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__)
74 struct passwd *getpwnam (char *);
75 struct passwd *getpwuid (Uid_t);
79 struct passwd *getpwent (void);
87 struct group *getgrnam (char *);
88 struct group *getgrgid (Gid_t);
91 struct group *getgrent (void);
96 # if defined(_MSC_VER) || defined(__MINGW32__)
97 # include <sys/utime.h>
103 /* Put this after #includes because fork and vfork prototypes may conflict. */
109 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
112 # define my_chsize PerlLIO_chsize
117 #else /* no flock() */
119 /* fcntl.h might not have been included, even if it exists, because
120 the current Configure only sets I_FCNTL if it's needed to pick up
121 the *_OK constants. Make sure it has been included before testing
122 the fcntl() locking constants. */
123 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
127 # if defined(HAS_FCNTL) && defined(FCNTL_CAN_LOCK)
128 # define FLOCK fcntl_emulate_flock
129 # define FCNTL_EMULATE_FLOCK
130 # else /* no flock() or fcntl(F_SETLK,...) */
132 # define FLOCK lockf_emulate_flock
133 # define LOCKF_EMULATE_FLOCK
135 # endif /* no flock() or fcntl(F_SETLK,...) */
138 static int FLOCK (int, int);
141 * These are the flock() constants. Since this sytems doesn't have
142 * flock(), the values of the constants are probably not available.
156 # endif /* emulating flock() */
158 #endif /* no flock() */
161 static char zero_but_true[ZBTLEN + 1] = "0 but true";
163 #if defined(I_SYS_ACCESS) && !defined(R_OK)
164 # include <sys/access.h>
167 #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC)
168 # define FD_CLOEXEC 1 /* NeXT needs this */
171 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
172 #undef PERL_EFF_ACCESS_W_OK
173 #undef PERL_EFF_ACCESS_X_OK
175 /* F_OK unused: if stat() cannot find it... */
177 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
178 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
179 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
180 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
181 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
184 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
185 # ifdef I_SYS_SECURITY
186 # include <sys/security.h>
190 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
191 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
192 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
195 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
196 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
197 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
201 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
203 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
204 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
205 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
208 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
209 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
210 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
213 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
215 Uid_t ruid = getuid();
216 Uid_t euid = geteuid();
217 Gid_t rgid = getgid();
218 Gid_t egid = getegid();
222 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
223 Perl_croak(aTHX_ "switching effective uid is not implemented");
226 if (setreuid(euid, ruid))
229 if (setresuid(euid, ruid, (Uid_t)-1))
232 Perl_croak(aTHX_ "entering effective uid failed");
235 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
236 Perl_croak(aTHX_ "switching effective gid is not implemented");
239 if (setregid(egid, rgid))
242 if (setresgid(egid, rgid, (Gid_t)-1))
245 Perl_croak(aTHX_ "entering effective gid failed");
248 res = access(path, mode);
251 if (setreuid(ruid, euid))
254 if (setresuid(ruid, euid, (Uid_t)-1))
257 Perl_croak(aTHX_ "leaving effective uid failed");
260 if (setregid(rgid, egid))
263 if (setresgid(rgid, egid, (Gid_t)-1))
266 Perl_croak(aTHX_ "leaving effective gid failed");
271 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
272 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
273 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
276 #if !defined(PERL_EFF_ACCESS_R_OK)
278 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
280 Perl_croak(aTHX_ "switching effective uid is not implemented");
296 if (PL_op->op_private & OPpOPEN_IN_RAW)
298 else if (PL_op->op_private & OPpOPEN_IN_CRLF)
300 fp = PerlProc_popen(tmps, mode);
303 if (PL_curcop->cop_io) {
304 type = SvPV_nolen(PL_curcop->cop_io);
307 PerlIO_apply_layers(aTHX_ fp,mode,type);
309 if (gimme == G_VOID) {
311 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
315 else if (gimme == G_SCALAR) {
316 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
317 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
328 if (sv_gets(sv, fp, 0) == Nullch) {
332 XPUSHs(sv_2mortal(sv));
333 if (SvLEN(sv) - SvCUR(sv) > 20) {
334 SvLEN_set(sv, SvCUR(sv)+1);
335 Renew(SvPVX(sv), SvLEN(sv), char);
340 STATUS_NATIVE_SET(PerlProc_pclose(fp));
341 TAINT; /* "I believe that this is not gratuitous!" */
344 STATUS_NATIVE_SET(-1);
345 if (gimme == G_SCALAR)
355 tryAMAGICunTARGET(iter, -1);
357 /* Note that we only ever get here if File::Glob fails to load
358 * without at the same time croaking, for some reason, or if
359 * perl was built with PERL_EXTERNAL_GLOB */
366 * The external globbing program may use things we can't control,
367 * so for security reasons we must assume the worst.
370 taint_proper(PL_no_security, "glob");
374 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
375 PL_last_in_gv = (GV*)*PL_stack_sp--;
377 SAVESPTR(PL_rs); /* This is not permanent, either. */
378 PL_rs = sv_2mortal(newSVpvn("\000", 1));
381 *SvPVX(PL_rs) = '\n';
385 result = do_readline();
390 #if 0 /* XXX never used! */
394 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
395 return do_readline();
401 PL_last_in_gv = cGVOP_gv;
402 return do_readline();
411 if (SP - MARK != 1) {
413 do_join(TARG, &PL_sv_no, MARK, SP);
420 tmps = SvPV(tmpsv, len);
423 (void)SvUPGRADE(error, SVt_PV);
424 if (SvPOK(error) && SvCUR(error))
425 sv_catpv(error, "\t...caught");
427 tmps = SvPV(tmpsv, len);
430 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
432 Perl_warn(aTHX_ "%"SVf, tmpsv);
443 if (SP - MARK != 1) {
445 do_join(TARG, &PL_sv_no, MARK, SP);
447 tmps = SvPV(tmpsv, len);
453 tmps = (SvROK(tmpsv) && PL_in_eval) ? Nullch : SvPV(tmpsv, len);
457 (void)SvUPGRADE(error, SVt_PV);
458 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
460 SvSetSV(error,tmpsv);
461 else if (sv_isobject(error)) {
462 HV *stash = SvSTASH(SvRV(error));
463 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
465 SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0));
466 SV *line = sv_2mortal(newSVuv(CopLINE(PL_curcop)));
473 call_sv((SV*)GvCV(gv),
474 G_SCALAR|G_EVAL|G_KEEPERR);
475 sv_setsv(error,*PL_stack_sp--);
481 if (SvPOK(error) && SvCUR(error))
482 sv_catpv(error, "\t...propagated");
484 tmps = SvPV(tmpsv, len);
488 tmpsv = sv_2mortal(newSVpvn("Died", 4));
490 DIE(aTHX_ "%"SVf, tmpsv);
509 DIE(aTHX_ PL_no_usym, "filehandle");
511 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
513 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
514 /* Method's args are same as ours ... */
515 /* ... except handle is replaced by the object */
516 *MARK-- = SvTIED_obj((SV*)gv, mg);
520 call_method("OPEN", G_SCALAR);
533 tmps = SvPV(sv, len);
534 ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, MARK+1, (SP-MARK));
537 PUSHi( (I32)PL_forkprocess );
538 else if (PL_forkprocess == 0) /* we are a new child */
556 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
558 XPUSHs(SvTIED_obj((SV*)gv, mg));
561 call_method("CLOSE", G_SCALAR);
567 PUSHs(boolSV(do_close(gv, TRUE)));
587 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
588 DIE(aTHX_ PL_no_usym, "filehandle");
593 do_close(rgv, FALSE);
595 do_close(wgv, FALSE);
597 if (PerlProc_pipe(fd) < 0)
600 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
601 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
602 IoIFP(wstio) = IoOFP(wstio);
603 IoTYPE(rstio) = IoTYPE_RDONLY;
604 IoTYPE(wstio) = IoTYPE_WRONLY;
606 if (!IoIFP(rstio) || !IoOFP(wstio)) {
607 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
608 else PerlLIO_close(fd[0]);
609 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
610 else PerlLIO_close(fd[1]);
613 #if defined(HAS_FCNTL) && defined(F_SETFD)
614 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
615 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
622 DIE(aTHX_ PL_no_func, "pipe");
638 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
640 XPUSHs(SvTIED_obj((SV*)gv, mg));
643 call_method("FILENO", G_SCALAR);
649 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io))) {
650 /* Can't do this because people seem to do things like
651 defined(fileno($foo)) to check whether $foo is a valid fh.
652 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
653 report_evil_fh(gv, io, PL_op->op_type);
658 PUSHi(PerlIO_fileno(fp));
669 anum = PerlLIO_umask(0);
670 (void)PerlLIO_umask(anum);
673 anum = PerlLIO_umask(POPi);
674 TAINT_PROPER("umask");
677 /* Only DIE if trying to restrict permissions on `user' (self).
678 * Otherwise it's harmless and more useful to just return undef
679 * since 'group' and 'other' concepts probably don't exist here. */
680 if (MAXARG >= 1 && (POPi & 0700))
681 DIE(aTHX_ "umask not implemented");
682 XPUSHs(&PL_sv_undef);
706 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
708 XPUSHs(SvTIED_obj((SV*)gv, mg));
713 call_method("BINMODE", G_SCALAR);
720 if (!(io = GvIO(gv)) || !(fp = IoIFP(io))) {
721 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
722 report_evil_fh(gv, io, PL_op->op_type);
727 names = SvPV(discp,len);
730 if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp),
731 (discp) ? SvPV_nolen(discp) : Nullch))
745 I32 markoff = MARK - PL_stack_base;
752 switch(SvTYPE(varsv)) {
754 methname = "TIEHASH";
757 methname = "TIEARRAY";
760 #ifdef GV_SHARED_CHECK
761 if (GvSHARED((GV*)varsv)) {
762 Perl_croak(aTHX_ "Attempt to tie shared GV");
765 methname = "TIEHANDLE";
769 methname = "TIESCALAR";
774 if (sv_isobject(*MARK)) {
776 PUSHSTACKi(PERLSI_MAGIC);
782 call_method(methname, G_SCALAR);
785 /* Not clear why we don't call call_method here too.
786 * perhaps to get different error message ?
788 stash = gv_stashsv(*MARK, FALSE);
789 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
790 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
791 methname, SvPV(*MARK,n_a));
794 PUSHSTACKi(PERLSI_MAGIC);
800 call_sv((SV*)GvCV(gv), G_SCALAR);
806 if (sv_isobject(sv)) {
807 sv_unmagic(varsv, how);
808 /* Croak if a self-tie on an aggregate is attempted. */
809 if (varsv == SvRV(sv) &&
810 (SvTYPE(sv) == SVt_PVAV ||
811 SvTYPE(sv) == SVt_PVHV))
813 "Self-ties of arrays and hashes are not supported");
814 sv_magic(varsv, sv, how, Nullch, 0);
817 SP = PL_stack_base + markoff;
826 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
829 if ((mg = SvTIED_mg(sv, how))) {
830 SV *obj = SvRV(mg->mg_obj);
833 if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
834 isGV(gv) && (cv = GvCV(gv))) {
836 XPUSHs(SvTIED_obj((SV*)gv, mg));
837 XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
840 call_sv((SV *)cv, G_VOID);
844 else if (ckWARN(WARN_UNTIE)) {
845 if (mg && SvREFCNT(obj) > 1)
846 Perl_warner(aTHX_ WARN_UNTIE,
847 "untie attempted while %"UVuf" inner references still exist",
848 (UV)SvREFCNT(obj) - 1 ) ;
859 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
862 if ((mg = SvTIED_mg(sv, how))) {
863 SV *osv = SvTIED_obj(sv, mg);
864 if (osv == mg->mg_obj)
865 osv = sv_mortalcopy(osv);
883 sv = sv_mortalcopy(&PL_sv_no);
884 sv_setpv(sv, "AnyDBM_File");
885 stash = gv_stashsv(sv, FALSE);
886 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
888 require_pv("AnyDBM_File.pm");
890 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
891 DIE(aTHX_ "No dbm on this machine");
901 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
903 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
906 call_sv((SV*)GvCV(gv), G_SCALAR);
909 if (!sv_isobject(TOPs)) {
914 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
917 call_sv((SV*)GvCV(gv), G_SCALAR);
921 if (sv_isobject(TOPs)) {
922 sv_unmagic((SV *) hv, 'P');
923 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
945 struct timeval timebuf;
946 struct timeval *tbuf = &timebuf;
950 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
955 # if BYTEORDER & 0xf0000
956 # define ORDERBYTE (0x88888888 - BYTEORDER)
958 # define ORDERBYTE (0x4444 - BYTEORDER)
964 for (i = 1; i <= 3; i++) {
972 /* little endians can use vecs directly */
973 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
974 # if SELECT_MIN_BITS > 1
975 /* If SELECT_MIN_BITS is greater than one we most probably will want
976 * to align the sizes with SELECT_MIN_BITS/8 because for example
977 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
978 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
979 * on (sets/tests/clears bits) is 32 bits. */
980 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
982 growsize = sizeof(fd_set);
991 masksize = NFDBITS / NBBY;
993 masksize = sizeof(long); /* documented int, everyone seems to use long */
995 growsize = maxlen + (masksize - (maxlen % masksize));
996 Zero(&fd_sets[0], 4, char*);
1004 timebuf.tv_sec = (long)value;
1005 value -= (NV)timebuf.tv_sec;
1006 timebuf.tv_usec = (long)(value * 1000000.0);
1009 tbuf = Null(struct timeval*);
1011 for (i = 1; i <= 3; i++) {
1017 else if (!SvPOK(sv))
1018 SvPV_force(sv,n_a); /* force string conversion */
1021 Sv_Grow(sv, growsize);
1025 while (++j <= growsize) {
1029 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1031 New(403, fd_sets[i], growsize, char);
1032 for (offset = 0; offset < growsize; offset += masksize) {
1033 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1034 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1037 fd_sets[i] = SvPVX(sv);
1041 nfound = PerlSock_select(
1043 (Select_fd_set_t) fd_sets[1],
1044 (Select_fd_set_t) fd_sets[2],
1045 (Select_fd_set_t) fd_sets[3],
1047 for (i = 1; i <= 3; i++) {
1050 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1052 for (offset = 0; offset < growsize; offset += masksize) {
1053 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1054 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1056 Safefree(fd_sets[i]);
1063 if (GIMME == G_ARRAY && tbuf) {
1064 value = (NV)(timebuf.tv_sec) +
1065 (NV)(timebuf.tv_usec) / 1000000.0;
1066 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1067 sv_setnv(sv, value);
1071 DIE(aTHX_ "select not implemented");
1076 Perl_setdefout(pTHX_ GV *gv)
1079 (void)SvREFCNT_inc(gv);
1081 SvREFCNT_dec(PL_defoutgv);
1088 GV *newdefout, *egv;
1091 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1093 egv = GvEGV(PL_defoutgv);
1098 XPUSHs(&PL_sv_undef);
1100 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1101 if (gvp && *gvp == egv) {
1102 gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
1106 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1111 if (!GvIO(newdefout))
1112 gv_IOadd(newdefout);
1113 setdefout(newdefout);
1130 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1131 I32 gimme = GIMME_V;
1133 XPUSHs(SvTIED_obj((SV*)gv, mg));
1136 call_method("GETC", gimme);
1139 if (gimme == G_SCALAR)
1140 SvSetMagicSV_nosteal(TARG, TOPs);
1143 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1146 sv_setpv(TARG, " ");
1147 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1148 if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) {
1149 /* Find out how many bytes the char needs */
1150 Size_t len = UTF8SKIP(SvPVX(TARG));
1153 len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1);
1154 SvCUR_set(TARG,1+len);
1164 return pp_sysread();
1168 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1170 register PERL_CONTEXT *cx;
1171 I32 gimme = GIMME_V;
1172 AV* padlist = CvPADLIST(cv);
1173 SV** svp = AvARRAY(padlist);
1179 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1181 SAVEVPTR(PL_curpad);
1182 PL_curpad = AvARRAY((AV*)svp[1]);
1184 setdefout(gv); /* locally select filehandle so $% et al work */
1217 SV *tmpsv = sv_newmortal();
1218 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1219 name = SvPV_nolen(tmpsv);
1222 DIE(aTHX_ "Undefined format \"%s\" called", name);
1223 DIE(aTHX_ "Not a format reference");
1226 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1228 IoFLAGS(io) &= ~IOf_DIDTOP;
1229 return doform(cv,gv,PL_op->op_next);
1235 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1236 register IO *io = GvIOp(gv);
1237 PerlIO *ofp = IoOFP(io);
1241 register PERL_CONTEXT *cx;
1243 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1244 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1247 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1248 PL_formtarget != PL_toptarget)
1252 if (!IoTOP_GV(io)) {
1256 if (!IoTOP_NAME(io)) {
1257 if (!IoFMT_NAME(io))
1258 IoFMT_NAME(io) = savepv(GvNAME(gv));
1259 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1260 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1261 if ((topgv && GvFORM(topgv)) ||
1262 !gv_fetchpv("top",FALSE,SVt_PVFM))
1263 IoTOP_NAME(io) = savepv(SvPVX(topname));
1265 IoTOP_NAME(io) = savepv("top");
1267 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1268 if (!topgv || !GvFORM(topgv)) {
1269 IoLINES_LEFT(io) = 100000000;
1272 IoTOP_GV(io) = topgv;
1274 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1275 I32 lines = IoLINES_LEFT(io);
1276 char *s = SvPVX(PL_formtarget);
1277 if (lines <= 0) /* Yow, header didn't even fit!!! */
1279 while (lines-- > 0) {
1280 s = strchr(s, '\n');
1286 STRLEN save = SvCUR(PL_formtarget);
1287 SvCUR_set(PL_formtarget, s - SvPVX(PL_formtarget));
1288 do_print(PL_formtarget, ofp);
1289 SvCUR_set(PL_formtarget, save);
1290 sv_chop(PL_formtarget, s);
1291 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1294 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1295 do_print(PL_formfeed, ofp);
1296 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1298 PL_formtarget = PL_toptarget;
1299 IoFLAGS(io) |= IOf_DIDTOP;
1302 DIE(aTHX_ "bad top format reference");
1307 SV *sv = sv_newmortal();
1308 gv_efullname4(sv, fgv, Nullch, FALSE);
1309 name = SvPV_nolen(sv);
1312 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1315 DIE(aTHX_ "Undefined top format called");
1319 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1320 return doform(cv,gv,PL_op);
1324 POPBLOCK(cx,PL_curpm);
1330 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1332 /* integrate with report_evil_fh()? */
1335 SV* sv = sv_newmortal();
1336 gv_efullname4(sv, gv, Nullch, FALSE);
1337 name = SvPV_nolen(sv);
1340 Perl_warner(aTHX_ WARN_IO,
1341 "Filehandle %s opened only for input", name);
1343 Perl_warner(aTHX_ WARN_IO,
1344 "Filehandle opened only for input");
1346 else if (ckWARN(WARN_CLOSED))
1347 report_evil_fh(gv, io, PL_op->op_type);
1352 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1353 if (ckWARN(WARN_IO))
1354 Perl_warner(aTHX_ WARN_IO, "page overflow");
1356 if (!do_print(PL_formtarget, fp))
1359 FmLINES(PL_formtarget) = 0;
1360 SvCUR_set(PL_formtarget, 0);
1361 *SvEND(PL_formtarget) = '\0';
1362 if (IoFLAGS(io) & IOf_FLUSH)
1363 (void)PerlIO_flush(fp);
1368 PL_formtarget = PL_bodytarget;
1370 return pop_return();
1375 dSP; dMARK; dORIGMARK;
1382 if (PL_op->op_flags & OPf_STACKED)
1387 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1388 if (MARK == ORIGMARK) {
1391 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1395 *MARK = SvTIED_obj((SV*)gv, mg);
1398 call_method("PRINTF", G_SCALAR);
1401 MARK = ORIGMARK + 1;
1408 if (!(io = GvIO(gv))) {
1409 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1410 report_evil_fh(gv, io, PL_op->op_type);
1411 SETERRNO(EBADF,RMS$_IFI);
1414 else if (!(fp = IoOFP(io))) {
1415 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1416 /* integrate with report_evil_fh()? */
1420 gv_efullname4(sv, gv, Nullch, FALSE);
1421 name = SvPV_nolen(sv);
1424 Perl_warner(aTHX_ WARN_IO,
1425 "Filehandle %s opened only for input", name);
1427 Perl_warner(aTHX_ WARN_IO,
1428 "Filehandle opened only for input");
1430 else if (ckWARN(WARN_CLOSED))
1431 report_evil_fh(gv, io, PL_op->op_type);
1433 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1437 do_sprintf(sv, SP - MARK, MARK + 1);
1438 if (!do_print(sv, fp))
1441 if (IoFLAGS(io) & IOf_FLUSH)
1442 if (PerlIO_flush(fp) == EOF)
1453 PUSHs(&PL_sv_undef);
1474 /* Need TIEHANDLE method ? */
1476 tmps = SvPV(sv, len);
1477 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1478 IoLINES(GvIOp(gv)) = 0;
1482 PUSHs(&PL_sv_undef);
1489 dSP; dMARK; dORIGMARK; dTARGET;
1496 Sock_size_t bufsize;
1505 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1506 (mg = SvTIED_mg((SV*)gv, 'q')))
1511 *MARK = SvTIED_obj((SV*)gv, mg);
1513 call_method("READ", G_SCALAR);
1526 sv_setpvn(bufsv, "", 0);
1527 length = SvIVx(*++MARK);
1530 offset = SvIVx(*++MARK);
1534 if (!io || !IoIFP(io))
1536 if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTE) {
1537 buffer = SvPVutf8_force(bufsv, blen);
1538 /* UTF8 may not have been set if they are all low bytes */
1542 buffer = SvPV_force(bufsv, blen);
1545 DIE(aTHX_ "Negative length");
1549 if (PL_op->op_type == OP_RECV) {
1550 char namebuf[MAXPATHLEN];
1551 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1552 bufsize = sizeof (struct sockaddr_in);
1554 bufsize = sizeof namebuf;
1556 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1560 buffer = SvGROW(bufsv, length+1);
1561 /* 'offset' means 'flags' here */
1562 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1563 (struct sockaddr *)namebuf, &bufsize);
1567 /* Bogus return without padding */
1568 bufsize = sizeof (struct sockaddr_in);
1570 SvCUR_set(bufsv, count);
1571 *SvEND(bufsv) = '\0';
1572 (void)SvPOK_only(bufsv);
1576 /* This should not be marked tainted if the fp is marked clean */
1577 if (!(IoFLAGS(io) & IOf_UNTAINT))
1578 SvTAINTED_on(bufsv);
1580 sv_setpvn(TARG, namebuf, bufsize);
1585 if (PL_op->op_type == OP_RECV)
1586 DIE(aTHX_ PL_no_sock_func, "recv");
1588 if (DO_UTF8(bufsv)) {
1589 /* offset adjust in characters not bytes */
1590 blen = sv_len_utf8(bufsv);
1594 DIE(aTHX_ "Offset outside string");
1597 if (DO_UTF8(bufsv)) {
1598 /* convert offset-as-chars to offset-as-bytes */
1599 offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer;
1602 bufsize = SvCUR(bufsv);
1603 buffer = SvGROW(bufsv, length+offset+1);
1604 if (offset > bufsize) { /* Zero any newly allocated space */
1605 Zero(buffer+bufsize, offset-bufsize, char);
1607 buffer = buffer + offset;
1609 if (PL_op->op_type == OP_SYSREAD) {
1610 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1611 if (IoTYPE(io) == IoTYPE_SOCKET) {
1612 count = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1618 count = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1623 #ifdef HAS_SOCKET__bad_code_maybe
1624 if (IoTYPE(io) == IoTYPE_SOCKET) {
1625 char namebuf[MAXPATHLEN];
1626 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1627 bufsize = sizeof (struct sockaddr_in);
1629 bufsize = sizeof namebuf;
1631 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0,
1632 (struct sockaddr *)namebuf, &bufsize);
1637 count = PerlIO_read(IoIFP(io), buffer, length);
1638 /* PerlIO_read() - like fread() returns 0 on both error and EOF */
1639 if (count == 0 && PerlIO_error(IoIFP(io)))
1643 if ((IoTYPE(io) == IoTYPE_WRONLY) && ckWARN(WARN_IO))
1645 /* integrate with report_evil_fh()? */
1648 SV* sv = sv_newmortal();
1649 gv_efullname4(sv, gv, Nullch, FALSE);
1650 name = SvPV_nolen(sv);
1653 Perl_warner(aTHX_ WARN_IO,
1654 "Filehandle %s opened only for output", name);
1656 Perl_warner(aTHX_ WARN_IO,
1657 "Filehandle opened only for output");
1661 SvCUR_set(bufsv, count+(buffer - SvPVX(bufsv)));
1662 *SvEND(bufsv) = '\0';
1663 (void)SvPOK_only(bufsv);
1664 if (fp_utf8 && !IN_BYTE) {
1665 /* Look at utf8 we got back and count the characters */
1666 char *bend = buffer + count;
1667 while (buffer < bend) {
1668 STRLEN skip = UTF8SKIP(buffer);
1669 if (buffer+skip > bend) {
1670 /* partial character - try for rest of it */
1671 length = skip - (bend-buffer);
1672 offset = bend - SvPVX(bufsv);
1680 /* If we have not 'got' the number of _characters_ we 'wanted' get some more
1681 provided amount read (count) was what was requested (length)
1683 if (got < wanted && count == length) {
1684 length = (wanted-got);
1685 offset = bend - SvPVX(bufsv);
1688 /* return value is character count */
1693 /* This should not be marked tainted if the fp is marked clean */
1694 if (!(IoFLAGS(io) & IOf_UNTAINT))
1695 SvTAINTED_on(bufsv);
1708 int items = (SP - PL_stack_base) - TOPMARK;
1712 sv = sv_2mortal(newSViv(sv_len(*SP)));
1721 dSP; dMARK; dORIGMARK; dTARGET;
1732 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1736 *MARK = SvTIED_obj((SV*)gv, mg);
1738 call_method("WRITE", G_SCALAR);
1749 #if Size_t_size > IVSIZE
1750 length = (Size_t)SvNVx(*++MARK);
1752 length = (Size_t)SvIVx(*++MARK);
1754 if ((SSize_t)length < 0)
1755 DIE(aTHX_ "Negative length");
1758 if (!io || !IoIFP(io)) {
1760 if (ckWARN(WARN_CLOSED))
1761 report_evil_fh(gv, io, PL_op->op_type);
1765 if (PerlIO_isutf8(IoIFP(io))) {
1766 buffer = SvPVutf8(bufsv, blen);
1770 sv_utf8_downgrade(bufsv, FALSE);
1771 buffer = SvPV(bufsv, blen);
1774 if (PL_op->op_type == OP_SYSWRITE) {
1776 if (DO_UTF8(bufsv)) {
1777 /* length and offset are in chars */
1778 blen = sv_len_utf8(bufsv);
1781 offset = SvIVx(*++MARK);
1784 DIE(aTHX_ "Offset outside string");
1786 } else if (offset >= blen && blen > 0)
1787 DIE(aTHX_ "Offset outside string");
1790 if (length > blen - offset)
1791 length = blen - offset;
1792 if (DO_UTF8(bufsv)) {
1793 buffer = (char*)utf8_hop((U8 *)buffer, offset);
1794 length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer;
1797 buffer = buffer+offset;
1799 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1800 if (IoTYPE(io) == IoTYPE_SOCKET) {
1801 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1807 /* See the note at doio.c:do_print about filesize limits. --jhi */
1808 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1813 else if (SP > MARK) {
1816 sockbuf = SvPVx(*++MARK, mlen);
1817 /* length is really flags */
1818 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1819 length, (struct sockaddr *)sockbuf, mlen);
1822 /* length is really flags */
1823 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1826 DIE(aTHX_ PL_no_sock_func, "send");
1831 #if Size_t_size > IVSIZE
1845 return pp_sysread();
1855 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1857 gv = PL_last_in_gv = PL_argvgv;
1859 if (io && !IoIFP(io)) {
1860 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1862 IoFLAGS(io) &= ~IOf_START;
1863 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1864 sv_setpvn(GvSV(gv), "-", 1);
1865 SvSETMAGIC(GvSV(gv));
1867 else if (!nextargv(gv))
1872 gv = PL_last_in_gv; /* eof */
1875 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1877 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1879 XPUSHs(SvTIED_obj((SV*)gv, mg));
1882 call_method("EOF", G_SCALAR);
1888 PUSHs(boolSV(!gv || do_eof(gv)));
1901 gv = PL_last_in_gv = (GV*)POPs;
1903 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1905 XPUSHs(SvTIED_obj((SV*)gv, mg));
1908 call_method("TELL", G_SCALAR);
1914 #if LSEEKSIZE > IVSIZE
1915 PUSHn( do_tell(gv) );
1917 PUSHi( do_tell(gv) );
1924 return pp_sysseek();
1932 #if LSEEKSIZE > IVSIZE
1933 Off_t offset = (Off_t)SvNVx(POPs);
1935 Off_t offset = (Off_t)SvIVx(POPs);
1939 gv = PL_last_in_gv = (GV*)POPs;
1941 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1943 XPUSHs(SvTIED_obj((SV*)gv, mg));
1944 #if LSEEKSIZE > IVSIZE
1945 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1947 XPUSHs(sv_2mortal(newSViv(offset)));
1949 XPUSHs(sv_2mortal(newSViv(whence)));
1952 call_method("SEEK", G_SCALAR);
1958 if (PL_op->op_type == OP_SEEK)
1959 PUSHs(boolSV(do_seek(gv, offset, whence)));
1961 Off_t sought = do_sysseek(gv, offset, whence);
1963 PUSHs(&PL_sv_undef);
1966 #if LSEEKSIZE > IVSIZE
1971 : newSVpvn(zero_but_true, ZBTLEN);
1972 PUSHs(sv_2mortal(sv));
1981 /* There seems to be no consensus on the length type of truncate()
1982 * and ftruncate(), both off_t and size_t have supporters. In
1983 * general one would think that when using large files, off_t is
1984 * at least as wide as size_t, so using an off_t should be okay. */
1985 /* XXX Configure probe for the length type of *truncate() needed XXX */
1991 #if Size_t_size > IVSIZE
1996 /* Checking for length < 0 is problematic as the type might or
1997 * might not be signed: if it is not, clever compilers will moan. */
1998 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
2000 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
2001 if (PL_op->op_flags & OPf_SPECIAL) {
2002 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
2004 TAINT_PROPER("truncate");
2005 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
2008 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
2010 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
2012 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
2022 if (SvTYPE(sv) == SVt_PVGV) {
2023 tmpgv = (GV*)sv; /* *main::FRED for example */
2026 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2027 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
2031 name = SvPV(sv, n_a);
2032 TAINT_PROPER("truncate");
2034 if (truncate(name, len) < 0)
2039 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
2042 if (my_chsize(tmpfd, len) < 0)
2044 PerlLIO_close(tmpfd);
2053 SETERRNO(EBADF,RMS$_IFI);
2056 DIE(aTHX_ "truncate not implemented");
2069 unsigned int func = U_I(POPn);
2070 int optype = PL_op->op_type;
2074 IO *io = gv ? GvIOn(gv) : 0;
2076 if (!io || !argsv || !IoIFP(io)) {
2077 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2078 report_evil_fh(gv, io, PL_op->op_type);
2079 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
2083 if (SvPOK(argsv) || !SvNIOK(argsv)) {
2086 s = SvPV_force(argsv, len);
2087 need = IOCPARM_LEN(func);
2089 s = Sv_Grow(argsv, need + 1);
2090 SvCUR_set(argsv, need);
2093 s[SvCUR(argsv)] = 17; /* a little sanity check here */
2096 retval = SvIV(argsv);
2097 s = INT2PTR(char*,retval); /* ouch */
2100 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
2102 if (optype == OP_IOCTL)
2104 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
2106 DIE(aTHX_ "ioctl is not implemented");
2110 #if defined(OS2) && defined(__EMX__)
2111 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
2113 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2116 DIE(aTHX_ "fcntl is not implemented");
2120 if (s[SvCUR(argsv)] != 17)
2121 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2122 PL_op_name[optype]);
2123 s[SvCUR(argsv)] = 0; /* put our null back */
2124 SvSETMAGIC(argsv); /* Assume it has changed */
2133 PUSHp(zero_but_true, ZBTLEN);
2153 if (gv && (io = GvIO(gv)))
2160 (void)PerlIO_flush(fp);
2161 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2164 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2165 report_evil_fh(gv, io, PL_op->op_type);
2167 SETERRNO(EBADF,RMS$_IFI);
2172 DIE(aTHX_ PL_no_func, "flock()");
2184 int protocol = POPi;
2190 io = gv ? GvIOn(gv) : NULL;
2193 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2194 report_evil_fh(gv, io, PL_op->op_type);
2196 do_close(gv, FALSE);
2197 SETERRNO(EBADF,LIB$_INVARG);
2202 do_close(gv, FALSE);
2204 TAINT_PROPER("socket");
2205 fd = PerlSock_socket(domain, type, protocol);
2208 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2209 IoOFP(io) = PerlIO_fdopen(fd, "w");
2210 IoTYPE(io) = IoTYPE_SOCKET;
2211 if (!IoIFP(io) || !IoOFP(io)) {
2212 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2213 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2214 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2217 #if defined(HAS_FCNTL) && defined(F_SETFD)
2218 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2222 setbuf( IoIFP(io), NULL); /* EPOC gets confused about sockets */
2227 DIE(aTHX_ PL_no_sock_func, "socket");
2234 #ifdef HAS_SOCKETPAIR
2239 int protocol = POPi;
2246 io1 = gv1 ? GvIOn(gv1) : NULL;
2247 io2 = gv2 ? GvIOn(gv2) : NULL;
2248 if (!gv1 || !gv2 || !io1 || !io2) {
2249 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
2251 report_evil_fh(gv1, io1, PL_op->op_type);
2253 report_evil_fh(gv1, io2, PL_op->op_type);
2256 do_close(gv1, FALSE);
2258 do_close(gv2, FALSE);
2263 do_close(gv1, FALSE);
2265 do_close(gv2, FALSE);
2267 TAINT_PROPER("socketpair");
2268 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2270 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2271 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2272 IoTYPE(io1) = IoTYPE_SOCKET;
2273 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2274 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2275 IoTYPE(io2) = IoTYPE_SOCKET;
2276 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2277 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2278 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2279 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2280 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2281 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2282 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2285 #if defined(HAS_FCNTL) && defined(F_SETFD)
2286 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2287 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2292 DIE(aTHX_ PL_no_sock_func, "socketpair");
2300 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2301 extern GETPRIVMODE();
2302 extern GETUSERMODE();
2307 register IO *io = GvIOn(gv);
2311 int mpeprivmode = 0;
2314 if (!io || !IoIFP(io))
2317 addr = SvPV(addrsv, len);
2318 TAINT_PROPER("bind");
2319 #ifdef MPE /* Deal with MPE bind() peculiarities */
2320 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2321 /* The address *MUST* stupidly be zero. */
2322 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2323 /* PRIV mode is required to bind() to ports < 1024. */
2324 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2325 ((struct sockaddr_in *)addr)->sin_port > 0) {
2326 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2331 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2332 (struct sockaddr *)addr, len) >= 0)
2335 #ifdef MPE /* Switch back to USER mode */
2346 if (ckWARN(WARN_CLOSED))
2347 report_evil_fh(gv, io, PL_op->op_type);
2348 SETERRNO(EBADF,SS$_IVCHAN);
2351 DIE(aTHX_ PL_no_sock_func, "bind");
2362 register IO *io = GvIOn(gv);
2365 if (!io || !IoIFP(io))
2368 addr = SvPV(addrsv, len);
2369 TAINT_PROPER("connect");
2370 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2376 if (ckWARN(WARN_CLOSED))
2377 report_evil_fh(gv, io, PL_op->op_type);
2378 SETERRNO(EBADF,SS$_IVCHAN);
2381 DIE(aTHX_ PL_no_sock_func, "connect");
2391 register IO *io = gv ? GvIOn(gv) : NULL;
2393 if (!gv || !io || !IoIFP(io))
2396 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2402 if (ckWARN(WARN_CLOSED))
2403 report_evil_fh(gv, io, PL_op->op_type);
2404 SETERRNO(EBADF,SS$_IVCHAN);
2407 DIE(aTHX_ PL_no_sock_func, "listen");
2419 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2420 Sock_size_t len = sizeof saddr;
2432 if (!gstio || !IoIFP(gstio))
2437 do_close(ngv, FALSE);
2439 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2442 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2443 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2444 IoTYPE(nstio) = IoTYPE_SOCKET;
2445 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2446 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2447 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2448 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2451 #if defined(HAS_FCNTL) && defined(F_SETFD)
2452 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2456 len = sizeof saddr; /* EPOC somehow truncates info */
2457 setbuf( IoIFP(nstio), NULL); /* EPOC gets confused about sockets */
2460 PUSHp((char *)&saddr, len);
2464 if (ckWARN(WARN_CLOSED))
2465 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2466 SETERRNO(EBADF,SS$_IVCHAN);
2472 DIE(aTHX_ PL_no_sock_func, "accept");
2482 register IO *io = GvIOn(gv);
2484 if (!io || !IoIFP(io))
2487 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2491 if (ckWARN(WARN_CLOSED))
2492 report_evil_fh(gv, io, PL_op->op_type);
2493 SETERRNO(EBADF,SS$_IVCHAN);
2496 DIE(aTHX_ PL_no_sock_func, "shutdown");
2503 return pp_ssockopt();
2505 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2513 int optype = PL_op->op_type;
2516 unsigned int optname;
2522 if (optype == OP_GSOCKOPT)
2523 sv = sv_2mortal(NEWSV(22, 257));
2526 optname = (unsigned int) POPi;
2527 lvl = (unsigned int) POPi;
2531 if (!io || !IoIFP(io))
2534 fd = PerlIO_fileno(IoIFP(io));
2538 (void)SvPOK_only(sv);
2542 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2557 aint = (int)SvIV(sv);
2561 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2570 if (ckWARN(WARN_CLOSED))
2571 report_evil_fh(gv, io, optype);
2572 SETERRNO(EBADF,SS$_IVCHAN);
2577 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2584 return pp_getpeername();
2586 DIE(aTHX_ PL_no_sock_func, "getsockname");
2594 int optype = PL_op->op_type;
2598 register IO *io = GvIOn(gv);
2601 if (!io || !IoIFP(io))
2604 sv = sv_2mortal(NEWSV(22, 257));
2605 (void)SvPOK_only(sv);
2609 fd = PerlIO_fileno(IoIFP(io));
2611 case OP_GETSOCKNAME:
2612 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2615 case OP_GETPEERNAME:
2616 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2618 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2620 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";
2621 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2622 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2623 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2624 sizeof(u_short) + sizeof(struct in_addr))) {
2631 #ifdef BOGUS_GETNAME_RETURN
2632 /* Interactive Unix, getpeername() and getsockname()
2633 does not return valid namelen */
2634 if (len == BOGUS_GETNAME_RETURN)
2635 len = sizeof(struct sockaddr);
2643 if (ckWARN(WARN_CLOSED))
2644 report_evil_fh(gv, io, optype);
2645 SETERRNO(EBADF,SS$_IVCHAN);
2650 DIE(aTHX_ PL_no_sock_func, "getpeername");
2669 if (PL_op->op_flags & OPf_REF) {
2671 if (PL_op->op_type == OP_LSTAT) {
2672 if (PL_laststype != OP_LSTAT)
2673 Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
2674 if (ckWARN(WARN_IO) && gv != PL_defgv)
2675 Perl_warner(aTHX_ WARN_IO,
2676 "lstat() on filehandle %s", GvENAME(gv));
2677 /* Perl_my_lstat (-l) croak's on filehandle, why warn here? */
2681 if (gv != PL_defgv) {
2682 PL_laststype = OP_STAT;
2684 sv_setpv(PL_statname, "");
2685 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2686 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2688 if (PL_laststatval < 0) {
2689 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2690 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2696 if (SvTYPE(sv) == SVt_PVGV) {
2700 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2704 sv_setpv(PL_statname, SvPV(sv,n_a));
2707 PL_laststype = PL_op->op_type;
2708 if (PL_op->op_type == OP_LSTAT)
2709 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2712 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2713 if (PL_laststatval < 0) {
2714 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2715 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2721 if (gimme != G_ARRAY) {
2722 if (gimme != G_VOID)
2723 XPUSHs(boolSV(max));
2729 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2730 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2731 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2732 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2733 #if Uid_t_size > IVSIZE
2734 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2736 # if Uid_t_sign <= 0
2737 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2739 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2742 #if Gid_t_size > IVSIZE
2743 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2745 # if Gid_t_sign <= 0
2746 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2748 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2751 #ifdef USE_STAT_RDEV
2752 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2754 PUSHs(sv_2mortal(newSVpvn("", 0)));
2756 #if Off_t_size > IVSIZE
2757 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2759 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2762 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2763 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2764 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2766 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2767 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2768 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2770 #ifdef USE_STAT_BLOCKS
2771 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2772 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2774 PUSHs(sv_2mortal(newSVpvn("", 0)));
2775 PUSHs(sv_2mortal(newSVpvn("", 0)));
2785 #if defined(HAS_ACCESS) && defined(R_OK)
2787 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2788 result = access(TOPpx, R_OK);
2803 if (cando(S_IRUSR, 0, &PL_statcache))
2812 #if defined(HAS_ACCESS) && defined(W_OK)
2814 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2815 result = access(TOPpx, W_OK);
2830 if (cando(S_IWUSR, 0, &PL_statcache))
2839 #if defined(HAS_ACCESS) && defined(X_OK)
2841 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2842 result = access(TOPpx, X_OK);
2857 if (cando(S_IXUSR, 0, &PL_statcache))
2866 #ifdef PERL_EFF_ACCESS_R_OK
2868 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2869 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2884 if (cando(S_IRUSR, 1, &PL_statcache))
2893 #ifdef PERL_EFF_ACCESS_W_OK
2895 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2896 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2911 if (cando(S_IWUSR, 1, &PL_statcache))
2920 #ifdef PERL_EFF_ACCESS_X_OK
2922 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2923 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2938 if (cando(S_IXUSR, 1, &PL_statcache))
2945 I32 result = my_stat();
2954 return pp_ftrowned();
2959 I32 result = my_stat();
2963 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2971 I32 result = my_stat();
2975 if (PL_statcache.st_size == 0)
2982 I32 result = my_stat();
2986 #if Off_t_size > IVSIZE
2987 PUSHn(PL_statcache.st_size);
2989 PUSHi(PL_statcache.st_size);
2996 I32 result = my_stat();
3000 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
3006 I32 result = my_stat();
3010 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
3016 I32 result = my_stat();
3020 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
3026 I32 result = my_stat();
3030 if (S_ISSOCK(PL_statcache.st_mode))
3037 I32 result = my_stat();
3041 if (S_ISCHR(PL_statcache.st_mode))
3048 I32 result = my_stat();
3052 if (S_ISBLK(PL_statcache.st_mode))
3059 I32 result = my_stat();
3063 if (S_ISREG(PL_statcache.st_mode))
3070 I32 result = my_stat();
3074 if (S_ISDIR(PL_statcache.st_mode))
3081 I32 result = my_stat();
3085 if (S_ISFIFO(PL_statcache.st_mode))
3092 I32 result = my_lstat();
3096 if (S_ISLNK(PL_statcache.st_mode))
3105 I32 result = my_stat();
3109 if (PL_statcache.st_mode & S_ISUID)
3119 I32 result = my_stat();
3123 if (PL_statcache.st_mode & S_ISGID)
3133 I32 result = my_stat();
3137 if (PL_statcache.st_mode & S_ISVTX)
3148 char *tmps = Nullch;
3151 if (PL_op->op_flags & OPf_REF)
3153 else if (isGV(TOPs))
3155 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3156 gv = (GV*)SvRV(POPs);
3158 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3160 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3161 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3162 else if (tmps && isDIGIT(*tmps))
3166 if (PerlLIO_isatty(fd))
3171 #if defined(atarist) /* this will work with atariST. Configure will
3172 make guesses for other systems. */
3173 # define FILE_base(f) ((f)->_base)
3174 # define FILE_ptr(f) ((f)->_ptr)
3175 # define FILE_cnt(f) ((f)->_cnt)
3176 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3186 register STDCHAR *s;
3193 if (PL_op->op_flags & OPf_REF)
3195 else if (isGV(TOPs))
3197 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3198 gv = (GV*)SvRV(POPs);
3204 if (gv == PL_defgv) {
3206 io = GvIO(PL_statgv);
3209 goto really_filename;
3214 PL_laststatval = -1;
3215 sv_setpv(PL_statname, "");
3216 io = GvIO(PL_statgv);
3218 if (io && IoIFP(io)) {
3219 if (! PerlIO_has_base(IoIFP(io)))
3220 DIE(aTHX_ "-T and -B not implemented on filehandles");
3221 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3222 if (PL_laststatval < 0)
3224 if (S_ISDIR(PL_statcache.st_mode)) { /* handle NFS glitch */
3225 if (PL_op->op_type == OP_FTTEXT)
3230 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3231 i = PerlIO_getc(IoIFP(io));
3233 (void)PerlIO_ungetc(IoIFP(io),i);
3235 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3237 len = PerlIO_get_bufsiz(IoIFP(io));
3238 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3239 /* sfio can have large buffers - limit to 512 */
3244 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3246 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3248 SETERRNO(EBADF,RMS$_IFI);
3256 PL_laststatval = -1;
3257 sv_setpv(PL_statname, SvPV(sv, n_a));
3258 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3259 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3260 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3263 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3264 if (PL_laststatval < 0) {
3265 (void)PerlIO_close(fp);
3268 PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch);
3269 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3270 (void)PerlIO_close(fp);
3272 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3273 RETPUSHNO; /* special case NFS directories */
3274 RETPUSHYES; /* null file is anything */
3279 /* now scan s to look for textiness */
3280 /* XXX ASCII dependent code */
3282 #if defined(DOSISH) || defined(USEMYBINMODE)
3283 /* ignore trailing ^Z on short files */
3284 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3288 for (i = 0; i < len; i++, s++) {
3289 if (!*s) { /* null never allowed in text */
3294 else if (!(isPRINT(*s) || isSPACE(*s)))
3297 else if (*s & 128) {
3299 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3302 /* utf8 characters don't count as odd */
3303 if (UTF8_IS_START(*s)) {
3304 int ulen = UTF8SKIP(s);
3305 if (ulen < len - i) {
3307 for (j = 1; j < ulen; j++) {
3308 if (!UTF8_IS_CONTINUATION(s[j]))
3311 --ulen; /* loop does extra increment */
3321 *s != '\n' && *s != '\r' && *s != '\b' &&
3322 *s != '\t' && *s != '\f' && *s != 27)
3327 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3351 if (!tmps || !*tmps) {
3352 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3354 tmps = SvPV(*svp, n_a);
3356 if (!tmps || !*tmps) {
3357 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3359 tmps = SvPV(*svp, n_a);
3362 if (!tmps || !*tmps) {
3363 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3365 tmps = SvPV(*svp, n_a);
3368 TAINT_PROPER("chdir");
3369 PUSHi( PerlDir_chdir(tmps) >= 0 );
3371 /* Clear the DEFAULT element of ENV so we'll get the new value
3373 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3380 dSP; dMARK; dTARGET;
3383 value = (I32)apply(PL_op->op_type, MARK, SP);
3388 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3399 TAINT_PROPER("chroot");
3400 PUSHi( chroot(tmps) >= 0 );
3403 DIE(aTHX_ PL_no_func, "chroot");
3409 dSP; dMARK; dTARGET;
3411 value = (I32)apply(PL_op->op_type, MARK, SP);
3419 dSP; dMARK; dTARGET;
3421 value = (I32)apply(PL_op->op_type, MARK, SP);
3429 dSP; dMARK; dTARGET;
3431 value = (I32)apply(PL_op->op_type, MARK, SP);
3443 char *tmps2 = POPpx;
3444 char *tmps = SvPV(TOPs, n_a);
3445 TAINT_PROPER("rename");
3447 anum = PerlLIO_rename(tmps, tmps2);
3449 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3450 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3453 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3454 (void)UNLINK(tmps2);
3455 if (!(anum = link(tmps, tmps2)))
3456 anum = UNLINK(tmps);
3469 char *tmps2 = POPpx;
3470 char *tmps = SvPV(TOPs, n_a);
3471 TAINT_PROPER("link");
3472 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3474 DIE(aTHX_ PL_no_func, "Unsupported function link");
3484 char *tmps2 = POPpx;
3485 char *tmps = SvPV(TOPs, n_a);
3486 TAINT_PROPER("symlink");
3487 SETi( symlink(tmps, tmps2) >= 0 );
3490 DIE(aTHX_ PL_no_func, "symlink");
3499 char buf[MAXPATHLEN];
3503 #ifndef INCOMPLETE_TAINTS
3507 len = readlink(tmps, buf, sizeof buf);
3515 RETSETUNDEF; /* just pretend it's a normal file */
3519 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3521 S_dooneliner(pTHX_ char *cmd, char *filename)
3523 char *save_filename = filename;
3529 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3530 strcpy(cmdline, cmd);
3531 strcat(cmdline, " ");
3532 for (s = cmdline + strlen(cmdline); *filename; ) {
3537 myfp = PerlProc_popen(cmdline, "r");
3541 SV *tmpsv = sv_newmortal();
3542 /* Need to save/restore 'PL_rs' ?? */
3543 s = sv_gets(tmpsv, myfp, 0);
3544 (void)PerlProc_pclose(myfp);
3548 #ifdef HAS_SYS_ERRLIST
3553 /* you don't see this */
3555 #ifdef HAS_SYS_ERRLIST
3563 if (instr(s, errmsg)) {
3570 #define EACCES EPERM
3572 if (instr(s, "cannot make"))
3573 SETERRNO(EEXIST,RMS$_FEX);
3574 else if (instr(s, "existing file"))
3575 SETERRNO(EEXIST,RMS$_FEX);
3576 else if (instr(s, "ile exists"))
3577 SETERRNO(EEXIST,RMS$_FEX);
3578 else if (instr(s, "non-exist"))
3579 SETERRNO(ENOENT,RMS$_FNF);
3580 else if (instr(s, "does not exist"))
3581 SETERRNO(ENOENT,RMS$_FNF);
3582 else if (instr(s, "not empty"))
3583 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3584 else if (instr(s, "cannot access"))
3585 SETERRNO(EACCES,RMS$_PRV);
3587 SETERRNO(EPERM,RMS$_PRV);
3590 else { /* some mkdirs return no failure indication */
3591 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3592 if (PL_op->op_type == OP_RMDIR)
3597 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3622 tmps = SvPV(TOPs, len);
3623 /* Different operating and file systems take differently to
3624 * trailing slashes. According to POSIX 1003.1 1996 Edition
3625 * any number of trailing slashes should be allowed.
3626 * Thusly we snip them away so that even non-conforming
3627 * systems are happy. */
3628 /* We should probably do this "filtering" for all
3629 * the functions that expect (potentially) directory names:
3630 * -d, chdir(), chmod(), chown(), chroot(), fcntl()?,
3631 * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */
3632 if (len > 1 && tmps[len-1] == '/') {
3633 while (tmps[len] == '/' && len > 1)
3635 tmps = savepvn(tmps, len);
3639 TAINT_PROPER("mkdir");
3641 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3643 SETi( dooneliner("mkdir", tmps) );
3644 oldumask = PerlLIO_umask(0);
3645 PerlLIO_umask(oldumask);
3646 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3660 TAINT_PROPER("rmdir");
3662 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3664 XPUSHi( dooneliner("rmdir", tmps) );
3669 /* Directory calls. */
3674 #if defined(Direntry_t) && defined(HAS_READDIR)
3676 char *dirname = POPpx;
3678 register IO *io = GvIOn(gv);
3684 PerlDir_close(IoDIRP(io));
3685 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3691 SETERRNO(EBADF,RMS$_DIR);
3694 DIE(aTHX_ PL_no_dir_func, "opendir");
3701 #if defined(Direntry_t) && defined(HAS_READDIR)
3702 #if !defined(I_DIRENT) && !defined(VMS)
3703 Direntry_t *readdir (DIR *);
3705 register Direntry_t *dp;
3707 register IO *io = GvIOn(gv);
3710 if (!io || !IoDIRP(io))
3713 if (GIMME == G_ARRAY) {
3715 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3717 sv = newSVpvn(dp->d_name, dp->d_namlen);
3719 sv = newSVpv(dp->d_name, 0);
3721 #ifndef INCOMPLETE_TAINTS
3722 if (!(IoFLAGS(io) & IOf_UNTAINT))
3725 XPUSHs(sv_2mortal(sv));
3729 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3732 sv = newSVpvn(dp->d_name, dp->d_namlen);
3734 sv = newSVpv(dp->d_name, 0);
3736 #ifndef INCOMPLETE_TAINTS
3737 if (!(IoFLAGS(io) & IOf_UNTAINT))
3740 XPUSHs(sv_2mortal(sv));
3746 SETERRNO(EBADF,RMS$_ISI);
3747 if (GIMME == G_ARRAY)
3752 DIE(aTHX_ PL_no_dir_func, "readdir");
3759 #if defined(HAS_TELLDIR) || defined(telldir)
3760 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3761 /* XXX netbsd still seemed to.
3762 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3763 --JHI 1999-Feb-02 */
3764 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3765 long telldir (DIR *);
3768 register IO *io = GvIOn(gv);
3770 if (!io || !IoDIRP(io))
3773 PUSHi( PerlDir_tell(IoDIRP(io)) );
3777 SETERRNO(EBADF,RMS$_ISI);
3780 DIE(aTHX_ PL_no_dir_func, "telldir");
3787 #if defined(HAS_SEEKDIR) || defined(seekdir)
3790 register IO *io = GvIOn(gv);
3792 if (!io || !IoDIRP(io))
3795 (void)PerlDir_seek(IoDIRP(io), along);
3800 SETERRNO(EBADF,RMS$_ISI);
3803 DIE(aTHX_ PL_no_dir_func, "seekdir");
3810 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3812 register IO *io = GvIOn(gv);
3814 if (!io || !IoDIRP(io))
3817 (void)PerlDir_rewind(IoDIRP(io));
3821 SETERRNO(EBADF,RMS$_ISI);
3824 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3831 #if defined(Direntry_t) && defined(HAS_READDIR)
3833 register IO *io = GvIOn(gv);
3835 if (!io || !IoDIRP(io))
3838 #ifdef VOID_CLOSEDIR
3839 PerlDir_close(IoDIRP(io));
3841 if (PerlDir_close(IoDIRP(io)) < 0) {
3842 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3851 SETERRNO(EBADF,RMS$_IFI);
3854 DIE(aTHX_ PL_no_dir_func, "closedir");
3858 /* Process control. */
3868 PERL_FLUSHALL_FOR_CHILD;
3874 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3875 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3876 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3881 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3886 PERL_FLUSHALL_FOR_CHILD;
3887 childpid = PerlProc_fork();
3893 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3900 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3905 childpid = wait4pid(-1, &argflags, 0);
3906 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3907 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3908 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3910 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3915 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3921 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3929 childpid = wait4pid(childpid, &argflags, optype);
3930 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3931 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3932 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3934 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3939 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3945 dSP; dMARK; dORIGMARK; dTARGET;
3950 Sigsave_t ihand,qhand; /* place to save signals during system() */
3955 if (SP - MARK == 1) {
3957 char *junk = SvPV(TOPs, n_a);
3959 TAINT_PROPER("system");
3962 PERL_FLUSHALL_FOR_CHILD;
3963 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3964 if (PerlProc_pipe(pp) >= 0)
3966 while ((childpid = vfork()) == -1) {
3967 if (errno != EAGAIN) {
3972 PerlLIO_close(pp[0]);
3973 PerlLIO_close(pp[1]);
3981 PerlLIO_close(pp[1]);
3983 rsignal_save(SIGINT, SIG_IGN, &ihand);
3984 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3987 result = wait4pid(childpid, &status, 0);
3988 } while (result == -1 && errno == EINTR);
3990 (void)rsignal_restore(SIGINT, &ihand);
3991 (void)rsignal_restore(SIGQUIT, &qhand);
3993 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3994 do_execfree(); /* free any memory child malloced on vfork */
4000 while (n < sizeof(int)) {
4001 n1 = PerlLIO_read(pp[0],
4002 (void*)(((char*)&errkid)+n),
4008 PerlLIO_close(pp[0]);
4009 if (n) { /* Error */
4010 if (n != sizeof(int))
4011 DIE(aTHX_ "panic: kid popen errno read");
4012 errno = errkid; /* Propagate errno from kid */
4013 STATUS_CURRENT = -1;
4016 PUSHi(STATUS_CURRENT);
4020 PerlLIO_close(pp[0]);
4021 #if defined(HAS_FCNTL) && defined(F_SETFD)
4022 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
4025 if (PL_op->op_flags & OPf_STACKED) {
4026 SV *really = *++MARK;
4027 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
4029 else if (SP - MARK != 1)
4030 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
4032 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
4035 #else /* ! FORK or VMS or OS/2 */
4038 if (PL_op->op_flags & OPf_STACKED) {
4039 SV *really = *++MARK;
4040 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
4042 else if (SP - MARK != 1)
4043 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
4045 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
4047 if (PL_statusvalue == -1) /* hint that value must be returned as is */
4049 STATUS_NATIVE_SET(value);
4052 PUSHi(result ? value : STATUS_CURRENT);
4053 #endif /* !FORK or VMS */
4059 dSP; dMARK; dORIGMARK; dTARGET;
4063 PERL_FLUSHALL_FOR_CHILD;
4064 if (PL_op->op_flags & OPf_STACKED) {
4065 SV *really = *++MARK;
4066 value = (I32)do_aexec(really, MARK, SP);
4068 else if (SP - MARK != 1)
4070 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
4074 (void ) do_aspawn(Nullsv, MARK, SP);
4078 value = (I32)do_aexec(Nullsv, MARK, SP);
4083 char *junk = SvPV(*SP, n_a);
4085 TAINT_PROPER("exec");
4088 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4091 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
4094 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4099 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
4111 dSP; dMARK; dTARGET;
4114 value = (I32)apply(PL_op->op_type, MARK, SP);
4119 DIE(aTHX_ PL_no_func, "Unsupported function kill");
4127 XPUSHi( getppid() );
4130 DIE(aTHX_ PL_no_func, "getppid");
4146 pgrp = (I32)BSD_GETPGRP(pid);
4148 if (pid != 0 && pid != PerlProc_getpid())
4149 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4155 DIE(aTHX_ PL_no_func, "getpgrp()");
4174 TAINT_PROPER("setpgrp");
4176 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4178 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4179 || (pid != 0 && pid != PerlProc_getpid()))
4181 DIE(aTHX_ "setpgrp can't take arguments");
4183 SETi( setpgrp() >= 0 );
4184 #endif /* USE_BSDPGRP */
4187 DIE(aTHX_ PL_no_func, "setpgrp()");
4196 #ifdef HAS_GETPRIORITY
4199 SETi( getpriority(which, who) );
4202 DIE(aTHX_ PL_no_func, "getpriority()");
4212 #ifdef HAS_SETPRIORITY
4216 TAINT_PROPER("setpriority");
4217 SETi( setpriority(which, who, niceval) >= 0 );
4220 DIE(aTHX_ PL_no_func, "setpriority()");
4230 XPUSHn( time(Null(Time_t*)) );
4232 XPUSHi( time(Null(Time_t*)) );
4237 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4238 to HZ. Probably. For now, assume that if the system
4239 defines HZ, it does so correctly. (Will this break
4241 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4242 it's supported. --AD 9/96.
4258 DIE(aTHX_ "times not implemented");
4263 (void)PerlProc_times(&PL_timesbuf);
4265 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4266 /* struct tms, though same data */
4270 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4271 if (GIMME == G_ARRAY) {
4272 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4273 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4274 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4277 #endif /* HAS_TIMES */
4290 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4291 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4292 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4298 when = (Time_t)SvNVx(POPs);
4300 when = (Time_t)SvIVx(POPs);
4303 if (PL_op->op_type == OP_LOCALTIME)
4304 tmbuf = localtime(&when);
4306 tmbuf = gmtime(&when);
4310 if (GIMME != G_ARRAY) {
4314 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4315 dayname[tmbuf->tm_wday],
4316 monname[tmbuf->tm_mon],
4321 tmbuf->tm_year + 1900);
4322 PUSHs(sv_2mortal(tsv));
4325 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4326 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4327 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4328 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4329 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4330 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4331 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4332 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4333 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4344 anum = alarm((unsigned int)anum);
4351 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4362 (void)time(&lasttime);
4367 PerlProc_sleep((unsigned int)duration);
4370 XPUSHi(when - lasttime);
4374 /* Shared memory. */
4388 return pp_shmwrite();
4393 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4394 dSP; dMARK; dTARGET;
4395 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4404 /* Message passing. */
4418 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4419 dSP; dMARK; dTARGET;
4420 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4431 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4432 dSP; dMARK; dTARGET;
4433 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4446 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4447 dSP; dMARK; dTARGET;
4448 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4455 DIE(aTHX_ "System V IPC is not implemented on this machine");
4461 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4462 dSP; dMARK; dTARGET;
4463 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4471 PUSHp(zero_but_true, ZBTLEN);
4481 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4482 dSP; dMARK; dTARGET;
4483 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4492 /* Get system info. */
4496 #ifdef HAS_GETHOSTBYNAME
4497 return pp_ghostent();
4499 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4505 #ifdef HAS_GETHOSTBYADDR
4506 return pp_ghostent();
4508 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4515 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4516 I32 which = PL_op->op_type;
4517 register char **elem;
4519 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4520 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4521 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4522 struct hostent *PerlSock_gethostent(void);
4524 struct hostent *hent;
4529 if (which == OP_GHBYNAME)
4530 #ifdef HAS_GETHOSTBYNAME
4531 hent = PerlSock_gethostbyname(POPpbytex);
4533 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4535 else if (which == OP_GHBYADDR) {
4536 #ifdef HAS_GETHOSTBYADDR
4537 int addrtype = POPi;
4540 Netdb_host_t addr = (Netdb_host_t) SvPVbyte(addrsv, addrlen);
4542 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4544 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4548 #ifdef HAS_GETHOSTENT
4549 hent = PerlSock_gethostent();
4551 DIE(aTHX_ PL_no_sock_func, "gethostent");
4554 #ifdef HOST_NOT_FOUND
4556 STATUS_NATIVE_SET(h_errno);
4559 if (GIMME != G_ARRAY) {
4560 PUSHs(sv = sv_newmortal());
4562 if (which == OP_GHBYNAME) {
4564 sv_setpvn(sv, hent->h_addr, hent->h_length);
4567 sv_setpv(sv, (char*)hent->h_name);
4573 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4574 sv_setpv(sv, (char*)hent->h_name);
4575 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4576 for (elem = hent->h_aliases; elem && *elem; elem++) {
4577 sv_catpv(sv, *elem);
4579 sv_catpvn(sv, " ", 1);
4581 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4582 sv_setiv(sv, (IV)hent->h_addrtype);
4583 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4584 len = hent->h_length;
4585 sv_setiv(sv, (IV)len);
4587 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4588 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4589 sv_setpvn(sv, *elem, len);
4592 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4594 sv_setpvn(sv, hent->h_addr, len);
4599 DIE(aTHX_ PL_no_sock_func, "gethostent");
4605 #ifdef HAS_GETNETBYNAME
4606 return pp_gnetent();
4608 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4614 #ifdef HAS_GETNETBYADDR
4615 return pp_gnetent();
4617 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4624 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4625 I32 which = PL_op->op_type;
4626 register char **elem;
4628 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4629 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4630 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4631 struct netent *PerlSock_getnetent(void);
4633 struct netent *nent;
4636 if (which == OP_GNBYNAME)
4637 #ifdef HAS_GETNETBYNAME
4638 nent = PerlSock_getnetbyname(POPpbytex);
4640 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4642 else if (which == OP_GNBYADDR) {
4643 #ifdef HAS_GETNETBYADDR
4644 int addrtype = POPi;
4645 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4646 nent = PerlSock_getnetbyaddr(addr, addrtype);
4648 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4652 #ifdef HAS_GETNETENT
4653 nent = PerlSock_getnetent();
4655 DIE(aTHX_ PL_no_sock_func, "getnetent");
4659 if (GIMME != G_ARRAY) {
4660 PUSHs(sv = sv_newmortal());
4662 if (which == OP_GNBYNAME)
4663 sv_setiv(sv, (IV)nent->n_net);
4665 sv_setpv(sv, nent->n_name);
4671 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4672 sv_setpv(sv, nent->n_name);
4673 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4674 for (elem = nent->n_aliases; elem && *elem; elem++) {
4675 sv_catpv(sv, *elem);
4677 sv_catpvn(sv, " ", 1);
4679 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4680 sv_setiv(sv, (IV)nent->n_addrtype);
4681 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4682 sv_setiv(sv, (IV)nent->n_net);
4687 DIE(aTHX_ PL_no_sock_func, "getnetent");
4693 #ifdef HAS_GETPROTOBYNAME
4694 return pp_gprotoent();
4696 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4702 #ifdef HAS_GETPROTOBYNUMBER
4703 return pp_gprotoent();
4705 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4712 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4713 I32 which = PL_op->op_type;
4714 register char **elem;
4716 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4717 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4718 struct protoent *PerlSock_getprotobynumber(int);
4719 struct protoent *PerlSock_getprotoent(void);
4721 struct protoent *pent;
4724 if (which == OP_GPBYNAME)
4725 #ifdef HAS_GETPROTOBYNAME
4726 pent = PerlSock_getprotobyname(POPpbytex);
4728 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4730 else if (which == OP_GPBYNUMBER)
4731 #ifdef HAS_GETPROTOBYNUMBER
4732 pent = PerlSock_getprotobynumber(POPi);
4734 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4737 #ifdef HAS_GETPROTOENT
4738 pent = PerlSock_getprotoent();
4740 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4744 if (GIMME != G_ARRAY) {
4745 PUSHs(sv = sv_newmortal());
4747 if (which == OP_GPBYNAME)
4748 sv_setiv(sv, (IV)pent->p_proto);
4750 sv_setpv(sv, pent->p_name);
4756 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4757 sv_setpv(sv, pent->p_name);
4758 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4759 for (elem = pent->p_aliases; elem && *elem; elem++) {
4760 sv_catpv(sv, *elem);
4762 sv_catpvn(sv, " ", 1);
4764 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4765 sv_setiv(sv, (IV)pent->p_proto);
4770 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4776 #ifdef HAS_GETSERVBYNAME
4777 return pp_gservent();
4779 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4785 #ifdef HAS_GETSERVBYPORT
4786 return pp_gservent();
4788 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4795 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4796 I32 which = PL_op->op_type;
4797 register char **elem;
4799 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4800 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4801 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4802 struct servent *PerlSock_getservent(void);
4804 struct servent *sent;
4807 if (which == OP_GSBYNAME) {
4808 #ifdef HAS_GETSERVBYNAME
4809 char *proto = POPpbytex;
4810 char *name = POPpbytex;
4812 if (proto && !*proto)
4815 sent = PerlSock_getservbyname(name, proto);
4817 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4820 else if (which == OP_GSBYPORT) {
4821 #ifdef HAS_GETSERVBYPORT
4822 char *proto = POPpbytex;
4823 unsigned short port = POPu;
4826 port = PerlSock_htons(port);
4828 sent = PerlSock_getservbyport(port, proto);
4830 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4834 #ifdef HAS_GETSERVENT
4835 sent = PerlSock_getservent();
4837 DIE(aTHX_ PL_no_sock_func, "getservent");
4841 if (GIMME != G_ARRAY) {
4842 PUSHs(sv = sv_newmortal());
4844 if (which == OP_GSBYNAME) {
4846 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4848 sv_setiv(sv, (IV)(sent->s_port));
4852 sv_setpv(sv, sent->s_name);
4858 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4859 sv_setpv(sv, sent->s_name);
4860 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4861 for (elem = sent->s_aliases; elem && *elem; elem++) {
4862 sv_catpv(sv, *elem);
4864 sv_catpvn(sv, " ", 1);
4866 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4868 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4870 sv_setiv(sv, (IV)(sent->s_port));
4872 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4873 sv_setpv(sv, sent->s_proto);
4878 DIE(aTHX_ PL_no_sock_func, "getservent");
4885 #ifdef HAS_SETHOSTENT
4886 PerlSock_sethostent(TOPi);
4889 DIE(aTHX_ PL_no_sock_func, "sethostent");
4896 #ifdef HAS_SETNETENT
4897 PerlSock_setnetent(TOPi);
4900 DIE(aTHX_ PL_no_sock_func, "setnetent");
4907 #ifdef HAS_SETPROTOENT
4908 PerlSock_setprotoent(TOPi);
4911 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4918 #ifdef HAS_SETSERVENT
4919 PerlSock_setservent(TOPi);
4922 DIE(aTHX_ PL_no_sock_func, "setservent");
4929 #ifdef HAS_ENDHOSTENT
4930 PerlSock_endhostent();
4934 DIE(aTHX_ PL_no_sock_func, "endhostent");
4941 #ifdef HAS_ENDNETENT
4942 PerlSock_endnetent();
4946 DIE(aTHX_ PL_no_sock_func, "endnetent");
4953 #ifdef HAS_ENDPROTOENT
4954 PerlSock_endprotoent();
4958 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4965 #ifdef HAS_ENDSERVENT
4966 PerlSock_endservent();
4970 DIE(aTHX_ PL_no_sock_func, "endservent");
4979 DIE(aTHX_ PL_no_func, "getpwnam");
4988 DIE(aTHX_ PL_no_func, "getpwuid");
4996 I32 which = PL_op->op_type;
4999 struct passwd *pwent = NULL;
5001 * We currently support only the SysV getsp* shadow password interface.
5002 * The interface is declared in <shadow.h> and often one needs to link
5003 * with -lsecurity or some such.
5004 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
5007 * AIX getpwnam() is clever enough to return the encrypted password
5008 * only if the caller (euid?) is root.
5010 * There are at least two other shadow password APIs. Many platforms
5011 * seem to contain more than one interface for accessing the shadow
5012 * password databases, possibly for compatibility reasons.
5013 * The getsp*() is by far he simplest one, the other two interfaces
5014 * are much more complicated, but also very similar to each other.
5019 * struct pr_passwd *getprpw*();
5020 * The password is in
5021 * char getprpw*(...).ufld.fd_encrypt[]
5022 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
5027 * struct es_passwd *getespw*();
5028 * The password is in
5029 * char *(getespw*(...).ufld.fd_encrypt)
5030 * Mention HAS_GETESPWNAM here so that Configure probes for it.
5032 * Mention I_PROT here so that Configure probes for it.
5034 * In HP-UX for getprpw*() the manual page claims that one should include
5035 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
5036 * if one includes <shadow.h> as that includes <hpsecurity.h>,
5037 * and pp_sys.c already includes <shadow.h> if there is such.
5039 * Note that <sys/security.h> is already probed for, but currently
5040 * it is only included in special cases.
5042 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
5043 * be preferred interface, even though also the getprpw*() interface
5044 * is available) one needs to link with -lsecurity -ldb -laud -lm.
5045 * One also needs to call set_auth_parameters() in main() before
5046 * doing anything else, whether one is using getespw*() or getprpw*().
5048 * Note that accessing the shadow databases can be magnitudes
5049 * slower than accessing the standard databases.
5056 pwent = getpwnam(POPpbytex);
5059 pwent = getpwuid((Uid_t)POPi);
5062 # ifdef HAS_GETPWENT
5065 DIE(aTHX_ PL_no_func, "getpwent");
5071 if (GIMME != G_ARRAY) {
5072 PUSHs(sv = sv_newmortal());
5074 if (which == OP_GPWNAM)
5075 # if Uid_t_sign <= 0
5076 sv_setiv(sv, (IV)pwent->pw_uid);
5078 sv_setuv(sv, (UV)pwent->pw_uid);
5081 sv_setpv(sv, pwent->pw_name);
5087 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5088 sv_setpv(sv, pwent->pw_name);
5090 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5092 /* If we have getspnam(), we try to dig up the shadow
5093 * password. If we are underprivileged, the shadow
5094 * interface will set the errno to EACCES or similar,
5095 * and return a null pointer. If this happens, we will
5096 * use the dummy password (usually "*" or "x") from the
5097 * standard password database.
5099 * In theory we could skip the shadow call completely
5100 * if euid != 0 but in practice we cannot know which
5101 * security measures are guarding the shadow databases
5102 * on a random platform.
5104 * Resist the urge to use additional shadow interfaces.
5105 * Divert the urge to writing an extension instead.
5108 # ifdef HAS_GETSPNAM
5110 struct spwd *spwent;
5111 int saverrno; /* Save and restore errno so that
5112 * underprivileged attempts seem
5113 * to have never made the unsccessful
5114 * attempt to retrieve the shadow password. */
5117 spwent = getspnam(pwent->pw_name);
5119 if (spwent && spwent->sp_pwdp)
5120 sv_setpv(sv, spwent->sp_pwdp);
5124 if (!SvPOK(sv)) /* Use the standard password, then. */
5125 sv_setpv(sv, pwent->pw_passwd);
5128 # ifndef INCOMPLETE_TAINTS
5129 /* passwd is tainted because user himself can diddle with it.
5130 * admittedly not much and in a very limited way, but nevertheless. */
5134 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5135 # if Uid_t_sign <= 0
5136 sv_setiv(sv, (IV)pwent->pw_uid);
5138 sv_setuv(sv, (UV)pwent->pw_uid);
5141 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5142 # if Uid_t_sign <= 0
5143 sv_setiv(sv, (IV)pwent->pw_gid);
5145 sv_setuv(sv, (UV)pwent->pw_gid);
5147 /* pw_change, pw_quota, and pw_age are mutually exclusive--
5148 * because of the poor interface of the Perl getpw*(),
5149 * not because there's some standard/convention saying so.
5150 * A better interface would have been to return a hash,
5151 * but we are accursed by our history, alas. --jhi. */
5152 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5154 sv_setiv(sv, (IV)pwent->pw_change);
5157 sv_setiv(sv, (IV)pwent->pw_quota);
5160 sv_setpv(sv, pwent->pw_age);
5165 /* pw_class and pw_comment are mutually exclusive--.
5166 * see the above note for pw_change, pw_quota, and pw_age. */
5167 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5169 sv_setpv(sv, pwent->pw_class);
5172 sv_setpv(sv, pwent->pw_comment);
5176 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5178 sv_setpv(sv, pwent->pw_gecos);
5180 # ifndef INCOMPLETE_TAINTS
5181 /* pw_gecos is tainted because user himself can diddle with it. */
5185 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5186 sv_setpv(sv, pwent->pw_dir);
5188 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5189 sv_setpv(sv, pwent->pw_shell);
5190 # ifndef INCOMPLETE_TAINTS
5191 /* pw_shell is tainted because user himself can diddle with it. */
5196 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5197 sv_setiv(sv, (IV)pwent->pw_expire);
5202 DIE(aTHX_ PL_no_func, "getpwent");
5209 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5213 DIE(aTHX_ PL_no_func, "setpwent");
5220 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5224 DIE(aTHX_ PL_no_func, "endpwent");
5233 DIE(aTHX_ PL_no_func, "getgrnam");
5242 DIE(aTHX_ PL_no_func, "getgrgid");
5250 I32 which = PL_op->op_type;
5251 register char **elem;
5253 struct group *grent;
5256 if (which == OP_GGRNAM)
5257 grent = (struct group *)getgrnam(POPpbytex);
5258 else if (which == OP_GGRGID)
5259 grent = (struct group *)getgrgid(POPi);
5262 grent = (struct group *)getgrent();
5264 DIE(aTHX_ PL_no_func, "getgrent");
5268 if (GIMME != G_ARRAY) {
5269 PUSHs(sv = sv_newmortal());
5271 if (which == OP_GGRNAM)
5272 sv_setiv(sv, (IV)grent->gr_gid);
5274 sv_setpv(sv, grent->gr_name);
5280 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5281 sv_setpv(sv, grent->gr_name);
5283 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5285 sv_setpv(sv, grent->gr_passwd);
5288 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5289 sv_setiv(sv, (IV)grent->gr_gid);
5291 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5292 for (elem = grent->gr_mem; elem && *elem; elem++) {
5293 sv_catpv(sv, *elem);
5295 sv_catpvn(sv, " ", 1);
5301 DIE(aTHX_ PL_no_func, "getgrent");
5308 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5312 DIE(aTHX_ PL_no_func, "setgrent");
5319 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5323 DIE(aTHX_ PL_no_func, "endgrent");
5333 if (!(tmps = PerlProc_getlogin()))
5335 PUSHp(tmps, strlen(tmps));
5338 DIE(aTHX_ PL_no_func, "getlogin");
5342 /* Miscellaneous. */
5347 dSP; dMARK; dORIGMARK; dTARGET;
5348 register I32 items = SP - MARK;
5349 unsigned long a[20];
5355 while (++MARK <= SP) {
5356 if (SvTAINTED(*MARK)) {
5362 TAINT_PROPER("syscall");
5365 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5366 * or where sizeof(long) != sizeof(char*). But such machines will
5367 * not likely have syscall implemented either, so who cares?
5369 while (++MARK <= SP) {
5370 if (SvNIOK(*MARK) || !i)
5371 a[i++] = SvIV(*MARK);
5372 else if (*MARK == &PL_sv_undef)
5375 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5381 DIE(aTHX_ "Too many args to syscall");
5383 DIE(aTHX_ "Too few args to syscall");
5385 retval = syscall(a[0]);
5388 retval = syscall(a[0],a[1]);
5391 retval = syscall(a[0],a[1],a[2]);
5394 retval = syscall(a[0],a[1],a[2],a[3]);
5397 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5400 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5403 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5406 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5410 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5413 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5416 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5420 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5424 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5428 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5429 a[10],a[11],a[12],a[13]);
5431 #endif /* atarist */
5437 DIE(aTHX_ PL_no_func, "syscall");
5441 #ifdef FCNTL_EMULATE_FLOCK
5443 /* XXX Emulate flock() with fcntl().
5444 What's really needed is a good file locking module.
5448 fcntl_emulate_flock(int fd, int operation)
5452 switch (operation & ~LOCK_NB) {
5454 flock.l_type = F_RDLCK;
5457 flock.l_type = F_WRLCK;
5460 flock.l_type = F_UNLCK;
5466 flock.l_whence = SEEK_SET;
5467 flock.l_start = flock.l_len = (Off_t)0;
5469 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5472 #endif /* FCNTL_EMULATE_FLOCK */
5474 #ifdef LOCKF_EMULATE_FLOCK
5476 /* XXX Emulate flock() with lockf(). This is just to increase
5477 portability of scripts. The calls are not completely
5478 interchangeable. What's really needed is a good file
5482 /* The lockf() constants might have been defined in <unistd.h>.
5483 Unfortunately, <unistd.h> causes troubles on some mixed
5484 (BSD/POSIX) systems, such as SunOS 4.1.3.
5486 Further, the lockf() constants aren't POSIX, so they might not be
5487 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5488 just stick in the SVID values and be done with it. Sigh.
5492 # define F_ULOCK 0 /* Unlock a previously locked region */
5495 # define F_LOCK 1 /* Lock a region for exclusive use */
5498 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5501 # define F_TEST 3 /* Test a region for other processes locks */
5505 lockf_emulate_flock(int fd, int operation)
5511 /* flock locks entire file so for lockf we need to do the same */
5513 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5514 if (pos > 0) /* is seekable and needs to be repositioned */
5515 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5516 pos = -1; /* seek failed, so don't seek back afterwards */
5519 switch (operation) {
5521 /* LOCK_SH - get a shared lock */
5523 /* LOCK_EX - get an exclusive lock */
5525 i = lockf (fd, F_LOCK, 0);
5528 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5529 case LOCK_SH|LOCK_NB:
5530 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5531 case LOCK_EX|LOCK_NB:
5532 i = lockf (fd, F_TLOCK, 0);
5534 if ((errno == EAGAIN) || (errno == EACCES))
5535 errno = EWOULDBLOCK;
5538 /* LOCK_UN - unlock (non-blocking is a no-op) */
5540 case LOCK_UN|LOCK_NB:
5541 i = lockf (fd, F_ULOCK, 0);
5544 /* Default - can't decipher operation */
5551 if (pos > 0) /* need to restore position of the handle */
5552 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5557 #endif /* LOCKF_EMULATE_FLOCK */