3 * Copyright (c) 1991-2000, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
11 * But only a short way ahead its floor and the walls on either side were
12 * cloven by a great fissure, out of which the red glare came, now leaping
13 * up, now dying down into darkness; and all the while far below there was
14 * a rumour and a trouble as of great engines throbbing and labouring.
18 #define PERL_IN_PP_SYS_C
22 /* Shadow password support for solaris - pdo@cs.umd.edu
23 * Not just Solaris: at least HP-UX, IRIX, Linux.
24 * The API is from SysV.
26 * There are at least two more shadow interfaces,
27 * see the comments in pp_gpwent().
31 /* There is a MAXINT coming from <shadow.h> <- <hpsecurity.h> <- <values.h>
32 * and another MAXINT from "perl.h" <- <sys/param.h>. */
38 /* XXX If this causes problems, set i_unistd=undef in the hint file. */
45 extern "C" int syscall(unsigned long,...);
50 # include <sys/wait.h>
54 # include <sys/resource.h>
57 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
58 # include <sys/socket.h>
59 # if defined(USE_SOCKS) && defined(I_SOCKS)
67 # include <net/errno.h>
74 #include <sys/select.h>
78 /* XXX Configure test needed.
79 h_errno might not be a simple 'int', especially for multi-threaded
80 applications, see "extern int errno in perl.h". Creating such
81 a test requires taking into account the differences between
82 compiling multithreaded and singlethreaded ($ccflags et al).
83 HOST_NOT_FOUND is typically defined in <netdb.h>.
85 #if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__)
93 struct passwd *getpwnam (char *);
94 struct passwd *getpwuid (Uid_t);
97 struct passwd *getpwent (void);
105 struct group *getgrnam (char *);
106 struct group *getgrgid (Gid_t);
109 struct group *getgrent (void);
114 # if defined(_MSC_VER) || defined(__MINGW32__)
115 # include <sys/utime.h>
121 /* Put this after #includes because fork and vfork prototypes may conflict. */
127 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
130 # define my_chsize PerlLIO_chsize
135 #else /* no flock() */
137 /* fcntl.h might not have been included, even if it exists, because
138 the current Configure only sets I_FCNTL if it's needed to pick up
139 the *_OK constants. Make sure it has been included before testing
140 the fcntl() locking constants. */
141 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
145 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
146 # define FLOCK fcntl_emulate_flock
147 # define FCNTL_EMULATE_FLOCK
148 # else /* no flock() or fcntl(F_SETLK,...) */
150 # define FLOCK lockf_emulate_flock
151 # define LOCKF_EMULATE_FLOCK
153 # endif /* no flock() or fcntl(F_SETLK,...) */
156 static int FLOCK (int, int);
159 * These are the flock() constants. Since this sytems doesn't have
160 * flock(), the values of the constants are probably not available.
174 # endif /* emulating flock() */
176 #endif /* no flock() */
179 static char zero_but_true[ZBTLEN + 1] = "0 but true";
181 #if defined(I_SYS_ACCESS) && !defined(R_OK)
182 # include <sys/access.h>
185 #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC)
186 # define FD_CLOEXEC 1 /* NeXT needs this */
189 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
190 #undef PERL_EFF_ACCESS_W_OK
191 #undef PERL_EFF_ACCESS_X_OK
193 /* F_OK unused: if stat() cannot find it... */
195 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
196 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
197 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
198 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
199 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
202 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
203 # ifdef I_SYS_SECURITY
204 # include <sys/security.h>
208 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
209 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
210 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
213 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
214 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
215 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
219 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
221 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
222 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
223 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
226 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
227 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
228 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
231 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
233 Uid_t ruid = getuid();
234 Uid_t euid = geteuid();
235 Gid_t rgid = getgid();
236 Gid_t egid = getegid();
240 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
241 Perl_croak(aTHX_ "switching effective uid is not implemented");
244 if (setreuid(euid, ruid))
247 if (setresuid(euid, ruid, (Uid_t)-1))
250 Perl_croak(aTHX_ "entering effective uid failed");
253 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
254 Perl_croak(aTHX_ "switching effective gid is not implemented");
257 if (setregid(egid, rgid))
260 if (setresgid(egid, rgid, (Gid_t)-1))
263 Perl_croak(aTHX_ "entering effective gid failed");
266 res = access(path, mode);
269 if (setreuid(ruid, euid))
272 if (setresuid(ruid, euid, (Uid_t)-1))
275 Perl_croak(aTHX_ "leaving effective uid failed");
278 if (setregid(rgid, egid))
281 if (setresgid(rgid, egid, (Gid_t)-1))
284 Perl_croak(aTHX_ "leaving effective gid failed");
289 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
290 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
291 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
294 #if !defined(PERL_EFF_ACCESS_R_OK)
296 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
298 Perl_croak(aTHX_ "switching effective uid is not implemented");
314 if (PL_op->op_private & OPpOPEN_IN_RAW)
316 else if (PL_op->op_private & OPpOPEN_IN_CRLF)
318 fp = PerlProc_popen(tmps, mode);
320 if (gimme == G_VOID) {
322 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
326 else if (gimme == G_SCALAR) {
327 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
328 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
339 if (sv_gets(sv, fp, 0) == Nullch) {
343 XPUSHs(sv_2mortal(sv));
344 if (SvLEN(sv) - SvCUR(sv) > 20) {
345 SvLEN_set(sv, SvCUR(sv)+1);
346 Renew(SvPVX(sv), SvLEN(sv), char);
351 STATUS_NATIVE_SET(PerlProc_pclose(fp));
352 TAINT; /* "I believe that this is not gratuitous!" */
355 STATUS_NATIVE_SET(-1);
356 if (gimme == G_SCALAR)
366 tryAMAGICunTARGET(iter, -1);
368 /* Note that we only ever get here if File::Glob fails to load
369 * without at the same time croaking, for some reason, or if
370 * perl was built with PERL_EXTERNAL_GLOB */
377 * The external globbing program may use things we can't control,
378 * so for security reasons we must assume the worst.
381 taint_proper(PL_no_security, "glob");
385 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
386 PL_last_in_gv = (GV*)*PL_stack_sp--;
388 SAVESPTR(PL_rs); /* This is not permanent, either. */
389 PL_rs = sv_2mortal(newSVpvn("\000", 1));
392 *SvPVX(PL_rs) = '\n';
396 result = do_readline();
401 #if 0 /* XXX never used! */
405 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
406 return do_readline();
412 PL_last_in_gv = cGVOP_gv;
413 return do_readline();
422 if (SP - MARK != 1) {
424 do_join(TARG, &PL_sv_no, MARK, SP);
431 tmps = SvPV(tmpsv, len);
434 (void)SvUPGRADE(error, SVt_PV);
435 if (SvPOK(error) && SvCUR(error))
436 sv_catpv(error, "\t...caught");
438 tmps = SvPV(tmpsv, len);
441 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
443 Perl_warn(aTHX_ "%"SVf, tmpsv);
454 if (SP - MARK != 1) {
456 do_join(TARG, &PL_sv_no, MARK, SP);
458 tmps = SvPV(tmpsv, len);
464 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
468 (void)SvUPGRADE(error, SVt_PV);
469 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
471 SvSetSV(error,tmpsv);
472 else if (sv_isobject(error)) {
473 HV *stash = SvSTASH(SvRV(error));
474 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
476 SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0));
477 SV *line = sv_2mortal(newSVuv(CopLINE(PL_curcop)));
484 call_sv((SV*)GvCV(gv),
485 G_SCALAR|G_EVAL|G_KEEPERR);
486 sv_setsv(error,*PL_stack_sp--);
492 if (SvPOK(error) && SvCUR(error))
493 sv_catpv(error, "\t...propagated");
495 tmps = SvPV(tmpsv, len);
499 tmpsv = sv_2mortal(newSVpvn("Died", 4));
501 DIE(aTHX_ "%"SVf, tmpsv);
524 DIE(aTHX_ PL_no_usym, "filehandle");
529 DIE(aTHX_ PL_no_usym, "filehandle");
531 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
533 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
535 XPUSHs(SvTIED_obj((SV*)gv, mg));
541 call_method("OPEN", G_SCALAR);
547 tmps = SvPV(sv, len);
548 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
549 PUSHi( (I32)PL_forkprocess );
550 else if (PL_forkprocess == 0) /* we are a new child */
568 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
570 XPUSHs(SvTIED_obj((SV*)gv, mg));
573 call_method("CLOSE", G_SCALAR);
579 PUSHs(boolSV(do_close(gv, TRUE)));
599 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
600 DIE(aTHX_ PL_no_usym, "filehandle");
605 do_close(rgv, FALSE);
607 do_close(wgv, FALSE);
609 if (PerlProc_pipe(fd) < 0)
612 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
613 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
614 IoIFP(wstio) = IoOFP(wstio);
615 IoTYPE(rstio) = IoTYPE_RDONLY;
616 IoTYPE(wstio) = IoTYPE_WRONLY;
618 if (!IoIFP(rstio) || !IoOFP(wstio)) {
619 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
620 else PerlLIO_close(fd[0]);
621 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
622 else PerlLIO_close(fd[1]);
625 #if defined(HAS_FCNTL) && defined(F_SETFD)
626 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
627 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
634 DIE(aTHX_ PL_no_func, "pipe");
650 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
652 XPUSHs(SvTIED_obj((SV*)gv, mg));
655 call_method("FILENO", G_SCALAR);
661 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
663 PUSHi(PerlIO_fileno(fp));
674 anum = PerlLIO_umask(0);
675 (void)PerlLIO_umask(anum);
678 anum = PerlLIO_umask(POPi);
679 TAINT_PROPER("umask");
682 /* Only DIE if trying to restrict permissions on `user' (self).
683 * Otherwise it's harmless and more useful to just return undef
684 * since 'group' and 'other' concepts probably don't exist here. */
685 if (MAXARG >= 1 && (POPi & 0700))
686 DIE(aTHX_ "umask not implemented");
687 XPUSHs(&PL_sv_undef);
708 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
710 XPUSHs(SvTIED_obj((SV*)gv, mg));
715 call_method("BINMODE", G_SCALAR);
722 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
725 if (do_binmode(fp,IoTYPE(io),mode_from_discipline(discp)))
739 I32 markoff = MARK - PL_stack_base;
746 switch(SvTYPE(varsv)) {
748 methname = "TIEHASH";
751 methname = "TIEARRAY";
754 methname = "TIEHANDLE";
758 methname = "TIESCALAR";
763 if (sv_isobject(*MARK)) {
765 PUSHSTACKi(PERLSI_MAGIC);
771 call_method(methname, G_SCALAR);
774 /* Not clear why we don't call call_method here too.
775 * perhaps to get different error message ?
777 stash = gv_stashsv(*MARK, FALSE);
778 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
779 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
780 methname, SvPV(*MARK,n_a));
783 PUSHSTACKi(PERLSI_MAGIC);
789 call_sv((SV*)GvCV(gv), G_SCALAR);
795 if (sv_isobject(sv)) {
796 sv_unmagic(varsv, how);
797 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
800 SP = PL_stack_base + markoff;
809 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
811 if (ckWARN(WARN_UNTIE)) {
813 if ((mg = SvTIED_mg(sv, how))) {
814 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
815 Perl_warner(aTHX_ WARN_UNTIE,
816 "untie attempted while %"UVuf" inner references still exist",
817 (UV)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
829 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
832 if ((mg = SvTIED_mg(sv, how))) {
833 SV *osv = SvTIED_obj(sv, mg);
834 if (osv == mg->mg_obj)
835 osv = sv_mortalcopy(osv);
853 sv = sv_mortalcopy(&PL_sv_no);
854 sv_setpv(sv, "AnyDBM_File");
855 stash = gv_stashsv(sv, FALSE);
856 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
858 require_pv("AnyDBM_File.pm");
860 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
861 DIE(aTHX_ "No dbm on this machine");
871 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
873 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
876 call_sv((SV*)GvCV(gv), G_SCALAR);
879 if (!sv_isobject(TOPs)) {
884 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
887 call_sv((SV*)GvCV(gv), G_SCALAR);
891 if (sv_isobject(TOPs)) {
892 sv_unmagic((SV *) hv, 'P');
893 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
915 struct timeval timebuf;
916 struct timeval *tbuf = &timebuf;
920 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
925 # if BYTEORDER & 0xf0000
926 # define ORDERBYTE (0x88888888 - BYTEORDER)
928 # define ORDERBYTE (0x4444 - BYTEORDER)
934 for (i = 1; i <= 3; i++) {
942 /* little endians can use vecs directly */
943 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
944 # if SELECT_MIN_BITS > 1
945 /* If SELECT_MIN_BITS is greater than one we most probably will want
946 * to align the sizes with SELECT_MIN_BITS/8 because for example
947 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
948 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
949 * on (sets/tests/clears bits) is 32 bits. */
950 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
952 growsize = sizeof(fd_set);
961 masksize = NFDBITS / NBBY;
963 masksize = sizeof(long); /* documented int, everyone seems to use long */
965 growsize = maxlen + (masksize - (maxlen % masksize));
966 Zero(&fd_sets[0], 4, char*);
974 timebuf.tv_sec = (long)value;
975 value -= (NV)timebuf.tv_sec;
976 timebuf.tv_usec = (long)(value * 1000000.0);
979 tbuf = Null(struct timeval*);
981 for (i = 1; i <= 3; i++) {
988 SvPV_force(sv,n_a); /* force string conversion */
991 Sv_Grow(sv, growsize);
995 while (++j <= growsize) {
999 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1001 New(403, fd_sets[i], growsize, char);
1002 for (offset = 0; offset < growsize; offset += masksize) {
1003 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1004 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1007 fd_sets[i] = SvPVX(sv);
1011 nfound = PerlSock_select(
1013 (Select_fd_set_t) fd_sets[1],
1014 (Select_fd_set_t) fd_sets[2],
1015 (Select_fd_set_t) fd_sets[3],
1017 for (i = 1; i <= 3; i++) {
1020 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1022 for (offset = 0; offset < growsize; offset += masksize) {
1023 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1024 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1026 Safefree(fd_sets[i]);
1033 if (GIMME == G_ARRAY && tbuf) {
1034 value = (NV)(timebuf.tv_sec) +
1035 (NV)(timebuf.tv_usec) / 1000000.0;
1036 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1037 sv_setnv(sv, value);
1041 DIE(aTHX_ "select not implemented");
1046 Perl_setdefout(pTHX_ GV *gv)
1050 (void)SvREFCNT_inc(gv);
1052 SvREFCNT_dec(PL_defoutgv);
1059 GV *newdefout, *egv;
1062 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1064 egv = GvEGV(PL_defoutgv);
1069 XPUSHs(&PL_sv_undef);
1071 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1072 if (gvp && *gvp == egv) {
1073 gv_efullname4(TARG, PL_defoutgv, Nullch, FALSE);
1077 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1082 if (!GvIO(newdefout))
1083 gv_IOadd(newdefout);
1084 setdefout(newdefout);
1101 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1102 I32 gimme = GIMME_V;
1104 XPUSHs(SvTIED_obj((SV*)gv, mg));
1107 call_method("GETC", gimme);
1110 if (gimme == G_SCALAR)
1111 SvSetMagicSV_nosteal(TARG, TOPs);
1114 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1117 sv_setpv(TARG, " ");
1118 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1125 return pp_sysread();
1129 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1132 register PERL_CONTEXT *cx;
1133 I32 gimme = GIMME_V;
1134 AV* padlist = CvPADLIST(cv);
1135 SV** svp = AvARRAY(padlist);
1141 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1143 SAVEVPTR(PL_curpad);
1144 PL_curpad = AvARRAY((AV*)svp[1]);
1146 setdefout(gv); /* locally select filehandle so $% et al work */
1179 SV *tmpsv = sv_newmortal();
1180 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1181 name = SvPV_nolen(tmpsv);
1184 DIE(aTHX_ "Undefined format \"%s\" called", name);
1185 DIE(aTHX_ "Not a format reference");
1188 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1190 IoFLAGS(io) &= ~IOf_DIDTOP;
1191 return doform(cv,gv,PL_op->op_next);
1197 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1198 register IO *io = GvIOp(gv);
1199 PerlIO *ofp = IoOFP(io);
1203 register PERL_CONTEXT *cx;
1205 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1206 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1207 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1208 PL_formtarget != PL_toptarget)
1212 if (!IoTOP_GV(io)) {
1216 if (!IoTOP_NAME(io)) {
1217 if (!IoFMT_NAME(io))
1218 IoFMT_NAME(io) = savepv(GvNAME(gv));
1219 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1220 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1221 if ((topgv && GvFORM(topgv)) ||
1222 !gv_fetchpv("top",FALSE,SVt_PVFM))
1223 IoTOP_NAME(io) = savepv(SvPVX(topname));
1225 IoTOP_NAME(io) = savepv("top");
1227 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1228 if (!topgv || !GvFORM(topgv)) {
1229 IoLINES_LEFT(io) = 100000000;
1232 IoTOP_GV(io) = topgv;
1234 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1235 I32 lines = IoLINES_LEFT(io);
1236 char *s = SvPVX(PL_formtarget);
1237 if (lines <= 0) /* Yow, header didn't even fit!!! */
1239 while (lines-- > 0) {
1240 s = strchr(s, '\n');
1246 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1247 sv_chop(PL_formtarget, s);
1248 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1251 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1252 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1253 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1255 PL_formtarget = PL_toptarget;
1256 IoFLAGS(io) |= IOf_DIDTOP;
1259 DIE(aTHX_ "bad top format reference");
1264 SV *sv = sv_newmortal();
1265 gv_efullname4(sv, fgv, Nullch, FALSE);
1266 name = SvPV_nolen(sv);
1269 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1272 DIE(aTHX_ "Undefined top format called");
1276 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1277 return doform(cv,gv,PL_op);
1281 POPBLOCK(cx,PL_curpm);
1287 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1289 /* integrate with report_evil_fh()? */
1292 SV* sv = sv_newmortal();
1293 gv_efullname4(sv, gv, Nullch, FALSE);
1294 name = SvPV_nolen(sv);
1297 Perl_warner(aTHX_ WARN_IO,
1298 "Filehandle %s opened only for input", name);
1300 Perl_warner(aTHX_ WARN_IO,
1301 "Filehandle opened only for input");
1303 else if (ckWARN(WARN_CLOSED))
1304 report_evil_fh(gv, io, PL_op->op_type);
1309 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1310 if (ckWARN(WARN_IO))
1311 Perl_warner(aTHX_ WARN_IO, "page overflow");
1313 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1317 FmLINES(PL_formtarget) = 0;
1318 SvCUR_set(PL_formtarget, 0);
1319 *SvEND(PL_formtarget) = '\0';
1320 if (IoFLAGS(io) & IOf_FLUSH)
1321 (void)PerlIO_flush(fp);
1325 PL_formtarget = PL_bodytarget;
1327 return pop_return();
1332 djSP; dMARK; dORIGMARK;
1340 if (PL_op->op_flags & OPf_STACKED)
1345 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1346 if (MARK == ORIGMARK) {
1349 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1353 *MARK = SvTIED_obj((SV*)gv, mg);
1356 call_method("PRINTF", G_SCALAR);
1359 MARK = ORIGMARK + 1;
1366 if (!(io = GvIO(gv))) {
1368 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1369 report_evil_fh(gv, io, PL_op->op_type);
1370 SETERRNO(EBADF,RMS$_IFI);
1373 else if (!(fp = IoOFP(io))) {
1374 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1375 /* integrate with report_evil_fh()? */
1379 gv_efullname4(sv, gv, Nullch, FALSE);
1380 name = SvPV_nolen(sv);
1383 Perl_warner(aTHX_ WARN_IO,
1384 "Filehandle %s opened only for input", name);
1386 Perl_warner(aTHX_ WARN_IO,
1387 "Filehandle opened only for input");
1389 else if (ckWARN(WARN_CLOSED))
1390 report_evil_fh(gv, io, PL_op->op_type);
1392 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1396 do_sprintf(sv, SP - MARK, MARK + 1);
1397 if (!do_print(sv, fp))
1400 if (IoFLAGS(io) & IOf_FLUSH)
1401 if (PerlIO_flush(fp) == EOF)
1412 PUSHs(&PL_sv_undef);
1433 /* Need TIEHANDLE method ? */
1435 tmps = SvPV(sv, len);
1436 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1437 IoLINES(GvIOp(gv)) = 0;
1441 PUSHs(&PL_sv_undef);
1448 djSP; dMARK; dORIGMARK; dTARGET;
1454 Sock_size_t bufsize;
1460 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1461 (mg = SvTIED_mg((SV*)gv, 'q')))
1466 *MARK = SvTIED_obj((SV*)gv, mg);
1468 call_method("READ", G_SCALAR);
1481 sv_setpvn(bufsv, "", 0);
1482 buffer = SvPV_force(bufsv, blen);
1483 length = SvIVx(*++MARK);
1485 DIE(aTHX_ "Negative length");
1488 offset = SvIVx(*++MARK);
1492 if (!io || !IoIFP(io))
1495 if (PL_op->op_type == OP_RECV) {
1496 char namebuf[MAXPATHLEN];
1497 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1498 bufsize = sizeof (struct sockaddr_in);
1500 bufsize = sizeof namebuf;
1502 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1506 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1510 buffer = SvGROW(bufsv, length+1);
1511 /* 'offset' means 'flags' here */
1512 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1513 (struct sockaddr *)namebuf, &bufsize);
1516 SvCUR_set(bufsv, length);
1517 *SvEND(bufsv) = '\0';
1518 (void)SvPOK_only(bufsv);
1520 /* This should not be marked tainted if the fp is marked clean */
1521 if (!(IoFLAGS(io) & IOf_UNTAINT))
1522 SvTAINTED_on(bufsv);
1524 sv_setpvn(TARG, namebuf, bufsize);
1529 if (PL_op->op_type == OP_RECV)
1530 DIE(aTHX_ PL_no_sock_func, "recv");
1534 DIE(aTHX_ "Offset outside string");
1537 bufsize = SvCUR(bufsv);
1538 buffer = SvGROW(bufsv, length+offset+1);
1539 if (offset > bufsize) { /* Zero any newly allocated space */
1540 Zero(buffer+bufsize, offset-bufsize, char);
1542 if (PL_op->op_type == OP_SYSREAD) {
1543 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1544 if (IoTYPE(io) == IoTYPE_SOCKET) {
1545 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1546 buffer+offset, length, 0);
1551 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1552 buffer+offset, length);
1556 #ifdef HAS_SOCKET__bad_code_maybe
1557 if (IoTYPE(io) == IoTYPE_SOCKET) {
1558 char namebuf[MAXPATHLEN];
1559 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1560 bufsize = sizeof (struct sockaddr_in);
1562 bufsize = sizeof namebuf;
1564 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1565 (struct sockaddr *)namebuf, &bufsize);
1570 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1571 /* fread() returns 0 on both error and EOF */
1572 if (length == 0 && PerlIO_error(IoIFP(io)))
1576 if ((IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout()
1577 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1579 /* integrate with report_evil_fh()? */
1582 SV* sv = sv_newmortal();
1583 gv_efullname4(sv, gv, Nullch, FALSE);
1584 name = SvPV_nolen(sv);
1587 Perl_warner(aTHX_ WARN_IO,
1588 "Filehandle %s opened only for output", name);
1590 Perl_warner(aTHX_ WARN_IO,
1591 "Filehandle opened only for output");
1595 SvCUR_set(bufsv, length+offset);
1596 *SvEND(bufsv) = '\0';
1597 (void)SvPOK_only(bufsv);
1599 /* This should not be marked tainted if the fp is marked clean */
1600 if (!(IoFLAGS(io) & IOf_UNTAINT))
1601 SvTAINTED_on(bufsv);
1614 int items = (SP - PL_stack_base) - TOPMARK;
1618 sv = sv_2mortal(newSViv(sv_len(*SP)));
1627 djSP; dMARK; dORIGMARK; dTARGET;
1639 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1643 *MARK = SvTIED_obj((SV*)gv, mg);
1645 call_method("WRITE", G_SCALAR);
1656 buffer = SvPV(bufsv, blen);
1657 #if Size_t_size > IVSIZE
1658 length = (Size_t)SvNVx(*++MARK);
1660 length = (Size_t)SvIVx(*++MARK);
1662 if ((SSize_t)length < 0)
1663 DIE(aTHX_ "Negative length");
1666 if (!io || !IoIFP(io)) {
1668 if (ckWARN(WARN_CLOSED))
1669 report_evil_fh(gv, io, PL_op->op_type);
1671 else if (PL_op->op_type == OP_SYSWRITE) {
1673 offset = SvIVx(*++MARK);
1676 DIE(aTHX_ "Offset outside string");
1678 } else if (offset >= blen && blen > 0)
1679 DIE(aTHX_ "Offset outside string");
1682 if (length > blen - offset)
1683 length = blen - offset;
1684 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1685 if (IoTYPE(io) == IoTYPE_SOCKET) {
1686 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1687 buffer+offset, length, 0);
1692 /* See the note at doio.c:do_print about filesize limits. --jhi */
1693 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1694 buffer+offset, length);
1698 else if (SP > MARK) {
1701 sockbuf = SvPVx(*++MARK, mlen);
1702 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1703 length, (struct sockaddr *)sockbuf, mlen);
1706 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1710 DIE(aTHX_ PL_no_sock_func, "send");
1715 #if Size_t_size > IVSIZE
1729 return pp_sysread();
1739 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1741 gv = PL_last_in_gv = PL_argvgv;
1743 if (io && !IoIFP(io)) {
1744 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1746 IoFLAGS(io) &= ~IOf_START;
1747 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1748 sv_setpvn(GvSV(gv), "-", 1);
1749 SvSETMAGIC(GvSV(gv));
1751 else if (!nextargv(gv))
1756 gv = PL_last_in_gv; /* eof */
1759 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1761 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1763 XPUSHs(SvTIED_obj((SV*)gv, mg));
1766 call_method("EOF", G_SCALAR);
1772 PUSHs(boolSV(!gv || do_eof(gv)));
1785 gv = PL_last_in_gv = (GV*)POPs;
1787 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1789 XPUSHs(SvTIED_obj((SV*)gv, mg));
1792 call_method("TELL", G_SCALAR);
1798 #if LSEEKSIZE > IVSIZE
1799 PUSHn( do_tell(gv) );
1801 PUSHi( do_tell(gv) );
1808 return pp_sysseek();
1816 #if LSEEKSIZE > IVSIZE
1817 Off_t offset = (Off_t)SvNVx(POPs);
1819 Off_t offset = (Off_t)SvIVx(POPs);
1823 gv = PL_last_in_gv = (GV*)POPs;
1825 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1827 XPUSHs(SvTIED_obj((SV*)gv, mg));
1828 #if LSEEKSIZE > IVSIZE
1829 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1831 XPUSHs(sv_2mortal(newSViv(offset)));
1833 XPUSHs(sv_2mortal(newSViv(whence)));
1836 call_method("SEEK", G_SCALAR);
1842 if (PL_op->op_type == OP_SEEK)
1843 PUSHs(boolSV(do_seek(gv, offset, whence)));
1845 Off_t sought = do_sysseek(gv, offset, whence);
1847 PUSHs(&PL_sv_undef);
1850 #if LSEEKSIZE > IVSIZE
1855 : newSVpvn(zero_but_true, ZBTLEN);
1856 PUSHs(sv_2mortal(sv));
1865 /* There seems to be no consensus on the length type of truncate()
1866 * and ftruncate(), both off_t and size_t have supporters. In
1867 * general one would think that when using large files, off_t is
1868 * at least as wide as size_t, so using an off_t should be okay. */
1869 /* XXX Configure probe for the length type of *truncate() needed XXX */
1875 #if Size_t_size > IVSIZE
1880 /* Checking for length < 0 is problematic as the type might or
1881 * might not be signed: if it is not, clever compilers will moan. */
1882 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1884 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1885 if (PL_op->op_flags & OPf_SPECIAL) {
1886 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1888 TAINT_PROPER("truncate");
1889 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1892 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
1894 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1896 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1906 if (SvTYPE(sv) == SVt_PVGV) {
1907 tmpgv = (GV*)sv; /* *main::FRED for example */
1910 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1911 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1915 name = SvPV(sv, n_a);
1916 TAINT_PROPER("truncate");
1918 if (truncate(name, len) < 0)
1923 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1926 if (my_chsize(tmpfd, len) < 0)
1928 PerlLIO_close(tmpfd);
1937 SETERRNO(EBADF,RMS$_IFI);
1940 DIE(aTHX_ "truncate not implemented");
1953 unsigned int func = U_I(POPn);
1954 int optype = PL_op->op_type;
1960 if (!io || !argsv || !IoIFP(io)) {
1961 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1965 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1968 s = SvPV_force(argsv, len);
1969 need = IOCPARM_LEN(func);
1971 s = Sv_Grow(argsv, need + 1);
1972 SvCUR_set(argsv, need);
1975 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1978 retval = SvIV(argsv);
1979 s = INT2PTR(char*,retval); /* ouch */
1982 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1984 if (optype == OP_IOCTL)
1986 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1988 DIE(aTHX_ "ioctl is not implemented");
1992 #if defined(OS2) && defined(__EMX__)
1993 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1995 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1998 DIE(aTHX_ "fcntl is not implemented");
2002 if (s[SvCUR(argsv)] != 17)
2003 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2004 PL_op_name[optype]);
2005 s[SvCUR(argsv)] = 0; /* put our null back */
2006 SvSETMAGIC(argsv); /* Assume it has changed */
2015 PUSHp(zero_but_true, ZBTLEN);
2035 if (gv && (io = GvIO(gv)))
2042 (void)PerlIO_flush(fp);
2043 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2046 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2047 report_evil_fh(gv, io, PL_op->op_type);
2049 SETERRNO(EBADF,RMS$_IFI);
2054 DIE(aTHX_ PL_no_func, "flock()");
2066 int protocol = POPi;
2074 SETERRNO(EBADF,LIB$_INVARG);
2080 do_close(gv, FALSE);
2082 TAINT_PROPER("socket");
2083 fd = PerlSock_socket(domain, type, protocol);
2086 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2087 IoOFP(io) = PerlIO_fdopen(fd, "w");
2088 IoTYPE(io) = IoTYPE_SOCKET;
2089 if (!IoIFP(io) || !IoOFP(io)) {
2090 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2091 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2092 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2095 #if defined(HAS_FCNTL) && defined(F_SETFD)
2096 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2101 DIE(aTHX_ PL_no_sock_func, "socket");
2108 #ifdef HAS_SOCKETPAIR
2113 int protocol = POPi;
2126 do_close(gv1, FALSE);
2128 do_close(gv2, FALSE);
2130 TAINT_PROPER("socketpair");
2131 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2133 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2134 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2135 IoTYPE(io1) = IoTYPE_SOCKET;
2136 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2137 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2138 IoTYPE(io2) = IoTYPE_SOCKET;
2139 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2140 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2141 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2142 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2143 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2144 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2145 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2148 #if defined(HAS_FCNTL) && defined(F_SETFD)
2149 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2150 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2155 DIE(aTHX_ PL_no_sock_func, "socketpair");
2163 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2164 extern GETPRIVMODE();
2165 extern GETUSERMODE();
2170 register IO *io = GvIOn(gv);
2174 int mpeprivmode = 0;
2177 if (!io || !IoIFP(io))
2180 addr = SvPV(addrsv, len);
2181 TAINT_PROPER("bind");
2182 #ifdef MPE /* Deal with MPE bind() peculiarities */
2183 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2184 /* The address *MUST* stupidly be zero. */
2185 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2186 /* PRIV mode is required to bind() to ports < 1024. */
2187 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2188 ((struct sockaddr_in *)addr)->sin_port > 0) {
2189 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2194 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2195 (struct sockaddr *)addr, len) >= 0)
2198 #ifdef MPE /* Switch back to USER mode */
2209 if (ckWARN(WARN_CLOSED))
2210 report_evil_fh(gv, io, PL_op->op_type);
2211 SETERRNO(EBADF,SS$_IVCHAN);
2214 DIE(aTHX_ PL_no_sock_func, "bind");
2225 register IO *io = GvIOn(gv);
2228 if (!io || !IoIFP(io))
2231 addr = SvPV(addrsv, len);
2232 TAINT_PROPER("connect");
2233 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2239 if (ckWARN(WARN_CLOSED))
2240 report_evil_fh(gv, io, PL_op->op_type);
2241 SETERRNO(EBADF,SS$_IVCHAN);
2244 DIE(aTHX_ PL_no_sock_func, "connect");
2254 register IO *io = GvIOn(gv);
2256 if (!io || !IoIFP(io))
2259 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2265 if (ckWARN(WARN_CLOSED))
2266 report_evil_fh(gv, io, PL_op->op_type);
2267 SETERRNO(EBADF,SS$_IVCHAN);
2270 DIE(aTHX_ PL_no_sock_func, "listen");
2282 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2283 Sock_size_t len = sizeof saddr;
2295 if (!gstio || !IoIFP(gstio))
2300 do_close(ngv, FALSE);
2302 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2305 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2306 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2307 IoTYPE(nstio) = IoTYPE_SOCKET;
2308 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2309 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2310 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2311 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2314 #if defined(HAS_FCNTL) && defined(F_SETFD)
2315 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2318 PUSHp((char *)&saddr, len);
2322 if (ckWARN(WARN_CLOSED))
2323 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2324 SETERRNO(EBADF,SS$_IVCHAN);
2330 DIE(aTHX_ PL_no_sock_func, "accept");
2340 register IO *io = GvIOn(gv);
2342 if (!io || !IoIFP(io))
2345 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2349 if (ckWARN(WARN_CLOSED))
2350 report_evil_fh(gv, io, PL_op->op_type);
2351 SETERRNO(EBADF,SS$_IVCHAN);
2354 DIE(aTHX_ PL_no_sock_func, "shutdown");
2361 return pp_ssockopt();
2363 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2371 int optype = PL_op->op_type;
2374 unsigned int optname;
2380 if (optype == OP_GSOCKOPT)
2381 sv = sv_2mortal(NEWSV(22, 257));
2384 optname = (unsigned int) POPi;
2385 lvl = (unsigned int) POPi;
2389 if (!io || !IoIFP(io))
2392 fd = PerlIO_fileno(IoIFP(io));
2396 (void)SvPOK_only(sv);
2400 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2415 aint = (int)SvIV(sv);
2419 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2428 if (ckWARN(WARN_CLOSED))
2429 report_evil_fh(gv, io, optype);
2430 SETERRNO(EBADF,SS$_IVCHAN);
2435 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2442 return pp_getpeername();
2444 DIE(aTHX_ PL_no_sock_func, "getsockname");
2452 int optype = PL_op->op_type;
2456 register IO *io = GvIOn(gv);
2459 if (!io || !IoIFP(io))
2462 sv = sv_2mortal(NEWSV(22, 257));
2463 (void)SvPOK_only(sv);
2467 fd = PerlIO_fileno(IoIFP(io));
2469 case OP_GETSOCKNAME:
2470 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2473 case OP_GETPEERNAME:
2474 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2476 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2478 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";
2479 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2480 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2481 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2482 sizeof(u_short) + sizeof(struct in_addr))) {
2489 #ifdef BOGUS_GETNAME_RETURN
2490 /* Interactive Unix, getpeername() and getsockname()
2491 does not return valid namelen */
2492 if (len == BOGUS_GETNAME_RETURN)
2493 len = sizeof(struct sockaddr);
2501 if (ckWARN(WARN_CLOSED))
2502 report_evil_fh(gv, io, optype);
2503 SETERRNO(EBADF,SS$_IVCHAN);
2508 DIE(aTHX_ PL_no_sock_func, "getpeername");
2527 if (PL_op->op_flags & OPf_REF) {
2529 if (PL_op->op_type == OP_LSTAT && ckWARN(WARN_IO))
2530 Perl_warner(aTHX_ WARN_IO,
2531 "lstat() on filehandle %s", GvENAME(gv));
2533 if (gv != PL_defgv) {
2534 PL_laststype = OP_STAT;
2536 sv_setpv(PL_statname, "");
2537 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2538 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2540 if (PL_laststatval < 0) {
2542 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2543 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2549 if (SvTYPE(sv) == SVt_PVGV) {
2553 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2557 sv_setpv(PL_statname, SvPV(sv,n_a));
2560 PL_laststype = PL_op->op_type;
2561 if (PL_op->op_type == OP_LSTAT)
2562 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2565 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2566 if (PL_laststatval < 0) {
2567 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2568 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2574 if (gimme != G_ARRAY) {
2575 if (gimme != G_VOID)
2576 XPUSHs(boolSV(max));
2582 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2583 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2584 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2585 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2586 #if Uid_t_size > IVSIZE
2587 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2589 # if Uid_t_sign <= 0
2590 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2592 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2595 #if Gid_t_size > IVSIZE
2596 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2598 # if Gid_t_sign <= 0
2599 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2601 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2604 #ifdef USE_STAT_RDEV
2605 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2607 PUSHs(sv_2mortal(newSVpvn("", 0)));
2609 #if Off_t_size > IVSIZE
2610 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2612 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2615 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2616 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2617 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2619 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2620 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2621 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2623 #ifdef USE_STAT_BLOCKS
2624 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2625 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2627 PUSHs(sv_2mortal(newSVpvn("", 0)));
2628 PUSHs(sv_2mortal(newSVpvn("", 0)));
2638 #if defined(HAS_ACCESS) && defined(R_OK)
2640 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2641 result = access(TOPpx, R_OK);
2656 if (cando(S_IRUSR, 0, &PL_statcache))
2665 #if defined(HAS_ACCESS) && defined(W_OK)
2667 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2668 result = access(TOPpx, W_OK);
2683 if (cando(S_IWUSR, 0, &PL_statcache))
2692 #if defined(HAS_ACCESS) && defined(X_OK)
2694 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2695 result = access(TOPpx, X_OK);
2710 if (cando(S_IXUSR, 0, &PL_statcache))
2719 #ifdef PERL_EFF_ACCESS_R_OK
2721 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2722 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2737 if (cando(S_IRUSR, 1, &PL_statcache))
2746 #ifdef PERL_EFF_ACCESS_W_OK
2748 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2749 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2764 if (cando(S_IWUSR, 1, &PL_statcache))
2773 #ifdef PERL_EFF_ACCESS_X_OK
2775 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2776 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2791 if (cando(S_IXUSR, 1, &PL_statcache))
2798 I32 result = my_stat();
2807 return pp_ftrowned();
2812 I32 result = my_stat();
2816 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2824 I32 result = my_stat();
2828 if (PL_statcache.st_size == 0)
2835 I32 result = my_stat();
2839 #if Off_t_size > IVSIZE
2840 PUSHn(PL_statcache.st_size);
2842 PUSHi(PL_statcache.st_size);
2849 I32 result = my_stat();
2853 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2859 I32 result = my_stat();
2863 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2869 I32 result = my_stat();
2873 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2879 I32 result = my_stat();
2883 if (S_ISSOCK(PL_statcache.st_mode))
2890 I32 result = my_stat();
2894 if (S_ISCHR(PL_statcache.st_mode))
2901 I32 result = my_stat();
2905 if (S_ISBLK(PL_statcache.st_mode))
2912 I32 result = my_stat();
2916 if (S_ISREG(PL_statcache.st_mode))
2923 I32 result = my_stat();
2927 if (S_ISDIR(PL_statcache.st_mode))
2934 I32 result = my_stat();
2938 if (S_ISFIFO(PL_statcache.st_mode))
2945 I32 result = my_lstat();
2949 if (S_ISLNK(PL_statcache.st_mode))
2958 I32 result = my_stat();
2962 if (PL_statcache.st_mode & S_ISUID)
2972 I32 result = my_stat();
2976 if (PL_statcache.st_mode & S_ISGID)
2986 I32 result = my_stat();
2990 if (PL_statcache.st_mode & S_ISVTX)
3001 char *tmps = Nullch;
3004 if (PL_op->op_flags & OPf_REF)
3006 else if (isGV(TOPs))
3008 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3009 gv = (GV*)SvRV(POPs);
3011 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3013 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3014 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3015 else if (tmps && isDIGIT(*tmps))
3019 if (PerlLIO_isatty(fd))
3024 #if defined(atarist) /* this will work with atariST. Configure will
3025 make guesses for other systems. */
3026 # define FILE_base(f) ((f)->_base)
3027 # define FILE_ptr(f) ((f)->_ptr)
3028 # define FILE_cnt(f) ((f)->_cnt)
3029 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3039 register STDCHAR *s;
3046 if (PL_op->op_flags & OPf_REF)
3048 else if (isGV(TOPs))
3050 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3051 gv = (GV*)SvRV(POPs);
3057 if (gv == PL_defgv) {
3059 io = GvIO(PL_statgv);
3062 goto really_filename;
3067 PL_laststatval = -1;
3068 sv_setpv(PL_statname, "");
3069 io = GvIO(PL_statgv);
3071 if (io && IoIFP(io)) {
3072 if (! PerlIO_has_base(IoIFP(io)))
3073 DIE(aTHX_ "-T and -B not implemented on filehandles");
3074 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3075 if (PL_laststatval < 0)
3077 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3078 if (PL_op->op_type == OP_FTTEXT)
3082 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3083 i = PerlIO_getc(IoIFP(io));
3085 (void)PerlIO_ungetc(IoIFP(io),i);
3087 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3089 len = PerlIO_get_bufsiz(IoIFP(io));
3090 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3091 /* sfio can have large buffers - limit to 512 */
3097 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3099 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3101 SETERRNO(EBADF,RMS$_IFI);
3109 PL_laststatval = -1;
3110 sv_setpv(PL_statname, SvPV(sv, n_a));
3111 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3112 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3113 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3116 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3117 if (PL_laststatval < 0) {
3118 (void)PerlIO_close(fp);
3121 do_binmode(fp, '<', O_BINARY);
3122 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3123 (void)PerlIO_close(fp);
3125 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3126 RETPUSHNO; /* special case NFS directories */
3127 RETPUSHYES; /* null file is anything */
3132 /* now scan s to look for textiness */
3133 /* XXX ASCII dependent code */
3135 #if defined(DOSISH) || defined(USEMYBINMODE)
3136 /* ignore trailing ^Z on short files */
3137 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3141 for (i = 0; i < len; i++, s++) {
3142 if (!*s) { /* null never allowed in text */
3147 else if (!(isPRINT(*s) || isSPACE(*s)))
3150 else if (*s & 128) {
3152 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3155 /* utf8 characters don't count as odd */
3157 int ulen = UTF8SKIP(s);
3158 if (ulen < len - i) {
3160 for (j = 1; j < ulen; j++) {
3161 if ((s[j] & 0xc0) != 0x80)
3164 --ulen; /* loop does extra increment */
3174 *s != '\n' && *s != '\r' && *s != '\b' &&
3175 *s != '\t' && *s != '\f' && *s != 27)
3180 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3204 if (!tmps || !*tmps) {
3205 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3207 tmps = SvPV(*svp, n_a);
3209 if (!tmps || !*tmps) {
3210 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3212 tmps = SvPV(*svp, n_a);
3215 if (!tmps || !*tmps) {
3216 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3218 tmps = SvPV(*svp, n_a);
3221 TAINT_PROPER("chdir");
3222 PUSHi( PerlDir_chdir(tmps) >= 0 );
3224 /* Clear the DEFAULT element of ENV so we'll get the new value
3226 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3233 djSP; dMARK; dTARGET;
3236 value = (I32)apply(PL_op->op_type, MARK, SP);
3241 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3252 TAINT_PROPER("chroot");
3253 PUSHi( chroot(tmps) >= 0 );
3256 DIE(aTHX_ PL_no_func, "chroot");
3262 djSP; dMARK; dTARGET;
3264 value = (I32)apply(PL_op->op_type, MARK, SP);
3272 djSP; dMARK; dTARGET;
3274 value = (I32)apply(PL_op->op_type, MARK, SP);
3282 djSP; dMARK; dTARGET;
3284 value = (I32)apply(PL_op->op_type, MARK, SP);
3296 char *tmps2 = POPpx;
3297 char *tmps = SvPV(TOPs, n_a);
3298 TAINT_PROPER("rename");
3300 anum = PerlLIO_rename(tmps, tmps2);
3302 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3303 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3306 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3307 (void)UNLINK(tmps2);
3308 if (!(anum = link(tmps, tmps2)))
3309 anum = UNLINK(tmps);
3322 char *tmps2 = POPpx;
3323 char *tmps = SvPV(TOPs, n_a);
3324 TAINT_PROPER("link");
3325 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3327 DIE(aTHX_ PL_no_func, "Unsupported function link");
3337 char *tmps2 = POPpx;
3338 char *tmps = SvPV(TOPs, n_a);
3339 TAINT_PROPER("symlink");
3340 SETi( symlink(tmps, tmps2) >= 0 );
3343 DIE(aTHX_ PL_no_func, "symlink");
3352 char buf[MAXPATHLEN];
3356 #ifndef INCOMPLETE_TAINTS
3360 len = readlink(tmps, buf, sizeof buf);
3368 RETSETUNDEF; /* just pretend it's a normal file */
3372 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3374 S_dooneliner(pTHX_ char *cmd, char *filename)
3376 char *save_filename = filename;
3382 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3383 strcpy(cmdline, cmd);
3384 strcat(cmdline, " ");
3385 for (s = cmdline + strlen(cmdline); *filename; ) {
3390 myfp = PerlProc_popen(cmdline, "r");
3394 SV *tmpsv = sv_newmortal();
3395 /* Need to save/restore 'PL_rs' ?? */
3396 s = sv_gets(tmpsv, myfp, 0);
3397 (void)PerlProc_pclose(myfp);
3401 #ifdef HAS_SYS_ERRLIST
3406 /* you don't see this */
3408 #ifdef HAS_SYS_ERRLIST
3416 if (instr(s, errmsg)) {
3423 #define EACCES EPERM
3425 if (instr(s, "cannot make"))
3426 SETERRNO(EEXIST,RMS$_FEX);
3427 else if (instr(s, "existing file"))
3428 SETERRNO(EEXIST,RMS$_FEX);
3429 else if (instr(s, "ile exists"))
3430 SETERRNO(EEXIST,RMS$_FEX);
3431 else if (instr(s, "non-exist"))
3432 SETERRNO(ENOENT,RMS$_FNF);
3433 else if (instr(s, "does not exist"))
3434 SETERRNO(ENOENT,RMS$_FNF);
3435 else if (instr(s, "not empty"))
3436 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3437 else if (instr(s, "cannot access"))
3438 SETERRNO(EACCES,RMS$_PRV);
3440 SETERRNO(EPERM,RMS$_PRV);
3443 else { /* some mkdirs return no failure indication */
3444 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3445 if (PL_op->op_type == OP_RMDIR)
3450 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3474 tmps = SvPV(TOPs, n_a);
3476 TAINT_PROPER("mkdir");
3478 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3480 SETi( dooneliner("mkdir", tmps) );
3481 oldumask = PerlLIO_umask(0);
3482 PerlLIO_umask(oldumask);
3483 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3495 TAINT_PROPER("rmdir");
3497 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3499 XPUSHi( dooneliner("rmdir", tmps) );
3504 /* Directory calls. */
3509 #if defined(Direntry_t) && defined(HAS_READDIR)
3511 char *dirname = POPpx;
3513 register IO *io = GvIOn(gv);
3519 PerlDir_close(IoDIRP(io));
3520 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3526 SETERRNO(EBADF,RMS$_DIR);
3529 DIE(aTHX_ PL_no_dir_func, "opendir");
3536 #if defined(Direntry_t) && defined(HAS_READDIR)
3538 Direntry_t *readdir (DIR *);
3540 register Direntry_t *dp;
3542 register IO *io = GvIOn(gv);
3545 if (!io || !IoDIRP(io))
3548 if (GIMME == G_ARRAY) {
3550 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3552 sv = newSVpvn(dp->d_name, dp->d_namlen);
3554 sv = newSVpv(dp->d_name, 0);
3556 #ifndef INCOMPLETE_TAINTS
3557 if (!(IoFLAGS(io) & IOf_UNTAINT))
3560 XPUSHs(sv_2mortal(sv));
3564 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3567 sv = newSVpvn(dp->d_name, dp->d_namlen);
3569 sv = newSVpv(dp->d_name, 0);
3571 #ifndef INCOMPLETE_TAINTS
3572 if (!(IoFLAGS(io) & IOf_UNTAINT))
3575 XPUSHs(sv_2mortal(sv));
3581 SETERRNO(EBADF,RMS$_ISI);
3582 if (GIMME == G_ARRAY)
3587 DIE(aTHX_ PL_no_dir_func, "readdir");
3594 #if defined(HAS_TELLDIR) || defined(telldir)
3595 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3596 /* XXX netbsd still seemed to.
3597 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3598 --JHI 1999-Feb-02 */
3599 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3600 long telldir (DIR *);
3603 register IO *io = GvIOn(gv);
3605 if (!io || !IoDIRP(io))
3608 PUSHi( PerlDir_tell(IoDIRP(io)) );
3612 SETERRNO(EBADF,RMS$_ISI);
3615 DIE(aTHX_ PL_no_dir_func, "telldir");
3622 #if defined(HAS_SEEKDIR) || defined(seekdir)
3625 register IO *io = GvIOn(gv);
3627 if (!io || !IoDIRP(io))
3630 (void)PerlDir_seek(IoDIRP(io), along);
3635 SETERRNO(EBADF,RMS$_ISI);
3638 DIE(aTHX_ PL_no_dir_func, "seekdir");
3645 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3647 register IO *io = GvIOn(gv);
3649 if (!io || !IoDIRP(io))
3652 (void)PerlDir_rewind(IoDIRP(io));
3656 SETERRNO(EBADF,RMS$_ISI);
3659 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3666 #if defined(Direntry_t) && defined(HAS_READDIR)
3668 register IO *io = GvIOn(gv);
3670 if (!io || !IoDIRP(io))
3673 #ifdef VOID_CLOSEDIR
3674 PerlDir_close(IoDIRP(io));
3676 if (PerlDir_close(IoDIRP(io)) < 0) {
3677 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3686 SETERRNO(EBADF,RMS$_IFI);
3689 DIE(aTHX_ PL_no_dir_func, "closedir");
3693 /* Process control. */
3703 PERL_FLUSHALL_FOR_CHILD;
3709 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3710 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3711 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3716 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3721 PERL_FLUSHALL_FOR_CHILD;
3722 childpid = PerlProc_fork();
3728 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3735 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3740 childpid = wait4pid(-1, &argflags, 0);
3741 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3742 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3743 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3745 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3750 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3756 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3764 childpid = wait4pid(childpid, &argflags, optype);
3765 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3766 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3767 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3769 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3774 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3780 djSP; dMARK; dORIGMARK; dTARGET;
3785 Sigsave_t ihand,qhand; /* place to save signals during system() */
3790 if (SP - MARK == 1) {
3792 char *junk = SvPV(TOPs, n_a);
3794 TAINT_PROPER("system");
3797 PERL_FLUSHALL_FOR_CHILD;
3798 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3799 if (PerlProc_pipe(pp) >= 0)
3801 while ((childpid = vfork()) == -1) {
3802 if (errno != EAGAIN) {
3807 PerlLIO_close(pp[0]);
3808 PerlLIO_close(pp[1]);
3816 PerlLIO_close(pp[1]);
3818 rsignal_save(SIGINT, SIG_IGN, &ihand);
3819 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3822 result = wait4pid(childpid, &status, 0);
3823 } while (result == -1 && errno == EINTR);
3825 (void)rsignal_restore(SIGINT, &ihand);
3826 (void)rsignal_restore(SIGQUIT, &qhand);
3828 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3829 do_execfree(); /* free any memory child malloced on vfork */
3835 while (n < sizeof(int)) {
3836 n1 = PerlLIO_read(pp[0],
3837 (void*)(((char*)&errkid)+n),
3843 PerlLIO_close(pp[0]);
3844 if (n) { /* Error */
3845 if (n != sizeof(int))
3846 DIE(aTHX_ "panic: kid popen errno read");
3847 errno = errkid; /* Propagate errno from kid */
3848 STATUS_CURRENT = -1;
3851 PUSHi(STATUS_CURRENT);
3855 PerlLIO_close(pp[0]);
3856 #if defined(HAS_FCNTL) && defined(F_SETFD)
3857 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3860 if (PL_op->op_flags & OPf_STACKED) {
3861 SV *really = *++MARK;
3862 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3864 else if (SP - MARK != 1)
3865 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3867 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3870 #else /* ! FORK or VMS or OS/2 */
3871 if (PL_op->op_flags & OPf_STACKED) {
3872 SV *really = *++MARK;
3873 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3875 else if (SP - MARK != 1)
3876 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3878 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3880 STATUS_NATIVE_SET(value);
3883 PUSHi(STATUS_CURRENT);
3884 #endif /* !FORK or VMS */
3890 djSP; dMARK; dORIGMARK; dTARGET;
3894 PERL_FLUSHALL_FOR_CHILD;
3895 if (PL_op->op_flags & OPf_STACKED) {
3896 SV *really = *++MARK;
3897 value = (I32)do_aexec(really, MARK, SP);
3899 else if (SP - MARK != 1)
3901 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3905 (void ) do_aspawn(Nullsv, MARK, SP);
3909 value = (I32)do_aexec(Nullsv, MARK, SP);
3914 char *junk = SvPV(*SP, n_a);
3916 TAINT_PROPER("exec");
3919 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3922 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3925 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3930 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3942 djSP; dMARK; dTARGET;
3945 value = (I32)apply(PL_op->op_type, MARK, SP);
3950 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3958 XPUSHi( getppid() );
3961 DIE(aTHX_ PL_no_func, "getppid");
3977 pgrp = (I32)BSD_GETPGRP(pid);
3979 if (pid != 0 && pid != PerlProc_getpid())
3980 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3986 DIE(aTHX_ PL_no_func, "getpgrp()");
4005 TAINT_PROPER("setpgrp");
4007 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4009 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4010 || (pid != 0 && pid != PerlProc_getpid()))
4012 DIE(aTHX_ "setpgrp can't take arguments");
4014 SETi( setpgrp() >= 0 );
4015 #endif /* USE_BSDPGRP */
4018 DIE(aTHX_ PL_no_func, "setpgrp()");
4027 #ifdef HAS_GETPRIORITY
4030 SETi( getpriority(which, who) );
4033 DIE(aTHX_ PL_no_func, "getpriority()");
4043 #ifdef HAS_SETPRIORITY
4047 TAINT_PROPER("setpriority");
4048 SETi( setpriority(which, who, niceval) >= 0 );
4051 DIE(aTHX_ PL_no_func, "setpriority()");
4061 XPUSHn( time(Null(Time_t*)) );
4063 XPUSHi( time(Null(Time_t*)) );
4068 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4069 to HZ. Probably. For now, assume that if the system
4070 defines HZ, it does so correctly. (Will this break
4072 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4073 it's supported. --AD 9/96.
4089 DIE(aTHX_ "times not implemented");
4094 (void)PerlProc_times(&PL_timesbuf);
4096 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4097 /* struct tms, though same data */
4101 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4102 if (GIMME == G_ARRAY) {
4103 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4104 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4105 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4108 #endif /* HAS_TIMES */
4121 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4122 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4123 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4129 when = (Time_t)SvNVx(POPs);
4131 when = (Time_t)SvIVx(POPs);
4134 if (PL_op->op_type == OP_LOCALTIME)
4135 tmbuf = localtime(&when);
4137 tmbuf = gmtime(&when);
4141 if (GIMME != G_ARRAY) {
4145 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4146 dayname[tmbuf->tm_wday],
4147 monname[tmbuf->tm_mon],
4152 tmbuf->tm_year + 1900);
4153 PUSHs(sv_2mortal(tsv));
4156 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4157 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4158 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4159 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4160 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4161 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4162 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4163 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4164 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4175 anum = alarm((unsigned int)anum);
4182 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4193 (void)time(&lasttime);
4198 PerlProc_sleep((unsigned int)duration);
4201 XPUSHi(when - lasttime);
4205 /* Shared memory. */
4219 return pp_shmwrite();
4224 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4225 djSP; dMARK; dTARGET;
4226 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4235 /* Message passing. */
4249 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4250 djSP; dMARK; dTARGET;
4251 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4262 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4263 djSP; dMARK; dTARGET;
4264 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4277 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4278 djSP; dMARK; dTARGET;
4279 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4286 DIE(aTHX_ "System V IPC is not implemented on this machine");
4292 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4293 djSP; dMARK; dTARGET;
4294 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4302 PUSHp(zero_but_true, ZBTLEN);
4312 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4313 djSP; dMARK; dTARGET;
4314 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4323 /* Get system info. */
4327 #ifdef HAS_GETHOSTBYNAME
4328 return pp_ghostent();
4330 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4336 #ifdef HAS_GETHOSTBYADDR
4337 return pp_ghostent();
4339 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4346 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4347 I32 which = PL_op->op_type;
4348 register char **elem;
4350 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4351 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4352 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4353 struct hostent *PerlSock_gethostent(void);
4355 struct hostent *hent;
4360 if (which == OP_GHBYNAME)
4361 #ifdef HAS_GETHOSTBYNAME
4362 hent = PerlSock_gethostbyname(POPpx);
4364 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4366 else if (which == OP_GHBYADDR) {
4367 #ifdef HAS_GETHOSTBYADDR
4368 int addrtype = POPi;
4371 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4373 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4375 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4379 #ifdef HAS_GETHOSTENT
4380 hent = PerlSock_gethostent();
4382 DIE(aTHX_ PL_no_sock_func, "gethostent");
4385 #ifdef HOST_NOT_FOUND
4387 STATUS_NATIVE_SET(h_errno);
4390 if (GIMME != G_ARRAY) {
4391 PUSHs(sv = sv_newmortal());
4393 if (which == OP_GHBYNAME) {
4395 sv_setpvn(sv, hent->h_addr, hent->h_length);
4398 sv_setpv(sv, (char*)hent->h_name);
4404 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4405 sv_setpv(sv, (char*)hent->h_name);
4406 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4407 for (elem = hent->h_aliases; elem && *elem; elem++) {
4408 sv_catpv(sv, *elem);
4410 sv_catpvn(sv, " ", 1);
4412 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4413 sv_setiv(sv, (IV)hent->h_addrtype);
4414 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4415 len = hent->h_length;
4416 sv_setiv(sv, (IV)len);
4418 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4419 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4420 sv_setpvn(sv, *elem, len);
4423 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4425 sv_setpvn(sv, hent->h_addr, len);
4430 DIE(aTHX_ PL_no_sock_func, "gethostent");
4436 #ifdef HAS_GETNETBYNAME
4437 return pp_gnetent();
4439 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4445 #ifdef HAS_GETNETBYADDR
4446 return pp_gnetent();
4448 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4455 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4456 I32 which = PL_op->op_type;
4457 register char **elem;
4459 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4460 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4461 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4462 struct netent *PerlSock_getnetent(void);
4464 struct netent *nent;
4467 if (which == OP_GNBYNAME)
4468 #ifdef HAS_GETNETBYNAME
4469 nent = PerlSock_getnetbyname(POPpx);
4471 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4473 else if (which == OP_GNBYADDR) {
4474 #ifdef HAS_GETNETBYADDR
4475 int addrtype = POPi;
4476 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4477 nent = PerlSock_getnetbyaddr(addr, addrtype);
4479 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4483 #ifdef HAS_GETNETENT
4484 nent = PerlSock_getnetent();
4486 DIE(aTHX_ PL_no_sock_func, "getnetent");
4490 if (GIMME != G_ARRAY) {
4491 PUSHs(sv = sv_newmortal());
4493 if (which == OP_GNBYNAME)
4494 sv_setiv(sv, (IV)nent->n_net);
4496 sv_setpv(sv, nent->n_name);
4502 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4503 sv_setpv(sv, nent->n_name);
4504 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4505 for (elem = nent->n_aliases; elem && *elem; elem++) {
4506 sv_catpv(sv, *elem);
4508 sv_catpvn(sv, " ", 1);
4510 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4511 sv_setiv(sv, (IV)nent->n_addrtype);
4512 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4513 sv_setiv(sv, (IV)nent->n_net);
4518 DIE(aTHX_ PL_no_sock_func, "getnetent");
4524 #ifdef HAS_GETPROTOBYNAME
4525 return pp_gprotoent();
4527 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4533 #ifdef HAS_GETPROTOBYNUMBER
4534 return pp_gprotoent();
4536 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4543 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4544 I32 which = PL_op->op_type;
4545 register char **elem;
4547 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4548 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4549 struct protoent *PerlSock_getprotobynumber(int);
4550 struct protoent *PerlSock_getprotoent(void);
4552 struct protoent *pent;
4555 if (which == OP_GPBYNAME)
4556 #ifdef HAS_GETPROTOBYNAME
4557 pent = PerlSock_getprotobyname(POPpx);
4559 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4561 else if (which == OP_GPBYNUMBER)
4562 #ifdef HAS_GETPROTOBYNUMBER
4563 pent = PerlSock_getprotobynumber(POPi);
4565 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4568 #ifdef HAS_GETPROTOENT
4569 pent = PerlSock_getprotoent();
4571 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4575 if (GIMME != G_ARRAY) {
4576 PUSHs(sv = sv_newmortal());
4578 if (which == OP_GPBYNAME)
4579 sv_setiv(sv, (IV)pent->p_proto);
4581 sv_setpv(sv, pent->p_name);
4587 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4588 sv_setpv(sv, pent->p_name);
4589 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4590 for (elem = pent->p_aliases; elem && *elem; elem++) {
4591 sv_catpv(sv, *elem);
4593 sv_catpvn(sv, " ", 1);
4595 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4596 sv_setiv(sv, (IV)pent->p_proto);
4601 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4607 #ifdef HAS_GETSERVBYNAME
4608 return pp_gservent();
4610 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4616 #ifdef HAS_GETSERVBYPORT
4617 return pp_gservent();
4619 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4626 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4627 I32 which = PL_op->op_type;
4628 register char **elem;
4630 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4631 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4632 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4633 struct servent *PerlSock_getservent(void);
4635 struct servent *sent;
4638 if (which == OP_GSBYNAME) {
4639 #ifdef HAS_GETSERVBYNAME
4640 char *proto = POPpx;
4643 if (proto && !*proto)
4646 sent = PerlSock_getservbyname(name, proto);
4648 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4651 else if (which == OP_GSBYPORT) {
4652 #ifdef HAS_GETSERVBYPORT
4653 char *proto = POPpx;
4654 unsigned short port = POPu;
4657 port = PerlSock_htons(port);
4659 sent = PerlSock_getservbyport(port, proto);
4661 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4665 #ifdef HAS_GETSERVENT
4666 sent = PerlSock_getservent();
4668 DIE(aTHX_ PL_no_sock_func, "getservent");
4672 if (GIMME != G_ARRAY) {
4673 PUSHs(sv = sv_newmortal());
4675 if (which == OP_GSBYNAME) {
4677 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4679 sv_setiv(sv, (IV)(sent->s_port));
4683 sv_setpv(sv, sent->s_name);
4689 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4690 sv_setpv(sv, sent->s_name);
4691 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4692 for (elem = sent->s_aliases; elem && *elem; elem++) {
4693 sv_catpv(sv, *elem);
4695 sv_catpvn(sv, " ", 1);
4697 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4699 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4701 sv_setiv(sv, (IV)(sent->s_port));
4703 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4704 sv_setpv(sv, sent->s_proto);
4709 DIE(aTHX_ PL_no_sock_func, "getservent");
4716 #ifdef HAS_SETHOSTENT
4717 PerlSock_sethostent(TOPi);
4720 DIE(aTHX_ PL_no_sock_func, "sethostent");
4727 #ifdef HAS_SETNETENT
4728 PerlSock_setnetent(TOPi);
4731 DIE(aTHX_ PL_no_sock_func, "setnetent");
4738 #ifdef HAS_SETPROTOENT
4739 PerlSock_setprotoent(TOPi);
4742 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4749 #ifdef HAS_SETSERVENT
4750 PerlSock_setservent(TOPi);
4753 DIE(aTHX_ PL_no_sock_func, "setservent");
4760 #ifdef HAS_ENDHOSTENT
4761 PerlSock_endhostent();
4765 DIE(aTHX_ PL_no_sock_func, "endhostent");
4772 #ifdef HAS_ENDNETENT
4773 PerlSock_endnetent();
4777 DIE(aTHX_ PL_no_sock_func, "endnetent");
4784 #ifdef HAS_ENDPROTOENT
4785 PerlSock_endprotoent();
4789 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4796 #ifdef HAS_ENDSERVENT
4797 PerlSock_endservent();
4801 DIE(aTHX_ PL_no_sock_func, "endservent");
4810 DIE(aTHX_ PL_no_func, "getpwnam");
4819 DIE(aTHX_ PL_no_func, "getpwuid");
4827 I32 which = PL_op->op_type;
4830 struct passwd *pwent = NULL;
4832 * We currently support only the SysV getsp* shadow password interface.
4833 * The interface is declared in <shadow.h> and often one needs to link
4834 * with -lsecurity or some such.
4835 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
4838 * AIX getpwnam() is clever enough to return the encrypted password
4839 * only if the caller (euid?) is root.
4841 * There are at least two other shadow password APIs. Many platforms
4842 * seem to contain more than one interface for accessing the shadow
4843 * password databases, possibly for compatibility reasons.
4844 * The getsp*() is by far he simplest one, the other two interfaces
4845 * are much more complicated, but also very similar to each other.
4850 * struct pr_passwd *getprpw*();
4851 * The password is in
4852 * char getprpw*(...).ufld.fd_encrypt[]
4853 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
4858 * struct es_passwd *getespw*();
4859 * The password is in
4860 * char *(getespw*(...).ufld.fd_encrypt)
4861 * Mention HAS_GETESPWNAM here so that Configure probes for it.
4863 * Mention I_PROT here so that Configure probes for it.
4865 * In HP-UX for getprpw*() the manual page claims that one should include
4866 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
4867 * if one includes <shadow.h> as that includes <hpsecurity.h>,
4868 * and pp_sys.c already includes <shadow.h> if there is such.
4870 * Note that <sys/security.h> is already probed for, but currently
4871 * it is only included in special cases.
4873 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
4874 * be preferred interface, even though also the getprpw*() interface
4875 * is available) one needs to link with -lsecurity -ldb -laud -lm.
4876 * One also needs to call set_auth_parameters() in main() before
4877 * doing anything else, whether one is using getespw*() or getprpw*().
4879 * Note that accessing the shadow databases can be magnitudes
4880 * slower than accessing the standard databases.
4887 pwent = getpwnam(POPpx);
4890 pwent = getpwuid((Uid_t)POPi);
4893 # ifdef HAS_GETPWENT
4896 DIE(aTHX_ PL_no_func, "getpwent");
4902 if (GIMME != G_ARRAY) {
4903 PUSHs(sv = sv_newmortal());
4905 if (which == OP_GPWNAM)
4906 # if Uid_t_sign <= 0
4907 sv_setiv(sv, (IV)pwent->pw_uid);
4909 sv_setuv(sv, (UV)pwent->pw_uid);
4912 sv_setpv(sv, pwent->pw_name);
4918 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4919 sv_setpv(sv, pwent->pw_name);
4921 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4923 /* If we have getspnam(), we try to dig up the shadow
4924 * password. If we are underprivileged, the shadow
4925 * interface will set the errno to EACCES or similar,
4926 * and return a null pointer. If this happens, we will
4927 * use the dummy password (usually "*" or "x") from the
4928 * standard password database.
4930 * In theory we could skip the shadow call completely
4931 * if euid != 0 but in practice we cannot know which
4932 * security measures are guarding the shadow databases
4933 * on a random platform.
4935 * Resist the urge to use additional shadow interfaces.
4936 * Divert the urge to writing an extension instead.
4939 # ifdef HAS_GETSPNAM
4941 struct spwd *spwent;
4942 int saverrno; /* Save and restore errno so that
4943 * underprivileged attempts seem
4944 * to have never made the unsccessful
4945 * attempt to retrieve the shadow password. */
4948 spwent = getspnam(pwent->pw_name);
4950 if (spwent && spwent->sp_pwdp)
4951 sv_setpv(sv, spwent->sp_pwdp);
4954 if (!SvPOK(sv)) /* Use the standard password, then. */
4955 sv_setpv(sv, pwent->pw_passwd);
4957 # ifndef INCOMPLETE_TAINTS
4958 /* passwd is tainted because user himself can diddle with it.
4959 * admittedly not much and in a very limited way, but nevertheless. */
4963 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4964 # if Uid_t_sign <= 0
4965 sv_setiv(sv, (IV)pwent->pw_uid);
4967 sv_setuv(sv, (UV)pwent->pw_uid);
4970 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4971 # if Uid_t_sign <= 0
4972 sv_setiv(sv, (IV)pwent->pw_gid);
4974 sv_setuv(sv, (UV)pwent->pw_gid);
4976 /* pw_change, pw_quota, and pw_age are mutually exclusive--
4977 * because of the poor interface of the Perl getpw*(),
4978 * not because there's some standard/convention saying so.
4979 * A better interface would have been to return a hash,
4980 * but we are accursed by our history, alas. --jhi. */
4981 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4983 sv_setiv(sv, (IV)pwent->pw_change);
4986 sv_setiv(sv, (IV)pwent->pw_quota);
4989 sv_setpv(sv, pwent->pw_age);
4994 /* pw_class and pw_comment are mutually exclusive--.
4995 * see the above note for pw_change, pw_quota, and pw_age. */
4996 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4998 sv_setpv(sv, pwent->pw_class);
5001 sv_setpv(sv, pwent->pw_comment);
5005 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5007 sv_setpv(sv, pwent->pw_gecos);
5009 # ifndef INCOMPLETE_TAINTS
5010 /* pw_gecos is tainted because user himself can diddle with it. */
5014 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5015 sv_setpv(sv, pwent->pw_dir);
5017 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5018 sv_setpv(sv, pwent->pw_shell);
5019 # ifndef INCOMPLETE_TAINTS
5020 /* pw_shell is tainted because user himself can diddle with it. */
5025 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5026 sv_setiv(sv, (IV)pwent->pw_expire);
5031 DIE(aTHX_ PL_no_func, "getpwent");
5038 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5042 DIE(aTHX_ PL_no_func, "setpwent");
5049 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5053 DIE(aTHX_ PL_no_func, "endpwent");
5062 DIE(aTHX_ PL_no_func, "getgrnam");
5071 DIE(aTHX_ PL_no_func, "getgrgid");
5079 I32 which = PL_op->op_type;
5080 register char **elem;
5082 struct group *grent;
5085 if (which == OP_GGRNAM)
5086 grent = (struct group *)getgrnam(POPpx);
5087 else if (which == OP_GGRGID)
5088 grent = (struct group *)getgrgid(POPi);
5091 grent = (struct group *)getgrent();
5093 DIE(aTHX_ PL_no_func, "getgrent");
5097 if (GIMME != G_ARRAY) {
5098 PUSHs(sv = sv_newmortal());
5100 if (which == OP_GGRNAM)
5101 sv_setiv(sv, (IV)grent->gr_gid);
5103 sv_setpv(sv, grent->gr_name);
5109 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5110 sv_setpv(sv, grent->gr_name);
5112 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5114 sv_setpv(sv, grent->gr_passwd);
5117 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5118 sv_setiv(sv, (IV)grent->gr_gid);
5120 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5121 for (elem = grent->gr_mem; elem && *elem; elem++) {
5122 sv_catpv(sv, *elem);
5124 sv_catpvn(sv, " ", 1);
5130 DIE(aTHX_ PL_no_func, "getgrent");
5137 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5141 DIE(aTHX_ PL_no_func, "setgrent");
5148 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5152 DIE(aTHX_ PL_no_func, "endgrent");
5162 if (!(tmps = PerlProc_getlogin()))
5164 PUSHp(tmps, strlen(tmps));
5167 DIE(aTHX_ PL_no_func, "getlogin");
5171 /* Miscellaneous. */
5176 djSP; dMARK; dORIGMARK; dTARGET;
5177 register I32 items = SP - MARK;
5178 unsigned long a[20];
5184 while (++MARK <= SP) {
5185 if (SvTAINTED(*MARK)) {
5191 TAINT_PROPER("syscall");
5194 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5195 * or where sizeof(long) != sizeof(char*). But such machines will
5196 * not likely have syscall implemented either, so who cares?
5198 while (++MARK <= SP) {
5199 if (SvNIOK(*MARK) || !i)
5200 a[i++] = SvIV(*MARK);
5201 else if (*MARK == &PL_sv_undef)
5204 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5210 DIE(aTHX_ "Too many args to syscall");
5212 DIE(aTHX_ "Too few args to syscall");
5214 retval = syscall(a[0]);
5217 retval = syscall(a[0],a[1]);
5220 retval = syscall(a[0],a[1],a[2]);
5223 retval = syscall(a[0],a[1],a[2],a[3]);
5226 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5229 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5232 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5235 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5239 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5242 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5245 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5249 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5253 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5257 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5258 a[10],a[11],a[12],a[13]);
5260 #endif /* atarist */
5266 DIE(aTHX_ PL_no_func, "syscall");
5270 #ifdef FCNTL_EMULATE_FLOCK
5272 /* XXX Emulate flock() with fcntl().
5273 What's really needed is a good file locking module.
5277 fcntl_emulate_flock(int fd, int operation)
5281 switch (operation & ~LOCK_NB) {
5283 flock.l_type = F_RDLCK;
5286 flock.l_type = F_WRLCK;
5289 flock.l_type = F_UNLCK;
5295 flock.l_whence = SEEK_SET;
5296 flock.l_start = flock.l_len = (Off_t)0;
5298 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5301 #endif /* FCNTL_EMULATE_FLOCK */
5303 #ifdef LOCKF_EMULATE_FLOCK
5305 /* XXX Emulate flock() with lockf(). This is just to increase
5306 portability of scripts. The calls are not completely
5307 interchangeable. What's really needed is a good file
5311 /* The lockf() constants might have been defined in <unistd.h>.
5312 Unfortunately, <unistd.h> causes troubles on some mixed
5313 (BSD/POSIX) systems, such as SunOS 4.1.3.
5315 Further, the lockf() constants aren't POSIX, so they might not be
5316 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5317 just stick in the SVID values and be done with it. Sigh.
5321 # define F_ULOCK 0 /* Unlock a previously locked region */
5324 # define F_LOCK 1 /* Lock a region for exclusive use */
5327 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5330 # define F_TEST 3 /* Test a region for other processes locks */
5334 lockf_emulate_flock(int fd, int operation)
5340 /* flock locks entire file so for lockf we need to do the same */
5342 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5343 if (pos > 0) /* is seekable and needs to be repositioned */
5344 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5345 pos = -1; /* seek failed, so don't seek back afterwards */
5348 switch (operation) {
5350 /* LOCK_SH - get a shared lock */
5352 /* LOCK_EX - get an exclusive lock */
5354 i = lockf (fd, F_LOCK, 0);
5357 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5358 case LOCK_SH|LOCK_NB:
5359 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5360 case LOCK_EX|LOCK_NB:
5361 i = lockf (fd, F_TLOCK, 0);
5363 if ((errno == EAGAIN) || (errno == EACCES))
5364 errno = EWOULDBLOCK;
5367 /* LOCK_UN - unlock (non-blocking is a no-op) */
5369 case LOCK_UN|LOCK_NB:
5370 i = lockf (fd, F_ULOCK, 0);
5373 /* Default - can't decipher operation */
5380 if (pos > 0) /* need to restore position of the handle */
5381 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5386 #endif /* LOCKF_EMULATE_FLOCK */