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 ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
817 isGV(gv) && (cv = GvCV(gv))) {
819 XPUSHs(SvTIED_obj((SV*)gv, mg));
820 XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
823 call_sv((SV *)cv, G_VOID);
827 else if (ckWARN(WARN_UNTIE)) {
828 if (mg && SvREFCNT(obj) > 1)
829 Perl_warner(aTHX_ WARN_UNTIE,
830 "untie attempted while %"UVuf" inner references still exist",
831 (UV)SvREFCNT(obj) - 1 ) ;
842 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
845 if ((mg = SvTIED_mg(sv, how))) {
846 SV *osv = SvTIED_obj(sv, mg);
847 if (osv == mg->mg_obj)
848 osv = sv_mortalcopy(osv);
866 sv = sv_mortalcopy(&PL_sv_no);
867 sv_setpv(sv, "AnyDBM_File");
868 stash = gv_stashsv(sv, FALSE);
869 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
871 require_pv("AnyDBM_File.pm");
873 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
874 DIE(aTHX_ "No dbm on this machine");
884 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
886 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
889 call_sv((SV*)GvCV(gv), G_SCALAR);
892 if (!sv_isobject(TOPs)) {
897 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
900 call_sv((SV*)GvCV(gv), G_SCALAR);
904 if (sv_isobject(TOPs)) {
905 sv_unmagic((SV *) hv, 'P');
906 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
928 struct timeval timebuf;
929 struct timeval *tbuf = &timebuf;
933 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
938 # if BYTEORDER & 0xf0000
939 # define ORDERBYTE (0x88888888 - BYTEORDER)
941 # define ORDERBYTE (0x4444 - BYTEORDER)
947 for (i = 1; i <= 3; i++) {
955 /* little endians can use vecs directly */
956 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
957 # if SELECT_MIN_BITS > 1
958 /* If SELECT_MIN_BITS is greater than one we most probably will want
959 * to align the sizes with SELECT_MIN_BITS/8 because for example
960 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
961 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
962 * on (sets/tests/clears bits) is 32 bits. */
963 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
965 growsize = sizeof(fd_set);
974 masksize = NFDBITS / NBBY;
976 masksize = sizeof(long); /* documented int, everyone seems to use long */
978 growsize = maxlen + (masksize - (maxlen % masksize));
979 Zero(&fd_sets[0], 4, char*);
987 timebuf.tv_sec = (long)value;
988 value -= (NV)timebuf.tv_sec;
989 timebuf.tv_usec = (long)(value * 1000000.0);
992 tbuf = Null(struct timeval*);
994 for (i = 1; i <= 3; i++) {
1000 else if (!SvPOK(sv))
1001 SvPV_force(sv,n_a); /* force string conversion */
1004 Sv_Grow(sv, growsize);
1008 while (++j <= growsize) {
1012 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1014 New(403, fd_sets[i], growsize, char);
1015 for (offset = 0; offset < growsize; offset += masksize) {
1016 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1017 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1020 fd_sets[i] = SvPVX(sv);
1024 nfound = PerlSock_select(
1026 (Select_fd_set_t) fd_sets[1],
1027 (Select_fd_set_t) fd_sets[2],
1028 (Select_fd_set_t) fd_sets[3],
1030 for (i = 1; i <= 3; i++) {
1033 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1035 for (offset = 0; offset < growsize; offset += masksize) {
1036 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1037 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1039 Safefree(fd_sets[i]);
1046 if (GIMME == G_ARRAY && tbuf) {
1047 value = (NV)(timebuf.tv_sec) +
1048 (NV)(timebuf.tv_usec) / 1000000.0;
1049 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1050 sv_setnv(sv, value);
1054 DIE(aTHX_ "select not implemented");
1059 Perl_setdefout(pTHX_ GV *gv)
1063 (void)SvREFCNT_inc(gv);
1065 SvREFCNT_dec(PL_defoutgv);
1072 GV *newdefout, *egv;
1075 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1077 egv = GvEGV(PL_defoutgv);
1082 XPUSHs(&PL_sv_undef);
1084 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1085 if (gvp && *gvp == egv) {
1086 gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
1090 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1095 if (!GvIO(newdefout))
1096 gv_IOadd(newdefout);
1097 setdefout(newdefout);
1114 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1115 I32 gimme = GIMME_V;
1117 XPUSHs(SvTIED_obj((SV*)gv, mg));
1120 call_method("GETC", gimme);
1123 if (gimme == G_SCALAR)
1124 SvSetMagicSV_nosteal(TARG, TOPs);
1127 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1130 sv_setpv(TARG, " ");
1131 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1138 return pp_sysread();
1142 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1145 register PERL_CONTEXT *cx;
1146 I32 gimme = GIMME_V;
1147 AV* padlist = CvPADLIST(cv);
1148 SV** svp = AvARRAY(padlist);
1154 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1156 SAVEVPTR(PL_curpad);
1157 PL_curpad = AvARRAY((AV*)svp[1]);
1159 setdefout(gv); /* locally select filehandle so $% et al work */
1192 SV *tmpsv = sv_newmortal();
1193 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1194 name = SvPV_nolen(tmpsv);
1197 DIE(aTHX_ "Undefined format \"%s\" called", name);
1198 DIE(aTHX_ "Not a format reference");
1201 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1203 IoFLAGS(io) &= ~IOf_DIDTOP;
1204 return doform(cv,gv,PL_op->op_next);
1210 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1211 register IO *io = GvIOp(gv);
1212 PerlIO *ofp = IoOFP(io);
1216 register PERL_CONTEXT *cx;
1218 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1219 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1220 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1221 PL_formtarget != PL_toptarget)
1225 if (!IoTOP_GV(io)) {
1229 if (!IoTOP_NAME(io)) {
1230 if (!IoFMT_NAME(io))
1231 IoFMT_NAME(io) = savepv(GvNAME(gv));
1232 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1233 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1234 if ((topgv && GvFORM(topgv)) ||
1235 !gv_fetchpv("top",FALSE,SVt_PVFM))
1236 IoTOP_NAME(io) = savepv(SvPVX(topname));
1238 IoTOP_NAME(io) = savepv("top");
1240 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1241 if (!topgv || !GvFORM(topgv)) {
1242 IoLINES_LEFT(io) = 100000000;
1245 IoTOP_GV(io) = topgv;
1247 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1248 I32 lines = IoLINES_LEFT(io);
1249 char *s = SvPVX(PL_formtarget);
1250 if (lines <= 0) /* Yow, header didn't even fit!!! */
1252 while (lines-- > 0) {
1253 s = strchr(s, '\n');
1259 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1260 sv_chop(PL_formtarget, s);
1261 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1264 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1265 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1266 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1268 PL_formtarget = PL_toptarget;
1269 IoFLAGS(io) |= IOf_DIDTOP;
1272 DIE(aTHX_ "bad top format reference");
1277 SV *sv = sv_newmortal();
1278 gv_efullname4(sv, fgv, Nullch, FALSE);
1279 name = SvPV_nolen(sv);
1282 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1285 DIE(aTHX_ "Undefined top format called");
1289 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1290 return doform(cv,gv,PL_op);
1294 POPBLOCK(cx,PL_curpm);
1300 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1302 /* integrate with report_evil_fh()? */
1305 SV* sv = sv_newmortal();
1306 gv_efullname4(sv, gv, Nullch, FALSE);
1307 name = SvPV_nolen(sv);
1310 Perl_warner(aTHX_ WARN_IO,
1311 "Filehandle %s opened only for input", name);
1313 Perl_warner(aTHX_ WARN_IO,
1314 "Filehandle opened only for input");
1316 else if (ckWARN(WARN_CLOSED))
1317 report_evil_fh(gv, io, PL_op->op_type);
1322 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1323 if (ckWARN(WARN_IO))
1324 Perl_warner(aTHX_ WARN_IO, "page overflow");
1326 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1330 FmLINES(PL_formtarget) = 0;
1331 SvCUR_set(PL_formtarget, 0);
1332 *SvEND(PL_formtarget) = '\0';
1333 if (IoFLAGS(io) & IOf_FLUSH)
1334 (void)PerlIO_flush(fp);
1338 PL_formtarget = PL_bodytarget;
1340 return pop_return();
1345 djSP; dMARK; dORIGMARK;
1353 if (PL_op->op_flags & OPf_STACKED)
1358 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1359 if (MARK == ORIGMARK) {
1362 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1366 *MARK = SvTIED_obj((SV*)gv, mg);
1369 call_method("PRINTF", G_SCALAR);
1372 MARK = ORIGMARK + 1;
1379 if (!(io = GvIO(gv))) {
1381 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1382 report_evil_fh(gv, io, PL_op->op_type);
1383 SETERRNO(EBADF,RMS$_IFI);
1386 else if (!(fp = IoOFP(io))) {
1387 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1388 /* integrate with report_evil_fh()? */
1392 gv_efullname4(sv, gv, Nullch, FALSE);
1393 name = SvPV_nolen(sv);
1396 Perl_warner(aTHX_ WARN_IO,
1397 "Filehandle %s opened only for input", name);
1399 Perl_warner(aTHX_ WARN_IO,
1400 "Filehandle opened only for input");
1402 else if (ckWARN(WARN_CLOSED))
1403 report_evil_fh(gv, io, PL_op->op_type);
1405 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1409 do_sprintf(sv, SP - MARK, MARK + 1);
1410 if (!do_print(sv, fp))
1413 if (IoFLAGS(io) & IOf_FLUSH)
1414 if (PerlIO_flush(fp) == EOF)
1425 PUSHs(&PL_sv_undef);
1446 /* Need TIEHANDLE method ? */
1448 tmps = SvPV(sv, len);
1449 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1450 IoLINES(GvIOp(gv)) = 0;
1454 PUSHs(&PL_sv_undef);
1461 djSP; dMARK; dORIGMARK; dTARGET;
1467 Sock_size_t bufsize;
1473 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1474 (mg = SvTIED_mg((SV*)gv, 'q')))
1479 *MARK = SvTIED_obj((SV*)gv, mg);
1481 call_method("READ", G_SCALAR);
1494 sv_setpvn(bufsv, "", 0);
1495 buffer = SvPV_force(bufsv, blen);
1496 length = SvIVx(*++MARK);
1498 DIE(aTHX_ "Negative length");
1501 offset = SvIVx(*++MARK);
1505 if (!io || !IoIFP(io))
1508 if (PL_op->op_type == OP_RECV) {
1509 char namebuf[MAXPATHLEN];
1510 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1511 bufsize = sizeof (struct sockaddr_in);
1513 bufsize = sizeof namebuf;
1515 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1519 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1523 buffer = SvGROW(bufsv, length+1);
1524 /* 'offset' means 'flags' here */
1525 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1526 (struct sockaddr *)namebuf, &bufsize);
1529 SvCUR_set(bufsv, length);
1530 *SvEND(bufsv) = '\0';
1531 (void)SvPOK_only(bufsv);
1533 /* This should not be marked tainted if the fp is marked clean */
1534 if (!(IoFLAGS(io) & IOf_UNTAINT))
1535 SvTAINTED_on(bufsv);
1537 sv_setpvn(TARG, namebuf, bufsize);
1542 if (PL_op->op_type == OP_RECV)
1543 DIE(aTHX_ PL_no_sock_func, "recv");
1547 DIE(aTHX_ "Offset outside string");
1550 bufsize = SvCUR(bufsv);
1551 buffer = SvGROW(bufsv, length+offset+1);
1552 if (offset > bufsize) { /* Zero any newly allocated space */
1553 Zero(buffer+bufsize, offset-bufsize, char);
1555 if (PL_op->op_type == OP_SYSREAD) {
1556 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1557 if (IoTYPE(io) == IoTYPE_SOCKET) {
1558 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1559 buffer+offset, length, 0);
1564 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1565 buffer+offset, length);
1569 #ifdef HAS_SOCKET__bad_code_maybe
1570 if (IoTYPE(io) == IoTYPE_SOCKET) {
1571 char namebuf[MAXPATHLEN];
1572 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1573 bufsize = sizeof (struct sockaddr_in);
1575 bufsize = sizeof namebuf;
1577 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1578 (struct sockaddr *)namebuf, &bufsize);
1583 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1584 /* fread() returns 0 on both error and EOF */
1585 if (length == 0 && PerlIO_error(IoIFP(io)))
1589 if ((IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout()
1590 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1592 /* integrate with report_evil_fh()? */
1595 SV* sv = sv_newmortal();
1596 gv_efullname4(sv, gv, Nullch, FALSE);
1597 name = SvPV_nolen(sv);
1600 Perl_warner(aTHX_ WARN_IO,
1601 "Filehandle %s opened only for output", name);
1603 Perl_warner(aTHX_ WARN_IO,
1604 "Filehandle opened only for output");
1608 SvCUR_set(bufsv, length+offset);
1609 *SvEND(bufsv) = '\0';
1610 (void)SvPOK_only(bufsv);
1612 /* This should not be marked tainted if the fp is marked clean */
1613 if (!(IoFLAGS(io) & IOf_UNTAINT))
1614 SvTAINTED_on(bufsv);
1627 int items = (SP - PL_stack_base) - TOPMARK;
1631 sv = sv_2mortal(newSViv(sv_len(*SP)));
1640 djSP; dMARK; dORIGMARK; dTARGET;
1652 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1656 *MARK = SvTIED_obj((SV*)gv, mg);
1658 call_method("WRITE", G_SCALAR);
1669 buffer = SvPV(bufsv, blen);
1670 #if Size_t_size > IVSIZE
1671 length = (Size_t)SvNVx(*++MARK);
1673 length = (Size_t)SvIVx(*++MARK);
1675 if ((SSize_t)length < 0)
1676 DIE(aTHX_ "Negative length");
1679 if (!io || !IoIFP(io)) {
1681 if (ckWARN(WARN_CLOSED))
1682 report_evil_fh(gv, io, PL_op->op_type);
1684 else if (PL_op->op_type == OP_SYSWRITE) {
1686 offset = SvIVx(*++MARK);
1689 DIE(aTHX_ "Offset outside string");
1691 } else if (offset >= blen && blen > 0)
1692 DIE(aTHX_ "Offset outside string");
1695 if (length > blen - offset)
1696 length = blen - offset;
1697 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1698 if (IoTYPE(io) == IoTYPE_SOCKET) {
1699 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1700 buffer+offset, length, 0);
1705 /* See the note at doio.c:do_print about filesize limits. --jhi */
1706 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1707 buffer+offset, length);
1711 else if (SP > MARK) {
1714 sockbuf = SvPVx(*++MARK, mlen);
1715 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1716 length, (struct sockaddr *)sockbuf, mlen);
1719 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1723 DIE(aTHX_ PL_no_sock_func, "send");
1728 #if Size_t_size > IVSIZE
1742 return pp_sysread();
1752 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1754 gv = PL_last_in_gv = PL_argvgv;
1756 if (io && !IoIFP(io)) {
1757 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1759 IoFLAGS(io) &= ~IOf_START;
1760 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1761 sv_setpvn(GvSV(gv), "-", 1);
1762 SvSETMAGIC(GvSV(gv));
1764 else if (!nextargv(gv))
1769 gv = PL_last_in_gv; /* eof */
1772 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1774 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1776 XPUSHs(SvTIED_obj((SV*)gv, mg));
1779 call_method("EOF", G_SCALAR);
1785 PUSHs(boolSV(!gv || do_eof(gv)));
1798 gv = PL_last_in_gv = (GV*)POPs;
1800 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1802 XPUSHs(SvTIED_obj((SV*)gv, mg));
1805 call_method("TELL", G_SCALAR);
1811 #if LSEEKSIZE > IVSIZE
1812 PUSHn( do_tell(gv) );
1814 PUSHi( do_tell(gv) );
1821 return pp_sysseek();
1829 #if LSEEKSIZE > IVSIZE
1830 Off_t offset = (Off_t)SvNVx(POPs);
1832 Off_t offset = (Off_t)SvIVx(POPs);
1836 gv = PL_last_in_gv = (GV*)POPs;
1838 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1840 XPUSHs(SvTIED_obj((SV*)gv, mg));
1841 #if LSEEKSIZE > IVSIZE
1842 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1844 XPUSHs(sv_2mortal(newSViv(offset)));
1846 XPUSHs(sv_2mortal(newSViv(whence)));
1849 call_method("SEEK", G_SCALAR);
1855 if (PL_op->op_type == OP_SEEK)
1856 PUSHs(boolSV(do_seek(gv, offset, whence)));
1858 Off_t sought = do_sysseek(gv, offset, whence);
1860 PUSHs(&PL_sv_undef);
1863 #if LSEEKSIZE > IVSIZE
1868 : newSVpvn(zero_but_true, ZBTLEN);
1869 PUSHs(sv_2mortal(sv));
1878 /* There seems to be no consensus on the length type of truncate()
1879 * and ftruncate(), both off_t and size_t have supporters. In
1880 * general one would think that when using large files, off_t is
1881 * at least as wide as size_t, so using an off_t should be okay. */
1882 /* XXX Configure probe for the length type of *truncate() needed XXX */
1888 #if Size_t_size > IVSIZE
1893 /* Checking for length < 0 is problematic as the type might or
1894 * might not be signed: if it is not, clever compilers will moan. */
1895 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1897 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1898 if (PL_op->op_flags & OPf_SPECIAL) {
1899 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1901 TAINT_PROPER("truncate");
1902 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1905 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
1907 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1909 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1919 if (SvTYPE(sv) == SVt_PVGV) {
1920 tmpgv = (GV*)sv; /* *main::FRED for example */
1923 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1924 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1928 name = SvPV(sv, n_a);
1929 TAINT_PROPER("truncate");
1931 if (truncate(name, len) < 0)
1936 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1939 if (my_chsize(tmpfd, len) < 0)
1941 PerlLIO_close(tmpfd);
1950 SETERRNO(EBADF,RMS$_IFI);
1953 DIE(aTHX_ "truncate not implemented");
1966 unsigned int func = U_I(POPn);
1967 int optype = PL_op->op_type;
1973 if (!io || !argsv || !IoIFP(io)) {
1974 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1978 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1981 s = SvPV_force(argsv, len);
1982 need = IOCPARM_LEN(func);
1984 s = Sv_Grow(argsv, need + 1);
1985 SvCUR_set(argsv, need);
1988 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1991 retval = SvIV(argsv);
1992 s = INT2PTR(char*,retval); /* ouch */
1995 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1997 if (optype == OP_IOCTL)
1999 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
2001 DIE(aTHX_ "ioctl is not implemented");
2005 #if defined(OS2) && defined(__EMX__)
2006 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
2008 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2011 DIE(aTHX_ "fcntl is not implemented");
2015 if (s[SvCUR(argsv)] != 17)
2016 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2017 PL_op_name[optype]);
2018 s[SvCUR(argsv)] = 0; /* put our null back */
2019 SvSETMAGIC(argsv); /* Assume it has changed */
2028 PUSHp(zero_but_true, ZBTLEN);
2048 if (gv && (io = GvIO(gv)))
2055 (void)PerlIO_flush(fp);
2056 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2059 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2060 report_evil_fh(gv, io, PL_op->op_type);
2062 SETERRNO(EBADF,RMS$_IFI);
2067 DIE(aTHX_ PL_no_func, "flock()");
2079 int protocol = POPi;
2087 SETERRNO(EBADF,LIB$_INVARG);
2093 do_close(gv, FALSE);
2095 TAINT_PROPER("socket");
2096 fd = PerlSock_socket(domain, type, protocol);
2099 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2100 IoOFP(io) = PerlIO_fdopen(fd, "w");
2101 IoTYPE(io) = IoTYPE_SOCKET;
2102 if (!IoIFP(io) || !IoOFP(io)) {
2103 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2104 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2105 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2108 #if defined(HAS_FCNTL) && defined(F_SETFD)
2109 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2114 DIE(aTHX_ PL_no_sock_func, "socket");
2121 #ifdef HAS_SOCKETPAIR
2126 int protocol = POPi;
2139 do_close(gv1, FALSE);
2141 do_close(gv2, FALSE);
2143 TAINT_PROPER("socketpair");
2144 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2146 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2147 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2148 IoTYPE(io1) = IoTYPE_SOCKET;
2149 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2150 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2151 IoTYPE(io2) = IoTYPE_SOCKET;
2152 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2153 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2154 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2155 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2156 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2157 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2158 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2161 #if defined(HAS_FCNTL) && defined(F_SETFD)
2162 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2163 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2168 DIE(aTHX_ PL_no_sock_func, "socketpair");
2176 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2177 extern GETPRIVMODE();
2178 extern GETUSERMODE();
2183 register IO *io = GvIOn(gv);
2187 int mpeprivmode = 0;
2190 if (!io || !IoIFP(io))
2193 addr = SvPV(addrsv, len);
2194 TAINT_PROPER("bind");
2195 #ifdef MPE /* Deal with MPE bind() peculiarities */
2196 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2197 /* The address *MUST* stupidly be zero. */
2198 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2199 /* PRIV mode is required to bind() to ports < 1024. */
2200 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2201 ((struct sockaddr_in *)addr)->sin_port > 0) {
2202 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2207 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2208 (struct sockaddr *)addr, len) >= 0)
2211 #ifdef MPE /* Switch back to USER mode */
2222 if (ckWARN(WARN_CLOSED))
2223 report_evil_fh(gv, io, PL_op->op_type);
2224 SETERRNO(EBADF,SS$_IVCHAN);
2227 DIE(aTHX_ PL_no_sock_func, "bind");
2238 register IO *io = GvIOn(gv);
2241 if (!io || !IoIFP(io))
2244 addr = SvPV(addrsv, len);
2245 TAINT_PROPER("connect");
2246 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2252 if (ckWARN(WARN_CLOSED))
2253 report_evil_fh(gv, io, PL_op->op_type);
2254 SETERRNO(EBADF,SS$_IVCHAN);
2257 DIE(aTHX_ PL_no_sock_func, "connect");
2267 register IO *io = GvIOn(gv);
2269 if (!io || !IoIFP(io))
2272 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2278 if (ckWARN(WARN_CLOSED))
2279 report_evil_fh(gv, io, PL_op->op_type);
2280 SETERRNO(EBADF,SS$_IVCHAN);
2283 DIE(aTHX_ PL_no_sock_func, "listen");
2295 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2296 Sock_size_t len = sizeof saddr;
2308 if (!gstio || !IoIFP(gstio))
2313 do_close(ngv, FALSE);
2315 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2318 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2319 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2320 IoTYPE(nstio) = IoTYPE_SOCKET;
2321 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2322 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2323 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2324 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2327 #if defined(HAS_FCNTL) && defined(F_SETFD)
2328 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2332 len = sizeof saddr; /* EPOC somehow truncates info */
2335 PUSHp((char *)&saddr, len);
2339 if (ckWARN(WARN_CLOSED))
2340 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2341 SETERRNO(EBADF,SS$_IVCHAN);
2347 DIE(aTHX_ PL_no_sock_func, "accept");
2357 register IO *io = GvIOn(gv);
2359 if (!io || !IoIFP(io))
2362 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2366 if (ckWARN(WARN_CLOSED))
2367 report_evil_fh(gv, io, PL_op->op_type);
2368 SETERRNO(EBADF,SS$_IVCHAN);
2371 DIE(aTHX_ PL_no_sock_func, "shutdown");
2378 return pp_ssockopt();
2380 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2388 int optype = PL_op->op_type;
2391 unsigned int optname;
2397 if (optype == OP_GSOCKOPT)
2398 sv = sv_2mortal(NEWSV(22, 257));
2401 optname = (unsigned int) POPi;
2402 lvl = (unsigned int) POPi;
2406 if (!io || !IoIFP(io))
2409 fd = PerlIO_fileno(IoIFP(io));
2413 (void)SvPOK_only(sv);
2417 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2432 aint = (int)SvIV(sv);
2436 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2445 if (ckWARN(WARN_CLOSED))
2446 report_evil_fh(gv, io, optype);
2447 SETERRNO(EBADF,SS$_IVCHAN);
2452 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2459 return pp_getpeername();
2461 DIE(aTHX_ PL_no_sock_func, "getsockname");
2469 int optype = PL_op->op_type;
2473 register IO *io = GvIOn(gv);
2476 if (!io || !IoIFP(io))
2479 sv = sv_2mortal(NEWSV(22, 257));
2480 (void)SvPOK_only(sv);
2484 fd = PerlIO_fileno(IoIFP(io));
2486 case OP_GETSOCKNAME:
2487 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2490 case OP_GETPEERNAME:
2491 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2493 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2495 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";
2496 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2497 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2498 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2499 sizeof(u_short) + sizeof(struct in_addr))) {
2506 #ifdef BOGUS_GETNAME_RETURN
2507 /* Interactive Unix, getpeername() and getsockname()
2508 does not return valid namelen */
2509 if (len == BOGUS_GETNAME_RETURN)
2510 len = sizeof(struct sockaddr);
2518 if (ckWARN(WARN_CLOSED))
2519 report_evil_fh(gv, io, optype);
2520 SETERRNO(EBADF,SS$_IVCHAN);
2525 DIE(aTHX_ PL_no_sock_func, "getpeername");
2544 if (PL_op->op_flags & OPf_REF) {
2546 if (PL_op->op_type == OP_LSTAT && ckWARN(WARN_IO))
2547 Perl_warner(aTHX_ WARN_IO,
2548 "lstat() on filehandle %s", GvENAME(gv));
2550 if (gv != PL_defgv) {
2551 PL_laststype = OP_STAT;
2553 sv_setpv(PL_statname, "");
2554 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2555 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2557 if (PL_laststatval < 0) {
2559 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2560 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2566 if (SvTYPE(sv) == SVt_PVGV) {
2570 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2574 sv_setpv(PL_statname, SvPV(sv,n_a));
2577 PL_laststype = PL_op->op_type;
2578 if (PL_op->op_type == OP_LSTAT)
2579 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2582 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2583 if (PL_laststatval < 0) {
2584 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2585 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2591 if (gimme != G_ARRAY) {
2592 if (gimme != G_VOID)
2593 XPUSHs(boolSV(max));
2599 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2600 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2601 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2602 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2603 #if Uid_t_size > IVSIZE
2604 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2606 # if Uid_t_sign <= 0
2607 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2609 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2612 #if Gid_t_size > IVSIZE
2613 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2615 # if Gid_t_sign <= 0
2616 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2618 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2621 #ifdef USE_STAT_RDEV
2622 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2624 PUSHs(sv_2mortal(newSVpvn("", 0)));
2626 #if Off_t_size > IVSIZE
2627 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2629 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2632 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2633 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2634 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2636 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2637 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2638 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2640 #ifdef USE_STAT_BLOCKS
2641 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2642 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2644 PUSHs(sv_2mortal(newSVpvn("", 0)));
2645 PUSHs(sv_2mortal(newSVpvn("", 0)));
2655 #if defined(HAS_ACCESS) && defined(R_OK)
2657 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2658 result = access(TOPpx, R_OK);
2673 if (cando(S_IRUSR, 0, &PL_statcache))
2682 #if defined(HAS_ACCESS) && defined(W_OK)
2684 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2685 result = access(TOPpx, W_OK);
2700 if (cando(S_IWUSR, 0, &PL_statcache))
2709 #if defined(HAS_ACCESS) && defined(X_OK)
2711 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2712 result = access(TOPpx, X_OK);
2727 if (cando(S_IXUSR, 0, &PL_statcache))
2736 #ifdef PERL_EFF_ACCESS_R_OK
2738 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2739 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2754 if (cando(S_IRUSR, 1, &PL_statcache))
2763 #ifdef PERL_EFF_ACCESS_W_OK
2765 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2766 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2781 if (cando(S_IWUSR, 1, &PL_statcache))
2790 #ifdef PERL_EFF_ACCESS_X_OK
2792 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2793 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2808 if (cando(S_IXUSR, 1, &PL_statcache))
2815 I32 result = my_stat();
2824 return pp_ftrowned();
2829 I32 result = my_stat();
2833 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2841 I32 result = my_stat();
2845 if (PL_statcache.st_size == 0)
2852 I32 result = my_stat();
2856 #if Off_t_size > IVSIZE
2857 PUSHn(PL_statcache.st_size);
2859 PUSHi(PL_statcache.st_size);
2866 I32 result = my_stat();
2870 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2876 I32 result = my_stat();
2880 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2886 I32 result = my_stat();
2890 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2896 I32 result = my_stat();
2900 if (S_ISSOCK(PL_statcache.st_mode))
2907 I32 result = my_stat();
2911 if (S_ISCHR(PL_statcache.st_mode))
2918 I32 result = my_stat();
2922 if (S_ISBLK(PL_statcache.st_mode))
2929 I32 result = my_stat();
2933 if (S_ISREG(PL_statcache.st_mode))
2940 I32 result = my_stat();
2944 if (S_ISDIR(PL_statcache.st_mode))
2951 I32 result = my_stat();
2955 if (S_ISFIFO(PL_statcache.st_mode))
2962 I32 result = my_lstat();
2966 if (S_ISLNK(PL_statcache.st_mode))
2975 I32 result = my_stat();
2979 if (PL_statcache.st_mode & S_ISUID)
2989 I32 result = my_stat();
2993 if (PL_statcache.st_mode & S_ISGID)
3003 I32 result = my_stat();
3007 if (PL_statcache.st_mode & S_ISVTX)
3018 char *tmps = Nullch;
3021 if (PL_op->op_flags & OPf_REF)
3023 else if (isGV(TOPs))
3025 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3026 gv = (GV*)SvRV(POPs);
3028 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3030 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3031 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3032 else if (tmps && isDIGIT(*tmps))
3036 if (PerlLIO_isatty(fd))
3041 #if defined(atarist) /* this will work with atariST. Configure will
3042 make guesses for other systems. */
3043 # define FILE_base(f) ((f)->_base)
3044 # define FILE_ptr(f) ((f)->_ptr)
3045 # define FILE_cnt(f) ((f)->_cnt)
3046 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3056 register STDCHAR *s;
3063 if (PL_op->op_flags & OPf_REF)
3065 else if (isGV(TOPs))
3067 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3068 gv = (GV*)SvRV(POPs);
3074 if (gv == PL_defgv) {
3076 io = GvIO(PL_statgv);
3079 goto really_filename;
3084 PL_laststatval = -1;
3085 sv_setpv(PL_statname, "");
3086 io = GvIO(PL_statgv);
3088 if (io && IoIFP(io)) {
3089 if (! PerlIO_has_base(IoIFP(io)))
3090 DIE(aTHX_ "-T and -B not implemented on filehandles");
3091 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3092 if (PL_laststatval < 0)
3094 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3095 if (PL_op->op_type == OP_FTTEXT)
3099 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3100 i = PerlIO_getc(IoIFP(io));
3102 (void)PerlIO_ungetc(IoIFP(io),i);
3104 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3106 len = PerlIO_get_bufsiz(IoIFP(io));
3107 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3108 /* sfio can have large buffers - limit to 512 */
3114 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3116 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3118 SETERRNO(EBADF,RMS$_IFI);
3126 PL_laststatval = -1;
3127 sv_setpv(PL_statname, SvPV(sv, n_a));
3128 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3129 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3130 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3133 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3134 if (PL_laststatval < 0) {
3135 (void)PerlIO_close(fp);
3138 do_binmode(fp, '<', O_BINARY);
3139 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3140 (void)PerlIO_close(fp);
3142 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3143 RETPUSHNO; /* special case NFS directories */
3144 RETPUSHYES; /* null file is anything */
3149 /* now scan s to look for textiness */
3150 /* XXX ASCII dependent code */
3152 #if defined(DOSISH) || defined(USEMYBINMODE)
3153 /* ignore trailing ^Z on short files */
3154 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3158 for (i = 0; i < len; i++, s++) {
3159 if (!*s) { /* null never allowed in text */
3164 else if (!(isPRINT(*s) || isSPACE(*s)))
3167 else if (*s & 128) {
3169 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3172 /* utf8 characters don't count as odd */
3174 int ulen = UTF8SKIP(s);
3175 if (ulen < len - i) {
3177 for (j = 1; j < ulen; j++) {
3178 if ((s[j] & 0xc0) != 0x80)
3181 --ulen; /* loop does extra increment */
3191 *s != '\n' && *s != '\r' && *s != '\b' &&
3192 *s != '\t' && *s != '\f' && *s != 27)
3197 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3221 if (!tmps || !*tmps) {
3222 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3224 tmps = SvPV(*svp, n_a);
3226 if (!tmps || !*tmps) {
3227 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3229 tmps = SvPV(*svp, n_a);
3232 if (!tmps || !*tmps) {
3233 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3235 tmps = SvPV(*svp, n_a);
3238 TAINT_PROPER("chdir");
3239 PUSHi( PerlDir_chdir(tmps) >= 0 );
3241 /* Clear the DEFAULT element of ENV so we'll get the new value
3243 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3250 djSP; dMARK; dTARGET;
3253 value = (I32)apply(PL_op->op_type, MARK, SP);
3258 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3269 TAINT_PROPER("chroot");
3270 PUSHi( chroot(tmps) >= 0 );
3273 DIE(aTHX_ PL_no_func, "chroot");
3279 djSP; dMARK; dTARGET;
3281 value = (I32)apply(PL_op->op_type, MARK, SP);
3289 djSP; dMARK; dTARGET;
3291 value = (I32)apply(PL_op->op_type, MARK, SP);
3299 djSP; dMARK; dTARGET;
3301 value = (I32)apply(PL_op->op_type, MARK, SP);
3313 char *tmps2 = POPpx;
3314 char *tmps = SvPV(TOPs, n_a);
3315 TAINT_PROPER("rename");
3317 anum = PerlLIO_rename(tmps, tmps2);
3319 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3320 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3323 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3324 (void)UNLINK(tmps2);
3325 if (!(anum = link(tmps, tmps2)))
3326 anum = UNLINK(tmps);
3339 char *tmps2 = POPpx;
3340 char *tmps = SvPV(TOPs, n_a);
3341 TAINT_PROPER("link");
3342 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3344 DIE(aTHX_ PL_no_func, "Unsupported function link");
3354 char *tmps2 = POPpx;
3355 char *tmps = SvPV(TOPs, n_a);
3356 TAINT_PROPER("symlink");
3357 SETi( symlink(tmps, tmps2) >= 0 );
3360 DIE(aTHX_ PL_no_func, "symlink");
3369 char buf[MAXPATHLEN];
3373 #ifndef INCOMPLETE_TAINTS
3377 len = readlink(tmps, buf, sizeof buf);
3385 RETSETUNDEF; /* just pretend it's a normal file */
3389 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3391 S_dooneliner(pTHX_ char *cmd, char *filename)
3393 char *save_filename = filename;
3399 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3400 strcpy(cmdline, cmd);
3401 strcat(cmdline, " ");
3402 for (s = cmdline + strlen(cmdline); *filename; ) {
3407 myfp = PerlProc_popen(cmdline, "r");
3411 SV *tmpsv = sv_newmortal();
3412 /* Need to save/restore 'PL_rs' ?? */
3413 s = sv_gets(tmpsv, myfp, 0);
3414 (void)PerlProc_pclose(myfp);
3418 #ifdef HAS_SYS_ERRLIST
3423 /* you don't see this */
3425 #ifdef HAS_SYS_ERRLIST
3433 if (instr(s, errmsg)) {
3440 #define EACCES EPERM
3442 if (instr(s, "cannot make"))
3443 SETERRNO(EEXIST,RMS$_FEX);
3444 else if (instr(s, "existing file"))
3445 SETERRNO(EEXIST,RMS$_FEX);
3446 else if (instr(s, "ile exists"))
3447 SETERRNO(EEXIST,RMS$_FEX);
3448 else if (instr(s, "non-exist"))
3449 SETERRNO(ENOENT,RMS$_FNF);
3450 else if (instr(s, "does not exist"))
3451 SETERRNO(ENOENT,RMS$_FNF);
3452 else if (instr(s, "not empty"))
3453 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3454 else if (instr(s, "cannot access"))
3455 SETERRNO(EACCES,RMS$_PRV);
3457 SETERRNO(EPERM,RMS$_PRV);
3460 else { /* some mkdirs return no failure indication */
3461 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3462 if (PL_op->op_type == OP_RMDIR)
3467 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3491 tmps = SvPV(TOPs, n_a);
3493 TAINT_PROPER("mkdir");
3495 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3497 SETi( dooneliner("mkdir", tmps) );
3498 oldumask = PerlLIO_umask(0);
3499 PerlLIO_umask(oldumask);
3500 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3512 TAINT_PROPER("rmdir");
3514 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3516 XPUSHi( dooneliner("rmdir", tmps) );
3521 /* Directory calls. */
3526 #if defined(Direntry_t) && defined(HAS_READDIR)
3528 char *dirname = POPpx;
3530 register IO *io = GvIOn(gv);
3536 PerlDir_close(IoDIRP(io));
3537 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3543 SETERRNO(EBADF,RMS$_DIR);
3546 DIE(aTHX_ PL_no_dir_func, "opendir");
3553 #if defined(Direntry_t) && defined(HAS_READDIR)
3555 Direntry_t *readdir (DIR *);
3557 register Direntry_t *dp;
3559 register IO *io = GvIOn(gv);
3562 if (!io || !IoDIRP(io))
3565 if (GIMME == G_ARRAY) {
3567 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3569 sv = newSVpvn(dp->d_name, dp->d_namlen);
3571 sv = newSVpv(dp->d_name, 0);
3573 #ifndef INCOMPLETE_TAINTS
3574 if (!(IoFLAGS(io) & IOf_UNTAINT))
3577 XPUSHs(sv_2mortal(sv));
3581 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3584 sv = newSVpvn(dp->d_name, dp->d_namlen);
3586 sv = newSVpv(dp->d_name, 0);
3588 #ifndef INCOMPLETE_TAINTS
3589 if (!(IoFLAGS(io) & IOf_UNTAINT))
3592 XPUSHs(sv_2mortal(sv));
3598 SETERRNO(EBADF,RMS$_ISI);
3599 if (GIMME == G_ARRAY)
3604 DIE(aTHX_ PL_no_dir_func, "readdir");
3611 #if defined(HAS_TELLDIR) || defined(telldir)
3612 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3613 /* XXX netbsd still seemed to.
3614 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3615 --JHI 1999-Feb-02 */
3616 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3617 long telldir (DIR *);
3620 register IO *io = GvIOn(gv);
3622 if (!io || !IoDIRP(io))
3625 PUSHi( PerlDir_tell(IoDIRP(io)) );
3629 SETERRNO(EBADF,RMS$_ISI);
3632 DIE(aTHX_ PL_no_dir_func, "telldir");
3639 #if defined(HAS_SEEKDIR) || defined(seekdir)
3642 register IO *io = GvIOn(gv);
3644 if (!io || !IoDIRP(io))
3647 (void)PerlDir_seek(IoDIRP(io), along);
3652 SETERRNO(EBADF,RMS$_ISI);
3655 DIE(aTHX_ PL_no_dir_func, "seekdir");
3662 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3664 register IO *io = GvIOn(gv);
3666 if (!io || !IoDIRP(io))
3669 (void)PerlDir_rewind(IoDIRP(io));
3673 SETERRNO(EBADF,RMS$_ISI);
3676 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3683 #if defined(Direntry_t) && defined(HAS_READDIR)
3685 register IO *io = GvIOn(gv);
3687 if (!io || !IoDIRP(io))
3690 #ifdef VOID_CLOSEDIR
3691 PerlDir_close(IoDIRP(io));
3693 if (PerlDir_close(IoDIRP(io)) < 0) {
3694 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3703 SETERRNO(EBADF,RMS$_IFI);
3706 DIE(aTHX_ PL_no_dir_func, "closedir");
3710 /* Process control. */
3720 PERL_FLUSHALL_FOR_CHILD;
3726 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3727 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3728 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3733 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3738 PERL_FLUSHALL_FOR_CHILD;
3739 childpid = PerlProc_fork();
3745 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3752 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3757 childpid = wait4pid(-1, &argflags, 0);
3758 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3759 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3760 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3762 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3767 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3773 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3781 childpid = wait4pid(childpid, &argflags, optype);
3782 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3783 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3784 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3786 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3791 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3797 djSP; dMARK; dORIGMARK; dTARGET;
3802 Sigsave_t ihand,qhand; /* place to save signals during system() */
3807 if (SP - MARK == 1) {
3809 char *junk = SvPV(TOPs, n_a);
3811 TAINT_PROPER("system");
3814 PERL_FLUSHALL_FOR_CHILD;
3815 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3816 if (PerlProc_pipe(pp) >= 0)
3818 while ((childpid = vfork()) == -1) {
3819 if (errno != EAGAIN) {
3824 PerlLIO_close(pp[0]);
3825 PerlLIO_close(pp[1]);
3833 PerlLIO_close(pp[1]);
3835 rsignal_save(SIGINT, SIG_IGN, &ihand);
3836 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3839 result = wait4pid(childpid, &status, 0);
3840 } while (result == -1 && errno == EINTR);
3842 (void)rsignal_restore(SIGINT, &ihand);
3843 (void)rsignal_restore(SIGQUIT, &qhand);
3845 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3846 do_execfree(); /* free any memory child malloced on vfork */
3852 while (n < sizeof(int)) {
3853 n1 = PerlLIO_read(pp[0],
3854 (void*)(((char*)&errkid)+n),
3860 PerlLIO_close(pp[0]);
3861 if (n) { /* Error */
3862 if (n != sizeof(int))
3863 DIE(aTHX_ "panic: kid popen errno read");
3864 errno = errkid; /* Propagate errno from kid */
3865 STATUS_CURRENT = -1;
3868 PUSHi(STATUS_CURRENT);
3872 PerlLIO_close(pp[0]);
3873 #if defined(HAS_FCNTL) && defined(F_SETFD)
3874 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3877 if (PL_op->op_flags & OPf_STACKED) {
3878 SV *really = *++MARK;
3879 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3881 else if (SP - MARK != 1)
3882 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3884 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3887 #else /* ! FORK or VMS or OS/2 */
3890 if (PL_op->op_flags & OPf_STACKED) {
3891 SV *really = *++MARK;
3892 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3894 else if (SP - MARK != 1)
3895 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3897 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3899 if (PL_statusvalue == -1) /* hint that value must be returned as is */
3901 STATUS_NATIVE_SET(value);
3904 PUSHi(result ? value : STATUS_CURRENT);
3905 #endif /* !FORK or VMS */
3911 djSP; dMARK; dORIGMARK; dTARGET;
3915 PERL_FLUSHALL_FOR_CHILD;
3916 if (PL_op->op_flags & OPf_STACKED) {
3917 SV *really = *++MARK;
3918 value = (I32)do_aexec(really, MARK, SP);
3920 else if (SP - MARK != 1)
3922 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3926 (void ) do_aspawn(Nullsv, MARK, SP);
3930 value = (I32)do_aexec(Nullsv, MARK, SP);
3935 char *junk = SvPV(*SP, n_a);
3937 TAINT_PROPER("exec");
3940 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3943 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3946 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3951 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3963 djSP; dMARK; dTARGET;
3966 value = (I32)apply(PL_op->op_type, MARK, SP);
3971 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3979 XPUSHi( getppid() );
3982 DIE(aTHX_ PL_no_func, "getppid");
3998 pgrp = (I32)BSD_GETPGRP(pid);
4000 if (pid != 0 && pid != PerlProc_getpid())
4001 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4007 DIE(aTHX_ PL_no_func, "getpgrp()");
4026 TAINT_PROPER("setpgrp");
4028 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4030 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4031 || (pid != 0 && pid != PerlProc_getpid()))
4033 DIE(aTHX_ "setpgrp can't take arguments");
4035 SETi( setpgrp() >= 0 );
4036 #endif /* USE_BSDPGRP */
4039 DIE(aTHX_ PL_no_func, "setpgrp()");
4048 #ifdef HAS_GETPRIORITY
4051 SETi( getpriority(which, who) );
4054 DIE(aTHX_ PL_no_func, "getpriority()");
4064 #ifdef HAS_SETPRIORITY
4068 TAINT_PROPER("setpriority");
4069 SETi( setpriority(which, who, niceval) >= 0 );
4072 DIE(aTHX_ PL_no_func, "setpriority()");
4082 XPUSHn( time(Null(Time_t*)) );
4084 XPUSHi( time(Null(Time_t*)) );
4089 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4090 to HZ. Probably. For now, assume that if the system
4091 defines HZ, it does so correctly. (Will this break
4093 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4094 it's supported. --AD 9/96.
4110 DIE(aTHX_ "times not implemented");
4115 (void)PerlProc_times(&PL_timesbuf);
4117 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4118 /* struct tms, though same data */
4122 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4123 if (GIMME == G_ARRAY) {
4124 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4125 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4126 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4129 #endif /* HAS_TIMES */
4142 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4143 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4144 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4150 when = (Time_t)SvNVx(POPs);
4152 when = (Time_t)SvIVx(POPs);
4155 if (PL_op->op_type == OP_LOCALTIME)
4156 tmbuf = localtime(&when);
4158 tmbuf = gmtime(&when);
4162 if (GIMME != G_ARRAY) {
4166 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4167 dayname[tmbuf->tm_wday],
4168 monname[tmbuf->tm_mon],
4173 tmbuf->tm_year + 1900);
4174 PUSHs(sv_2mortal(tsv));
4177 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4178 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4179 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4180 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4181 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4182 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4183 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4184 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4185 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4196 anum = alarm((unsigned int)anum);
4203 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4214 (void)time(&lasttime);
4219 PerlProc_sleep((unsigned int)duration);
4222 XPUSHi(when - lasttime);
4226 /* Shared memory. */
4240 return pp_shmwrite();
4245 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4246 djSP; dMARK; dTARGET;
4247 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4256 /* Message passing. */
4270 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4271 djSP; dMARK; dTARGET;
4272 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4283 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4284 djSP; dMARK; dTARGET;
4285 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4298 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4299 djSP; dMARK; dTARGET;
4300 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4307 DIE(aTHX_ "System V IPC is not implemented on this machine");
4313 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4314 djSP; dMARK; dTARGET;
4315 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4323 PUSHp(zero_but_true, ZBTLEN);
4333 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4334 djSP; dMARK; dTARGET;
4335 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4344 /* Get system info. */
4348 #ifdef HAS_GETHOSTBYNAME
4349 return pp_ghostent();
4351 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4357 #ifdef HAS_GETHOSTBYADDR
4358 return pp_ghostent();
4360 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4367 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4368 I32 which = PL_op->op_type;
4369 register char **elem;
4371 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4372 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4373 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4374 struct hostent *PerlSock_gethostent(void);
4376 struct hostent *hent;
4381 if (which == OP_GHBYNAME)
4382 #ifdef HAS_GETHOSTBYNAME
4383 hent = PerlSock_gethostbyname(POPpx);
4385 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4387 else if (which == OP_GHBYADDR) {
4388 #ifdef HAS_GETHOSTBYADDR
4389 int addrtype = POPi;
4392 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4394 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4396 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4400 #ifdef HAS_GETHOSTENT
4401 hent = PerlSock_gethostent();
4403 DIE(aTHX_ PL_no_sock_func, "gethostent");
4406 #ifdef HOST_NOT_FOUND
4408 STATUS_NATIVE_SET(h_errno);
4411 if (GIMME != G_ARRAY) {
4412 PUSHs(sv = sv_newmortal());
4414 if (which == OP_GHBYNAME) {
4416 sv_setpvn(sv, hent->h_addr, hent->h_length);
4419 sv_setpv(sv, (char*)hent->h_name);
4425 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4426 sv_setpv(sv, (char*)hent->h_name);
4427 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4428 for (elem = hent->h_aliases; elem && *elem; elem++) {
4429 sv_catpv(sv, *elem);
4431 sv_catpvn(sv, " ", 1);
4433 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4434 sv_setiv(sv, (IV)hent->h_addrtype);
4435 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4436 len = hent->h_length;
4437 sv_setiv(sv, (IV)len);
4439 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4440 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4441 sv_setpvn(sv, *elem, len);
4444 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4446 sv_setpvn(sv, hent->h_addr, len);
4451 DIE(aTHX_ PL_no_sock_func, "gethostent");
4457 #ifdef HAS_GETNETBYNAME
4458 return pp_gnetent();
4460 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4466 #ifdef HAS_GETNETBYADDR
4467 return pp_gnetent();
4469 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4476 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4477 I32 which = PL_op->op_type;
4478 register char **elem;
4480 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4481 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4482 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4483 struct netent *PerlSock_getnetent(void);
4485 struct netent *nent;
4488 if (which == OP_GNBYNAME)
4489 #ifdef HAS_GETNETBYNAME
4490 nent = PerlSock_getnetbyname(POPpx);
4492 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4494 else if (which == OP_GNBYADDR) {
4495 #ifdef HAS_GETNETBYADDR
4496 int addrtype = POPi;
4497 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4498 nent = PerlSock_getnetbyaddr(addr, addrtype);
4500 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4504 #ifdef HAS_GETNETENT
4505 nent = PerlSock_getnetent();
4507 DIE(aTHX_ PL_no_sock_func, "getnetent");
4511 if (GIMME != G_ARRAY) {
4512 PUSHs(sv = sv_newmortal());
4514 if (which == OP_GNBYNAME)
4515 sv_setiv(sv, (IV)nent->n_net);
4517 sv_setpv(sv, nent->n_name);
4523 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4524 sv_setpv(sv, nent->n_name);
4525 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4526 for (elem = nent->n_aliases; elem && *elem; elem++) {
4527 sv_catpv(sv, *elem);
4529 sv_catpvn(sv, " ", 1);
4531 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4532 sv_setiv(sv, (IV)nent->n_addrtype);
4533 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4534 sv_setiv(sv, (IV)nent->n_net);
4539 DIE(aTHX_ PL_no_sock_func, "getnetent");
4545 #ifdef HAS_GETPROTOBYNAME
4546 return pp_gprotoent();
4548 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4554 #ifdef HAS_GETPROTOBYNUMBER
4555 return pp_gprotoent();
4557 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4564 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4565 I32 which = PL_op->op_type;
4566 register char **elem;
4568 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4569 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4570 struct protoent *PerlSock_getprotobynumber(int);
4571 struct protoent *PerlSock_getprotoent(void);
4573 struct protoent *pent;
4576 if (which == OP_GPBYNAME)
4577 #ifdef HAS_GETPROTOBYNAME
4578 pent = PerlSock_getprotobyname(POPpx);
4580 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4582 else if (which == OP_GPBYNUMBER)
4583 #ifdef HAS_GETPROTOBYNUMBER
4584 pent = PerlSock_getprotobynumber(POPi);
4586 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4589 #ifdef HAS_GETPROTOENT
4590 pent = PerlSock_getprotoent();
4592 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4596 if (GIMME != G_ARRAY) {
4597 PUSHs(sv = sv_newmortal());
4599 if (which == OP_GPBYNAME)
4600 sv_setiv(sv, (IV)pent->p_proto);
4602 sv_setpv(sv, pent->p_name);
4608 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4609 sv_setpv(sv, pent->p_name);
4610 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4611 for (elem = pent->p_aliases; elem && *elem; elem++) {
4612 sv_catpv(sv, *elem);
4614 sv_catpvn(sv, " ", 1);
4616 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4617 sv_setiv(sv, (IV)pent->p_proto);
4622 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4628 #ifdef HAS_GETSERVBYNAME
4629 return pp_gservent();
4631 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4637 #ifdef HAS_GETSERVBYPORT
4638 return pp_gservent();
4640 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4647 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4648 I32 which = PL_op->op_type;
4649 register char **elem;
4651 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4652 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4653 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4654 struct servent *PerlSock_getservent(void);
4656 struct servent *sent;
4659 if (which == OP_GSBYNAME) {
4660 #ifdef HAS_GETSERVBYNAME
4661 char *proto = POPpx;
4664 if (proto && !*proto)
4667 sent = PerlSock_getservbyname(name, proto);
4669 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4672 else if (which == OP_GSBYPORT) {
4673 #ifdef HAS_GETSERVBYPORT
4674 char *proto = POPpx;
4675 unsigned short port = POPu;
4678 port = PerlSock_htons(port);
4680 sent = PerlSock_getservbyport(port, proto);
4682 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4686 #ifdef HAS_GETSERVENT
4687 sent = PerlSock_getservent();
4689 DIE(aTHX_ PL_no_sock_func, "getservent");
4693 if (GIMME != G_ARRAY) {
4694 PUSHs(sv = sv_newmortal());
4696 if (which == OP_GSBYNAME) {
4698 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4700 sv_setiv(sv, (IV)(sent->s_port));
4704 sv_setpv(sv, sent->s_name);
4710 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4711 sv_setpv(sv, sent->s_name);
4712 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4713 for (elem = sent->s_aliases; elem && *elem; elem++) {
4714 sv_catpv(sv, *elem);
4716 sv_catpvn(sv, " ", 1);
4718 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4720 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4722 sv_setiv(sv, (IV)(sent->s_port));
4724 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4725 sv_setpv(sv, sent->s_proto);
4730 DIE(aTHX_ PL_no_sock_func, "getservent");
4737 #ifdef HAS_SETHOSTENT
4738 PerlSock_sethostent(TOPi);
4741 DIE(aTHX_ PL_no_sock_func, "sethostent");
4748 #ifdef HAS_SETNETENT
4749 PerlSock_setnetent(TOPi);
4752 DIE(aTHX_ PL_no_sock_func, "setnetent");
4759 #ifdef HAS_SETPROTOENT
4760 PerlSock_setprotoent(TOPi);
4763 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4770 #ifdef HAS_SETSERVENT
4771 PerlSock_setservent(TOPi);
4774 DIE(aTHX_ PL_no_sock_func, "setservent");
4781 #ifdef HAS_ENDHOSTENT
4782 PerlSock_endhostent();
4786 DIE(aTHX_ PL_no_sock_func, "endhostent");
4793 #ifdef HAS_ENDNETENT
4794 PerlSock_endnetent();
4798 DIE(aTHX_ PL_no_sock_func, "endnetent");
4805 #ifdef HAS_ENDPROTOENT
4806 PerlSock_endprotoent();
4810 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4817 #ifdef HAS_ENDSERVENT
4818 PerlSock_endservent();
4822 DIE(aTHX_ PL_no_sock_func, "endservent");
4831 DIE(aTHX_ PL_no_func, "getpwnam");
4840 DIE(aTHX_ PL_no_func, "getpwuid");
4848 I32 which = PL_op->op_type;
4851 struct passwd *pwent = NULL;
4853 * We currently support only the SysV getsp* shadow password interface.
4854 * The interface is declared in <shadow.h> and often one needs to link
4855 * with -lsecurity or some such.
4856 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
4859 * AIX getpwnam() is clever enough to return the encrypted password
4860 * only if the caller (euid?) is root.
4862 * There are at least two other shadow password APIs. Many platforms
4863 * seem to contain more than one interface for accessing the shadow
4864 * password databases, possibly for compatibility reasons.
4865 * The getsp*() is by far he simplest one, the other two interfaces
4866 * are much more complicated, but also very similar to each other.
4871 * struct pr_passwd *getprpw*();
4872 * The password is in
4873 * char getprpw*(...).ufld.fd_encrypt[]
4874 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
4879 * struct es_passwd *getespw*();
4880 * The password is in
4881 * char *(getespw*(...).ufld.fd_encrypt)
4882 * Mention HAS_GETESPWNAM here so that Configure probes for it.
4884 * Mention I_PROT here so that Configure probes for it.
4886 * In HP-UX for getprpw*() the manual page claims that one should include
4887 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
4888 * if one includes <shadow.h> as that includes <hpsecurity.h>,
4889 * and pp_sys.c already includes <shadow.h> if there is such.
4891 * Note that <sys/security.h> is already probed for, but currently
4892 * it is only included in special cases.
4894 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
4895 * be preferred interface, even though also the getprpw*() interface
4896 * is available) one needs to link with -lsecurity -ldb -laud -lm.
4897 * One also needs to call set_auth_parameters() in main() before
4898 * doing anything else, whether one is using getespw*() or getprpw*().
4900 * Note that accessing the shadow databases can be magnitudes
4901 * slower than accessing the standard databases.
4908 pwent = getpwnam(POPpx);
4911 pwent = getpwuid((Uid_t)POPi);
4914 # ifdef HAS_GETPWENT
4917 DIE(aTHX_ PL_no_func, "getpwent");
4923 if (GIMME != G_ARRAY) {
4924 PUSHs(sv = sv_newmortal());
4926 if (which == OP_GPWNAM)
4927 # if Uid_t_sign <= 0
4928 sv_setiv(sv, (IV)pwent->pw_uid);
4930 sv_setuv(sv, (UV)pwent->pw_uid);
4933 sv_setpv(sv, pwent->pw_name);
4939 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4940 sv_setpv(sv, pwent->pw_name);
4942 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4944 /* If we have getspnam(), we try to dig up the shadow
4945 * password. If we are underprivileged, the shadow
4946 * interface will set the errno to EACCES or similar,
4947 * and return a null pointer. If this happens, we will
4948 * use the dummy password (usually "*" or "x") from the
4949 * standard password database.
4951 * In theory we could skip the shadow call completely
4952 * if euid != 0 but in practice we cannot know which
4953 * security measures are guarding the shadow databases
4954 * on a random platform.
4956 * Resist the urge to use additional shadow interfaces.
4957 * Divert the urge to writing an extension instead.
4960 # ifdef HAS_GETSPNAM
4962 struct spwd *spwent;
4963 int saverrno; /* Save and restore errno so that
4964 * underprivileged attempts seem
4965 * to have never made the unsccessful
4966 * attempt to retrieve the shadow password. */
4969 spwent = getspnam(pwent->pw_name);
4971 if (spwent && spwent->sp_pwdp)
4972 sv_setpv(sv, spwent->sp_pwdp);
4975 if (!SvPOK(sv)) /* Use the standard password, then. */
4976 sv_setpv(sv, pwent->pw_passwd);
4978 # ifndef INCOMPLETE_TAINTS
4979 /* passwd is tainted because user himself can diddle with it.
4980 * admittedly not much and in a very limited way, but nevertheless. */
4984 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4985 # if Uid_t_sign <= 0
4986 sv_setiv(sv, (IV)pwent->pw_uid);
4988 sv_setuv(sv, (UV)pwent->pw_uid);
4991 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4992 # if Uid_t_sign <= 0
4993 sv_setiv(sv, (IV)pwent->pw_gid);
4995 sv_setuv(sv, (UV)pwent->pw_gid);
4997 /* pw_change, pw_quota, and pw_age are mutually exclusive--
4998 * because of the poor interface of the Perl getpw*(),
4999 * not because there's some standard/convention saying so.
5000 * A better interface would have been to return a hash,
5001 * but we are accursed by our history, alas. --jhi. */
5002 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5004 sv_setiv(sv, (IV)pwent->pw_change);
5007 sv_setiv(sv, (IV)pwent->pw_quota);
5010 sv_setpv(sv, pwent->pw_age);
5015 /* pw_class and pw_comment are mutually exclusive--.
5016 * see the above note for pw_change, pw_quota, and pw_age. */
5017 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5019 sv_setpv(sv, pwent->pw_class);
5022 sv_setpv(sv, pwent->pw_comment);
5026 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5028 sv_setpv(sv, pwent->pw_gecos);
5030 # ifndef INCOMPLETE_TAINTS
5031 /* pw_gecos is tainted because user himself can diddle with it. */
5035 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5036 sv_setpv(sv, pwent->pw_dir);
5038 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5039 sv_setpv(sv, pwent->pw_shell);
5040 # ifndef INCOMPLETE_TAINTS
5041 /* pw_shell is tainted because user himself can diddle with it. */
5046 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5047 sv_setiv(sv, (IV)pwent->pw_expire);
5052 DIE(aTHX_ PL_no_func, "getpwent");
5059 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5063 DIE(aTHX_ PL_no_func, "setpwent");
5070 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5074 DIE(aTHX_ PL_no_func, "endpwent");
5083 DIE(aTHX_ PL_no_func, "getgrnam");
5092 DIE(aTHX_ PL_no_func, "getgrgid");
5100 I32 which = PL_op->op_type;
5101 register char **elem;
5103 struct group *grent;
5106 if (which == OP_GGRNAM)
5107 grent = (struct group *)getgrnam(POPpx);
5108 else if (which == OP_GGRGID)
5109 grent = (struct group *)getgrgid(POPi);
5112 grent = (struct group *)getgrent();
5114 DIE(aTHX_ PL_no_func, "getgrent");
5118 if (GIMME != G_ARRAY) {
5119 PUSHs(sv = sv_newmortal());
5121 if (which == OP_GGRNAM)
5122 sv_setiv(sv, (IV)grent->gr_gid);
5124 sv_setpv(sv, grent->gr_name);
5130 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5131 sv_setpv(sv, grent->gr_name);
5133 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5135 sv_setpv(sv, grent->gr_passwd);
5138 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5139 sv_setiv(sv, (IV)grent->gr_gid);
5141 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5142 for (elem = grent->gr_mem; elem && *elem; elem++) {
5143 sv_catpv(sv, *elem);
5145 sv_catpvn(sv, " ", 1);
5151 DIE(aTHX_ PL_no_func, "getgrent");
5158 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5162 DIE(aTHX_ PL_no_func, "setgrent");
5169 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5173 DIE(aTHX_ PL_no_func, "endgrent");
5183 if (!(tmps = PerlProc_getlogin()))
5185 PUSHp(tmps, strlen(tmps));
5188 DIE(aTHX_ PL_no_func, "getlogin");
5192 /* Miscellaneous. */
5197 djSP; dMARK; dORIGMARK; dTARGET;
5198 register I32 items = SP - MARK;
5199 unsigned long a[20];
5205 while (++MARK <= SP) {
5206 if (SvTAINTED(*MARK)) {
5212 TAINT_PROPER("syscall");
5215 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5216 * or where sizeof(long) != sizeof(char*). But such machines will
5217 * not likely have syscall implemented either, so who cares?
5219 while (++MARK <= SP) {
5220 if (SvNIOK(*MARK) || !i)
5221 a[i++] = SvIV(*MARK);
5222 else if (*MARK == &PL_sv_undef)
5225 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5231 DIE(aTHX_ "Too many args to syscall");
5233 DIE(aTHX_ "Too few args to syscall");
5235 retval = syscall(a[0]);
5238 retval = syscall(a[0],a[1]);
5241 retval = syscall(a[0],a[1],a[2]);
5244 retval = syscall(a[0],a[1],a[2],a[3]);
5247 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5250 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5253 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5256 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5260 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5263 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5266 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5270 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5274 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5278 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5279 a[10],a[11],a[12],a[13]);
5281 #endif /* atarist */
5287 DIE(aTHX_ PL_no_func, "syscall");
5291 #ifdef FCNTL_EMULATE_FLOCK
5293 /* XXX Emulate flock() with fcntl().
5294 What's really needed is a good file locking module.
5298 fcntl_emulate_flock(int fd, int operation)
5302 switch (operation & ~LOCK_NB) {
5304 flock.l_type = F_RDLCK;
5307 flock.l_type = F_WRLCK;
5310 flock.l_type = F_UNLCK;
5316 flock.l_whence = SEEK_SET;
5317 flock.l_start = flock.l_len = (Off_t)0;
5319 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5322 #endif /* FCNTL_EMULATE_FLOCK */
5324 #ifdef LOCKF_EMULATE_FLOCK
5326 /* XXX Emulate flock() with lockf(). This is just to increase
5327 portability of scripts. The calls are not completely
5328 interchangeable. What's really needed is a good file
5332 /* The lockf() constants might have been defined in <unistd.h>.
5333 Unfortunately, <unistd.h> causes troubles on some mixed
5334 (BSD/POSIX) systems, such as SunOS 4.1.3.
5336 Further, the lockf() constants aren't POSIX, so they might not be
5337 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5338 just stick in the SVID values and be done with it. Sigh.
5342 # define F_ULOCK 0 /* Unlock a previously locked region */
5345 # define F_LOCK 1 /* Lock a region for exclusive use */
5348 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5351 # define F_TEST 3 /* Test a region for other processes locks */
5355 lockf_emulate_flock(int fd, int operation)
5361 /* flock locks entire file so for lockf we need to do the same */
5363 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5364 if (pos > 0) /* is seekable and needs to be repositioned */
5365 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5366 pos = -1; /* seek failed, so don't seek back afterwards */
5369 switch (operation) {
5371 /* LOCK_SH - get a shared lock */
5373 /* LOCK_EX - get an exclusive lock */
5375 i = lockf (fd, F_LOCK, 0);
5378 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5379 case LOCK_SH|LOCK_NB:
5380 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5381 case LOCK_EX|LOCK_NB:
5382 i = lockf (fd, F_TLOCK, 0);
5384 if ((errno == EAGAIN) || (errno == EACCES))
5385 errno = EWOULDBLOCK;
5388 /* LOCK_UN - unlock (non-blocking is a no-op) */
5390 case LOCK_UN|LOCK_NB:
5391 i = lockf (fd, F_ULOCK, 0);
5394 /* Default - can't decipher operation */
5401 if (pos > 0) /* need to restore position of the handle */
5402 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5407 #endif /* LOCKF_EMULATE_FLOCK */