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);
507 DIE(aTHX_ PL_no_usym, "filehandle");
509 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
511 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
512 /* Method's args are same as ours ... */
513 /* ... except handle is replaced by the object */
514 *MARK-- = SvTIED_obj((SV*)gv, mg);
518 call_method("OPEN", G_SCALAR);
531 tmps = SvPV(sv, len);
532 ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, MARK+1, (SP-MARK));
535 PUSHi( (I32)PL_forkprocess );
536 else if (PL_forkprocess == 0) /* we are a new child */
554 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
556 XPUSHs(SvTIED_obj((SV*)gv, mg));
559 call_method("CLOSE", G_SCALAR);
565 PUSHs(boolSV(do_close(gv, TRUE)));
585 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
586 DIE(aTHX_ PL_no_usym, "filehandle");
591 do_close(rgv, FALSE);
593 do_close(wgv, FALSE);
595 if (PerlProc_pipe(fd) < 0)
598 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
599 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
600 IoIFP(wstio) = IoOFP(wstio);
601 IoTYPE(rstio) = IoTYPE_RDONLY;
602 IoTYPE(wstio) = IoTYPE_WRONLY;
604 if (!IoIFP(rstio) || !IoOFP(wstio)) {
605 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
606 else PerlLIO_close(fd[0]);
607 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
608 else PerlLIO_close(fd[1]);
611 #if defined(HAS_FCNTL) && defined(F_SETFD)
612 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
613 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
620 DIE(aTHX_ PL_no_func, "pipe");
636 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
638 XPUSHs(SvTIED_obj((SV*)gv, mg));
641 call_method("FILENO", G_SCALAR);
647 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io))) {
648 /* Can't do this because people seem to do things like
649 defined(fileno($foo)) to check whether $foo is a valid fh.
650 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
651 report_evil_fh(gv, io, PL_op->op_type);
656 PUSHi(PerlIO_fileno(fp));
667 anum = PerlLIO_umask(0);
668 (void)PerlLIO_umask(anum);
671 anum = PerlLIO_umask(POPi);
672 TAINT_PROPER("umask");
675 /* Only DIE if trying to restrict permissions on `user' (self).
676 * Otherwise it's harmless and more useful to just return undef
677 * since 'group' and 'other' concepts probably don't exist here. */
678 if (MAXARG >= 1 && (POPi & 0700))
679 DIE(aTHX_ "umask not implemented");
680 XPUSHs(&PL_sv_undef);
704 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
706 XPUSHs(SvTIED_obj((SV*)gv, mg));
711 call_method("BINMODE", G_SCALAR);
718 if (!(io = GvIO(gv)) || !(fp = IoIFP(io))) {
719 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
720 report_evil_fh(gv, io, PL_op->op_type);
725 names = SvPV(discp,len);
728 if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp),
729 (discp) ? SvPV_nolen(discp) : Nullch))
743 I32 markoff = MARK - PL_stack_base;
750 switch(SvTYPE(varsv)) {
752 methname = "TIEHASH";
755 methname = "TIEARRAY";
758 #ifdef GV_SHARED_CHECK
759 if (GvSHARED((GV*)varsv)) {
760 Perl_croak(aTHX_ "Attempt to tie shared GV");
763 methname = "TIEHANDLE";
767 methname = "TIESCALAR";
772 if (sv_isobject(*MARK)) {
774 PUSHSTACKi(PERLSI_MAGIC);
780 call_method(methname, G_SCALAR);
783 /* Not clear why we don't call call_method here too.
784 * perhaps to get different error message ?
786 stash = gv_stashsv(*MARK, FALSE);
787 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
788 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
789 methname, SvPV(*MARK,n_a));
792 PUSHSTACKi(PERLSI_MAGIC);
798 call_sv((SV*)GvCV(gv), G_SCALAR);
804 if (sv_isobject(sv)) {
805 sv_unmagic(varsv, how);
806 /* Croak if a self-tie on an aggregate is attempted. */
807 if (varsv == SvRV(sv) &&
808 (SvTYPE(sv) == SVt_PVAV ||
809 SvTYPE(sv) == SVt_PVHV))
811 "Self-ties of arrays and hashes are not supported");
812 sv_magic(varsv, sv, how, Nullch, 0);
815 SP = PL_stack_base + markoff;
824 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
827 if ((mg = SvTIED_mg(sv, how))) {
828 SV *obj = SvRV(mg->mg_obj);
831 if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
832 isGV(gv) && (cv = GvCV(gv))) {
834 XPUSHs(SvTIED_obj((SV*)gv, mg));
835 XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
838 call_sv((SV *)cv, G_VOID);
842 else if (ckWARN(WARN_UNTIE)) {
843 if (mg && SvREFCNT(obj) > 1)
844 Perl_warner(aTHX_ WARN_UNTIE,
845 "untie attempted while %"UVuf" inner references still exist",
846 (UV)SvREFCNT(obj) - 1 ) ;
857 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
860 if ((mg = SvTIED_mg(sv, how))) {
861 SV *osv = SvTIED_obj(sv, mg);
862 if (osv == mg->mg_obj)
863 osv = sv_mortalcopy(osv);
881 sv = sv_mortalcopy(&PL_sv_no);
882 sv_setpv(sv, "AnyDBM_File");
883 stash = gv_stashsv(sv, FALSE);
884 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
886 require_pv("AnyDBM_File.pm");
888 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
889 DIE(aTHX_ "No dbm on this machine");
899 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
901 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
904 call_sv((SV*)GvCV(gv), G_SCALAR);
907 if (!sv_isobject(TOPs)) {
912 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
915 call_sv((SV*)GvCV(gv), G_SCALAR);
919 if (sv_isobject(TOPs)) {
920 sv_unmagic((SV *) hv, 'P');
921 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
943 struct timeval timebuf;
944 struct timeval *tbuf = &timebuf;
948 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
953 # if BYTEORDER & 0xf0000
954 # define ORDERBYTE (0x88888888 - BYTEORDER)
956 # define ORDERBYTE (0x4444 - BYTEORDER)
962 for (i = 1; i <= 3; i++) {
970 /* little endians can use vecs directly */
971 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
972 # if SELECT_MIN_BITS > 1
973 /* If SELECT_MIN_BITS is greater than one we most probably will want
974 * to align the sizes with SELECT_MIN_BITS/8 because for example
975 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
976 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
977 * on (sets/tests/clears bits) is 32 bits. */
978 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
980 growsize = sizeof(fd_set);
989 masksize = NFDBITS / NBBY;
991 masksize = sizeof(long); /* documented int, everyone seems to use long */
993 growsize = maxlen + (masksize - (maxlen % masksize));
994 Zero(&fd_sets[0], 4, char*);
1002 timebuf.tv_sec = (long)value;
1003 value -= (NV)timebuf.tv_sec;
1004 timebuf.tv_usec = (long)(value * 1000000.0);
1007 tbuf = Null(struct timeval*);
1009 for (i = 1; i <= 3; i++) {
1015 else if (!SvPOK(sv))
1016 SvPV_force(sv,n_a); /* force string conversion */
1019 Sv_Grow(sv, growsize);
1023 while (++j <= growsize) {
1027 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1029 New(403, fd_sets[i], growsize, char);
1030 for (offset = 0; offset < growsize; offset += masksize) {
1031 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1032 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1035 fd_sets[i] = SvPVX(sv);
1039 nfound = PerlSock_select(
1041 (Select_fd_set_t) fd_sets[1],
1042 (Select_fd_set_t) fd_sets[2],
1043 (Select_fd_set_t) fd_sets[3],
1045 for (i = 1; i <= 3; i++) {
1048 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1050 for (offset = 0; offset < growsize; offset += masksize) {
1051 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1052 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1054 Safefree(fd_sets[i]);
1061 if (GIMME == G_ARRAY && tbuf) {
1062 value = (NV)(timebuf.tv_sec) +
1063 (NV)(timebuf.tv_usec) / 1000000.0;
1064 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1065 sv_setnv(sv, value);
1069 DIE(aTHX_ "select not implemented");
1074 Perl_setdefout(pTHX_ GV *gv)
1077 (void)SvREFCNT_inc(gv);
1079 SvREFCNT_dec(PL_defoutgv);
1086 GV *newdefout, *egv;
1089 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1091 egv = GvEGV(PL_defoutgv);
1096 XPUSHs(&PL_sv_undef);
1098 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1099 if (gvp && *gvp == egv) {
1100 gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
1104 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1109 if (!GvIO(newdefout))
1110 gv_IOadd(newdefout);
1111 setdefout(newdefout);
1128 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1129 I32 gimme = GIMME_V;
1131 XPUSHs(SvTIED_obj((SV*)gv, mg));
1134 call_method("GETC", gimme);
1137 if (gimme == G_SCALAR)
1138 SvSetMagicSV_nosteal(TARG, TOPs);
1141 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1144 sv_setpv(TARG, " ");
1145 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1146 if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) {
1147 /* Find out how many bytes the char needs */
1148 Size_t len = UTF8SKIP(SvPVX(TARG));
1151 len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1);
1152 SvCUR_set(TARG,1+len);
1162 return pp_sysread();
1166 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1168 register PERL_CONTEXT *cx;
1169 I32 gimme = GIMME_V;
1170 AV* padlist = CvPADLIST(cv);
1171 SV** svp = AvARRAY(padlist);
1177 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1179 SAVEVPTR(PL_curpad);
1180 PL_curpad = AvARRAY((AV*)svp[1]);
1182 setdefout(gv); /* locally select filehandle so $% et al work */
1215 SV *tmpsv = sv_newmortal();
1216 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1217 name = SvPV_nolen(tmpsv);
1220 DIE(aTHX_ "Undefined format \"%s\" called", name);
1221 DIE(aTHX_ "Not a format reference");
1224 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1226 IoFLAGS(io) &= ~IOf_DIDTOP;
1227 return doform(cv,gv,PL_op->op_next);
1233 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1234 register IO *io = GvIOp(gv);
1235 PerlIO *ofp = IoOFP(io);
1239 register PERL_CONTEXT *cx;
1241 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1242 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1245 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1246 PL_formtarget != PL_toptarget)
1250 if (!IoTOP_GV(io)) {
1254 if (!IoTOP_NAME(io)) {
1255 if (!IoFMT_NAME(io))
1256 IoFMT_NAME(io) = savepv(GvNAME(gv));
1257 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1258 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1259 if ((topgv && GvFORM(topgv)) ||
1260 !gv_fetchpv("top",FALSE,SVt_PVFM))
1261 IoTOP_NAME(io) = savepv(SvPVX(topname));
1263 IoTOP_NAME(io) = savepv("top");
1265 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1266 if (!topgv || !GvFORM(topgv)) {
1267 IoLINES_LEFT(io) = 100000000;
1270 IoTOP_GV(io) = topgv;
1272 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1273 I32 lines = IoLINES_LEFT(io);
1274 char *s = SvPVX(PL_formtarget);
1275 if (lines <= 0) /* Yow, header didn't even fit!!! */
1277 while (lines-- > 0) {
1278 s = strchr(s, '\n');
1284 STRLEN save = SvCUR(PL_formtarget);
1285 SvCUR_set(PL_formtarget, s - SvPVX(PL_formtarget));
1286 do_print(PL_formtarget, ofp);
1287 SvCUR_set(PL_formtarget, save);
1288 sv_chop(PL_formtarget, s);
1289 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1292 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1293 do_print(PL_formfeed, ofp);
1294 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1296 PL_formtarget = PL_toptarget;
1297 IoFLAGS(io) |= IOf_DIDTOP;
1300 DIE(aTHX_ "bad top format reference");
1305 SV *sv = sv_newmortal();
1306 gv_efullname4(sv, fgv, Nullch, FALSE);
1307 name = SvPV_nolen(sv);
1310 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1313 DIE(aTHX_ "Undefined top format called");
1317 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1318 return doform(cv,gv,PL_op);
1322 POPBLOCK(cx,PL_curpm);
1328 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1330 /* integrate with report_evil_fh()? */
1333 SV* sv = sv_newmortal();
1334 gv_efullname4(sv, gv, Nullch, FALSE);
1335 name = SvPV_nolen(sv);
1338 Perl_warner(aTHX_ WARN_IO,
1339 "Filehandle %s opened only for input", name);
1341 Perl_warner(aTHX_ WARN_IO,
1342 "Filehandle opened only for input");
1344 else if (ckWARN(WARN_CLOSED))
1345 report_evil_fh(gv, io, PL_op->op_type);
1350 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1351 if (ckWARN(WARN_IO))
1352 Perl_warner(aTHX_ WARN_IO, "page overflow");
1354 if (!do_print(PL_formtarget, fp))
1357 FmLINES(PL_formtarget) = 0;
1358 SvCUR_set(PL_formtarget, 0);
1359 *SvEND(PL_formtarget) = '\0';
1360 if (IoFLAGS(io) & IOf_FLUSH)
1361 (void)PerlIO_flush(fp);
1366 PL_formtarget = PL_bodytarget;
1368 return pop_return();
1373 djSP; dMARK; dORIGMARK;
1380 if (PL_op->op_flags & OPf_STACKED)
1385 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1386 if (MARK == ORIGMARK) {
1389 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1393 *MARK = SvTIED_obj((SV*)gv, mg);
1396 call_method("PRINTF", G_SCALAR);
1399 MARK = ORIGMARK + 1;
1406 if (!(io = GvIO(gv))) {
1407 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1408 report_evil_fh(gv, io, PL_op->op_type);
1409 SETERRNO(EBADF,RMS$_IFI);
1412 else if (!(fp = IoOFP(io))) {
1413 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1414 /* integrate with report_evil_fh()? */
1418 gv_efullname4(sv, gv, Nullch, FALSE);
1419 name = SvPV_nolen(sv);
1422 Perl_warner(aTHX_ WARN_IO,
1423 "Filehandle %s opened only for input", name);
1425 Perl_warner(aTHX_ WARN_IO,
1426 "Filehandle opened only for input");
1428 else if (ckWARN(WARN_CLOSED))
1429 report_evil_fh(gv, io, PL_op->op_type);
1431 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1435 do_sprintf(sv, SP - MARK, MARK + 1);
1436 if (!do_print(sv, fp))
1439 if (IoFLAGS(io) & IOf_FLUSH)
1440 if (PerlIO_flush(fp) == EOF)
1451 PUSHs(&PL_sv_undef);
1472 /* Need TIEHANDLE method ? */
1474 tmps = SvPV(sv, len);
1475 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1476 IoLINES(GvIOp(gv)) = 0;
1480 PUSHs(&PL_sv_undef);
1487 djSP; dMARK; dORIGMARK; dTARGET;
1494 Sock_size_t bufsize;
1503 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1504 (mg = SvTIED_mg((SV*)gv, 'q')))
1509 *MARK = SvTIED_obj((SV*)gv, mg);
1511 call_method("READ", G_SCALAR);
1524 sv_setpvn(bufsv, "", 0);
1525 length = SvIVx(*++MARK);
1528 offset = SvIVx(*++MARK);
1532 if (!io || !IoIFP(io))
1534 if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTE) {
1535 buffer = SvPVutf8_force(bufsv, blen);
1536 /* UTF8 may not have been set if they are all low bytes */
1540 buffer = SvPV_force(bufsv, blen);
1543 DIE(aTHX_ "Negative length");
1547 if (PL_op->op_type == OP_RECV) {
1548 char namebuf[MAXPATHLEN];
1549 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1550 bufsize = sizeof (struct sockaddr_in);
1552 bufsize = sizeof namebuf;
1554 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1558 buffer = SvGROW(bufsv, length+1);
1559 /* 'offset' means 'flags' here */
1560 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1561 (struct sockaddr *)namebuf, &bufsize);
1564 SvCUR_set(bufsv, count);
1565 *SvEND(bufsv) = '\0';
1566 (void)SvPOK_only(bufsv);
1570 /* This should not be marked tainted if the fp is marked clean */
1571 if (!(IoFLAGS(io) & IOf_UNTAINT))
1572 SvTAINTED_on(bufsv);
1574 sv_setpvn(TARG, namebuf, bufsize);
1579 if (PL_op->op_type == OP_RECV)
1580 DIE(aTHX_ PL_no_sock_func, "recv");
1582 if (DO_UTF8(bufsv)) {
1583 /* offset adjust in characters not bytes */
1584 blen = sv_len_utf8(bufsv);
1588 DIE(aTHX_ "Offset outside string");
1591 if (DO_UTF8(bufsv)) {
1592 /* convert offset-as-chars to offset-as-bytes */
1593 offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer;
1596 bufsize = SvCUR(bufsv);
1597 buffer = SvGROW(bufsv, length+offset+1);
1598 if (offset > bufsize) { /* Zero any newly allocated space */
1599 Zero(buffer+bufsize, offset-bufsize, char);
1601 buffer = buffer + offset;
1603 if (PL_op->op_type == OP_SYSREAD) {
1604 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1605 if (IoTYPE(io) == IoTYPE_SOCKET) {
1606 count = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1612 count = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1617 #ifdef HAS_SOCKET__bad_code_maybe
1618 if (IoTYPE(io) == IoTYPE_SOCKET) {
1619 char namebuf[MAXPATHLEN];
1620 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1621 bufsize = sizeof (struct sockaddr_in);
1623 bufsize = sizeof namebuf;
1625 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0,
1626 (struct sockaddr *)namebuf, &bufsize);
1631 count = PerlIO_read(IoIFP(io), buffer, length);
1632 /* PerlIO_read() - like fread() returns 0 on both error and EOF */
1633 if (count == 0 && PerlIO_error(IoIFP(io)))
1637 if ((IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout()
1638 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1640 /* integrate with report_evil_fh()? */
1643 SV* sv = sv_newmortal();
1644 gv_efullname4(sv, gv, Nullch, FALSE);
1645 name = SvPV_nolen(sv);
1648 Perl_warner(aTHX_ WARN_IO,
1649 "Filehandle %s opened only for output", name);
1651 Perl_warner(aTHX_ WARN_IO,
1652 "Filehandle opened only for output");
1656 SvCUR_set(bufsv, count+(buffer - SvPVX(bufsv)));
1657 *SvEND(bufsv) = '\0';
1658 (void)SvPOK_only(bufsv);
1659 if (fp_utf8 && !IN_BYTE) {
1660 /* Look at utf8 we got back and count the characters */
1661 char *bend = buffer + count;
1662 while (buffer < bend) {
1663 STRLEN skip = UTF8SKIP(buffer);
1664 if (buffer+skip > bend) {
1665 /* partial character - try for rest of it */
1666 length = skip - (bend-buffer);
1667 offset = bend - SvPVX(bufsv);
1675 /* If we have not 'got' the number of _characters_ we 'wanted' get some more
1676 provided amount read (count) was what was requested (length)
1678 if (got < wanted && count == length) {
1679 length = (wanted-got);
1680 offset = bend - SvPVX(bufsv);
1683 /* return value is character count */
1688 /* This should not be marked tainted if the fp is marked clean */
1689 if (!(IoFLAGS(io) & IOf_UNTAINT))
1690 SvTAINTED_on(bufsv);
1703 int items = (SP - PL_stack_base) - TOPMARK;
1707 sv = sv_2mortal(newSViv(sv_len(*SP)));
1716 djSP; dMARK; dORIGMARK; dTARGET;
1727 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1731 *MARK = SvTIED_obj((SV*)gv, mg);
1733 call_method("WRITE", G_SCALAR);
1744 #if Size_t_size > IVSIZE
1745 length = (Size_t)SvNVx(*++MARK);
1747 length = (Size_t)SvIVx(*++MARK);
1749 if ((SSize_t)length < 0)
1750 DIE(aTHX_ "Negative length");
1753 if (!io || !IoIFP(io)) {
1755 if (ckWARN(WARN_CLOSED))
1756 report_evil_fh(gv, io, PL_op->op_type);
1760 if (PerlIO_isutf8(IoIFP(io))) {
1761 buffer = SvPVutf8(bufsv, blen);
1765 sv_utf8_downgrade(bufsv, FALSE);
1766 buffer = SvPV(bufsv, blen);
1769 if (PL_op->op_type == OP_SYSWRITE) {
1771 if (DO_UTF8(bufsv)) {
1772 /* length and offset are in chars */
1773 blen = sv_len_utf8(bufsv);
1776 offset = SvIVx(*++MARK);
1779 DIE(aTHX_ "Offset outside string");
1781 } else if (offset >= blen && blen > 0)
1782 DIE(aTHX_ "Offset outside string");
1785 if (length > blen - offset)
1786 length = blen - offset;
1787 if (DO_UTF8(bufsv)) {
1788 buffer = (char*)utf8_hop((U8 *)buffer, offset);
1789 length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer;
1792 buffer = buffer+offset;
1794 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1795 if (IoTYPE(io) == IoTYPE_SOCKET) {
1796 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1802 /* See the note at doio.c:do_print about filesize limits. --jhi */
1803 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1808 else if (SP > MARK) {
1811 sockbuf = SvPVx(*++MARK, mlen);
1812 /* length is really flags */
1813 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1814 length, (struct sockaddr *)sockbuf, mlen);
1817 /* length is really flags */
1818 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1821 DIE(aTHX_ PL_no_sock_func, "send");
1826 #if Size_t_size > IVSIZE
1840 return pp_sysread();
1850 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1852 gv = PL_last_in_gv = PL_argvgv;
1854 if (io && !IoIFP(io)) {
1855 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1857 IoFLAGS(io) &= ~IOf_START;
1858 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1859 sv_setpvn(GvSV(gv), "-", 1);
1860 SvSETMAGIC(GvSV(gv));
1862 else if (!nextargv(gv))
1867 gv = PL_last_in_gv; /* eof */
1870 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1872 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1874 XPUSHs(SvTIED_obj((SV*)gv, mg));
1877 call_method("EOF", G_SCALAR);
1883 PUSHs(boolSV(!gv || do_eof(gv)));
1896 gv = PL_last_in_gv = (GV*)POPs;
1898 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1900 XPUSHs(SvTIED_obj((SV*)gv, mg));
1903 call_method("TELL", G_SCALAR);
1909 #if LSEEKSIZE > IVSIZE
1910 PUSHn( do_tell(gv) );
1912 PUSHi( do_tell(gv) );
1919 return pp_sysseek();
1927 #if LSEEKSIZE > IVSIZE
1928 Off_t offset = (Off_t)SvNVx(POPs);
1930 Off_t offset = (Off_t)SvIVx(POPs);
1934 gv = PL_last_in_gv = (GV*)POPs;
1936 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1938 XPUSHs(SvTIED_obj((SV*)gv, mg));
1939 #if LSEEKSIZE > IVSIZE
1940 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1942 XPUSHs(sv_2mortal(newSViv(offset)));
1944 XPUSHs(sv_2mortal(newSViv(whence)));
1947 call_method("SEEK", G_SCALAR);
1953 if (PL_op->op_type == OP_SEEK)
1954 PUSHs(boolSV(do_seek(gv, offset, whence)));
1956 Off_t sought = do_sysseek(gv, offset, whence);
1958 PUSHs(&PL_sv_undef);
1961 #if LSEEKSIZE > IVSIZE
1966 : newSVpvn(zero_but_true, ZBTLEN);
1967 PUSHs(sv_2mortal(sv));
1976 /* There seems to be no consensus on the length type of truncate()
1977 * and ftruncate(), both off_t and size_t have supporters. In
1978 * general one would think that when using large files, off_t is
1979 * at least as wide as size_t, so using an off_t should be okay. */
1980 /* XXX Configure probe for the length type of *truncate() needed XXX */
1986 #if Size_t_size > IVSIZE
1991 /* Checking for length < 0 is problematic as the type might or
1992 * might not be signed: if it is not, clever compilers will moan. */
1993 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1995 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1996 if (PL_op->op_flags & OPf_SPECIAL) {
1997 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1999 TAINT_PROPER("truncate");
2000 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
2003 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
2005 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
2007 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
2017 if (SvTYPE(sv) == SVt_PVGV) {
2018 tmpgv = (GV*)sv; /* *main::FRED for example */
2021 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2022 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
2026 name = SvPV(sv, n_a);
2027 TAINT_PROPER("truncate");
2029 if (truncate(name, len) < 0)
2034 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
2037 if (my_chsize(tmpfd, len) < 0)
2039 PerlLIO_close(tmpfd);
2048 SETERRNO(EBADF,RMS$_IFI);
2051 DIE(aTHX_ "truncate not implemented");
2064 unsigned int func = U_I(POPn);
2065 int optype = PL_op->op_type;
2069 IO *io = gv ? GvIOn(gv) : 0;
2071 if (!io || !argsv || !IoIFP(io)) {
2072 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2073 report_evil_fh(gv, io, PL_op->op_type);
2074 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
2078 if (SvPOK(argsv) || !SvNIOK(argsv)) {
2081 s = SvPV_force(argsv, len);
2082 need = IOCPARM_LEN(func);
2084 s = Sv_Grow(argsv, need + 1);
2085 SvCUR_set(argsv, need);
2088 s[SvCUR(argsv)] = 17; /* a little sanity check here */
2091 retval = SvIV(argsv);
2092 s = INT2PTR(char*,retval); /* ouch */
2095 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
2097 if (optype == OP_IOCTL)
2099 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
2101 DIE(aTHX_ "ioctl is not implemented");
2105 #if defined(OS2) && defined(__EMX__)
2106 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
2108 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2111 DIE(aTHX_ "fcntl is not implemented");
2115 if (s[SvCUR(argsv)] != 17)
2116 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2117 PL_op_name[optype]);
2118 s[SvCUR(argsv)] = 0; /* put our null back */
2119 SvSETMAGIC(argsv); /* Assume it has changed */
2128 PUSHp(zero_but_true, ZBTLEN);
2148 if (gv && (io = GvIO(gv)))
2155 (void)PerlIO_flush(fp);
2156 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2159 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2160 report_evil_fh(gv, io, PL_op->op_type);
2162 SETERRNO(EBADF,RMS$_IFI);
2167 DIE(aTHX_ PL_no_func, "flock()");
2179 int protocol = POPi;
2185 io = gv ? GvIOn(gv) : NULL;
2188 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2189 report_evil_fh(gv, io, PL_op->op_type);
2191 do_close(gv, FALSE);
2192 SETERRNO(EBADF,LIB$_INVARG);
2196 TAINT_PROPER("socket");
2197 fd = PerlSock_socket(domain, type, protocol);
2200 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2201 IoOFP(io) = PerlIO_fdopen(fd, "w");
2202 IoTYPE(io) = IoTYPE_SOCKET;
2203 if (!IoIFP(io) || !IoOFP(io)) {
2204 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2205 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2206 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2209 #if defined(HAS_FCNTL) && defined(F_SETFD)
2210 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2214 setbuf( IoIFP(io), NULL); /* EPOC gets confused about sockets */
2219 DIE(aTHX_ PL_no_sock_func, "socket");
2226 #ifdef HAS_SOCKETPAIR
2231 int protocol = POPi;
2238 io1 = gv1 ? GvIOn(gv1) : NULL;
2239 io2 = gv2 ? GvIOn(gv2) : NULL;
2240 if (!gv1 || !gv2 || !io1 || !io2) {
2241 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
2243 report_evil_fh(gv1, io1, PL_op->op_type);
2245 report_evil_fh(gv1, io2, PL_op->op_type);
2248 do_close(gv1, FALSE);
2250 do_close(gv2, FALSE);
2254 TAINT_PROPER("socketpair");
2255 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2257 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2258 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2259 IoTYPE(io1) = IoTYPE_SOCKET;
2260 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2261 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2262 IoTYPE(io2) = IoTYPE_SOCKET;
2263 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2264 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2265 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2266 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2267 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2268 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2269 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2272 #if defined(HAS_FCNTL) && defined(F_SETFD)
2273 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2274 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2279 DIE(aTHX_ PL_no_sock_func, "socketpair");
2287 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2288 extern GETPRIVMODE();
2289 extern GETUSERMODE();
2294 register IO *io = GvIOn(gv);
2298 int mpeprivmode = 0;
2301 if (!io || !IoIFP(io))
2304 addr = SvPV(addrsv, len);
2305 TAINT_PROPER("bind");
2306 #ifdef MPE /* Deal with MPE bind() peculiarities */
2307 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2308 /* The address *MUST* stupidly be zero. */
2309 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2310 /* PRIV mode is required to bind() to ports < 1024. */
2311 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2312 ((struct sockaddr_in *)addr)->sin_port > 0) {
2313 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2318 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2319 (struct sockaddr *)addr, len) >= 0)
2322 #ifdef MPE /* Switch back to USER mode */
2333 if (ckWARN(WARN_CLOSED))
2334 report_evil_fh(gv, io, PL_op->op_type);
2335 SETERRNO(EBADF,SS$_IVCHAN);
2338 DIE(aTHX_ PL_no_sock_func, "bind");
2349 register IO *io = GvIOn(gv);
2352 if (!io || !IoIFP(io))
2355 addr = SvPV(addrsv, len);
2356 TAINT_PROPER("connect");
2357 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2363 if (ckWARN(WARN_CLOSED))
2364 report_evil_fh(gv, io, PL_op->op_type);
2365 SETERRNO(EBADF,SS$_IVCHAN);
2368 DIE(aTHX_ PL_no_sock_func, "connect");
2378 register IO *io = gv ? GvIOn(gv) : NULL;
2380 if (!gv || !io || !IoIFP(io))
2383 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2389 if (ckWARN(WARN_CLOSED))
2390 report_evil_fh(gv, io, PL_op->op_type);
2391 SETERRNO(EBADF,SS$_IVCHAN);
2394 DIE(aTHX_ PL_no_sock_func, "listen");
2406 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2407 Sock_size_t len = sizeof saddr;
2419 if (!gstio || !IoIFP(gstio))
2424 do_close(ngv, FALSE);
2426 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2429 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2430 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2431 IoTYPE(nstio) = IoTYPE_SOCKET;
2432 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2433 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2434 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2435 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2438 #if defined(HAS_FCNTL) && defined(F_SETFD)
2439 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2443 len = sizeof saddr; /* EPOC somehow truncates info */
2446 PUSHp((char *)&saddr, len);
2450 if (ckWARN(WARN_CLOSED))
2451 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2452 SETERRNO(EBADF,SS$_IVCHAN);
2458 DIE(aTHX_ PL_no_sock_func, "accept");
2468 register IO *io = GvIOn(gv);
2470 if (!io || !IoIFP(io))
2473 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2477 if (ckWARN(WARN_CLOSED))
2478 report_evil_fh(gv, io, PL_op->op_type);
2479 SETERRNO(EBADF,SS$_IVCHAN);
2482 DIE(aTHX_ PL_no_sock_func, "shutdown");
2489 return pp_ssockopt();
2491 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2499 int optype = PL_op->op_type;
2502 unsigned int optname;
2508 if (optype == OP_GSOCKOPT)
2509 sv = sv_2mortal(NEWSV(22, 257));
2512 optname = (unsigned int) POPi;
2513 lvl = (unsigned int) POPi;
2517 if (!io || !IoIFP(io))
2520 fd = PerlIO_fileno(IoIFP(io));
2524 (void)SvPOK_only(sv);
2528 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2543 aint = (int)SvIV(sv);
2547 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2556 if (ckWARN(WARN_CLOSED))
2557 report_evil_fh(gv, io, optype);
2558 SETERRNO(EBADF,SS$_IVCHAN);
2563 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2570 return pp_getpeername();
2572 DIE(aTHX_ PL_no_sock_func, "getsockname");
2580 int optype = PL_op->op_type;
2584 register IO *io = GvIOn(gv);
2587 if (!io || !IoIFP(io))
2590 sv = sv_2mortal(NEWSV(22, 257));
2591 (void)SvPOK_only(sv);
2595 fd = PerlIO_fileno(IoIFP(io));
2597 case OP_GETSOCKNAME:
2598 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2601 case OP_GETPEERNAME:
2602 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2604 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2606 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";
2607 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2608 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2609 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2610 sizeof(u_short) + sizeof(struct in_addr))) {
2617 #ifdef BOGUS_GETNAME_RETURN
2618 /* Interactive Unix, getpeername() and getsockname()
2619 does not return valid namelen */
2620 if (len == BOGUS_GETNAME_RETURN)
2621 len = sizeof(struct sockaddr);
2629 if (ckWARN(WARN_CLOSED))
2630 report_evil_fh(gv, io, optype);
2631 SETERRNO(EBADF,SS$_IVCHAN);
2636 DIE(aTHX_ PL_no_sock_func, "getpeername");
2655 if (PL_op->op_flags & OPf_REF) {
2657 if (PL_op->op_type == OP_LSTAT) {
2658 if (PL_laststype != OP_LSTAT)
2659 Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
2660 if (ckWARN(WARN_IO) && gv != PL_defgv)
2661 Perl_warner(aTHX_ WARN_IO,
2662 "lstat() on filehandle %s", GvENAME(gv));
2663 /* Perl_my_lstat (-l) croak's on filehandle, why warn here? */
2667 if (gv != PL_defgv) {
2668 PL_laststype = OP_STAT;
2670 sv_setpv(PL_statname, "");
2671 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2672 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2674 if (PL_laststatval < 0) {
2675 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2676 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2682 if (SvTYPE(sv) == SVt_PVGV) {
2686 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2690 sv_setpv(PL_statname, SvPV(sv,n_a));
2693 PL_laststype = PL_op->op_type;
2694 if (PL_op->op_type == OP_LSTAT)
2695 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2698 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2699 if (PL_laststatval < 0) {
2700 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2701 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2707 if (gimme != G_ARRAY) {
2708 if (gimme != G_VOID)
2709 XPUSHs(boolSV(max));
2715 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2716 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2717 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2718 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2719 #if Uid_t_size > IVSIZE
2720 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2722 # if Uid_t_sign <= 0
2723 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2725 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2728 #if Gid_t_size > IVSIZE
2729 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2731 # if Gid_t_sign <= 0
2732 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2734 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2737 #ifdef USE_STAT_RDEV
2738 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2740 PUSHs(sv_2mortal(newSVpvn("", 0)));
2742 #if Off_t_size > IVSIZE
2743 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2745 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2748 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2749 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2750 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2752 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2753 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2754 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2756 #ifdef USE_STAT_BLOCKS
2757 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2758 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2760 PUSHs(sv_2mortal(newSVpvn("", 0)));
2761 PUSHs(sv_2mortal(newSVpvn("", 0)));
2771 #if defined(HAS_ACCESS) && defined(R_OK)
2773 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2774 result = access(TOPpx, R_OK);
2789 if (cando(S_IRUSR, 0, &PL_statcache))
2798 #if defined(HAS_ACCESS) && defined(W_OK)
2800 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2801 result = access(TOPpx, W_OK);
2816 if (cando(S_IWUSR, 0, &PL_statcache))
2825 #if defined(HAS_ACCESS) && defined(X_OK)
2827 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2828 result = access(TOPpx, X_OK);
2843 if (cando(S_IXUSR, 0, &PL_statcache))
2852 #ifdef PERL_EFF_ACCESS_R_OK
2854 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2855 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2870 if (cando(S_IRUSR, 1, &PL_statcache))
2879 #ifdef PERL_EFF_ACCESS_W_OK
2881 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2882 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2897 if (cando(S_IWUSR, 1, &PL_statcache))
2906 #ifdef PERL_EFF_ACCESS_X_OK
2908 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2909 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2924 if (cando(S_IXUSR, 1, &PL_statcache))
2931 I32 result = my_stat();
2940 return pp_ftrowned();
2945 I32 result = my_stat();
2949 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2957 I32 result = my_stat();
2961 if (PL_statcache.st_size == 0)
2968 I32 result = my_stat();
2972 #if Off_t_size > IVSIZE
2973 PUSHn(PL_statcache.st_size);
2975 PUSHi(PL_statcache.st_size);
2982 I32 result = my_stat();
2986 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2992 I32 result = my_stat();
2996 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
3002 I32 result = my_stat();
3006 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
3012 I32 result = my_stat();
3016 if (S_ISSOCK(PL_statcache.st_mode))
3023 I32 result = my_stat();
3027 if (S_ISCHR(PL_statcache.st_mode))
3034 I32 result = my_stat();
3038 if (S_ISBLK(PL_statcache.st_mode))
3045 I32 result = my_stat();
3049 if (S_ISREG(PL_statcache.st_mode))
3056 I32 result = my_stat();
3060 if (S_ISDIR(PL_statcache.st_mode))
3067 I32 result = my_stat();
3071 if (S_ISFIFO(PL_statcache.st_mode))
3078 I32 result = my_lstat();
3082 if (S_ISLNK(PL_statcache.st_mode))
3091 I32 result = my_stat();
3095 if (PL_statcache.st_mode & S_ISUID)
3105 I32 result = my_stat();
3109 if (PL_statcache.st_mode & S_ISGID)
3119 I32 result = my_stat();
3123 if (PL_statcache.st_mode & S_ISVTX)
3134 char *tmps = Nullch;
3137 if (PL_op->op_flags & OPf_REF)
3139 else if (isGV(TOPs))
3141 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3142 gv = (GV*)SvRV(POPs);
3144 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3146 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3147 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3148 else if (tmps && isDIGIT(*tmps))
3152 if (PerlLIO_isatty(fd))
3157 #if defined(atarist) /* this will work with atariST. Configure will
3158 make guesses for other systems. */
3159 # define FILE_base(f) ((f)->_base)
3160 # define FILE_ptr(f) ((f)->_ptr)
3161 # define FILE_cnt(f) ((f)->_cnt)
3162 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3172 register STDCHAR *s;
3179 if (PL_op->op_flags & OPf_REF)
3181 else if (isGV(TOPs))
3183 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3184 gv = (GV*)SvRV(POPs);
3190 if (gv == PL_defgv) {
3192 io = GvIO(PL_statgv);
3195 goto really_filename;
3200 PL_laststatval = -1;
3201 sv_setpv(PL_statname, "");
3202 io = GvIO(PL_statgv);
3204 if (io && IoIFP(io)) {
3205 if (! PerlIO_has_base(IoIFP(io)))
3206 DIE(aTHX_ "-T and -B not implemented on filehandles");
3207 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3208 if (PL_laststatval < 0)
3210 if (S_ISDIR(PL_statcache.st_mode)) { /* handle NFS glitch */
3211 if (PL_op->op_type == OP_FTTEXT)
3216 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3217 i = PerlIO_getc(IoIFP(io));
3219 (void)PerlIO_ungetc(IoIFP(io),i);
3221 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3223 len = PerlIO_get_bufsiz(IoIFP(io));
3224 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3225 /* sfio can have large buffers - limit to 512 */
3230 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3232 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3234 SETERRNO(EBADF,RMS$_IFI);
3242 PL_laststatval = -1;
3243 sv_setpv(PL_statname, SvPV(sv, n_a));
3244 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3245 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3246 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3249 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3250 if (PL_laststatval < 0) {
3251 (void)PerlIO_close(fp);
3254 PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch);
3255 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3256 (void)PerlIO_close(fp);
3258 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3259 RETPUSHNO; /* special case NFS directories */
3260 RETPUSHYES; /* null file is anything */
3265 /* now scan s to look for textiness */
3266 /* XXX ASCII dependent code */
3268 #if defined(DOSISH) || defined(USEMYBINMODE)
3269 /* ignore trailing ^Z on short files */
3270 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3274 for (i = 0; i < len; i++, s++) {
3275 if (!*s) { /* null never allowed in text */
3280 else if (!(isPRINT(*s) || isSPACE(*s)))
3283 else if (*s & 128) {
3285 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3288 /* utf8 characters don't count as odd */
3289 if (UTF8_IS_START(*s)) {
3290 int ulen = UTF8SKIP(s);
3291 if (ulen < len - i) {
3293 for (j = 1; j < ulen; j++) {
3294 if (!UTF8_IS_CONTINUATION(s[j]))
3297 --ulen; /* loop does extra increment */
3307 *s != '\n' && *s != '\r' && *s != '\b' &&
3308 *s != '\t' && *s != '\f' && *s != 27)
3313 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3337 if (!tmps || !*tmps) {
3338 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3340 tmps = SvPV(*svp, n_a);
3342 if (!tmps || !*tmps) {
3343 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3345 tmps = SvPV(*svp, n_a);
3348 if (!tmps || !*tmps) {
3349 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3351 tmps = SvPV(*svp, n_a);
3354 TAINT_PROPER("chdir");
3355 PUSHi( PerlDir_chdir(tmps) >= 0 );
3357 /* Clear the DEFAULT element of ENV so we'll get the new value
3359 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3366 djSP; dMARK; dTARGET;
3369 value = (I32)apply(PL_op->op_type, MARK, SP);
3374 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3385 TAINT_PROPER("chroot");
3386 PUSHi( chroot(tmps) >= 0 );
3389 DIE(aTHX_ PL_no_func, "chroot");
3395 djSP; dMARK; dTARGET;
3397 value = (I32)apply(PL_op->op_type, MARK, SP);
3405 djSP; dMARK; dTARGET;
3407 value = (I32)apply(PL_op->op_type, MARK, SP);
3415 djSP; dMARK; dTARGET;
3417 value = (I32)apply(PL_op->op_type, MARK, SP);
3429 char *tmps2 = POPpx;
3430 char *tmps = SvPV(TOPs, n_a);
3431 TAINT_PROPER("rename");
3433 anum = PerlLIO_rename(tmps, tmps2);
3435 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3436 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3439 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3440 (void)UNLINK(tmps2);
3441 if (!(anum = link(tmps, tmps2)))
3442 anum = UNLINK(tmps);
3455 char *tmps2 = POPpx;
3456 char *tmps = SvPV(TOPs, n_a);
3457 TAINT_PROPER("link");
3458 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3460 DIE(aTHX_ PL_no_func, "Unsupported function link");
3470 char *tmps2 = POPpx;
3471 char *tmps = SvPV(TOPs, n_a);
3472 TAINT_PROPER("symlink");
3473 SETi( symlink(tmps, tmps2) >= 0 );
3476 DIE(aTHX_ PL_no_func, "symlink");
3485 char buf[MAXPATHLEN];
3489 #ifndef INCOMPLETE_TAINTS
3493 len = readlink(tmps, buf, sizeof buf);
3501 RETSETUNDEF; /* just pretend it's a normal file */
3505 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3507 S_dooneliner(pTHX_ char *cmd, char *filename)
3509 char *save_filename = filename;
3515 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3516 strcpy(cmdline, cmd);
3517 strcat(cmdline, " ");
3518 for (s = cmdline + strlen(cmdline); *filename; ) {
3523 myfp = PerlProc_popen(cmdline, "r");
3527 SV *tmpsv = sv_newmortal();
3528 /* Need to save/restore 'PL_rs' ?? */
3529 s = sv_gets(tmpsv, myfp, 0);
3530 (void)PerlProc_pclose(myfp);
3534 #ifdef HAS_SYS_ERRLIST
3539 /* you don't see this */
3541 #ifdef HAS_SYS_ERRLIST
3549 if (instr(s, errmsg)) {
3556 #define EACCES EPERM
3558 if (instr(s, "cannot make"))
3559 SETERRNO(EEXIST,RMS$_FEX);
3560 else if (instr(s, "existing file"))
3561 SETERRNO(EEXIST,RMS$_FEX);
3562 else if (instr(s, "ile exists"))
3563 SETERRNO(EEXIST,RMS$_FEX);
3564 else if (instr(s, "non-exist"))
3565 SETERRNO(ENOENT,RMS$_FNF);
3566 else if (instr(s, "does not exist"))
3567 SETERRNO(ENOENT,RMS$_FNF);
3568 else if (instr(s, "not empty"))
3569 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3570 else if (instr(s, "cannot access"))
3571 SETERRNO(EACCES,RMS$_PRV);
3573 SETERRNO(EPERM,RMS$_PRV);
3576 else { /* some mkdirs return no failure indication */
3577 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3578 if (PL_op->op_type == OP_RMDIR)
3583 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3608 tmps = SvPV(TOPs, len);
3609 /* Different operating and file systems take differently to
3610 * trailing slashes. According to POSIX 1003.1 1996 Edition
3611 * any number of trailing slashes should be allowed.
3612 * Thusly we snip them away so that even non-conforming
3613 * systems are happy. */
3614 /* We should probably do this "filtering" for all
3615 * the functions that expect (potentially) directory names:
3616 * -d, chdir(), chmod(), chown(), chroot(), fcntl()?,
3617 * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */
3618 if (len > 1 && tmps[len-1] == '/') {
3619 while (tmps[len] == '/' && len > 1)
3621 tmps = savepvn(tmps, len);
3625 TAINT_PROPER("mkdir");
3627 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3629 SETi( dooneliner("mkdir", tmps) );
3630 oldumask = PerlLIO_umask(0);
3631 PerlLIO_umask(oldumask);
3632 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3646 TAINT_PROPER("rmdir");
3648 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3650 XPUSHi( dooneliner("rmdir", tmps) );
3655 /* Directory calls. */
3660 #if defined(Direntry_t) && defined(HAS_READDIR)
3662 char *dirname = POPpx;
3664 register IO *io = GvIOn(gv);
3670 PerlDir_close(IoDIRP(io));
3671 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3677 SETERRNO(EBADF,RMS$_DIR);
3680 DIE(aTHX_ PL_no_dir_func, "opendir");
3687 #if defined(Direntry_t) && defined(HAS_READDIR)
3689 Direntry_t *readdir (DIR *);
3691 register Direntry_t *dp;
3693 register IO *io = GvIOn(gv);
3696 if (!io || !IoDIRP(io))
3699 if (GIMME == G_ARRAY) {
3701 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3703 sv = newSVpvn(dp->d_name, dp->d_namlen);
3705 sv = newSVpv(dp->d_name, 0);
3707 #ifndef INCOMPLETE_TAINTS
3708 if (!(IoFLAGS(io) & IOf_UNTAINT))
3711 XPUSHs(sv_2mortal(sv));
3715 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3718 sv = newSVpvn(dp->d_name, dp->d_namlen);
3720 sv = newSVpv(dp->d_name, 0);
3722 #ifndef INCOMPLETE_TAINTS
3723 if (!(IoFLAGS(io) & IOf_UNTAINT))
3726 XPUSHs(sv_2mortal(sv));
3732 SETERRNO(EBADF,RMS$_ISI);
3733 if (GIMME == G_ARRAY)
3738 DIE(aTHX_ PL_no_dir_func, "readdir");
3745 #if defined(HAS_TELLDIR) || defined(telldir)
3746 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3747 /* XXX netbsd still seemed to.
3748 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3749 --JHI 1999-Feb-02 */
3750 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3751 long telldir (DIR *);
3754 register IO *io = GvIOn(gv);
3756 if (!io || !IoDIRP(io))
3759 PUSHi( PerlDir_tell(IoDIRP(io)) );
3763 SETERRNO(EBADF,RMS$_ISI);
3766 DIE(aTHX_ PL_no_dir_func, "telldir");
3773 #if defined(HAS_SEEKDIR) || defined(seekdir)
3776 register IO *io = GvIOn(gv);
3778 if (!io || !IoDIRP(io))
3781 (void)PerlDir_seek(IoDIRP(io), along);
3786 SETERRNO(EBADF,RMS$_ISI);
3789 DIE(aTHX_ PL_no_dir_func, "seekdir");
3796 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3798 register IO *io = GvIOn(gv);
3800 if (!io || !IoDIRP(io))
3803 (void)PerlDir_rewind(IoDIRP(io));
3807 SETERRNO(EBADF,RMS$_ISI);
3810 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3817 #if defined(Direntry_t) && defined(HAS_READDIR)
3819 register IO *io = GvIOn(gv);
3821 if (!io || !IoDIRP(io))
3824 #ifdef VOID_CLOSEDIR
3825 PerlDir_close(IoDIRP(io));
3827 if (PerlDir_close(IoDIRP(io)) < 0) {
3828 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3837 SETERRNO(EBADF,RMS$_IFI);
3840 DIE(aTHX_ PL_no_dir_func, "closedir");
3844 /* Process control. */
3854 PERL_FLUSHALL_FOR_CHILD;
3860 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3861 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3862 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3867 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3872 PERL_FLUSHALL_FOR_CHILD;
3873 childpid = PerlProc_fork();
3879 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3886 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3891 childpid = wait4pid(-1, &argflags, 0);
3892 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3893 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3894 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3896 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3901 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3907 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3915 childpid = wait4pid(childpid, &argflags, optype);
3916 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3917 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3918 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3920 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3925 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3931 djSP; dMARK; dORIGMARK; dTARGET;
3936 Sigsave_t ihand,qhand; /* place to save signals during system() */
3941 if (SP - MARK == 1) {
3943 char *junk = SvPV(TOPs, n_a);
3945 TAINT_PROPER("system");
3948 PERL_FLUSHALL_FOR_CHILD;
3949 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3950 if (PerlProc_pipe(pp) >= 0)
3952 while ((childpid = vfork()) == -1) {
3953 if (errno != EAGAIN) {
3958 PerlLIO_close(pp[0]);
3959 PerlLIO_close(pp[1]);
3967 PerlLIO_close(pp[1]);
3969 rsignal_save(SIGINT, SIG_IGN, &ihand);
3970 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3973 result = wait4pid(childpid, &status, 0);
3974 } while (result == -1 && errno == EINTR);
3976 (void)rsignal_restore(SIGINT, &ihand);
3977 (void)rsignal_restore(SIGQUIT, &qhand);
3979 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3980 do_execfree(); /* free any memory child malloced on vfork */
3986 while (n < sizeof(int)) {
3987 n1 = PerlLIO_read(pp[0],
3988 (void*)(((char*)&errkid)+n),
3994 PerlLIO_close(pp[0]);
3995 if (n) { /* Error */
3996 if (n != sizeof(int))
3997 DIE(aTHX_ "panic: kid popen errno read");
3998 errno = errkid; /* Propagate errno from kid */
3999 STATUS_CURRENT = -1;
4002 PUSHi(STATUS_CURRENT);
4006 PerlLIO_close(pp[0]);
4007 #if defined(HAS_FCNTL) && defined(F_SETFD)
4008 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
4011 if (PL_op->op_flags & OPf_STACKED) {
4012 SV *really = *++MARK;
4013 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
4015 else if (SP - MARK != 1)
4016 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
4018 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
4021 #else /* ! FORK or VMS or OS/2 */
4024 if (PL_op->op_flags & OPf_STACKED) {
4025 SV *really = *++MARK;
4026 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
4028 else if (SP - MARK != 1)
4029 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
4031 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
4033 if (PL_statusvalue == -1) /* hint that value must be returned as is */
4035 STATUS_NATIVE_SET(value);
4038 PUSHi(result ? value : STATUS_CURRENT);
4039 #endif /* !FORK or VMS */
4045 djSP; dMARK; dORIGMARK; dTARGET;
4049 PERL_FLUSHALL_FOR_CHILD;
4050 if (PL_op->op_flags & OPf_STACKED) {
4051 SV *really = *++MARK;
4052 value = (I32)do_aexec(really, MARK, SP);
4054 else if (SP - MARK != 1)
4056 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
4060 (void ) do_aspawn(Nullsv, MARK, SP);
4064 value = (I32)do_aexec(Nullsv, MARK, SP);
4069 char *junk = SvPV(*SP, n_a);
4071 TAINT_PROPER("exec");
4074 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4077 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
4080 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4085 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
4097 djSP; dMARK; dTARGET;
4100 value = (I32)apply(PL_op->op_type, MARK, SP);
4105 DIE(aTHX_ PL_no_func, "Unsupported function kill");
4113 XPUSHi( getppid() );
4116 DIE(aTHX_ PL_no_func, "getppid");
4132 pgrp = (I32)BSD_GETPGRP(pid);
4134 if (pid != 0 && pid != PerlProc_getpid())
4135 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4141 DIE(aTHX_ PL_no_func, "getpgrp()");
4160 TAINT_PROPER("setpgrp");
4162 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4164 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4165 || (pid != 0 && pid != PerlProc_getpid()))
4167 DIE(aTHX_ "setpgrp can't take arguments");
4169 SETi( setpgrp() >= 0 );
4170 #endif /* USE_BSDPGRP */
4173 DIE(aTHX_ PL_no_func, "setpgrp()");
4182 #ifdef HAS_GETPRIORITY
4185 SETi( getpriority(which, who) );
4188 DIE(aTHX_ PL_no_func, "getpriority()");
4198 #ifdef HAS_SETPRIORITY
4202 TAINT_PROPER("setpriority");
4203 SETi( setpriority(which, who, niceval) >= 0 );
4206 DIE(aTHX_ PL_no_func, "setpriority()");
4216 XPUSHn( time(Null(Time_t*)) );
4218 XPUSHi( time(Null(Time_t*)) );
4223 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4224 to HZ. Probably. For now, assume that if the system
4225 defines HZ, it does so correctly. (Will this break
4227 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4228 it's supported. --AD 9/96.
4244 DIE(aTHX_ "times not implemented");
4249 (void)PerlProc_times(&PL_timesbuf);
4251 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4252 /* struct tms, though same data */
4256 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4257 if (GIMME == G_ARRAY) {
4258 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4259 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4260 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4263 #endif /* HAS_TIMES */
4276 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4277 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4278 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4284 when = (Time_t)SvNVx(POPs);
4286 when = (Time_t)SvIVx(POPs);
4289 if (PL_op->op_type == OP_LOCALTIME)
4290 tmbuf = localtime(&when);
4292 tmbuf = gmtime(&when);
4296 if (GIMME != G_ARRAY) {
4300 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4301 dayname[tmbuf->tm_wday],
4302 monname[tmbuf->tm_mon],
4307 tmbuf->tm_year + 1900);
4308 PUSHs(sv_2mortal(tsv));
4311 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4312 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4313 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4314 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4315 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4316 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4317 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4318 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4319 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4330 anum = alarm((unsigned int)anum);
4337 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4348 (void)time(&lasttime);
4353 PerlProc_sleep((unsigned int)duration);
4356 XPUSHi(when - lasttime);
4360 /* Shared memory. */
4374 return pp_shmwrite();
4379 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4380 djSP; dMARK; dTARGET;
4381 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4390 /* Message passing. */
4404 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4405 djSP; dMARK; dTARGET;
4406 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4417 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4418 djSP; dMARK; dTARGET;
4419 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4432 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4433 djSP; dMARK; dTARGET;
4434 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4441 DIE(aTHX_ "System V IPC is not implemented on this machine");
4447 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4448 djSP; dMARK; dTARGET;
4449 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4457 PUSHp(zero_but_true, ZBTLEN);
4467 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4468 djSP; dMARK; dTARGET;
4469 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4478 /* Get system info. */
4482 #ifdef HAS_GETHOSTBYNAME
4483 return pp_ghostent();
4485 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4491 #ifdef HAS_GETHOSTBYADDR
4492 return pp_ghostent();
4494 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4501 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4502 I32 which = PL_op->op_type;
4503 register char **elem;
4505 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4506 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4507 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4508 struct hostent *PerlSock_gethostent(void);
4510 struct hostent *hent;
4515 if (which == OP_GHBYNAME)
4516 #ifdef HAS_GETHOSTBYNAME
4517 hent = PerlSock_gethostbyname(POPpx);
4519 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4521 else if (which == OP_GHBYADDR) {
4522 #ifdef HAS_GETHOSTBYADDR
4523 int addrtype = POPi;
4526 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4528 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4530 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4534 #ifdef HAS_GETHOSTENT
4535 hent = PerlSock_gethostent();
4537 DIE(aTHX_ PL_no_sock_func, "gethostent");
4540 #ifdef HOST_NOT_FOUND
4542 STATUS_NATIVE_SET(h_errno);
4545 if (GIMME != G_ARRAY) {
4546 PUSHs(sv = sv_newmortal());
4548 if (which == OP_GHBYNAME) {
4550 sv_setpvn(sv, hent->h_addr, hent->h_length);
4553 sv_setpv(sv, (char*)hent->h_name);
4559 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4560 sv_setpv(sv, (char*)hent->h_name);
4561 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4562 for (elem = hent->h_aliases; elem && *elem; elem++) {
4563 sv_catpv(sv, *elem);
4565 sv_catpvn(sv, " ", 1);
4567 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4568 sv_setiv(sv, (IV)hent->h_addrtype);
4569 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4570 len = hent->h_length;
4571 sv_setiv(sv, (IV)len);
4573 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4574 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4575 sv_setpvn(sv, *elem, len);
4578 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4580 sv_setpvn(sv, hent->h_addr, len);
4585 DIE(aTHX_ PL_no_sock_func, "gethostent");
4591 #ifdef HAS_GETNETBYNAME
4592 return pp_gnetent();
4594 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4600 #ifdef HAS_GETNETBYADDR
4601 return pp_gnetent();
4603 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4610 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4611 I32 which = PL_op->op_type;
4612 register char **elem;
4614 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4615 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4616 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4617 struct netent *PerlSock_getnetent(void);
4619 struct netent *nent;
4622 if (which == OP_GNBYNAME)
4623 #ifdef HAS_GETNETBYNAME
4624 nent = PerlSock_getnetbyname(POPpx);
4626 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4628 else if (which == OP_GNBYADDR) {
4629 #ifdef HAS_GETNETBYADDR
4630 int addrtype = POPi;
4631 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4632 nent = PerlSock_getnetbyaddr(addr, addrtype);
4634 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4638 #ifdef HAS_GETNETENT
4639 nent = PerlSock_getnetent();
4641 DIE(aTHX_ PL_no_sock_func, "getnetent");
4645 if (GIMME != G_ARRAY) {
4646 PUSHs(sv = sv_newmortal());
4648 if (which == OP_GNBYNAME)
4649 sv_setiv(sv, (IV)nent->n_net);
4651 sv_setpv(sv, nent->n_name);
4657 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4658 sv_setpv(sv, nent->n_name);
4659 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4660 for (elem = nent->n_aliases; elem && *elem; elem++) {
4661 sv_catpv(sv, *elem);
4663 sv_catpvn(sv, " ", 1);
4665 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4666 sv_setiv(sv, (IV)nent->n_addrtype);
4667 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4668 sv_setiv(sv, (IV)nent->n_net);
4673 DIE(aTHX_ PL_no_sock_func, "getnetent");
4679 #ifdef HAS_GETPROTOBYNAME
4680 return pp_gprotoent();
4682 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4688 #ifdef HAS_GETPROTOBYNUMBER
4689 return pp_gprotoent();
4691 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4698 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4699 I32 which = PL_op->op_type;
4700 register char **elem;
4702 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4703 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4704 struct protoent *PerlSock_getprotobynumber(int);
4705 struct protoent *PerlSock_getprotoent(void);
4707 struct protoent *pent;
4710 if (which == OP_GPBYNAME)
4711 #ifdef HAS_GETPROTOBYNAME
4712 pent = PerlSock_getprotobyname(POPpx);
4714 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4716 else if (which == OP_GPBYNUMBER)
4717 #ifdef HAS_GETPROTOBYNUMBER
4718 pent = PerlSock_getprotobynumber(POPi);
4720 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4723 #ifdef HAS_GETPROTOENT
4724 pent = PerlSock_getprotoent();
4726 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4730 if (GIMME != G_ARRAY) {
4731 PUSHs(sv = sv_newmortal());
4733 if (which == OP_GPBYNAME)
4734 sv_setiv(sv, (IV)pent->p_proto);
4736 sv_setpv(sv, pent->p_name);
4742 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4743 sv_setpv(sv, pent->p_name);
4744 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4745 for (elem = pent->p_aliases; elem && *elem; elem++) {
4746 sv_catpv(sv, *elem);
4748 sv_catpvn(sv, " ", 1);
4750 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4751 sv_setiv(sv, (IV)pent->p_proto);
4756 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4762 #ifdef HAS_GETSERVBYNAME
4763 return pp_gservent();
4765 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4771 #ifdef HAS_GETSERVBYPORT
4772 return pp_gservent();
4774 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4781 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4782 I32 which = PL_op->op_type;
4783 register char **elem;
4785 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4786 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4787 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4788 struct servent *PerlSock_getservent(void);
4790 struct servent *sent;
4793 if (which == OP_GSBYNAME) {
4794 #ifdef HAS_GETSERVBYNAME
4795 char *proto = POPpx;
4798 if (proto && !*proto)
4801 sent = PerlSock_getservbyname(name, proto);
4803 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4806 else if (which == OP_GSBYPORT) {
4807 #ifdef HAS_GETSERVBYPORT
4808 char *proto = POPpx;
4809 unsigned short port = POPu;
4812 port = PerlSock_htons(port);
4814 sent = PerlSock_getservbyport(port, proto);
4816 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4820 #ifdef HAS_GETSERVENT
4821 sent = PerlSock_getservent();
4823 DIE(aTHX_ PL_no_sock_func, "getservent");
4827 if (GIMME != G_ARRAY) {
4828 PUSHs(sv = sv_newmortal());
4830 if (which == OP_GSBYNAME) {
4832 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4834 sv_setiv(sv, (IV)(sent->s_port));
4838 sv_setpv(sv, sent->s_name);
4844 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4845 sv_setpv(sv, sent->s_name);
4846 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4847 for (elem = sent->s_aliases; elem && *elem; elem++) {
4848 sv_catpv(sv, *elem);
4850 sv_catpvn(sv, " ", 1);
4852 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4854 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4856 sv_setiv(sv, (IV)(sent->s_port));
4858 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4859 sv_setpv(sv, sent->s_proto);
4864 DIE(aTHX_ PL_no_sock_func, "getservent");
4871 #ifdef HAS_SETHOSTENT
4872 PerlSock_sethostent(TOPi);
4875 DIE(aTHX_ PL_no_sock_func, "sethostent");
4882 #ifdef HAS_SETNETENT
4883 PerlSock_setnetent(TOPi);
4886 DIE(aTHX_ PL_no_sock_func, "setnetent");
4893 #ifdef HAS_SETPROTOENT
4894 PerlSock_setprotoent(TOPi);
4897 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4904 #ifdef HAS_SETSERVENT
4905 PerlSock_setservent(TOPi);
4908 DIE(aTHX_ PL_no_sock_func, "setservent");
4915 #ifdef HAS_ENDHOSTENT
4916 PerlSock_endhostent();
4920 DIE(aTHX_ PL_no_sock_func, "endhostent");
4927 #ifdef HAS_ENDNETENT
4928 PerlSock_endnetent();
4932 DIE(aTHX_ PL_no_sock_func, "endnetent");
4939 #ifdef HAS_ENDPROTOENT
4940 PerlSock_endprotoent();
4944 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4951 #ifdef HAS_ENDSERVENT
4952 PerlSock_endservent();
4956 DIE(aTHX_ PL_no_sock_func, "endservent");
4965 DIE(aTHX_ PL_no_func, "getpwnam");
4974 DIE(aTHX_ PL_no_func, "getpwuid");
4982 I32 which = PL_op->op_type;
4985 struct passwd *pwent = NULL;
4987 * We currently support only the SysV getsp* shadow password interface.
4988 * The interface is declared in <shadow.h> and often one needs to link
4989 * with -lsecurity or some such.
4990 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
4993 * AIX getpwnam() is clever enough to return the encrypted password
4994 * only if the caller (euid?) is root.
4996 * There are at least two other shadow password APIs. Many platforms
4997 * seem to contain more than one interface for accessing the shadow
4998 * password databases, possibly for compatibility reasons.
4999 * The getsp*() is by far he simplest one, the other two interfaces
5000 * are much more complicated, but also very similar to each other.
5005 * struct pr_passwd *getprpw*();
5006 * The password is in
5007 * char getprpw*(...).ufld.fd_encrypt[]
5008 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
5013 * struct es_passwd *getespw*();
5014 * The password is in
5015 * char *(getespw*(...).ufld.fd_encrypt)
5016 * Mention HAS_GETESPWNAM here so that Configure probes for it.
5018 * Mention I_PROT here so that Configure probes for it.
5020 * In HP-UX for getprpw*() the manual page claims that one should include
5021 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
5022 * if one includes <shadow.h> as that includes <hpsecurity.h>,
5023 * and pp_sys.c already includes <shadow.h> if there is such.
5025 * Note that <sys/security.h> is already probed for, but currently
5026 * it is only included in special cases.
5028 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
5029 * be preferred interface, even though also the getprpw*() interface
5030 * is available) one needs to link with -lsecurity -ldb -laud -lm.
5031 * One also needs to call set_auth_parameters() in main() before
5032 * doing anything else, whether one is using getespw*() or getprpw*().
5034 * Note that accessing the shadow databases can be magnitudes
5035 * slower than accessing the standard databases.
5042 pwent = getpwnam(POPpx);
5045 pwent = getpwuid((Uid_t)POPi);
5048 # ifdef HAS_GETPWENT
5051 DIE(aTHX_ PL_no_func, "getpwent");
5057 if (GIMME != G_ARRAY) {
5058 PUSHs(sv = sv_newmortal());
5060 if (which == OP_GPWNAM)
5061 # if Uid_t_sign <= 0
5062 sv_setiv(sv, (IV)pwent->pw_uid);
5064 sv_setuv(sv, (UV)pwent->pw_uid);
5067 sv_setpv(sv, pwent->pw_name);
5073 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5074 sv_setpv(sv, pwent->pw_name);
5076 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5078 /* If we have getspnam(), we try to dig up the shadow
5079 * password. If we are underprivileged, the shadow
5080 * interface will set the errno to EACCES or similar,
5081 * and return a null pointer. If this happens, we will
5082 * use the dummy password (usually "*" or "x") from the
5083 * standard password database.
5085 * In theory we could skip the shadow call completely
5086 * if euid != 0 but in practice we cannot know which
5087 * security measures are guarding the shadow databases
5088 * on a random platform.
5090 * Resist the urge to use additional shadow interfaces.
5091 * Divert the urge to writing an extension instead.
5094 # ifdef HAS_GETSPNAM
5096 struct spwd *spwent;
5097 int saverrno; /* Save and restore errno so that
5098 * underprivileged attempts seem
5099 * to have never made the unsccessful
5100 * attempt to retrieve the shadow password. */
5103 spwent = getspnam(pwent->pw_name);
5105 if (spwent && spwent->sp_pwdp)
5106 sv_setpv(sv, spwent->sp_pwdp);
5110 if (!SvPOK(sv)) /* Use the standard password, then. */
5111 sv_setpv(sv, pwent->pw_passwd);
5114 # ifndef INCOMPLETE_TAINTS
5115 /* passwd is tainted because user himself can diddle with it.
5116 * admittedly not much and in a very limited way, but nevertheless. */
5120 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5121 # if Uid_t_sign <= 0
5122 sv_setiv(sv, (IV)pwent->pw_uid);
5124 sv_setuv(sv, (UV)pwent->pw_uid);
5127 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5128 # if Uid_t_sign <= 0
5129 sv_setiv(sv, (IV)pwent->pw_gid);
5131 sv_setuv(sv, (UV)pwent->pw_gid);
5133 /* pw_change, pw_quota, and pw_age are mutually exclusive--
5134 * because of the poor interface of the Perl getpw*(),
5135 * not because there's some standard/convention saying so.
5136 * A better interface would have been to return a hash,
5137 * but we are accursed by our history, alas. --jhi. */
5138 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5140 sv_setiv(sv, (IV)pwent->pw_change);
5143 sv_setiv(sv, (IV)pwent->pw_quota);
5146 sv_setpv(sv, pwent->pw_age);
5151 /* pw_class and pw_comment are mutually exclusive--.
5152 * see the above note for pw_change, pw_quota, and pw_age. */
5153 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5155 sv_setpv(sv, pwent->pw_class);
5158 sv_setpv(sv, pwent->pw_comment);
5162 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5164 sv_setpv(sv, pwent->pw_gecos);
5166 # ifndef INCOMPLETE_TAINTS
5167 /* pw_gecos is tainted because user himself can diddle with it. */
5171 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5172 sv_setpv(sv, pwent->pw_dir);
5174 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5175 sv_setpv(sv, pwent->pw_shell);
5176 # ifndef INCOMPLETE_TAINTS
5177 /* pw_shell is tainted because user himself can diddle with it. */
5182 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5183 sv_setiv(sv, (IV)pwent->pw_expire);
5188 DIE(aTHX_ PL_no_func, "getpwent");
5195 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5199 DIE(aTHX_ PL_no_func, "setpwent");
5206 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5210 DIE(aTHX_ PL_no_func, "endpwent");
5219 DIE(aTHX_ PL_no_func, "getgrnam");
5228 DIE(aTHX_ PL_no_func, "getgrgid");
5236 I32 which = PL_op->op_type;
5237 register char **elem;
5239 struct group *grent;
5242 if (which == OP_GGRNAM)
5243 grent = (struct group *)getgrnam(POPpx);
5244 else if (which == OP_GGRGID)
5245 grent = (struct group *)getgrgid(POPi);
5248 grent = (struct group *)getgrent();
5250 DIE(aTHX_ PL_no_func, "getgrent");
5254 if (GIMME != G_ARRAY) {
5255 PUSHs(sv = sv_newmortal());
5257 if (which == OP_GGRNAM)
5258 sv_setiv(sv, (IV)grent->gr_gid);
5260 sv_setpv(sv, grent->gr_name);
5266 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5267 sv_setpv(sv, grent->gr_name);
5269 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5271 sv_setpv(sv, grent->gr_passwd);
5274 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5275 sv_setiv(sv, (IV)grent->gr_gid);
5277 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5278 for (elem = grent->gr_mem; elem && *elem; elem++) {
5279 sv_catpv(sv, *elem);
5281 sv_catpvn(sv, " ", 1);
5287 DIE(aTHX_ PL_no_func, "getgrent");
5294 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5298 DIE(aTHX_ PL_no_func, "setgrent");
5305 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5309 DIE(aTHX_ PL_no_func, "endgrent");
5319 if (!(tmps = PerlProc_getlogin()))
5321 PUSHp(tmps, strlen(tmps));
5324 DIE(aTHX_ PL_no_func, "getlogin");
5328 /* Miscellaneous. */
5333 djSP; dMARK; dORIGMARK; dTARGET;
5334 register I32 items = SP - MARK;
5335 unsigned long a[20];
5341 while (++MARK <= SP) {
5342 if (SvTAINTED(*MARK)) {
5348 TAINT_PROPER("syscall");
5351 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5352 * or where sizeof(long) != sizeof(char*). But such machines will
5353 * not likely have syscall implemented either, so who cares?
5355 while (++MARK <= SP) {
5356 if (SvNIOK(*MARK) || !i)
5357 a[i++] = SvIV(*MARK);
5358 else if (*MARK == &PL_sv_undef)
5361 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5367 DIE(aTHX_ "Too many args to syscall");
5369 DIE(aTHX_ "Too few args to syscall");
5371 retval = syscall(a[0]);
5374 retval = syscall(a[0],a[1]);
5377 retval = syscall(a[0],a[1],a[2]);
5380 retval = syscall(a[0],a[1],a[2],a[3]);
5383 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5386 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5389 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5392 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5396 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5399 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5402 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5406 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5410 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5414 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5415 a[10],a[11],a[12],a[13]);
5417 #endif /* atarist */
5423 DIE(aTHX_ PL_no_func, "syscall");
5427 #ifdef FCNTL_EMULATE_FLOCK
5429 /* XXX Emulate flock() with fcntl().
5430 What's really needed is a good file locking module.
5434 fcntl_emulate_flock(int fd, int operation)
5438 switch (operation & ~LOCK_NB) {
5440 flock.l_type = F_RDLCK;
5443 flock.l_type = F_WRLCK;
5446 flock.l_type = F_UNLCK;
5452 flock.l_whence = SEEK_SET;
5453 flock.l_start = flock.l_len = (Off_t)0;
5455 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5458 #endif /* FCNTL_EMULATE_FLOCK */
5460 #ifdef LOCKF_EMULATE_FLOCK
5462 /* XXX Emulate flock() with lockf(). This is just to increase
5463 portability of scripts. The calls are not completely
5464 interchangeable. What's really needed is a good file
5468 /* The lockf() constants might have been defined in <unistd.h>.
5469 Unfortunately, <unistd.h> causes troubles on some mixed
5470 (BSD/POSIX) systems, such as SunOS 4.1.3.
5472 Further, the lockf() constants aren't POSIX, so they might not be
5473 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5474 just stick in the SVID values and be done with it. Sigh.
5478 # define F_ULOCK 0 /* Unlock a previously locked region */
5481 # define F_LOCK 1 /* Lock a region for exclusive use */
5484 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5487 # define F_TEST 3 /* Test a region for other processes locks */
5491 lockf_emulate_flock(int fd, int operation)
5497 /* flock locks entire file so for lockf we need to do the same */
5499 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5500 if (pos > 0) /* is seekable and needs to be repositioned */
5501 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5502 pos = -1; /* seek failed, so don't seek back afterwards */
5505 switch (operation) {
5507 /* LOCK_SH - get a shared lock */
5509 /* LOCK_EX - get an exclusive lock */
5511 i = lockf (fd, F_LOCK, 0);
5514 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5515 case LOCK_SH|LOCK_NB:
5516 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5517 case LOCK_EX|LOCK_NB:
5518 i = lockf (fd, F_TLOCK, 0);
5520 if ((errno == EAGAIN) || (errno == EACCES))
5521 errno = EWOULDBLOCK;
5524 /* LOCK_UN - unlock (non-blocking is a no-op) */
5526 case LOCK_UN|LOCK_NB:
5527 i = lockf (fd, F_ULOCK, 0);
5530 /* Default - can't decipher operation */
5537 if (pos > 0) /* need to restore position of the handle */
5538 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5543 #endif /* LOCKF_EMULATE_FLOCK */