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);
618 if (!IoIFP(rstio) || !IoOFP(wstio)) {
619 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
620 else PerlLIO_close(fd[0]);
621 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
622 else PerlLIO_close(fd[1]);
625 #if defined(HAS_FCNTL) && defined(F_SETFD)
626 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
627 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
634 DIE(aTHX_ PL_no_func, "pipe");
650 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
652 XPUSHs(SvTIED_obj((SV*)gv, mg));
655 call_method("FILENO", G_SCALAR);
661 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
663 PUSHi(PerlIO_fileno(fp));
674 anum = PerlLIO_umask(0);
675 (void)PerlLIO_umask(anum);
678 anum = PerlLIO_umask(POPi);
679 TAINT_PROPER("umask");
682 /* Only DIE if trying to restrict permissions on `user' (self).
683 * Otherwise it's harmless and more useful to just return undef
684 * since 'group' and 'other' concepts probably don't exist here. */
685 if (MAXARG >= 1 && (POPi & 0700))
686 DIE(aTHX_ "umask not implemented");
687 XPUSHs(&PL_sv_undef);
708 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
710 XPUSHs(SvTIED_obj((SV*)gv, mg));
715 call_method("BINMODE", G_SCALAR);
722 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
725 if (do_binmode(fp,IoTYPE(io),mode_from_discipline(discp)))
739 I32 markoff = MARK - PL_stack_base;
746 switch(SvTYPE(varsv)) {
748 methname = "TIEHASH";
751 methname = "TIEARRAY";
754 methname = "TIEHANDLE";
758 methname = "TIESCALAR";
763 if (sv_isobject(*MARK)) {
765 PUSHSTACKi(PERLSI_MAGIC);
771 call_method(methname, G_SCALAR);
774 /* Not clear why we don't call call_method here too.
775 * perhaps to get different error message ?
777 stash = gv_stashsv(*MARK, FALSE);
778 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
779 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
780 methname, SvPV(*MARK,n_a));
783 PUSHSTACKi(PERLSI_MAGIC);
789 call_sv((SV*)GvCV(gv), G_SCALAR);
795 if (sv_isobject(sv)) {
796 sv_unmagic(varsv, how);
797 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
800 SP = PL_stack_base + markoff;
809 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
811 if (ckWARN(WARN_UNTIE)) {
813 if ((mg = SvTIED_mg(sv, how))) {
814 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
815 Perl_warner(aTHX_ WARN_UNTIE,
816 "untie attempted while %"UVuf" inner references still exist",
817 (UV)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
829 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
832 if ((mg = SvTIED_mg(sv, how))) {
833 SV *osv = SvTIED_obj(sv, mg);
834 if (osv == mg->mg_obj)
835 osv = sv_mortalcopy(osv);
853 sv = sv_mortalcopy(&PL_sv_no);
854 sv_setpv(sv, "AnyDBM_File");
855 stash = gv_stashsv(sv, FALSE);
856 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
858 require_pv("AnyDBM_File.pm");
860 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
861 DIE(aTHX_ "No dbm on this machine");
871 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
873 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
876 call_sv((SV*)GvCV(gv), G_SCALAR);
879 if (!sv_isobject(TOPs)) {
884 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
887 call_sv((SV*)GvCV(gv), G_SCALAR);
891 if (sv_isobject(TOPs)) {
892 sv_unmagic((SV *) hv, 'P');
893 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
915 struct timeval timebuf;
916 struct timeval *tbuf = &timebuf;
920 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
925 # if BYTEORDER & 0xf0000
926 # define ORDERBYTE (0x88888888 - BYTEORDER)
928 # define ORDERBYTE (0x4444 - BYTEORDER)
934 for (i = 1; i <= 3; i++) {
942 /* little endians can use vecs directly */
943 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
944 # if SELECT_MIN_BITS > 1
945 /* If SELECT_MIN_BITS is greater than one we most probably will want
946 * to align the sizes with SELECT_MIN_BITS/8 because for example
947 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
948 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
949 * on (sets/tests/clears bits) is 32 bits. */
950 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
952 growsize = sizeof(fd_set);
961 masksize = NFDBITS / NBBY;
963 masksize = sizeof(long); /* documented int, everyone seems to use long */
965 growsize = maxlen + (masksize - (maxlen % masksize));
966 Zero(&fd_sets[0], 4, char*);
974 timebuf.tv_sec = (long)value;
975 value -= (NV)timebuf.tv_sec;
976 timebuf.tv_usec = (long)(value * 1000000.0);
979 tbuf = Null(struct timeval*);
981 for (i = 1; i <= 3; i++) {
988 SvPV_force(sv,n_a); /* force string conversion */
991 Sv_Grow(sv, growsize);
995 while (++j <= growsize) {
999 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1001 New(403, fd_sets[i], growsize, char);
1002 for (offset = 0; offset < growsize; offset += masksize) {
1003 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1004 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1007 fd_sets[i] = SvPVX(sv);
1011 nfound = PerlSock_select(
1013 (Select_fd_set_t) fd_sets[1],
1014 (Select_fd_set_t) fd_sets[2],
1015 (Select_fd_set_t) fd_sets[3],
1017 for (i = 1; i <= 3; i++) {
1020 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1022 for (offset = 0; offset < growsize; offset += masksize) {
1023 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1024 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1026 Safefree(fd_sets[i]);
1033 if (GIMME == G_ARRAY && tbuf) {
1034 value = (NV)(timebuf.tv_sec) +
1035 (NV)(timebuf.tv_usec) / 1000000.0;
1036 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1037 sv_setnv(sv, value);
1041 DIE(aTHX_ "select not implemented");
1046 Perl_setdefout(pTHX_ GV *gv)
1050 (void)SvREFCNT_inc(gv);
1052 SvREFCNT_dec(PL_defoutgv);
1059 GV *newdefout, *egv;
1062 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1064 egv = GvEGV(PL_defoutgv);
1069 XPUSHs(&PL_sv_undef);
1071 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1072 if (gvp && *gvp == egv) {
1073 gv_efullname4(TARG, PL_defoutgv, Nullch, FALSE);
1077 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1082 if (!GvIO(newdefout))
1083 gv_IOadd(newdefout);
1084 setdefout(newdefout);
1101 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1102 I32 gimme = GIMME_V;
1104 XPUSHs(SvTIED_obj((SV*)gv, mg));
1107 call_method("GETC", gimme);
1110 if (gimme == G_SCALAR)
1111 SvSetMagicSV_nosteal(TARG, TOPs);
1114 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1117 sv_setpv(TARG, " ");
1118 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1125 return pp_sysread();
1129 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1132 register PERL_CONTEXT *cx;
1133 I32 gimme = GIMME_V;
1134 AV* padlist = CvPADLIST(cv);
1135 SV** svp = AvARRAY(padlist);
1141 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1143 SAVEVPTR(PL_curpad);
1144 PL_curpad = AvARRAY((AV*)svp[1]);
1146 setdefout(gv); /* locally select filehandle so $% et al work */
1178 SV *tmpsv = sv_newmortal();
1179 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1180 DIE(aTHX_ "Undefined format \"%s\" called",SvPVX(tmpsv));
1182 DIE(aTHX_ "Not a format reference");
1185 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1187 IoFLAGS(io) &= ~IOf_DIDTOP;
1188 return doform(cv,gv,PL_op->op_next);
1194 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1195 register IO *io = GvIOp(gv);
1196 PerlIO *ofp = IoOFP(io);
1200 register PERL_CONTEXT *cx;
1202 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1203 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1204 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1205 PL_formtarget != PL_toptarget)
1209 if (!IoTOP_GV(io)) {
1213 if (!IoTOP_NAME(io)) {
1214 if (!IoFMT_NAME(io))
1215 IoFMT_NAME(io) = savepv(GvNAME(gv));
1216 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1217 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1218 if ((topgv && GvFORM(topgv)) ||
1219 !gv_fetchpv("top",FALSE,SVt_PVFM))
1220 IoTOP_NAME(io) = savepv(SvPVX(topname));
1222 IoTOP_NAME(io) = savepv("top");
1224 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1225 if (!topgv || !GvFORM(topgv)) {
1226 IoLINES_LEFT(io) = 100000000;
1229 IoTOP_GV(io) = topgv;
1231 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1232 I32 lines = IoLINES_LEFT(io);
1233 char *s = SvPVX(PL_formtarget);
1234 if (lines <= 0) /* Yow, header didn't even fit!!! */
1236 while (lines-- > 0) {
1237 s = strchr(s, '\n');
1243 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1244 sv_chop(PL_formtarget, s);
1245 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1248 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1249 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1250 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1252 PL_formtarget = PL_toptarget;
1253 IoFLAGS(io) |= IOf_DIDTOP;
1256 DIE(aTHX_ "bad top format reference");
1259 SV *tmpsv = sv_newmortal();
1260 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1261 DIE(aTHX_ "Undefined top format \"%s\" called",SvPVX(tmpsv));
1264 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1265 return doform(cv,gv,PL_op);
1269 POPBLOCK(cx,PL_curpm);
1275 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1277 SV* sv = sv_newmortal();
1278 gv_efullname4(sv, gv, Nullch, FALSE);
1279 Perl_warner(aTHX_ WARN_IO,
1280 "Filehandle %s opened only for input",
1283 else if (ckWARN(WARN_CLOSED))
1284 report_evil_fh(gv, io, PL_op->op_type);
1289 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1290 if (ckWARN(WARN_IO))
1291 Perl_warner(aTHX_ WARN_IO, "page overflow");
1293 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1297 FmLINES(PL_formtarget) = 0;
1298 SvCUR_set(PL_formtarget, 0);
1299 *SvEND(PL_formtarget) = '\0';
1300 if (IoFLAGS(io) & IOf_FLUSH)
1301 (void)PerlIO_flush(fp);
1305 PL_formtarget = PL_bodytarget;
1307 return pop_return();
1312 djSP; dMARK; dORIGMARK;
1320 if (PL_op->op_flags & OPf_STACKED)
1325 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1326 if (MARK == ORIGMARK) {
1329 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1333 *MARK = SvTIED_obj((SV*)gv, mg);
1336 call_method("PRINTF", G_SCALAR);
1339 MARK = ORIGMARK + 1;
1346 if (!(io = GvIO(gv))) {
1347 if (ckWARN(WARN_UNOPENED)) {
1348 gv_efullname4(sv, gv, Nullch, FALSE);
1349 Perl_warner(aTHX_ WARN_UNOPENED,
1350 "Filehandle %s never opened", SvPV(sv,n_a));
1352 SETERRNO(EBADF,RMS$_IFI);
1355 else if (!(fp = IoOFP(io))) {
1356 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1358 gv_efullname4(sv, gv, Nullch, FALSE);
1359 Perl_warner(aTHX_ WARN_IO,
1360 "Filehandle %s opened only for input",
1363 else if (ckWARN(WARN_CLOSED))
1364 report_evil_fh(gv, io, PL_op->op_type);
1366 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1370 do_sprintf(sv, SP - MARK, MARK + 1);
1371 if (!do_print(sv, fp))
1374 if (IoFLAGS(io) & IOf_FLUSH)
1375 if (PerlIO_flush(fp) == EOF)
1386 PUSHs(&PL_sv_undef);
1407 /* Need TIEHANDLE method ? */
1409 tmps = SvPV(sv, len);
1410 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1411 IoLINES(GvIOp(gv)) = 0;
1415 PUSHs(&PL_sv_undef);
1422 djSP; dMARK; dORIGMARK; dTARGET;
1428 Sock_size_t bufsize;
1434 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1435 (mg = SvTIED_mg((SV*)gv, 'q')))
1440 *MARK = SvTIED_obj((SV*)gv, mg);
1442 call_method("READ", G_SCALAR);
1455 sv_setpvn(bufsv, "", 0);
1456 buffer = SvPV_force(bufsv, blen);
1457 length = SvIVx(*++MARK);
1459 DIE(aTHX_ "Negative length");
1462 offset = SvIVx(*++MARK);
1466 if (!io || !IoIFP(io))
1469 if (PL_op->op_type == OP_RECV) {
1470 char namebuf[MAXPATHLEN];
1471 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1472 bufsize = sizeof (struct sockaddr_in);
1474 bufsize = sizeof namebuf;
1476 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1480 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1484 buffer = SvGROW(bufsv, length+1);
1485 /* 'offset' means 'flags' here */
1486 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1487 (struct sockaddr *)namebuf, &bufsize);
1490 SvCUR_set(bufsv, length);
1491 *SvEND(bufsv) = '\0';
1492 (void)SvPOK_only(bufsv);
1494 /* This should not be marked tainted if the fp is marked clean */
1495 if (!(IoFLAGS(io) & IOf_UNTAINT))
1496 SvTAINTED_on(bufsv);
1498 sv_setpvn(TARG, namebuf, bufsize);
1503 if (PL_op->op_type == OP_RECV)
1504 DIE(aTHX_ PL_no_sock_func, "recv");
1508 DIE(aTHX_ "Offset outside string");
1511 bufsize = SvCUR(bufsv);
1512 buffer = SvGROW(bufsv, length+offset+1);
1513 if (offset > bufsize) { /* Zero any newly allocated space */
1514 Zero(buffer+bufsize, offset-bufsize, char);
1516 if (PL_op->op_type == OP_SYSREAD) {
1517 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1518 if (IoTYPE(io) == 's') {
1519 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1520 buffer+offset, length, 0);
1525 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1526 buffer+offset, length);
1530 #ifdef HAS_SOCKET__bad_code_maybe
1531 if (IoTYPE(io) == 's') {
1532 char namebuf[MAXPATHLEN];
1533 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1534 bufsize = sizeof (struct sockaddr_in);
1536 bufsize = sizeof namebuf;
1538 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1539 (struct sockaddr *)namebuf, &bufsize);
1544 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1545 /* fread() returns 0 on both error and EOF */
1546 if (length == 0 && PerlIO_error(IoIFP(io)))
1550 if ((IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
1551 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1553 SV* sv = sv_newmortal();
1554 gv_efullname4(sv, gv, Nullch, FALSE);
1555 Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
1560 SvCUR_set(bufsv, length+offset);
1561 *SvEND(bufsv) = '\0';
1562 (void)SvPOK_only(bufsv);
1564 /* This should not be marked tainted if the fp is marked clean */
1565 if (!(IoFLAGS(io) & IOf_UNTAINT))
1566 SvTAINTED_on(bufsv);
1579 int items = (SP - PL_stack_base) - TOPMARK;
1583 sv = sv_2mortal(newSViv(sv_len(*SP)));
1592 djSP; dMARK; dORIGMARK; dTARGET;
1604 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1608 *MARK = SvTIED_obj((SV*)gv, mg);
1610 call_method("WRITE", G_SCALAR);
1621 buffer = SvPV(bufsv, blen);
1622 #if Size_t_size > IVSIZE
1623 length = (Size_t)SvNVx(*++MARK);
1625 length = (Size_t)SvIVx(*++MARK);
1627 if ((SSize_t)length < 0)
1628 DIE(aTHX_ "Negative length");
1631 if (!io || !IoIFP(io)) {
1633 if (ckWARN(WARN_CLOSED))
1634 report_evil_fh(gv, io, PL_op->op_type);
1636 else if (PL_op->op_type == OP_SYSWRITE) {
1638 offset = SvIVx(*++MARK);
1641 DIE(aTHX_ "Offset outside string");
1643 } else if (offset >= blen && blen > 0)
1644 DIE(aTHX_ "Offset outside string");
1647 if (length > blen - offset)
1648 length = blen - offset;
1649 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1650 if (IoTYPE(io) == 's') {
1651 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1652 buffer+offset, length, 0);
1657 /* See the note at doio.c:do_print about filesize limits. --jhi */
1658 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1659 buffer+offset, length);
1663 else if (SP > MARK) {
1666 sockbuf = SvPVx(*++MARK, mlen);
1667 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1668 length, (struct sockaddr *)sockbuf, mlen);
1671 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1675 DIE(aTHX_ PL_no_sock_func, "send");
1680 #if Size_t_size > IVSIZE
1694 return pp_sysread();
1704 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1706 gv = PL_last_in_gv = PL_argvgv;
1708 if (io && !IoIFP(io)) {
1709 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1711 IoFLAGS(io) &= ~IOf_START;
1712 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1713 sv_setpvn(GvSV(gv), "-", 1);
1714 SvSETMAGIC(GvSV(gv));
1716 else if (!nextargv(gv))
1721 gv = PL_last_in_gv; /* eof */
1724 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1726 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1728 XPUSHs(SvTIED_obj((SV*)gv, mg));
1731 call_method("EOF", G_SCALAR);
1737 PUSHs(boolSV(!gv || do_eof(gv)));
1750 gv = PL_last_in_gv = (GV*)POPs;
1752 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1754 XPUSHs(SvTIED_obj((SV*)gv, mg));
1757 call_method("TELL", G_SCALAR);
1763 #if LSEEKSIZE > IVSIZE
1764 PUSHn( do_tell(gv) );
1766 PUSHi( do_tell(gv) );
1773 return pp_sysseek();
1781 #if LSEEKSIZE > IVSIZE
1782 Off_t offset = (Off_t)SvNVx(POPs);
1784 Off_t offset = (Off_t)SvIVx(POPs);
1788 gv = PL_last_in_gv = (GV*)POPs;
1790 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1792 XPUSHs(SvTIED_obj((SV*)gv, mg));
1793 #if LSEEKSIZE > IVSIZE
1794 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1796 XPUSHs(sv_2mortal(newSViv(offset)));
1798 XPUSHs(sv_2mortal(newSViv(whence)));
1801 call_method("SEEK", G_SCALAR);
1807 if (PL_op->op_type == OP_SEEK)
1808 PUSHs(boolSV(do_seek(gv, offset, whence)));
1810 Off_t sought = do_sysseek(gv, offset, whence);
1812 PUSHs(&PL_sv_undef);
1815 #if LSEEKSIZE > IVSIZE
1820 : newSVpvn(zero_but_true, ZBTLEN);
1821 PUSHs(sv_2mortal(sv));
1830 /* There seems to be no consensus on the length type of truncate()
1831 * and ftruncate(), both off_t and size_t have supporters. In
1832 * general one would think that when using large files, off_t is
1833 * at least as wide as size_t, so using an off_t should be okay. */
1834 /* XXX Configure probe for the length type of *truncate() needed XXX */
1840 #if Size_t_size > IVSIZE
1845 /* Checking for length < 0 is problematic as the type might or
1846 * might not be signed: if it is not, clever compilers will moan. */
1847 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1849 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1850 if (PL_op->op_flags & OPf_SPECIAL) {
1851 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1853 TAINT_PROPER("truncate");
1854 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1857 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
1859 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1861 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1871 if (SvTYPE(sv) == SVt_PVGV) {
1872 tmpgv = (GV*)sv; /* *main::FRED for example */
1875 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1876 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1880 name = SvPV(sv, n_a);
1881 TAINT_PROPER("truncate");
1883 if (truncate(name, len) < 0)
1888 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1891 if (my_chsize(tmpfd, len) < 0)
1893 PerlLIO_close(tmpfd);
1902 SETERRNO(EBADF,RMS$_IFI);
1905 DIE(aTHX_ "truncate not implemented");
1918 unsigned int func = U_I(POPn);
1919 int optype = PL_op->op_type;
1925 if (!io || !argsv || !IoIFP(io)) {
1926 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1930 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1933 s = SvPV_force(argsv, len);
1934 need = IOCPARM_LEN(func);
1936 s = Sv_Grow(argsv, need + 1);
1937 SvCUR_set(argsv, need);
1940 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1943 retval = SvIV(argsv);
1944 s = INT2PTR(char*,retval); /* ouch */
1947 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1949 if (optype == OP_IOCTL)
1951 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1953 DIE(aTHX_ "ioctl is not implemented");
1957 #if defined(OS2) && defined(__EMX__)
1958 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1960 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1963 DIE(aTHX_ "fcntl is not implemented");
1967 if (s[SvCUR(argsv)] != 17)
1968 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1969 PL_op_name[optype]);
1970 s[SvCUR(argsv)] = 0; /* put our null back */
1971 SvSETMAGIC(argsv); /* Assume it has changed */
1980 PUSHp(zero_but_true, ZBTLEN);
2000 if (gv && (io = GvIO(gv)))
2007 (void)PerlIO_flush(fp);
2008 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2011 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2012 report_evil_fh(gv, io, PL_op->op_type);
2014 SETERRNO(EBADF,RMS$_IFI);
2019 DIE(aTHX_ PL_no_func, "flock()");
2031 int protocol = POPi;
2039 SETERRNO(EBADF,LIB$_INVARG);
2045 do_close(gv, FALSE);
2047 TAINT_PROPER("socket");
2048 fd = PerlSock_socket(domain, type, protocol);
2051 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2052 IoOFP(io) = PerlIO_fdopen(fd, "w");
2054 if (!IoIFP(io) || !IoOFP(io)) {
2055 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2056 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2057 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2060 #if defined(HAS_FCNTL) && defined(F_SETFD)
2061 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2066 DIE(aTHX_ PL_no_sock_func, "socket");
2073 #ifdef HAS_SOCKETPAIR
2078 int protocol = POPi;
2091 do_close(gv1, FALSE);
2093 do_close(gv2, FALSE);
2095 TAINT_PROPER("socketpair");
2096 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2098 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2099 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2101 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2102 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2104 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2105 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2106 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2107 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2108 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2109 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2110 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2113 #if defined(HAS_FCNTL) && defined(F_SETFD)
2114 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2115 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2120 DIE(aTHX_ PL_no_sock_func, "socketpair");
2128 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2129 extern GETPRIVMODE();
2130 extern GETUSERMODE();
2135 register IO *io = GvIOn(gv);
2139 int mpeprivmode = 0;
2142 if (!io || !IoIFP(io))
2145 addr = SvPV(addrsv, len);
2146 TAINT_PROPER("bind");
2147 #ifdef MPE /* Deal with MPE bind() peculiarities */
2148 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2149 /* The address *MUST* stupidly be zero. */
2150 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2151 /* PRIV mode is required to bind() to ports < 1024. */
2152 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2153 ((struct sockaddr_in *)addr)->sin_port > 0) {
2154 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2159 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2160 (struct sockaddr *)addr, len) >= 0)
2163 #ifdef MPE /* Switch back to USER mode */
2174 if (ckWARN(WARN_CLOSED))
2175 report_evil_fh(gv, io, PL_op->op_type);
2176 SETERRNO(EBADF,SS$_IVCHAN);
2179 DIE(aTHX_ PL_no_sock_func, "bind");
2190 register IO *io = GvIOn(gv);
2193 if (!io || !IoIFP(io))
2196 addr = SvPV(addrsv, len);
2197 TAINT_PROPER("connect");
2198 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2204 if (ckWARN(WARN_CLOSED))
2205 report_evil_fh(gv, io, PL_op->op_type);
2206 SETERRNO(EBADF,SS$_IVCHAN);
2209 DIE(aTHX_ PL_no_sock_func, "connect");
2219 register IO *io = GvIOn(gv);
2221 if (!io || !IoIFP(io))
2224 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2230 if (ckWARN(WARN_CLOSED))
2231 report_evil_fh(gv, io, PL_op->op_type);
2232 SETERRNO(EBADF,SS$_IVCHAN);
2235 DIE(aTHX_ PL_no_sock_func, "listen");
2247 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2248 Sock_size_t len = sizeof saddr;
2260 if (!gstio || !IoIFP(gstio))
2265 do_close(ngv, FALSE);
2267 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2270 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2271 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2272 IoTYPE(nstio) = 's';
2273 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2274 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2275 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2276 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2279 #if defined(HAS_FCNTL) && defined(F_SETFD)
2280 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2283 PUSHp((char *)&saddr, len);
2287 if (ckWARN(WARN_CLOSED))
2288 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2289 SETERRNO(EBADF,SS$_IVCHAN);
2295 DIE(aTHX_ PL_no_sock_func, "accept");
2305 register IO *io = GvIOn(gv);
2307 if (!io || !IoIFP(io))
2310 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2314 if (ckWARN(WARN_CLOSED))
2315 report_evil_fh(gv, io, PL_op->op_type);
2316 SETERRNO(EBADF,SS$_IVCHAN);
2319 DIE(aTHX_ PL_no_sock_func, "shutdown");
2326 return pp_ssockopt();
2328 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2336 int optype = PL_op->op_type;
2339 unsigned int optname;
2345 if (optype == OP_GSOCKOPT)
2346 sv = sv_2mortal(NEWSV(22, 257));
2349 optname = (unsigned int) POPi;
2350 lvl = (unsigned int) POPi;
2354 if (!io || !IoIFP(io))
2357 fd = PerlIO_fileno(IoIFP(io));
2361 (void)SvPOK_only(sv);
2365 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2380 aint = (int)SvIV(sv);
2384 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2393 if (ckWARN(WARN_CLOSED))
2394 report_evil_fh(gv, io, optype);
2395 SETERRNO(EBADF,SS$_IVCHAN);
2400 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2407 return pp_getpeername();
2409 DIE(aTHX_ PL_no_sock_func, "getsockname");
2417 int optype = PL_op->op_type;
2421 register IO *io = GvIOn(gv);
2424 if (!io || !IoIFP(io))
2427 sv = sv_2mortal(NEWSV(22, 257));
2428 (void)SvPOK_only(sv);
2432 fd = PerlIO_fileno(IoIFP(io));
2434 case OP_GETSOCKNAME:
2435 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2438 case OP_GETPEERNAME:
2439 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2441 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2443 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";
2444 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2445 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2446 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2447 sizeof(u_short) + sizeof(struct in_addr))) {
2454 #ifdef BOGUS_GETNAME_RETURN
2455 /* Interactive Unix, getpeername() and getsockname()
2456 does not return valid namelen */
2457 if (len == BOGUS_GETNAME_RETURN)
2458 len = sizeof(struct sockaddr);
2466 if (ckWARN(WARN_CLOSED))
2467 report_evil_fh(gv, io, optype);
2468 SETERRNO(EBADF,SS$_IVCHAN);
2473 DIE(aTHX_ PL_no_sock_func, "getpeername");
2492 if (PL_op->op_flags & OPf_REF) {
2494 if (PL_op->op_type == OP_LSTAT && ckWARN(WARN_IO))
2495 Perl_warner(aTHX_ WARN_IO,
2496 "lstat() on filehandle %s", GvENAME(tmpgv));
2498 if (tmpgv != PL_defgv) {
2499 PL_laststype = OP_STAT;
2501 sv_setpv(PL_statname, "");
2502 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2503 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2505 if (PL_laststatval < 0) {
2506 if (ckWARN(WARN_UNOPENED))
2507 Perl_warner(aTHX_ WARN_UNOPENED, "%s() on unopened filehandle %s",
2508 PL_op_desc[PL_op->op_type], GvENAME(tmpgv));
2514 if (SvTYPE(sv) == SVt_PVGV) {
2518 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2519 tmpgv = (GV*)SvRV(sv);
2522 sv_setpv(PL_statname, SvPV(sv,n_a));
2525 PL_laststype = PL_op->op_type;
2526 if (PL_op->op_type == OP_LSTAT)
2527 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2530 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2531 if (PL_laststatval < 0) {
2532 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2533 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2539 if (gimme != G_ARRAY) {
2540 if (gimme != G_VOID)
2541 XPUSHs(boolSV(max));
2547 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2548 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2549 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2550 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2551 #if Uid_t_size > IVSIZE
2552 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2554 # if Uid_t_sign <= 0
2555 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2557 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2560 #if Gid_t_size > IVSIZE
2561 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2563 # if Gid_t_sign <= 0
2564 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2566 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2569 #ifdef USE_STAT_RDEV
2570 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2572 PUSHs(sv_2mortal(newSVpvn("", 0)));
2574 #if Off_t_size > IVSIZE
2575 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2577 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2580 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2581 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2582 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2584 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2585 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2586 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2588 #ifdef USE_STAT_BLOCKS
2589 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2590 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2592 PUSHs(sv_2mortal(newSVpvn("", 0)));
2593 PUSHs(sv_2mortal(newSVpvn("", 0)));
2603 #if defined(HAS_ACCESS) && defined(R_OK)
2605 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2606 result = access(TOPpx, R_OK);
2621 if (cando(S_IRUSR, 0, &PL_statcache))
2630 #if defined(HAS_ACCESS) && defined(W_OK)
2632 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2633 result = access(TOPpx, W_OK);
2648 if (cando(S_IWUSR, 0, &PL_statcache))
2657 #if defined(HAS_ACCESS) && defined(X_OK)
2659 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2660 result = access(TOPpx, X_OK);
2675 if (cando(S_IXUSR, 0, &PL_statcache))
2684 #ifdef PERL_EFF_ACCESS_R_OK
2686 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2687 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2702 if (cando(S_IRUSR, 1, &PL_statcache))
2711 #ifdef PERL_EFF_ACCESS_W_OK
2713 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2714 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2729 if (cando(S_IWUSR, 1, &PL_statcache))
2738 #ifdef PERL_EFF_ACCESS_X_OK
2740 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2741 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2756 if (cando(S_IXUSR, 1, &PL_statcache))
2763 I32 result = my_stat();
2772 return pp_ftrowned();
2777 I32 result = my_stat();
2781 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2789 I32 result = my_stat();
2793 if (PL_statcache.st_size == 0)
2800 I32 result = my_stat();
2804 #if Off_t_size > IVSIZE
2805 PUSHn(PL_statcache.st_size);
2807 PUSHi(PL_statcache.st_size);
2814 I32 result = my_stat();
2818 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2824 I32 result = my_stat();
2828 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2834 I32 result = my_stat();
2838 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2844 I32 result = my_stat();
2848 if (S_ISSOCK(PL_statcache.st_mode))
2855 I32 result = my_stat();
2859 if (S_ISCHR(PL_statcache.st_mode))
2866 I32 result = my_stat();
2870 if (S_ISBLK(PL_statcache.st_mode))
2877 I32 result = my_stat();
2881 if (S_ISREG(PL_statcache.st_mode))
2888 I32 result = my_stat();
2892 if (S_ISDIR(PL_statcache.st_mode))
2899 I32 result = my_stat();
2903 if (S_ISFIFO(PL_statcache.st_mode))
2910 I32 result = my_lstat();
2914 if (S_ISLNK(PL_statcache.st_mode))
2923 I32 result = my_stat();
2927 if (PL_statcache.st_mode & S_ISUID)
2937 I32 result = my_stat();
2941 if (PL_statcache.st_mode & S_ISGID)
2951 I32 result = my_stat();
2955 if (PL_statcache.st_mode & S_ISVTX)
2966 char *tmps = Nullch;
2969 if (PL_op->op_flags & OPf_REF)
2971 else if (isGV(TOPs))
2973 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2974 gv = (GV*)SvRV(POPs);
2976 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2978 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2979 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2980 else if (tmps && isDIGIT(*tmps))
2984 if (PerlLIO_isatty(fd))
2989 #if defined(atarist) /* this will work with atariST. Configure will
2990 make guesses for other systems. */
2991 # define FILE_base(f) ((f)->_base)
2992 # define FILE_ptr(f) ((f)->_ptr)
2993 # define FILE_cnt(f) ((f)->_cnt)
2994 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3004 register STDCHAR *s;
3011 if (PL_op->op_flags & OPf_REF)
3013 else if (isGV(TOPs))
3015 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3016 gv = (GV*)SvRV(POPs);
3022 if (gv == PL_defgv) {
3024 io = GvIO(PL_statgv);
3027 goto really_filename;
3032 PL_laststatval = -1;
3033 sv_setpv(PL_statname, "");
3034 io = GvIO(PL_statgv);
3036 if (io && IoIFP(io)) {
3037 if (! PerlIO_has_base(IoIFP(io)))
3038 DIE(aTHX_ "-T and -B not implemented on filehandles");
3039 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3040 if (PL_laststatval < 0)
3042 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3043 if (PL_op->op_type == OP_FTTEXT)
3047 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3048 i = PerlIO_getc(IoIFP(io));
3050 (void)PerlIO_ungetc(IoIFP(io),i);
3052 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3054 len = PerlIO_get_bufsiz(IoIFP(io));
3055 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3056 /* sfio can have large buffers - limit to 512 */
3061 if (ckWARN(WARN_UNOPENED)) {
3063 Perl_warner(aTHX_ WARN_UNOPENED, "%s on unopened filehandle %s",
3064 PL_op_desc[PL_op->op_type], GvENAME(gv));
3066 SETERRNO(EBADF,RMS$_IFI);
3074 PL_laststatval = -1;
3075 sv_setpv(PL_statname, SvPV(sv, n_a));
3076 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3077 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3078 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3081 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3082 if (PL_laststatval < 0) {
3083 (void)PerlIO_close(fp);
3086 do_binmode(fp, '<', O_BINARY);
3087 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3088 (void)PerlIO_close(fp);
3090 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3091 RETPUSHNO; /* special case NFS directories */
3092 RETPUSHYES; /* null file is anything */
3097 /* now scan s to look for textiness */
3098 /* XXX ASCII dependent code */
3100 #if defined(DOSISH) || defined(USEMYBINMODE)
3101 /* ignore trailing ^Z on short files */
3102 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3106 for (i = 0; i < len; i++, s++) {
3107 if (!*s) { /* null never allowed in text */
3112 else if (!(isPRINT(*s) || isSPACE(*s)))
3115 else if (*s & 128) {
3117 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3120 /* utf8 characters don't count as odd */
3122 int ulen = UTF8SKIP(s);
3123 if (ulen < len - i) {
3125 for (j = 1; j < ulen; j++) {
3126 if ((s[j] & 0xc0) != 0x80)
3129 --ulen; /* loop does extra increment */
3139 *s != '\n' && *s != '\r' && *s != '\b' &&
3140 *s != '\t' && *s != '\f' && *s != 27)
3145 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3169 if (!tmps || !*tmps) {
3170 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3172 tmps = SvPV(*svp, n_a);
3174 if (!tmps || !*tmps) {
3175 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3177 tmps = SvPV(*svp, n_a);
3180 if (!tmps || !*tmps) {
3181 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3183 tmps = SvPV(*svp, n_a);
3186 TAINT_PROPER("chdir");
3187 PUSHi( PerlDir_chdir(tmps) >= 0 );
3189 /* Clear the DEFAULT element of ENV so we'll get the new value
3191 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3198 djSP; dMARK; dTARGET;
3201 value = (I32)apply(PL_op->op_type, MARK, SP);
3206 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3217 TAINT_PROPER("chroot");
3218 PUSHi( chroot(tmps) >= 0 );
3221 DIE(aTHX_ PL_no_func, "chroot");
3227 djSP; dMARK; dTARGET;
3229 value = (I32)apply(PL_op->op_type, MARK, SP);
3237 djSP; dMARK; dTARGET;
3239 value = (I32)apply(PL_op->op_type, MARK, SP);
3247 djSP; dMARK; dTARGET;
3249 value = (I32)apply(PL_op->op_type, MARK, SP);
3261 char *tmps2 = POPpx;
3262 char *tmps = SvPV(TOPs, n_a);
3263 TAINT_PROPER("rename");
3265 anum = PerlLIO_rename(tmps, tmps2);
3267 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3268 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3271 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3272 (void)UNLINK(tmps2);
3273 if (!(anum = link(tmps, tmps2)))
3274 anum = UNLINK(tmps);
3287 char *tmps2 = POPpx;
3288 char *tmps = SvPV(TOPs, n_a);
3289 TAINT_PROPER("link");
3290 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3292 DIE(aTHX_ PL_no_func, "Unsupported function link");
3302 char *tmps2 = POPpx;
3303 char *tmps = SvPV(TOPs, n_a);
3304 TAINT_PROPER("symlink");
3305 SETi( symlink(tmps, tmps2) >= 0 );
3308 DIE(aTHX_ PL_no_func, "symlink");
3317 char buf[MAXPATHLEN];
3321 #ifndef INCOMPLETE_TAINTS
3325 len = readlink(tmps, buf, sizeof buf);
3333 RETSETUNDEF; /* just pretend it's a normal file */
3337 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3339 S_dooneliner(pTHX_ char *cmd, char *filename)
3341 char *save_filename = filename;
3347 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3348 strcpy(cmdline, cmd);
3349 strcat(cmdline, " ");
3350 for (s = cmdline + strlen(cmdline); *filename; ) {
3355 myfp = PerlProc_popen(cmdline, "r");
3359 SV *tmpsv = sv_newmortal();
3360 /* Need to save/restore 'PL_rs' ?? */
3361 s = sv_gets(tmpsv, myfp, 0);
3362 (void)PerlProc_pclose(myfp);
3366 #ifdef HAS_SYS_ERRLIST
3371 /* you don't see this */
3373 #ifdef HAS_SYS_ERRLIST
3381 if (instr(s, errmsg)) {
3388 #define EACCES EPERM
3390 if (instr(s, "cannot make"))
3391 SETERRNO(EEXIST,RMS$_FEX);
3392 else if (instr(s, "existing file"))
3393 SETERRNO(EEXIST,RMS$_FEX);
3394 else if (instr(s, "ile exists"))
3395 SETERRNO(EEXIST,RMS$_FEX);
3396 else if (instr(s, "non-exist"))
3397 SETERRNO(ENOENT,RMS$_FNF);
3398 else if (instr(s, "does not exist"))
3399 SETERRNO(ENOENT,RMS$_FNF);
3400 else if (instr(s, "not empty"))
3401 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3402 else if (instr(s, "cannot access"))
3403 SETERRNO(EACCES,RMS$_PRV);
3405 SETERRNO(EPERM,RMS$_PRV);
3408 else { /* some mkdirs return no failure indication */
3409 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3410 if (PL_op->op_type == OP_RMDIR)
3415 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3439 tmps = SvPV(TOPs, n_a);
3441 TAINT_PROPER("mkdir");
3443 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3445 SETi( dooneliner("mkdir", tmps) );
3446 oldumask = PerlLIO_umask(0);
3447 PerlLIO_umask(oldumask);
3448 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3460 TAINT_PROPER("rmdir");
3462 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3464 XPUSHi( dooneliner("rmdir", tmps) );
3469 /* Directory calls. */
3474 #if defined(Direntry_t) && defined(HAS_READDIR)
3476 char *dirname = POPpx;
3478 register IO *io = GvIOn(gv);
3484 PerlDir_close(IoDIRP(io));
3485 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3491 SETERRNO(EBADF,RMS$_DIR);
3494 DIE(aTHX_ PL_no_dir_func, "opendir");
3501 #if defined(Direntry_t) && defined(HAS_READDIR)
3503 Direntry_t *readdir (DIR *);
3505 register Direntry_t *dp;
3507 register IO *io = GvIOn(gv);
3510 if (!io || !IoDIRP(io))
3513 if (GIMME == G_ARRAY) {
3515 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3517 sv = newSVpvn(dp->d_name, dp->d_namlen);
3519 sv = newSVpv(dp->d_name, 0);
3521 #ifndef INCOMPLETE_TAINTS
3522 if (!(IoFLAGS(io) & IOf_UNTAINT))
3525 XPUSHs(sv_2mortal(sv));
3529 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3532 sv = newSVpvn(dp->d_name, dp->d_namlen);
3534 sv = newSVpv(dp->d_name, 0);
3536 #ifndef INCOMPLETE_TAINTS
3537 if (!(IoFLAGS(io) & IOf_UNTAINT))
3540 XPUSHs(sv_2mortal(sv));
3546 SETERRNO(EBADF,RMS$_ISI);
3547 if (GIMME == G_ARRAY)
3552 DIE(aTHX_ PL_no_dir_func, "readdir");
3559 #if defined(HAS_TELLDIR) || defined(telldir)
3560 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3561 /* XXX netbsd still seemed to.
3562 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3563 --JHI 1999-Feb-02 */
3564 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3565 long telldir (DIR *);
3568 register IO *io = GvIOn(gv);
3570 if (!io || !IoDIRP(io))
3573 PUSHi( PerlDir_tell(IoDIRP(io)) );
3577 SETERRNO(EBADF,RMS$_ISI);
3580 DIE(aTHX_ PL_no_dir_func, "telldir");
3587 #if defined(HAS_SEEKDIR) || defined(seekdir)
3590 register IO *io = GvIOn(gv);
3592 if (!io || !IoDIRP(io))
3595 (void)PerlDir_seek(IoDIRP(io), along);
3600 SETERRNO(EBADF,RMS$_ISI);
3603 DIE(aTHX_ PL_no_dir_func, "seekdir");
3610 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3612 register IO *io = GvIOn(gv);
3614 if (!io || !IoDIRP(io))
3617 (void)PerlDir_rewind(IoDIRP(io));
3621 SETERRNO(EBADF,RMS$_ISI);
3624 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3631 #if defined(Direntry_t) && defined(HAS_READDIR)
3633 register IO *io = GvIOn(gv);
3635 if (!io || !IoDIRP(io))
3638 #ifdef VOID_CLOSEDIR
3639 PerlDir_close(IoDIRP(io));
3641 if (PerlDir_close(IoDIRP(io)) < 0) {
3642 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3651 SETERRNO(EBADF,RMS$_IFI);
3654 DIE(aTHX_ PL_no_dir_func, "closedir");
3658 /* Process control. */
3668 PERL_FLUSHALL_FOR_CHILD;
3674 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3675 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3676 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3681 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3686 PERL_FLUSHALL_FOR_CHILD;
3687 childpid = PerlProc_fork();
3693 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3700 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3705 childpid = wait4pid(-1, &argflags, 0);
3706 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3710 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3716 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3724 childpid = wait4pid(childpid, &argflags, optype);
3725 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3729 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3735 djSP; dMARK; dORIGMARK; dTARGET;
3740 Sigsave_t ihand,qhand; /* place to save signals during system() */
3745 if (SP - MARK == 1) {
3747 char *junk = SvPV(TOPs, n_a);
3749 TAINT_PROPER("system");
3752 PERL_FLUSHALL_FOR_CHILD;
3753 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3754 if (PerlProc_pipe(pp) >= 0)
3756 while ((childpid = vfork()) == -1) {
3757 if (errno != EAGAIN) {
3762 PerlLIO_close(pp[0]);
3763 PerlLIO_close(pp[1]);
3771 PerlLIO_close(pp[1]);
3773 rsignal_save(SIGINT, SIG_IGN, &ihand);
3774 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3777 result = wait4pid(childpid, &status, 0);
3778 } while (result == -1 && errno == EINTR);
3780 (void)rsignal_restore(SIGINT, &ihand);
3781 (void)rsignal_restore(SIGQUIT, &qhand);
3783 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3784 do_execfree(); /* free any memory child malloced on vfork */
3790 while (n < sizeof(int)) {
3791 n1 = PerlLIO_read(pp[0],
3792 (void*)(((char*)&errkid)+n),
3798 PerlLIO_close(pp[0]);
3799 if (n) { /* Error */
3800 if (n != sizeof(int))
3801 DIE(aTHX_ "panic: kid popen errno read");
3802 errno = errkid; /* Propagate errno from kid */
3803 STATUS_CURRENT = -1;
3806 PUSHi(STATUS_CURRENT);
3810 PerlLIO_close(pp[0]);
3811 #if defined(HAS_FCNTL) && defined(F_SETFD)
3812 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3815 if (PL_op->op_flags & OPf_STACKED) {
3816 SV *really = *++MARK;
3817 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3819 else if (SP - MARK != 1)
3820 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3822 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3825 #else /* ! FORK or VMS or OS/2 */
3826 if (PL_op->op_flags & OPf_STACKED) {
3827 SV *really = *++MARK;
3828 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3830 else if (SP - MARK != 1)
3831 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3833 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3835 STATUS_NATIVE_SET(value);
3838 PUSHi(STATUS_CURRENT);
3839 #endif /* !FORK or VMS */
3845 djSP; dMARK; dORIGMARK; dTARGET;
3849 PERL_FLUSHALL_FOR_CHILD;
3850 if (PL_op->op_flags & OPf_STACKED) {
3851 SV *really = *++MARK;
3852 value = (I32)do_aexec(really, MARK, SP);
3854 else if (SP - MARK != 1)
3856 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3860 (void ) do_aspawn(Nullsv, MARK, SP);
3864 value = (I32)do_aexec(Nullsv, MARK, SP);
3869 char *junk = SvPV(*SP, n_a);
3871 TAINT_PROPER("exec");
3874 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3877 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3880 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3885 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3897 djSP; dMARK; dTARGET;
3900 value = (I32)apply(PL_op->op_type, MARK, SP);
3905 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3913 XPUSHi( getppid() );
3916 DIE(aTHX_ PL_no_func, "getppid");
3932 pgrp = (I32)BSD_GETPGRP(pid);
3934 if (pid != 0 && pid != PerlProc_getpid())
3935 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3941 DIE(aTHX_ PL_no_func, "getpgrp()");
3960 TAINT_PROPER("setpgrp");
3962 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3964 if ((pgrp != 0 && pgrp != PerlProc_getpid())
3965 || (pid != 0 && pid != PerlProc_getpid()))
3967 DIE(aTHX_ "setpgrp can't take arguments");
3969 SETi( setpgrp() >= 0 );
3970 #endif /* USE_BSDPGRP */
3973 DIE(aTHX_ PL_no_func, "setpgrp()");
3982 #ifdef HAS_GETPRIORITY
3985 SETi( getpriority(which, who) );
3988 DIE(aTHX_ PL_no_func, "getpriority()");
3998 #ifdef HAS_SETPRIORITY
4002 TAINT_PROPER("setpriority");
4003 SETi( setpriority(which, who, niceval) >= 0 );
4006 DIE(aTHX_ PL_no_func, "setpriority()");
4016 XPUSHn( time(Null(Time_t*)) );
4018 XPUSHi( time(Null(Time_t*)) );
4023 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4024 to HZ. Probably. For now, assume that if the system
4025 defines HZ, it does so correctly. (Will this break
4027 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4028 it's supported. --AD 9/96.
4044 DIE(aTHX_ "times not implemented");
4049 (void)PerlProc_times(&PL_timesbuf);
4051 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4052 /* struct tms, though same data */
4056 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4057 if (GIMME == G_ARRAY) {
4058 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4059 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4060 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4063 #endif /* HAS_TIMES */
4076 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4077 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4078 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4084 when = (Time_t)SvNVx(POPs);
4086 when = (Time_t)SvIVx(POPs);
4089 if (PL_op->op_type == OP_LOCALTIME)
4090 tmbuf = localtime(&when);
4092 tmbuf = gmtime(&when);
4096 if (GIMME != G_ARRAY) {
4100 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4101 dayname[tmbuf->tm_wday],
4102 monname[tmbuf->tm_mon],
4107 tmbuf->tm_year + 1900);
4108 PUSHs(sv_2mortal(tsv));
4111 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4112 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4113 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4114 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4115 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4116 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4117 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4118 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4119 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4130 anum = alarm((unsigned int)anum);
4137 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4148 (void)time(&lasttime);
4153 PerlProc_sleep((unsigned int)duration);
4156 XPUSHi(when - lasttime);
4160 /* Shared memory. */
4174 return pp_shmwrite();
4179 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4180 djSP; dMARK; dTARGET;
4181 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4190 /* Message passing. */
4204 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4205 djSP; dMARK; dTARGET;
4206 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4217 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4218 djSP; dMARK; dTARGET;
4219 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4232 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4233 djSP; dMARK; dTARGET;
4234 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4241 DIE(aTHX_ "System V IPC is not implemented on this machine");
4247 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4248 djSP; dMARK; dTARGET;
4249 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4257 PUSHp(zero_but_true, ZBTLEN);
4267 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4268 djSP; dMARK; dTARGET;
4269 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4278 /* Get system info. */
4282 #ifdef HAS_GETHOSTBYNAME
4283 return pp_ghostent();
4285 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4291 #ifdef HAS_GETHOSTBYADDR
4292 return pp_ghostent();
4294 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4301 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4302 I32 which = PL_op->op_type;
4303 register char **elem;
4305 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4306 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4307 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4308 struct hostent *PerlSock_gethostent(void);
4310 struct hostent *hent;
4315 if (which == OP_GHBYNAME)
4316 #ifdef HAS_GETHOSTBYNAME
4317 hent = PerlSock_gethostbyname(POPpx);
4319 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4321 else if (which == OP_GHBYADDR) {
4322 #ifdef HAS_GETHOSTBYADDR
4323 int addrtype = POPi;
4326 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4328 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4330 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4334 #ifdef HAS_GETHOSTENT
4335 hent = PerlSock_gethostent();
4337 DIE(aTHX_ PL_no_sock_func, "gethostent");
4340 #ifdef HOST_NOT_FOUND
4342 STATUS_NATIVE_SET(h_errno);
4345 if (GIMME != G_ARRAY) {
4346 PUSHs(sv = sv_newmortal());
4348 if (which == OP_GHBYNAME) {
4350 sv_setpvn(sv, hent->h_addr, hent->h_length);
4353 sv_setpv(sv, (char*)hent->h_name);
4359 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4360 sv_setpv(sv, (char*)hent->h_name);
4361 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4362 for (elem = hent->h_aliases; elem && *elem; elem++) {
4363 sv_catpv(sv, *elem);
4365 sv_catpvn(sv, " ", 1);
4367 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4368 sv_setiv(sv, (IV)hent->h_addrtype);
4369 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4370 len = hent->h_length;
4371 sv_setiv(sv, (IV)len);
4373 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4374 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4375 sv_setpvn(sv, *elem, len);
4378 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4380 sv_setpvn(sv, hent->h_addr, len);
4385 DIE(aTHX_ PL_no_sock_func, "gethostent");
4391 #ifdef HAS_GETNETBYNAME
4392 return pp_gnetent();
4394 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4400 #ifdef HAS_GETNETBYADDR
4401 return pp_gnetent();
4403 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4410 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4411 I32 which = PL_op->op_type;
4412 register char **elem;
4414 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4415 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4416 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4417 struct netent *PerlSock_getnetent(void);
4419 struct netent *nent;
4422 if (which == OP_GNBYNAME)
4423 #ifdef HAS_GETNETBYNAME
4424 nent = PerlSock_getnetbyname(POPpx);
4426 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4428 else if (which == OP_GNBYADDR) {
4429 #ifdef HAS_GETNETBYADDR
4430 int addrtype = POPi;
4431 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4432 nent = PerlSock_getnetbyaddr(addr, addrtype);
4434 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4438 #ifdef HAS_GETNETENT
4439 nent = PerlSock_getnetent();
4441 DIE(aTHX_ PL_no_sock_func, "getnetent");
4445 if (GIMME != G_ARRAY) {
4446 PUSHs(sv = sv_newmortal());
4448 if (which == OP_GNBYNAME)
4449 sv_setiv(sv, (IV)nent->n_net);
4451 sv_setpv(sv, nent->n_name);
4457 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4458 sv_setpv(sv, nent->n_name);
4459 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4460 for (elem = nent->n_aliases; elem && *elem; elem++) {
4461 sv_catpv(sv, *elem);
4463 sv_catpvn(sv, " ", 1);
4465 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4466 sv_setiv(sv, (IV)nent->n_addrtype);
4467 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4468 sv_setiv(sv, (IV)nent->n_net);
4473 DIE(aTHX_ PL_no_sock_func, "getnetent");
4479 #ifdef HAS_GETPROTOBYNAME
4480 return pp_gprotoent();
4482 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4488 #ifdef HAS_GETPROTOBYNUMBER
4489 return pp_gprotoent();
4491 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4498 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4499 I32 which = PL_op->op_type;
4500 register char **elem;
4502 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4503 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4504 struct protoent *PerlSock_getprotobynumber(int);
4505 struct protoent *PerlSock_getprotoent(void);
4507 struct protoent *pent;
4510 if (which == OP_GPBYNAME)
4511 #ifdef HAS_GETPROTOBYNAME
4512 pent = PerlSock_getprotobyname(POPpx);
4514 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4516 else if (which == OP_GPBYNUMBER)
4517 #ifdef HAS_GETPROTOBYNUMBER
4518 pent = PerlSock_getprotobynumber(POPi);
4520 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4523 #ifdef HAS_GETPROTOENT
4524 pent = PerlSock_getprotoent();
4526 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4530 if (GIMME != G_ARRAY) {
4531 PUSHs(sv = sv_newmortal());
4533 if (which == OP_GPBYNAME)
4534 sv_setiv(sv, (IV)pent->p_proto);
4536 sv_setpv(sv, pent->p_name);
4542 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4543 sv_setpv(sv, pent->p_name);
4544 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4545 for (elem = pent->p_aliases; elem && *elem; elem++) {
4546 sv_catpv(sv, *elem);
4548 sv_catpvn(sv, " ", 1);
4550 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4551 sv_setiv(sv, (IV)pent->p_proto);
4556 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4562 #ifdef HAS_GETSERVBYNAME
4563 return pp_gservent();
4565 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4571 #ifdef HAS_GETSERVBYPORT
4572 return pp_gservent();
4574 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4581 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4582 I32 which = PL_op->op_type;
4583 register char **elem;
4585 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4586 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4587 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4588 struct servent *PerlSock_getservent(void);
4590 struct servent *sent;
4593 if (which == OP_GSBYNAME) {
4594 #ifdef HAS_GETSERVBYNAME
4595 char *proto = POPpx;
4598 if (proto && !*proto)
4601 sent = PerlSock_getservbyname(name, proto);
4603 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4606 else if (which == OP_GSBYPORT) {
4607 #ifdef HAS_GETSERVBYPORT
4608 char *proto = POPpx;
4609 unsigned short port = POPu;
4612 port = PerlSock_htons(port);
4614 sent = PerlSock_getservbyport(port, proto);
4616 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4620 #ifdef HAS_GETSERVENT
4621 sent = PerlSock_getservent();
4623 DIE(aTHX_ PL_no_sock_func, "getservent");
4627 if (GIMME != G_ARRAY) {
4628 PUSHs(sv = sv_newmortal());
4630 if (which == OP_GSBYNAME) {
4632 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4634 sv_setiv(sv, (IV)(sent->s_port));
4638 sv_setpv(sv, sent->s_name);
4644 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4645 sv_setpv(sv, sent->s_name);
4646 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4647 for (elem = sent->s_aliases; elem && *elem; elem++) {
4648 sv_catpv(sv, *elem);
4650 sv_catpvn(sv, " ", 1);
4652 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4654 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4656 sv_setiv(sv, (IV)(sent->s_port));
4658 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4659 sv_setpv(sv, sent->s_proto);
4664 DIE(aTHX_ PL_no_sock_func, "getservent");
4671 #ifdef HAS_SETHOSTENT
4672 PerlSock_sethostent(TOPi);
4675 DIE(aTHX_ PL_no_sock_func, "sethostent");
4682 #ifdef HAS_SETNETENT
4683 PerlSock_setnetent(TOPi);
4686 DIE(aTHX_ PL_no_sock_func, "setnetent");
4693 #ifdef HAS_SETPROTOENT
4694 PerlSock_setprotoent(TOPi);
4697 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4704 #ifdef HAS_SETSERVENT
4705 PerlSock_setservent(TOPi);
4708 DIE(aTHX_ PL_no_sock_func, "setservent");
4715 #ifdef HAS_ENDHOSTENT
4716 PerlSock_endhostent();
4720 DIE(aTHX_ PL_no_sock_func, "endhostent");
4727 #ifdef HAS_ENDNETENT
4728 PerlSock_endnetent();
4732 DIE(aTHX_ PL_no_sock_func, "endnetent");
4739 #ifdef HAS_ENDPROTOENT
4740 PerlSock_endprotoent();
4744 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4751 #ifdef HAS_ENDSERVENT
4752 PerlSock_endservent();
4756 DIE(aTHX_ PL_no_sock_func, "endservent");
4765 DIE(aTHX_ PL_no_func, "getpwnam");
4774 DIE(aTHX_ PL_no_func, "getpwuid");
4782 I32 which = PL_op->op_type;
4785 struct passwd *pwent = NULL;
4787 * We currently support only the SysV getsp* shadow password interface.
4788 * The interface is declared in <shadow.h> and often one needs to link
4789 * with -lsecurity or some such.
4790 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
4793 * AIX getpwnam() is clever enough to return the encrypted password
4794 * only if the caller (euid?) is root.
4796 * There are at least two other shadow password APIs. Many platforms
4797 * seem to contain more than one interface for accessing the shadow
4798 * password databases, possibly for compatibility reasons.
4799 * The getsp*() is by far he simplest one, the other two interfaces
4800 * are much more complicated, but also very similar to each other.
4805 * struct pr_passwd *getprpw*();
4806 * The password is in
4807 * char getprpw*(...).ufld.fd_encrypt[]
4808 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
4813 * struct es_passwd *getespw*();
4814 * The password is in
4815 * char *(getespw*(...).ufld.fd_encrypt)
4816 * Mention HAS_GETESPWNAM here so that Configure probes for it.
4818 * Mention I_PROT here so that Configure probes for it.
4820 * In HP-UX for getprpw*() the manual page claims that one should include
4821 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
4822 * if one includes <shadow.h> as that includes <hpsecurity.h>,
4823 * and pp_sys.c already includes <shadow.h> if there is such.
4825 * Note that <sys/security.h> is already probed for, but currently
4826 * it is only included in special cases.
4828 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
4829 * be preferred interface, even though also the getprpw*() interface
4830 * is available) one needs to link with -lsecurity -ldb -laud -lm.
4831 * One also needs to call set_auth_parameters() in main() before
4832 * doing anything else, whether one is using getespw*() or getprpw*().
4834 * Note that accessing the shadow databases can be magnitudes
4835 * slower than accessing the standard databases.
4842 pwent = getpwnam(POPpx);
4845 pwent = getpwuid((Uid_t)POPi);
4848 # ifdef HAS_GETPWENT
4851 DIE(aTHX_ PL_no_func, "getpwent");
4857 if (GIMME != G_ARRAY) {
4858 PUSHs(sv = sv_newmortal());
4860 if (which == OP_GPWNAM)
4861 # if Uid_t_sign <= 0
4862 sv_setiv(sv, (IV)pwent->pw_uid);
4864 sv_setuv(sv, (UV)pwent->pw_uid);
4867 sv_setpv(sv, pwent->pw_name);
4873 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4874 sv_setpv(sv, pwent->pw_name);
4876 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4878 /* If we have getspnam(), we try to dig up the shadow
4879 * password. If we are underprivileged, the shadow
4880 * interface will set the errno to EACCES or similar,
4881 * and return a null pointer. If this happens, we will
4882 * use the dummy password (usually "*" or "x") from the
4883 * standard password database.
4885 * In theory we could skip the shadow call completely
4886 * if euid != 0 but in practice we cannot know which
4887 * security measures are guarding the shadow databases
4888 * on a random platform.
4890 * Resist the urge to use additional shadow interfaces.
4891 * Divert the urge to writing an extension instead.
4894 # ifdef HAS_GETSPNAM
4896 struct spwd *spwent;
4897 int saverrno; /* Save and restore errno so that
4898 * underprivileged attempts seem
4899 * to have never made the unsccessful
4900 * attempt to retrieve the shadow password. */
4903 spwent = getspnam(pwent->pw_name);
4905 if (spwent && spwent->sp_pwdp)
4906 sv_setpv(sv, spwent->sp_pwdp);
4909 if (!SvPOK(sv)) /* Use the standard password, then. */
4910 sv_setpv(sv, pwent->pw_passwd);
4912 # ifndef INCOMPLETE_TAINTS
4913 /* passwd is tainted because user himself can diddle with it.
4914 * admittedly not much and in a very limited way, but nevertheless. */
4918 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4919 # if Uid_t_sign <= 0
4920 sv_setiv(sv, (IV)pwent->pw_uid);
4922 sv_setuv(sv, (UV)pwent->pw_uid);
4925 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4926 # if Uid_t_sign <= 0
4927 sv_setiv(sv, (IV)pwent->pw_gid);
4929 sv_setuv(sv, (UV)pwent->pw_gid);
4931 /* pw_change, pw_quota, and pw_age are mutually exclusive--
4932 * because of the poor interface of the Perl getpw*(),
4933 * not because there's some standard/convention saying so.
4934 * A better interface would have been to return a hash,
4935 * but we are accursed by our history, alas. --jhi. */
4936 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4938 sv_setiv(sv, (IV)pwent->pw_change);
4941 sv_setiv(sv, (IV)pwent->pw_quota);
4944 sv_setpv(sv, pwent->pw_age);
4949 /* pw_class and pw_comment are mutually exclusive--.
4950 * see the above note for pw_change, pw_quota, and pw_age. */
4951 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4953 sv_setpv(sv, pwent->pw_class);
4956 sv_setpv(sv, pwent->pw_comment);
4960 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4962 sv_setpv(sv, pwent->pw_gecos);
4964 # ifndef INCOMPLETE_TAINTS
4965 /* pw_gecos is tainted because user himself can diddle with it. */
4969 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4970 sv_setpv(sv, pwent->pw_dir);
4972 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4973 sv_setpv(sv, pwent->pw_shell);
4974 # ifndef INCOMPLETE_TAINTS
4975 /* pw_shell is tainted because user himself can diddle with it. */
4980 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4981 sv_setiv(sv, (IV)pwent->pw_expire);
4986 DIE(aTHX_ PL_no_func, "getpwent");
4993 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
4997 DIE(aTHX_ PL_no_func, "setpwent");
5004 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5008 DIE(aTHX_ PL_no_func, "endpwent");
5017 DIE(aTHX_ PL_no_func, "getgrnam");
5026 DIE(aTHX_ PL_no_func, "getgrgid");
5034 I32 which = PL_op->op_type;
5035 register char **elem;
5037 struct group *grent;
5040 if (which == OP_GGRNAM)
5041 grent = (struct group *)getgrnam(POPpx);
5042 else if (which == OP_GGRGID)
5043 grent = (struct group *)getgrgid(POPi);
5046 grent = (struct group *)getgrent();
5048 DIE(aTHX_ PL_no_func, "getgrent");
5052 if (GIMME != G_ARRAY) {
5053 PUSHs(sv = sv_newmortal());
5055 if (which == OP_GGRNAM)
5056 sv_setiv(sv, (IV)grent->gr_gid);
5058 sv_setpv(sv, grent->gr_name);
5064 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5065 sv_setpv(sv, grent->gr_name);
5067 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5069 sv_setpv(sv, grent->gr_passwd);
5072 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5073 sv_setiv(sv, (IV)grent->gr_gid);
5075 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5076 for (elem = grent->gr_mem; elem && *elem; elem++) {
5077 sv_catpv(sv, *elem);
5079 sv_catpvn(sv, " ", 1);
5085 DIE(aTHX_ PL_no_func, "getgrent");
5092 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5096 DIE(aTHX_ PL_no_func, "setgrent");
5103 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5107 DIE(aTHX_ PL_no_func, "endgrent");
5117 if (!(tmps = PerlProc_getlogin()))
5119 PUSHp(tmps, strlen(tmps));
5122 DIE(aTHX_ PL_no_func, "getlogin");
5126 /* Miscellaneous. */
5131 djSP; dMARK; dORIGMARK; dTARGET;
5132 register I32 items = SP - MARK;
5133 unsigned long a[20];
5139 while (++MARK <= SP) {
5140 if (SvTAINTED(*MARK)) {
5146 TAINT_PROPER("syscall");
5149 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5150 * or where sizeof(long) != sizeof(char*). But such machines will
5151 * not likely have syscall implemented either, so who cares?
5153 while (++MARK <= SP) {
5154 if (SvNIOK(*MARK) || !i)
5155 a[i++] = SvIV(*MARK);
5156 else if (*MARK == &PL_sv_undef)
5159 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5165 DIE(aTHX_ "Too many args to syscall");
5167 DIE(aTHX_ "Too few args to syscall");
5169 retval = syscall(a[0]);
5172 retval = syscall(a[0],a[1]);
5175 retval = syscall(a[0],a[1],a[2]);
5178 retval = syscall(a[0],a[1],a[2],a[3]);
5181 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5184 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5187 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5190 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5194 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5197 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5200 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5204 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5208 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5212 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5213 a[10],a[11],a[12],a[13]);
5215 #endif /* atarist */
5221 DIE(aTHX_ PL_no_func, "syscall");
5225 #ifdef FCNTL_EMULATE_FLOCK
5227 /* XXX Emulate flock() with fcntl().
5228 What's really needed is a good file locking module.
5232 fcntl_emulate_flock(int fd, int operation)
5236 switch (operation & ~LOCK_NB) {
5238 flock.l_type = F_RDLCK;
5241 flock.l_type = F_WRLCK;
5244 flock.l_type = F_UNLCK;
5250 flock.l_whence = SEEK_SET;
5251 flock.l_start = flock.l_len = (Off_t)0;
5253 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5256 #endif /* FCNTL_EMULATE_FLOCK */
5258 #ifdef LOCKF_EMULATE_FLOCK
5260 /* XXX Emulate flock() with lockf(). This is just to increase
5261 portability of scripts. The calls are not completely
5262 interchangeable. What's really needed is a good file
5266 /* The lockf() constants might have been defined in <unistd.h>.
5267 Unfortunately, <unistd.h> causes troubles on some mixed
5268 (BSD/POSIX) systems, such as SunOS 4.1.3.
5270 Further, the lockf() constants aren't POSIX, so they might not be
5271 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5272 just stick in the SVID values and be done with it. Sigh.
5276 # define F_ULOCK 0 /* Unlock a previously locked region */
5279 # define F_LOCK 1 /* Lock a region for exclusive use */
5282 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5285 # define F_TEST 3 /* Test a region for other processes locks */
5289 lockf_emulate_flock(int fd, int operation)
5295 /* flock locks entire file so for lockf we need to do the same */
5297 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5298 if (pos > 0) /* is seekable and needs to be repositioned */
5299 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5300 pos = -1; /* seek failed, so don't seek back afterwards */
5303 switch (operation) {
5305 /* LOCK_SH - get a shared lock */
5307 /* LOCK_EX - get an exclusive lock */
5309 i = lockf (fd, F_LOCK, 0);
5312 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5313 case LOCK_SH|LOCK_NB:
5314 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5315 case LOCK_EX|LOCK_NB:
5316 i = lockf (fd, F_TLOCK, 0);
5318 if ((errno == EAGAIN) || (errno == EACCES))
5319 errno = EWOULDBLOCK;
5322 /* LOCK_UN - unlock (non-blocking is a no-op) */
5324 case LOCK_UN|LOCK_NB:
5325 i = lockf (fd, F_ULOCK, 0);
5328 /* Default - can't decipher operation */
5335 if (pos > 0) /* need to restore position of the handle */
5336 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5341 #endif /* LOCKF_EMULATE_FLOCK */