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';
812 if ((mg = SvTIED_mg(sv, how))) {
813 SV *obj = SvRV(mg->mg_obj);
816 if (ckWARN(WARN_UNTIE)) {
817 if (mg && SvREFCNT(obj) > 1)
818 Perl_warner(aTHX_ WARN_UNTIE,
819 "untie attempted while %"UVuf" inner references still exist",
820 (UV)SvREFCNT(obj) - 1 ) ;
822 if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
823 isGV(gv) && (cv = GvCV(gv))) {
825 XPUSHs(SvTIED_obj((SV*)gv, mg));
828 call_sv((SV *)cv, G_VOID);
841 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
844 if ((mg = SvTIED_mg(sv, how))) {
845 SV *osv = SvTIED_obj(sv, mg);
846 if (osv == mg->mg_obj)
847 osv = sv_mortalcopy(osv);
865 sv = sv_mortalcopy(&PL_sv_no);
866 sv_setpv(sv, "AnyDBM_File");
867 stash = gv_stashsv(sv, FALSE);
868 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
870 require_pv("AnyDBM_File.pm");
872 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
873 DIE(aTHX_ "No dbm on this machine");
883 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
885 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
888 call_sv((SV*)GvCV(gv), G_SCALAR);
891 if (!sv_isobject(TOPs)) {
896 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
899 call_sv((SV*)GvCV(gv), G_SCALAR);
903 if (sv_isobject(TOPs)) {
904 sv_unmagic((SV *) hv, 'P');
905 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
927 struct timeval timebuf;
928 struct timeval *tbuf = &timebuf;
932 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
937 # if BYTEORDER & 0xf0000
938 # define ORDERBYTE (0x88888888 - BYTEORDER)
940 # define ORDERBYTE (0x4444 - BYTEORDER)
946 for (i = 1; i <= 3; i++) {
954 /* little endians can use vecs directly */
955 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
956 # if SELECT_MIN_BITS > 1
957 /* If SELECT_MIN_BITS is greater than one we most probably will want
958 * to align the sizes with SELECT_MIN_BITS/8 because for example
959 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
960 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
961 * on (sets/tests/clears bits) is 32 bits. */
962 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
964 growsize = sizeof(fd_set);
973 masksize = NFDBITS / NBBY;
975 masksize = sizeof(long); /* documented int, everyone seems to use long */
977 growsize = maxlen + (masksize - (maxlen % masksize));
978 Zero(&fd_sets[0], 4, char*);
986 timebuf.tv_sec = (long)value;
987 value -= (NV)timebuf.tv_sec;
988 timebuf.tv_usec = (long)(value * 1000000.0);
991 tbuf = Null(struct timeval*);
993 for (i = 1; i <= 3; i++) {
1000 SvPV_force(sv,n_a); /* force string conversion */
1003 Sv_Grow(sv, growsize);
1007 while (++j <= growsize) {
1011 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1013 New(403, fd_sets[i], growsize, char);
1014 for (offset = 0; offset < growsize; offset += masksize) {
1015 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1016 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1019 fd_sets[i] = SvPVX(sv);
1023 nfound = PerlSock_select(
1025 (Select_fd_set_t) fd_sets[1],
1026 (Select_fd_set_t) fd_sets[2],
1027 (Select_fd_set_t) fd_sets[3],
1029 for (i = 1; i <= 3; i++) {
1032 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1034 for (offset = 0; offset < growsize; offset += masksize) {
1035 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1036 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1038 Safefree(fd_sets[i]);
1045 if (GIMME == G_ARRAY && tbuf) {
1046 value = (NV)(timebuf.tv_sec) +
1047 (NV)(timebuf.tv_usec) / 1000000.0;
1048 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1049 sv_setnv(sv, value);
1053 DIE(aTHX_ "select not implemented");
1058 Perl_setdefout(pTHX_ GV *gv)
1062 (void)SvREFCNT_inc(gv);
1064 SvREFCNT_dec(PL_defoutgv);
1071 GV *newdefout, *egv;
1074 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1076 egv = GvEGV(PL_defoutgv);
1081 XPUSHs(&PL_sv_undef);
1083 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1084 if (gvp && *gvp == egv) {
1085 gv_efullname4(TARG, PL_defoutgv, Nullch, FALSE);
1089 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1094 if (!GvIO(newdefout))
1095 gv_IOadd(newdefout);
1096 setdefout(newdefout);
1113 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1114 I32 gimme = GIMME_V;
1116 XPUSHs(SvTIED_obj((SV*)gv, mg));
1119 call_method("GETC", gimme);
1122 if (gimme == G_SCALAR)
1123 SvSetMagicSV_nosteal(TARG, TOPs);
1126 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1129 sv_setpv(TARG, " ");
1130 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1137 return pp_sysread();
1141 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1144 register PERL_CONTEXT *cx;
1145 I32 gimme = GIMME_V;
1146 AV* padlist = CvPADLIST(cv);
1147 SV** svp = AvARRAY(padlist);
1153 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1155 SAVEVPTR(PL_curpad);
1156 PL_curpad = AvARRAY((AV*)svp[1]);
1158 setdefout(gv); /* locally select filehandle so $% et al work */
1191 SV *tmpsv = sv_newmortal();
1192 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1193 name = SvPV_nolen(tmpsv);
1196 DIE(aTHX_ "Undefined format \"%s\" called", name);
1197 DIE(aTHX_ "Not a format reference");
1200 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1202 IoFLAGS(io) &= ~IOf_DIDTOP;
1203 return doform(cv,gv,PL_op->op_next);
1209 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1210 register IO *io = GvIOp(gv);
1211 PerlIO *ofp = IoOFP(io);
1215 register PERL_CONTEXT *cx;
1217 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1218 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1219 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1220 PL_formtarget != PL_toptarget)
1224 if (!IoTOP_GV(io)) {
1228 if (!IoTOP_NAME(io)) {
1229 if (!IoFMT_NAME(io))
1230 IoFMT_NAME(io) = savepv(GvNAME(gv));
1231 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1232 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1233 if ((topgv && GvFORM(topgv)) ||
1234 !gv_fetchpv("top",FALSE,SVt_PVFM))
1235 IoTOP_NAME(io) = savepv(SvPVX(topname));
1237 IoTOP_NAME(io) = savepv("top");
1239 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1240 if (!topgv || !GvFORM(topgv)) {
1241 IoLINES_LEFT(io) = 100000000;
1244 IoTOP_GV(io) = topgv;
1246 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1247 I32 lines = IoLINES_LEFT(io);
1248 char *s = SvPVX(PL_formtarget);
1249 if (lines <= 0) /* Yow, header didn't even fit!!! */
1251 while (lines-- > 0) {
1252 s = strchr(s, '\n');
1258 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1259 sv_chop(PL_formtarget, s);
1260 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1263 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1264 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1265 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1267 PL_formtarget = PL_toptarget;
1268 IoFLAGS(io) |= IOf_DIDTOP;
1271 DIE(aTHX_ "bad top format reference");
1276 SV *sv = sv_newmortal();
1277 gv_efullname4(sv, fgv, Nullch, FALSE);
1278 name = SvPV_nolen(sv);
1281 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1284 DIE(aTHX_ "Undefined top format called");
1288 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1289 return doform(cv,gv,PL_op);
1293 POPBLOCK(cx,PL_curpm);
1299 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1301 /* integrate with report_evil_fh()? */
1304 SV* sv = sv_newmortal();
1305 gv_efullname4(sv, gv, Nullch, FALSE);
1306 name = SvPV_nolen(sv);
1309 Perl_warner(aTHX_ WARN_IO,
1310 "Filehandle %s opened only for input", name);
1312 Perl_warner(aTHX_ WARN_IO,
1313 "Filehandle opened only for input");
1315 else if (ckWARN(WARN_CLOSED))
1316 report_evil_fh(gv, io, PL_op->op_type);
1321 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1322 if (ckWARN(WARN_IO))
1323 Perl_warner(aTHX_ WARN_IO, "page overflow");
1325 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1329 FmLINES(PL_formtarget) = 0;
1330 SvCUR_set(PL_formtarget, 0);
1331 *SvEND(PL_formtarget) = '\0';
1332 if (IoFLAGS(io) & IOf_FLUSH)
1333 (void)PerlIO_flush(fp);
1337 PL_formtarget = PL_bodytarget;
1339 return pop_return();
1344 djSP; dMARK; dORIGMARK;
1352 if (PL_op->op_flags & OPf_STACKED)
1357 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1358 if (MARK == ORIGMARK) {
1361 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1365 *MARK = SvTIED_obj((SV*)gv, mg);
1368 call_method("PRINTF", G_SCALAR);
1371 MARK = ORIGMARK + 1;
1378 if (!(io = GvIO(gv))) {
1380 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1381 report_evil_fh(gv, io, PL_op->op_type);
1382 SETERRNO(EBADF,RMS$_IFI);
1385 else if (!(fp = IoOFP(io))) {
1386 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1387 /* integrate with report_evil_fh()? */
1391 gv_efullname4(sv, gv, Nullch, FALSE);
1392 name = SvPV_nolen(sv);
1395 Perl_warner(aTHX_ WARN_IO,
1396 "Filehandle %s opened only for input", name);
1398 Perl_warner(aTHX_ WARN_IO,
1399 "Filehandle opened only for input");
1401 else if (ckWARN(WARN_CLOSED))
1402 report_evil_fh(gv, io, PL_op->op_type);
1404 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1408 do_sprintf(sv, SP - MARK, MARK + 1);
1409 if (!do_print(sv, fp))
1412 if (IoFLAGS(io) & IOf_FLUSH)
1413 if (PerlIO_flush(fp) == EOF)
1424 PUSHs(&PL_sv_undef);
1445 /* Need TIEHANDLE method ? */
1447 tmps = SvPV(sv, len);
1448 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1449 IoLINES(GvIOp(gv)) = 0;
1453 PUSHs(&PL_sv_undef);
1460 djSP; dMARK; dORIGMARK; dTARGET;
1466 Sock_size_t bufsize;
1472 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1473 (mg = SvTIED_mg((SV*)gv, 'q')))
1478 *MARK = SvTIED_obj((SV*)gv, mg);
1480 call_method("READ", G_SCALAR);
1493 sv_setpvn(bufsv, "", 0);
1494 buffer = SvPV_force(bufsv, blen);
1495 length = SvIVx(*++MARK);
1497 DIE(aTHX_ "Negative length");
1500 offset = SvIVx(*++MARK);
1504 if (!io || !IoIFP(io))
1507 if (PL_op->op_type == OP_RECV) {
1508 char namebuf[MAXPATHLEN];
1509 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1510 bufsize = sizeof (struct sockaddr_in);
1512 bufsize = sizeof namebuf;
1514 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1518 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1522 buffer = SvGROW(bufsv, length+1);
1523 /* 'offset' means 'flags' here */
1524 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1525 (struct sockaddr *)namebuf, &bufsize);
1528 SvCUR_set(bufsv, length);
1529 *SvEND(bufsv) = '\0';
1530 (void)SvPOK_only(bufsv);
1532 /* This should not be marked tainted if the fp is marked clean */
1533 if (!(IoFLAGS(io) & IOf_UNTAINT))
1534 SvTAINTED_on(bufsv);
1536 sv_setpvn(TARG, namebuf, bufsize);
1541 if (PL_op->op_type == OP_RECV)
1542 DIE(aTHX_ PL_no_sock_func, "recv");
1546 DIE(aTHX_ "Offset outside string");
1549 bufsize = SvCUR(bufsv);
1550 buffer = SvGROW(bufsv, length+offset+1);
1551 if (offset > bufsize) { /* Zero any newly allocated space */
1552 Zero(buffer+bufsize, offset-bufsize, char);
1554 if (PL_op->op_type == OP_SYSREAD) {
1555 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1556 if (IoTYPE(io) == IoTYPE_SOCKET) {
1557 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1558 buffer+offset, length, 0);
1563 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1564 buffer+offset, length);
1568 #ifdef HAS_SOCKET__bad_code_maybe
1569 if (IoTYPE(io) == IoTYPE_SOCKET) {
1570 char namebuf[MAXPATHLEN];
1571 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1572 bufsize = sizeof (struct sockaddr_in);
1574 bufsize = sizeof namebuf;
1576 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1577 (struct sockaddr *)namebuf, &bufsize);
1582 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1583 /* fread() returns 0 on both error and EOF */
1584 if (length == 0 && PerlIO_error(IoIFP(io)))
1588 if ((IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout()
1589 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1591 /* integrate with report_evil_fh()? */
1594 SV* sv = sv_newmortal();
1595 gv_efullname4(sv, gv, Nullch, FALSE);
1596 name = SvPV_nolen(sv);
1599 Perl_warner(aTHX_ WARN_IO,
1600 "Filehandle %s opened only for output", name);
1602 Perl_warner(aTHX_ WARN_IO,
1603 "Filehandle opened only for output");
1607 SvCUR_set(bufsv, length+offset);
1608 *SvEND(bufsv) = '\0';
1609 (void)SvPOK_only(bufsv);
1611 /* This should not be marked tainted if the fp is marked clean */
1612 if (!(IoFLAGS(io) & IOf_UNTAINT))
1613 SvTAINTED_on(bufsv);
1626 int items = (SP - PL_stack_base) - TOPMARK;
1630 sv = sv_2mortal(newSViv(sv_len(*SP)));
1639 djSP; dMARK; dORIGMARK; dTARGET;
1651 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1655 *MARK = SvTIED_obj((SV*)gv, mg);
1657 call_method("WRITE", G_SCALAR);
1668 buffer = SvPV(bufsv, blen);
1669 #if Size_t_size > IVSIZE
1670 length = (Size_t)SvNVx(*++MARK);
1672 length = (Size_t)SvIVx(*++MARK);
1674 if ((SSize_t)length < 0)
1675 DIE(aTHX_ "Negative length");
1678 if (!io || !IoIFP(io)) {
1680 if (ckWARN(WARN_CLOSED))
1681 report_evil_fh(gv, io, PL_op->op_type);
1683 else if (PL_op->op_type == OP_SYSWRITE) {
1685 offset = SvIVx(*++MARK);
1688 DIE(aTHX_ "Offset outside string");
1690 } else if (offset >= blen && blen > 0)
1691 DIE(aTHX_ "Offset outside string");
1694 if (length > blen - offset)
1695 length = blen - offset;
1696 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1697 if (IoTYPE(io) == IoTYPE_SOCKET) {
1698 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1699 buffer+offset, length, 0);
1704 /* See the note at doio.c:do_print about filesize limits. --jhi */
1705 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1706 buffer+offset, length);
1710 else if (SP > MARK) {
1713 sockbuf = SvPVx(*++MARK, mlen);
1714 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1715 length, (struct sockaddr *)sockbuf, mlen);
1718 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1722 DIE(aTHX_ PL_no_sock_func, "send");
1727 #if Size_t_size > IVSIZE
1741 return pp_sysread();
1751 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1753 gv = PL_last_in_gv = PL_argvgv;
1755 if (io && !IoIFP(io)) {
1756 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1758 IoFLAGS(io) &= ~IOf_START;
1759 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1760 sv_setpvn(GvSV(gv), "-", 1);
1761 SvSETMAGIC(GvSV(gv));
1763 else if (!nextargv(gv))
1768 gv = PL_last_in_gv; /* eof */
1771 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1773 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1775 XPUSHs(SvTIED_obj((SV*)gv, mg));
1778 call_method("EOF", G_SCALAR);
1784 PUSHs(boolSV(!gv || do_eof(gv)));
1797 gv = PL_last_in_gv = (GV*)POPs;
1799 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1801 XPUSHs(SvTIED_obj((SV*)gv, mg));
1804 call_method("TELL", G_SCALAR);
1810 #if LSEEKSIZE > IVSIZE
1811 PUSHn( do_tell(gv) );
1813 PUSHi( do_tell(gv) );
1820 return pp_sysseek();
1828 #if LSEEKSIZE > IVSIZE
1829 Off_t offset = (Off_t)SvNVx(POPs);
1831 Off_t offset = (Off_t)SvIVx(POPs);
1835 gv = PL_last_in_gv = (GV*)POPs;
1837 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1839 XPUSHs(SvTIED_obj((SV*)gv, mg));
1840 #if LSEEKSIZE > IVSIZE
1841 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1843 XPUSHs(sv_2mortal(newSViv(offset)));
1845 XPUSHs(sv_2mortal(newSViv(whence)));
1848 call_method("SEEK", G_SCALAR);
1854 if (PL_op->op_type == OP_SEEK)
1855 PUSHs(boolSV(do_seek(gv, offset, whence)));
1857 Off_t sought = do_sysseek(gv, offset, whence);
1859 PUSHs(&PL_sv_undef);
1862 #if LSEEKSIZE > IVSIZE
1867 : newSVpvn(zero_but_true, ZBTLEN);
1868 PUSHs(sv_2mortal(sv));
1877 /* There seems to be no consensus on the length type of truncate()
1878 * and ftruncate(), both off_t and size_t have supporters. In
1879 * general one would think that when using large files, off_t is
1880 * at least as wide as size_t, so using an off_t should be okay. */
1881 /* XXX Configure probe for the length type of *truncate() needed XXX */
1887 #if Size_t_size > IVSIZE
1892 /* Checking for length < 0 is problematic as the type might or
1893 * might not be signed: if it is not, clever compilers will moan. */
1894 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1896 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1897 if (PL_op->op_flags & OPf_SPECIAL) {
1898 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1900 TAINT_PROPER("truncate");
1901 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1904 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
1906 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1908 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1918 if (SvTYPE(sv) == SVt_PVGV) {
1919 tmpgv = (GV*)sv; /* *main::FRED for example */
1922 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1923 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1927 name = SvPV(sv, n_a);
1928 TAINT_PROPER("truncate");
1930 if (truncate(name, len) < 0)
1935 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1938 if (my_chsize(tmpfd, len) < 0)
1940 PerlLIO_close(tmpfd);
1949 SETERRNO(EBADF,RMS$_IFI);
1952 DIE(aTHX_ "truncate not implemented");
1965 unsigned int func = U_I(POPn);
1966 int optype = PL_op->op_type;
1972 if (!io || !argsv || !IoIFP(io)) {
1973 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1977 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1980 s = SvPV_force(argsv, len);
1981 need = IOCPARM_LEN(func);
1983 s = Sv_Grow(argsv, need + 1);
1984 SvCUR_set(argsv, need);
1987 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1990 retval = SvIV(argsv);
1991 s = INT2PTR(char*,retval); /* ouch */
1994 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1996 if (optype == OP_IOCTL)
1998 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
2000 DIE(aTHX_ "ioctl is not implemented");
2004 #if defined(OS2) && defined(__EMX__)
2005 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
2007 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2010 DIE(aTHX_ "fcntl is not implemented");
2014 if (s[SvCUR(argsv)] != 17)
2015 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2016 PL_op_name[optype]);
2017 s[SvCUR(argsv)] = 0; /* put our null back */
2018 SvSETMAGIC(argsv); /* Assume it has changed */
2027 PUSHp(zero_but_true, ZBTLEN);
2047 if (gv && (io = GvIO(gv)))
2054 (void)PerlIO_flush(fp);
2055 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2058 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2059 report_evil_fh(gv, io, PL_op->op_type);
2061 SETERRNO(EBADF,RMS$_IFI);
2066 DIE(aTHX_ PL_no_func, "flock()");
2078 int protocol = POPi;
2086 SETERRNO(EBADF,LIB$_INVARG);
2092 do_close(gv, FALSE);
2094 TAINT_PROPER("socket");
2095 fd = PerlSock_socket(domain, type, protocol);
2098 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2099 IoOFP(io) = PerlIO_fdopen(fd, "w");
2100 IoTYPE(io) = IoTYPE_SOCKET;
2101 if (!IoIFP(io) || !IoOFP(io)) {
2102 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2103 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2104 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2107 #if defined(HAS_FCNTL) && defined(F_SETFD)
2108 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2113 DIE(aTHX_ PL_no_sock_func, "socket");
2120 #ifdef HAS_SOCKETPAIR
2125 int protocol = POPi;
2138 do_close(gv1, FALSE);
2140 do_close(gv2, FALSE);
2142 TAINT_PROPER("socketpair");
2143 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2145 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2146 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2147 IoTYPE(io1) = IoTYPE_SOCKET;
2148 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2149 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2150 IoTYPE(io2) = IoTYPE_SOCKET;
2151 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2152 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2153 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2154 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2155 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2156 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2157 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2160 #if defined(HAS_FCNTL) && defined(F_SETFD)
2161 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2162 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2167 DIE(aTHX_ PL_no_sock_func, "socketpair");
2175 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2176 extern GETPRIVMODE();
2177 extern GETUSERMODE();
2182 register IO *io = GvIOn(gv);
2186 int mpeprivmode = 0;
2189 if (!io || !IoIFP(io))
2192 addr = SvPV(addrsv, len);
2193 TAINT_PROPER("bind");
2194 #ifdef MPE /* Deal with MPE bind() peculiarities */
2195 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2196 /* The address *MUST* stupidly be zero. */
2197 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2198 /* PRIV mode is required to bind() to ports < 1024. */
2199 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2200 ((struct sockaddr_in *)addr)->sin_port > 0) {
2201 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2206 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2207 (struct sockaddr *)addr, len) >= 0)
2210 #ifdef MPE /* Switch back to USER mode */
2221 if (ckWARN(WARN_CLOSED))
2222 report_evil_fh(gv, io, PL_op->op_type);
2223 SETERRNO(EBADF,SS$_IVCHAN);
2226 DIE(aTHX_ PL_no_sock_func, "bind");
2237 register IO *io = GvIOn(gv);
2240 if (!io || !IoIFP(io))
2243 addr = SvPV(addrsv, len);
2244 TAINT_PROPER("connect");
2245 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2251 if (ckWARN(WARN_CLOSED))
2252 report_evil_fh(gv, io, PL_op->op_type);
2253 SETERRNO(EBADF,SS$_IVCHAN);
2256 DIE(aTHX_ PL_no_sock_func, "connect");
2266 register IO *io = GvIOn(gv);
2268 if (!io || !IoIFP(io))
2271 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2277 if (ckWARN(WARN_CLOSED))
2278 report_evil_fh(gv, io, PL_op->op_type);
2279 SETERRNO(EBADF,SS$_IVCHAN);
2282 DIE(aTHX_ PL_no_sock_func, "listen");
2294 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2295 Sock_size_t len = sizeof saddr;
2307 if (!gstio || !IoIFP(gstio))
2312 do_close(ngv, FALSE);
2314 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2317 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2318 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2319 IoTYPE(nstio) = IoTYPE_SOCKET;
2320 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2321 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2322 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2323 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2326 #if defined(HAS_FCNTL) && defined(F_SETFD)
2327 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2330 PUSHp((char *)&saddr, len);
2334 if (ckWARN(WARN_CLOSED))
2335 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2336 SETERRNO(EBADF,SS$_IVCHAN);
2342 DIE(aTHX_ PL_no_sock_func, "accept");
2352 register IO *io = GvIOn(gv);
2354 if (!io || !IoIFP(io))
2357 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2361 if (ckWARN(WARN_CLOSED))
2362 report_evil_fh(gv, io, PL_op->op_type);
2363 SETERRNO(EBADF,SS$_IVCHAN);
2366 DIE(aTHX_ PL_no_sock_func, "shutdown");
2373 return pp_ssockopt();
2375 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2383 int optype = PL_op->op_type;
2386 unsigned int optname;
2392 if (optype == OP_GSOCKOPT)
2393 sv = sv_2mortal(NEWSV(22, 257));
2396 optname = (unsigned int) POPi;
2397 lvl = (unsigned int) POPi;
2401 if (!io || !IoIFP(io))
2404 fd = PerlIO_fileno(IoIFP(io));
2408 (void)SvPOK_only(sv);
2412 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2427 aint = (int)SvIV(sv);
2431 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2440 if (ckWARN(WARN_CLOSED))
2441 report_evil_fh(gv, io, optype);
2442 SETERRNO(EBADF,SS$_IVCHAN);
2447 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2454 return pp_getpeername();
2456 DIE(aTHX_ PL_no_sock_func, "getsockname");
2464 int optype = PL_op->op_type;
2468 register IO *io = GvIOn(gv);
2471 if (!io || !IoIFP(io))
2474 sv = sv_2mortal(NEWSV(22, 257));
2475 (void)SvPOK_only(sv);
2479 fd = PerlIO_fileno(IoIFP(io));
2481 case OP_GETSOCKNAME:
2482 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2485 case OP_GETPEERNAME:
2486 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2488 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2490 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";
2491 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2492 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2493 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2494 sizeof(u_short) + sizeof(struct in_addr))) {
2501 #ifdef BOGUS_GETNAME_RETURN
2502 /* Interactive Unix, getpeername() and getsockname()
2503 does not return valid namelen */
2504 if (len == BOGUS_GETNAME_RETURN)
2505 len = sizeof(struct sockaddr);
2513 if (ckWARN(WARN_CLOSED))
2514 report_evil_fh(gv, io, optype);
2515 SETERRNO(EBADF,SS$_IVCHAN);
2520 DIE(aTHX_ PL_no_sock_func, "getpeername");
2539 if (PL_op->op_flags & OPf_REF) {
2541 if (PL_op->op_type == OP_LSTAT && ckWARN(WARN_IO))
2542 Perl_warner(aTHX_ WARN_IO,
2543 "lstat() on filehandle %s", GvENAME(gv));
2545 if (gv != PL_defgv) {
2546 PL_laststype = OP_STAT;
2548 sv_setpv(PL_statname, "");
2549 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2550 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2552 if (PL_laststatval < 0) {
2554 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2555 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2561 if (SvTYPE(sv) == SVt_PVGV) {
2565 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2569 sv_setpv(PL_statname, SvPV(sv,n_a));
2572 PL_laststype = PL_op->op_type;
2573 if (PL_op->op_type == OP_LSTAT)
2574 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2577 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2578 if (PL_laststatval < 0) {
2579 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2580 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2586 if (gimme != G_ARRAY) {
2587 if (gimme != G_VOID)
2588 XPUSHs(boolSV(max));
2594 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2595 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2596 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2597 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2598 #if Uid_t_size > IVSIZE
2599 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2601 # if Uid_t_sign <= 0
2602 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2604 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2607 #if Gid_t_size > IVSIZE
2608 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2610 # if Gid_t_sign <= 0
2611 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2613 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2616 #ifdef USE_STAT_RDEV
2617 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2619 PUSHs(sv_2mortal(newSVpvn("", 0)));
2621 #if Off_t_size > IVSIZE
2622 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2624 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2627 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2628 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2629 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2631 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2632 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2633 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2635 #ifdef USE_STAT_BLOCKS
2636 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2637 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2639 PUSHs(sv_2mortal(newSVpvn("", 0)));
2640 PUSHs(sv_2mortal(newSVpvn("", 0)));
2650 #if defined(HAS_ACCESS) && defined(R_OK)
2652 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2653 result = access(TOPpx, R_OK);
2668 if (cando(S_IRUSR, 0, &PL_statcache))
2677 #if defined(HAS_ACCESS) && defined(W_OK)
2679 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2680 result = access(TOPpx, W_OK);
2695 if (cando(S_IWUSR, 0, &PL_statcache))
2704 #if defined(HAS_ACCESS) && defined(X_OK)
2706 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2707 result = access(TOPpx, X_OK);
2722 if (cando(S_IXUSR, 0, &PL_statcache))
2731 #ifdef PERL_EFF_ACCESS_R_OK
2733 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2734 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2749 if (cando(S_IRUSR, 1, &PL_statcache))
2758 #ifdef PERL_EFF_ACCESS_W_OK
2760 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2761 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2776 if (cando(S_IWUSR, 1, &PL_statcache))
2785 #ifdef PERL_EFF_ACCESS_X_OK
2787 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2788 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2803 if (cando(S_IXUSR, 1, &PL_statcache))
2810 I32 result = my_stat();
2819 return pp_ftrowned();
2824 I32 result = my_stat();
2828 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2836 I32 result = my_stat();
2840 if (PL_statcache.st_size == 0)
2847 I32 result = my_stat();
2851 #if Off_t_size > IVSIZE
2852 PUSHn(PL_statcache.st_size);
2854 PUSHi(PL_statcache.st_size);
2861 I32 result = my_stat();
2865 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2871 I32 result = my_stat();
2875 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2881 I32 result = my_stat();
2885 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2891 I32 result = my_stat();
2895 if (S_ISSOCK(PL_statcache.st_mode))
2902 I32 result = my_stat();
2906 if (S_ISCHR(PL_statcache.st_mode))
2913 I32 result = my_stat();
2917 if (S_ISBLK(PL_statcache.st_mode))
2924 I32 result = my_stat();
2928 if (S_ISREG(PL_statcache.st_mode))
2935 I32 result = my_stat();
2939 if (S_ISDIR(PL_statcache.st_mode))
2946 I32 result = my_stat();
2950 if (S_ISFIFO(PL_statcache.st_mode))
2957 I32 result = my_lstat();
2961 if (S_ISLNK(PL_statcache.st_mode))
2970 I32 result = my_stat();
2974 if (PL_statcache.st_mode & S_ISUID)
2984 I32 result = my_stat();
2988 if (PL_statcache.st_mode & S_ISGID)
2998 I32 result = my_stat();
3002 if (PL_statcache.st_mode & S_ISVTX)
3013 char *tmps = Nullch;
3016 if (PL_op->op_flags & OPf_REF)
3018 else if (isGV(TOPs))
3020 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3021 gv = (GV*)SvRV(POPs);
3023 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3025 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3026 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3027 else if (tmps && isDIGIT(*tmps))
3031 if (PerlLIO_isatty(fd))
3036 #if defined(atarist) /* this will work with atariST. Configure will
3037 make guesses for other systems. */
3038 # define FILE_base(f) ((f)->_base)
3039 # define FILE_ptr(f) ((f)->_ptr)
3040 # define FILE_cnt(f) ((f)->_cnt)
3041 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3051 register STDCHAR *s;
3058 if (PL_op->op_flags & OPf_REF)
3060 else if (isGV(TOPs))
3062 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3063 gv = (GV*)SvRV(POPs);
3069 if (gv == PL_defgv) {
3071 io = GvIO(PL_statgv);
3074 goto really_filename;
3079 PL_laststatval = -1;
3080 sv_setpv(PL_statname, "");
3081 io = GvIO(PL_statgv);
3083 if (io && IoIFP(io)) {
3084 if (! PerlIO_has_base(IoIFP(io)))
3085 DIE(aTHX_ "-T and -B not implemented on filehandles");
3086 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3087 if (PL_laststatval < 0)
3089 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3090 if (PL_op->op_type == OP_FTTEXT)
3094 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3095 i = PerlIO_getc(IoIFP(io));
3097 (void)PerlIO_ungetc(IoIFP(io),i);
3099 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3101 len = PerlIO_get_bufsiz(IoIFP(io));
3102 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3103 /* sfio can have large buffers - limit to 512 */
3109 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3111 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3113 SETERRNO(EBADF,RMS$_IFI);
3121 PL_laststatval = -1;
3122 sv_setpv(PL_statname, SvPV(sv, n_a));
3123 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3124 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3125 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3128 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3129 if (PL_laststatval < 0) {
3130 (void)PerlIO_close(fp);
3133 do_binmode(fp, '<', O_BINARY);
3134 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3135 (void)PerlIO_close(fp);
3137 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3138 RETPUSHNO; /* special case NFS directories */
3139 RETPUSHYES; /* null file is anything */
3144 /* now scan s to look for textiness */
3145 /* XXX ASCII dependent code */
3147 #if defined(DOSISH) || defined(USEMYBINMODE)
3148 /* ignore trailing ^Z on short files */
3149 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3153 for (i = 0; i < len; i++, s++) {
3154 if (!*s) { /* null never allowed in text */
3159 else if (!(isPRINT(*s) || isSPACE(*s)))
3162 else if (*s & 128) {
3164 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3167 /* utf8 characters don't count as odd */
3169 int ulen = UTF8SKIP(s);
3170 if (ulen < len - i) {
3172 for (j = 1; j < ulen; j++) {
3173 if ((s[j] & 0xc0) != 0x80)
3176 --ulen; /* loop does extra increment */
3186 *s != '\n' && *s != '\r' && *s != '\b' &&
3187 *s != '\t' && *s != '\f' && *s != 27)
3192 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3216 if (!tmps || !*tmps) {
3217 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3219 tmps = SvPV(*svp, n_a);
3221 if (!tmps || !*tmps) {
3222 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3224 tmps = SvPV(*svp, n_a);
3227 if (!tmps || !*tmps) {
3228 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3230 tmps = SvPV(*svp, n_a);
3233 TAINT_PROPER("chdir");
3234 PUSHi( PerlDir_chdir(tmps) >= 0 );
3236 /* Clear the DEFAULT element of ENV so we'll get the new value
3238 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3245 djSP; dMARK; dTARGET;
3248 value = (I32)apply(PL_op->op_type, MARK, SP);
3253 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3264 TAINT_PROPER("chroot");
3265 PUSHi( chroot(tmps) >= 0 );
3268 DIE(aTHX_ PL_no_func, "chroot");
3274 djSP; dMARK; dTARGET;
3276 value = (I32)apply(PL_op->op_type, MARK, SP);
3284 djSP; dMARK; dTARGET;
3286 value = (I32)apply(PL_op->op_type, MARK, SP);
3294 djSP; dMARK; dTARGET;
3296 value = (I32)apply(PL_op->op_type, MARK, SP);
3308 char *tmps2 = POPpx;
3309 char *tmps = SvPV(TOPs, n_a);
3310 TAINT_PROPER("rename");
3312 anum = PerlLIO_rename(tmps, tmps2);
3314 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3315 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3318 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3319 (void)UNLINK(tmps2);
3320 if (!(anum = link(tmps, tmps2)))
3321 anum = UNLINK(tmps);
3334 char *tmps2 = POPpx;
3335 char *tmps = SvPV(TOPs, n_a);
3336 TAINT_PROPER("link");
3337 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3339 DIE(aTHX_ PL_no_func, "Unsupported function link");
3349 char *tmps2 = POPpx;
3350 char *tmps = SvPV(TOPs, n_a);
3351 TAINT_PROPER("symlink");
3352 SETi( symlink(tmps, tmps2) >= 0 );
3355 DIE(aTHX_ PL_no_func, "symlink");
3364 char buf[MAXPATHLEN];
3368 #ifndef INCOMPLETE_TAINTS
3372 len = readlink(tmps, buf, sizeof buf);
3380 RETSETUNDEF; /* just pretend it's a normal file */
3384 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3386 S_dooneliner(pTHX_ char *cmd, char *filename)
3388 char *save_filename = filename;
3394 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3395 strcpy(cmdline, cmd);
3396 strcat(cmdline, " ");
3397 for (s = cmdline + strlen(cmdline); *filename; ) {
3402 myfp = PerlProc_popen(cmdline, "r");
3406 SV *tmpsv = sv_newmortal();
3407 /* Need to save/restore 'PL_rs' ?? */
3408 s = sv_gets(tmpsv, myfp, 0);
3409 (void)PerlProc_pclose(myfp);
3413 #ifdef HAS_SYS_ERRLIST
3418 /* you don't see this */
3420 #ifdef HAS_SYS_ERRLIST
3428 if (instr(s, errmsg)) {
3435 #define EACCES EPERM
3437 if (instr(s, "cannot make"))
3438 SETERRNO(EEXIST,RMS$_FEX);
3439 else if (instr(s, "existing file"))
3440 SETERRNO(EEXIST,RMS$_FEX);
3441 else if (instr(s, "ile exists"))
3442 SETERRNO(EEXIST,RMS$_FEX);
3443 else if (instr(s, "non-exist"))
3444 SETERRNO(ENOENT,RMS$_FNF);
3445 else if (instr(s, "does not exist"))
3446 SETERRNO(ENOENT,RMS$_FNF);
3447 else if (instr(s, "not empty"))
3448 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3449 else if (instr(s, "cannot access"))
3450 SETERRNO(EACCES,RMS$_PRV);
3452 SETERRNO(EPERM,RMS$_PRV);
3455 else { /* some mkdirs return no failure indication */
3456 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3457 if (PL_op->op_type == OP_RMDIR)
3462 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3486 tmps = SvPV(TOPs, n_a);
3488 TAINT_PROPER("mkdir");
3490 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3492 SETi( dooneliner("mkdir", tmps) );
3493 oldumask = PerlLIO_umask(0);
3494 PerlLIO_umask(oldumask);
3495 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3507 TAINT_PROPER("rmdir");
3509 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3511 XPUSHi( dooneliner("rmdir", tmps) );
3516 /* Directory calls. */
3521 #if defined(Direntry_t) && defined(HAS_READDIR)
3523 char *dirname = POPpx;
3525 register IO *io = GvIOn(gv);
3531 PerlDir_close(IoDIRP(io));
3532 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3538 SETERRNO(EBADF,RMS$_DIR);
3541 DIE(aTHX_ PL_no_dir_func, "opendir");
3548 #if defined(Direntry_t) && defined(HAS_READDIR)
3550 Direntry_t *readdir (DIR *);
3552 register Direntry_t *dp;
3554 register IO *io = GvIOn(gv);
3557 if (!io || !IoDIRP(io))
3560 if (GIMME == G_ARRAY) {
3562 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3564 sv = newSVpvn(dp->d_name, dp->d_namlen);
3566 sv = newSVpv(dp->d_name, 0);
3568 #ifndef INCOMPLETE_TAINTS
3569 if (!(IoFLAGS(io) & IOf_UNTAINT))
3572 XPUSHs(sv_2mortal(sv));
3576 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3579 sv = newSVpvn(dp->d_name, dp->d_namlen);
3581 sv = newSVpv(dp->d_name, 0);
3583 #ifndef INCOMPLETE_TAINTS
3584 if (!(IoFLAGS(io) & IOf_UNTAINT))
3587 XPUSHs(sv_2mortal(sv));
3593 SETERRNO(EBADF,RMS$_ISI);
3594 if (GIMME == G_ARRAY)
3599 DIE(aTHX_ PL_no_dir_func, "readdir");
3606 #if defined(HAS_TELLDIR) || defined(telldir)
3607 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3608 /* XXX netbsd still seemed to.
3609 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3610 --JHI 1999-Feb-02 */
3611 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3612 long telldir (DIR *);
3615 register IO *io = GvIOn(gv);
3617 if (!io || !IoDIRP(io))
3620 PUSHi( PerlDir_tell(IoDIRP(io)) );
3624 SETERRNO(EBADF,RMS$_ISI);
3627 DIE(aTHX_ PL_no_dir_func, "telldir");
3634 #if defined(HAS_SEEKDIR) || defined(seekdir)
3637 register IO *io = GvIOn(gv);
3639 if (!io || !IoDIRP(io))
3642 (void)PerlDir_seek(IoDIRP(io), along);
3647 SETERRNO(EBADF,RMS$_ISI);
3650 DIE(aTHX_ PL_no_dir_func, "seekdir");
3657 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3659 register IO *io = GvIOn(gv);
3661 if (!io || !IoDIRP(io))
3664 (void)PerlDir_rewind(IoDIRP(io));
3668 SETERRNO(EBADF,RMS$_ISI);
3671 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3678 #if defined(Direntry_t) && defined(HAS_READDIR)
3680 register IO *io = GvIOn(gv);
3682 if (!io || !IoDIRP(io))
3685 #ifdef VOID_CLOSEDIR
3686 PerlDir_close(IoDIRP(io));
3688 if (PerlDir_close(IoDIRP(io)) < 0) {
3689 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3698 SETERRNO(EBADF,RMS$_IFI);
3701 DIE(aTHX_ PL_no_dir_func, "closedir");
3705 /* Process control. */
3715 PERL_FLUSHALL_FOR_CHILD;
3721 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3722 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3723 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3728 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3733 PERL_FLUSHALL_FOR_CHILD;
3734 childpid = PerlProc_fork();
3740 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3747 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3752 childpid = wait4pid(-1, &argflags, 0);
3753 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3754 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3755 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3757 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3762 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3768 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3776 childpid = wait4pid(childpid, &argflags, optype);
3777 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3778 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3779 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3781 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3786 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3792 djSP; dMARK; dORIGMARK; dTARGET;
3797 Sigsave_t ihand,qhand; /* place to save signals during system() */
3802 if (SP - MARK == 1) {
3804 char *junk = SvPV(TOPs, n_a);
3806 TAINT_PROPER("system");
3809 PERL_FLUSHALL_FOR_CHILD;
3810 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3811 if (PerlProc_pipe(pp) >= 0)
3813 while ((childpid = vfork()) == -1) {
3814 if (errno != EAGAIN) {
3819 PerlLIO_close(pp[0]);
3820 PerlLIO_close(pp[1]);
3828 PerlLIO_close(pp[1]);
3830 rsignal_save(SIGINT, SIG_IGN, &ihand);
3831 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3834 result = wait4pid(childpid, &status, 0);
3835 } while (result == -1 && errno == EINTR);
3837 (void)rsignal_restore(SIGINT, &ihand);
3838 (void)rsignal_restore(SIGQUIT, &qhand);
3840 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3841 do_execfree(); /* free any memory child malloced on vfork */
3847 while (n < sizeof(int)) {
3848 n1 = PerlLIO_read(pp[0],
3849 (void*)(((char*)&errkid)+n),
3855 PerlLIO_close(pp[0]);
3856 if (n) { /* Error */
3857 if (n != sizeof(int))
3858 DIE(aTHX_ "panic: kid popen errno read");
3859 errno = errkid; /* Propagate errno from kid */
3860 STATUS_CURRENT = -1;
3863 PUSHi(STATUS_CURRENT);
3867 PerlLIO_close(pp[0]);
3868 #if defined(HAS_FCNTL) && defined(F_SETFD)
3869 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3872 if (PL_op->op_flags & OPf_STACKED) {
3873 SV *really = *++MARK;
3874 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3876 else if (SP - MARK != 1)
3877 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3879 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3882 #else /* ! FORK or VMS or OS/2 */
3885 if (PL_op->op_flags & OPf_STACKED) {
3886 SV *really = *++MARK;
3887 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3889 else if (SP - MARK != 1)
3890 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3892 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3894 if (PL_statusvalue == -1) /* hint that value must be returned as is */
3896 STATUS_NATIVE_SET(value);
3899 PUSHi(result ? value : STATUS_CURRENT);
3900 #endif /* !FORK or VMS */
3906 djSP; dMARK; dORIGMARK; dTARGET;
3910 PERL_FLUSHALL_FOR_CHILD;
3911 if (PL_op->op_flags & OPf_STACKED) {
3912 SV *really = *++MARK;
3913 value = (I32)do_aexec(really, MARK, SP);
3915 else if (SP - MARK != 1)
3917 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3921 (void ) do_aspawn(Nullsv, MARK, SP);
3925 value = (I32)do_aexec(Nullsv, MARK, SP);
3930 char *junk = SvPV(*SP, n_a);
3932 TAINT_PROPER("exec");
3935 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3938 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3941 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3946 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3958 djSP; dMARK; dTARGET;
3961 value = (I32)apply(PL_op->op_type, MARK, SP);
3966 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3974 XPUSHi( getppid() );
3977 DIE(aTHX_ PL_no_func, "getppid");
3993 pgrp = (I32)BSD_GETPGRP(pid);
3995 if (pid != 0 && pid != PerlProc_getpid())
3996 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4002 DIE(aTHX_ PL_no_func, "getpgrp()");
4021 TAINT_PROPER("setpgrp");
4023 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4025 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4026 || (pid != 0 && pid != PerlProc_getpid()))
4028 DIE(aTHX_ "setpgrp can't take arguments");
4030 SETi( setpgrp() >= 0 );
4031 #endif /* USE_BSDPGRP */
4034 DIE(aTHX_ PL_no_func, "setpgrp()");
4043 #ifdef HAS_GETPRIORITY
4046 SETi( getpriority(which, who) );
4049 DIE(aTHX_ PL_no_func, "getpriority()");
4059 #ifdef HAS_SETPRIORITY
4063 TAINT_PROPER("setpriority");
4064 SETi( setpriority(which, who, niceval) >= 0 );
4067 DIE(aTHX_ PL_no_func, "setpriority()");
4077 XPUSHn( time(Null(Time_t*)) );
4079 XPUSHi( time(Null(Time_t*)) );
4084 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4085 to HZ. Probably. For now, assume that if the system
4086 defines HZ, it does so correctly. (Will this break
4088 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4089 it's supported. --AD 9/96.
4105 DIE(aTHX_ "times not implemented");
4110 (void)PerlProc_times(&PL_timesbuf);
4112 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4113 /* struct tms, though same data */
4117 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4118 if (GIMME == G_ARRAY) {
4119 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4120 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4121 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4124 #endif /* HAS_TIMES */
4137 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4138 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4139 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4145 when = (Time_t)SvNVx(POPs);
4147 when = (Time_t)SvIVx(POPs);
4150 if (PL_op->op_type == OP_LOCALTIME)
4151 tmbuf = localtime(&when);
4153 tmbuf = gmtime(&when);
4157 if (GIMME != G_ARRAY) {
4161 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4162 dayname[tmbuf->tm_wday],
4163 monname[tmbuf->tm_mon],
4168 tmbuf->tm_year + 1900);
4169 PUSHs(sv_2mortal(tsv));
4172 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4173 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4174 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4175 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4176 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4177 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4178 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4179 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4180 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4191 anum = alarm((unsigned int)anum);
4198 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4209 (void)time(&lasttime);
4214 PerlProc_sleep((unsigned int)duration);
4217 XPUSHi(when - lasttime);
4221 /* Shared memory. */
4235 return pp_shmwrite();
4240 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4241 djSP; dMARK; dTARGET;
4242 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4251 /* Message passing. */
4265 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4266 djSP; dMARK; dTARGET;
4267 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4278 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4279 djSP; dMARK; dTARGET;
4280 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4293 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4294 djSP; dMARK; dTARGET;
4295 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4302 DIE(aTHX_ "System V IPC is not implemented on this machine");
4308 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4309 djSP; dMARK; dTARGET;
4310 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4318 PUSHp(zero_but_true, ZBTLEN);
4328 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4329 djSP; dMARK; dTARGET;
4330 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4339 /* Get system info. */
4343 #ifdef HAS_GETHOSTBYNAME
4344 return pp_ghostent();
4346 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4352 #ifdef HAS_GETHOSTBYADDR
4353 return pp_ghostent();
4355 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4362 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4363 I32 which = PL_op->op_type;
4364 register char **elem;
4366 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4367 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4368 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4369 struct hostent *PerlSock_gethostent(void);
4371 struct hostent *hent;
4376 if (which == OP_GHBYNAME)
4377 #ifdef HAS_GETHOSTBYNAME
4378 hent = PerlSock_gethostbyname(POPpx);
4380 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4382 else if (which == OP_GHBYADDR) {
4383 #ifdef HAS_GETHOSTBYADDR
4384 int addrtype = POPi;
4387 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4389 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4391 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4395 #ifdef HAS_GETHOSTENT
4396 hent = PerlSock_gethostent();
4398 DIE(aTHX_ PL_no_sock_func, "gethostent");
4401 #ifdef HOST_NOT_FOUND
4403 STATUS_NATIVE_SET(h_errno);
4406 if (GIMME != G_ARRAY) {
4407 PUSHs(sv = sv_newmortal());
4409 if (which == OP_GHBYNAME) {
4411 sv_setpvn(sv, hent->h_addr, hent->h_length);
4414 sv_setpv(sv, (char*)hent->h_name);
4420 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4421 sv_setpv(sv, (char*)hent->h_name);
4422 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4423 for (elem = hent->h_aliases; elem && *elem; elem++) {
4424 sv_catpv(sv, *elem);
4426 sv_catpvn(sv, " ", 1);
4428 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4429 sv_setiv(sv, (IV)hent->h_addrtype);
4430 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4431 len = hent->h_length;
4432 sv_setiv(sv, (IV)len);
4434 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4435 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4436 sv_setpvn(sv, *elem, len);
4439 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4441 sv_setpvn(sv, hent->h_addr, len);
4446 DIE(aTHX_ PL_no_sock_func, "gethostent");
4452 #ifdef HAS_GETNETBYNAME
4453 return pp_gnetent();
4455 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4461 #ifdef HAS_GETNETBYADDR
4462 return pp_gnetent();
4464 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4471 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4472 I32 which = PL_op->op_type;
4473 register char **elem;
4475 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4476 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4477 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4478 struct netent *PerlSock_getnetent(void);
4480 struct netent *nent;
4483 if (which == OP_GNBYNAME)
4484 #ifdef HAS_GETNETBYNAME
4485 nent = PerlSock_getnetbyname(POPpx);
4487 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4489 else if (which == OP_GNBYADDR) {
4490 #ifdef HAS_GETNETBYADDR
4491 int addrtype = POPi;
4492 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4493 nent = PerlSock_getnetbyaddr(addr, addrtype);
4495 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4499 #ifdef HAS_GETNETENT
4500 nent = PerlSock_getnetent();
4502 DIE(aTHX_ PL_no_sock_func, "getnetent");
4506 if (GIMME != G_ARRAY) {
4507 PUSHs(sv = sv_newmortal());
4509 if (which == OP_GNBYNAME)
4510 sv_setiv(sv, (IV)nent->n_net);
4512 sv_setpv(sv, nent->n_name);
4518 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4519 sv_setpv(sv, nent->n_name);
4520 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4521 for (elem = nent->n_aliases; elem && *elem; elem++) {
4522 sv_catpv(sv, *elem);
4524 sv_catpvn(sv, " ", 1);
4526 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4527 sv_setiv(sv, (IV)nent->n_addrtype);
4528 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4529 sv_setiv(sv, (IV)nent->n_net);
4534 DIE(aTHX_ PL_no_sock_func, "getnetent");
4540 #ifdef HAS_GETPROTOBYNAME
4541 return pp_gprotoent();
4543 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4549 #ifdef HAS_GETPROTOBYNUMBER
4550 return pp_gprotoent();
4552 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4559 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4560 I32 which = PL_op->op_type;
4561 register char **elem;
4563 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4564 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4565 struct protoent *PerlSock_getprotobynumber(int);
4566 struct protoent *PerlSock_getprotoent(void);
4568 struct protoent *pent;
4571 if (which == OP_GPBYNAME)
4572 #ifdef HAS_GETPROTOBYNAME
4573 pent = PerlSock_getprotobyname(POPpx);
4575 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4577 else if (which == OP_GPBYNUMBER)
4578 #ifdef HAS_GETPROTOBYNUMBER
4579 pent = PerlSock_getprotobynumber(POPi);
4581 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4584 #ifdef HAS_GETPROTOENT
4585 pent = PerlSock_getprotoent();
4587 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4591 if (GIMME != G_ARRAY) {
4592 PUSHs(sv = sv_newmortal());
4594 if (which == OP_GPBYNAME)
4595 sv_setiv(sv, (IV)pent->p_proto);
4597 sv_setpv(sv, pent->p_name);
4603 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4604 sv_setpv(sv, pent->p_name);
4605 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4606 for (elem = pent->p_aliases; elem && *elem; elem++) {
4607 sv_catpv(sv, *elem);
4609 sv_catpvn(sv, " ", 1);
4611 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4612 sv_setiv(sv, (IV)pent->p_proto);
4617 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4623 #ifdef HAS_GETSERVBYNAME
4624 return pp_gservent();
4626 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4632 #ifdef HAS_GETSERVBYPORT
4633 return pp_gservent();
4635 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4642 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4643 I32 which = PL_op->op_type;
4644 register char **elem;
4646 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4647 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4648 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4649 struct servent *PerlSock_getservent(void);
4651 struct servent *sent;
4654 if (which == OP_GSBYNAME) {
4655 #ifdef HAS_GETSERVBYNAME
4656 char *proto = POPpx;
4659 if (proto && !*proto)
4662 sent = PerlSock_getservbyname(name, proto);
4664 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4667 else if (which == OP_GSBYPORT) {
4668 #ifdef HAS_GETSERVBYPORT
4669 char *proto = POPpx;
4670 unsigned short port = POPu;
4673 port = PerlSock_htons(port);
4675 sent = PerlSock_getservbyport(port, proto);
4677 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4681 #ifdef HAS_GETSERVENT
4682 sent = PerlSock_getservent();
4684 DIE(aTHX_ PL_no_sock_func, "getservent");
4688 if (GIMME != G_ARRAY) {
4689 PUSHs(sv = sv_newmortal());
4691 if (which == OP_GSBYNAME) {
4693 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4695 sv_setiv(sv, (IV)(sent->s_port));
4699 sv_setpv(sv, sent->s_name);
4705 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4706 sv_setpv(sv, sent->s_name);
4707 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4708 for (elem = sent->s_aliases; elem && *elem; elem++) {
4709 sv_catpv(sv, *elem);
4711 sv_catpvn(sv, " ", 1);
4713 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4715 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4717 sv_setiv(sv, (IV)(sent->s_port));
4719 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4720 sv_setpv(sv, sent->s_proto);
4725 DIE(aTHX_ PL_no_sock_func, "getservent");
4732 #ifdef HAS_SETHOSTENT
4733 PerlSock_sethostent(TOPi);
4736 DIE(aTHX_ PL_no_sock_func, "sethostent");
4743 #ifdef HAS_SETNETENT
4744 PerlSock_setnetent(TOPi);
4747 DIE(aTHX_ PL_no_sock_func, "setnetent");
4754 #ifdef HAS_SETPROTOENT
4755 PerlSock_setprotoent(TOPi);
4758 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4765 #ifdef HAS_SETSERVENT
4766 PerlSock_setservent(TOPi);
4769 DIE(aTHX_ PL_no_sock_func, "setservent");
4776 #ifdef HAS_ENDHOSTENT
4777 PerlSock_endhostent();
4781 DIE(aTHX_ PL_no_sock_func, "endhostent");
4788 #ifdef HAS_ENDNETENT
4789 PerlSock_endnetent();
4793 DIE(aTHX_ PL_no_sock_func, "endnetent");
4800 #ifdef HAS_ENDPROTOENT
4801 PerlSock_endprotoent();
4805 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4812 #ifdef HAS_ENDSERVENT
4813 PerlSock_endservent();
4817 DIE(aTHX_ PL_no_sock_func, "endservent");
4826 DIE(aTHX_ PL_no_func, "getpwnam");
4835 DIE(aTHX_ PL_no_func, "getpwuid");
4843 I32 which = PL_op->op_type;
4846 struct passwd *pwent = NULL;
4848 * We currently support only the SysV getsp* shadow password interface.
4849 * The interface is declared in <shadow.h> and often one needs to link
4850 * with -lsecurity or some such.
4851 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
4854 * AIX getpwnam() is clever enough to return the encrypted password
4855 * only if the caller (euid?) is root.
4857 * There are at least two other shadow password APIs. Many platforms
4858 * seem to contain more than one interface for accessing the shadow
4859 * password databases, possibly for compatibility reasons.
4860 * The getsp*() is by far he simplest one, the other two interfaces
4861 * are much more complicated, but also very similar to each other.
4866 * struct pr_passwd *getprpw*();
4867 * The password is in
4868 * char getprpw*(...).ufld.fd_encrypt[]
4869 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
4874 * struct es_passwd *getespw*();
4875 * The password is in
4876 * char *(getespw*(...).ufld.fd_encrypt)
4877 * Mention HAS_GETESPWNAM here so that Configure probes for it.
4879 * Mention I_PROT here so that Configure probes for it.
4881 * In HP-UX for getprpw*() the manual page claims that one should include
4882 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
4883 * if one includes <shadow.h> as that includes <hpsecurity.h>,
4884 * and pp_sys.c already includes <shadow.h> if there is such.
4886 * Note that <sys/security.h> is already probed for, but currently
4887 * it is only included in special cases.
4889 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
4890 * be preferred interface, even though also the getprpw*() interface
4891 * is available) one needs to link with -lsecurity -ldb -laud -lm.
4892 * One also needs to call set_auth_parameters() in main() before
4893 * doing anything else, whether one is using getespw*() or getprpw*().
4895 * Note that accessing the shadow databases can be magnitudes
4896 * slower than accessing the standard databases.
4903 pwent = getpwnam(POPpx);
4906 pwent = getpwuid((Uid_t)POPi);
4909 # ifdef HAS_GETPWENT
4912 DIE(aTHX_ PL_no_func, "getpwent");
4918 if (GIMME != G_ARRAY) {
4919 PUSHs(sv = sv_newmortal());
4921 if (which == OP_GPWNAM)
4922 # if Uid_t_sign <= 0
4923 sv_setiv(sv, (IV)pwent->pw_uid);
4925 sv_setuv(sv, (UV)pwent->pw_uid);
4928 sv_setpv(sv, pwent->pw_name);
4934 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4935 sv_setpv(sv, pwent->pw_name);
4937 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4939 /* If we have getspnam(), we try to dig up the shadow
4940 * password. If we are underprivileged, the shadow
4941 * interface will set the errno to EACCES or similar,
4942 * and return a null pointer. If this happens, we will
4943 * use the dummy password (usually "*" or "x") from the
4944 * standard password database.
4946 * In theory we could skip the shadow call completely
4947 * if euid != 0 but in practice we cannot know which
4948 * security measures are guarding the shadow databases
4949 * on a random platform.
4951 * Resist the urge to use additional shadow interfaces.
4952 * Divert the urge to writing an extension instead.
4955 # ifdef HAS_GETSPNAM
4957 struct spwd *spwent;
4958 int saverrno; /* Save and restore errno so that
4959 * underprivileged attempts seem
4960 * to have never made the unsccessful
4961 * attempt to retrieve the shadow password. */
4964 spwent = getspnam(pwent->pw_name);
4966 if (spwent && spwent->sp_pwdp)
4967 sv_setpv(sv, spwent->sp_pwdp);
4970 if (!SvPOK(sv)) /* Use the standard password, then. */
4971 sv_setpv(sv, pwent->pw_passwd);
4973 # ifndef INCOMPLETE_TAINTS
4974 /* passwd is tainted because user himself can diddle with it.
4975 * admittedly not much and in a very limited way, but nevertheless. */
4979 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4980 # if Uid_t_sign <= 0
4981 sv_setiv(sv, (IV)pwent->pw_uid);
4983 sv_setuv(sv, (UV)pwent->pw_uid);
4986 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4987 # if Uid_t_sign <= 0
4988 sv_setiv(sv, (IV)pwent->pw_gid);
4990 sv_setuv(sv, (UV)pwent->pw_gid);
4992 /* pw_change, pw_quota, and pw_age are mutually exclusive--
4993 * because of the poor interface of the Perl getpw*(),
4994 * not because there's some standard/convention saying so.
4995 * A better interface would have been to return a hash,
4996 * but we are accursed by our history, alas. --jhi. */
4997 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4999 sv_setiv(sv, (IV)pwent->pw_change);
5002 sv_setiv(sv, (IV)pwent->pw_quota);
5005 sv_setpv(sv, pwent->pw_age);
5010 /* pw_class and pw_comment are mutually exclusive--.
5011 * see the above note for pw_change, pw_quota, and pw_age. */
5012 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5014 sv_setpv(sv, pwent->pw_class);
5017 sv_setpv(sv, pwent->pw_comment);
5021 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5023 sv_setpv(sv, pwent->pw_gecos);
5025 # ifndef INCOMPLETE_TAINTS
5026 /* pw_gecos is tainted because user himself can diddle with it. */
5030 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5031 sv_setpv(sv, pwent->pw_dir);
5033 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5034 sv_setpv(sv, pwent->pw_shell);
5035 # ifndef INCOMPLETE_TAINTS
5036 /* pw_shell is tainted because user himself can diddle with it. */
5041 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5042 sv_setiv(sv, (IV)pwent->pw_expire);
5047 DIE(aTHX_ PL_no_func, "getpwent");
5054 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5058 DIE(aTHX_ PL_no_func, "setpwent");
5065 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5069 DIE(aTHX_ PL_no_func, "endpwent");
5078 DIE(aTHX_ PL_no_func, "getgrnam");
5087 DIE(aTHX_ PL_no_func, "getgrgid");
5095 I32 which = PL_op->op_type;
5096 register char **elem;
5098 struct group *grent;
5101 if (which == OP_GGRNAM)
5102 grent = (struct group *)getgrnam(POPpx);
5103 else if (which == OP_GGRGID)
5104 grent = (struct group *)getgrgid(POPi);
5107 grent = (struct group *)getgrent();
5109 DIE(aTHX_ PL_no_func, "getgrent");
5113 if (GIMME != G_ARRAY) {
5114 PUSHs(sv = sv_newmortal());
5116 if (which == OP_GGRNAM)
5117 sv_setiv(sv, (IV)grent->gr_gid);
5119 sv_setpv(sv, grent->gr_name);
5125 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5126 sv_setpv(sv, grent->gr_name);
5128 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5130 sv_setpv(sv, grent->gr_passwd);
5133 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5134 sv_setiv(sv, (IV)grent->gr_gid);
5136 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5137 for (elem = grent->gr_mem; elem && *elem; elem++) {
5138 sv_catpv(sv, *elem);
5140 sv_catpvn(sv, " ", 1);
5146 DIE(aTHX_ PL_no_func, "getgrent");
5153 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5157 DIE(aTHX_ PL_no_func, "setgrent");
5164 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5168 DIE(aTHX_ PL_no_func, "endgrent");
5178 if (!(tmps = PerlProc_getlogin()))
5180 PUSHp(tmps, strlen(tmps));
5183 DIE(aTHX_ PL_no_func, "getlogin");
5187 /* Miscellaneous. */
5192 djSP; dMARK; dORIGMARK; dTARGET;
5193 register I32 items = SP - MARK;
5194 unsigned long a[20];
5200 while (++MARK <= SP) {
5201 if (SvTAINTED(*MARK)) {
5207 TAINT_PROPER("syscall");
5210 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5211 * or where sizeof(long) != sizeof(char*). But such machines will
5212 * not likely have syscall implemented either, so who cares?
5214 while (++MARK <= SP) {
5215 if (SvNIOK(*MARK) || !i)
5216 a[i++] = SvIV(*MARK);
5217 else if (*MARK == &PL_sv_undef)
5220 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5226 DIE(aTHX_ "Too many args to syscall");
5228 DIE(aTHX_ "Too few args to syscall");
5230 retval = syscall(a[0]);
5233 retval = syscall(a[0],a[1]);
5236 retval = syscall(a[0],a[1],a[2]);
5239 retval = syscall(a[0],a[1],a[2],a[3]);
5242 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5245 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5248 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5251 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5255 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5258 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5261 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5265 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5269 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5273 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5274 a[10],a[11],a[12],a[13]);
5276 #endif /* atarist */
5282 DIE(aTHX_ PL_no_func, "syscall");
5286 #ifdef FCNTL_EMULATE_FLOCK
5288 /* XXX Emulate flock() with fcntl().
5289 What's really needed is a good file locking module.
5293 fcntl_emulate_flock(int fd, int operation)
5297 switch (operation & ~LOCK_NB) {
5299 flock.l_type = F_RDLCK;
5302 flock.l_type = F_WRLCK;
5305 flock.l_type = F_UNLCK;
5311 flock.l_whence = SEEK_SET;
5312 flock.l_start = flock.l_len = (Off_t)0;
5314 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5317 #endif /* FCNTL_EMULATE_FLOCK */
5319 #ifdef LOCKF_EMULATE_FLOCK
5321 /* XXX Emulate flock() with lockf(). This is just to increase
5322 portability of scripts. The calls are not completely
5323 interchangeable. What's really needed is a good file
5327 /* The lockf() constants might have been defined in <unistd.h>.
5328 Unfortunately, <unistd.h> causes troubles on some mixed
5329 (BSD/POSIX) systems, such as SunOS 4.1.3.
5331 Further, the lockf() constants aren't POSIX, so they might not be
5332 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5333 just stick in the SVID values and be done with it. Sigh.
5337 # define F_ULOCK 0 /* Unlock a previously locked region */
5340 # define F_LOCK 1 /* Lock a region for exclusive use */
5343 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5346 # define F_TEST 3 /* Test a region for other processes locks */
5350 lockf_emulate_flock(int fd, int operation)
5356 /* flock locks entire file so for lockf we need to do the same */
5358 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5359 if (pos > 0) /* is seekable and needs to be repositioned */
5360 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5361 pos = -1; /* seek failed, so don't seek back afterwards */
5364 switch (operation) {
5366 /* LOCK_SH - get a shared lock */
5368 /* LOCK_EX - get an exclusive lock */
5370 i = lockf (fd, F_LOCK, 0);
5373 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5374 case LOCK_SH|LOCK_NB:
5375 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5376 case LOCK_EX|LOCK_NB:
5377 i = lockf (fd, F_TLOCK, 0);
5379 if ((errno == EAGAIN) || (errno == EACCES))
5380 errno = EWOULDBLOCK;
5383 /* LOCK_UN - unlock (non-blocking is a no-op) */
5385 case LOCK_UN|LOCK_NB:
5386 i = lockf (fd, F_ULOCK, 0);
5389 /* Default - can't decipher operation */
5396 if (pos > 0) /* need to restore position of the handle */
5397 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5402 #endif /* LOCKF_EMULATE_FLOCK */