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)
60 # if !defined(INCLUDE_PROTOTYPES)
61 # define INCLUDE_PROTOTYPES /* for <socks.h> */
62 # define PERL_SOCKS_NEED_PROTOTYPES
65 # ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
66 # undef INCLUDE_PROTOTYPES
67 # undef PERL_SOCKS_NEED_PROTOTYPES
75 # include <net/errno.h>
82 #include <sys/select.h>
86 /* XXX Configure test needed.
87 h_errno might not be a simple 'int', especially for multi-threaded
88 applications, see "extern int errno in perl.h". Creating such
89 a test requires taking into account the differences between
90 compiling multithreaded and singlethreaded ($ccflags et al).
91 HOST_NOT_FOUND is typically defined in <netdb.h>.
93 #if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__)
101 struct passwd *getpwnam (char *);
102 struct passwd *getpwuid (Uid_t);
105 struct passwd *getpwent (void);
113 struct group *getgrnam (char *);
114 struct group *getgrgid (Gid_t);
117 struct group *getgrent (void);
122 # if defined(_MSC_VER) || defined(__MINGW32__)
123 # include <sys/utime.h>
129 /* Put this after #includes because fork and vfork prototypes may conflict. */
135 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
138 # define my_chsize PerlLIO_chsize
143 #else /* no flock() */
145 /* fcntl.h might not have been included, even if it exists, because
146 the current Configure only sets I_FCNTL if it's needed to pick up
147 the *_OK constants. Make sure it has been included before testing
148 the fcntl() locking constants. */
149 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
153 # if defined(HAS_FCNTL) && defined(FCNTL_CAN_LOCK)
154 # define FLOCK fcntl_emulate_flock
155 # define FCNTL_EMULATE_FLOCK
156 # else /* no flock() or fcntl(F_SETLK,...) */
158 # define FLOCK lockf_emulate_flock
159 # define LOCKF_EMULATE_FLOCK
161 # endif /* no flock() or fcntl(F_SETLK,...) */
164 static int FLOCK (int, int);
167 * These are the flock() constants. Since this sytems doesn't have
168 * flock(), the values of the constants are probably not available.
182 # endif /* emulating flock() */
184 #endif /* no flock() */
187 static char zero_but_true[ZBTLEN + 1] = "0 but true";
189 #if defined(I_SYS_ACCESS) && !defined(R_OK)
190 # include <sys/access.h>
193 #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC)
194 # define FD_CLOEXEC 1 /* NeXT needs this */
197 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
198 #undef PERL_EFF_ACCESS_W_OK
199 #undef PERL_EFF_ACCESS_X_OK
201 /* F_OK unused: if stat() cannot find it... */
203 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
204 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
205 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
206 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
207 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
210 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
211 # ifdef I_SYS_SECURITY
212 # include <sys/security.h>
216 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
217 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
218 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
221 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
222 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
223 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
227 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
229 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
230 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
231 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
234 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
235 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
236 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
239 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
241 Uid_t ruid = getuid();
242 Uid_t euid = geteuid();
243 Gid_t rgid = getgid();
244 Gid_t egid = getegid();
248 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
249 Perl_croak(aTHX_ "switching effective uid is not implemented");
252 if (setreuid(euid, ruid))
255 if (setresuid(euid, ruid, (Uid_t)-1))
258 Perl_croak(aTHX_ "entering effective uid failed");
261 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
262 Perl_croak(aTHX_ "switching effective gid is not implemented");
265 if (setregid(egid, rgid))
268 if (setresgid(egid, rgid, (Gid_t)-1))
271 Perl_croak(aTHX_ "entering effective gid failed");
274 res = access(path, mode);
277 if (setreuid(ruid, euid))
280 if (setresuid(ruid, euid, (Uid_t)-1))
283 Perl_croak(aTHX_ "leaving effective uid failed");
286 if (setregid(rgid, egid))
289 if (setresgid(rgid, egid, (Gid_t)-1))
292 Perl_croak(aTHX_ "leaving effective gid failed");
297 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
298 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
299 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
302 #if !defined(PERL_EFF_ACCESS_R_OK)
304 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
306 Perl_croak(aTHX_ "switching effective uid is not implemented");
322 if (PL_op->op_private & OPpOPEN_IN_RAW)
324 else if (PL_op->op_private & OPpOPEN_IN_CRLF)
326 fp = PerlProc_popen(tmps, mode);
328 if (gimme == G_VOID) {
330 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
334 else if (gimme == G_SCALAR) {
335 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
336 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
347 if (sv_gets(sv, fp, 0) == Nullch) {
351 XPUSHs(sv_2mortal(sv));
352 if (SvLEN(sv) - SvCUR(sv) > 20) {
353 SvLEN_set(sv, SvCUR(sv)+1);
354 Renew(SvPVX(sv), SvLEN(sv), char);
359 STATUS_NATIVE_SET(PerlProc_pclose(fp));
360 TAINT; /* "I believe that this is not gratuitous!" */
363 STATUS_NATIVE_SET(-1);
364 if (gimme == G_SCALAR)
374 tryAMAGICunTARGET(iter, -1);
376 /* Note that we only ever get here if File::Glob fails to load
377 * without at the same time croaking, for some reason, or if
378 * perl was built with PERL_EXTERNAL_GLOB */
385 * The external globbing program may use things we can't control,
386 * so for security reasons we must assume the worst.
389 taint_proper(PL_no_security, "glob");
393 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
394 PL_last_in_gv = (GV*)*PL_stack_sp--;
396 SAVESPTR(PL_rs); /* This is not permanent, either. */
397 PL_rs = sv_2mortal(newSVpvn("\000", 1));
400 *SvPVX(PL_rs) = '\n';
404 result = do_readline();
409 #if 0 /* XXX never used! */
413 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
414 return do_readline();
420 PL_last_in_gv = cGVOP_gv;
421 return do_readline();
430 if (SP - MARK != 1) {
432 do_join(TARG, &PL_sv_no, MARK, SP);
439 tmps = SvPV(tmpsv, len);
442 (void)SvUPGRADE(error, SVt_PV);
443 if (SvPOK(error) && SvCUR(error))
444 sv_catpv(error, "\t...caught");
446 tmps = SvPV(tmpsv, len);
449 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
451 Perl_warn(aTHX_ "%"SVf, tmpsv);
462 if (SP - MARK != 1) {
464 do_join(TARG, &PL_sv_no, MARK, SP);
466 tmps = SvPV(tmpsv, len);
472 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
476 (void)SvUPGRADE(error, SVt_PV);
477 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
479 SvSetSV(error,tmpsv);
480 else if (sv_isobject(error)) {
481 HV *stash = SvSTASH(SvRV(error));
482 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
484 SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0));
485 SV *line = sv_2mortal(newSVuv(CopLINE(PL_curcop)));
492 call_sv((SV*)GvCV(gv),
493 G_SCALAR|G_EVAL|G_KEEPERR);
494 sv_setsv(error,*PL_stack_sp--);
500 if (SvPOK(error) && SvCUR(error))
501 sv_catpv(error, "\t...propagated");
503 tmps = SvPV(tmpsv, len);
507 tmpsv = sv_2mortal(newSVpvn("Died", 4));
509 DIE(aTHX_ "%"SVf, tmpsv);
532 DIE(aTHX_ PL_no_usym, "filehandle");
537 DIE(aTHX_ PL_no_usym, "filehandle");
539 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
541 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
543 XPUSHs(SvTIED_obj((SV*)gv, mg));
549 call_method("OPEN", G_SCALAR);
555 tmps = SvPV(sv, len);
556 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
557 PUSHi( (I32)PL_forkprocess );
558 else if (PL_forkprocess == 0) /* we are a new child */
576 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
578 XPUSHs(SvTIED_obj((SV*)gv, mg));
581 call_method("CLOSE", G_SCALAR);
587 PUSHs(boolSV(do_close(gv, TRUE)));
607 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
608 DIE(aTHX_ PL_no_usym, "filehandle");
613 do_close(rgv, FALSE);
615 do_close(wgv, FALSE);
617 if (PerlProc_pipe(fd) < 0)
620 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
621 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
622 IoIFP(wstio) = IoOFP(wstio);
623 IoTYPE(rstio) = IoTYPE_RDONLY;
624 IoTYPE(wstio) = IoTYPE_WRONLY;
626 if (!IoIFP(rstio) || !IoOFP(wstio)) {
627 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
628 else PerlLIO_close(fd[0]);
629 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
630 else PerlLIO_close(fd[1]);
633 #if defined(HAS_FCNTL) && defined(F_SETFD)
634 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
635 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
642 DIE(aTHX_ PL_no_func, "pipe");
658 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
660 XPUSHs(SvTIED_obj((SV*)gv, mg));
663 call_method("FILENO", G_SCALAR);
669 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
671 PUSHi(PerlIO_fileno(fp));
682 anum = PerlLIO_umask(0);
683 (void)PerlLIO_umask(anum);
686 anum = PerlLIO_umask(POPi);
687 TAINT_PROPER("umask");
690 /* Only DIE if trying to restrict permissions on `user' (self).
691 * Otherwise it's harmless and more useful to just return undef
692 * since 'group' and 'other' concepts probably don't exist here. */
693 if (MAXARG >= 1 && (POPi & 0700))
694 DIE(aTHX_ "umask not implemented");
695 XPUSHs(&PL_sv_undef);
716 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
718 XPUSHs(SvTIED_obj((SV*)gv, mg));
723 call_method("BINMODE", G_SCALAR);
730 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
733 if (do_binmode(fp,IoTYPE(io),mode_from_discipline(discp)))
747 I32 markoff = MARK - PL_stack_base;
754 switch(SvTYPE(varsv)) {
756 methname = "TIEHASH";
759 methname = "TIEARRAY";
762 methname = "TIEHANDLE";
766 methname = "TIESCALAR";
771 if (sv_isobject(*MARK)) {
773 PUSHSTACKi(PERLSI_MAGIC);
779 call_method(methname, G_SCALAR);
782 /* Not clear why we don't call call_method here too.
783 * perhaps to get different error message ?
785 stash = gv_stashsv(*MARK, FALSE);
786 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
787 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
788 methname, SvPV(*MARK,n_a));
791 PUSHSTACKi(PERLSI_MAGIC);
797 call_sv((SV*)GvCV(gv), G_SCALAR);
803 if (sv_isobject(sv)) {
804 sv_unmagic(varsv, how);
805 /* Croak if a self-tie on an aggregate is attempted. */
806 if (varsv == SvRV(sv) &&
807 (SvTYPE(sv) == SVt_PVAV ||
808 SvTYPE(sv) == SVt_PVHV))
810 "Self-ties of arrays and hashes are not supported");
811 sv_magic(varsv, sv, how, Nullch, 0);
814 SP = PL_stack_base + markoff;
823 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
826 if ((mg = SvTIED_mg(sv, how))) {
827 SV *obj = SvRV(mg->mg_obj);
830 if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
831 isGV(gv) && (cv = GvCV(gv))) {
833 XPUSHs(SvTIED_obj((SV*)gv, mg));
834 XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
837 call_sv((SV *)cv, G_VOID);
841 else if (ckWARN(WARN_UNTIE)) {
842 if (mg && SvREFCNT(obj) > 1)
843 Perl_warner(aTHX_ WARN_UNTIE,
844 "untie attempted while %"UVuf" inner references still exist",
845 (UV)SvREFCNT(obj) - 1 ) ;
856 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
859 if ((mg = SvTIED_mg(sv, how))) {
860 SV *osv = SvTIED_obj(sv, mg);
861 if (osv == mg->mg_obj)
862 osv = sv_mortalcopy(osv);
880 sv = sv_mortalcopy(&PL_sv_no);
881 sv_setpv(sv, "AnyDBM_File");
882 stash = gv_stashsv(sv, FALSE);
883 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
885 require_pv("AnyDBM_File.pm");
887 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
888 DIE(aTHX_ "No dbm on this machine");
898 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
900 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
903 call_sv((SV*)GvCV(gv), G_SCALAR);
906 if (!sv_isobject(TOPs)) {
911 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
914 call_sv((SV*)GvCV(gv), G_SCALAR);
918 if (sv_isobject(TOPs)) {
919 sv_unmagic((SV *) hv, 'P');
920 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
942 struct timeval timebuf;
943 struct timeval *tbuf = &timebuf;
947 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
952 # if BYTEORDER & 0xf0000
953 # define ORDERBYTE (0x88888888 - BYTEORDER)
955 # define ORDERBYTE (0x4444 - BYTEORDER)
961 for (i = 1; i <= 3; i++) {
969 /* little endians can use vecs directly */
970 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
971 # if SELECT_MIN_BITS > 1
972 /* If SELECT_MIN_BITS is greater than one we most probably will want
973 * to align the sizes with SELECT_MIN_BITS/8 because for example
974 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
975 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
976 * on (sets/tests/clears bits) is 32 bits. */
977 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
979 growsize = sizeof(fd_set);
988 masksize = NFDBITS / NBBY;
990 masksize = sizeof(long); /* documented int, everyone seems to use long */
992 growsize = maxlen + (masksize - (maxlen % masksize));
993 Zero(&fd_sets[0], 4, char*);
1001 timebuf.tv_sec = (long)value;
1002 value -= (NV)timebuf.tv_sec;
1003 timebuf.tv_usec = (long)(value * 1000000.0);
1006 tbuf = Null(struct timeval*);
1008 for (i = 1; i <= 3; i++) {
1014 else if (!SvPOK(sv))
1015 SvPV_force(sv,n_a); /* force string conversion */
1018 Sv_Grow(sv, growsize);
1022 while (++j <= growsize) {
1026 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1028 New(403, fd_sets[i], growsize, char);
1029 for (offset = 0; offset < growsize; offset += masksize) {
1030 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1031 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1034 fd_sets[i] = SvPVX(sv);
1038 nfound = PerlSock_select(
1040 (Select_fd_set_t) fd_sets[1],
1041 (Select_fd_set_t) fd_sets[2],
1042 (Select_fd_set_t) fd_sets[3],
1044 for (i = 1; i <= 3; i++) {
1047 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1049 for (offset = 0; offset < growsize; offset += masksize) {
1050 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1051 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1053 Safefree(fd_sets[i]);
1060 if (GIMME == G_ARRAY && tbuf) {
1061 value = (NV)(timebuf.tv_sec) +
1062 (NV)(timebuf.tv_usec) / 1000000.0;
1063 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1064 sv_setnv(sv, value);
1068 DIE(aTHX_ "select not implemented");
1073 Perl_setdefout(pTHX_ GV *gv)
1077 (void)SvREFCNT_inc(gv);
1079 SvREFCNT_dec(PL_defoutgv);
1086 GV *newdefout, *egv;
1089 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1091 egv = GvEGV(PL_defoutgv);
1096 XPUSHs(&PL_sv_undef);
1098 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1099 if (gvp && *gvp == egv) {
1100 gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
1104 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1109 if (!GvIO(newdefout))
1110 gv_IOadd(newdefout);
1111 setdefout(newdefout);
1128 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1129 I32 gimme = GIMME_V;
1131 XPUSHs(SvTIED_obj((SV*)gv, mg));
1134 call_method("GETC", gimme);
1137 if (gimme == G_SCALAR)
1138 SvSetMagicSV_nosteal(TARG, TOPs);
1141 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1144 sv_setpv(TARG, " ");
1145 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1152 return pp_sysread();
1156 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1159 register PERL_CONTEXT *cx;
1160 I32 gimme = GIMME_V;
1161 AV* padlist = CvPADLIST(cv);
1162 SV** svp = AvARRAY(padlist);
1168 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1170 SAVEVPTR(PL_curpad);
1171 PL_curpad = AvARRAY((AV*)svp[1]);
1173 setdefout(gv); /* locally select filehandle so $% et al work */
1206 SV *tmpsv = sv_newmortal();
1207 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1208 name = SvPV_nolen(tmpsv);
1211 DIE(aTHX_ "Undefined format \"%s\" called", name);
1212 DIE(aTHX_ "Not a format reference");
1215 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1217 IoFLAGS(io) &= ~IOf_DIDTOP;
1218 return doform(cv,gv,PL_op->op_next);
1224 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1225 register IO *io = GvIOp(gv);
1226 PerlIO *ofp = IoOFP(io);
1230 register PERL_CONTEXT *cx;
1232 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1233 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1234 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1235 PL_formtarget != PL_toptarget)
1239 if (!IoTOP_GV(io)) {
1243 if (!IoTOP_NAME(io)) {
1244 if (!IoFMT_NAME(io))
1245 IoFMT_NAME(io) = savepv(GvNAME(gv));
1246 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1247 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1248 if ((topgv && GvFORM(topgv)) ||
1249 !gv_fetchpv("top",FALSE,SVt_PVFM))
1250 IoTOP_NAME(io) = savepv(SvPVX(topname));
1252 IoTOP_NAME(io) = savepv("top");
1254 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1255 if (!topgv || !GvFORM(topgv)) {
1256 IoLINES_LEFT(io) = 100000000;
1259 IoTOP_GV(io) = topgv;
1261 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1262 I32 lines = IoLINES_LEFT(io);
1263 char *s = SvPVX(PL_formtarget);
1264 if (lines <= 0) /* Yow, header didn't even fit!!! */
1266 while (lines-- > 0) {
1267 s = strchr(s, '\n');
1273 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1274 sv_chop(PL_formtarget, s);
1275 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1278 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1279 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1280 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1282 PL_formtarget = PL_toptarget;
1283 IoFLAGS(io) |= IOf_DIDTOP;
1286 DIE(aTHX_ "bad top format reference");
1291 SV *sv = sv_newmortal();
1292 gv_efullname4(sv, fgv, Nullch, FALSE);
1293 name = SvPV_nolen(sv);
1296 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1299 DIE(aTHX_ "Undefined top format called");
1303 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1304 return doform(cv,gv,PL_op);
1308 POPBLOCK(cx,PL_curpm);
1314 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1316 /* integrate with report_evil_fh()? */
1319 SV* sv = sv_newmortal();
1320 gv_efullname4(sv, gv, Nullch, FALSE);
1321 name = SvPV_nolen(sv);
1324 Perl_warner(aTHX_ WARN_IO,
1325 "Filehandle %s opened only for input", name);
1327 Perl_warner(aTHX_ WARN_IO,
1328 "Filehandle opened only for input");
1330 else if (ckWARN(WARN_CLOSED))
1331 report_evil_fh(gv, io, PL_op->op_type);
1336 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1337 if (ckWARN(WARN_IO))
1338 Perl_warner(aTHX_ WARN_IO, "page overflow");
1340 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1344 FmLINES(PL_formtarget) = 0;
1345 SvCUR_set(PL_formtarget, 0);
1346 *SvEND(PL_formtarget) = '\0';
1347 if (IoFLAGS(io) & IOf_FLUSH)
1348 (void)PerlIO_flush(fp);
1352 PL_formtarget = PL_bodytarget;
1354 return pop_return();
1359 djSP; dMARK; dORIGMARK;
1367 if (PL_op->op_flags & OPf_STACKED)
1372 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1373 if (MARK == ORIGMARK) {
1376 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1380 *MARK = SvTIED_obj((SV*)gv, mg);
1383 call_method("PRINTF", G_SCALAR);
1386 MARK = ORIGMARK + 1;
1393 if (!(io = GvIO(gv))) {
1395 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1396 report_evil_fh(gv, io, PL_op->op_type);
1397 SETERRNO(EBADF,RMS$_IFI);
1400 else if (!(fp = IoOFP(io))) {
1401 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1402 /* integrate with report_evil_fh()? */
1406 gv_efullname4(sv, gv, Nullch, FALSE);
1407 name = SvPV_nolen(sv);
1410 Perl_warner(aTHX_ WARN_IO,
1411 "Filehandle %s opened only for input", name);
1413 Perl_warner(aTHX_ WARN_IO,
1414 "Filehandle opened only for input");
1416 else if (ckWARN(WARN_CLOSED))
1417 report_evil_fh(gv, io, PL_op->op_type);
1419 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1423 do_sprintf(sv, SP - MARK, MARK + 1);
1424 if (!do_print(sv, fp))
1427 if (IoFLAGS(io) & IOf_FLUSH)
1428 if (PerlIO_flush(fp) == EOF)
1439 PUSHs(&PL_sv_undef);
1460 /* Need TIEHANDLE method ? */
1462 tmps = SvPV(sv, len);
1463 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1464 IoLINES(GvIOp(gv)) = 0;
1468 PUSHs(&PL_sv_undef);
1475 djSP; dMARK; dORIGMARK; dTARGET;
1481 Sock_size_t bufsize;
1487 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1488 (mg = SvTIED_mg((SV*)gv, 'q')))
1493 *MARK = SvTIED_obj((SV*)gv, mg);
1495 call_method("READ", G_SCALAR);
1508 sv_setpvn(bufsv, "", 0);
1509 buffer = SvPV_force(bufsv, blen);
1510 length = SvIVx(*++MARK);
1512 DIE(aTHX_ "Negative length");
1515 offset = SvIVx(*++MARK);
1519 if (!io || !IoIFP(io))
1522 if (PL_op->op_type == OP_RECV) {
1523 char namebuf[MAXPATHLEN];
1524 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1525 bufsize = sizeof (struct sockaddr_in);
1527 bufsize = sizeof namebuf;
1529 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1533 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1537 buffer = SvGROW(bufsv, length+1);
1538 /* 'offset' means 'flags' here */
1539 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1540 (struct sockaddr *)namebuf, &bufsize);
1543 SvCUR_set(bufsv, length);
1544 *SvEND(bufsv) = '\0';
1545 (void)SvPOK_only(bufsv);
1547 /* This should not be marked tainted if the fp is marked clean */
1548 if (!(IoFLAGS(io) & IOf_UNTAINT))
1549 SvTAINTED_on(bufsv);
1551 sv_setpvn(TARG, namebuf, bufsize);
1556 if (PL_op->op_type == OP_RECV)
1557 DIE(aTHX_ PL_no_sock_func, "recv");
1561 DIE(aTHX_ "Offset outside string");
1564 bufsize = SvCUR(bufsv);
1565 buffer = SvGROW(bufsv, length+offset+1);
1566 if (offset > bufsize) { /* Zero any newly allocated space */
1567 Zero(buffer+bufsize, offset-bufsize, char);
1569 if (PL_op->op_type == OP_SYSREAD) {
1570 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1571 if (IoTYPE(io) == IoTYPE_SOCKET) {
1572 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1573 buffer+offset, length, 0);
1578 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1579 buffer+offset, length);
1583 #ifdef HAS_SOCKET__bad_code_maybe
1584 if (IoTYPE(io) == IoTYPE_SOCKET) {
1585 char namebuf[MAXPATHLEN];
1586 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1587 bufsize = sizeof (struct sockaddr_in);
1589 bufsize = sizeof namebuf;
1591 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1592 (struct sockaddr *)namebuf, &bufsize);
1597 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1598 /* fread() returns 0 on both error and EOF */
1599 if (length == 0 && PerlIO_error(IoIFP(io)))
1603 if ((IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout()
1604 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1606 /* integrate with report_evil_fh()? */
1609 SV* sv = sv_newmortal();
1610 gv_efullname4(sv, gv, Nullch, FALSE);
1611 name = SvPV_nolen(sv);
1614 Perl_warner(aTHX_ WARN_IO,
1615 "Filehandle %s opened only for output", name);
1617 Perl_warner(aTHX_ WARN_IO,
1618 "Filehandle opened only for output");
1622 SvCUR_set(bufsv, length+offset);
1623 *SvEND(bufsv) = '\0';
1624 (void)SvPOK_only(bufsv);
1626 /* This should not be marked tainted if the fp is marked clean */
1627 if (!(IoFLAGS(io) & IOf_UNTAINT))
1628 SvTAINTED_on(bufsv);
1641 int items = (SP - PL_stack_base) - TOPMARK;
1645 sv = sv_2mortal(newSViv(sv_len(*SP)));
1654 djSP; dMARK; dORIGMARK; dTARGET;
1666 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1670 *MARK = SvTIED_obj((SV*)gv, mg);
1672 call_method("WRITE", G_SCALAR);
1683 buffer = SvPV(bufsv, blen);
1684 #if Size_t_size > IVSIZE
1685 length = (Size_t)SvNVx(*++MARK);
1687 length = (Size_t)SvIVx(*++MARK);
1689 if ((SSize_t)length < 0)
1690 DIE(aTHX_ "Negative length");
1693 if (!io || !IoIFP(io)) {
1695 if (ckWARN(WARN_CLOSED))
1696 report_evil_fh(gv, io, PL_op->op_type);
1698 else if (PL_op->op_type == OP_SYSWRITE) {
1700 offset = SvIVx(*++MARK);
1703 DIE(aTHX_ "Offset outside string");
1705 } else if (offset >= blen && blen > 0)
1706 DIE(aTHX_ "Offset outside string");
1709 if (length > blen - offset)
1710 length = blen - offset;
1711 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1712 if (IoTYPE(io) == IoTYPE_SOCKET) {
1713 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1714 buffer+offset, length, 0);
1719 /* See the note at doio.c:do_print about filesize limits. --jhi */
1720 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1721 buffer+offset, length);
1725 else if (SP > MARK) {
1728 sockbuf = SvPVx(*++MARK, mlen);
1729 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1730 length, (struct sockaddr *)sockbuf, mlen);
1733 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1737 DIE(aTHX_ PL_no_sock_func, "send");
1742 #if Size_t_size > IVSIZE
1756 return pp_sysread();
1766 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1768 gv = PL_last_in_gv = PL_argvgv;
1770 if (io && !IoIFP(io)) {
1771 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1773 IoFLAGS(io) &= ~IOf_START;
1774 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1775 sv_setpvn(GvSV(gv), "-", 1);
1776 SvSETMAGIC(GvSV(gv));
1778 else if (!nextargv(gv))
1783 gv = PL_last_in_gv; /* eof */
1786 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1788 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1790 XPUSHs(SvTIED_obj((SV*)gv, mg));
1793 call_method("EOF", G_SCALAR);
1799 PUSHs(boolSV(!gv || do_eof(gv)));
1812 gv = PL_last_in_gv = (GV*)POPs;
1814 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1816 XPUSHs(SvTIED_obj((SV*)gv, mg));
1819 call_method("TELL", G_SCALAR);
1825 #if LSEEKSIZE > IVSIZE
1826 PUSHn( do_tell(gv) );
1828 PUSHi( do_tell(gv) );
1835 return pp_sysseek();
1843 #if LSEEKSIZE > IVSIZE
1844 Off_t offset = (Off_t)SvNVx(POPs);
1846 Off_t offset = (Off_t)SvIVx(POPs);
1850 gv = PL_last_in_gv = (GV*)POPs;
1852 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1854 XPUSHs(SvTIED_obj((SV*)gv, mg));
1855 #if LSEEKSIZE > IVSIZE
1856 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1858 XPUSHs(sv_2mortal(newSViv(offset)));
1860 XPUSHs(sv_2mortal(newSViv(whence)));
1863 call_method("SEEK", G_SCALAR);
1869 if (PL_op->op_type == OP_SEEK)
1870 PUSHs(boolSV(do_seek(gv, offset, whence)));
1872 Off_t sought = do_sysseek(gv, offset, whence);
1874 PUSHs(&PL_sv_undef);
1877 #if LSEEKSIZE > IVSIZE
1882 : newSVpvn(zero_but_true, ZBTLEN);
1883 PUSHs(sv_2mortal(sv));
1892 /* There seems to be no consensus on the length type of truncate()
1893 * and ftruncate(), both off_t and size_t have supporters. In
1894 * general one would think that when using large files, off_t is
1895 * at least as wide as size_t, so using an off_t should be okay. */
1896 /* XXX Configure probe for the length type of *truncate() needed XXX */
1902 #if Size_t_size > IVSIZE
1907 /* Checking for length < 0 is problematic as the type might or
1908 * might not be signed: if it is not, clever compilers will moan. */
1909 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1911 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1912 if (PL_op->op_flags & OPf_SPECIAL) {
1913 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1915 TAINT_PROPER("truncate");
1916 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1919 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
1921 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1923 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1933 if (SvTYPE(sv) == SVt_PVGV) {
1934 tmpgv = (GV*)sv; /* *main::FRED for example */
1937 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1938 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1942 name = SvPV(sv, n_a);
1943 TAINT_PROPER("truncate");
1945 if (truncate(name, len) < 0)
1950 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1953 if (my_chsize(tmpfd, len) < 0)
1955 PerlLIO_close(tmpfd);
1964 SETERRNO(EBADF,RMS$_IFI);
1967 DIE(aTHX_ "truncate not implemented");
1980 unsigned int func = U_I(POPn);
1981 int optype = PL_op->op_type;
1987 if (!io || !argsv || !IoIFP(io)) {
1988 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1992 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1995 s = SvPV_force(argsv, len);
1996 need = IOCPARM_LEN(func);
1998 s = Sv_Grow(argsv, need + 1);
1999 SvCUR_set(argsv, need);
2002 s[SvCUR(argsv)] = 17; /* a little sanity check here */
2005 retval = SvIV(argsv);
2006 s = INT2PTR(char*,retval); /* ouch */
2009 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
2011 if (optype == OP_IOCTL)
2013 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
2015 DIE(aTHX_ "ioctl is not implemented");
2019 #if defined(OS2) && defined(__EMX__)
2020 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
2022 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2025 DIE(aTHX_ "fcntl is not implemented");
2029 if (s[SvCUR(argsv)] != 17)
2030 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2031 PL_op_name[optype]);
2032 s[SvCUR(argsv)] = 0; /* put our null back */
2033 SvSETMAGIC(argsv); /* Assume it has changed */
2042 PUSHp(zero_but_true, ZBTLEN);
2062 if (gv && (io = GvIO(gv)))
2069 (void)PerlIO_flush(fp);
2070 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2073 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2074 report_evil_fh(gv, io, PL_op->op_type);
2076 SETERRNO(EBADF,RMS$_IFI);
2081 DIE(aTHX_ PL_no_func, "flock()");
2093 int protocol = POPi;
2101 SETERRNO(EBADF,LIB$_INVARG);
2107 do_close(gv, FALSE);
2109 TAINT_PROPER("socket");
2110 fd = PerlSock_socket(domain, type, protocol);
2113 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2114 IoOFP(io) = PerlIO_fdopen(fd, "w");
2115 IoTYPE(io) = IoTYPE_SOCKET;
2116 if (!IoIFP(io) || !IoOFP(io)) {
2117 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2118 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2119 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2122 #if defined(HAS_FCNTL) && defined(F_SETFD)
2123 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2128 DIE(aTHX_ PL_no_sock_func, "socket");
2135 #ifdef HAS_SOCKETPAIR
2140 int protocol = POPi;
2153 do_close(gv1, FALSE);
2155 do_close(gv2, FALSE);
2157 TAINT_PROPER("socketpair");
2158 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2160 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2161 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2162 IoTYPE(io1) = IoTYPE_SOCKET;
2163 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2164 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2165 IoTYPE(io2) = IoTYPE_SOCKET;
2166 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2167 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2168 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2169 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2170 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2171 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2172 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2175 #if defined(HAS_FCNTL) && defined(F_SETFD)
2176 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2177 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2182 DIE(aTHX_ PL_no_sock_func, "socketpair");
2190 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2191 extern GETPRIVMODE();
2192 extern GETUSERMODE();
2197 register IO *io = GvIOn(gv);
2201 int mpeprivmode = 0;
2204 if (!io || !IoIFP(io))
2207 addr = SvPV(addrsv, len);
2208 TAINT_PROPER("bind");
2209 #ifdef MPE /* Deal with MPE bind() peculiarities */
2210 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2211 /* The address *MUST* stupidly be zero. */
2212 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2213 /* PRIV mode is required to bind() to ports < 1024. */
2214 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2215 ((struct sockaddr_in *)addr)->sin_port > 0) {
2216 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2221 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2222 (struct sockaddr *)addr, len) >= 0)
2225 #ifdef MPE /* Switch back to USER mode */
2236 if (ckWARN(WARN_CLOSED))
2237 report_evil_fh(gv, io, PL_op->op_type);
2238 SETERRNO(EBADF,SS$_IVCHAN);
2241 DIE(aTHX_ PL_no_sock_func, "bind");
2252 register IO *io = GvIOn(gv);
2255 if (!io || !IoIFP(io))
2258 addr = SvPV(addrsv, len);
2259 TAINT_PROPER("connect");
2260 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2266 if (ckWARN(WARN_CLOSED))
2267 report_evil_fh(gv, io, PL_op->op_type);
2268 SETERRNO(EBADF,SS$_IVCHAN);
2271 DIE(aTHX_ PL_no_sock_func, "connect");
2281 register IO *io = GvIOn(gv);
2283 if (!io || !IoIFP(io))
2286 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2292 if (ckWARN(WARN_CLOSED))
2293 report_evil_fh(gv, io, PL_op->op_type);
2294 SETERRNO(EBADF,SS$_IVCHAN);
2297 DIE(aTHX_ PL_no_sock_func, "listen");
2309 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2310 Sock_size_t len = sizeof saddr;
2322 if (!gstio || !IoIFP(gstio))
2327 do_close(ngv, FALSE);
2329 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2332 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2333 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2334 IoTYPE(nstio) = IoTYPE_SOCKET;
2335 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2336 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2337 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2338 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2341 #if defined(HAS_FCNTL) && defined(F_SETFD)
2342 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2346 len = sizeof saddr; /* EPOC somehow truncates info */
2349 PUSHp((char *)&saddr, len);
2353 if (ckWARN(WARN_CLOSED))
2354 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2355 SETERRNO(EBADF,SS$_IVCHAN);
2361 DIE(aTHX_ PL_no_sock_func, "accept");
2371 register IO *io = GvIOn(gv);
2373 if (!io || !IoIFP(io))
2376 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2380 if (ckWARN(WARN_CLOSED))
2381 report_evil_fh(gv, io, PL_op->op_type);
2382 SETERRNO(EBADF,SS$_IVCHAN);
2385 DIE(aTHX_ PL_no_sock_func, "shutdown");
2392 return pp_ssockopt();
2394 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2402 int optype = PL_op->op_type;
2405 unsigned int optname;
2411 if (optype == OP_GSOCKOPT)
2412 sv = sv_2mortal(NEWSV(22, 257));
2415 optname = (unsigned int) POPi;
2416 lvl = (unsigned int) POPi;
2420 if (!io || !IoIFP(io))
2423 fd = PerlIO_fileno(IoIFP(io));
2427 (void)SvPOK_only(sv);
2431 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2446 aint = (int)SvIV(sv);
2450 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2459 if (ckWARN(WARN_CLOSED))
2460 report_evil_fh(gv, io, optype);
2461 SETERRNO(EBADF,SS$_IVCHAN);
2466 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2473 return pp_getpeername();
2475 DIE(aTHX_ PL_no_sock_func, "getsockname");
2483 int optype = PL_op->op_type;
2487 register IO *io = GvIOn(gv);
2490 if (!io || !IoIFP(io))
2493 sv = sv_2mortal(NEWSV(22, 257));
2494 (void)SvPOK_only(sv);
2498 fd = PerlIO_fileno(IoIFP(io));
2500 case OP_GETSOCKNAME:
2501 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2504 case OP_GETPEERNAME:
2505 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2507 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2509 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";
2510 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2511 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2512 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2513 sizeof(u_short) + sizeof(struct in_addr))) {
2520 #ifdef BOGUS_GETNAME_RETURN
2521 /* Interactive Unix, getpeername() and getsockname()
2522 does not return valid namelen */
2523 if (len == BOGUS_GETNAME_RETURN)
2524 len = sizeof(struct sockaddr);
2532 if (ckWARN(WARN_CLOSED))
2533 report_evil_fh(gv, io, optype);
2534 SETERRNO(EBADF,SS$_IVCHAN);
2539 DIE(aTHX_ PL_no_sock_func, "getpeername");
2558 if (PL_op->op_flags & OPf_REF) {
2560 if (PL_op->op_type == OP_LSTAT) {
2561 if (PL_laststype != OP_LSTAT)
2562 Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
2563 if (ckWARN(WARN_IO) && gv != PL_defgv)
2564 Perl_warner(aTHX_ WARN_IO,
2565 "lstat() on filehandle %s", GvENAME(gv));
2566 /* Perl_my_lstat (-l) croak's on filehandle, why warn here? */
2570 if (gv != PL_defgv) {
2571 PL_laststype = OP_STAT;
2573 sv_setpv(PL_statname, "");
2574 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2575 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2577 if (PL_laststatval < 0) {
2579 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2580 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2586 if (SvTYPE(sv) == SVt_PVGV) {
2590 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2594 sv_setpv(PL_statname, SvPV(sv,n_a));
2597 PL_laststype = PL_op->op_type;
2598 if (PL_op->op_type == OP_LSTAT)
2599 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2602 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2603 if (PL_laststatval < 0) {
2604 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2605 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2611 if (gimme != G_ARRAY) {
2612 if (gimme != G_VOID)
2613 XPUSHs(boolSV(max));
2619 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2620 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2621 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2622 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2623 #if Uid_t_size > IVSIZE
2624 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2626 # if Uid_t_sign <= 0
2627 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2629 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2632 #if Gid_t_size > IVSIZE
2633 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2635 # if Gid_t_sign <= 0
2636 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2638 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2641 #ifdef USE_STAT_RDEV
2642 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2644 PUSHs(sv_2mortal(newSVpvn("", 0)));
2646 #if Off_t_size > IVSIZE
2647 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2649 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2652 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2653 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2654 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2656 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2657 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2658 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2660 #ifdef USE_STAT_BLOCKS
2661 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2662 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2664 PUSHs(sv_2mortal(newSVpvn("", 0)));
2665 PUSHs(sv_2mortal(newSVpvn("", 0)));
2675 #if defined(HAS_ACCESS) && defined(R_OK)
2677 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2678 result = access(TOPpx, R_OK);
2693 if (cando(S_IRUSR, 0, &PL_statcache))
2702 #if defined(HAS_ACCESS) && defined(W_OK)
2704 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2705 result = access(TOPpx, W_OK);
2720 if (cando(S_IWUSR, 0, &PL_statcache))
2729 #if defined(HAS_ACCESS) && defined(X_OK)
2731 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2732 result = access(TOPpx, X_OK);
2747 if (cando(S_IXUSR, 0, &PL_statcache))
2756 #ifdef PERL_EFF_ACCESS_R_OK
2758 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2759 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2774 if (cando(S_IRUSR, 1, &PL_statcache))
2783 #ifdef PERL_EFF_ACCESS_W_OK
2785 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2786 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2801 if (cando(S_IWUSR, 1, &PL_statcache))
2810 #ifdef PERL_EFF_ACCESS_X_OK
2812 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2813 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2828 if (cando(S_IXUSR, 1, &PL_statcache))
2835 I32 result = my_stat();
2844 return pp_ftrowned();
2849 I32 result = my_stat();
2853 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2861 I32 result = my_stat();
2865 if (PL_statcache.st_size == 0)
2872 I32 result = my_stat();
2876 #if Off_t_size > IVSIZE
2877 PUSHn(PL_statcache.st_size);
2879 PUSHi(PL_statcache.st_size);
2886 I32 result = my_stat();
2890 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2896 I32 result = my_stat();
2900 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2906 I32 result = my_stat();
2910 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2916 I32 result = my_stat();
2920 if (S_ISSOCK(PL_statcache.st_mode))
2927 I32 result = my_stat();
2931 if (S_ISCHR(PL_statcache.st_mode))
2938 I32 result = my_stat();
2942 if (S_ISBLK(PL_statcache.st_mode))
2949 I32 result = my_stat();
2953 if (S_ISREG(PL_statcache.st_mode))
2960 I32 result = my_stat();
2964 if (S_ISDIR(PL_statcache.st_mode))
2971 I32 result = my_stat();
2975 if (S_ISFIFO(PL_statcache.st_mode))
2982 I32 result = my_lstat();
2986 if (S_ISLNK(PL_statcache.st_mode))
2995 I32 result = my_stat();
2999 if (PL_statcache.st_mode & S_ISUID)
3009 I32 result = my_stat();
3013 if (PL_statcache.st_mode & S_ISGID)
3023 I32 result = my_stat();
3027 if (PL_statcache.st_mode & S_ISVTX)
3038 char *tmps = Nullch;
3041 if (PL_op->op_flags & OPf_REF)
3043 else if (isGV(TOPs))
3045 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3046 gv = (GV*)SvRV(POPs);
3048 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3050 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3051 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3052 else if (tmps && isDIGIT(*tmps))
3056 if (PerlLIO_isatty(fd))
3061 #if defined(atarist) /* this will work with atariST. Configure will
3062 make guesses for other systems. */
3063 # define FILE_base(f) ((f)->_base)
3064 # define FILE_ptr(f) ((f)->_ptr)
3065 # define FILE_cnt(f) ((f)->_cnt)
3066 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3076 register STDCHAR *s;
3083 if (PL_op->op_flags & OPf_REF)
3085 else if (isGV(TOPs))
3087 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3088 gv = (GV*)SvRV(POPs);
3094 if (gv == PL_defgv) {
3096 io = GvIO(PL_statgv);
3099 goto really_filename;
3104 PL_laststatval = -1;
3105 sv_setpv(PL_statname, "");
3106 io = GvIO(PL_statgv);
3108 if (io && IoIFP(io)) {
3109 if (! PerlIO_has_base(IoIFP(io)))
3110 DIE(aTHX_ "-T and -B not implemented on filehandles");
3111 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3112 if (PL_laststatval < 0)
3114 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3115 if (PL_op->op_type == OP_FTTEXT)
3119 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3120 i = PerlIO_getc(IoIFP(io));
3122 (void)PerlIO_ungetc(IoIFP(io),i);
3124 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3126 len = PerlIO_get_bufsiz(IoIFP(io));
3127 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3128 /* sfio can have large buffers - limit to 512 */
3134 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3136 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3138 SETERRNO(EBADF,RMS$_IFI);
3146 PL_laststatval = -1;
3147 sv_setpv(PL_statname, SvPV(sv, n_a));
3148 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3149 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3150 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3153 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3154 if (PL_laststatval < 0) {
3155 (void)PerlIO_close(fp);
3158 do_binmode(fp, '<', O_BINARY);
3159 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3160 (void)PerlIO_close(fp);
3162 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3163 RETPUSHNO; /* special case NFS directories */
3164 RETPUSHYES; /* null file is anything */
3169 /* now scan s to look for textiness */
3170 /* XXX ASCII dependent code */
3172 #if defined(DOSISH) || defined(USEMYBINMODE)
3173 /* ignore trailing ^Z on short files */
3174 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3178 for (i = 0; i < len; i++, s++) {
3179 if (!*s) { /* null never allowed in text */
3184 else if (!(isPRINT(*s) || isSPACE(*s)))
3187 else if (*s & 128) {
3189 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3192 /* utf8 characters don't count as odd */
3194 int ulen = UTF8SKIP(s);
3195 if (ulen < len - i) {
3197 for (j = 1; j < ulen; j++) {
3198 if ((s[j] & 0xc0) != 0x80)
3201 --ulen; /* loop does extra increment */
3211 *s != '\n' && *s != '\r' && *s != '\b' &&
3212 *s != '\t' && *s != '\f' && *s != 27)
3217 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3241 if (!tmps || !*tmps) {
3242 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3244 tmps = SvPV(*svp, n_a);
3246 if (!tmps || !*tmps) {
3247 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3249 tmps = SvPV(*svp, n_a);
3252 if (!tmps || !*tmps) {
3253 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3255 tmps = SvPV(*svp, n_a);
3258 TAINT_PROPER("chdir");
3259 PUSHi( PerlDir_chdir(tmps) >= 0 );
3261 /* Clear the DEFAULT element of ENV so we'll get the new value
3263 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3270 djSP; dMARK; dTARGET;
3273 value = (I32)apply(PL_op->op_type, MARK, SP);
3278 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3289 TAINT_PROPER("chroot");
3290 PUSHi( chroot(tmps) >= 0 );
3293 DIE(aTHX_ PL_no_func, "chroot");
3299 djSP; dMARK; dTARGET;
3301 value = (I32)apply(PL_op->op_type, MARK, SP);
3309 djSP; dMARK; dTARGET;
3311 value = (I32)apply(PL_op->op_type, MARK, SP);
3319 djSP; dMARK; dTARGET;
3321 value = (I32)apply(PL_op->op_type, MARK, SP);
3333 char *tmps2 = POPpx;
3334 char *tmps = SvPV(TOPs, n_a);
3335 TAINT_PROPER("rename");
3337 anum = PerlLIO_rename(tmps, tmps2);
3339 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3340 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3343 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3344 (void)UNLINK(tmps2);
3345 if (!(anum = link(tmps, tmps2)))
3346 anum = UNLINK(tmps);
3359 char *tmps2 = POPpx;
3360 char *tmps = SvPV(TOPs, n_a);
3361 TAINT_PROPER("link");
3362 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3364 DIE(aTHX_ PL_no_func, "Unsupported function link");
3374 char *tmps2 = POPpx;
3375 char *tmps = SvPV(TOPs, n_a);
3376 TAINT_PROPER("symlink");
3377 SETi( symlink(tmps, tmps2) >= 0 );
3380 DIE(aTHX_ PL_no_func, "symlink");
3389 char buf[MAXPATHLEN];
3393 #ifndef INCOMPLETE_TAINTS
3397 len = readlink(tmps, buf, sizeof buf);
3405 RETSETUNDEF; /* just pretend it's a normal file */
3409 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3411 S_dooneliner(pTHX_ char *cmd, char *filename)
3413 char *save_filename = filename;
3419 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3420 strcpy(cmdline, cmd);
3421 strcat(cmdline, " ");
3422 for (s = cmdline + strlen(cmdline); *filename; ) {
3427 myfp = PerlProc_popen(cmdline, "r");
3431 SV *tmpsv = sv_newmortal();
3432 /* Need to save/restore 'PL_rs' ?? */
3433 s = sv_gets(tmpsv, myfp, 0);
3434 (void)PerlProc_pclose(myfp);
3438 #ifdef HAS_SYS_ERRLIST
3443 /* you don't see this */
3445 #ifdef HAS_SYS_ERRLIST
3453 if (instr(s, errmsg)) {
3460 #define EACCES EPERM
3462 if (instr(s, "cannot make"))
3463 SETERRNO(EEXIST,RMS$_FEX);
3464 else if (instr(s, "existing file"))
3465 SETERRNO(EEXIST,RMS$_FEX);
3466 else if (instr(s, "ile exists"))
3467 SETERRNO(EEXIST,RMS$_FEX);
3468 else if (instr(s, "non-exist"))
3469 SETERRNO(ENOENT,RMS$_FNF);
3470 else if (instr(s, "does not exist"))
3471 SETERRNO(ENOENT,RMS$_FNF);
3472 else if (instr(s, "not empty"))
3473 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3474 else if (instr(s, "cannot access"))
3475 SETERRNO(EACCES,RMS$_PRV);
3477 SETERRNO(EPERM,RMS$_PRV);
3480 else { /* some mkdirs return no failure indication */
3481 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3482 if (PL_op->op_type == OP_RMDIR)
3487 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3511 tmps = SvPV(TOPs, n_a);
3513 TAINT_PROPER("mkdir");
3515 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3517 SETi( dooneliner("mkdir", tmps) );
3518 oldumask = PerlLIO_umask(0);
3519 PerlLIO_umask(oldumask);
3520 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3532 TAINT_PROPER("rmdir");
3534 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3536 XPUSHi( dooneliner("rmdir", tmps) );
3541 /* Directory calls. */
3546 #if defined(Direntry_t) && defined(HAS_READDIR)
3548 char *dirname = POPpx;
3550 register IO *io = GvIOn(gv);
3556 PerlDir_close(IoDIRP(io));
3557 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3563 SETERRNO(EBADF,RMS$_DIR);
3566 DIE(aTHX_ PL_no_dir_func, "opendir");
3573 #if defined(Direntry_t) && defined(HAS_READDIR)
3575 Direntry_t *readdir (DIR *);
3577 register Direntry_t *dp;
3579 register IO *io = GvIOn(gv);
3582 if (!io || !IoDIRP(io))
3585 if (GIMME == G_ARRAY) {
3587 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3589 sv = newSVpvn(dp->d_name, dp->d_namlen);
3591 sv = newSVpv(dp->d_name, 0);
3593 #ifndef INCOMPLETE_TAINTS
3594 if (!(IoFLAGS(io) & IOf_UNTAINT))
3597 XPUSHs(sv_2mortal(sv));
3601 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3604 sv = newSVpvn(dp->d_name, dp->d_namlen);
3606 sv = newSVpv(dp->d_name, 0);
3608 #ifndef INCOMPLETE_TAINTS
3609 if (!(IoFLAGS(io) & IOf_UNTAINT))
3612 XPUSHs(sv_2mortal(sv));
3618 SETERRNO(EBADF,RMS$_ISI);
3619 if (GIMME == G_ARRAY)
3624 DIE(aTHX_ PL_no_dir_func, "readdir");
3631 #if defined(HAS_TELLDIR) || defined(telldir)
3632 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3633 /* XXX netbsd still seemed to.
3634 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3635 --JHI 1999-Feb-02 */
3636 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3637 long telldir (DIR *);
3640 register IO *io = GvIOn(gv);
3642 if (!io || !IoDIRP(io))
3645 PUSHi( PerlDir_tell(IoDIRP(io)) );
3649 SETERRNO(EBADF,RMS$_ISI);
3652 DIE(aTHX_ PL_no_dir_func, "telldir");
3659 #if defined(HAS_SEEKDIR) || defined(seekdir)
3662 register IO *io = GvIOn(gv);
3664 if (!io || !IoDIRP(io))
3667 (void)PerlDir_seek(IoDIRP(io), along);
3672 SETERRNO(EBADF,RMS$_ISI);
3675 DIE(aTHX_ PL_no_dir_func, "seekdir");
3682 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3684 register IO *io = GvIOn(gv);
3686 if (!io || !IoDIRP(io))
3689 (void)PerlDir_rewind(IoDIRP(io));
3693 SETERRNO(EBADF,RMS$_ISI);
3696 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3703 #if defined(Direntry_t) && defined(HAS_READDIR)
3705 register IO *io = GvIOn(gv);
3707 if (!io || !IoDIRP(io))
3710 #ifdef VOID_CLOSEDIR
3711 PerlDir_close(IoDIRP(io));
3713 if (PerlDir_close(IoDIRP(io)) < 0) {
3714 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3723 SETERRNO(EBADF,RMS$_IFI);
3726 DIE(aTHX_ PL_no_dir_func, "closedir");
3730 /* Process control. */
3740 PERL_FLUSHALL_FOR_CHILD;
3746 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3747 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3748 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3753 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3758 PERL_FLUSHALL_FOR_CHILD;
3759 childpid = PerlProc_fork();
3765 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3772 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3777 childpid = wait4pid(-1, &argflags, 0);
3778 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3779 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3780 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3782 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3787 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3793 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3801 childpid = wait4pid(childpid, &argflags, optype);
3802 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3803 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3804 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3806 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3811 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3817 djSP; dMARK; dORIGMARK; dTARGET;
3822 Sigsave_t ihand,qhand; /* place to save signals during system() */
3827 if (SP - MARK == 1) {
3829 char *junk = SvPV(TOPs, n_a);
3831 TAINT_PROPER("system");
3834 PERL_FLUSHALL_FOR_CHILD;
3835 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3836 if (PerlProc_pipe(pp) >= 0)
3838 while ((childpid = vfork()) == -1) {
3839 if (errno != EAGAIN) {
3844 PerlLIO_close(pp[0]);
3845 PerlLIO_close(pp[1]);
3853 PerlLIO_close(pp[1]);
3855 rsignal_save(SIGINT, SIG_IGN, &ihand);
3856 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3859 result = wait4pid(childpid, &status, 0);
3860 } while (result == -1 && errno == EINTR);
3862 (void)rsignal_restore(SIGINT, &ihand);
3863 (void)rsignal_restore(SIGQUIT, &qhand);
3865 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3866 do_execfree(); /* free any memory child malloced on vfork */
3872 while (n < sizeof(int)) {
3873 n1 = PerlLIO_read(pp[0],
3874 (void*)(((char*)&errkid)+n),
3880 PerlLIO_close(pp[0]);
3881 if (n) { /* Error */
3882 if (n != sizeof(int))
3883 DIE(aTHX_ "panic: kid popen errno read");
3884 errno = errkid; /* Propagate errno from kid */
3885 STATUS_CURRENT = -1;
3888 PUSHi(STATUS_CURRENT);
3892 PerlLIO_close(pp[0]);
3893 #if defined(HAS_FCNTL) && defined(F_SETFD)
3894 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3897 if (PL_op->op_flags & OPf_STACKED) {
3898 SV *really = *++MARK;
3899 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3901 else if (SP - MARK != 1)
3902 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3904 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3907 #else /* ! FORK or VMS or OS/2 */
3910 if (PL_op->op_flags & OPf_STACKED) {
3911 SV *really = *++MARK;
3912 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3914 else if (SP - MARK != 1)
3915 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3917 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3919 if (PL_statusvalue == -1) /* hint that value must be returned as is */
3921 STATUS_NATIVE_SET(value);
3924 PUSHi(result ? value : STATUS_CURRENT);
3925 #endif /* !FORK or VMS */
3931 djSP; dMARK; dORIGMARK; dTARGET;
3935 PERL_FLUSHALL_FOR_CHILD;
3936 if (PL_op->op_flags & OPf_STACKED) {
3937 SV *really = *++MARK;
3938 value = (I32)do_aexec(really, MARK, SP);
3940 else if (SP - MARK != 1)
3942 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3946 (void ) do_aspawn(Nullsv, MARK, SP);
3950 value = (I32)do_aexec(Nullsv, MARK, SP);
3955 char *junk = SvPV(*SP, n_a);
3957 TAINT_PROPER("exec");
3960 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3963 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3966 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3971 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3983 djSP; dMARK; dTARGET;
3986 value = (I32)apply(PL_op->op_type, MARK, SP);
3991 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3999 XPUSHi( getppid() );
4002 DIE(aTHX_ PL_no_func, "getppid");
4018 pgrp = (I32)BSD_GETPGRP(pid);
4020 if (pid != 0 && pid != PerlProc_getpid())
4021 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4027 DIE(aTHX_ PL_no_func, "getpgrp()");
4046 TAINT_PROPER("setpgrp");
4048 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4050 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4051 || (pid != 0 && pid != PerlProc_getpid()))
4053 DIE(aTHX_ "setpgrp can't take arguments");
4055 SETi( setpgrp() >= 0 );
4056 #endif /* USE_BSDPGRP */
4059 DIE(aTHX_ PL_no_func, "setpgrp()");
4068 #ifdef HAS_GETPRIORITY
4071 SETi( getpriority(which, who) );
4074 DIE(aTHX_ PL_no_func, "getpriority()");
4084 #ifdef HAS_SETPRIORITY
4088 TAINT_PROPER("setpriority");
4089 SETi( setpriority(which, who, niceval) >= 0 );
4092 DIE(aTHX_ PL_no_func, "setpriority()");
4102 XPUSHn( time(Null(Time_t*)) );
4104 XPUSHi( time(Null(Time_t*)) );
4109 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4110 to HZ. Probably. For now, assume that if the system
4111 defines HZ, it does so correctly. (Will this break
4113 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4114 it's supported. --AD 9/96.
4130 DIE(aTHX_ "times not implemented");
4135 (void)PerlProc_times(&PL_timesbuf);
4137 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4138 /* struct tms, though same data */
4142 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4143 if (GIMME == G_ARRAY) {
4144 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4145 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4146 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4149 #endif /* HAS_TIMES */
4162 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4163 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4164 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4170 when = (Time_t)SvNVx(POPs);
4172 when = (Time_t)SvIVx(POPs);
4175 if (PL_op->op_type == OP_LOCALTIME)
4176 tmbuf = localtime(&when);
4178 tmbuf = gmtime(&when);
4182 if (GIMME != G_ARRAY) {
4186 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4187 dayname[tmbuf->tm_wday],
4188 monname[tmbuf->tm_mon],
4193 tmbuf->tm_year + 1900);
4194 PUSHs(sv_2mortal(tsv));
4197 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4198 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4199 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4200 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4201 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4202 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4203 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4204 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4205 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4216 anum = alarm((unsigned int)anum);
4223 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4234 (void)time(&lasttime);
4239 PerlProc_sleep((unsigned int)duration);
4242 XPUSHi(when - lasttime);
4246 /* Shared memory. */
4260 return pp_shmwrite();
4265 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4266 djSP; dMARK; dTARGET;
4267 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4276 /* Message passing. */
4290 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4291 djSP; dMARK; dTARGET;
4292 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4303 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4304 djSP; dMARK; dTARGET;
4305 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4318 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4319 djSP; dMARK; dTARGET;
4320 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4327 DIE(aTHX_ "System V IPC is not implemented on this machine");
4333 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4334 djSP; dMARK; dTARGET;
4335 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4343 PUSHp(zero_but_true, ZBTLEN);
4353 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4354 djSP; dMARK; dTARGET;
4355 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4364 /* Get system info. */
4368 #ifdef HAS_GETHOSTBYNAME
4369 return pp_ghostent();
4371 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4377 #ifdef HAS_GETHOSTBYADDR
4378 return pp_ghostent();
4380 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4387 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4388 I32 which = PL_op->op_type;
4389 register char **elem;
4391 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4392 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4393 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4394 struct hostent *PerlSock_gethostent(void);
4396 struct hostent *hent;
4401 if (which == OP_GHBYNAME)
4402 #ifdef HAS_GETHOSTBYNAME
4403 hent = PerlSock_gethostbyname(POPpx);
4405 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4407 else if (which == OP_GHBYADDR) {
4408 #ifdef HAS_GETHOSTBYADDR
4409 int addrtype = POPi;
4412 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4414 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4416 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4420 #ifdef HAS_GETHOSTENT
4421 hent = PerlSock_gethostent();
4423 DIE(aTHX_ PL_no_sock_func, "gethostent");
4426 #ifdef HOST_NOT_FOUND
4428 STATUS_NATIVE_SET(h_errno);
4431 if (GIMME != G_ARRAY) {
4432 PUSHs(sv = sv_newmortal());
4434 if (which == OP_GHBYNAME) {
4436 sv_setpvn(sv, hent->h_addr, hent->h_length);
4439 sv_setpv(sv, (char*)hent->h_name);
4445 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4446 sv_setpv(sv, (char*)hent->h_name);
4447 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4448 for (elem = hent->h_aliases; elem && *elem; elem++) {
4449 sv_catpv(sv, *elem);
4451 sv_catpvn(sv, " ", 1);
4453 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4454 sv_setiv(sv, (IV)hent->h_addrtype);
4455 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4456 len = hent->h_length;
4457 sv_setiv(sv, (IV)len);
4459 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4460 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4461 sv_setpvn(sv, *elem, len);
4464 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4466 sv_setpvn(sv, hent->h_addr, len);
4471 DIE(aTHX_ PL_no_sock_func, "gethostent");
4477 #ifdef HAS_GETNETBYNAME
4478 return pp_gnetent();
4480 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4486 #ifdef HAS_GETNETBYADDR
4487 return pp_gnetent();
4489 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4496 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4497 I32 which = PL_op->op_type;
4498 register char **elem;
4500 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4501 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4502 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4503 struct netent *PerlSock_getnetent(void);
4505 struct netent *nent;
4508 if (which == OP_GNBYNAME)
4509 #ifdef HAS_GETNETBYNAME
4510 nent = PerlSock_getnetbyname(POPpx);
4512 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4514 else if (which == OP_GNBYADDR) {
4515 #ifdef HAS_GETNETBYADDR
4516 int addrtype = POPi;
4517 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4518 nent = PerlSock_getnetbyaddr(addr, addrtype);
4520 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4524 #ifdef HAS_GETNETENT
4525 nent = PerlSock_getnetent();
4527 DIE(aTHX_ PL_no_sock_func, "getnetent");
4531 if (GIMME != G_ARRAY) {
4532 PUSHs(sv = sv_newmortal());
4534 if (which == OP_GNBYNAME)
4535 sv_setiv(sv, (IV)nent->n_net);
4537 sv_setpv(sv, nent->n_name);
4543 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4544 sv_setpv(sv, nent->n_name);
4545 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4546 for (elem = nent->n_aliases; elem && *elem; elem++) {
4547 sv_catpv(sv, *elem);
4549 sv_catpvn(sv, " ", 1);
4551 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4552 sv_setiv(sv, (IV)nent->n_addrtype);
4553 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4554 sv_setiv(sv, (IV)nent->n_net);
4559 DIE(aTHX_ PL_no_sock_func, "getnetent");
4565 #ifdef HAS_GETPROTOBYNAME
4566 return pp_gprotoent();
4568 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4574 #ifdef HAS_GETPROTOBYNUMBER
4575 return pp_gprotoent();
4577 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4584 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4585 I32 which = PL_op->op_type;
4586 register char **elem;
4588 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4589 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4590 struct protoent *PerlSock_getprotobynumber(int);
4591 struct protoent *PerlSock_getprotoent(void);
4593 struct protoent *pent;
4596 if (which == OP_GPBYNAME)
4597 #ifdef HAS_GETPROTOBYNAME
4598 pent = PerlSock_getprotobyname(POPpx);
4600 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4602 else if (which == OP_GPBYNUMBER)
4603 #ifdef HAS_GETPROTOBYNUMBER
4604 pent = PerlSock_getprotobynumber(POPi);
4606 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4609 #ifdef HAS_GETPROTOENT
4610 pent = PerlSock_getprotoent();
4612 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4616 if (GIMME != G_ARRAY) {
4617 PUSHs(sv = sv_newmortal());
4619 if (which == OP_GPBYNAME)
4620 sv_setiv(sv, (IV)pent->p_proto);
4622 sv_setpv(sv, pent->p_name);
4628 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4629 sv_setpv(sv, pent->p_name);
4630 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4631 for (elem = pent->p_aliases; elem && *elem; elem++) {
4632 sv_catpv(sv, *elem);
4634 sv_catpvn(sv, " ", 1);
4636 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4637 sv_setiv(sv, (IV)pent->p_proto);
4642 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4648 #ifdef HAS_GETSERVBYNAME
4649 return pp_gservent();
4651 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4657 #ifdef HAS_GETSERVBYPORT
4658 return pp_gservent();
4660 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4667 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4668 I32 which = PL_op->op_type;
4669 register char **elem;
4671 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4672 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4673 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4674 struct servent *PerlSock_getservent(void);
4676 struct servent *sent;
4679 if (which == OP_GSBYNAME) {
4680 #ifdef HAS_GETSERVBYNAME
4681 char *proto = POPpx;
4684 if (proto && !*proto)
4687 sent = PerlSock_getservbyname(name, proto);
4689 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4692 else if (which == OP_GSBYPORT) {
4693 #ifdef HAS_GETSERVBYPORT
4694 char *proto = POPpx;
4695 unsigned short port = POPu;
4698 port = PerlSock_htons(port);
4700 sent = PerlSock_getservbyport(port, proto);
4702 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4706 #ifdef HAS_GETSERVENT
4707 sent = PerlSock_getservent();
4709 DIE(aTHX_ PL_no_sock_func, "getservent");
4713 if (GIMME != G_ARRAY) {
4714 PUSHs(sv = sv_newmortal());
4716 if (which == OP_GSBYNAME) {
4718 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4720 sv_setiv(sv, (IV)(sent->s_port));
4724 sv_setpv(sv, sent->s_name);
4730 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4731 sv_setpv(sv, sent->s_name);
4732 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4733 for (elem = sent->s_aliases; elem && *elem; elem++) {
4734 sv_catpv(sv, *elem);
4736 sv_catpvn(sv, " ", 1);
4738 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4740 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4742 sv_setiv(sv, (IV)(sent->s_port));
4744 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4745 sv_setpv(sv, sent->s_proto);
4750 DIE(aTHX_ PL_no_sock_func, "getservent");
4757 #ifdef HAS_SETHOSTENT
4758 PerlSock_sethostent(TOPi);
4761 DIE(aTHX_ PL_no_sock_func, "sethostent");
4768 #ifdef HAS_SETNETENT
4769 PerlSock_setnetent(TOPi);
4772 DIE(aTHX_ PL_no_sock_func, "setnetent");
4779 #ifdef HAS_SETPROTOENT
4780 PerlSock_setprotoent(TOPi);
4783 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4790 #ifdef HAS_SETSERVENT
4791 PerlSock_setservent(TOPi);
4794 DIE(aTHX_ PL_no_sock_func, "setservent");
4801 #ifdef HAS_ENDHOSTENT
4802 PerlSock_endhostent();
4806 DIE(aTHX_ PL_no_sock_func, "endhostent");
4813 #ifdef HAS_ENDNETENT
4814 PerlSock_endnetent();
4818 DIE(aTHX_ PL_no_sock_func, "endnetent");
4825 #ifdef HAS_ENDPROTOENT
4826 PerlSock_endprotoent();
4830 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4837 #ifdef HAS_ENDSERVENT
4838 PerlSock_endservent();
4842 DIE(aTHX_ PL_no_sock_func, "endservent");
4851 DIE(aTHX_ PL_no_func, "getpwnam");
4860 DIE(aTHX_ PL_no_func, "getpwuid");
4868 I32 which = PL_op->op_type;
4871 struct passwd *pwent = NULL;
4873 * We currently support only the SysV getsp* shadow password interface.
4874 * The interface is declared in <shadow.h> and often one needs to link
4875 * with -lsecurity or some such.
4876 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
4879 * AIX getpwnam() is clever enough to return the encrypted password
4880 * only if the caller (euid?) is root.
4882 * There are at least two other shadow password APIs. Many platforms
4883 * seem to contain more than one interface for accessing the shadow
4884 * password databases, possibly for compatibility reasons.
4885 * The getsp*() is by far he simplest one, the other two interfaces
4886 * are much more complicated, but also very similar to each other.
4891 * struct pr_passwd *getprpw*();
4892 * The password is in
4893 * char getprpw*(...).ufld.fd_encrypt[]
4894 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
4899 * struct es_passwd *getespw*();
4900 * The password is in
4901 * char *(getespw*(...).ufld.fd_encrypt)
4902 * Mention HAS_GETESPWNAM here so that Configure probes for it.
4904 * Mention I_PROT here so that Configure probes for it.
4906 * In HP-UX for getprpw*() the manual page claims that one should include
4907 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
4908 * if one includes <shadow.h> as that includes <hpsecurity.h>,
4909 * and pp_sys.c already includes <shadow.h> if there is such.
4911 * Note that <sys/security.h> is already probed for, but currently
4912 * it is only included in special cases.
4914 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
4915 * be preferred interface, even though also the getprpw*() interface
4916 * is available) one needs to link with -lsecurity -ldb -laud -lm.
4917 * One also needs to call set_auth_parameters() in main() before
4918 * doing anything else, whether one is using getespw*() or getprpw*().
4920 * Note that accessing the shadow databases can be magnitudes
4921 * slower than accessing the standard databases.
4928 pwent = getpwnam(POPpx);
4931 pwent = getpwuid((Uid_t)POPi);
4934 # ifdef HAS_GETPWENT
4937 DIE(aTHX_ PL_no_func, "getpwent");
4943 if (GIMME != G_ARRAY) {
4944 PUSHs(sv = sv_newmortal());
4946 if (which == OP_GPWNAM)
4947 # if Uid_t_sign <= 0
4948 sv_setiv(sv, (IV)pwent->pw_uid);
4950 sv_setuv(sv, (UV)pwent->pw_uid);
4953 sv_setpv(sv, pwent->pw_name);
4959 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4960 sv_setpv(sv, pwent->pw_name);
4962 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4964 /* If we have getspnam(), we try to dig up the shadow
4965 * password. If we are underprivileged, the shadow
4966 * interface will set the errno to EACCES or similar,
4967 * and return a null pointer. If this happens, we will
4968 * use the dummy password (usually "*" or "x") from the
4969 * standard password database.
4971 * In theory we could skip the shadow call completely
4972 * if euid != 0 but in practice we cannot know which
4973 * security measures are guarding the shadow databases
4974 * on a random platform.
4976 * Resist the urge to use additional shadow interfaces.
4977 * Divert the urge to writing an extension instead.
4980 # ifdef HAS_GETSPNAM
4982 struct spwd *spwent;
4983 int saverrno; /* Save and restore errno so that
4984 * underprivileged attempts seem
4985 * to have never made the unsccessful
4986 * attempt to retrieve the shadow password. */
4989 spwent = getspnam(pwent->pw_name);
4991 if (spwent && spwent->sp_pwdp)
4992 sv_setpv(sv, spwent->sp_pwdp);
4996 if (!SvPOK(sv)) /* Use the standard password, then. */
4997 sv_setpv(sv, pwent->pw_passwd);
5000 # ifndef INCOMPLETE_TAINTS
5001 /* passwd is tainted because user himself can diddle with it.
5002 * admittedly not much and in a very limited way, but nevertheless. */
5006 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5007 # if Uid_t_sign <= 0
5008 sv_setiv(sv, (IV)pwent->pw_uid);
5010 sv_setuv(sv, (UV)pwent->pw_uid);
5013 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5014 # if Uid_t_sign <= 0
5015 sv_setiv(sv, (IV)pwent->pw_gid);
5017 sv_setuv(sv, (UV)pwent->pw_gid);
5019 /* pw_change, pw_quota, and pw_age are mutually exclusive--
5020 * because of the poor interface of the Perl getpw*(),
5021 * not because there's some standard/convention saying so.
5022 * A better interface would have been to return a hash,
5023 * but we are accursed by our history, alas. --jhi. */
5024 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5026 sv_setiv(sv, (IV)pwent->pw_change);
5029 sv_setiv(sv, (IV)pwent->pw_quota);
5032 sv_setpv(sv, pwent->pw_age);
5037 /* pw_class and pw_comment are mutually exclusive--.
5038 * see the above note for pw_change, pw_quota, and pw_age. */
5039 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5041 sv_setpv(sv, pwent->pw_class);
5044 sv_setpv(sv, pwent->pw_comment);
5048 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5050 sv_setpv(sv, pwent->pw_gecos);
5052 # ifndef INCOMPLETE_TAINTS
5053 /* pw_gecos is tainted because user himself can diddle with it. */
5057 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5058 sv_setpv(sv, pwent->pw_dir);
5060 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5061 sv_setpv(sv, pwent->pw_shell);
5062 # ifndef INCOMPLETE_TAINTS
5063 /* pw_shell is tainted because user himself can diddle with it. */
5068 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5069 sv_setiv(sv, (IV)pwent->pw_expire);
5074 DIE(aTHX_ PL_no_func, "getpwent");
5081 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5085 DIE(aTHX_ PL_no_func, "setpwent");
5092 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5096 DIE(aTHX_ PL_no_func, "endpwent");
5105 DIE(aTHX_ PL_no_func, "getgrnam");
5114 DIE(aTHX_ PL_no_func, "getgrgid");
5122 I32 which = PL_op->op_type;
5123 register char **elem;
5125 struct group *grent;
5128 if (which == OP_GGRNAM)
5129 grent = (struct group *)getgrnam(POPpx);
5130 else if (which == OP_GGRGID)
5131 grent = (struct group *)getgrgid(POPi);
5134 grent = (struct group *)getgrent();
5136 DIE(aTHX_ PL_no_func, "getgrent");
5140 if (GIMME != G_ARRAY) {
5141 PUSHs(sv = sv_newmortal());
5143 if (which == OP_GGRNAM)
5144 sv_setiv(sv, (IV)grent->gr_gid);
5146 sv_setpv(sv, grent->gr_name);
5152 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5153 sv_setpv(sv, grent->gr_name);
5155 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5157 sv_setpv(sv, grent->gr_passwd);
5160 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5161 sv_setiv(sv, (IV)grent->gr_gid);
5163 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5164 for (elem = grent->gr_mem; elem && *elem; elem++) {
5165 sv_catpv(sv, *elem);
5167 sv_catpvn(sv, " ", 1);
5173 DIE(aTHX_ PL_no_func, "getgrent");
5180 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5184 DIE(aTHX_ PL_no_func, "setgrent");
5191 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5195 DIE(aTHX_ PL_no_func, "endgrent");
5205 if (!(tmps = PerlProc_getlogin()))
5207 PUSHp(tmps, strlen(tmps));
5210 DIE(aTHX_ PL_no_func, "getlogin");
5214 /* Miscellaneous. */
5219 djSP; dMARK; dORIGMARK; dTARGET;
5220 register I32 items = SP - MARK;
5221 unsigned long a[20];
5227 while (++MARK <= SP) {
5228 if (SvTAINTED(*MARK)) {
5234 TAINT_PROPER("syscall");
5237 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5238 * or where sizeof(long) != sizeof(char*). But such machines will
5239 * not likely have syscall implemented either, so who cares?
5241 while (++MARK <= SP) {
5242 if (SvNIOK(*MARK) || !i)
5243 a[i++] = SvIV(*MARK);
5244 else if (*MARK == &PL_sv_undef)
5247 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5253 DIE(aTHX_ "Too many args to syscall");
5255 DIE(aTHX_ "Too few args to syscall");
5257 retval = syscall(a[0]);
5260 retval = syscall(a[0],a[1]);
5263 retval = syscall(a[0],a[1],a[2]);
5266 retval = syscall(a[0],a[1],a[2],a[3]);
5269 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5272 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5275 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5278 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5282 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5285 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5288 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5292 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5296 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5300 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5301 a[10],a[11],a[12],a[13]);
5303 #endif /* atarist */
5309 DIE(aTHX_ PL_no_func, "syscall");
5313 #ifdef FCNTL_EMULATE_FLOCK
5315 /* XXX Emulate flock() with fcntl().
5316 What's really needed is a good file locking module.
5320 fcntl_emulate_flock(int fd, int operation)
5324 switch (operation & ~LOCK_NB) {
5326 flock.l_type = F_RDLCK;
5329 flock.l_type = F_WRLCK;
5332 flock.l_type = F_UNLCK;
5338 flock.l_whence = SEEK_SET;
5339 flock.l_start = flock.l_len = (Off_t)0;
5341 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5344 #endif /* FCNTL_EMULATE_FLOCK */
5346 #ifdef LOCKF_EMULATE_FLOCK
5348 /* XXX Emulate flock() with lockf(). This is just to increase
5349 portability of scripts. The calls are not completely
5350 interchangeable. What's really needed is a good file
5354 /* The lockf() constants might have been defined in <unistd.h>.
5355 Unfortunately, <unistd.h> causes troubles on some mixed
5356 (BSD/POSIX) systems, such as SunOS 4.1.3.
5358 Further, the lockf() constants aren't POSIX, so they might not be
5359 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5360 just stick in the SVID values and be done with it. Sigh.
5364 # define F_ULOCK 0 /* Unlock a previously locked region */
5367 # define F_LOCK 1 /* Lock a region for exclusive use */
5370 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5373 # define F_TEST 3 /* Test a region for other processes locks */
5377 lockf_emulate_flock(int fd, int operation)
5383 /* flock locks entire file so for lockf we need to do the same */
5385 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5386 if (pos > 0) /* is seekable and needs to be repositioned */
5387 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5388 pos = -1; /* seek failed, so don't seek back afterwards */
5391 switch (operation) {
5393 /* LOCK_SH - get a shared lock */
5395 /* LOCK_EX - get an exclusive lock */
5397 i = lockf (fd, F_LOCK, 0);
5400 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5401 case LOCK_SH|LOCK_NB:
5402 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5403 case LOCK_EX|LOCK_NB:
5404 i = lockf (fd, F_TLOCK, 0);
5406 if ((errno == EAGAIN) || (errno == EACCES))
5407 errno = EWOULDBLOCK;
5410 /* LOCK_UN - unlock (non-blocking is a no-op) */
5412 case LOCK_UN|LOCK_NB:
5413 i = lockf (fd, F_ULOCK, 0);
5416 /* Default - can't decipher operation */
5423 if (pos > 0) /* need to restore position of the handle */
5424 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5429 #endif /* LOCKF_EMULATE_FLOCK */