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 /* Croak if a self-tie is attempted */
798 if (varsv == SvRV(sv))
799 Perl_croak(aTHX_ "Self-ties are not supported");
800 sv_magic(varsv, sv, how, Nullch, 0);
803 SP = PL_stack_base + markoff;
812 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
815 if ((mg = SvTIED_mg(sv, how))) {
816 SV *obj = SvRV(mg->mg_obj);
819 if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
820 isGV(gv) && (cv = GvCV(gv))) {
822 XPUSHs(SvTIED_obj((SV*)gv, mg));
823 XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
826 call_sv((SV *)cv, G_VOID);
830 else if (ckWARN(WARN_UNTIE)) {
831 if (mg && SvREFCNT(obj) > 1)
832 Perl_warner(aTHX_ WARN_UNTIE,
833 "untie attempted while %"UVuf" inner references still exist",
834 (UV)SvREFCNT(obj) - 1 ) ;
845 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
848 if ((mg = SvTIED_mg(sv, how))) {
849 SV *osv = SvTIED_obj(sv, mg);
850 if (osv == mg->mg_obj)
851 osv = sv_mortalcopy(osv);
869 sv = sv_mortalcopy(&PL_sv_no);
870 sv_setpv(sv, "AnyDBM_File");
871 stash = gv_stashsv(sv, FALSE);
872 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
874 require_pv("AnyDBM_File.pm");
876 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
877 DIE(aTHX_ "No dbm on this machine");
887 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
889 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
892 call_sv((SV*)GvCV(gv), G_SCALAR);
895 if (!sv_isobject(TOPs)) {
900 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
903 call_sv((SV*)GvCV(gv), G_SCALAR);
907 if (sv_isobject(TOPs)) {
908 sv_unmagic((SV *) hv, 'P');
909 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
931 struct timeval timebuf;
932 struct timeval *tbuf = &timebuf;
936 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
941 # if BYTEORDER & 0xf0000
942 # define ORDERBYTE (0x88888888 - BYTEORDER)
944 # define ORDERBYTE (0x4444 - BYTEORDER)
950 for (i = 1; i <= 3; i++) {
958 /* little endians can use vecs directly */
959 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
960 # if SELECT_MIN_BITS > 1
961 /* If SELECT_MIN_BITS is greater than one we most probably will want
962 * to align the sizes with SELECT_MIN_BITS/8 because for example
963 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
964 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
965 * on (sets/tests/clears bits) is 32 bits. */
966 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
968 growsize = sizeof(fd_set);
977 masksize = NFDBITS / NBBY;
979 masksize = sizeof(long); /* documented int, everyone seems to use long */
981 growsize = maxlen + (masksize - (maxlen % masksize));
982 Zero(&fd_sets[0], 4, char*);
990 timebuf.tv_sec = (long)value;
991 value -= (NV)timebuf.tv_sec;
992 timebuf.tv_usec = (long)(value * 1000000.0);
995 tbuf = Null(struct timeval*);
997 for (i = 1; i <= 3; i++) {
1003 else if (!SvPOK(sv))
1004 SvPV_force(sv,n_a); /* force string conversion */
1007 Sv_Grow(sv, growsize);
1011 while (++j <= growsize) {
1015 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1017 New(403, fd_sets[i], growsize, char);
1018 for (offset = 0; offset < growsize; offset += masksize) {
1019 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1020 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1023 fd_sets[i] = SvPVX(sv);
1027 nfound = PerlSock_select(
1029 (Select_fd_set_t) fd_sets[1],
1030 (Select_fd_set_t) fd_sets[2],
1031 (Select_fd_set_t) fd_sets[3],
1033 for (i = 1; i <= 3; i++) {
1036 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1038 for (offset = 0; offset < growsize; offset += masksize) {
1039 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1040 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1042 Safefree(fd_sets[i]);
1049 if (GIMME == G_ARRAY && tbuf) {
1050 value = (NV)(timebuf.tv_sec) +
1051 (NV)(timebuf.tv_usec) / 1000000.0;
1052 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1053 sv_setnv(sv, value);
1057 DIE(aTHX_ "select not implemented");
1062 Perl_setdefout(pTHX_ GV *gv)
1066 (void)SvREFCNT_inc(gv);
1068 SvREFCNT_dec(PL_defoutgv);
1075 GV *newdefout, *egv;
1078 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1080 egv = GvEGV(PL_defoutgv);
1085 XPUSHs(&PL_sv_undef);
1087 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1088 if (gvp && *gvp == egv) {
1089 gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
1093 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1098 if (!GvIO(newdefout))
1099 gv_IOadd(newdefout);
1100 setdefout(newdefout);
1117 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1118 I32 gimme = GIMME_V;
1120 XPUSHs(SvTIED_obj((SV*)gv, mg));
1123 call_method("GETC", gimme);
1126 if (gimme == G_SCALAR)
1127 SvSetMagicSV_nosteal(TARG, TOPs);
1130 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1133 sv_setpv(TARG, " ");
1134 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1141 return pp_sysread();
1145 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1148 register PERL_CONTEXT *cx;
1149 I32 gimme = GIMME_V;
1150 AV* padlist = CvPADLIST(cv);
1151 SV** svp = AvARRAY(padlist);
1157 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1159 SAVEVPTR(PL_curpad);
1160 PL_curpad = AvARRAY((AV*)svp[1]);
1162 setdefout(gv); /* locally select filehandle so $% et al work */
1195 SV *tmpsv = sv_newmortal();
1196 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1197 name = SvPV_nolen(tmpsv);
1200 DIE(aTHX_ "Undefined format \"%s\" called", name);
1201 DIE(aTHX_ "Not a format reference");
1204 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1206 IoFLAGS(io) &= ~IOf_DIDTOP;
1207 return doform(cv,gv,PL_op->op_next);
1213 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1214 register IO *io = GvIOp(gv);
1215 PerlIO *ofp = IoOFP(io);
1219 register PERL_CONTEXT *cx;
1221 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1222 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1223 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1224 PL_formtarget != PL_toptarget)
1228 if (!IoTOP_GV(io)) {
1232 if (!IoTOP_NAME(io)) {
1233 if (!IoFMT_NAME(io))
1234 IoFMT_NAME(io) = savepv(GvNAME(gv));
1235 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1236 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1237 if ((topgv && GvFORM(topgv)) ||
1238 !gv_fetchpv("top",FALSE,SVt_PVFM))
1239 IoTOP_NAME(io) = savepv(SvPVX(topname));
1241 IoTOP_NAME(io) = savepv("top");
1243 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1244 if (!topgv || !GvFORM(topgv)) {
1245 IoLINES_LEFT(io) = 100000000;
1248 IoTOP_GV(io) = topgv;
1250 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1251 I32 lines = IoLINES_LEFT(io);
1252 char *s = SvPVX(PL_formtarget);
1253 if (lines <= 0) /* Yow, header didn't even fit!!! */
1255 while (lines-- > 0) {
1256 s = strchr(s, '\n');
1262 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1263 sv_chop(PL_formtarget, s);
1264 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1267 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1268 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1269 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1271 PL_formtarget = PL_toptarget;
1272 IoFLAGS(io) |= IOf_DIDTOP;
1275 DIE(aTHX_ "bad top format reference");
1280 SV *sv = sv_newmortal();
1281 gv_efullname4(sv, fgv, Nullch, FALSE);
1282 name = SvPV_nolen(sv);
1285 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1288 DIE(aTHX_ "Undefined top format called");
1292 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1293 return doform(cv,gv,PL_op);
1297 POPBLOCK(cx,PL_curpm);
1303 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1305 /* integrate with report_evil_fh()? */
1308 SV* sv = sv_newmortal();
1309 gv_efullname4(sv, gv, Nullch, FALSE);
1310 name = SvPV_nolen(sv);
1313 Perl_warner(aTHX_ WARN_IO,
1314 "Filehandle %s opened only for input", name);
1316 Perl_warner(aTHX_ WARN_IO,
1317 "Filehandle opened only for input");
1319 else if (ckWARN(WARN_CLOSED))
1320 report_evil_fh(gv, io, PL_op->op_type);
1325 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1326 if (ckWARN(WARN_IO))
1327 Perl_warner(aTHX_ WARN_IO, "page overflow");
1329 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1333 FmLINES(PL_formtarget) = 0;
1334 SvCUR_set(PL_formtarget, 0);
1335 *SvEND(PL_formtarget) = '\0';
1336 if (IoFLAGS(io) & IOf_FLUSH)
1337 (void)PerlIO_flush(fp);
1341 PL_formtarget = PL_bodytarget;
1343 return pop_return();
1348 djSP; dMARK; dORIGMARK;
1356 if (PL_op->op_flags & OPf_STACKED)
1361 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1362 if (MARK == ORIGMARK) {
1365 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1369 *MARK = SvTIED_obj((SV*)gv, mg);
1372 call_method("PRINTF", G_SCALAR);
1375 MARK = ORIGMARK + 1;
1382 if (!(io = GvIO(gv))) {
1384 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1385 report_evil_fh(gv, io, PL_op->op_type);
1386 SETERRNO(EBADF,RMS$_IFI);
1389 else if (!(fp = IoOFP(io))) {
1390 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1391 /* integrate with report_evil_fh()? */
1395 gv_efullname4(sv, gv, Nullch, FALSE);
1396 name = SvPV_nolen(sv);
1399 Perl_warner(aTHX_ WARN_IO,
1400 "Filehandle %s opened only for input", name);
1402 Perl_warner(aTHX_ WARN_IO,
1403 "Filehandle opened only for input");
1405 else if (ckWARN(WARN_CLOSED))
1406 report_evil_fh(gv, io, PL_op->op_type);
1408 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1412 do_sprintf(sv, SP - MARK, MARK + 1);
1413 if (!do_print(sv, fp))
1416 if (IoFLAGS(io) & IOf_FLUSH)
1417 if (PerlIO_flush(fp) == EOF)
1428 PUSHs(&PL_sv_undef);
1449 /* Need TIEHANDLE method ? */
1451 tmps = SvPV(sv, len);
1452 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1453 IoLINES(GvIOp(gv)) = 0;
1457 PUSHs(&PL_sv_undef);
1464 djSP; dMARK; dORIGMARK; dTARGET;
1470 Sock_size_t bufsize;
1476 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1477 (mg = SvTIED_mg((SV*)gv, 'q')))
1482 *MARK = SvTIED_obj((SV*)gv, mg);
1484 call_method("READ", G_SCALAR);
1497 sv_setpvn(bufsv, "", 0);
1498 buffer = SvPV_force(bufsv, blen);
1499 length = SvIVx(*++MARK);
1501 DIE(aTHX_ "Negative length");
1504 offset = SvIVx(*++MARK);
1508 if (!io || !IoIFP(io))
1511 if (PL_op->op_type == OP_RECV) {
1512 char namebuf[MAXPATHLEN];
1513 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1514 bufsize = sizeof (struct sockaddr_in);
1516 bufsize = sizeof namebuf;
1518 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1522 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1526 buffer = SvGROW(bufsv, length+1);
1527 /* 'offset' means 'flags' here */
1528 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1529 (struct sockaddr *)namebuf, &bufsize);
1532 SvCUR_set(bufsv, length);
1533 *SvEND(bufsv) = '\0';
1534 (void)SvPOK_only(bufsv);
1536 /* This should not be marked tainted if the fp is marked clean */
1537 if (!(IoFLAGS(io) & IOf_UNTAINT))
1538 SvTAINTED_on(bufsv);
1540 sv_setpvn(TARG, namebuf, bufsize);
1545 if (PL_op->op_type == OP_RECV)
1546 DIE(aTHX_ PL_no_sock_func, "recv");
1550 DIE(aTHX_ "Offset outside string");
1553 bufsize = SvCUR(bufsv);
1554 buffer = SvGROW(bufsv, length+offset+1);
1555 if (offset > bufsize) { /* Zero any newly allocated space */
1556 Zero(buffer+bufsize, offset-bufsize, char);
1558 if (PL_op->op_type == OP_SYSREAD) {
1559 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1560 if (IoTYPE(io) == IoTYPE_SOCKET) {
1561 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1562 buffer+offset, length, 0);
1567 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1568 buffer+offset, length);
1572 #ifdef HAS_SOCKET__bad_code_maybe
1573 if (IoTYPE(io) == IoTYPE_SOCKET) {
1574 char namebuf[MAXPATHLEN];
1575 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1576 bufsize = sizeof (struct sockaddr_in);
1578 bufsize = sizeof namebuf;
1580 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1581 (struct sockaddr *)namebuf, &bufsize);
1586 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1587 /* fread() returns 0 on both error and EOF */
1588 if (length == 0 && PerlIO_error(IoIFP(io)))
1592 if ((IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout()
1593 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1595 /* integrate with report_evil_fh()? */
1598 SV* sv = sv_newmortal();
1599 gv_efullname4(sv, gv, Nullch, FALSE);
1600 name = SvPV_nolen(sv);
1603 Perl_warner(aTHX_ WARN_IO,
1604 "Filehandle %s opened only for output", name);
1606 Perl_warner(aTHX_ WARN_IO,
1607 "Filehandle opened only for output");
1611 SvCUR_set(bufsv, length+offset);
1612 *SvEND(bufsv) = '\0';
1613 (void)SvPOK_only(bufsv);
1615 /* This should not be marked tainted if the fp is marked clean */
1616 if (!(IoFLAGS(io) & IOf_UNTAINT))
1617 SvTAINTED_on(bufsv);
1630 int items = (SP - PL_stack_base) - TOPMARK;
1634 sv = sv_2mortal(newSViv(sv_len(*SP)));
1643 djSP; dMARK; dORIGMARK; dTARGET;
1655 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1659 *MARK = SvTIED_obj((SV*)gv, mg);
1661 call_method("WRITE", G_SCALAR);
1672 buffer = SvPV(bufsv, blen);
1673 #if Size_t_size > IVSIZE
1674 length = (Size_t)SvNVx(*++MARK);
1676 length = (Size_t)SvIVx(*++MARK);
1678 if ((SSize_t)length < 0)
1679 DIE(aTHX_ "Negative length");
1682 if (!io || !IoIFP(io)) {
1684 if (ckWARN(WARN_CLOSED))
1685 report_evil_fh(gv, io, PL_op->op_type);
1687 else if (PL_op->op_type == OP_SYSWRITE) {
1689 offset = SvIVx(*++MARK);
1692 DIE(aTHX_ "Offset outside string");
1694 } else if (offset >= blen && blen > 0)
1695 DIE(aTHX_ "Offset outside string");
1698 if (length > blen - offset)
1699 length = blen - offset;
1700 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1701 if (IoTYPE(io) == IoTYPE_SOCKET) {
1702 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1703 buffer+offset, length, 0);
1708 /* See the note at doio.c:do_print about filesize limits. --jhi */
1709 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1710 buffer+offset, length);
1714 else if (SP > MARK) {
1717 sockbuf = SvPVx(*++MARK, mlen);
1718 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1719 length, (struct sockaddr *)sockbuf, mlen);
1722 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1726 DIE(aTHX_ PL_no_sock_func, "send");
1731 #if Size_t_size > IVSIZE
1745 return pp_sysread();
1755 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1757 gv = PL_last_in_gv = PL_argvgv;
1759 if (io && !IoIFP(io)) {
1760 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1762 IoFLAGS(io) &= ~IOf_START;
1763 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1764 sv_setpvn(GvSV(gv), "-", 1);
1765 SvSETMAGIC(GvSV(gv));
1767 else if (!nextargv(gv))
1772 gv = PL_last_in_gv; /* eof */
1775 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1777 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1779 XPUSHs(SvTIED_obj((SV*)gv, mg));
1782 call_method("EOF", G_SCALAR);
1788 PUSHs(boolSV(!gv || do_eof(gv)));
1801 gv = PL_last_in_gv = (GV*)POPs;
1803 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1805 XPUSHs(SvTIED_obj((SV*)gv, mg));
1808 call_method("TELL", G_SCALAR);
1814 #if LSEEKSIZE > IVSIZE
1815 PUSHn( do_tell(gv) );
1817 PUSHi( do_tell(gv) );
1824 return pp_sysseek();
1832 #if LSEEKSIZE > IVSIZE
1833 Off_t offset = (Off_t)SvNVx(POPs);
1835 Off_t offset = (Off_t)SvIVx(POPs);
1839 gv = PL_last_in_gv = (GV*)POPs;
1841 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1843 XPUSHs(SvTIED_obj((SV*)gv, mg));
1844 #if LSEEKSIZE > IVSIZE
1845 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1847 XPUSHs(sv_2mortal(newSViv(offset)));
1849 XPUSHs(sv_2mortal(newSViv(whence)));
1852 call_method("SEEK", G_SCALAR);
1858 if (PL_op->op_type == OP_SEEK)
1859 PUSHs(boolSV(do_seek(gv, offset, whence)));
1861 Off_t sought = do_sysseek(gv, offset, whence);
1863 PUSHs(&PL_sv_undef);
1866 #if LSEEKSIZE > IVSIZE
1871 : newSVpvn(zero_but_true, ZBTLEN);
1872 PUSHs(sv_2mortal(sv));
1881 /* There seems to be no consensus on the length type of truncate()
1882 * and ftruncate(), both off_t and size_t have supporters. In
1883 * general one would think that when using large files, off_t is
1884 * at least as wide as size_t, so using an off_t should be okay. */
1885 /* XXX Configure probe for the length type of *truncate() needed XXX */
1891 #if Size_t_size > IVSIZE
1896 /* Checking for length < 0 is problematic as the type might or
1897 * might not be signed: if it is not, clever compilers will moan. */
1898 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1900 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1901 if (PL_op->op_flags & OPf_SPECIAL) {
1902 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1904 TAINT_PROPER("truncate");
1905 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1908 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
1910 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1912 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1922 if (SvTYPE(sv) == SVt_PVGV) {
1923 tmpgv = (GV*)sv; /* *main::FRED for example */
1926 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1927 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1931 name = SvPV(sv, n_a);
1932 TAINT_PROPER("truncate");
1934 if (truncate(name, len) < 0)
1939 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1942 if (my_chsize(tmpfd, len) < 0)
1944 PerlLIO_close(tmpfd);
1953 SETERRNO(EBADF,RMS$_IFI);
1956 DIE(aTHX_ "truncate not implemented");
1969 unsigned int func = U_I(POPn);
1970 int optype = PL_op->op_type;
1976 if (!io || !argsv || !IoIFP(io)) {
1977 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1981 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1984 s = SvPV_force(argsv, len);
1985 need = IOCPARM_LEN(func);
1987 s = Sv_Grow(argsv, need + 1);
1988 SvCUR_set(argsv, need);
1991 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1994 retval = SvIV(argsv);
1995 s = INT2PTR(char*,retval); /* ouch */
1998 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
2000 if (optype == OP_IOCTL)
2002 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
2004 DIE(aTHX_ "ioctl is not implemented");
2008 #if defined(OS2) && defined(__EMX__)
2009 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
2011 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2014 DIE(aTHX_ "fcntl is not implemented");
2018 if (s[SvCUR(argsv)] != 17)
2019 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2020 PL_op_name[optype]);
2021 s[SvCUR(argsv)] = 0; /* put our null back */
2022 SvSETMAGIC(argsv); /* Assume it has changed */
2031 PUSHp(zero_but_true, ZBTLEN);
2051 if (gv && (io = GvIO(gv)))
2058 (void)PerlIO_flush(fp);
2059 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2062 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2063 report_evil_fh(gv, io, PL_op->op_type);
2065 SETERRNO(EBADF,RMS$_IFI);
2070 DIE(aTHX_ PL_no_func, "flock()");
2082 int protocol = POPi;
2090 SETERRNO(EBADF,LIB$_INVARG);
2096 do_close(gv, FALSE);
2098 TAINT_PROPER("socket");
2099 fd = PerlSock_socket(domain, type, protocol);
2102 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2103 IoOFP(io) = PerlIO_fdopen(fd, "w");
2104 IoTYPE(io) = IoTYPE_SOCKET;
2105 if (!IoIFP(io) || !IoOFP(io)) {
2106 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2107 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2108 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2111 #if defined(HAS_FCNTL) && defined(F_SETFD)
2112 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2117 DIE(aTHX_ PL_no_sock_func, "socket");
2124 #ifdef HAS_SOCKETPAIR
2129 int protocol = POPi;
2142 do_close(gv1, FALSE);
2144 do_close(gv2, FALSE);
2146 TAINT_PROPER("socketpair");
2147 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2149 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2150 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2151 IoTYPE(io1) = IoTYPE_SOCKET;
2152 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2153 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2154 IoTYPE(io2) = IoTYPE_SOCKET;
2155 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2156 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2157 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2158 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2159 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2160 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2161 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2164 #if defined(HAS_FCNTL) && defined(F_SETFD)
2165 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2166 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2171 DIE(aTHX_ PL_no_sock_func, "socketpair");
2179 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2180 extern GETPRIVMODE();
2181 extern GETUSERMODE();
2186 register IO *io = GvIOn(gv);
2190 int mpeprivmode = 0;
2193 if (!io || !IoIFP(io))
2196 addr = SvPV(addrsv, len);
2197 TAINT_PROPER("bind");
2198 #ifdef MPE /* Deal with MPE bind() peculiarities */
2199 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2200 /* The address *MUST* stupidly be zero. */
2201 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2202 /* PRIV mode is required to bind() to ports < 1024. */
2203 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2204 ((struct sockaddr_in *)addr)->sin_port > 0) {
2205 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2210 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2211 (struct sockaddr *)addr, len) >= 0)
2214 #ifdef MPE /* Switch back to USER mode */
2225 if (ckWARN(WARN_CLOSED))
2226 report_evil_fh(gv, io, PL_op->op_type);
2227 SETERRNO(EBADF,SS$_IVCHAN);
2230 DIE(aTHX_ PL_no_sock_func, "bind");
2241 register IO *io = GvIOn(gv);
2244 if (!io || !IoIFP(io))
2247 addr = SvPV(addrsv, len);
2248 TAINT_PROPER("connect");
2249 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2255 if (ckWARN(WARN_CLOSED))
2256 report_evil_fh(gv, io, PL_op->op_type);
2257 SETERRNO(EBADF,SS$_IVCHAN);
2260 DIE(aTHX_ PL_no_sock_func, "connect");
2270 register IO *io = GvIOn(gv);
2272 if (!io || !IoIFP(io))
2275 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2281 if (ckWARN(WARN_CLOSED))
2282 report_evil_fh(gv, io, PL_op->op_type);
2283 SETERRNO(EBADF,SS$_IVCHAN);
2286 DIE(aTHX_ PL_no_sock_func, "listen");
2298 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2299 Sock_size_t len = sizeof saddr;
2311 if (!gstio || !IoIFP(gstio))
2316 do_close(ngv, FALSE);
2318 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2321 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2322 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2323 IoTYPE(nstio) = IoTYPE_SOCKET;
2324 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2325 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2326 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2327 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2330 #if defined(HAS_FCNTL) && defined(F_SETFD)
2331 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2335 len = sizeof saddr; /* EPOC somehow truncates info */
2338 PUSHp((char *)&saddr, len);
2342 if (ckWARN(WARN_CLOSED))
2343 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2344 SETERRNO(EBADF,SS$_IVCHAN);
2350 DIE(aTHX_ PL_no_sock_func, "accept");
2360 register IO *io = GvIOn(gv);
2362 if (!io || !IoIFP(io))
2365 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2369 if (ckWARN(WARN_CLOSED))
2370 report_evil_fh(gv, io, PL_op->op_type);
2371 SETERRNO(EBADF,SS$_IVCHAN);
2374 DIE(aTHX_ PL_no_sock_func, "shutdown");
2381 return pp_ssockopt();
2383 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2391 int optype = PL_op->op_type;
2394 unsigned int optname;
2400 if (optype == OP_GSOCKOPT)
2401 sv = sv_2mortal(NEWSV(22, 257));
2404 optname = (unsigned int) POPi;
2405 lvl = (unsigned int) POPi;
2409 if (!io || !IoIFP(io))
2412 fd = PerlIO_fileno(IoIFP(io));
2416 (void)SvPOK_only(sv);
2420 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2435 aint = (int)SvIV(sv);
2439 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2448 if (ckWARN(WARN_CLOSED))
2449 report_evil_fh(gv, io, optype);
2450 SETERRNO(EBADF,SS$_IVCHAN);
2455 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2462 return pp_getpeername();
2464 DIE(aTHX_ PL_no_sock_func, "getsockname");
2472 int optype = PL_op->op_type;
2476 register IO *io = GvIOn(gv);
2479 if (!io || !IoIFP(io))
2482 sv = sv_2mortal(NEWSV(22, 257));
2483 (void)SvPOK_only(sv);
2487 fd = PerlIO_fileno(IoIFP(io));
2489 case OP_GETSOCKNAME:
2490 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2493 case OP_GETPEERNAME:
2494 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2496 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2498 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";
2499 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2500 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2501 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2502 sizeof(u_short) + sizeof(struct in_addr))) {
2509 #ifdef BOGUS_GETNAME_RETURN
2510 /* Interactive Unix, getpeername() and getsockname()
2511 does not return valid namelen */
2512 if (len == BOGUS_GETNAME_RETURN)
2513 len = sizeof(struct sockaddr);
2521 if (ckWARN(WARN_CLOSED))
2522 report_evil_fh(gv, io, optype);
2523 SETERRNO(EBADF,SS$_IVCHAN);
2528 DIE(aTHX_ PL_no_sock_func, "getpeername");
2547 if (PL_op->op_flags & OPf_REF) {
2549 if (PL_op->op_type == OP_LSTAT && ckWARN(WARN_IO))
2550 Perl_warner(aTHX_ WARN_IO,
2551 "lstat() on filehandle %s", GvENAME(gv));
2553 if (gv != PL_defgv) {
2554 PL_laststype = OP_STAT;
2556 sv_setpv(PL_statname, "");
2557 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2558 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2560 if (PL_laststatval < 0) {
2562 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2563 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2569 if (SvTYPE(sv) == SVt_PVGV) {
2573 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2577 sv_setpv(PL_statname, SvPV(sv,n_a));
2580 PL_laststype = PL_op->op_type;
2581 if (PL_op->op_type == OP_LSTAT)
2582 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2585 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2586 if (PL_laststatval < 0) {
2587 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2588 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2594 if (gimme != G_ARRAY) {
2595 if (gimme != G_VOID)
2596 XPUSHs(boolSV(max));
2602 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2603 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2604 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2605 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2606 #if Uid_t_size > IVSIZE
2607 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2609 # if Uid_t_sign <= 0
2610 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2612 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2615 #if Gid_t_size > IVSIZE
2616 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2618 # if Gid_t_sign <= 0
2619 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2621 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2624 #ifdef USE_STAT_RDEV
2625 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2627 PUSHs(sv_2mortal(newSVpvn("", 0)));
2629 #if Off_t_size > IVSIZE
2630 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2632 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2635 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2636 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2637 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2639 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2640 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2641 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2643 #ifdef USE_STAT_BLOCKS
2644 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2645 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2647 PUSHs(sv_2mortal(newSVpvn("", 0)));
2648 PUSHs(sv_2mortal(newSVpvn("", 0)));
2658 #if defined(HAS_ACCESS) && defined(R_OK)
2660 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2661 result = access(TOPpx, R_OK);
2676 if (cando(S_IRUSR, 0, &PL_statcache))
2685 #if defined(HAS_ACCESS) && defined(W_OK)
2687 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2688 result = access(TOPpx, W_OK);
2703 if (cando(S_IWUSR, 0, &PL_statcache))
2712 #if defined(HAS_ACCESS) && defined(X_OK)
2714 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2715 result = access(TOPpx, X_OK);
2730 if (cando(S_IXUSR, 0, &PL_statcache))
2739 #ifdef PERL_EFF_ACCESS_R_OK
2741 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2742 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2757 if (cando(S_IRUSR, 1, &PL_statcache))
2766 #ifdef PERL_EFF_ACCESS_W_OK
2768 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2769 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2784 if (cando(S_IWUSR, 1, &PL_statcache))
2793 #ifdef PERL_EFF_ACCESS_X_OK
2795 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2796 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2811 if (cando(S_IXUSR, 1, &PL_statcache))
2818 I32 result = my_stat();
2827 return pp_ftrowned();
2832 I32 result = my_stat();
2836 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2844 I32 result = my_stat();
2848 if (PL_statcache.st_size == 0)
2855 I32 result = my_stat();
2859 #if Off_t_size > IVSIZE
2860 PUSHn(PL_statcache.st_size);
2862 PUSHi(PL_statcache.st_size);
2869 I32 result = my_stat();
2873 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2879 I32 result = my_stat();
2883 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2889 I32 result = my_stat();
2893 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2899 I32 result = my_stat();
2903 if (S_ISSOCK(PL_statcache.st_mode))
2910 I32 result = my_stat();
2914 if (S_ISCHR(PL_statcache.st_mode))
2921 I32 result = my_stat();
2925 if (S_ISBLK(PL_statcache.st_mode))
2932 I32 result = my_stat();
2936 if (S_ISREG(PL_statcache.st_mode))
2943 I32 result = my_stat();
2947 if (S_ISDIR(PL_statcache.st_mode))
2954 I32 result = my_stat();
2958 if (S_ISFIFO(PL_statcache.st_mode))
2965 I32 result = my_lstat();
2969 if (S_ISLNK(PL_statcache.st_mode))
2978 I32 result = my_stat();
2982 if (PL_statcache.st_mode & S_ISUID)
2992 I32 result = my_stat();
2996 if (PL_statcache.st_mode & S_ISGID)
3006 I32 result = my_stat();
3010 if (PL_statcache.st_mode & S_ISVTX)
3021 char *tmps = Nullch;
3024 if (PL_op->op_flags & OPf_REF)
3026 else if (isGV(TOPs))
3028 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3029 gv = (GV*)SvRV(POPs);
3031 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3033 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3034 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3035 else if (tmps && isDIGIT(*tmps))
3039 if (PerlLIO_isatty(fd))
3044 #if defined(atarist) /* this will work with atariST. Configure will
3045 make guesses for other systems. */
3046 # define FILE_base(f) ((f)->_base)
3047 # define FILE_ptr(f) ((f)->_ptr)
3048 # define FILE_cnt(f) ((f)->_cnt)
3049 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3059 register STDCHAR *s;
3066 if (PL_op->op_flags & OPf_REF)
3068 else if (isGV(TOPs))
3070 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3071 gv = (GV*)SvRV(POPs);
3077 if (gv == PL_defgv) {
3079 io = GvIO(PL_statgv);
3082 goto really_filename;
3087 PL_laststatval = -1;
3088 sv_setpv(PL_statname, "");
3089 io = GvIO(PL_statgv);
3091 if (io && IoIFP(io)) {
3092 if (! PerlIO_has_base(IoIFP(io)))
3093 DIE(aTHX_ "-T and -B not implemented on filehandles");
3094 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3095 if (PL_laststatval < 0)
3097 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3098 if (PL_op->op_type == OP_FTTEXT)
3102 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3103 i = PerlIO_getc(IoIFP(io));
3105 (void)PerlIO_ungetc(IoIFP(io),i);
3107 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3109 len = PerlIO_get_bufsiz(IoIFP(io));
3110 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3111 /* sfio can have large buffers - limit to 512 */
3117 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3119 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3121 SETERRNO(EBADF,RMS$_IFI);
3129 PL_laststatval = -1;
3130 sv_setpv(PL_statname, SvPV(sv, n_a));
3131 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3132 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3133 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3136 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3137 if (PL_laststatval < 0) {
3138 (void)PerlIO_close(fp);
3141 do_binmode(fp, '<', O_BINARY);
3142 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3143 (void)PerlIO_close(fp);
3145 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3146 RETPUSHNO; /* special case NFS directories */
3147 RETPUSHYES; /* null file is anything */
3152 /* now scan s to look for textiness */
3153 /* XXX ASCII dependent code */
3155 #if defined(DOSISH) || defined(USEMYBINMODE)
3156 /* ignore trailing ^Z on short files */
3157 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3161 for (i = 0; i < len; i++, s++) {
3162 if (!*s) { /* null never allowed in text */
3167 else if (!(isPRINT(*s) || isSPACE(*s)))
3170 else if (*s & 128) {
3172 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3175 /* utf8 characters don't count as odd */
3177 int ulen = UTF8SKIP(s);
3178 if (ulen < len - i) {
3180 for (j = 1; j < ulen; j++) {
3181 if ((s[j] & 0xc0) != 0x80)
3184 --ulen; /* loop does extra increment */
3194 *s != '\n' && *s != '\r' && *s != '\b' &&
3195 *s != '\t' && *s != '\f' && *s != 27)
3200 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3224 if (!tmps || !*tmps) {
3225 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3227 tmps = SvPV(*svp, n_a);
3229 if (!tmps || !*tmps) {
3230 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3232 tmps = SvPV(*svp, n_a);
3235 if (!tmps || !*tmps) {
3236 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3238 tmps = SvPV(*svp, n_a);
3241 TAINT_PROPER("chdir");
3242 PUSHi( PerlDir_chdir(tmps) >= 0 );
3244 /* Clear the DEFAULT element of ENV so we'll get the new value
3246 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3253 djSP; dMARK; dTARGET;
3256 value = (I32)apply(PL_op->op_type, MARK, SP);
3261 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3272 TAINT_PROPER("chroot");
3273 PUSHi( chroot(tmps) >= 0 );
3276 DIE(aTHX_ PL_no_func, "chroot");
3282 djSP; dMARK; dTARGET;
3284 value = (I32)apply(PL_op->op_type, MARK, SP);
3292 djSP; dMARK; dTARGET;
3294 value = (I32)apply(PL_op->op_type, MARK, SP);
3302 djSP; dMARK; dTARGET;
3304 value = (I32)apply(PL_op->op_type, MARK, SP);
3316 char *tmps2 = POPpx;
3317 char *tmps = SvPV(TOPs, n_a);
3318 TAINT_PROPER("rename");
3320 anum = PerlLIO_rename(tmps, tmps2);
3322 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3323 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3326 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3327 (void)UNLINK(tmps2);
3328 if (!(anum = link(tmps, tmps2)))
3329 anum = UNLINK(tmps);
3342 char *tmps2 = POPpx;
3343 char *tmps = SvPV(TOPs, n_a);
3344 TAINT_PROPER("link");
3345 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3347 DIE(aTHX_ PL_no_func, "Unsupported function link");
3357 char *tmps2 = POPpx;
3358 char *tmps = SvPV(TOPs, n_a);
3359 TAINT_PROPER("symlink");
3360 SETi( symlink(tmps, tmps2) >= 0 );
3363 DIE(aTHX_ PL_no_func, "symlink");
3372 char buf[MAXPATHLEN];
3376 #ifndef INCOMPLETE_TAINTS
3380 len = readlink(tmps, buf, sizeof buf);
3388 RETSETUNDEF; /* just pretend it's a normal file */
3392 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3394 S_dooneliner(pTHX_ char *cmd, char *filename)
3396 char *save_filename = filename;
3402 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3403 strcpy(cmdline, cmd);
3404 strcat(cmdline, " ");
3405 for (s = cmdline + strlen(cmdline); *filename; ) {
3410 myfp = PerlProc_popen(cmdline, "r");
3414 SV *tmpsv = sv_newmortal();
3415 /* Need to save/restore 'PL_rs' ?? */
3416 s = sv_gets(tmpsv, myfp, 0);
3417 (void)PerlProc_pclose(myfp);
3421 #ifdef HAS_SYS_ERRLIST
3426 /* you don't see this */
3428 #ifdef HAS_SYS_ERRLIST
3436 if (instr(s, errmsg)) {
3443 #define EACCES EPERM
3445 if (instr(s, "cannot make"))
3446 SETERRNO(EEXIST,RMS$_FEX);
3447 else if (instr(s, "existing file"))
3448 SETERRNO(EEXIST,RMS$_FEX);
3449 else if (instr(s, "ile exists"))
3450 SETERRNO(EEXIST,RMS$_FEX);
3451 else if (instr(s, "non-exist"))
3452 SETERRNO(ENOENT,RMS$_FNF);
3453 else if (instr(s, "does not exist"))
3454 SETERRNO(ENOENT,RMS$_FNF);
3455 else if (instr(s, "not empty"))
3456 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3457 else if (instr(s, "cannot access"))
3458 SETERRNO(EACCES,RMS$_PRV);
3460 SETERRNO(EPERM,RMS$_PRV);
3463 else { /* some mkdirs return no failure indication */
3464 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3465 if (PL_op->op_type == OP_RMDIR)
3470 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3494 tmps = SvPV(TOPs, n_a);
3496 TAINT_PROPER("mkdir");
3498 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3500 SETi( dooneliner("mkdir", tmps) );
3501 oldumask = PerlLIO_umask(0);
3502 PerlLIO_umask(oldumask);
3503 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3515 TAINT_PROPER("rmdir");
3517 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3519 XPUSHi( dooneliner("rmdir", tmps) );
3524 /* Directory calls. */
3529 #if defined(Direntry_t) && defined(HAS_READDIR)
3531 char *dirname = POPpx;
3533 register IO *io = GvIOn(gv);
3539 PerlDir_close(IoDIRP(io));
3540 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3546 SETERRNO(EBADF,RMS$_DIR);
3549 DIE(aTHX_ PL_no_dir_func, "opendir");
3556 #if defined(Direntry_t) && defined(HAS_READDIR)
3558 Direntry_t *readdir (DIR *);
3560 register Direntry_t *dp;
3562 register IO *io = GvIOn(gv);
3565 if (!io || !IoDIRP(io))
3568 if (GIMME == G_ARRAY) {
3570 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3572 sv = newSVpvn(dp->d_name, dp->d_namlen);
3574 sv = newSVpv(dp->d_name, 0);
3576 #ifndef INCOMPLETE_TAINTS
3577 if (!(IoFLAGS(io) & IOf_UNTAINT))
3580 XPUSHs(sv_2mortal(sv));
3584 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3587 sv = newSVpvn(dp->d_name, dp->d_namlen);
3589 sv = newSVpv(dp->d_name, 0);
3591 #ifndef INCOMPLETE_TAINTS
3592 if (!(IoFLAGS(io) & IOf_UNTAINT))
3595 XPUSHs(sv_2mortal(sv));
3601 SETERRNO(EBADF,RMS$_ISI);
3602 if (GIMME == G_ARRAY)
3607 DIE(aTHX_ PL_no_dir_func, "readdir");
3614 #if defined(HAS_TELLDIR) || defined(telldir)
3615 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3616 /* XXX netbsd still seemed to.
3617 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3618 --JHI 1999-Feb-02 */
3619 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3620 long telldir (DIR *);
3623 register IO *io = GvIOn(gv);
3625 if (!io || !IoDIRP(io))
3628 PUSHi( PerlDir_tell(IoDIRP(io)) );
3632 SETERRNO(EBADF,RMS$_ISI);
3635 DIE(aTHX_ PL_no_dir_func, "telldir");
3642 #if defined(HAS_SEEKDIR) || defined(seekdir)
3645 register IO *io = GvIOn(gv);
3647 if (!io || !IoDIRP(io))
3650 (void)PerlDir_seek(IoDIRP(io), along);
3655 SETERRNO(EBADF,RMS$_ISI);
3658 DIE(aTHX_ PL_no_dir_func, "seekdir");
3665 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3667 register IO *io = GvIOn(gv);
3669 if (!io || !IoDIRP(io))
3672 (void)PerlDir_rewind(IoDIRP(io));
3676 SETERRNO(EBADF,RMS$_ISI);
3679 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3686 #if defined(Direntry_t) && defined(HAS_READDIR)
3688 register IO *io = GvIOn(gv);
3690 if (!io || !IoDIRP(io))
3693 #ifdef VOID_CLOSEDIR
3694 PerlDir_close(IoDIRP(io));
3696 if (PerlDir_close(IoDIRP(io)) < 0) {
3697 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3706 SETERRNO(EBADF,RMS$_IFI);
3709 DIE(aTHX_ PL_no_dir_func, "closedir");
3713 /* Process control. */
3723 PERL_FLUSHALL_FOR_CHILD;
3729 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3730 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3731 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3736 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3741 PERL_FLUSHALL_FOR_CHILD;
3742 childpid = PerlProc_fork();
3748 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3755 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3760 childpid = wait4pid(-1, &argflags, 0);
3761 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3762 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3763 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3765 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3770 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3776 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3784 childpid = wait4pid(childpid, &argflags, optype);
3785 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3786 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3787 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3789 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3794 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3800 djSP; dMARK; dORIGMARK; dTARGET;
3805 Sigsave_t ihand,qhand; /* place to save signals during system() */
3810 if (SP - MARK == 1) {
3812 char *junk = SvPV(TOPs, n_a);
3814 TAINT_PROPER("system");
3817 PERL_FLUSHALL_FOR_CHILD;
3818 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3819 if (PerlProc_pipe(pp) >= 0)
3821 while ((childpid = vfork()) == -1) {
3822 if (errno != EAGAIN) {
3827 PerlLIO_close(pp[0]);
3828 PerlLIO_close(pp[1]);
3836 PerlLIO_close(pp[1]);
3838 rsignal_save(SIGINT, SIG_IGN, &ihand);
3839 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3842 result = wait4pid(childpid, &status, 0);
3843 } while (result == -1 && errno == EINTR);
3845 (void)rsignal_restore(SIGINT, &ihand);
3846 (void)rsignal_restore(SIGQUIT, &qhand);
3848 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3849 do_execfree(); /* free any memory child malloced on vfork */
3855 while (n < sizeof(int)) {
3856 n1 = PerlLIO_read(pp[0],
3857 (void*)(((char*)&errkid)+n),
3863 PerlLIO_close(pp[0]);
3864 if (n) { /* Error */
3865 if (n != sizeof(int))
3866 DIE(aTHX_ "panic: kid popen errno read");
3867 errno = errkid; /* Propagate errno from kid */
3868 STATUS_CURRENT = -1;
3871 PUSHi(STATUS_CURRENT);
3875 PerlLIO_close(pp[0]);
3876 #if defined(HAS_FCNTL) && defined(F_SETFD)
3877 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3880 if (PL_op->op_flags & OPf_STACKED) {
3881 SV *really = *++MARK;
3882 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3884 else if (SP - MARK != 1)
3885 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3887 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3890 #else /* ! FORK or VMS or OS/2 */
3893 if (PL_op->op_flags & OPf_STACKED) {
3894 SV *really = *++MARK;
3895 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3897 else if (SP - MARK != 1)
3898 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3900 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3902 if (PL_statusvalue == -1) /* hint that value must be returned as is */
3904 STATUS_NATIVE_SET(value);
3907 PUSHi(result ? value : STATUS_CURRENT);
3908 #endif /* !FORK or VMS */
3914 djSP; dMARK; dORIGMARK; dTARGET;
3918 PERL_FLUSHALL_FOR_CHILD;
3919 if (PL_op->op_flags & OPf_STACKED) {
3920 SV *really = *++MARK;
3921 value = (I32)do_aexec(really, MARK, SP);
3923 else if (SP - MARK != 1)
3925 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3929 (void ) do_aspawn(Nullsv, MARK, SP);
3933 value = (I32)do_aexec(Nullsv, MARK, SP);
3938 char *junk = SvPV(*SP, n_a);
3940 TAINT_PROPER("exec");
3943 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3946 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3949 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3954 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3966 djSP; dMARK; dTARGET;
3969 value = (I32)apply(PL_op->op_type, MARK, SP);
3974 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3982 XPUSHi( getppid() );
3985 DIE(aTHX_ PL_no_func, "getppid");
4001 pgrp = (I32)BSD_GETPGRP(pid);
4003 if (pid != 0 && pid != PerlProc_getpid())
4004 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4010 DIE(aTHX_ PL_no_func, "getpgrp()");
4029 TAINT_PROPER("setpgrp");
4031 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4033 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4034 || (pid != 0 && pid != PerlProc_getpid()))
4036 DIE(aTHX_ "setpgrp can't take arguments");
4038 SETi( setpgrp() >= 0 );
4039 #endif /* USE_BSDPGRP */
4042 DIE(aTHX_ PL_no_func, "setpgrp()");
4051 #ifdef HAS_GETPRIORITY
4054 SETi( getpriority(which, who) );
4057 DIE(aTHX_ PL_no_func, "getpriority()");
4067 #ifdef HAS_SETPRIORITY
4071 TAINT_PROPER("setpriority");
4072 SETi( setpriority(which, who, niceval) >= 0 );
4075 DIE(aTHX_ PL_no_func, "setpriority()");
4085 XPUSHn( time(Null(Time_t*)) );
4087 XPUSHi( time(Null(Time_t*)) );
4092 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4093 to HZ. Probably. For now, assume that if the system
4094 defines HZ, it does so correctly. (Will this break
4096 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4097 it's supported. --AD 9/96.
4113 DIE(aTHX_ "times not implemented");
4118 (void)PerlProc_times(&PL_timesbuf);
4120 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4121 /* struct tms, though same data */
4125 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4126 if (GIMME == G_ARRAY) {
4127 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4128 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4129 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4132 #endif /* HAS_TIMES */
4145 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4146 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4147 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4153 when = (Time_t)SvNVx(POPs);
4155 when = (Time_t)SvIVx(POPs);
4158 if (PL_op->op_type == OP_LOCALTIME)
4159 tmbuf = localtime(&when);
4161 tmbuf = gmtime(&when);
4165 if (GIMME != G_ARRAY) {
4169 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4170 dayname[tmbuf->tm_wday],
4171 monname[tmbuf->tm_mon],
4176 tmbuf->tm_year + 1900);
4177 PUSHs(sv_2mortal(tsv));
4180 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4181 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4182 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4183 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4184 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4185 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4186 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4187 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4188 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4199 anum = alarm((unsigned int)anum);
4206 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4217 (void)time(&lasttime);
4222 PerlProc_sleep((unsigned int)duration);
4225 XPUSHi(when - lasttime);
4229 /* Shared memory. */
4243 return pp_shmwrite();
4248 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4249 djSP; dMARK; dTARGET;
4250 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4259 /* Message passing. */
4273 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4274 djSP; dMARK; dTARGET;
4275 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4286 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4287 djSP; dMARK; dTARGET;
4288 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4301 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4302 djSP; dMARK; dTARGET;
4303 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4310 DIE(aTHX_ "System V IPC is not implemented on this machine");
4316 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4317 djSP; dMARK; dTARGET;
4318 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4326 PUSHp(zero_but_true, ZBTLEN);
4336 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4337 djSP; dMARK; dTARGET;
4338 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4347 /* Get system info. */
4351 #ifdef HAS_GETHOSTBYNAME
4352 return pp_ghostent();
4354 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4360 #ifdef HAS_GETHOSTBYADDR
4361 return pp_ghostent();
4363 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4370 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4371 I32 which = PL_op->op_type;
4372 register char **elem;
4374 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4375 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4376 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4377 struct hostent *PerlSock_gethostent(void);
4379 struct hostent *hent;
4384 if (which == OP_GHBYNAME)
4385 #ifdef HAS_GETHOSTBYNAME
4386 hent = PerlSock_gethostbyname(POPpx);
4388 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4390 else if (which == OP_GHBYADDR) {
4391 #ifdef HAS_GETHOSTBYADDR
4392 int addrtype = POPi;
4395 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4397 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4399 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4403 #ifdef HAS_GETHOSTENT
4404 hent = PerlSock_gethostent();
4406 DIE(aTHX_ PL_no_sock_func, "gethostent");
4409 #ifdef HOST_NOT_FOUND
4411 STATUS_NATIVE_SET(h_errno);
4414 if (GIMME != G_ARRAY) {
4415 PUSHs(sv = sv_newmortal());
4417 if (which == OP_GHBYNAME) {
4419 sv_setpvn(sv, hent->h_addr, hent->h_length);
4422 sv_setpv(sv, (char*)hent->h_name);
4428 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4429 sv_setpv(sv, (char*)hent->h_name);
4430 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4431 for (elem = hent->h_aliases; elem && *elem; elem++) {
4432 sv_catpv(sv, *elem);
4434 sv_catpvn(sv, " ", 1);
4436 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4437 sv_setiv(sv, (IV)hent->h_addrtype);
4438 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4439 len = hent->h_length;
4440 sv_setiv(sv, (IV)len);
4442 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4443 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4444 sv_setpvn(sv, *elem, len);
4447 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4449 sv_setpvn(sv, hent->h_addr, len);
4454 DIE(aTHX_ PL_no_sock_func, "gethostent");
4460 #ifdef HAS_GETNETBYNAME
4461 return pp_gnetent();
4463 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4469 #ifdef HAS_GETNETBYADDR
4470 return pp_gnetent();
4472 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4479 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4480 I32 which = PL_op->op_type;
4481 register char **elem;
4483 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4484 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4485 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4486 struct netent *PerlSock_getnetent(void);
4488 struct netent *nent;
4491 if (which == OP_GNBYNAME)
4492 #ifdef HAS_GETNETBYNAME
4493 nent = PerlSock_getnetbyname(POPpx);
4495 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4497 else if (which == OP_GNBYADDR) {
4498 #ifdef HAS_GETNETBYADDR
4499 int addrtype = POPi;
4500 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4501 nent = PerlSock_getnetbyaddr(addr, addrtype);
4503 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4507 #ifdef HAS_GETNETENT
4508 nent = PerlSock_getnetent();
4510 DIE(aTHX_ PL_no_sock_func, "getnetent");
4514 if (GIMME != G_ARRAY) {
4515 PUSHs(sv = sv_newmortal());
4517 if (which == OP_GNBYNAME)
4518 sv_setiv(sv, (IV)nent->n_net);
4520 sv_setpv(sv, nent->n_name);
4526 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4527 sv_setpv(sv, nent->n_name);
4528 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4529 for (elem = nent->n_aliases; elem && *elem; elem++) {
4530 sv_catpv(sv, *elem);
4532 sv_catpvn(sv, " ", 1);
4534 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4535 sv_setiv(sv, (IV)nent->n_addrtype);
4536 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4537 sv_setiv(sv, (IV)nent->n_net);
4542 DIE(aTHX_ PL_no_sock_func, "getnetent");
4548 #ifdef HAS_GETPROTOBYNAME
4549 return pp_gprotoent();
4551 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4557 #ifdef HAS_GETPROTOBYNUMBER
4558 return pp_gprotoent();
4560 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4567 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4568 I32 which = PL_op->op_type;
4569 register char **elem;
4571 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4572 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4573 struct protoent *PerlSock_getprotobynumber(int);
4574 struct protoent *PerlSock_getprotoent(void);
4576 struct protoent *pent;
4579 if (which == OP_GPBYNAME)
4580 #ifdef HAS_GETPROTOBYNAME
4581 pent = PerlSock_getprotobyname(POPpx);
4583 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4585 else if (which == OP_GPBYNUMBER)
4586 #ifdef HAS_GETPROTOBYNUMBER
4587 pent = PerlSock_getprotobynumber(POPi);
4589 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4592 #ifdef HAS_GETPROTOENT
4593 pent = PerlSock_getprotoent();
4595 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4599 if (GIMME != G_ARRAY) {
4600 PUSHs(sv = sv_newmortal());
4602 if (which == OP_GPBYNAME)
4603 sv_setiv(sv, (IV)pent->p_proto);
4605 sv_setpv(sv, pent->p_name);
4611 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4612 sv_setpv(sv, pent->p_name);
4613 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4614 for (elem = pent->p_aliases; elem && *elem; elem++) {
4615 sv_catpv(sv, *elem);
4617 sv_catpvn(sv, " ", 1);
4619 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4620 sv_setiv(sv, (IV)pent->p_proto);
4625 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4631 #ifdef HAS_GETSERVBYNAME
4632 return pp_gservent();
4634 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4640 #ifdef HAS_GETSERVBYPORT
4641 return pp_gservent();
4643 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4650 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4651 I32 which = PL_op->op_type;
4652 register char **elem;
4654 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4655 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4656 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4657 struct servent *PerlSock_getservent(void);
4659 struct servent *sent;
4662 if (which == OP_GSBYNAME) {
4663 #ifdef HAS_GETSERVBYNAME
4664 char *proto = POPpx;
4667 if (proto && !*proto)
4670 sent = PerlSock_getservbyname(name, proto);
4672 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4675 else if (which == OP_GSBYPORT) {
4676 #ifdef HAS_GETSERVBYPORT
4677 char *proto = POPpx;
4678 unsigned short port = POPu;
4681 port = PerlSock_htons(port);
4683 sent = PerlSock_getservbyport(port, proto);
4685 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4689 #ifdef HAS_GETSERVENT
4690 sent = PerlSock_getservent();
4692 DIE(aTHX_ PL_no_sock_func, "getservent");
4696 if (GIMME != G_ARRAY) {
4697 PUSHs(sv = sv_newmortal());
4699 if (which == OP_GSBYNAME) {
4701 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4703 sv_setiv(sv, (IV)(sent->s_port));
4707 sv_setpv(sv, sent->s_name);
4713 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4714 sv_setpv(sv, sent->s_name);
4715 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4716 for (elem = sent->s_aliases; elem && *elem; elem++) {
4717 sv_catpv(sv, *elem);
4719 sv_catpvn(sv, " ", 1);
4721 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4723 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4725 sv_setiv(sv, (IV)(sent->s_port));
4727 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4728 sv_setpv(sv, sent->s_proto);
4733 DIE(aTHX_ PL_no_sock_func, "getservent");
4740 #ifdef HAS_SETHOSTENT
4741 PerlSock_sethostent(TOPi);
4744 DIE(aTHX_ PL_no_sock_func, "sethostent");
4751 #ifdef HAS_SETNETENT
4752 PerlSock_setnetent(TOPi);
4755 DIE(aTHX_ PL_no_sock_func, "setnetent");
4762 #ifdef HAS_SETPROTOENT
4763 PerlSock_setprotoent(TOPi);
4766 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4773 #ifdef HAS_SETSERVENT
4774 PerlSock_setservent(TOPi);
4777 DIE(aTHX_ PL_no_sock_func, "setservent");
4784 #ifdef HAS_ENDHOSTENT
4785 PerlSock_endhostent();
4789 DIE(aTHX_ PL_no_sock_func, "endhostent");
4796 #ifdef HAS_ENDNETENT
4797 PerlSock_endnetent();
4801 DIE(aTHX_ PL_no_sock_func, "endnetent");
4808 #ifdef HAS_ENDPROTOENT
4809 PerlSock_endprotoent();
4813 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4820 #ifdef HAS_ENDSERVENT
4821 PerlSock_endservent();
4825 DIE(aTHX_ PL_no_sock_func, "endservent");
4834 DIE(aTHX_ PL_no_func, "getpwnam");
4843 DIE(aTHX_ PL_no_func, "getpwuid");
4851 I32 which = PL_op->op_type;
4854 struct passwd *pwent = NULL;
4856 * We currently support only the SysV getsp* shadow password interface.
4857 * The interface is declared in <shadow.h> and often one needs to link
4858 * with -lsecurity or some such.
4859 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
4862 * AIX getpwnam() is clever enough to return the encrypted password
4863 * only if the caller (euid?) is root.
4865 * There are at least two other shadow password APIs. Many platforms
4866 * seem to contain more than one interface for accessing the shadow
4867 * password databases, possibly for compatibility reasons.
4868 * The getsp*() is by far he simplest one, the other two interfaces
4869 * are much more complicated, but also very similar to each other.
4874 * struct pr_passwd *getprpw*();
4875 * The password is in
4876 * char getprpw*(...).ufld.fd_encrypt[]
4877 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
4882 * struct es_passwd *getespw*();
4883 * The password is in
4884 * char *(getespw*(...).ufld.fd_encrypt)
4885 * Mention HAS_GETESPWNAM here so that Configure probes for it.
4887 * Mention I_PROT here so that Configure probes for it.
4889 * In HP-UX for getprpw*() the manual page claims that one should include
4890 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
4891 * if one includes <shadow.h> as that includes <hpsecurity.h>,
4892 * and pp_sys.c already includes <shadow.h> if there is such.
4894 * Note that <sys/security.h> is already probed for, but currently
4895 * it is only included in special cases.
4897 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
4898 * be preferred interface, even though also the getprpw*() interface
4899 * is available) one needs to link with -lsecurity -ldb -laud -lm.
4900 * One also needs to call set_auth_parameters() in main() before
4901 * doing anything else, whether one is using getespw*() or getprpw*().
4903 * Note that accessing the shadow databases can be magnitudes
4904 * slower than accessing the standard databases.
4911 pwent = getpwnam(POPpx);
4914 pwent = getpwuid((Uid_t)POPi);
4917 # ifdef HAS_GETPWENT
4920 DIE(aTHX_ PL_no_func, "getpwent");
4926 if (GIMME != G_ARRAY) {
4927 PUSHs(sv = sv_newmortal());
4929 if (which == OP_GPWNAM)
4930 # if Uid_t_sign <= 0
4931 sv_setiv(sv, (IV)pwent->pw_uid);
4933 sv_setuv(sv, (UV)pwent->pw_uid);
4936 sv_setpv(sv, pwent->pw_name);
4942 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4943 sv_setpv(sv, pwent->pw_name);
4945 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4947 /* If we have getspnam(), we try to dig up the shadow
4948 * password. If we are underprivileged, the shadow
4949 * interface will set the errno to EACCES or similar,
4950 * and return a null pointer. If this happens, we will
4951 * use the dummy password (usually "*" or "x") from the
4952 * standard password database.
4954 * In theory we could skip the shadow call completely
4955 * if euid != 0 but in practice we cannot know which
4956 * security measures are guarding the shadow databases
4957 * on a random platform.
4959 * Resist the urge to use additional shadow interfaces.
4960 * Divert the urge to writing an extension instead.
4963 # ifdef HAS_GETSPNAM
4965 struct spwd *spwent;
4966 int saverrno; /* Save and restore errno so that
4967 * underprivileged attempts seem
4968 * to have never made the unsccessful
4969 * attempt to retrieve the shadow password. */
4972 spwent = getspnam(pwent->pw_name);
4974 if (spwent && spwent->sp_pwdp)
4975 sv_setpv(sv, spwent->sp_pwdp);
4979 if (!SvPOK(sv)) /* Use the standard password, then. */
4980 sv_setpv(sv, pwent->pw_passwd);
4983 # ifndef INCOMPLETE_TAINTS
4984 /* passwd is tainted because user himself can diddle with it.
4985 * admittedly not much and in a very limited way, but nevertheless. */
4989 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4990 # if Uid_t_sign <= 0
4991 sv_setiv(sv, (IV)pwent->pw_uid);
4993 sv_setuv(sv, (UV)pwent->pw_uid);
4996 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4997 # if Uid_t_sign <= 0
4998 sv_setiv(sv, (IV)pwent->pw_gid);
5000 sv_setuv(sv, (UV)pwent->pw_gid);
5002 /* pw_change, pw_quota, and pw_age are mutually exclusive--
5003 * because of the poor interface of the Perl getpw*(),
5004 * not because there's some standard/convention saying so.
5005 * A better interface would have been to return a hash,
5006 * but we are accursed by our history, alas. --jhi. */
5007 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5009 sv_setiv(sv, (IV)pwent->pw_change);
5012 sv_setiv(sv, (IV)pwent->pw_quota);
5015 sv_setpv(sv, pwent->pw_age);
5020 /* pw_class and pw_comment are mutually exclusive--.
5021 * see the above note for pw_change, pw_quota, and pw_age. */
5022 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5024 sv_setpv(sv, pwent->pw_class);
5027 sv_setpv(sv, pwent->pw_comment);
5031 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5033 sv_setpv(sv, pwent->pw_gecos);
5035 # ifndef INCOMPLETE_TAINTS
5036 /* pw_gecos is tainted because user himself can diddle with it. */
5040 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5041 sv_setpv(sv, pwent->pw_dir);
5043 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5044 sv_setpv(sv, pwent->pw_shell);
5045 # ifndef INCOMPLETE_TAINTS
5046 /* pw_shell is tainted because user himself can diddle with it. */
5051 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5052 sv_setiv(sv, (IV)pwent->pw_expire);
5057 DIE(aTHX_ PL_no_func, "getpwent");
5064 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5068 DIE(aTHX_ PL_no_func, "setpwent");
5075 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5079 DIE(aTHX_ PL_no_func, "endpwent");
5088 DIE(aTHX_ PL_no_func, "getgrnam");
5097 DIE(aTHX_ PL_no_func, "getgrgid");
5105 I32 which = PL_op->op_type;
5106 register char **elem;
5108 struct group *grent;
5111 if (which == OP_GGRNAM)
5112 grent = (struct group *)getgrnam(POPpx);
5113 else if (which == OP_GGRGID)
5114 grent = (struct group *)getgrgid(POPi);
5117 grent = (struct group *)getgrent();
5119 DIE(aTHX_ PL_no_func, "getgrent");
5123 if (GIMME != G_ARRAY) {
5124 PUSHs(sv = sv_newmortal());
5126 if (which == OP_GGRNAM)
5127 sv_setiv(sv, (IV)grent->gr_gid);
5129 sv_setpv(sv, grent->gr_name);
5135 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5136 sv_setpv(sv, grent->gr_name);
5138 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5140 sv_setpv(sv, grent->gr_passwd);
5143 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5144 sv_setiv(sv, (IV)grent->gr_gid);
5146 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5147 for (elem = grent->gr_mem; elem && *elem; elem++) {
5148 sv_catpv(sv, *elem);
5150 sv_catpvn(sv, " ", 1);
5156 DIE(aTHX_ PL_no_func, "getgrent");
5163 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5167 DIE(aTHX_ PL_no_func, "setgrent");
5174 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5178 DIE(aTHX_ PL_no_func, "endgrent");
5188 if (!(tmps = PerlProc_getlogin()))
5190 PUSHp(tmps, strlen(tmps));
5193 DIE(aTHX_ PL_no_func, "getlogin");
5197 /* Miscellaneous. */
5202 djSP; dMARK; dORIGMARK; dTARGET;
5203 register I32 items = SP - MARK;
5204 unsigned long a[20];
5210 while (++MARK <= SP) {
5211 if (SvTAINTED(*MARK)) {
5217 TAINT_PROPER("syscall");
5220 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5221 * or where sizeof(long) != sizeof(char*). But such machines will
5222 * not likely have syscall implemented either, so who cares?
5224 while (++MARK <= SP) {
5225 if (SvNIOK(*MARK) || !i)
5226 a[i++] = SvIV(*MARK);
5227 else if (*MARK == &PL_sv_undef)
5230 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5236 DIE(aTHX_ "Too many args to syscall");
5238 DIE(aTHX_ "Too few args to syscall");
5240 retval = syscall(a[0]);
5243 retval = syscall(a[0],a[1]);
5246 retval = syscall(a[0],a[1],a[2]);
5249 retval = syscall(a[0],a[1],a[2],a[3]);
5252 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5255 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5258 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5261 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5265 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5268 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5271 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5275 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5279 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5283 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5284 a[10],a[11],a[12],a[13]);
5286 #endif /* atarist */
5292 DIE(aTHX_ PL_no_func, "syscall");
5296 #ifdef FCNTL_EMULATE_FLOCK
5298 /* XXX Emulate flock() with fcntl().
5299 What's really needed is a good file locking module.
5303 fcntl_emulate_flock(int fd, int operation)
5307 switch (operation & ~LOCK_NB) {
5309 flock.l_type = F_RDLCK;
5312 flock.l_type = F_WRLCK;
5315 flock.l_type = F_UNLCK;
5321 flock.l_whence = SEEK_SET;
5322 flock.l_start = flock.l_len = (Off_t)0;
5324 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5327 #endif /* FCNTL_EMULATE_FLOCK */
5329 #ifdef LOCKF_EMULATE_FLOCK
5331 /* XXX Emulate flock() with lockf(). This is just to increase
5332 portability of scripts. The calls are not completely
5333 interchangeable. What's really needed is a good file
5337 /* The lockf() constants might have been defined in <unistd.h>.
5338 Unfortunately, <unistd.h> causes troubles on some mixed
5339 (BSD/POSIX) systems, such as SunOS 4.1.3.
5341 Further, the lockf() constants aren't POSIX, so they might not be
5342 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5343 just stick in the SVID values and be done with it. Sigh.
5347 # define F_ULOCK 0 /* Unlock a previously locked region */
5350 # define F_LOCK 1 /* Lock a region for exclusive use */
5353 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5356 # define F_TEST 3 /* Test a region for other processes locks */
5360 lockf_emulate_flock(int fd, int operation)
5366 /* flock locks entire file so for lockf we need to do the same */
5368 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5369 if (pos > 0) /* is seekable and needs to be repositioned */
5370 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5371 pos = -1; /* seek failed, so don't seek back afterwards */
5374 switch (operation) {
5376 /* LOCK_SH - get a shared lock */
5378 /* LOCK_EX - get an exclusive lock */
5380 i = lockf (fd, F_LOCK, 0);
5383 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5384 case LOCK_SH|LOCK_NB:
5385 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5386 case LOCK_EX|LOCK_NB:
5387 i = lockf (fd, F_TLOCK, 0);
5389 if ((errno == EAGAIN) || (errno == EACCES))
5390 errno = EWOULDBLOCK;
5393 /* LOCK_UN - unlock (non-blocking is a no-op) */
5395 case LOCK_UN|LOCK_NB:
5396 i = lockf (fd, F_ULOCK, 0);
5399 /* Default - can't decipher operation */
5406 if (pos > 0) /* need to restore position of the handle */
5407 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5412 #endif /* LOCKF_EMULATE_FLOCK */