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 methname = "TIEHANDLE";
764 methname = "TIESCALAR";
769 if (sv_isobject(*MARK)) {
771 PUSHSTACKi(PERLSI_MAGIC);
777 call_method(methname, G_SCALAR);
780 /* Not clear why we don't call call_method here too.
781 * perhaps to get different error message ?
783 stash = gv_stashsv(*MARK, FALSE);
784 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
785 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
786 methname, SvPV(*MARK,n_a));
789 PUSHSTACKi(PERLSI_MAGIC);
795 call_sv((SV*)GvCV(gv), G_SCALAR);
801 if (sv_isobject(sv)) {
802 sv_unmagic(varsv, how);
803 /* Croak if a self-tie on an aggregate is attempted. */
804 if (varsv == SvRV(sv) &&
805 (SvTYPE(sv) == SVt_PVAV ||
806 SvTYPE(sv) == SVt_PVHV))
808 "Self-ties of arrays and hashes are not supported");
809 sv_magic(varsv, sv, how, Nullch, 0);
812 SP = PL_stack_base + markoff;
821 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
824 if ((mg = SvTIED_mg(sv, how))) {
825 SV *obj = SvRV(mg->mg_obj);
828 if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
829 isGV(gv) && (cv = GvCV(gv))) {
831 XPUSHs(SvTIED_obj((SV*)gv, mg));
832 XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
835 call_sv((SV *)cv, G_VOID);
839 else if (ckWARN(WARN_UNTIE)) {
840 if (mg && SvREFCNT(obj) > 1)
841 Perl_warner(aTHX_ WARN_UNTIE,
842 "untie attempted while %"UVuf" inner references still exist",
843 (UV)SvREFCNT(obj) - 1 ) ;
854 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
857 if ((mg = SvTIED_mg(sv, how))) {
858 SV *osv = SvTIED_obj(sv, mg);
859 if (osv == mg->mg_obj)
860 osv = sv_mortalcopy(osv);
878 sv = sv_mortalcopy(&PL_sv_no);
879 sv_setpv(sv, "AnyDBM_File");
880 stash = gv_stashsv(sv, FALSE);
881 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
883 require_pv("AnyDBM_File.pm");
885 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
886 DIE(aTHX_ "No dbm on this machine");
896 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
898 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
901 call_sv((SV*)GvCV(gv), G_SCALAR);
904 if (!sv_isobject(TOPs)) {
909 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
912 call_sv((SV*)GvCV(gv), G_SCALAR);
916 if (sv_isobject(TOPs)) {
917 sv_unmagic((SV *) hv, 'P');
918 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
940 struct timeval timebuf;
941 struct timeval *tbuf = &timebuf;
945 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
950 # if BYTEORDER & 0xf0000
951 # define ORDERBYTE (0x88888888 - BYTEORDER)
953 # define ORDERBYTE (0x4444 - BYTEORDER)
959 for (i = 1; i <= 3; i++) {
967 /* little endians can use vecs directly */
968 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
969 # if SELECT_MIN_BITS > 1
970 /* If SELECT_MIN_BITS is greater than one we most probably will want
971 * to align the sizes with SELECT_MIN_BITS/8 because for example
972 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
973 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
974 * on (sets/tests/clears bits) is 32 bits. */
975 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
977 growsize = sizeof(fd_set);
986 masksize = NFDBITS / NBBY;
988 masksize = sizeof(long); /* documented int, everyone seems to use long */
990 growsize = maxlen + (masksize - (maxlen % masksize));
991 Zero(&fd_sets[0], 4, char*);
999 timebuf.tv_sec = (long)value;
1000 value -= (NV)timebuf.tv_sec;
1001 timebuf.tv_usec = (long)(value * 1000000.0);
1004 tbuf = Null(struct timeval*);
1006 for (i = 1; i <= 3; i++) {
1012 else if (!SvPOK(sv))
1013 SvPV_force(sv,n_a); /* force string conversion */
1016 Sv_Grow(sv, growsize);
1020 while (++j <= growsize) {
1024 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1026 New(403, fd_sets[i], growsize, char);
1027 for (offset = 0; offset < growsize; offset += masksize) {
1028 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1029 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1032 fd_sets[i] = SvPVX(sv);
1036 nfound = PerlSock_select(
1038 (Select_fd_set_t) fd_sets[1],
1039 (Select_fd_set_t) fd_sets[2],
1040 (Select_fd_set_t) fd_sets[3],
1042 for (i = 1; i <= 3; i++) {
1045 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1047 for (offset = 0; offset < growsize; offset += masksize) {
1048 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1049 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1051 Safefree(fd_sets[i]);
1058 if (GIMME == G_ARRAY && tbuf) {
1059 value = (NV)(timebuf.tv_sec) +
1060 (NV)(timebuf.tv_usec) / 1000000.0;
1061 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1062 sv_setnv(sv, value);
1066 DIE(aTHX_ "select not implemented");
1071 Perl_setdefout(pTHX_ GV *gv)
1074 (void)SvREFCNT_inc(gv);
1076 SvREFCNT_dec(PL_defoutgv);
1083 GV *newdefout, *egv;
1086 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1088 egv = GvEGV(PL_defoutgv);
1093 XPUSHs(&PL_sv_undef);
1095 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1096 if (gvp && *gvp == egv) {
1097 gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
1101 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1106 if (!GvIO(newdefout))
1107 gv_IOadd(newdefout);
1108 setdefout(newdefout);
1125 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1126 I32 gimme = GIMME_V;
1128 XPUSHs(SvTIED_obj((SV*)gv, mg));
1131 call_method("GETC", gimme);
1134 if (gimme == G_SCALAR)
1135 SvSetMagicSV_nosteal(TARG, TOPs);
1138 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1141 sv_setpv(TARG, " ");
1142 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1143 if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) {
1144 /* Find out how many bytes the char needs */
1145 Size_t len = UTF8SKIP(SvPVX(TARG));
1148 len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1);
1149 SvCUR_set(TARG,1+len);
1159 return pp_sysread();
1163 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1165 register PERL_CONTEXT *cx;
1166 I32 gimme = GIMME_V;
1167 AV* padlist = CvPADLIST(cv);
1168 SV** svp = AvARRAY(padlist);
1174 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1176 SAVEVPTR(PL_curpad);
1177 PL_curpad = AvARRAY((AV*)svp[1]);
1179 setdefout(gv); /* locally select filehandle so $% et al work */
1212 SV *tmpsv = sv_newmortal();
1213 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1214 name = SvPV_nolen(tmpsv);
1217 DIE(aTHX_ "Undefined format \"%s\" called", name);
1218 DIE(aTHX_ "Not a format reference");
1221 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1223 IoFLAGS(io) &= ~IOf_DIDTOP;
1224 return doform(cv,gv,PL_op->op_next);
1230 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1231 register IO *io = GvIOp(gv);
1232 PerlIO *ofp = IoOFP(io);
1236 register PERL_CONTEXT *cx;
1238 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1239 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1242 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1243 PL_formtarget != PL_toptarget)
1247 if (!IoTOP_GV(io)) {
1251 if (!IoTOP_NAME(io)) {
1252 if (!IoFMT_NAME(io))
1253 IoFMT_NAME(io) = savepv(GvNAME(gv));
1254 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1255 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1256 if ((topgv && GvFORM(topgv)) ||
1257 !gv_fetchpv("top",FALSE,SVt_PVFM))
1258 IoTOP_NAME(io) = savepv(SvPVX(topname));
1260 IoTOP_NAME(io) = savepv("top");
1262 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1263 if (!topgv || !GvFORM(topgv)) {
1264 IoLINES_LEFT(io) = 100000000;
1267 IoTOP_GV(io) = topgv;
1269 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1270 I32 lines = IoLINES_LEFT(io);
1271 char *s = SvPVX(PL_formtarget);
1272 if (lines <= 0) /* Yow, header didn't even fit!!! */
1274 while (lines-- > 0) {
1275 s = strchr(s, '\n');
1281 STRLEN save = SvCUR(PL_formtarget);
1282 SvCUR_set(PL_formtarget, s - SvPVX(PL_formtarget));
1283 do_print(PL_formtarget, ofp);
1284 SvCUR_set(PL_formtarget, save);
1285 sv_chop(PL_formtarget, s);
1286 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1289 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1290 do_print(PL_formfeed, ofp);
1291 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1293 PL_formtarget = PL_toptarget;
1294 IoFLAGS(io) |= IOf_DIDTOP;
1297 DIE(aTHX_ "bad top format reference");
1302 SV *sv = sv_newmortal();
1303 gv_efullname4(sv, fgv, Nullch, FALSE);
1304 name = SvPV_nolen(sv);
1307 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1310 DIE(aTHX_ "Undefined top format called");
1314 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1315 return doform(cv,gv,PL_op);
1319 POPBLOCK(cx,PL_curpm);
1325 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1327 /* integrate with report_evil_fh()? */
1330 SV* sv = sv_newmortal();
1331 gv_efullname4(sv, gv, Nullch, FALSE);
1332 name = SvPV_nolen(sv);
1335 Perl_warner(aTHX_ WARN_IO,
1336 "Filehandle %s opened only for input", name);
1338 Perl_warner(aTHX_ WARN_IO,
1339 "Filehandle opened only for input");
1341 else if (ckWARN(WARN_CLOSED))
1342 report_evil_fh(gv, io, PL_op->op_type);
1347 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1348 if (ckWARN(WARN_IO))
1349 Perl_warner(aTHX_ WARN_IO, "page overflow");
1351 if (!do_print(PL_formtarget, fp))
1354 FmLINES(PL_formtarget) = 0;
1355 SvCUR_set(PL_formtarget, 0);
1356 *SvEND(PL_formtarget) = '\0';
1357 if (IoFLAGS(io) & IOf_FLUSH)
1358 (void)PerlIO_flush(fp);
1363 PL_formtarget = PL_bodytarget;
1365 return pop_return();
1370 djSP; dMARK; dORIGMARK;
1378 if (PL_op->op_flags & OPf_STACKED)
1383 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1384 if (MARK == ORIGMARK) {
1387 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1391 *MARK = SvTIED_obj((SV*)gv, mg);
1394 call_method("PRINTF", G_SCALAR);
1397 MARK = ORIGMARK + 1;
1404 if (!(io = GvIO(gv))) {
1405 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1406 report_evil_fh(gv, io, PL_op->op_type);
1407 SETERRNO(EBADF,RMS$_IFI);
1410 else if (!(fp = IoOFP(io))) {
1411 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1412 /* integrate with report_evil_fh()? */
1416 gv_efullname4(sv, gv, Nullch, FALSE);
1417 name = SvPV_nolen(sv);
1420 Perl_warner(aTHX_ WARN_IO,
1421 "Filehandle %s opened only for input", name);
1423 Perl_warner(aTHX_ WARN_IO,
1424 "Filehandle opened only for input");
1426 else if (ckWARN(WARN_CLOSED))
1427 report_evil_fh(gv, io, PL_op->op_type);
1429 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1433 do_sprintf(sv, SP - MARK, MARK + 1);
1434 if (!do_print(sv, fp))
1437 if (IoFLAGS(io) & IOf_FLUSH)
1438 if (PerlIO_flush(fp) == EOF)
1449 PUSHs(&PL_sv_undef);
1470 /* Need TIEHANDLE method ? */
1472 tmps = SvPV(sv, len);
1473 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1474 IoLINES(GvIOp(gv)) = 0;
1478 PUSHs(&PL_sv_undef);
1485 djSP; dMARK; dORIGMARK; dTARGET;
1492 Sock_size_t bufsize;
1501 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1502 (mg = SvTIED_mg((SV*)gv, 'q')))
1507 *MARK = SvTIED_obj((SV*)gv, mg);
1509 call_method("READ", G_SCALAR);
1522 sv_setpvn(bufsv, "", 0);
1523 length = SvIVx(*++MARK);
1526 offset = SvIVx(*++MARK);
1530 if (!io || !IoIFP(io))
1532 if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTE) {
1533 buffer = SvPVutf8_force(bufsv, blen);
1534 /* UTF8 may not have been set if they are all low bytes */
1538 buffer = SvPV_force(bufsv, blen);
1541 DIE(aTHX_ "Negative length");
1545 if (PL_op->op_type == OP_RECV) {
1546 char namebuf[MAXPATHLEN];
1547 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1548 bufsize = sizeof (struct sockaddr_in);
1550 bufsize = sizeof namebuf;
1552 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1556 buffer = SvGROW(bufsv, length+1);
1557 /* 'offset' means 'flags' here */
1558 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1559 (struct sockaddr *)namebuf, &bufsize);
1562 SvCUR_set(bufsv, count);
1563 *SvEND(bufsv) = '\0';
1564 (void)SvPOK_only(bufsv);
1568 /* This should not be marked tainted if the fp is marked clean */
1569 if (!(IoFLAGS(io) & IOf_UNTAINT))
1570 SvTAINTED_on(bufsv);
1572 sv_setpvn(TARG, namebuf, bufsize);
1577 if (PL_op->op_type == OP_RECV)
1578 DIE(aTHX_ PL_no_sock_func, "recv");
1580 if (DO_UTF8(bufsv)) {
1581 /* offset adjust in characters not bytes */
1582 blen = sv_len_utf8(bufsv);
1586 DIE(aTHX_ "Offset outside string");
1589 if (DO_UTF8(bufsv)) {
1590 /* convert offset-as-chars to offset-as-bytes */
1591 offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer;
1594 bufsize = SvCUR(bufsv);
1595 buffer = SvGROW(bufsv, length+offset+1);
1596 if (offset > bufsize) { /* Zero any newly allocated space */
1597 Zero(buffer+bufsize, offset-bufsize, char);
1599 buffer = buffer + offset;
1601 if (PL_op->op_type == OP_SYSREAD) {
1602 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1603 if (IoTYPE(io) == IoTYPE_SOCKET) {
1604 count = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1610 count = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1615 #ifdef HAS_SOCKET__bad_code_maybe
1616 if (IoTYPE(io) == IoTYPE_SOCKET) {
1617 char namebuf[MAXPATHLEN];
1618 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1619 bufsize = sizeof (struct sockaddr_in);
1621 bufsize = sizeof namebuf;
1623 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0,
1624 (struct sockaddr *)namebuf, &bufsize);
1629 count = PerlIO_read(IoIFP(io), buffer, length);
1630 /* PerlIO_read() - like fread() returns 0 on both error and EOF */
1631 if (count == 0 && PerlIO_error(IoIFP(io)))
1635 if ((IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout()
1636 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1638 /* integrate with report_evil_fh()? */
1641 SV* sv = sv_newmortal();
1642 gv_efullname4(sv, gv, Nullch, FALSE);
1643 name = SvPV_nolen(sv);
1646 Perl_warner(aTHX_ WARN_IO,
1647 "Filehandle %s opened only for output", name);
1649 Perl_warner(aTHX_ WARN_IO,
1650 "Filehandle opened only for output");
1654 SvCUR_set(bufsv, count+(buffer - SvPVX(bufsv)));
1655 *SvEND(bufsv) = '\0';
1656 (void)SvPOK_only(bufsv);
1657 if (fp_utf8 && !IN_BYTE) {
1658 /* Look at utf8 we got back and count the characters */
1659 char *bend = buffer + count;
1660 while (buffer < bend) {
1661 STRLEN skip = UTF8SKIP(buffer);
1662 if (buffer+skip > bend) {
1663 /* partial character - try for rest of it */
1664 length = skip - (bend-buffer);
1665 offset = bend - SvPVX(bufsv);
1673 /* If we have not 'got' the number of _characters_ we 'wanted' get some more
1674 provided amount read (count) was what was requested (length)
1676 if (got < wanted && count == length) {
1677 length = (wanted-got);
1678 offset = bend - SvPVX(bufsv);
1681 /* return value is character count */
1686 /* This should not be marked tainted if the fp is marked clean */
1687 if (!(IoFLAGS(io) & IOf_UNTAINT))
1688 SvTAINTED_on(bufsv);
1701 int items = (SP - PL_stack_base) - TOPMARK;
1705 sv = sv_2mortal(newSViv(sv_len(*SP)));
1714 djSP; dMARK; dORIGMARK; dTARGET;
1725 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1729 *MARK = SvTIED_obj((SV*)gv, mg);
1731 call_method("WRITE", G_SCALAR);
1742 #if Size_t_size > IVSIZE
1743 length = (Size_t)SvNVx(*++MARK);
1745 length = (Size_t)SvIVx(*++MARK);
1747 if ((SSize_t)length < 0)
1748 DIE(aTHX_ "Negative length");
1751 if (!io || !IoIFP(io)) {
1753 if (ckWARN(WARN_CLOSED))
1754 report_evil_fh(gv, io, PL_op->op_type);
1758 if (PerlIO_isutf8(IoIFP(io))) {
1759 buffer = SvPVutf8(bufsv, blen);
1763 sv_utf8_downgrade(bufsv, FALSE);
1764 buffer = SvPV(bufsv, blen);
1767 if (PL_op->op_type == OP_SYSWRITE) {
1769 if (DO_UTF8(bufsv)) {
1770 /* length and offset are in chars */
1771 blen = sv_len_utf8(bufsv);
1774 offset = SvIVx(*++MARK);
1777 DIE(aTHX_ "Offset outside string");
1779 } else if (offset >= blen && blen > 0)
1780 DIE(aTHX_ "Offset outside string");
1783 if (length > blen - offset)
1784 length = blen - offset;
1785 if (DO_UTF8(bufsv)) {
1786 buffer = (char*)utf8_hop((U8 *)buffer, offset);
1787 length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer;
1790 buffer = buffer+offset;
1792 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1793 if (IoTYPE(io) == IoTYPE_SOCKET) {
1794 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1800 /* See the note at doio.c:do_print about filesize limits. --jhi */
1801 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1806 else if (SP > MARK) {
1809 sockbuf = SvPVx(*++MARK, mlen);
1810 /* length is really flags */
1811 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1812 length, (struct sockaddr *)sockbuf, mlen);
1815 /* length is really flags */
1816 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1819 DIE(aTHX_ PL_no_sock_func, "send");
1824 #if Size_t_size > IVSIZE
1838 return pp_sysread();
1848 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1850 gv = PL_last_in_gv = PL_argvgv;
1852 if (io && !IoIFP(io)) {
1853 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1855 IoFLAGS(io) &= ~IOf_START;
1856 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1857 sv_setpvn(GvSV(gv), "-", 1);
1858 SvSETMAGIC(GvSV(gv));
1860 else if (!nextargv(gv))
1865 gv = PL_last_in_gv; /* eof */
1868 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1870 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1872 XPUSHs(SvTIED_obj((SV*)gv, mg));
1875 call_method("EOF", G_SCALAR);
1881 PUSHs(boolSV(!gv || do_eof(gv)));
1894 gv = PL_last_in_gv = (GV*)POPs;
1896 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1898 XPUSHs(SvTIED_obj((SV*)gv, mg));
1901 call_method("TELL", G_SCALAR);
1907 #if LSEEKSIZE > IVSIZE
1908 PUSHn( do_tell(gv) );
1910 PUSHi( do_tell(gv) );
1917 return pp_sysseek();
1925 #if LSEEKSIZE > IVSIZE
1926 Off_t offset = (Off_t)SvNVx(POPs);
1928 Off_t offset = (Off_t)SvIVx(POPs);
1932 gv = PL_last_in_gv = (GV*)POPs;
1934 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1936 XPUSHs(SvTIED_obj((SV*)gv, mg));
1937 #if LSEEKSIZE > IVSIZE
1938 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1940 XPUSHs(sv_2mortal(newSViv(offset)));
1942 XPUSHs(sv_2mortal(newSViv(whence)));
1945 call_method("SEEK", G_SCALAR);
1951 if (PL_op->op_type == OP_SEEK)
1952 PUSHs(boolSV(do_seek(gv, offset, whence)));
1954 Off_t sought = do_sysseek(gv, offset, whence);
1956 PUSHs(&PL_sv_undef);
1959 #if LSEEKSIZE > IVSIZE
1964 : newSVpvn(zero_but_true, ZBTLEN);
1965 PUSHs(sv_2mortal(sv));
1974 /* There seems to be no consensus on the length type of truncate()
1975 * and ftruncate(), both off_t and size_t have supporters. In
1976 * general one would think that when using large files, off_t is
1977 * at least as wide as size_t, so using an off_t should be okay. */
1978 /* XXX Configure probe for the length type of *truncate() needed XXX */
1984 #if Size_t_size > IVSIZE
1989 /* Checking for length < 0 is problematic as the type might or
1990 * might not be signed: if it is not, clever compilers will moan. */
1991 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1993 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1994 if (PL_op->op_flags & OPf_SPECIAL) {
1995 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1997 TAINT_PROPER("truncate");
1998 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
2001 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
2003 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
2005 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
2015 if (SvTYPE(sv) == SVt_PVGV) {
2016 tmpgv = (GV*)sv; /* *main::FRED for example */
2019 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2020 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
2024 name = SvPV(sv, n_a);
2025 TAINT_PROPER("truncate");
2027 if (truncate(name, len) < 0)
2032 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
2035 if (my_chsize(tmpfd, len) < 0)
2037 PerlLIO_close(tmpfd);
2046 SETERRNO(EBADF,RMS$_IFI);
2049 DIE(aTHX_ "truncate not implemented");
2062 unsigned int func = U_I(POPn);
2063 int optype = PL_op->op_type;
2067 IO *io = gv ? GvIOn(gv) : 0;
2069 if (!io || !argsv || !IoIFP(io)) {
2070 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2071 report_evil_fh(gv, io, PL_op->op_type);
2072 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
2076 if (SvPOK(argsv) || !SvNIOK(argsv)) {
2079 s = SvPV_force(argsv, len);
2080 need = IOCPARM_LEN(func);
2082 s = Sv_Grow(argsv, need + 1);
2083 SvCUR_set(argsv, need);
2086 s[SvCUR(argsv)] = 17; /* a little sanity check here */
2089 retval = SvIV(argsv);
2090 s = INT2PTR(char*,retval); /* ouch */
2093 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
2095 if (optype == OP_IOCTL)
2097 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
2099 DIE(aTHX_ "ioctl is not implemented");
2103 #if defined(OS2) && defined(__EMX__)
2104 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
2106 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2109 DIE(aTHX_ "fcntl is not implemented");
2113 if (s[SvCUR(argsv)] != 17)
2114 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2115 PL_op_name[optype]);
2116 s[SvCUR(argsv)] = 0; /* put our null back */
2117 SvSETMAGIC(argsv); /* Assume it has changed */
2126 PUSHp(zero_but_true, ZBTLEN);
2146 if (gv && (io = GvIO(gv)))
2153 (void)PerlIO_flush(fp);
2154 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2157 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2158 report_evil_fh(gv, io, PL_op->op_type);
2160 SETERRNO(EBADF,RMS$_IFI);
2165 DIE(aTHX_ PL_no_func, "flock()");
2177 int protocol = POPi;
2183 io = gv ? GvIOn(gv) : NULL;
2186 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2187 report_evil_fh(gv, io, PL_op->op_type);
2189 do_close(gv, FALSE);
2190 SETERRNO(EBADF,LIB$_INVARG);
2194 TAINT_PROPER("socket");
2195 fd = PerlSock_socket(domain, type, protocol);
2198 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2199 IoOFP(io) = PerlIO_fdopen(fd, "w");
2200 IoTYPE(io) = IoTYPE_SOCKET;
2201 if (!IoIFP(io) || !IoOFP(io)) {
2202 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2203 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2204 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2207 #if defined(HAS_FCNTL) && defined(F_SETFD)
2208 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2213 DIE(aTHX_ PL_no_sock_func, "socket");
2220 #ifdef HAS_SOCKETPAIR
2225 int protocol = POPi;
2232 io1 = gv1 ? GvIOn(gv1) : NULL;
2233 io2 = gv2 ? GvIOn(gv2) : NULL;
2234 if (!gv1 || !gv2 || !io1 || !io2) {
2235 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
2237 report_evil_fh(gv1, io1, PL_op->op_type);
2239 report_evil_fh(gv1, io2, PL_op->op_type);
2242 do_close(gv1, FALSE);
2244 do_close(gv2, FALSE);
2248 TAINT_PROPER("socketpair");
2249 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2251 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2252 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2253 IoTYPE(io1) = IoTYPE_SOCKET;
2254 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2255 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2256 IoTYPE(io2) = IoTYPE_SOCKET;
2257 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2258 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2259 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2260 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2261 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2262 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2263 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2266 #if defined(HAS_FCNTL) && defined(F_SETFD)
2267 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2268 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2273 DIE(aTHX_ PL_no_sock_func, "socketpair");
2281 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2282 extern GETPRIVMODE();
2283 extern GETUSERMODE();
2288 register IO *io = GvIOn(gv);
2292 int mpeprivmode = 0;
2295 if (!io || !IoIFP(io))
2298 addr = SvPV(addrsv, len);
2299 TAINT_PROPER("bind");
2300 #ifdef MPE /* Deal with MPE bind() peculiarities */
2301 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2302 /* The address *MUST* stupidly be zero. */
2303 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2304 /* PRIV mode is required to bind() to ports < 1024. */
2305 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2306 ((struct sockaddr_in *)addr)->sin_port > 0) {
2307 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2312 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2313 (struct sockaddr *)addr, len) >= 0)
2316 #ifdef MPE /* Switch back to USER mode */
2327 if (ckWARN(WARN_CLOSED))
2328 report_evil_fh(gv, io, PL_op->op_type);
2329 SETERRNO(EBADF,SS$_IVCHAN);
2332 DIE(aTHX_ PL_no_sock_func, "bind");
2343 register IO *io = GvIOn(gv);
2346 if (!io || !IoIFP(io))
2349 addr = SvPV(addrsv, len);
2350 TAINT_PROPER("connect");
2351 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2357 if (ckWARN(WARN_CLOSED))
2358 report_evil_fh(gv, io, PL_op->op_type);
2359 SETERRNO(EBADF,SS$_IVCHAN);
2362 DIE(aTHX_ PL_no_sock_func, "connect");
2372 register IO *io = gv ? GvIOn(gv) : NULL;
2374 if (!gv || !io || !IoIFP(io))
2377 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2383 if (ckWARN(WARN_CLOSED))
2384 report_evil_fh(gv, io, PL_op->op_type);
2385 SETERRNO(EBADF,SS$_IVCHAN);
2388 DIE(aTHX_ PL_no_sock_func, "listen");
2400 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2401 Sock_size_t len = sizeof saddr;
2413 if (!gstio || !IoIFP(gstio))
2418 do_close(ngv, FALSE);
2420 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2423 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2424 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2425 IoTYPE(nstio) = IoTYPE_SOCKET;
2426 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2427 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2428 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2429 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2432 #if defined(HAS_FCNTL) && defined(F_SETFD)
2433 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2437 len = sizeof saddr; /* EPOC somehow truncates info */
2440 PUSHp((char *)&saddr, len);
2444 if (ckWARN(WARN_CLOSED))
2445 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2446 SETERRNO(EBADF,SS$_IVCHAN);
2452 DIE(aTHX_ PL_no_sock_func, "accept");
2462 register IO *io = GvIOn(gv);
2464 if (!io || !IoIFP(io))
2467 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2471 if (ckWARN(WARN_CLOSED))
2472 report_evil_fh(gv, io, PL_op->op_type);
2473 SETERRNO(EBADF,SS$_IVCHAN);
2476 DIE(aTHX_ PL_no_sock_func, "shutdown");
2483 return pp_ssockopt();
2485 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2493 int optype = PL_op->op_type;
2496 unsigned int optname;
2502 if (optype == OP_GSOCKOPT)
2503 sv = sv_2mortal(NEWSV(22, 257));
2506 optname = (unsigned int) POPi;
2507 lvl = (unsigned int) POPi;
2511 if (!io || !IoIFP(io))
2514 fd = PerlIO_fileno(IoIFP(io));
2518 (void)SvPOK_only(sv);
2522 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2537 aint = (int)SvIV(sv);
2541 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2550 if (ckWARN(WARN_CLOSED))
2551 report_evil_fh(gv, io, optype);
2552 SETERRNO(EBADF,SS$_IVCHAN);
2557 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2564 return pp_getpeername();
2566 DIE(aTHX_ PL_no_sock_func, "getsockname");
2574 int optype = PL_op->op_type;
2578 register IO *io = GvIOn(gv);
2581 if (!io || !IoIFP(io))
2584 sv = sv_2mortal(NEWSV(22, 257));
2585 (void)SvPOK_only(sv);
2589 fd = PerlIO_fileno(IoIFP(io));
2591 case OP_GETSOCKNAME:
2592 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2595 case OP_GETPEERNAME:
2596 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2598 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2600 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";
2601 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2602 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2603 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2604 sizeof(u_short) + sizeof(struct in_addr))) {
2611 #ifdef BOGUS_GETNAME_RETURN
2612 /* Interactive Unix, getpeername() and getsockname()
2613 does not return valid namelen */
2614 if (len == BOGUS_GETNAME_RETURN)
2615 len = sizeof(struct sockaddr);
2623 if (ckWARN(WARN_CLOSED))
2624 report_evil_fh(gv, io, optype);
2625 SETERRNO(EBADF,SS$_IVCHAN);
2630 DIE(aTHX_ PL_no_sock_func, "getpeername");
2649 if (PL_op->op_flags & OPf_REF) {
2651 if (PL_op->op_type == OP_LSTAT) {
2652 if (PL_laststype != OP_LSTAT)
2653 Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
2654 if (ckWARN(WARN_IO) && gv != PL_defgv)
2655 Perl_warner(aTHX_ WARN_IO,
2656 "lstat() on filehandle %s", GvENAME(gv));
2657 /* Perl_my_lstat (-l) croak's on filehandle, why warn here? */
2661 if (gv != PL_defgv) {
2662 PL_laststype = OP_STAT;
2664 sv_setpv(PL_statname, "");
2665 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2666 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2668 if (PL_laststatval < 0) {
2669 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2670 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2676 if (SvTYPE(sv) == SVt_PVGV) {
2680 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2684 sv_setpv(PL_statname, SvPV(sv,n_a));
2687 PL_laststype = PL_op->op_type;
2688 if (PL_op->op_type == OP_LSTAT)
2689 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2692 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2693 if (PL_laststatval < 0) {
2694 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2695 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2701 if (gimme != G_ARRAY) {
2702 if (gimme != G_VOID)
2703 XPUSHs(boolSV(max));
2709 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2710 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2711 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2712 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2713 #if Uid_t_size > IVSIZE
2714 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2716 # if Uid_t_sign <= 0
2717 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2719 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2722 #if Gid_t_size > IVSIZE
2723 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2725 # if Gid_t_sign <= 0
2726 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2728 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2731 #ifdef USE_STAT_RDEV
2732 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2734 PUSHs(sv_2mortal(newSVpvn("", 0)));
2736 #if Off_t_size > IVSIZE
2737 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2739 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2742 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2743 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2744 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2746 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2747 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2748 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2750 #ifdef USE_STAT_BLOCKS
2751 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2752 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2754 PUSHs(sv_2mortal(newSVpvn("", 0)));
2755 PUSHs(sv_2mortal(newSVpvn("", 0)));
2765 #if defined(HAS_ACCESS) && defined(R_OK)
2767 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2768 result = access(TOPpx, R_OK);
2783 if (cando(S_IRUSR, 0, &PL_statcache))
2792 #if defined(HAS_ACCESS) && defined(W_OK)
2794 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2795 result = access(TOPpx, W_OK);
2810 if (cando(S_IWUSR, 0, &PL_statcache))
2819 #if defined(HAS_ACCESS) && defined(X_OK)
2821 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2822 result = access(TOPpx, X_OK);
2837 if (cando(S_IXUSR, 0, &PL_statcache))
2846 #ifdef PERL_EFF_ACCESS_R_OK
2848 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2849 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2864 if (cando(S_IRUSR, 1, &PL_statcache))
2873 #ifdef PERL_EFF_ACCESS_W_OK
2875 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2876 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2891 if (cando(S_IWUSR, 1, &PL_statcache))
2900 #ifdef PERL_EFF_ACCESS_X_OK
2902 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2903 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2918 if (cando(S_IXUSR, 1, &PL_statcache))
2925 I32 result = my_stat();
2934 return pp_ftrowned();
2939 I32 result = my_stat();
2943 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2951 I32 result = my_stat();
2955 if (PL_statcache.st_size == 0)
2962 I32 result = my_stat();
2966 #if Off_t_size > IVSIZE
2967 PUSHn(PL_statcache.st_size);
2969 PUSHi(PL_statcache.st_size);
2976 I32 result = my_stat();
2980 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2986 I32 result = my_stat();
2990 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2996 I32 result = my_stat();
3000 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
3006 I32 result = my_stat();
3010 if (S_ISSOCK(PL_statcache.st_mode))
3017 I32 result = my_stat();
3021 if (S_ISCHR(PL_statcache.st_mode))
3028 I32 result = my_stat();
3032 if (S_ISBLK(PL_statcache.st_mode))
3039 I32 result = my_stat();
3043 if (S_ISREG(PL_statcache.st_mode))
3050 I32 result = my_stat();
3054 if (S_ISDIR(PL_statcache.st_mode))
3061 I32 result = my_stat();
3065 if (S_ISFIFO(PL_statcache.st_mode))
3072 I32 result = my_lstat();
3076 if (S_ISLNK(PL_statcache.st_mode))
3085 I32 result = my_stat();
3089 if (PL_statcache.st_mode & S_ISUID)
3099 I32 result = my_stat();
3103 if (PL_statcache.st_mode & S_ISGID)
3113 I32 result = my_stat();
3117 if (PL_statcache.st_mode & S_ISVTX)
3128 char *tmps = Nullch;
3131 if (PL_op->op_flags & OPf_REF)
3133 else if (isGV(TOPs))
3135 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3136 gv = (GV*)SvRV(POPs);
3138 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3140 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3141 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3142 else if (tmps && isDIGIT(*tmps))
3146 if (PerlLIO_isatty(fd))
3151 #if defined(atarist) /* this will work with atariST. Configure will
3152 make guesses for other systems. */
3153 # define FILE_base(f) ((f)->_base)
3154 # define FILE_ptr(f) ((f)->_ptr)
3155 # define FILE_cnt(f) ((f)->_cnt)
3156 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3166 register STDCHAR *s;
3173 if (PL_op->op_flags & OPf_REF)
3175 else if (isGV(TOPs))
3177 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3178 gv = (GV*)SvRV(POPs);
3184 if (gv == PL_defgv) {
3186 io = GvIO(PL_statgv);
3189 goto really_filename;
3194 PL_laststatval = -1;
3195 sv_setpv(PL_statname, "");
3196 io = GvIO(PL_statgv);
3198 if (io && IoIFP(io)) {
3199 if (! PerlIO_has_base(IoIFP(io)))
3200 DIE(aTHX_ "-T and -B not implemented on filehandles");
3201 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3202 if (PL_laststatval < 0)
3204 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3205 if (PL_op->op_type == OP_FTTEXT)
3209 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3210 i = PerlIO_getc(IoIFP(io));
3212 (void)PerlIO_ungetc(IoIFP(io),i);
3214 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3216 len = PerlIO_get_bufsiz(IoIFP(io));
3217 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3218 /* sfio can have large buffers - limit to 512 */
3223 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3225 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3227 SETERRNO(EBADF,RMS$_IFI);
3235 PL_laststatval = -1;
3236 sv_setpv(PL_statname, SvPV(sv, n_a));
3237 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3238 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3239 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3242 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3243 if (PL_laststatval < 0) {
3244 (void)PerlIO_close(fp);
3247 PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch);
3248 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3249 (void)PerlIO_close(fp);
3251 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3252 RETPUSHNO; /* special case NFS directories */
3253 RETPUSHYES; /* null file is anything */
3258 /* now scan s to look for textiness */
3259 /* XXX ASCII dependent code */
3261 #if defined(DOSISH) || defined(USEMYBINMODE)
3262 /* ignore trailing ^Z on short files */
3263 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3267 for (i = 0; i < len; i++, s++) {
3268 if (!*s) { /* null never allowed in text */
3273 else if (!(isPRINT(*s) || isSPACE(*s)))
3276 else if (*s & 128) {
3278 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3281 /* utf8 characters don't count as odd */
3282 if (UTF8_IS_START(*s)) {
3283 int ulen = UTF8SKIP(s);
3284 if (ulen < len - i) {
3286 for (j = 1; j < ulen; j++) {
3287 if (!UTF8_IS_CONTINUATION(s[j]))
3290 --ulen; /* loop does extra increment */
3300 *s != '\n' && *s != '\r' && *s != '\b' &&
3301 *s != '\t' && *s != '\f' && *s != 27)
3306 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3330 if (!tmps || !*tmps) {
3331 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3333 tmps = SvPV(*svp, n_a);
3335 if (!tmps || !*tmps) {
3336 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3338 tmps = SvPV(*svp, n_a);
3341 if (!tmps || !*tmps) {
3342 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3344 tmps = SvPV(*svp, n_a);
3347 TAINT_PROPER("chdir");
3348 PUSHi( PerlDir_chdir(tmps) >= 0 );
3350 /* Clear the DEFAULT element of ENV so we'll get the new value
3352 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3359 djSP; dMARK; dTARGET;
3362 value = (I32)apply(PL_op->op_type, MARK, SP);
3367 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3378 TAINT_PROPER("chroot");
3379 PUSHi( chroot(tmps) >= 0 );
3382 DIE(aTHX_ PL_no_func, "chroot");
3388 djSP; dMARK; dTARGET;
3390 value = (I32)apply(PL_op->op_type, MARK, SP);
3398 djSP; dMARK; dTARGET;
3400 value = (I32)apply(PL_op->op_type, MARK, SP);
3408 djSP; dMARK; dTARGET;
3410 value = (I32)apply(PL_op->op_type, MARK, SP);
3422 char *tmps2 = POPpx;
3423 char *tmps = SvPV(TOPs, n_a);
3424 TAINT_PROPER("rename");
3426 anum = PerlLIO_rename(tmps, tmps2);
3428 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3429 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3432 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3433 (void)UNLINK(tmps2);
3434 if (!(anum = link(tmps, tmps2)))
3435 anum = UNLINK(tmps);
3448 char *tmps2 = POPpx;
3449 char *tmps = SvPV(TOPs, n_a);
3450 TAINT_PROPER("link");
3451 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3453 DIE(aTHX_ PL_no_func, "Unsupported function link");
3463 char *tmps2 = POPpx;
3464 char *tmps = SvPV(TOPs, n_a);
3465 TAINT_PROPER("symlink");
3466 SETi( symlink(tmps, tmps2) >= 0 );
3469 DIE(aTHX_ PL_no_func, "symlink");
3478 char buf[MAXPATHLEN];
3482 #ifndef INCOMPLETE_TAINTS
3486 len = readlink(tmps, buf, sizeof buf);
3494 RETSETUNDEF; /* just pretend it's a normal file */
3498 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3500 S_dooneliner(pTHX_ char *cmd, char *filename)
3502 char *save_filename = filename;
3508 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3509 strcpy(cmdline, cmd);
3510 strcat(cmdline, " ");
3511 for (s = cmdline + strlen(cmdline); *filename; ) {
3516 myfp = PerlProc_popen(cmdline, "r");
3520 SV *tmpsv = sv_newmortal();
3521 /* Need to save/restore 'PL_rs' ?? */
3522 s = sv_gets(tmpsv, myfp, 0);
3523 (void)PerlProc_pclose(myfp);
3527 #ifdef HAS_SYS_ERRLIST
3532 /* you don't see this */
3534 #ifdef HAS_SYS_ERRLIST
3542 if (instr(s, errmsg)) {
3549 #define EACCES EPERM
3551 if (instr(s, "cannot make"))
3552 SETERRNO(EEXIST,RMS$_FEX);
3553 else if (instr(s, "existing file"))
3554 SETERRNO(EEXIST,RMS$_FEX);
3555 else if (instr(s, "ile exists"))
3556 SETERRNO(EEXIST,RMS$_FEX);
3557 else if (instr(s, "non-exist"))
3558 SETERRNO(ENOENT,RMS$_FNF);
3559 else if (instr(s, "does not exist"))
3560 SETERRNO(ENOENT,RMS$_FNF);
3561 else if (instr(s, "not empty"))
3562 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3563 else if (instr(s, "cannot access"))
3564 SETERRNO(EACCES,RMS$_PRV);
3566 SETERRNO(EPERM,RMS$_PRV);
3569 else { /* some mkdirs return no failure indication */
3570 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3571 if (PL_op->op_type == OP_RMDIR)
3576 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3601 tmps = SvPV(TOPs, len);
3602 /* Different operating and file systems take differently to
3603 * trailing slashes. To err on the side of portability, we
3604 * snip away one trailing slash. */
3605 if (tmps[len-1] == '/') {
3606 tmps = savepvn(tmps, len - 1);
3610 TAINT_PROPER("mkdir");
3612 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3614 SETi( dooneliner("mkdir", tmps) );
3615 oldumask = PerlLIO_umask(0);
3616 PerlLIO_umask(oldumask);
3617 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3631 TAINT_PROPER("rmdir");
3633 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3635 XPUSHi( dooneliner("rmdir", tmps) );
3640 /* Directory calls. */
3645 #if defined(Direntry_t) && defined(HAS_READDIR)
3647 char *dirname = POPpx;
3649 register IO *io = GvIOn(gv);
3655 PerlDir_close(IoDIRP(io));
3656 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3662 SETERRNO(EBADF,RMS$_DIR);
3665 DIE(aTHX_ PL_no_dir_func, "opendir");
3672 #if defined(Direntry_t) && defined(HAS_READDIR)
3674 Direntry_t *readdir (DIR *);
3676 register Direntry_t *dp;
3678 register IO *io = GvIOn(gv);
3681 if (!io || !IoDIRP(io))
3684 if (GIMME == G_ARRAY) {
3686 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3688 sv = newSVpvn(dp->d_name, dp->d_namlen);
3690 sv = newSVpv(dp->d_name, 0);
3692 #ifndef INCOMPLETE_TAINTS
3693 if (!(IoFLAGS(io) & IOf_UNTAINT))
3696 XPUSHs(sv_2mortal(sv));
3700 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3703 sv = newSVpvn(dp->d_name, dp->d_namlen);
3705 sv = newSVpv(dp->d_name, 0);
3707 #ifndef INCOMPLETE_TAINTS
3708 if (!(IoFLAGS(io) & IOf_UNTAINT))
3711 XPUSHs(sv_2mortal(sv));
3717 SETERRNO(EBADF,RMS$_ISI);
3718 if (GIMME == G_ARRAY)
3723 DIE(aTHX_ PL_no_dir_func, "readdir");
3730 #if defined(HAS_TELLDIR) || defined(telldir)
3731 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3732 /* XXX netbsd still seemed to.
3733 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3734 --JHI 1999-Feb-02 */
3735 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3736 long telldir (DIR *);
3739 register IO *io = GvIOn(gv);
3741 if (!io || !IoDIRP(io))
3744 PUSHi( PerlDir_tell(IoDIRP(io)) );
3748 SETERRNO(EBADF,RMS$_ISI);
3751 DIE(aTHX_ PL_no_dir_func, "telldir");
3758 #if defined(HAS_SEEKDIR) || defined(seekdir)
3761 register IO *io = GvIOn(gv);
3763 if (!io || !IoDIRP(io))
3766 (void)PerlDir_seek(IoDIRP(io), along);
3771 SETERRNO(EBADF,RMS$_ISI);
3774 DIE(aTHX_ PL_no_dir_func, "seekdir");
3781 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3783 register IO *io = GvIOn(gv);
3785 if (!io || !IoDIRP(io))
3788 (void)PerlDir_rewind(IoDIRP(io));
3792 SETERRNO(EBADF,RMS$_ISI);
3795 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3802 #if defined(Direntry_t) && defined(HAS_READDIR)
3804 register IO *io = GvIOn(gv);
3806 if (!io || !IoDIRP(io))
3809 #ifdef VOID_CLOSEDIR
3810 PerlDir_close(IoDIRP(io));
3812 if (PerlDir_close(IoDIRP(io)) < 0) {
3813 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3822 SETERRNO(EBADF,RMS$_IFI);
3825 DIE(aTHX_ PL_no_dir_func, "closedir");
3829 /* Process control. */
3839 PERL_FLUSHALL_FOR_CHILD;
3845 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3846 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3847 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3852 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3857 PERL_FLUSHALL_FOR_CHILD;
3858 childpid = PerlProc_fork();
3864 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3871 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3876 childpid = wait4pid(-1, &argflags, 0);
3877 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3878 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3879 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3881 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3886 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3892 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3900 childpid = wait4pid(childpid, &argflags, optype);
3901 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3902 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3903 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3905 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3910 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3916 djSP; dMARK; dORIGMARK; dTARGET;
3921 Sigsave_t ihand,qhand; /* place to save signals during system() */
3926 if (SP - MARK == 1) {
3928 char *junk = SvPV(TOPs, n_a);
3930 TAINT_PROPER("system");
3933 PERL_FLUSHALL_FOR_CHILD;
3934 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3935 if (PerlProc_pipe(pp) >= 0)
3937 while ((childpid = vfork()) == -1) {
3938 if (errno != EAGAIN) {
3943 PerlLIO_close(pp[0]);
3944 PerlLIO_close(pp[1]);
3952 PerlLIO_close(pp[1]);
3954 rsignal_save(SIGINT, SIG_IGN, &ihand);
3955 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3958 result = wait4pid(childpid, &status, 0);
3959 } while (result == -1 && errno == EINTR);
3961 (void)rsignal_restore(SIGINT, &ihand);
3962 (void)rsignal_restore(SIGQUIT, &qhand);
3964 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3965 do_execfree(); /* free any memory child malloced on vfork */
3971 while (n < sizeof(int)) {
3972 n1 = PerlLIO_read(pp[0],
3973 (void*)(((char*)&errkid)+n),
3979 PerlLIO_close(pp[0]);
3980 if (n) { /* Error */
3981 if (n != sizeof(int))
3982 DIE(aTHX_ "panic: kid popen errno read");
3983 errno = errkid; /* Propagate errno from kid */
3984 STATUS_CURRENT = -1;
3987 PUSHi(STATUS_CURRENT);
3991 PerlLIO_close(pp[0]);
3992 #if defined(HAS_FCNTL) && defined(F_SETFD)
3993 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3996 if (PL_op->op_flags & OPf_STACKED) {
3997 SV *really = *++MARK;
3998 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
4000 else if (SP - MARK != 1)
4001 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
4003 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
4006 #else /* ! FORK or VMS or OS/2 */
4009 if (PL_op->op_flags & OPf_STACKED) {
4010 SV *really = *++MARK;
4011 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
4013 else if (SP - MARK != 1)
4014 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
4016 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
4018 if (PL_statusvalue == -1) /* hint that value must be returned as is */
4020 STATUS_NATIVE_SET(value);
4023 PUSHi(result ? value : STATUS_CURRENT);
4024 #endif /* !FORK or VMS */
4030 djSP; dMARK; dORIGMARK; dTARGET;
4034 PERL_FLUSHALL_FOR_CHILD;
4035 if (PL_op->op_flags & OPf_STACKED) {
4036 SV *really = *++MARK;
4037 value = (I32)do_aexec(really, MARK, SP);
4039 else if (SP - MARK != 1)
4041 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
4045 (void ) do_aspawn(Nullsv, MARK, SP);
4049 value = (I32)do_aexec(Nullsv, MARK, SP);
4054 char *junk = SvPV(*SP, n_a);
4056 TAINT_PROPER("exec");
4059 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4062 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
4065 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4070 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
4082 djSP; dMARK; dTARGET;
4085 value = (I32)apply(PL_op->op_type, MARK, SP);
4090 DIE(aTHX_ PL_no_func, "Unsupported function kill");
4098 XPUSHi( getppid() );
4101 DIE(aTHX_ PL_no_func, "getppid");
4117 pgrp = (I32)BSD_GETPGRP(pid);
4119 if (pid != 0 && pid != PerlProc_getpid())
4120 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4126 DIE(aTHX_ PL_no_func, "getpgrp()");
4145 TAINT_PROPER("setpgrp");
4147 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4149 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4150 || (pid != 0 && pid != PerlProc_getpid()))
4152 DIE(aTHX_ "setpgrp can't take arguments");
4154 SETi( setpgrp() >= 0 );
4155 #endif /* USE_BSDPGRP */
4158 DIE(aTHX_ PL_no_func, "setpgrp()");
4167 #ifdef HAS_GETPRIORITY
4170 SETi( getpriority(which, who) );
4173 DIE(aTHX_ PL_no_func, "getpriority()");
4183 #ifdef HAS_SETPRIORITY
4187 TAINT_PROPER("setpriority");
4188 SETi( setpriority(which, who, niceval) >= 0 );
4191 DIE(aTHX_ PL_no_func, "setpriority()");
4201 XPUSHn( time(Null(Time_t*)) );
4203 XPUSHi( time(Null(Time_t*)) );
4208 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4209 to HZ. Probably. For now, assume that if the system
4210 defines HZ, it does so correctly. (Will this break
4212 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4213 it's supported. --AD 9/96.
4229 DIE(aTHX_ "times not implemented");
4234 (void)PerlProc_times(&PL_timesbuf);
4236 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4237 /* struct tms, though same data */
4241 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4242 if (GIMME == G_ARRAY) {
4243 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4244 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4245 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4248 #endif /* HAS_TIMES */
4261 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4262 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4263 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4269 when = (Time_t)SvNVx(POPs);
4271 when = (Time_t)SvIVx(POPs);
4274 if (PL_op->op_type == OP_LOCALTIME)
4275 tmbuf = localtime(&when);
4277 tmbuf = gmtime(&when);
4281 if (GIMME != G_ARRAY) {
4285 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4286 dayname[tmbuf->tm_wday],
4287 monname[tmbuf->tm_mon],
4292 tmbuf->tm_year + 1900);
4293 PUSHs(sv_2mortal(tsv));
4296 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4297 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4298 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4299 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4300 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4301 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4302 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4303 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4304 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4315 anum = alarm((unsigned int)anum);
4322 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4333 (void)time(&lasttime);
4338 PerlProc_sleep((unsigned int)duration);
4341 XPUSHi(when - lasttime);
4345 /* Shared memory. */
4359 return pp_shmwrite();
4364 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4365 djSP; dMARK; dTARGET;
4366 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4375 /* Message passing. */
4389 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4390 djSP; dMARK; dTARGET;
4391 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4402 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4403 djSP; dMARK; dTARGET;
4404 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4417 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4418 djSP; dMARK; dTARGET;
4419 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4426 DIE(aTHX_ "System V IPC is not implemented on this machine");
4432 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4433 djSP; dMARK; dTARGET;
4434 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4442 PUSHp(zero_but_true, ZBTLEN);
4452 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4453 djSP; dMARK; dTARGET;
4454 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4463 /* Get system info. */
4467 #ifdef HAS_GETHOSTBYNAME
4468 return pp_ghostent();
4470 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4476 #ifdef HAS_GETHOSTBYADDR
4477 return pp_ghostent();
4479 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4486 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4487 I32 which = PL_op->op_type;
4488 register char **elem;
4490 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4491 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4492 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4493 struct hostent *PerlSock_gethostent(void);
4495 struct hostent *hent;
4500 if (which == OP_GHBYNAME)
4501 #ifdef HAS_GETHOSTBYNAME
4502 hent = PerlSock_gethostbyname(POPpx);
4504 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4506 else if (which == OP_GHBYADDR) {
4507 #ifdef HAS_GETHOSTBYADDR
4508 int addrtype = POPi;
4511 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4513 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4515 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4519 #ifdef HAS_GETHOSTENT
4520 hent = PerlSock_gethostent();
4522 DIE(aTHX_ PL_no_sock_func, "gethostent");
4525 #ifdef HOST_NOT_FOUND
4527 STATUS_NATIVE_SET(h_errno);
4530 if (GIMME != G_ARRAY) {
4531 PUSHs(sv = sv_newmortal());
4533 if (which == OP_GHBYNAME) {
4535 sv_setpvn(sv, hent->h_addr, hent->h_length);
4538 sv_setpv(sv, (char*)hent->h_name);
4544 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4545 sv_setpv(sv, (char*)hent->h_name);
4546 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4547 for (elem = hent->h_aliases; elem && *elem; elem++) {
4548 sv_catpv(sv, *elem);
4550 sv_catpvn(sv, " ", 1);
4552 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4553 sv_setiv(sv, (IV)hent->h_addrtype);
4554 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4555 len = hent->h_length;
4556 sv_setiv(sv, (IV)len);
4558 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4559 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4560 sv_setpvn(sv, *elem, len);
4563 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4565 sv_setpvn(sv, hent->h_addr, len);
4570 DIE(aTHX_ PL_no_sock_func, "gethostent");
4576 #ifdef HAS_GETNETBYNAME
4577 return pp_gnetent();
4579 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4585 #ifdef HAS_GETNETBYADDR
4586 return pp_gnetent();
4588 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4595 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4596 I32 which = PL_op->op_type;
4597 register char **elem;
4599 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4600 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4601 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4602 struct netent *PerlSock_getnetent(void);
4604 struct netent *nent;
4607 if (which == OP_GNBYNAME)
4608 #ifdef HAS_GETNETBYNAME
4609 nent = PerlSock_getnetbyname(POPpx);
4611 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4613 else if (which == OP_GNBYADDR) {
4614 #ifdef HAS_GETNETBYADDR
4615 int addrtype = POPi;
4616 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4617 nent = PerlSock_getnetbyaddr(addr, addrtype);
4619 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4623 #ifdef HAS_GETNETENT
4624 nent = PerlSock_getnetent();
4626 DIE(aTHX_ PL_no_sock_func, "getnetent");
4630 if (GIMME != G_ARRAY) {
4631 PUSHs(sv = sv_newmortal());
4633 if (which == OP_GNBYNAME)
4634 sv_setiv(sv, (IV)nent->n_net);
4636 sv_setpv(sv, nent->n_name);
4642 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4643 sv_setpv(sv, nent->n_name);
4644 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4645 for (elem = nent->n_aliases; elem && *elem; elem++) {
4646 sv_catpv(sv, *elem);
4648 sv_catpvn(sv, " ", 1);
4650 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4651 sv_setiv(sv, (IV)nent->n_addrtype);
4652 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4653 sv_setiv(sv, (IV)nent->n_net);
4658 DIE(aTHX_ PL_no_sock_func, "getnetent");
4664 #ifdef HAS_GETPROTOBYNAME
4665 return pp_gprotoent();
4667 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4673 #ifdef HAS_GETPROTOBYNUMBER
4674 return pp_gprotoent();
4676 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4683 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4684 I32 which = PL_op->op_type;
4685 register char **elem;
4687 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4688 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4689 struct protoent *PerlSock_getprotobynumber(int);
4690 struct protoent *PerlSock_getprotoent(void);
4692 struct protoent *pent;
4695 if (which == OP_GPBYNAME)
4696 #ifdef HAS_GETPROTOBYNAME
4697 pent = PerlSock_getprotobyname(POPpx);
4699 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4701 else if (which == OP_GPBYNUMBER)
4702 #ifdef HAS_GETPROTOBYNUMBER
4703 pent = PerlSock_getprotobynumber(POPi);
4705 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4708 #ifdef HAS_GETPROTOENT
4709 pent = PerlSock_getprotoent();
4711 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4715 if (GIMME != G_ARRAY) {
4716 PUSHs(sv = sv_newmortal());
4718 if (which == OP_GPBYNAME)
4719 sv_setiv(sv, (IV)pent->p_proto);
4721 sv_setpv(sv, pent->p_name);
4727 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4728 sv_setpv(sv, pent->p_name);
4729 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4730 for (elem = pent->p_aliases; elem && *elem; elem++) {
4731 sv_catpv(sv, *elem);
4733 sv_catpvn(sv, " ", 1);
4735 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4736 sv_setiv(sv, (IV)pent->p_proto);
4741 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4747 #ifdef HAS_GETSERVBYNAME
4748 return pp_gservent();
4750 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4756 #ifdef HAS_GETSERVBYPORT
4757 return pp_gservent();
4759 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4766 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4767 I32 which = PL_op->op_type;
4768 register char **elem;
4770 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4771 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4772 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4773 struct servent *PerlSock_getservent(void);
4775 struct servent *sent;
4778 if (which == OP_GSBYNAME) {
4779 #ifdef HAS_GETSERVBYNAME
4780 char *proto = POPpx;
4783 if (proto && !*proto)
4786 sent = PerlSock_getservbyname(name, proto);
4788 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4791 else if (which == OP_GSBYPORT) {
4792 #ifdef HAS_GETSERVBYPORT
4793 char *proto = POPpx;
4794 unsigned short port = POPu;
4797 port = PerlSock_htons(port);
4799 sent = PerlSock_getservbyport(port, proto);
4801 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4805 #ifdef HAS_GETSERVENT
4806 sent = PerlSock_getservent();
4808 DIE(aTHX_ PL_no_sock_func, "getservent");
4812 if (GIMME != G_ARRAY) {
4813 PUSHs(sv = sv_newmortal());
4815 if (which == OP_GSBYNAME) {
4817 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4819 sv_setiv(sv, (IV)(sent->s_port));
4823 sv_setpv(sv, sent->s_name);
4829 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4830 sv_setpv(sv, sent->s_name);
4831 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4832 for (elem = sent->s_aliases; elem && *elem; elem++) {
4833 sv_catpv(sv, *elem);
4835 sv_catpvn(sv, " ", 1);
4837 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4839 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4841 sv_setiv(sv, (IV)(sent->s_port));
4843 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4844 sv_setpv(sv, sent->s_proto);
4849 DIE(aTHX_ PL_no_sock_func, "getservent");
4856 #ifdef HAS_SETHOSTENT
4857 PerlSock_sethostent(TOPi);
4860 DIE(aTHX_ PL_no_sock_func, "sethostent");
4867 #ifdef HAS_SETNETENT
4868 PerlSock_setnetent(TOPi);
4871 DIE(aTHX_ PL_no_sock_func, "setnetent");
4878 #ifdef HAS_SETPROTOENT
4879 PerlSock_setprotoent(TOPi);
4882 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4889 #ifdef HAS_SETSERVENT
4890 PerlSock_setservent(TOPi);
4893 DIE(aTHX_ PL_no_sock_func, "setservent");
4900 #ifdef HAS_ENDHOSTENT
4901 PerlSock_endhostent();
4905 DIE(aTHX_ PL_no_sock_func, "endhostent");
4912 #ifdef HAS_ENDNETENT
4913 PerlSock_endnetent();
4917 DIE(aTHX_ PL_no_sock_func, "endnetent");
4924 #ifdef HAS_ENDPROTOENT
4925 PerlSock_endprotoent();
4929 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4936 #ifdef HAS_ENDSERVENT
4937 PerlSock_endservent();
4941 DIE(aTHX_ PL_no_sock_func, "endservent");
4950 DIE(aTHX_ PL_no_func, "getpwnam");
4959 DIE(aTHX_ PL_no_func, "getpwuid");
4967 I32 which = PL_op->op_type;
4970 struct passwd *pwent = NULL;
4972 * We currently support only the SysV getsp* shadow password interface.
4973 * The interface is declared in <shadow.h> and often one needs to link
4974 * with -lsecurity or some such.
4975 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
4978 * AIX getpwnam() is clever enough to return the encrypted password
4979 * only if the caller (euid?) is root.
4981 * There are at least two other shadow password APIs. Many platforms
4982 * seem to contain more than one interface for accessing the shadow
4983 * password databases, possibly for compatibility reasons.
4984 * The getsp*() is by far he simplest one, the other two interfaces
4985 * are much more complicated, but also very similar to each other.
4990 * struct pr_passwd *getprpw*();
4991 * The password is in
4992 * char getprpw*(...).ufld.fd_encrypt[]
4993 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
4998 * struct es_passwd *getespw*();
4999 * The password is in
5000 * char *(getespw*(...).ufld.fd_encrypt)
5001 * Mention HAS_GETESPWNAM here so that Configure probes for it.
5003 * Mention I_PROT here so that Configure probes for it.
5005 * In HP-UX for getprpw*() the manual page claims that one should include
5006 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
5007 * if one includes <shadow.h> as that includes <hpsecurity.h>,
5008 * and pp_sys.c already includes <shadow.h> if there is such.
5010 * Note that <sys/security.h> is already probed for, but currently
5011 * it is only included in special cases.
5013 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
5014 * be preferred interface, even though also the getprpw*() interface
5015 * is available) one needs to link with -lsecurity -ldb -laud -lm.
5016 * One also needs to call set_auth_parameters() in main() before
5017 * doing anything else, whether one is using getespw*() or getprpw*().
5019 * Note that accessing the shadow databases can be magnitudes
5020 * slower than accessing the standard databases.
5027 pwent = getpwnam(POPpx);
5030 pwent = getpwuid((Uid_t)POPi);
5033 # ifdef HAS_GETPWENT
5036 DIE(aTHX_ PL_no_func, "getpwent");
5042 if (GIMME != G_ARRAY) {
5043 PUSHs(sv = sv_newmortal());
5045 if (which == OP_GPWNAM)
5046 # if Uid_t_sign <= 0
5047 sv_setiv(sv, (IV)pwent->pw_uid);
5049 sv_setuv(sv, (UV)pwent->pw_uid);
5052 sv_setpv(sv, pwent->pw_name);
5058 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5059 sv_setpv(sv, pwent->pw_name);
5061 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5063 /* If we have getspnam(), we try to dig up the shadow
5064 * password. If we are underprivileged, the shadow
5065 * interface will set the errno to EACCES or similar,
5066 * and return a null pointer. If this happens, we will
5067 * use the dummy password (usually "*" or "x") from the
5068 * standard password database.
5070 * In theory we could skip the shadow call completely
5071 * if euid != 0 but in practice we cannot know which
5072 * security measures are guarding the shadow databases
5073 * on a random platform.
5075 * Resist the urge to use additional shadow interfaces.
5076 * Divert the urge to writing an extension instead.
5079 # ifdef HAS_GETSPNAM
5081 struct spwd *spwent;
5082 int saverrno; /* Save and restore errno so that
5083 * underprivileged attempts seem
5084 * to have never made the unsccessful
5085 * attempt to retrieve the shadow password. */
5088 spwent = getspnam(pwent->pw_name);
5090 if (spwent && spwent->sp_pwdp)
5091 sv_setpv(sv, spwent->sp_pwdp);
5095 if (!SvPOK(sv)) /* Use the standard password, then. */
5096 sv_setpv(sv, pwent->pw_passwd);
5099 # ifndef INCOMPLETE_TAINTS
5100 /* passwd is tainted because user himself can diddle with it.
5101 * admittedly not much and in a very limited way, but nevertheless. */
5105 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5106 # if Uid_t_sign <= 0
5107 sv_setiv(sv, (IV)pwent->pw_uid);
5109 sv_setuv(sv, (UV)pwent->pw_uid);
5112 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5113 # if Uid_t_sign <= 0
5114 sv_setiv(sv, (IV)pwent->pw_gid);
5116 sv_setuv(sv, (UV)pwent->pw_gid);
5118 /* pw_change, pw_quota, and pw_age are mutually exclusive--
5119 * because of the poor interface of the Perl getpw*(),
5120 * not because there's some standard/convention saying so.
5121 * A better interface would have been to return a hash,
5122 * but we are accursed by our history, alas. --jhi. */
5123 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5125 sv_setiv(sv, (IV)pwent->pw_change);
5128 sv_setiv(sv, (IV)pwent->pw_quota);
5131 sv_setpv(sv, pwent->pw_age);
5136 /* pw_class and pw_comment are mutually exclusive--.
5137 * see the above note for pw_change, pw_quota, and pw_age. */
5138 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5140 sv_setpv(sv, pwent->pw_class);
5143 sv_setpv(sv, pwent->pw_comment);
5147 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5149 sv_setpv(sv, pwent->pw_gecos);
5151 # ifndef INCOMPLETE_TAINTS
5152 /* pw_gecos is tainted because user himself can diddle with it. */
5156 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5157 sv_setpv(sv, pwent->pw_dir);
5159 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5160 sv_setpv(sv, pwent->pw_shell);
5161 # ifndef INCOMPLETE_TAINTS
5162 /* pw_shell is tainted because user himself can diddle with it. */
5167 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5168 sv_setiv(sv, (IV)pwent->pw_expire);
5173 DIE(aTHX_ PL_no_func, "getpwent");
5180 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5184 DIE(aTHX_ PL_no_func, "setpwent");
5191 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5195 DIE(aTHX_ PL_no_func, "endpwent");
5204 DIE(aTHX_ PL_no_func, "getgrnam");
5213 DIE(aTHX_ PL_no_func, "getgrgid");
5221 I32 which = PL_op->op_type;
5222 register char **elem;
5224 struct group *grent;
5227 if (which == OP_GGRNAM)
5228 grent = (struct group *)getgrnam(POPpx);
5229 else if (which == OP_GGRGID)
5230 grent = (struct group *)getgrgid(POPi);
5233 grent = (struct group *)getgrent();
5235 DIE(aTHX_ PL_no_func, "getgrent");
5239 if (GIMME != G_ARRAY) {
5240 PUSHs(sv = sv_newmortal());
5242 if (which == OP_GGRNAM)
5243 sv_setiv(sv, (IV)grent->gr_gid);
5245 sv_setpv(sv, grent->gr_name);
5251 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5252 sv_setpv(sv, grent->gr_name);
5254 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5256 sv_setpv(sv, grent->gr_passwd);
5259 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5260 sv_setiv(sv, (IV)grent->gr_gid);
5262 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5263 for (elem = grent->gr_mem; elem && *elem; elem++) {
5264 sv_catpv(sv, *elem);
5266 sv_catpvn(sv, " ", 1);
5272 DIE(aTHX_ PL_no_func, "getgrent");
5279 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5283 DIE(aTHX_ PL_no_func, "setgrent");
5290 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5294 DIE(aTHX_ PL_no_func, "endgrent");
5304 if (!(tmps = PerlProc_getlogin()))
5306 PUSHp(tmps, strlen(tmps));
5309 DIE(aTHX_ PL_no_func, "getlogin");
5313 /* Miscellaneous. */
5318 djSP; dMARK; dORIGMARK; dTARGET;
5319 register I32 items = SP - MARK;
5320 unsigned long a[20];
5326 while (++MARK <= SP) {
5327 if (SvTAINTED(*MARK)) {
5333 TAINT_PROPER("syscall");
5336 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5337 * or where sizeof(long) != sizeof(char*). But such machines will
5338 * not likely have syscall implemented either, so who cares?
5340 while (++MARK <= SP) {
5341 if (SvNIOK(*MARK) || !i)
5342 a[i++] = SvIV(*MARK);
5343 else if (*MARK == &PL_sv_undef)
5346 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5352 DIE(aTHX_ "Too many args to syscall");
5354 DIE(aTHX_ "Too few args to syscall");
5356 retval = syscall(a[0]);
5359 retval = syscall(a[0],a[1]);
5362 retval = syscall(a[0],a[1],a[2]);
5365 retval = syscall(a[0],a[1],a[2],a[3]);
5368 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5371 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5374 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5377 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5381 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5384 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5387 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5391 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5395 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5399 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5400 a[10],a[11],a[12],a[13]);
5402 #endif /* atarist */
5408 DIE(aTHX_ PL_no_func, "syscall");
5412 #ifdef FCNTL_EMULATE_FLOCK
5414 /* XXX Emulate flock() with fcntl().
5415 What's really needed is a good file locking module.
5419 fcntl_emulate_flock(int fd, int operation)
5423 switch (operation & ~LOCK_NB) {
5425 flock.l_type = F_RDLCK;
5428 flock.l_type = F_WRLCK;
5431 flock.l_type = F_UNLCK;
5437 flock.l_whence = SEEK_SET;
5438 flock.l_start = flock.l_len = (Off_t)0;
5440 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5443 #endif /* FCNTL_EMULATE_FLOCK */
5445 #ifdef LOCKF_EMULATE_FLOCK
5447 /* XXX Emulate flock() with lockf(). This is just to increase
5448 portability of scripts. The calls are not completely
5449 interchangeable. What's really needed is a good file
5453 /* The lockf() constants might have been defined in <unistd.h>.
5454 Unfortunately, <unistd.h> causes troubles on some mixed
5455 (BSD/POSIX) systems, such as SunOS 4.1.3.
5457 Further, the lockf() constants aren't POSIX, so they might not be
5458 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5459 just stick in the SVID values and be done with it. Sigh.
5463 # define F_ULOCK 0 /* Unlock a previously locked region */
5466 # define F_LOCK 1 /* Lock a region for exclusive use */
5469 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5472 # define F_TEST 3 /* Test a region for other processes locks */
5476 lockf_emulate_flock(int fd, int operation)
5482 /* flock locks entire file so for lockf we need to do the same */
5484 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5485 if (pos > 0) /* is seekable and needs to be repositioned */
5486 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5487 pos = -1; /* seek failed, so don't seek back afterwards */
5490 switch (operation) {
5492 /* LOCK_SH - get a shared lock */
5494 /* LOCK_EX - get an exclusive lock */
5496 i = lockf (fd, F_LOCK, 0);
5499 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5500 case LOCK_SH|LOCK_NB:
5501 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5502 case LOCK_EX|LOCK_NB:
5503 i = lockf (fd, F_TLOCK, 0);
5505 if ((errno == EAGAIN) || (errno == EACCES))
5506 errno = EWOULDBLOCK;
5509 /* LOCK_UN - unlock (non-blocking is a no-op) */
5511 case LOCK_UN|LOCK_NB:
5512 i = lockf (fd, F_ULOCK, 0);
5515 /* Default - can't decipher operation */
5522 if (pos > 0) /* need to restore position of the handle */
5523 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5528 #endif /* LOCKF_EMULATE_FLOCK */