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(F_SETLK) && defined (F_SETLKW)
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 is attempted */
806 if (varsv == SvRV(sv))
807 Perl_croak(aTHX_ "Self-ties are not supported");
808 sv_magic(varsv, sv, how, Nullch, 0);
811 SP = PL_stack_base + markoff;
820 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
823 if ((mg = SvTIED_mg(sv, how))) {
824 SV *obj = SvRV(mg->mg_obj);
827 if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
828 isGV(gv) && (cv = GvCV(gv))) {
830 XPUSHs(SvTIED_obj((SV*)gv, mg));
831 XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
834 call_sv((SV *)cv, G_VOID);
838 else if (ckWARN(WARN_UNTIE)) {
839 if (mg && SvREFCNT(obj) > 1)
840 Perl_warner(aTHX_ WARN_UNTIE,
841 "untie attempted while %"UVuf" inner references still exist",
842 (UV)SvREFCNT(obj) - 1 ) ;
853 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
856 if ((mg = SvTIED_mg(sv, how))) {
857 SV *osv = SvTIED_obj(sv, mg);
858 if (osv == mg->mg_obj)
859 osv = sv_mortalcopy(osv);
877 sv = sv_mortalcopy(&PL_sv_no);
878 sv_setpv(sv, "AnyDBM_File");
879 stash = gv_stashsv(sv, FALSE);
880 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
882 require_pv("AnyDBM_File.pm");
884 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
885 DIE(aTHX_ "No dbm on this machine");
895 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
897 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
900 call_sv((SV*)GvCV(gv), G_SCALAR);
903 if (!sv_isobject(TOPs)) {
908 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
911 call_sv((SV*)GvCV(gv), G_SCALAR);
915 if (sv_isobject(TOPs)) {
916 sv_unmagic((SV *) hv, 'P');
917 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
939 struct timeval timebuf;
940 struct timeval *tbuf = &timebuf;
944 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
949 # if BYTEORDER & 0xf0000
950 # define ORDERBYTE (0x88888888 - BYTEORDER)
952 # define ORDERBYTE (0x4444 - BYTEORDER)
958 for (i = 1; i <= 3; i++) {
966 /* little endians can use vecs directly */
967 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
968 # if SELECT_MIN_BITS > 1
969 /* If SELECT_MIN_BITS is greater than one we most probably will want
970 * to align the sizes with SELECT_MIN_BITS/8 because for example
971 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
972 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
973 * on (sets/tests/clears bits) is 32 bits. */
974 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
976 growsize = sizeof(fd_set);
985 masksize = NFDBITS / NBBY;
987 masksize = sizeof(long); /* documented int, everyone seems to use long */
989 growsize = maxlen + (masksize - (maxlen % masksize));
990 Zero(&fd_sets[0], 4, char*);
998 timebuf.tv_sec = (long)value;
999 value -= (NV)timebuf.tv_sec;
1000 timebuf.tv_usec = (long)(value * 1000000.0);
1003 tbuf = Null(struct timeval*);
1005 for (i = 1; i <= 3; i++) {
1011 else if (!SvPOK(sv))
1012 SvPV_force(sv,n_a); /* force string conversion */
1015 Sv_Grow(sv, growsize);
1019 while (++j <= growsize) {
1023 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1025 New(403, fd_sets[i], growsize, char);
1026 for (offset = 0; offset < growsize; offset += masksize) {
1027 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1028 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1031 fd_sets[i] = SvPVX(sv);
1035 nfound = PerlSock_select(
1037 (Select_fd_set_t) fd_sets[1],
1038 (Select_fd_set_t) fd_sets[2],
1039 (Select_fd_set_t) fd_sets[3],
1041 for (i = 1; i <= 3; i++) {
1044 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1046 for (offset = 0; offset < growsize; offset += masksize) {
1047 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1048 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1050 Safefree(fd_sets[i]);
1057 if (GIMME == G_ARRAY && tbuf) {
1058 value = (NV)(timebuf.tv_sec) +
1059 (NV)(timebuf.tv_usec) / 1000000.0;
1060 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1061 sv_setnv(sv, value);
1065 DIE(aTHX_ "select not implemented");
1070 Perl_setdefout(pTHX_ GV *gv)
1074 (void)SvREFCNT_inc(gv);
1076 SvREFCNT_dec(PL_defoutgv);
1083 GV *newdefout, *egv;
1086 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1088 egv = GvEGV(PL_defoutgv);
1093 XPUSHs(&PL_sv_undef);
1095 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1096 if (gvp && *gvp == egv) {
1097 gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
1101 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1106 if (!GvIO(newdefout))
1107 gv_IOadd(newdefout);
1108 setdefout(newdefout);
1125 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1126 I32 gimme = GIMME_V;
1128 XPUSHs(SvTIED_obj((SV*)gv, mg));
1131 call_method("GETC", gimme);
1134 if (gimme == G_SCALAR)
1135 SvSetMagicSV_nosteal(TARG, TOPs);
1138 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1141 sv_setpv(TARG, " ");
1142 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1149 return pp_sysread();
1153 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1156 register PERL_CONTEXT *cx;
1157 I32 gimme = GIMME_V;
1158 AV* padlist = CvPADLIST(cv);
1159 SV** svp = AvARRAY(padlist);
1165 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1167 SAVEVPTR(PL_curpad);
1168 PL_curpad = AvARRAY((AV*)svp[1]);
1170 setdefout(gv); /* locally select filehandle so $% et al work */
1203 SV *tmpsv = sv_newmortal();
1204 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1205 name = SvPV_nolen(tmpsv);
1208 DIE(aTHX_ "Undefined format \"%s\" called", name);
1209 DIE(aTHX_ "Not a format reference");
1212 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1214 IoFLAGS(io) &= ~IOf_DIDTOP;
1215 return doform(cv,gv,PL_op->op_next);
1221 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1222 register IO *io = GvIOp(gv);
1223 PerlIO *ofp = IoOFP(io);
1227 register PERL_CONTEXT *cx;
1229 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1230 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1231 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1232 PL_formtarget != PL_toptarget)
1236 if (!IoTOP_GV(io)) {
1240 if (!IoTOP_NAME(io)) {
1241 if (!IoFMT_NAME(io))
1242 IoFMT_NAME(io) = savepv(GvNAME(gv));
1243 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1244 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1245 if ((topgv && GvFORM(topgv)) ||
1246 !gv_fetchpv("top",FALSE,SVt_PVFM))
1247 IoTOP_NAME(io) = savepv(SvPVX(topname));
1249 IoTOP_NAME(io) = savepv("top");
1251 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1252 if (!topgv || !GvFORM(topgv)) {
1253 IoLINES_LEFT(io) = 100000000;
1256 IoTOP_GV(io) = topgv;
1258 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1259 I32 lines = IoLINES_LEFT(io);
1260 char *s = SvPVX(PL_formtarget);
1261 if (lines <= 0) /* Yow, header didn't even fit!!! */
1263 while (lines-- > 0) {
1264 s = strchr(s, '\n');
1270 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1271 sv_chop(PL_formtarget, s);
1272 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1275 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1276 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1277 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1279 PL_formtarget = PL_toptarget;
1280 IoFLAGS(io) |= IOf_DIDTOP;
1283 DIE(aTHX_ "bad top format reference");
1288 SV *sv = sv_newmortal();
1289 gv_efullname4(sv, fgv, Nullch, FALSE);
1290 name = SvPV_nolen(sv);
1293 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1296 DIE(aTHX_ "Undefined top format called");
1300 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1301 return doform(cv,gv,PL_op);
1305 POPBLOCK(cx,PL_curpm);
1311 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1313 /* integrate with report_evil_fh()? */
1316 SV* sv = sv_newmortal();
1317 gv_efullname4(sv, gv, Nullch, FALSE);
1318 name = SvPV_nolen(sv);
1321 Perl_warner(aTHX_ WARN_IO,
1322 "Filehandle %s opened only for input", name);
1324 Perl_warner(aTHX_ WARN_IO,
1325 "Filehandle opened only for input");
1327 else if (ckWARN(WARN_CLOSED))
1328 report_evil_fh(gv, io, PL_op->op_type);
1333 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1334 if (ckWARN(WARN_IO))
1335 Perl_warner(aTHX_ WARN_IO, "page overflow");
1337 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1341 FmLINES(PL_formtarget) = 0;
1342 SvCUR_set(PL_formtarget, 0);
1343 *SvEND(PL_formtarget) = '\0';
1344 if (IoFLAGS(io) & IOf_FLUSH)
1345 (void)PerlIO_flush(fp);
1349 PL_formtarget = PL_bodytarget;
1351 return pop_return();
1356 djSP; dMARK; dORIGMARK;
1364 if (PL_op->op_flags & OPf_STACKED)
1369 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1370 if (MARK == ORIGMARK) {
1373 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1377 *MARK = SvTIED_obj((SV*)gv, mg);
1380 call_method("PRINTF", G_SCALAR);
1383 MARK = ORIGMARK + 1;
1390 if (!(io = GvIO(gv))) {
1392 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1393 report_evil_fh(gv, io, PL_op->op_type);
1394 SETERRNO(EBADF,RMS$_IFI);
1397 else if (!(fp = IoOFP(io))) {
1398 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1399 /* integrate with report_evil_fh()? */
1403 gv_efullname4(sv, gv, Nullch, FALSE);
1404 name = SvPV_nolen(sv);
1407 Perl_warner(aTHX_ WARN_IO,
1408 "Filehandle %s opened only for input", name);
1410 Perl_warner(aTHX_ WARN_IO,
1411 "Filehandle opened only for input");
1413 else if (ckWARN(WARN_CLOSED))
1414 report_evil_fh(gv, io, PL_op->op_type);
1416 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1420 do_sprintf(sv, SP - MARK, MARK + 1);
1421 if (!do_print(sv, fp))
1424 if (IoFLAGS(io) & IOf_FLUSH)
1425 if (PerlIO_flush(fp) == EOF)
1436 PUSHs(&PL_sv_undef);
1457 /* Need TIEHANDLE method ? */
1459 tmps = SvPV(sv, len);
1460 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1461 IoLINES(GvIOp(gv)) = 0;
1465 PUSHs(&PL_sv_undef);
1472 djSP; dMARK; dORIGMARK; dTARGET;
1478 Sock_size_t bufsize;
1484 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1485 (mg = SvTIED_mg((SV*)gv, 'q')))
1490 *MARK = SvTIED_obj((SV*)gv, mg);
1492 call_method("READ", G_SCALAR);
1505 sv_setpvn(bufsv, "", 0);
1506 buffer = SvPV_force(bufsv, blen);
1507 length = SvIVx(*++MARK);
1509 DIE(aTHX_ "Negative length");
1512 offset = SvIVx(*++MARK);
1516 if (!io || !IoIFP(io))
1519 if (PL_op->op_type == OP_RECV) {
1520 char namebuf[MAXPATHLEN];
1521 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1522 bufsize = sizeof (struct sockaddr_in);
1524 bufsize = sizeof namebuf;
1526 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1530 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1534 buffer = SvGROW(bufsv, length+1);
1535 /* 'offset' means 'flags' here */
1536 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1537 (struct sockaddr *)namebuf, &bufsize);
1540 SvCUR_set(bufsv, length);
1541 *SvEND(bufsv) = '\0';
1542 (void)SvPOK_only(bufsv);
1544 /* This should not be marked tainted if the fp is marked clean */
1545 if (!(IoFLAGS(io) & IOf_UNTAINT))
1546 SvTAINTED_on(bufsv);
1548 sv_setpvn(TARG, namebuf, bufsize);
1553 if (PL_op->op_type == OP_RECV)
1554 DIE(aTHX_ PL_no_sock_func, "recv");
1558 DIE(aTHX_ "Offset outside string");
1561 bufsize = SvCUR(bufsv);
1562 buffer = SvGROW(bufsv, length+offset+1);
1563 if (offset > bufsize) { /* Zero any newly allocated space */
1564 Zero(buffer+bufsize, offset-bufsize, char);
1566 if (PL_op->op_type == OP_SYSREAD) {
1567 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1568 if (IoTYPE(io) == IoTYPE_SOCKET) {
1569 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1570 buffer+offset, length, 0);
1575 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1576 buffer+offset, length);
1580 #ifdef HAS_SOCKET__bad_code_maybe
1581 if (IoTYPE(io) == IoTYPE_SOCKET) {
1582 char namebuf[MAXPATHLEN];
1583 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1584 bufsize = sizeof (struct sockaddr_in);
1586 bufsize = sizeof namebuf;
1588 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1589 (struct sockaddr *)namebuf, &bufsize);
1594 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1595 /* fread() returns 0 on both error and EOF */
1596 if (length == 0 && PerlIO_error(IoIFP(io)))
1600 if ((IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout()
1601 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1603 /* integrate with report_evil_fh()? */
1606 SV* sv = sv_newmortal();
1607 gv_efullname4(sv, gv, Nullch, FALSE);
1608 name = SvPV_nolen(sv);
1611 Perl_warner(aTHX_ WARN_IO,
1612 "Filehandle %s opened only for output", name);
1614 Perl_warner(aTHX_ WARN_IO,
1615 "Filehandle opened only for output");
1619 SvCUR_set(bufsv, length+offset);
1620 *SvEND(bufsv) = '\0';
1621 (void)SvPOK_only(bufsv);
1623 /* This should not be marked tainted if the fp is marked clean */
1624 if (!(IoFLAGS(io) & IOf_UNTAINT))
1625 SvTAINTED_on(bufsv);
1638 int items = (SP - PL_stack_base) - TOPMARK;
1642 sv = sv_2mortal(newSViv(sv_len(*SP)));
1651 djSP; dMARK; dORIGMARK; dTARGET;
1663 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1667 *MARK = SvTIED_obj((SV*)gv, mg);
1669 call_method("WRITE", G_SCALAR);
1680 buffer = SvPV(bufsv, blen);
1681 #if Size_t_size > IVSIZE
1682 length = (Size_t)SvNVx(*++MARK);
1684 length = (Size_t)SvIVx(*++MARK);
1686 if ((SSize_t)length < 0)
1687 DIE(aTHX_ "Negative length");
1690 if (!io || !IoIFP(io)) {
1692 if (ckWARN(WARN_CLOSED))
1693 report_evil_fh(gv, io, PL_op->op_type);
1695 else if (PL_op->op_type == OP_SYSWRITE) {
1697 offset = SvIVx(*++MARK);
1700 DIE(aTHX_ "Offset outside string");
1702 } else if (offset >= blen && blen > 0)
1703 DIE(aTHX_ "Offset outside string");
1706 if (length > blen - offset)
1707 length = blen - offset;
1708 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1709 if (IoTYPE(io) == IoTYPE_SOCKET) {
1710 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1711 buffer+offset, length, 0);
1716 /* See the note at doio.c:do_print about filesize limits. --jhi */
1717 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1718 buffer+offset, length);
1722 else if (SP > MARK) {
1725 sockbuf = SvPVx(*++MARK, mlen);
1726 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1727 length, (struct sockaddr *)sockbuf, mlen);
1730 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1734 DIE(aTHX_ PL_no_sock_func, "send");
1739 #if Size_t_size > IVSIZE
1753 return pp_sysread();
1763 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1765 gv = PL_last_in_gv = PL_argvgv;
1767 if (io && !IoIFP(io)) {
1768 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1770 IoFLAGS(io) &= ~IOf_START;
1771 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1772 sv_setpvn(GvSV(gv), "-", 1);
1773 SvSETMAGIC(GvSV(gv));
1775 else if (!nextargv(gv))
1780 gv = PL_last_in_gv; /* eof */
1783 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1785 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1787 XPUSHs(SvTIED_obj((SV*)gv, mg));
1790 call_method("EOF", G_SCALAR);
1796 PUSHs(boolSV(!gv || do_eof(gv)));
1809 gv = PL_last_in_gv = (GV*)POPs;
1811 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1813 XPUSHs(SvTIED_obj((SV*)gv, mg));
1816 call_method("TELL", G_SCALAR);
1822 #if LSEEKSIZE > IVSIZE
1823 PUSHn( do_tell(gv) );
1825 PUSHi( do_tell(gv) );
1832 return pp_sysseek();
1840 #if LSEEKSIZE > IVSIZE
1841 Off_t offset = (Off_t)SvNVx(POPs);
1843 Off_t offset = (Off_t)SvIVx(POPs);
1847 gv = PL_last_in_gv = (GV*)POPs;
1849 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1851 XPUSHs(SvTIED_obj((SV*)gv, mg));
1852 #if LSEEKSIZE > IVSIZE
1853 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1855 XPUSHs(sv_2mortal(newSViv(offset)));
1857 XPUSHs(sv_2mortal(newSViv(whence)));
1860 call_method("SEEK", G_SCALAR);
1866 if (PL_op->op_type == OP_SEEK)
1867 PUSHs(boolSV(do_seek(gv, offset, whence)));
1869 Off_t sought = do_sysseek(gv, offset, whence);
1871 PUSHs(&PL_sv_undef);
1874 #if LSEEKSIZE > IVSIZE
1879 : newSVpvn(zero_but_true, ZBTLEN);
1880 PUSHs(sv_2mortal(sv));
1889 /* There seems to be no consensus on the length type of truncate()
1890 * and ftruncate(), both off_t and size_t have supporters. In
1891 * general one would think that when using large files, off_t is
1892 * at least as wide as size_t, so using an off_t should be okay. */
1893 /* XXX Configure probe for the length type of *truncate() needed XXX */
1899 #if Size_t_size > IVSIZE
1904 /* Checking for length < 0 is problematic as the type might or
1905 * might not be signed: if it is not, clever compilers will moan. */
1906 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1908 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1909 if (PL_op->op_flags & OPf_SPECIAL) {
1910 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1912 TAINT_PROPER("truncate");
1913 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1916 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
1918 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1920 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1930 if (SvTYPE(sv) == SVt_PVGV) {
1931 tmpgv = (GV*)sv; /* *main::FRED for example */
1934 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1935 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1939 name = SvPV(sv, n_a);
1940 TAINT_PROPER("truncate");
1942 if (truncate(name, len) < 0)
1947 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1950 if (my_chsize(tmpfd, len) < 0)
1952 PerlLIO_close(tmpfd);
1961 SETERRNO(EBADF,RMS$_IFI);
1964 DIE(aTHX_ "truncate not implemented");
1977 unsigned int func = U_I(POPn);
1978 int optype = PL_op->op_type;
1984 if (!io || !argsv || !IoIFP(io)) {
1985 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1989 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1992 s = SvPV_force(argsv, len);
1993 need = IOCPARM_LEN(func);
1995 s = Sv_Grow(argsv, need + 1);
1996 SvCUR_set(argsv, need);
1999 s[SvCUR(argsv)] = 17; /* a little sanity check here */
2002 retval = SvIV(argsv);
2003 s = INT2PTR(char*,retval); /* ouch */
2006 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
2008 if (optype == OP_IOCTL)
2010 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
2012 DIE(aTHX_ "ioctl is not implemented");
2016 #if defined(OS2) && defined(__EMX__)
2017 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
2019 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2022 DIE(aTHX_ "fcntl is not implemented");
2026 if (s[SvCUR(argsv)] != 17)
2027 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2028 PL_op_name[optype]);
2029 s[SvCUR(argsv)] = 0; /* put our null back */
2030 SvSETMAGIC(argsv); /* Assume it has changed */
2039 PUSHp(zero_but_true, ZBTLEN);
2059 if (gv && (io = GvIO(gv)))
2066 (void)PerlIO_flush(fp);
2067 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2070 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2071 report_evil_fh(gv, io, PL_op->op_type);
2073 SETERRNO(EBADF,RMS$_IFI);
2078 DIE(aTHX_ PL_no_func, "flock()");
2090 int protocol = POPi;
2098 SETERRNO(EBADF,LIB$_INVARG);
2104 do_close(gv, FALSE);
2106 TAINT_PROPER("socket");
2107 fd = PerlSock_socket(domain, type, protocol);
2110 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2111 IoOFP(io) = PerlIO_fdopen(fd, "w");
2112 IoTYPE(io) = IoTYPE_SOCKET;
2113 if (!IoIFP(io) || !IoOFP(io)) {
2114 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2115 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2116 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2119 #if defined(HAS_FCNTL) && defined(F_SETFD)
2120 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2125 DIE(aTHX_ PL_no_sock_func, "socket");
2132 #ifdef HAS_SOCKETPAIR
2137 int protocol = POPi;
2150 do_close(gv1, FALSE);
2152 do_close(gv2, FALSE);
2154 TAINT_PROPER("socketpair");
2155 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2157 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2158 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2159 IoTYPE(io1) = IoTYPE_SOCKET;
2160 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2161 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2162 IoTYPE(io2) = IoTYPE_SOCKET;
2163 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2164 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2165 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2166 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2167 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2168 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2169 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2172 #if defined(HAS_FCNTL) && defined(F_SETFD)
2173 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2174 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2179 DIE(aTHX_ PL_no_sock_func, "socketpair");
2187 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2188 extern GETPRIVMODE();
2189 extern GETUSERMODE();
2194 register IO *io = GvIOn(gv);
2198 int mpeprivmode = 0;
2201 if (!io || !IoIFP(io))
2204 addr = SvPV(addrsv, len);
2205 TAINT_PROPER("bind");
2206 #ifdef MPE /* Deal with MPE bind() peculiarities */
2207 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2208 /* The address *MUST* stupidly be zero. */
2209 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2210 /* PRIV mode is required to bind() to ports < 1024. */
2211 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2212 ((struct sockaddr_in *)addr)->sin_port > 0) {
2213 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2218 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2219 (struct sockaddr *)addr, len) >= 0)
2222 #ifdef MPE /* Switch back to USER mode */
2233 if (ckWARN(WARN_CLOSED))
2234 report_evil_fh(gv, io, PL_op->op_type);
2235 SETERRNO(EBADF,SS$_IVCHAN);
2238 DIE(aTHX_ PL_no_sock_func, "bind");
2249 register IO *io = GvIOn(gv);
2252 if (!io || !IoIFP(io))
2255 addr = SvPV(addrsv, len);
2256 TAINT_PROPER("connect");
2257 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2263 if (ckWARN(WARN_CLOSED))
2264 report_evil_fh(gv, io, PL_op->op_type);
2265 SETERRNO(EBADF,SS$_IVCHAN);
2268 DIE(aTHX_ PL_no_sock_func, "connect");
2278 register IO *io = GvIOn(gv);
2280 if (!io || !IoIFP(io))
2283 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2289 if (ckWARN(WARN_CLOSED))
2290 report_evil_fh(gv, io, PL_op->op_type);
2291 SETERRNO(EBADF,SS$_IVCHAN);
2294 DIE(aTHX_ PL_no_sock_func, "listen");
2306 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2307 Sock_size_t len = sizeof saddr;
2319 if (!gstio || !IoIFP(gstio))
2324 do_close(ngv, FALSE);
2326 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2329 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2330 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2331 IoTYPE(nstio) = IoTYPE_SOCKET;
2332 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2333 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2334 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2335 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2338 #if defined(HAS_FCNTL) && defined(F_SETFD)
2339 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2343 len = sizeof saddr; /* EPOC somehow truncates info */
2346 PUSHp((char *)&saddr, len);
2350 if (ckWARN(WARN_CLOSED))
2351 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2352 SETERRNO(EBADF,SS$_IVCHAN);
2358 DIE(aTHX_ PL_no_sock_func, "accept");
2368 register IO *io = GvIOn(gv);
2370 if (!io || !IoIFP(io))
2373 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2377 if (ckWARN(WARN_CLOSED))
2378 report_evil_fh(gv, io, PL_op->op_type);
2379 SETERRNO(EBADF,SS$_IVCHAN);
2382 DIE(aTHX_ PL_no_sock_func, "shutdown");
2389 return pp_ssockopt();
2391 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2399 int optype = PL_op->op_type;
2402 unsigned int optname;
2408 if (optype == OP_GSOCKOPT)
2409 sv = sv_2mortal(NEWSV(22, 257));
2412 optname = (unsigned int) POPi;
2413 lvl = (unsigned int) POPi;
2417 if (!io || !IoIFP(io))
2420 fd = PerlIO_fileno(IoIFP(io));
2424 (void)SvPOK_only(sv);
2428 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2443 aint = (int)SvIV(sv);
2447 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2456 if (ckWARN(WARN_CLOSED))
2457 report_evil_fh(gv, io, optype);
2458 SETERRNO(EBADF,SS$_IVCHAN);
2463 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2470 return pp_getpeername();
2472 DIE(aTHX_ PL_no_sock_func, "getsockname");
2480 int optype = PL_op->op_type;
2484 register IO *io = GvIOn(gv);
2487 if (!io || !IoIFP(io))
2490 sv = sv_2mortal(NEWSV(22, 257));
2491 (void)SvPOK_only(sv);
2495 fd = PerlIO_fileno(IoIFP(io));
2497 case OP_GETSOCKNAME:
2498 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2501 case OP_GETPEERNAME:
2502 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2504 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2506 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";
2507 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2508 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2509 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2510 sizeof(u_short) + sizeof(struct in_addr))) {
2517 #ifdef BOGUS_GETNAME_RETURN
2518 /* Interactive Unix, getpeername() and getsockname()
2519 does not return valid namelen */
2520 if (len == BOGUS_GETNAME_RETURN)
2521 len = sizeof(struct sockaddr);
2529 if (ckWARN(WARN_CLOSED))
2530 report_evil_fh(gv, io, optype);
2531 SETERRNO(EBADF,SS$_IVCHAN);
2536 DIE(aTHX_ PL_no_sock_func, "getpeername");
2555 if (PL_op->op_flags & OPf_REF) {
2557 if (PL_op->op_type == OP_LSTAT && ckWARN(WARN_IO))
2558 Perl_warner(aTHX_ WARN_IO,
2559 "lstat() on filehandle %s", GvENAME(gv));
2561 if (gv != PL_defgv) {
2562 PL_laststype = OP_STAT;
2564 sv_setpv(PL_statname, "");
2565 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2566 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2568 if (PL_laststatval < 0) {
2570 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2571 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2577 if (SvTYPE(sv) == SVt_PVGV) {
2581 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2585 sv_setpv(PL_statname, SvPV(sv,n_a));
2588 PL_laststype = PL_op->op_type;
2589 if (PL_op->op_type == OP_LSTAT)
2590 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2593 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2594 if (PL_laststatval < 0) {
2595 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2596 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2602 if (gimme != G_ARRAY) {
2603 if (gimme != G_VOID)
2604 XPUSHs(boolSV(max));
2610 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2611 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2612 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2613 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2614 #if Uid_t_size > IVSIZE
2615 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2617 # if Uid_t_sign <= 0
2618 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2620 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2623 #if Gid_t_size > IVSIZE
2624 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2626 # if Gid_t_sign <= 0
2627 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2629 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2632 #ifdef USE_STAT_RDEV
2633 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2635 PUSHs(sv_2mortal(newSVpvn("", 0)));
2637 #if Off_t_size > IVSIZE
2638 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2640 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2643 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2644 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2645 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2647 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2648 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2649 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2651 #ifdef USE_STAT_BLOCKS
2652 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2653 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2655 PUSHs(sv_2mortal(newSVpvn("", 0)));
2656 PUSHs(sv_2mortal(newSVpvn("", 0)));
2666 #if defined(HAS_ACCESS) && defined(R_OK)
2668 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2669 result = access(TOPpx, R_OK);
2684 if (cando(S_IRUSR, 0, &PL_statcache))
2693 #if defined(HAS_ACCESS) && defined(W_OK)
2695 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2696 result = access(TOPpx, W_OK);
2711 if (cando(S_IWUSR, 0, &PL_statcache))
2720 #if defined(HAS_ACCESS) && defined(X_OK)
2722 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2723 result = access(TOPpx, X_OK);
2738 if (cando(S_IXUSR, 0, &PL_statcache))
2747 #ifdef PERL_EFF_ACCESS_R_OK
2749 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2750 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2765 if (cando(S_IRUSR, 1, &PL_statcache))
2774 #ifdef PERL_EFF_ACCESS_W_OK
2776 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2777 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2792 if (cando(S_IWUSR, 1, &PL_statcache))
2801 #ifdef PERL_EFF_ACCESS_X_OK
2803 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2804 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2819 if (cando(S_IXUSR, 1, &PL_statcache))
2826 I32 result = my_stat();
2835 return pp_ftrowned();
2840 I32 result = my_stat();
2844 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2852 I32 result = my_stat();
2856 if (PL_statcache.st_size == 0)
2863 I32 result = my_stat();
2867 #if Off_t_size > IVSIZE
2868 PUSHn(PL_statcache.st_size);
2870 PUSHi(PL_statcache.st_size);
2877 I32 result = my_stat();
2881 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2887 I32 result = my_stat();
2891 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2897 I32 result = my_stat();
2901 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2907 I32 result = my_stat();
2911 if (S_ISSOCK(PL_statcache.st_mode))
2918 I32 result = my_stat();
2922 if (S_ISCHR(PL_statcache.st_mode))
2929 I32 result = my_stat();
2933 if (S_ISBLK(PL_statcache.st_mode))
2940 I32 result = my_stat();
2944 if (S_ISREG(PL_statcache.st_mode))
2951 I32 result = my_stat();
2955 if (S_ISDIR(PL_statcache.st_mode))
2962 I32 result = my_stat();
2966 if (S_ISFIFO(PL_statcache.st_mode))
2973 I32 result = my_lstat();
2977 if (S_ISLNK(PL_statcache.st_mode))
2986 I32 result = my_stat();
2990 if (PL_statcache.st_mode & S_ISUID)
3000 I32 result = my_stat();
3004 if (PL_statcache.st_mode & S_ISGID)
3014 I32 result = my_stat();
3018 if (PL_statcache.st_mode & S_ISVTX)
3029 char *tmps = Nullch;
3032 if (PL_op->op_flags & OPf_REF)
3034 else if (isGV(TOPs))
3036 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3037 gv = (GV*)SvRV(POPs);
3039 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3041 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3042 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3043 else if (tmps && isDIGIT(*tmps))
3047 if (PerlLIO_isatty(fd))
3052 #if defined(atarist) /* this will work with atariST. Configure will
3053 make guesses for other systems. */
3054 # define FILE_base(f) ((f)->_base)
3055 # define FILE_ptr(f) ((f)->_ptr)
3056 # define FILE_cnt(f) ((f)->_cnt)
3057 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3067 register STDCHAR *s;
3074 if (PL_op->op_flags & OPf_REF)
3076 else if (isGV(TOPs))
3078 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3079 gv = (GV*)SvRV(POPs);
3085 if (gv == PL_defgv) {
3087 io = GvIO(PL_statgv);
3090 goto really_filename;
3095 PL_laststatval = -1;
3096 sv_setpv(PL_statname, "");
3097 io = GvIO(PL_statgv);
3099 if (io && IoIFP(io)) {
3100 if (! PerlIO_has_base(IoIFP(io)))
3101 DIE(aTHX_ "-T and -B not implemented on filehandles");
3102 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3103 if (PL_laststatval < 0)
3105 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3106 if (PL_op->op_type == OP_FTTEXT)
3110 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3111 i = PerlIO_getc(IoIFP(io));
3113 (void)PerlIO_ungetc(IoIFP(io),i);
3115 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3117 len = PerlIO_get_bufsiz(IoIFP(io));
3118 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3119 /* sfio can have large buffers - limit to 512 */
3125 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3127 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3129 SETERRNO(EBADF,RMS$_IFI);
3137 PL_laststatval = -1;
3138 sv_setpv(PL_statname, SvPV(sv, n_a));
3139 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3140 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3141 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3144 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3145 if (PL_laststatval < 0) {
3146 (void)PerlIO_close(fp);
3149 do_binmode(fp, '<', O_BINARY);
3150 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3151 (void)PerlIO_close(fp);
3153 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3154 RETPUSHNO; /* special case NFS directories */
3155 RETPUSHYES; /* null file is anything */
3160 /* now scan s to look for textiness */
3161 /* XXX ASCII dependent code */
3163 #if defined(DOSISH) || defined(USEMYBINMODE)
3164 /* ignore trailing ^Z on short files */
3165 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3169 for (i = 0; i < len; i++, s++) {
3170 if (!*s) { /* null never allowed in text */
3175 else if (!(isPRINT(*s) || isSPACE(*s)))
3178 else if (*s & 128) {
3180 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3183 /* utf8 characters don't count as odd */
3185 int ulen = UTF8SKIP(s);
3186 if (ulen < len - i) {
3188 for (j = 1; j < ulen; j++) {
3189 if ((s[j] & 0xc0) != 0x80)
3192 --ulen; /* loop does extra increment */
3202 *s != '\n' && *s != '\r' && *s != '\b' &&
3203 *s != '\t' && *s != '\f' && *s != 27)
3208 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3232 if (!tmps || !*tmps) {
3233 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3235 tmps = SvPV(*svp, n_a);
3237 if (!tmps || !*tmps) {
3238 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3240 tmps = SvPV(*svp, n_a);
3243 if (!tmps || !*tmps) {
3244 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3246 tmps = SvPV(*svp, n_a);
3249 TAINT_PROPER("chdir");
3250 PUSHi( PerlDir_chdir(tmps) >= 0 );
3252 /* Clear the DEFAULT element of ENV so we'll get the new value
3254 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3261 djSP; dMARK; dTARGET;
3264 value = (I32)apply(PL_op->op_type, MARK, SP);
3269 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3280 TAINT_PROPER("chroot");
3281 PUSHi( chroot(tmps) >= 0 );
3284 DIE(aTHX_ PL_no_func, "chroot");
3290 djSP; dMARK; dTARGET;
3292 value = (I32)apply(PL_op->op_type, MARK, SP);
3300 djSP; dMARK; dTARGET;
3302 value = (I32)apply(PL_op->op_type, MARK, SP);
3310 djSP; dMARK; dTARGET;
3312 value = (I32)apply(PL_op->op_type, MARK, SP);
3324 char *tmps2 = POPpx;
3325 char *tmps = SvPV(TOPs, n_a);
3326 TAINT_PROPER("rename");
3328 anum = PerlLIO_rename(tmps, tmps2);
3330 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3331 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3334 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3335 (void)UNLINK(tmps2);
3336 if (!(anum = link(tmps, tmps2)))
3337 anum = UNLINK(tmps);
3350 char *tmps2 = POPpx;
3351 char *tmps = SvPV(TOPs, n_a);
3352 TAINT_PROPER("link");
3353 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3355 DIE(aTHX_ PL_no_func, "Unsupported function link");
3365 char *tmps2 = POPpx;
3366 char *tmps = SvPV(TOPs, n_a);
3367 TAINT_PROPER("symlink");
3368 SETi( symlink(tmps, tmps2) >= 0 );
3371 DIE(aTHX_ PL_no_func, "symlink");
3380 char buf[MAXPATHLEN];
3384 #ifndef INCOMPLETE_TAINTS
3388 len = readlink(tmps, buf, sizeof buf);
3396 RETSETUNDEF; /* just pretend it's a normal file */
3400 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3402 S_dooneliner(pTHX_ char *cmd, char *filename)
3404 char *save_filename = filename;
3410 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3411 strcpy(cmdline, cmd);
3412 strcat(cmdline, " ");
3413 for (s = cmdline + strlen(cmdline); *filename; ) {
3418 myfp = PerlProc_popen(cmdline, "r");
3422 SV *tmpsv = sv_newmortal();
3423 /* Need to save/restore 'PL_rs' ?? */
3424 s = sv_gets(tmpsv, myfp, 0);
3425 (void)PerlProc_pclose(myfp);
3429 #ifdef HAS_SYS_ERRLIST
3434 /* you don't see this */
3436 #ifdef HAS_SYS_ERRLIST
3444 if (instr(s, errmsg)) {
3451 #define EACCES EPERM
3453 if (instr(s, "cannot make"))
3454 SETERRNO(EEXIST,RMS$_FEX);
3455 else if (instr(s, "existing file"))
3456 SETERRNO(EEXIST,RMS$_FEX);
3457 else if (instr(s, "ile exists"))
3458 SETERRNO(EEXIST,RMS$_FEX);
3459 else if (instr(s, "non-exist"))
3460 SETERRNO(ENOENT,RMS$_FNF);
3461 else if (instr(s, "does not exist"))
3462 SETERRNO(ENOENT,RMS$_FNF);
3463 else if (instr(s, "not empty"))
3464 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3465 else if (instr(s, "cannot access"))
3466 SETERRNO(EACCES,RMS$_PRV);
3468 SETERRNO(EPERM,RMS$_PRV);
3471 else { /* some mkdirs return no failure indication */
3472 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3473 if (PL_op->op_type == OP_RMDIR)
3478 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3502 tmps = SvPV(TOPs, n_a);
3504 TAINT_PROPER("mkdir");
3506 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3508 SETi( dooneliner("mkdir", tmps) );
3509 oldumask = PerlLIO_umask(0);
3510 PerlLIO_umask(oldumask);
3511 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3523 TAINT_PROPER("rmdir");
3525 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3527 XPUSHi( dooneliner("rmdir", tmps) );
3532 /* Directory calls. */
3537 #if defined(Direntry_t) && defined(HAS_READDIR)
3539 char *dirname = POPpx;
3541 register IO *io = GvIOn(gv);
3547 PerlDir_close(IoDIRP(io));
3548 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3554 SETERRNO(EBADF,RMS$_DIR);
3557 DIE(aTHX_ PL_no_dir_func, "opendir");
3564 #if defined(Direntry_t) && defined(HAS_READDIR)
3566 Direntry_t *readdir (DIR *);
3568 register Direntry_t *dp;
3570 register IO *io = GvIOn(gv);
3573 if (!io || !IoDIRP(io))
3576 if (GIMME == G_ARRAY) {
3578 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3580 sv = newSVpvn(dp->d_name, dp->d_namlen);
3582 sv = newSVpv(dp->d_name, 0);
3584 #ifndef INCOMPLETE_TAINTS
3585 if (!(IoFLAGS(io) & IOf_UNTAINT))
3588 XPUSHs(sv_2mortal(sv));
3592 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3595 sv = newSVpvn(dp->d_name, dp->d_namlen);
3597 sv = newSVpv(dp->d_name, 0);
3599 #ifndef INCOMPLETE_TAINTS
3600 if (!(IoFLAGS(io) & IOf_UNTAINT))
3603 XPUSHs(sv_2mortal(sv));
3609 SETERRNO(EBADF,RMS$_ISI);
3610 if (GIMME == G_ARRAY)
3615 DIE(aTHX_ PL_no_dir_func, "readdir");
3622 #if defined(HAS_TELLDIR) || defined(telldir)
3623 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3624 /* XXX netbsd still seemed to.
3625 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3626 --JHI 1999-Feb-02 */
3627 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3628 long telldir (DIR *);
3631 register IO *io = GvIOn(gv);
3633 if (!io || !IoDIRP(io))
3636 PUSHi( PerlDir_tell(IoDIRP(io)) );
3640 SETERRNO(EBADF,RMS$_ISI);
3643 DIE(aTHX_ PL_no_dir_func, "telldir");
3650 #if defined(HAS_SEEKDIR) || defined(seekdir)
3653 register IO *io = GvIOn(gv);
3655 if (!io || !IoDIRP(io))
3658 (void)PerlDir_seek(IoDIRP(io), along);
3663 SETERRNO(EBADF,RMS$_ISI);
3666 DIE(aTHX_ PL_no_dir_func, "seekdir");
3673 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3675 register IO *io = GvIOn(gv);
3677 if (!io || !IoDIRP(io))
3680 (void)PerlDir_rewind(IoDIRP(io));
3684 SETERRNO(EBADF,RMS$_ISI);
3687 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3694 #if defined(Direntry_t) && defined(HAS_READDIR)
3696 register IO *io = GvIOn(gv);
3698 if (!io || !IoDIRP(io))
3701 #ifdef VOID_CLOSEDIR
3702 PerlDir_close(IoDIRP(io));
3704 if (PerlDir_close(IoDIRP(io)) < 0) {
3705 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3714 SETERRNO(EBADF,RMS$_IFI);
3717 DIE(aTHX_ PL_no_dir_func, "closedir");
3721 /* Process control. */
3731 PERL_FLUSHALL_FOR_CHILD;
3737 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3738 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3739 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3744 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3749 PERL_FLUSHALL_FOR_CHILD;
3750 childpid = PerlProc_fork();
3756 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3763 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3768 childpid = wait4pid(-1, &argflags, 0);
3769 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3770 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3771 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3773 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3778 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3784 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3792 childpid = wait4pid(childpid, &argflags, optype);
3793 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3794 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3795 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3797 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3802 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3808 djSP; dMARK; dORIGMARK; dTARGET;
3813 Sigsave_t ihand,qhand; /* place to save signals during system() */
3818 if (SP - MARK == 1) {
3820 char *junk = SvPV(TOPs, n_a);
3822 TAINT_PROPER("system");
3825 PERL_FLUSHALL_FOR_CHILD;
3826 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3827 if (PerlProc_pipe(pp) >= 0)
3829 while ((childpid = vfork()) == -1) {
3830 if (errno != EAGAIN) {
3835 PerlLIO_close(pp[0]);
3836 PerlLIO_close(pp[1]);
3844 PerlLIO_close(pp[1]);
3846 rsignal_save(SIGINT, SIG_IGN, &ihand);
3847 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3850 result = wait4pid(childpid, &status, 0);
3851 } while (result == -1 && errno == EINTR);
3853 (void)rsignal_restore(SIGINT, &ihand);
3854 (void)rsignal_restore(SIGQUIT, &qhand);
3856 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3857 do_execfree(); /* free any memory child malloced on vfork */
3863 while (n < sizeof(int)) {
3864 n1 = PerlLIO_read(pp[0],
3865 (void*)(((char*)&errkid)+n),
3871 PerlLIO_close(pp[0]);
3872 if (n) { /* Error */
3873 if (n != sizeof(int))
3874 DIE(aTHX_ "panic: kid popen errno read");
3875 errno = errkid; /* Propagate errno from kid */
3876 STATUS_CURRENT = -1;
3879 PUSHi(STATUS_CURRENT);
3883 PerlLIO_close(pp[0]);
3884 #if defined(HAS_FCNTL) && defined(F_SETFD)
3885 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3888 if (PL_op->op_flags & OPf_STACKED) {
3889 SV *really = *++MARK;
3890 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3892 else if (SP - MARK != 1)
3893 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3895 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3898 #else /* ! FORK or VMS or OS/2 */
3901 if (PL_op->op_flags & OPf_STACKED) {
3902 SV *really = *++MARK;
3903 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3905 else if (SP - MARK != 1)
3906 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3908 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3910 if (PL_statusvalue == -1) /* hint that value must be returned as is */
3912 STATUS_NATIVE_SET(value);
3915 PUSHi(result ? value : STATUS_CURRENT);
3916 #endif /* !FORK or VMS */
3922 djSP; dMARK; dORIGMARK; dTARGET;
3926 PERL_FLUSHALL_FOR_CHILD;
3927 if (PL_op->op_flags & OPf_STACKED) {
3928 SV *really = *++MARK;
3929 value = (I32)do_aexec(really, MARK, SP);
3931 else if (SP - MARK != 1)
3933 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3937 (void ) do_aspawn(Nullsv, MARK, SP);
3941 value = (I32)do_aexec(Nullsv, MARK, SP);
3946 char *junk = SvPV(*SP, n_a);
3948 TAINT_PROPER("exec");
3951 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3954 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3957 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3962 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3974 djSP; dMARK; dTARGET;
3977 value = (I32)apply(PL_op->op_type, MARK, SP);
3982 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3990 XPUSHi( getppid() );
3993 DIE(aTHX_ PL_no_func, "getppid");
4009 pgrp = (I32)BSD_GETPGRP(pid);
4011 if (pid != 0 && pid != PerlProc_getpid())
4012 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4018 DIE(aTHX_ PL_no_func, "getpgrp()");
4037 TAINT_PROPER("setpgrp");
4039 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4041 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4042 || (pid != 0 && pid != PerlProc_getpid()))
4044 DIE(aTHX_ "setpgrp can't take arguments");
4046 SETi( setpgrp() >= 0 );
4047 #endif /* USE_BSDPGRP */
4050 DIE(aTHX_ PL_no_func, "setpgrp()");
4059 #ifdef HAS_GETPRIORITY
4062 SETi( getpriority(which, who) );
4065 DIE(aTHX_ PL_no_func, "getpriority()");
4075 #ifdef HAS_SETPRIORITY
4079 TAINT_PROPER("setpriority");
4080 SETi( setpriority(which, who, niceval) >= 0 );
4083 DIE(aTHX_ PL_no_func, "setpriority()");
4093 XPUSHn( time(Null(Time_t*)) );
4095 XPUSHi( time(Null(Time_t*)) );
4100 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4101 to HZ. Probably. For now, assume that if the system
4102 defines HZ, it does so correctly. (Will this break
4104 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4105 it's supported. --AD 9/96.
4121 DIE(aTHX_ "times not implemented");
4126 (void)PerlProc_times(&PL_timesbuf);
4128 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4129 /* struct tms, though same data */
4133 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4134 if (GIMME == G_ARRAY) {
4135 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4136 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4137 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4140 #endif /* HAS_TIMES */
4153 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4154 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4155 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4161 when = (Time_t)SvNVx(POPs);
4163 when = (Time_t)SvIVx(POPs);
4166 if (PL_op->op_type == OP_LOCALTIME)
4167 tmbuf = localtime(&when);
4169 tmbuf = gmtime(&when);
4173 if (GIMME != G_ARRAY) {
4177 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4178 dayname[tmbuf->tm_wday],
4179 monname[tmbuf->tm_mon],
4184 tmbuf->tm_year + 1900);
4185 PUSHs(sv_2mortal(tsv));
4188 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4189 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4190 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4191 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4192 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4193 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4194 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4195 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4196 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4207 anum = alarm((unsigned int)anum);
4214 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4225 (void)time(&lasttime);
4230 PerlProc_sleep((unsigned int)duration);
4233 XPUSHi(when - lasttime);
4237 /* Shared memory. */
4251 return pp_shmwrite();
4256 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4257 djSP; dMARK; dTARGET;
4258 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4267 /* Message passing. */
4281 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4282 djSP; dMARK; dTARGET;
4283 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4294 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4295 djSP; dMARK; dTARGET;
4296 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4309 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4310 djSP; dMARK; dTARGET;
4311 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4318 DIE(aTHX_ "System V IPC is not implemented on this machine");
4324 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4325 djSP; dMARK; dTARGET;
4326 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4334 PUSHp(zero_but_true, ZBTLEN);
4344 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4345 djSP; dMARK; dTARGET;
4346 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4355 /* Get system info. */
4359 #ifdef HAS_GETHOSTBYNAME
4360 return pp_ghostent();
4362 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4368 #ifdef HAS_GETHOSTBYADDR
4369 return pp_ghostent();
4371 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4378 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4379 I32 which = PL_op->op_type;
4380 register char **elem;
4382 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4383 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4384 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4385 struct hostent *PerlSock_gethostent(void);
4387 struct hostent *hent;
4392 if (which == OP_GHBYNAME)
4393 #ifdef HAS_GETHOSTBYNAME
4394 hent = PerlSock_gethostbyname(POPpx);
4396 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4398 else if (which == OP_GHBYADDR) {
4399 #ifdef HAS_GETHOSTBYADDR
4400 int addrtype = POPi;
4403 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4405 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4407 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4411 #ifdef HAS_GETHOSTENT
4412 hent = PerlSock_gethostent();
4414 DIE(aTHX_ PL_no_sock_func, "gethostent");
4417 #ifdef HOST_NOT_FOUND
4419 STATUS_NATIVE_SET(h_errno);
4422 if (GIMME != G_ARRAY) {
4423 PUSHs(sv = sv_newmortal());
4425 if (which == OP_GHBYNAME) {
4427 sv_setpvn(sv, hent->h_addr, hent->h_length);
4430 sv_setpv(sv, (char*)hent->h_name);
4436 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4437 sv_setpv(sv, (char*)hent->h_name);
4438 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4439 for (elem = hent->h_aliases; elem && *elem; elem++) {
4440 sv_catpv(sv, *elem);
4442 sv_catpvn(sv, " ", 1);
4444 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4445 sv_setiv(sv, (IV)hent->h_addrtype);
4446 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4447 len = hent->h_length;
4448 sv_setiv(sv, (IV)len);
4450 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4451 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4452 sv_setpvn(sv, *elem, len);
4455 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4457 sv_setpvn(sv, hent->h_addr, len);
4462 DIE(aTHX_ PL_no_sock_func, "gethostent");
4468 #ifdef HAS_GETNETBYNAME
4469 return pp_gnetent();
4471 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4477 #ifdef HAS_GETNETBYADDR
4478 return pp_gnetent();
4480 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4487 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4488 I32 which = PL_op->op_type;
4489 register char **elem;
4491 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4492 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4493 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4494 struct netent *PerlSock_getnetent(void);
4496 struct netent *nent;
4499 if (which == OP_GNBYNAME)
4500 #ifdef HAS_GETNETBYNAME
4501 nent = PerlSock_getnetbyname(POPpx);
4503 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4505 else if (which == OP_GNBYADDR) {
4506 #ifdef HAS_GETNETBYADDR
4507 int addrtype = POPi;
4508 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4509 nent = PerlSock_getnetbyaddr(addr, addrtype);
4511 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4515 #ifdef HAS_GETNETENT
4516 nent = PerlSock_getnetent();
4518 DIE(aTHX_ PL_no_sock_func, "getnetent");
4522 if (GIMME != G_ARRAY) {
4523 PUSHs(sv = sv_newmortal());
4525 if (which == OP_GNBYNAME)
4526 sv_setiv(sv, (IV)nent->n_net);
4528 sv_setpv(sv, nent->n_name);
4534 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4535 sv_setpv(sv, nent->n_name);
4536 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4537 for (elem = nent->n_aliases; elem && *elem; elem++) {
4538 sv_catpv(sv, *elem);
4540 sv_catpvn(sv, " ", 1);
4542 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4543 sv_setiv(sv, (IV)nent->n_addrtype);
4544 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4545 sv_setiv(sv, (IV)nent->n_net);
4550 DIE(aTHX_ PL_no_sock_func, "getnetent");
4556 #ifdef HAS_GETPROTOBYNAME
4557 return pp_gprotoent();
4559 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4565 #ifdef HAS_GETPROTOBYNUMBER
4566 return pp_gprotoent();
4568 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4575 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4576 I32 which = PL_op->op_type;
4577 register char **elem;
4579 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4580 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4581 struct protoent *PerlSock_getprotobynumber(int);
4582 struct protoent *PerlSock_getprotoent(void);
4584 struct protoent *pent;
4587 if (which == OP_GPBYNAME)
4588 #ifdef HAS_GETPROTOBYNAME
4589 pent = PerlSock_getprotobyname(POPpx);
4591 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4593 else if (which == OP_GPBYNUMBER)
4594 #ifdef HAS_GETPROTOBYNUMBER
4595 pent = PerlSock_getprotobynumber(POPi);
4597 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4600 #ifdef HAS_GETPROTOENT
4601 pent = PerlSock_getprotoent();
4603 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4607 if (GIMME != G_ARRAY) {
4608 PUSHs(sv = sv_newmortal());
4610 if (which == OP_GPBYNAME)
4611 sv_setiv(sv, (IV)pent->p_proto);
4613 sv_setpv(sv, pent->p_name);
4619 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4620 sv_setpv(sv, pent->p_name);
4621 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4622 for (elem = pent->p_aliases; elem && *elem; elem++) {
4623 sv_catpv(sv, *elem);
4625 sv_catpvn(sv, " ", 1);
4627 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4628 sv_setiv(sv, (IV)pent->p_proto);
4633 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4639 #ifdef HAS_GETSERVBYNAME
4640 return pp_gservent();
4642 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4648 #ifdef HAS_GETSERVBYPORT
4649 return pp_gservent();
4651 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4658 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4659 I32 which = PL_op->op_type;
4660 register char **elem;
4662 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4663 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4664 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4665 struct servent *PerlSock_getservent(void);
4667 struct servent *sent;
4670 if (which == OP_GSBYNAME) {
4671 #ifdef HAS_GETSERVBYNAME
4672 char *proto = POPpx;
4675 if (proto && !*proto)
4678 sent = PerlSock_getservbyname(name, proto);
4680 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4683 else if (which == OP_GSBYPORT) {
4684 #ifdef HAS_GETSERVBYPORT
4685 char *proto = POPpx;
4686 unsigned short port = POPu;
4689 port = PerlSock_htons(port);
4691 sent = PerlSock_getservbyport(port, proto);
4693 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4697 #ifdef HAS_GETSERVENT
4698 sent = PerlSock_getservent();
4700 DIE(aTHX_ PL_no_sock_func, "getservent");
4704 if (GIMME != G_ARRAY) {
4705 PUSHs(sv = sv_newmortal());
4707 if (which == OP_GSBYNAME) {
4709 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4711 sv_setiv(sv, (IV)(sent->s_port));
4715 sv_setpv(sv, sent->s_name);
4721 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4722 sv_setpv(sv, sent->s_name);
4723 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4724 for (elem = sent->s_aliases; elem && *elem; elem++) {
4725 sv_catpv(sv, *elem);
4727 sv_catpvn(sv, " ", 1);
4729 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4731 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4733 sv_setiv(sv, (IV)(sent->s_port));
4735 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4736 sv_setpv(sv, sent->s_proto);
4741 DIE(aTHX_ PL_no_sock_func, "getservent");
4748 #ifdef HAS_SETHOSTENT
4749 PerlSock_sethostent(TOPi);
4752 DIE(aTHX_ PL_no_sock_func, "sethostent");
4759 #ifdef HAS_SETNETENT
4760 PerlSock_setnetent(TOPi);
4763 DIE(aTHX_ PL_no_sock_func, "setnetent");
4770 #ifdef HAS_SETPROTOENT
4771 PerlSock_setprotoent(TOPi);
4774 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4781 #ifdef HAS_SETSERVENT
4782 PerlSock_setservent(TOPi);
4785 DIE(aTHX_ PL_no_sock_func, "setservent");
4792 #ifdef HAS_ENDHOSTENT
4793 PerlSock_endhostent();
4797 DIE(aTHX_ PL_no_sock_func, "endhostent");
4804 #ifdef HAS_ENDNETENT
4805 PerlSock_endnetent();
4809 DIE(aTHX_ PL_no_sock_func, "endnetent");
4816 #ifdef HAS_ENDPROTOENT
4817 PerlSock_endprotoent();
4821 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4828 #ifdef HAS_ENDSERVENT
4829 PerlSock_endservent();
4833 DIE(aTHX_ PL_no_sock_func, "endservent");
4842 DIE(aTHX_ PL_no_func, "getpwnam");
4851 DIE(aTHX_ PL_no_func, "getpwuid");
4859 I32 which = PL_op->op_type;
4862 struct passwd *pwent = NULL;
4864 * We currently support only the SysV getsp* shadow password interface.
4865 * The interface is declared in <shadow.h> and often one needs to link
4866 * with -lsecurity or some such.
4867 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
4870 * AIX getpwnam() is clever enough to return the encrypted password
4871 * only if the caller (euid?) is root.
4873 * There are at least two other shadow password APIs. Many platforms
4874 * seem to contain more than one interface for accessing the shadow
4875 * password databases, possibly for compatibility reasons.
4876 * The getsp*() is by far he simplest one, the other two interfaces
4877 * are much more complicated, but also very similar to each other.
4882 * struct pr_passwd *getprpw*();
4883 * The password is in
4884 * char getprpw*(...).ufld.fd_encrypt[]
4885 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
4890 * struct es_passwd *getespw*();
4891 * The password is in
4892 * char *(getespw*(...).ufld.fd_encrypt)
4893 * Mention HAS_GETESPWNAM here so that Configure probes for it.
4895 * Mention I_PROT here so that Configure probes for it.
4897 * In HP-UX for getprpw*() the manual page claims that one should include
4898 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
4899 * if one includes <shadow.h> as that includes <hpsecurity.h>,
4900 * and pp_sys.c already includes <shadow.h> if there is such.
4902 * Note that <sys/security.h> is already probed for, but currently
4903 * it is only included in special cases.
4905 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
4906 * be preferred interface, even though also the getprpw*() interface
4907 * is available) one needs to link with -lsecurity -ldb -laud -lm.
4908 * One also needs to call set_auth_parameters() in main() before
4909 * doing anything else, whether one is using getespw*() or getprpw*().
4911 * Note that accessing the shadow databases can be magnitudes
4912 * slower than accessing the standard databases.
4919 pwent = getpwnam(POPpx);
4922 pwent = getpwuid((Uid_t)POPi);
4925 # ifdef HAS_GETPWENT
4928 DIE(aTHX_ PL_no_func, "getpwent");
4934 if (GIMME != G_ARRAY) {
4935 PUSHs(sv = sv_newmortal());
4937 if (which == OP_GPWNAM)
4938 # if Uid_t_sign <= 0
4939 sv_setiv(sv, (IV)pwent->pw_uid);
4941 sv_setuv(sv, (UV)pwent->pw_uid);
4944 sv_setpv(sv, pwent->pw_name);
4950 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4951 sv_setpv(sv, pwent->pw_name);
4953 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4955 /* If we have getspnam(), we try to dig up the shadow
4956 * password. If we are underprivileged, the shadow
4957 * interface will set the errno to EACCES or similar,
4958 * and return a null pointer. If this happens, we will
4959 * use the dummy password (usually "*" or "x") from the
4960 * standard password database.
4962 * In theory we could skip the shadow call completely
4963 * if euid != 0 but in practice we cannot know which
4964 * security measures are guarding the shadow databases
4965 * on a random platform.
4967 * Resist the urge to use additional shadow interfaces.
4968 * Divert the urge to writing an extension instead.
4971 # ifdef HAS_GETSPNAM
4973 struct spwd *spwent;
4974 int saverrno; /* Save and restore errno so that
4975 * underprivileged attempts seem
4976 * to have never made the unsccessful
4977 * attempt to retrieve the shadow password. */
4980 spwent = getspnam(pwent->pw_name);
4982 if (spwent && spwent->sp_pwdp)
4983 sv_setpv(sv, spwent->sp_pwdp);
4987 if (!SvPOK(sv)) /* Use the standard password, then. */
4988 sv_setpv(sv, pwent->pw_passwd);
4991 # ifndef INCOMPLETE_TAINTS
4992 /* passwd is tainted because user himself can diddle with it.
4993 * admittedly not much and in a very limited way, but nevertheless. */
4997 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4998 # if Uid_t_sign <= 0
4999 sv_setiv(sv, (IV)pwent->pw_uid);
5001 sv_setuv(sv, (UV)pwent->pw_uid);
5004 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5005 # if Uid_t_sign <= 0
5006 sv_setiv(sv, (IV)pwent->pw_gid);
5008 sv_setuv(sv, (UV)pwent->pw_gid);
5010 /* pw_change, pw_quota, and pw_age are mutually exclusive--
5011 * because of the poor interface of the Perl getpw*(),
5012 * not because there's some standard/convention saying so.
5013 * A better interface would have been to return a hash,
5014 * but we are accursed by our history, alas. --jhi. */
5015 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5017 sv_setiv(sv, (IV)pwent->pw_change);
5020 sv_setiv(sv, (IV)pwent->pw_quota);
5023 sv_setpv(sv, pwent->pw_age);
5028 /* pw_class and pw_comment are mutually exclusive--.
5029 * see the above note for pw_change, pw_quota, and pw_age. */
5030 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5032 sv_setpv(sv, pwent->pw_class);
5035 sv_setpv(sv, pwent->pw_comment);
5039 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5041 sv_setpv(sv, pwent->pw_gecos);
5043 # ifndef INCOMPLETE_TAINTS
5044 /* pw_gecos is tainted because user himself can diddle with it. */
5048 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5049 sv_setpv(sv, pwent->pw_dir);
5051 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5052 sv_setpv(sv, pwent->pw_shell);
5053 # ifndef INCOMPLETE_TAINTS
5054 /* pw_shell is tainted because user himself can diddle with it. */
5059 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5060 sv_setiv(sv, (IV)pwent->pw_expire);
5065 DIE(aTHX_ PL_no_func, "getpwent");
5072 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5076 DIE(aTHX_ PL_no_func, "setpwent");
5083 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5087 DIE(aTHX_ PL_no_func, "endpwent");
5096 DIE(aTHX_ PL_no_func, "getgrnam");
5105 DIE(aTHX_ PL_no_func, "getgrgid");
5113 I32 which = PL_op->op_type;
5114 register char **elem;
5116 struct group *grent;
5119 if (which == OP_GGRNAM)
5120 grent = (struct group *)getgrnam(POPpx);
5121 else if (which == OP_GGRGID)
5122 grent = (struct group *)getgrgid(POPi);
5125 grent = (struct group *)getgrent();
5127 DIE(aTHX_ PL_no_func, "getgrent");
5131 if (GIMME != G_ARRAY) {
5132 PUSHs(sv = sv_newmortal());
5134 if (which == OP_GGRNAM)
5135 sv_setiv(sv, (IV)grent->gr_gid);
5137 sv_setpv(sv, grent->gr_name);
5143 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5144 sv_setpv(sv, grent->gr_name);
5146 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5148 sv_setpv(sv, grent->gr_passwd);
5151 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5152 sv_setiv(sv, (IV)grent->gr_gid);
5154 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5155 for (elem = grent->gr_mem; elem && *elem; elem++) {
5156 sv_catpv(sv, *elem);
5158 sv_catpvn(sv, " ", 1);
5164 DIE(aTHX_ PL_no_func, "getgrent");
5171 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5175 DIE(aTHX_ PL_no_func, "setgrent");
5182 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5186 DIE(aTHX_ PL_no_func, "endgrent");
5196 if (!(tmps = PerlProc_getlogin()))
5198 PUSHp(tmps, strlen(tmps));
5201 DIE(aTHX_ PL_no_func, "getlogin");
5205 /* Miscellaneous. */
5210 djSP; dMARK; dORIGMARK; dTARGET;
5211 register I32 items = SP - MARK;
5212 unsigned long a[20];
5218 while (++MARK <= SP) {
5219 if (SvTAINTED(*MARK)) {
5225 TAINT_PROPER("syscall");
5228 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5229 * or where sizeof(long) != sizeof(char*). But such machines will
5230 * not likely have syscall implemented either, so who cares?
5232 while (++MARK <= SP) {
5233 if (SvNIOK(*MARK) || !i)
5234 a[i++] = SvIV(*MARK);
5235 else if (*MARK == &PL_sv_undef)
5238 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5244 DIE(aTHX_ "Too many args to syscall");
5246 DIE(aTHX_ "Too few args to syscall");
5248 retval = syscall(a[0]);
5251 retval = syscall(a[0],a[1]);
5254 retval = syscall(a[0],a[1],a[2]);
5257 retval = syscall(a[0],a[1],a[2],a[3]);
5260 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5263 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5266 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5269 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5273 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5276 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5279 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5283 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5287 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5291 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5292 a[10],a[11],a[12],a[13]);
5294 #endif /* atarist */
5300 DIE(aTHX_ PL_no_func, "syscall");
5304 #ifdef FCNTL_EMULATE_FLOCK
5306 /* XXX Emulate flock() with fcntl().
5307 What's really needed is a good file locking module.
5311 fcntl_emulate_flock(int fd, int operation)
5315 switch (operation & ~LOCK_NB) {
5317 flock.l_type = F_RDLCK;
5320 flock.l_type = F_WRLCK;
5323 flock.l_type = F_UNLCK;
5329 flock.l_whence = SEEK_SET;
5330 flock.l_start = flock.l_len = (Off_t)0;
5332 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5335 #endif /* FCNTL_EMULATE_FLOCK */
5337 #ifdef LOCKF_EMULATE_FLOCK
5339 /* XXX Emulate flock() with lockf(). This is just to increase
5340 portability of scripts. The calls are not completely
5341 interchangeable. What's really needed is a good file
5345 /* The lockf() constants might have been defined in <unistd.h>.
5346 Unfortunately, <unistd.h> causes troubles on some mixed
5347 (BSD/POSIX) systems, such as SunOS 4.1.3.
5349 Further, the lockf() constants aren't POSIX, so they might not be
5350 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5351 just stick in the SVID values and be done with it. Sigh.
5355 # define F_ULOCK 0 /* Unlock a previously locked region */
5358 # define F_LOCK 1 /* Lock a region for exclusive use */
5361 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5364 # define F_TEST 3 /* Test a region for other processes locks */
5368 lockf_emulate_flock(int fd, int operation)
5374 /* flock locks entire file so for lockf we need to do the same */
5376 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5377 if (pos > 0) /* is seekable and needs to be repositioned */
5378 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5379 pos = -1; /* seek failed, so don't seek back afterwards */
5382 switch (operation) {
5384 /* LOCK_SH - get a shared lock */
5386 /* LOCK_EX - get an exclusive lock */
5388 i = lockf (fd, F_LOCK, 0);
5391 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5392 case LOCK_SH|LOCK_NB:
5393 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5394 case LOCK_EX|LOCK_NB:
5395 i = lockf (fd, F_TLOCK, 0);
5397 if ((errno == EAGAIN) || (errno == EACCES))
5398 errno = EWOULDBLOCK;
5401 /* LOCK_UN - unlock (non-blocking is a no-op) */
5403 case LOCK_UN|LOCK_NB:
5404 i = lockf (fd, F_ULOCK, 0);
5407 /* Default - can't decipher operation */
5414 if (pos > 0) /* need to restore position of the handle */
5415 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5420 #endif /* LOCKF_EMULATE_FLOCK */