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>
59 # include <sys/select.h>
63 /* XXX Configure test needed.
64 h_errno might not be a simple 'int', especially for multi-threaded
65 applications, see "extern int errno in perl.h". Creating such
66 a test requires taking into account the differences between
67 compiling multithreaded and singlethreaded ($ccflags et al).
68 HOST_NOT_FOUND is typically defined in <netdb.h>.
70 #if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__)
78 struct passwd *getpwnam (char *);
79 struct passwd *getpwuid (Uid_t);
82 struct passwd *getpwent (void);
90 struct group *getgrnam (char *);
91 struct group *getgrgid (Gid_t);
94 struct group *getgrent (void);
99 # if defined(_MSC_VER) || defined(__MINGW32__)
100 # include <sys/utime.h>
106 /* Put this after #includes because fork and vfork prototypes may conflict. */
112 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
115 # define my_chsize PerlLIO_chsize
120 #else /* no flock() */
122 /* fcntl.h might not have been included, even if it exists, because
123 the current Configure only sets I_FCNTL if it's needed to pick up
124 the *_OK constants. Make sure it has been included before testing
125 the fcntl() locking constants. */
126 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
130 # if defined(HAS_FCNTL) && defined(FCNTL_CAN_LOCK)
131 # define FLOCK fcntl_emulate_flock
132 # define FCNTL_EMULATE_FLOCK
133 # else /* no flock() or fcntl(F_SETLK,...) */
135 # define FLOCK lockf_emulate_flock
136 # define LOCKF_EMULATE_FLOCK
138 # endif /* no flock() or fcntl(F_SETLK,...) */
141 static int FLOCK (int, int);
144 * These are the flock() constants. Since this sytems doesn't have
145 * flock(), the values of the constants are probably not available.
159 # endif /* emulating flock() */
161 #endif /* no flock() */
164 static char zero_but_true[ZBTLEN + 1] = "0 but true";
166 #if defined(I_SYS_ACCESS) && !defined(R_OK)
167 # include <sys/access.h>
170 #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC)
171 # define FD_CLOEXEC 1 /* NeXT needs this */
174 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
175 #undef PERL_EFF_ACCESS_W_OK
176 #undef PERL_EFF_ACCESS_X_OK
178 /* F_OK unused: if stat() cannot find it... */
180 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
181 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
182 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
183 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
184 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
187 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
188 # ifdef I_SYS_SECURITY
189 # include <sys/security.h>
193 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
194 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
195 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
198 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
199 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
200 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
204 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
206 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
207 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
208 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
211 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
212 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
213 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
216 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
218 Uid_t ruid = getuid();
219 Uid_t euid = geteuid();
220 Gid_t rgid = getgid();
221 Gid_t egid = getegid();
225 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
226 Perl_croak(aTHX_ "switching effective uid is not implemented");
229 if (setreuid(euid, ruid))
232 if (setresuid(euid, ruid, (Uid_t)-1))
235 Perl_croak(aTHX_ "entering effective uid failed");
238 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
239 Perl_croak(aTHX_ "switching effective gid is not implemented");
242 if (setregid(egid, rgid))
245 if (setresgid(egid, rgid, (Gid_t)-1))
248 Perl_croak(aTHX_ "entering effective gid failed");
251 res = access(path, mode);
254 if (setreuid(ruid, euid))
257 if (setresuid(ruid, euid, (Uid_t)-1))
260 Perl_croak(aTHX_ "leaving effective uid failed");
263 if (setregid(rgid, egid))
266 if (setresgid(rgid, egid, (Gid_t)-1))
269 Perl_croak(aTHX_ "leaving effective gid failed");
274 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
275 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
276 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
279 #if !defined(PERL_EFF_ACCESS_R_OK)
281 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
283 Perl_croak(aTHX_ "switching effective uid is not implemented");
299 if (PL_op->op_private & OPpOPEN_IN_RAW)
301 else if (PL_op->op_private & OPpOPEN_IN_CRLF)
303 fp = PerlProc_popen(tmps, mode);
306 if (PL_curcop->cop_io) {
307 type = SvPV_nolen(PL_curcop->cop_io);
309 else if (O_BINARY != O_TEXT) {
313 PerlIO_apply_layers(aTHX_ fp,mode,type);
315 if (gimme == G_VOID) {
317 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
321 else if (gimme == G_SCALAR) {
322 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
323 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
334 if (sv_gets(sv, fp, 0) == Nullch) {
338 XPUSHs(sv_2mortal(sv));
339 if (SvLEN(sv) - SvCUR(sv) > 20) {
340 SvLEN_set(sv, SvCUR(sv)+1);
341 Renew(SvPVX(sv), SvLEN(sv), char);
346 STATUS_NATIVE_SET(PerlProc_pclose(fp));
347 TAINT; /* "I believe that this is not gratuitous!" */
350 STATUS_NATIVE_SET(-1);
351 if (gimme == G_SCALAR)
361 tryAMAGICunTARGET(iter, -1);
363 /* Note that we only ever get here if File::Glob fails to load
364 * without at the same time croaking, for some reason, or if
365 * perl was built with PERL_EXTERNAL_GLOB */
372 * The external globbing program may use things we can't control,
373 * so for security reasons we must assume the worst.
376 taint_proper(PL_no_security, "glob");
380 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
381 PL_last_in_gv = (GV*)*PL_stack_sp--;
383 SAVESPTR(PL_rs); /* This is not permanent, either. */
384 PL_rs = sv_2mortal(newSVpvn("\000", 1));
387 *SvPVX(PL_rs) = '\n';
391 result = do_readline();
396 #if 0 /* XXX never used! */
400 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
401 return do_readline();
407 PL_last_in_gv = cGVOP_gv;
408 return do_readline();
417 if (SP - MARK != 1) {
419 do_join(TARG, &PL_sv_no, MARK, SP);
426 tmps = SvPV(tmpsv, len);
429 (void)SvUPGRADE(error, SVt_PV);
430 if (SvPOK(error) && SvCUR(error))
431 sv_catpv(error, "\t...caught");
433 tmps = SvPV(tmpsv, len);
436 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
438 Perl_warn(aTHX_ "%"SVf, tmpsv);
449 if (SP - MARK != 1) {
451 do_join(TARG, &PL_sv_no, MARK, SP);
453 tmps = SvPV(tmpsv, len);
459 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
463 (void)SvUPGRADE(error, SVt_PV);
464 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
466 SvSetSV(error,tmpsv);
467 else if (sv_isobject(error)) {
468 HV *stash = SvSTASH(SvRV(error));
469 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
471 SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0));
472 SV *line = sv_2mortal(newSVuv(CopLINE(PL_curcop)));
479 call_sv((SV*)GvCV(gv),
480 G_SCALAR|G_EVAL|G_KEEPERR);
481 sv_setsv(error,*PL_stack_sp--);
487 if (SvPOK(error) && SvCUR(error))
488 sv_catpv(error, "\t...propagated");
490 tmps = SvPV(tmpsv, len);
494 tmpsv = sv_2mortal(newSVpvn("Died", 4));
496 DIE(aTHX_ "%"SVf, tmpsv);
519 DIE(aTHX_ PL_no_usym, "filehandle");
524 DIE(aTHX_ PL_no_usym, "filehandle");
526 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
528 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
530 XPUSHs(SvTIED_obj((SV*)gv, mg));
536 call_method("OPEN", G_SCALAR);
542 tmps = SvPV(sv, len);
543 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
544 PUSHi( (I32)PL_forkprocess );
545 else if (PL_forkprocess == 0) /* we are a new child */
563 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
565 XPUSHs(SvTIED_obj((SV*)gv, mg));
568 call_method("CLOSE", G_SCALAR);
574 PUSHs(boolSV(do_close(gv, TRUE)));
594 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
595 DIE(aTHX_ PL_no_usym, "filehandle");
600 do_close(rgv, FALSE);
602 do_close(wgv, FALSE);
604 if (PerlProc_pipe(fd) < 0)
607 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
608 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
609 IoIFP(wstio) = IoOFP(wstio);
610 IoTYPE(rstio) = IoTYPE_RDONLY;
611 IoTYPE(wstio) = IoTYPE_WRONLY;
613 if (!IoIFP(rstio) || !IoOFP(wstio)) {
614 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
615 else PerlLIO_close(fd[0]);
616 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
617 else PerlLIO_close(fd[1]);
620 #if defined(HAS_FCNTL) && defined(F_SETFD)
621 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
622 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
629 DIE(aTHX_ PL_no_func, "pipe");
645 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
647 XPUSHs(SvTIED_obj((SV*)gv, mg));
650 call_method("FILENO", G_SCALAR);
656 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
658 PUSHi(PerlIO_fileno(fp));
669 anum = PerlLIO_umask(0);
670 (void)PerlLIO_umask(anum);
673 anum = PerlLIO_umask(POPi);
674 TAINT_PROPER("umask");
677 /* Only DIE if trying to restrict permissions on `user' (self).
678 * Otherwise it's harmless and more useful to just return undef
679 * since 'group' and 'other' concepts probably don't exist here. */
680 if (MAXARG >= 1 && (POPi & 0700))
681 DIE(aTHX_ "umask not implemented");
682 XPUSHs(&PL_sv_undef);
703 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
705 XPUSHs(SvTIED_obj((SV*)gv, mg));
710 call_method("BINMODE", G_SCALAR);
717 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
720 if (do_binmode(fp,IoTYPE(io),mode_from_discipline(discp)))
734 I32 markoff = MARK - PL_stack_base;
741 switch(SvTYPE(varsv)) {
743 methname = "TIEHASH";
746 methname = "TIEARRAY";
749 methname = "TIEHANDLE";
753 methname = "TIESCALAR";
758 if (sv_isobject(*MARK)) {
760 PUSHSTACKi(PERLSI_MAGIC);
766 call_method(methname, G_SCALAR);
769 /* Not clear why we don't call call_method here too.
770 * perhaps to get different error message ?
772 stash = gv_stashsv(*MARK, FALSE);
773 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
774 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
775 methname, SvPV(*MARK,n_a));
778 PUSHSTACKi(PERLSI_MAGIC);
784 call_sv((SV*)GvCV(gv), G_SCALAR);
790 if (sv_isobject(sv)) {
791 sv_unmagic(varsv, how);
792 /* Croak if a self-tie on an aggregate is attempted. */
793 if (varsv == SvRV(sv) &&
794 (SvTYPE(sv) == SVt_PVAV ||
795 SvTYPE(sv) == SVt_PVHV))
797 "Self-ties of arrays and hashes are not supported");
798 sv_magic(varsv, sv, how, Nullch, 0);
801 SP = PL_stack_base + markoff;
810 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
813 if ((mg = SvTIED_mg(sv, how))) {
814 SV *obj = SvRV(mg->mg_obj);
817 if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
818 isGV(gv) && (cv = GvCV(gv))) {
820 XPUSHs(SvTIED_obj((SV*)gv, mg));
821 XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
824 call_sv((SV *)cv, G_VOID);
828 else if (ckWARN(WARN_UNTIE)) {
829 if (mg && SvREFCNT(obj) > 1)
830 Perl_warner(aTHX_ WARN_UNTIE,
831 "untie attempted while %"UVuf" inner references still exist",
832 (UV)SvREFCNT(obj) - 1 ) ;
843 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
846 if ((mg = SvTIED_mg(sv, how))) {
847 SV *osv = SvTIED_obj(sv, mg);
848 if (osv == mg->mg_obj)
849 osv = sv_mortalcopy(osv);
867 sv = sv_mortalcopy(&PL_sv_no);
868 sv_setpv(sv, "AnyDBM_File");
869 stash = gv_stashsv(sv, FALSE);
870 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
872 require_pv("AnyDBM_File.pm");
874 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
875 DIE(aTHX_ "No dbm on this machine");
885 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
887 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
890 call_sv((SV*)GvCV(gv), G_SCALAR);
893 if (!sv_isobject(TOPs)) {
898 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
901 call_sv((SV*)GvCV(gv), G_SCALAR);
905 if (sv_isobject(TOPs)) {
906 sv_unmagic((SV *) hv, 'P');
907 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
929 struct timeval timebuf;
930 struct timeval *tbuf = &timebuf;
934 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
939 # if BYTEORDER & 0xf0000
940 # define ORDERBYTE (0x88888888 - BYTEORDER)
942 # define ORDERBYTE (0x4444 - BYTEORDER)
948 for (i = 1; i <= 3; i++) {
956 /* little endians can use vecs directly */
957 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
958 # if SELECT_MIN_BITS > 1
959 /* If SELECT_MIN_BITS is greater than one we most probably will want
960 * to align the sizes with SELECT_MIN_BITS/8 because for example
961 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
962 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
963 * on (sets/tests/clears bits) is 32 bits. */
964 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
966 growsize = sizeof(fd_set);
975 masksize = NFDBITS / NBBY;
977 masksize = sizeof(long); /* documented int, everyone seems to use long */
979 growsize = maxlen + (masksize - (maxlen % masksize));
980 Zero(&fd_sets[0], 4, char*);
988 timebuf.tv_sec = (long)value;
989 value -= (NV)timebuf.tv_sec;
990 timebuf.tv_usec = (long)(value * 1000000.0);
993 tbuf = Null(struct timeval*);
995 for (i = 1; i <= 3; i++) {
1001 else if (!SvPOK(sv))
1002 SvPV_force(sv,n_a); /* force string conversion */
1005 Sv_Grow(sv, growsize);
1009 while (++j <= growsize) {
1013 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1015 New(403, fd_sets[i], growsize, char);
1016 for (offset = 0; offset < growsize; offset += masksize) {
1017 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1018 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1021 fd_sets[i] = SvPVX(sv);
1025 nfound = PerlSock_select(
1027 (Select_fd_set_t) fd_sets[1],
1028 (Select_fd_set_t) fd_sets[2],
1029 (Select_fd_set_t) fd_sets[3],
1031 for (i = 1; i <= 3; i++) {
1034 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1036 for (offset = 0; offset < growsize; offset += masksize) {
1037 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1038 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1040 Safefree(fd_sets[i]);
1047 if (GIMME == G_ARRAY && tbuf) {
1048 value = (NV)(timebuf.tv_sec) +
1049 (NV)(timebuf.tv_usec) / 1000000.0;
1050 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1051 sv_setnv(sv, value);
1055 DIE(aTHX_ "select not implemented");
1060 Perl_setdefout(pTHX_ GV *gv)
1064 (void)SvREFCNT_inc(gv);
1066 SvREFCNT_dec(PL_defoutgv);
1073 GV *newdefout, *egv;
1076 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1078 egv = GvEGV(PL_defoutgv);
1083 XPUSHs(&PL_sv_undef);
1085 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1086 if (gvp && *gvp == egv) {
1087 gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
1091 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1096 if (!GvIO(newdefout))
1097 gv_IOadd(newdefout);
1098 setdefout(newdefout);
1115 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1116 I32 gimme = GIMME_V;
1118 XPUSHs(SvTIED_obj((SV*)gv, mg));
1121 call_method("GETC", gimme);
1124 if (gimme == G_SCALAR)
1125 SvSetMagicSV_nosteal(TARG, TOPs);
1128 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1131 sv_setpv(TARG, " ");
1132 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1139 return pp_sysread();
1143 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1146 register PERL_CONTEXT *cx;
1147 I32 gimme = GIMME_V;
1148 AV* padlist = CvPADLIST(cv);
1149 SV** svp = AvARRAY(padlist);
1155 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1157 SAVEVPTR(PL_curpad);
1158 PL_curpad = AvARRAY((AV*)svp[1]);
1160 setdefout(gv); /* locally select filehandle so $% et al work */
1193 SV *tmpsv = sv_newmortal();
1194 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1195 name = SvPV_nolen(tmpsv);
1198 DIE(aTHX_ "Undefined format \"%s\" called", name);
1199 DIE(aTHX_ "Not a format reference");
1202 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1204 IoFLAGS(io) &= ~IOf_DIDTOP;
1205 return doform(cv,gv,PL_op->op_next);
1211 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1212 register IO *io = GvIOp(gv);
1213 PerlIO *ofp = IoOFP(io);
1217 register PERL_CONTEXT *cx;
1219 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1220 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1221 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1222 PL_formtarget != PL_toptarget)
1226 if (!IoTOP_GV(io)) {
1230 if (!IoTOP_NAME(io)) {
1231 if (!IoFMT_NAME(io))
1232 IoFMT_NAME(io) = savepv(GvNAME(gv));
1233 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1234 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1235 if ((topgv && GvFORM(topgv)) ||
1236 !gv_fetchpv("top",FALSE,SVt_PVFM))
1237 IoTOP_NAME(io) = savepv(SvPVX(topname));
1239 IoTOP_NAME(io) = savepv("top");
1241 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1242 if (!topgv || !GvFORM(topgv)) {
1243 IoLINES_LEFT(io) = 100000000;
1246 IoTOP_GV(io) = topgv;
1248 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1249 I32 lines = IoLINES_LEFT(io);
1250 char *s = SvPVX(PL_formtarget);
1251 if (lines <= 0) /* Yow, header didn't even fit!!! */
1253 while (lines-- > 0) {
1254 s = strchr(s, '\n');
1260 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1261 sv_chop(PL_formtarget, s);
1262 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1265 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1266 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1267 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1269 PL_formtarget = PL_toptarget;
1270 IoFLAGS(io) |= IOf_DIDTOP;
1273 DIE(aTHX_ "bad top format reference");
1278 SV *sv = sv_newmortal();
1279 gv_efullname4(sv, fgv, Nullch, FALSE);
1280 name = SvPV_nolen(sv);
1283 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1286 DIE(aTHX_ "Undefined top format called");
1290 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1291 return doform(cv,gv,PL_op);
1295 POPBLOCK(cx,PL_curpm);
1301 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1303 /* integrate with report_evil_fh()? */
1306 SV* sv = sv_newmortal();
1307 gv_efullname4(sv, gv, Nullch, FALSE);
1308 name = SvPV_nolen(sv);
1311 Perl_warner(aTHX_ WARN_IO,
1312 "Filehandle %s opened only for input", name);
1314 Perl_warner(aTHX_ WARN_IO,
1315 "Filehandle opened only for input");
1317 else if (ckWARN(WARN_CLOSED))
1318 report_evil_fh(gv, io, PL_op->op_type);
1323 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1324 if (ckWARN(WARN_IO))
1325 Perl_warner(aTHX_ WARN_IO, "page overflow");
1327 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1331 FmLINES(PL_formtarget) = 0;
1332 SvCUR_set(PL_formtarget, 0);
1333 *SvEND(PL_formtarget) = '\0';
1334 if (IoFLAGS(io) & IOf_FLUSH)
1335 (void)PerlIO_flush(fp);
1339 PL_formtarget = PL_bodytarget;
1341 return pop_return();
1346 djSP; dMARK; dORIGMARK;
1354 if (PL_op->op_flags & OPf_STACKED)
1359 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1360 if (MARK == ORIGMARK) {
1363 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1367 *MARK = SvTIED_obj((SV*)gv, mg);
1370 call_method("PRINTF", G_SCALAR);
1373 MARK = ORIGMARK + 1;
1380 if (!(io = GvIO(gv))) {
1382 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1383 report_evil_fh(gv, io, PL_op->op_type);
1384 SETERRNO(EBADF,RMS$_IFI);
1387 else if (!(fp = IoOFP(io))) {
1388 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1389 /* integrate with report_evil_fh()? */
1393 gv_efullname4(sv, gv, Nullch, FALSE);
1394 name = SvPV_nolen(sv);
1397 Perl_warner(aTHX_ WARN_IO,
1398 "Filehandle %s opened only for input", name);
1400 Perl_warner(aTHX_ WARN_IO,
1401 "Filehandle opened only for input");
1403 else if (ckWARN(WARN_CLOSED))
1404 report_evil_fh(gv, io, PL_op->op_type);
1406 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1410 do_sprintf(sv, SP - MARK, MARK + 1);
1411 if (!do_print(sv, fp))
1414 if (IoFLAGS(io) & IOf_FLUSH)
1415 if (PerlIO_flush(fp) == EOF)
1426 PUSHs(&PL_sv_undef);
1447 /* Need TIEHANDLE method ? */
1449 tmps = SvPV(sv, len);
1450 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1451 IoLINES(GvIOp(gv)) = 0;
1455 PUSHs(&PL_sv_undef);
1462 djSP; dMARK; dORIGMARK; dTARGET;
1468 Sock_size_t bufsize;
1474 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1475 (mg = SvTIED_mg((SV*)gv, 'q')))
1480 *MARK = SvTIED_obj((SV*)gv, mg);
1482 call_method("READ", G_SCALAR);
1495 sv_setpvn(bufsv, "", 0);
1496 buffer = SvPV_force(bufsv, blen);
1497 length = SvIVx(*++MARK);
1499 DIE(aTHX_ "Negative length");
1502 offset = SvIVx(*++MARK);
1506 if (!io || !IoIFP(io))
1509 if (PL_op->op_type == OP_RECV) {
1510 char namebuf[MAXPATHLEN];
1511 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1512 bufsize = sizeof (struct sockaddr_in);
1514 bufsize = sizeof namebuf;
1516 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1520 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1524 buffer = SvGROW(bufsv, length+1);
1525 /* 'offset' means 'flags' here */
1526 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1527 (struct sockaddr *)namebuf, &bufsize);
1530 SvCUR_set(bufsv, length);
1531 *SvEND(bufsv) = '\0';
1532 (void)SvPOK_only(bufsv);
1534 /* This should not be marked tainted if the fp is marked clean */
1535 if (!(IoFLAGS(io) & IOf_UNTAINT))
1536 SvTAINTED_on(bufsv);
1538 sv_setpvn(TARG, namebuf, bufsize);
1543 if (PL_op->op_type == OP_RECV)
1544 DIE(aTHX_ PL_no_sock_func, "recv");
1548 DIE(aTHX_ "Offset outside string");
1551 bufsize = SvCUR(bufsv);
1552 buffer = SvGROW(bufsv, length+offset+1);
1553 if (offset > bufsize) { /* Zero any newly allocated space */
1554 Zero(buffer+bufsize, offset-bufsize, char);
1556 if (PL_op->op_type == OP_SYSREAD) {
1557 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1558 if (IoTYPE(io) == IoTYPE_SOCKET) {
1559 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1560 buffer+offset, length, 0);
1565 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1566 buffer+offset, length);
1570 #ifdef HAS_SOCKET__bad_code_maybe
1571 if (IoTYPE(io) == IoTYPE_SOCKET) {
1572 char namebuf[MAXPATHLEN];
1573 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1574 bufsize = sizeof (struct sockaddr_in);
1576 bufsize = sizeof namebuf;
1578 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1579 (struct sockaddr *)namebuf, &bufsize);
1584 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1585 /* fread() returns 0 on both error and EOF */
1586 if (length == 0 && PerlIO_error(IoIFP(io)))
1590 if ((IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout()
1591 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1593 /* integrate with report_evil_fh()? */
1596 SV* sv = sv_newmortal();
1597 gv_efullname4(sv, gv, Nullch, FALSE);
1598 name = SvPV_nolen(sv);
1601 Perl_warner(aTHX_ WARN_IO,
1602 "Filehandle %s opened only for output", name);
1604 Perl_warner(aTHX_ WARN_IO,
1605 "Filehandle opened only for output");
1609 SvCUR_set(bufsv, length+offset);
1610 *SvEND(bufsv) = '\0';
1611 (void)SvPOK_only(bufsv);
1613 /* This should not be marked tainted if the fp is marked clean */
1614 if (!(IoFLAGS(io) & IOf_UNTAINT))
1615 SvTAINTED_on(bufsv);
1628 int items = (SP - PL_stack_base) - TOPMARK;
1632 sv = sv_2mortal(newSViv(sv_len(*SP)));
1641 djSP; dMARK; dORIGMARK; dTARGET;
1653 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1657 *MARK = SvTIED_obj((SV*)gv, mg);
1659 call_method("WRITE", G_SCALAR);
1670 buffer = SvPV(bufsv, blen);
1671 #if Size_t_size > IVSIZE
1672 length = (Size_t)SvNVx(*++MARK);
1674 length = (Size_t)SvIVx(*++MARK);
1676 if ((SSize_t)length < 0)
1677 DIE(aTHX_ "Negative length");
1680 if (!io || !IoIFP(io)) {
1682 if (ckWARN(WARN_CLOSED))
1683 report_evil_fh(gv, io, PL_op->op_type);
1685 else if (PL_op->op_type == OP_SYSWRITE) {
1687 offset = SvIVx(*++MARK);
1690 DIE(aTHX_ "Offset outside string");
1692 } else if (offset >= blen && blen > 0)
1693 DIE(aTHX_ "Offset outside string");
1696 if (length > blen - offset)
1697 length = blen - offset;
1698 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1699 if (IoTYPE(io) == IoTYPE_SOCKET) {
1700 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1701 buffer+offset, length, 0);
1706 /* See the note at doio.c:do_print about filesize limits. --jhi */
1707 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1708 buffer+offset, length);
1712 else if (SP > MARK) {
1715 sockbuf = SvPVx(*++MARK, mlen);
1716 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1717 length, (struct sockaddr *)sockbuf, mlen);
1720 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1724 DIE(aTHX_ PL_no_sock_func, "send");
1729 #if Size_t_size > IVSIZE
1743 return pp_sysread();
1753 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1755 gv = PL_last_in_gv = PL_argvgv;
1757 if (io && !IoIFP(io)) {
1758 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1760 IoFLAGS(io) &= ~IOf_START;
1761 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1762 sv_setpvn(GvSV(gv), "-", 1);
1763 SvSETMAGIC(GvSV(gv));
1765 else if (!nextargv(gv))
1770 gv = PL_last_in_gv; /* eof */
1773 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1775 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1777 XPUSHs(SvTIED_obj((SV*)gv, mg));
1780 call_method("EOF", G_SCALAR);
1786 PUSHs(boolSV(!gv || do_eof(gv)));
1799 gv = PL_last_in_gv = (GV*)POPs;
1801 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1803 XPUSHs(SvTIED_obj((SV*)gv, mg));
1806 call_method("TELL", G_SCALAR);
1812 #if LSEEKSIZE > IVSIZE
1813 PUSHn( do_tell(gv) );
1815 PUSHi( do_tell(gv) );
1822 return pp_sysseek();
1830 #if LSEEKSIZE > IVSIZE
1831 Off_t offset = (Off_t)SvNVx(POPs);
1833 Off_t offset = (Off_t)SvIVx(POPs);
1837 gv = PL_last_in_gv = (GV*)POPs;
1839 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1841 XPUSHs(SvTIED_obj((SV*)gv, mg));
1842 #if LSEEKSIZE > IVSIZE
1843 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1845 XPUSHs(sv_2mortal(newSViv(offset)));
1847 XPUSHs(sv_2mortal(newSViv(whence)));
1850 call_method("SEEK", G_SCALAR);
1856 if (PL_op->op_type == OP_SEEK)
1857 PUSHs(boolSV(do_seek(gv, offset, whence)));
1859 Off_t sought = do_sysseek(gv, offset, whence);
1861 PUSHs(&PL_sv_undef);
1864 #if LSEEKSIZE > IVSIZE
1869 : newSVpvn(zero_but_true, ZBTLEN);
1870 PUSHs(sv_2mortal(sv));
1879 /* There seems to be no consensus on the length type of truncate()
1880 * and ftruncate(), both off_t and size_t have supporters. In
1881 * general one would think that when using large files, off_t is
1882 * at least as wide as size_t, so using an off_t should be okay. */
1883 /* XXX Configure probe for the length type of *truncate() needed XXX */
1889 #if Size_t_size > IVSIZE
1894 /* Checking for length < 0 is problematic as the type might or
1895 * might not be signed: if it is not, clever compilers will moan. */
1896 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1898 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1899 if (PL_op->op_flags & OPf_SPECIAL) {
1900 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1902 TAINT_PROPER("truncate");
1903 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1906 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
1908 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1910 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1920 if (SvTYPE(sv) == SVt_PVGV) {
1921 tmpgv = (GV*)sv; /* *main::FRED for example */
1924 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1925 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1929 name = SvPV(sv, n_a);
1930 TAINT_PROPER("truncate");
1932 if (truncate(name, len) < 0)
1937 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1940 if (my_chsize(tmpfd, len) < 0)
1942 PerlLIO_close(tmpfd);
1951 SETERRNO(EBADF,RMS$_IFI);
1954 DIE(aTHX_ "truncate not implemented");
1967 unsigned int func = U_I(POPn);
1968 int optype = PL_op->op_type;
1974 if (!io || !argsv || !IoIFP(io)) {
1975 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1979 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1982 s = SvPV_force(argsv, len);
1983 need = IOCPARM_LEN(func);
1985 s = Sv_Grow(argsv, need + 1);
1986 SvCUR_set(argsv, need);
1989 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1992 retval = SvIV(argsv);
1993 s = INT2PTR(char*,retval); /* ouch */
1996 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1998 if (optype == OP_IOCTL)
2000 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
2002 DIE(aTHX_ "ioctl is not implemented");
2006 #if defined(OS2) && defined(__EMX__)
2007 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
2009 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2012 DIE(aTHX_ "fcntl is not implemented");
2016 if (s[SvCUR(argsv)] != 17)
2017 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2018 PL_op_name[optype]);
2019 s[SvCUR(argsv)] = 0; /* put our null back */
2020 SvSETMAGIC(argsv); /* Assume it has changed */
2029 PUSHp(zero_but_true, ZBTLEN);
2049 if (gv && (io = GvIO(gv)))
2056 (void)PerlIO_flush(fp);
2057 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2060 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2061 report_evil_fh(gv, io, PL_op->op_type);
2063 SETERRNO(EBADF,RMS$_IFI);
2068 DIE(aTHX_ PL_no_func, "flock()");
2080 int protocol = POPi;
2088 SETERRNO(EBADF,LIB$_INVARG);
2094 do_close(gv, FALSE);
2096 TAINT_PROPER("socket");
2097 fd = PerlSock_socket(domain, type, protocol);
2100 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2101 IoOFP(io) = PerlIO_fdopen(fd, "w");
2102 IoTYPE(io) = IoTYPE_SOCKET;
2103 if (!IoIFP(io) || !IoOFP(io)) {
2104 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2105 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2106 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2109 #if defined(HAS_FCNTL) && defined(F_SETFD)
2110 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2115 DIE(aTHX_ PL_no_sock_func, "socket");
2122 #ifdef HAS_SOCKETPAIR
2127 int protocol = POPi;
2140 do_close(gv1, FALSE);
2142 do_close(gv2, FALSE);
2144 TAINT_PROPER("socketpair");
2145 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2147 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2148 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2149 IoTYPE(io1) = IoTYPE_SOCKET;
2150 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2151 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2152 IoTYPE(io2) = IoTYPE_SOCKET;
2153 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2154 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2155 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2156 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2157 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2158 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2159 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2162 #if defined(HAS_FCNTL) && defined(F_SETFD)
2163 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2164 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2169 DIE(aTHX_ PL_no_sock_func, "socketpair");
2177 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2178 extern GETPRIVMODE();
2179 extern GETUSERMODE();
2184 register IO *io = GvIOn(gv);
2188 int mpeprivmode = 0;
2191 if (!io || !IoIFP(io))
2194 addr = SvPV(addrsv, len);
2195 TAINT_PROPER("bind");
2196 #ifdef MPE /* Deal with MPE bind() peculiarities */
2197 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2198 /* The address *MUST* stupidly be zero. */
2199 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2200 /* PRIV mode is required to bind() to ports < 1024. */
2201 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2202 ((struct sockaddr_in *)addr)->sin_port > 0) {
2203 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2208 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2209 (struct sockaddr *)addr, len) >= 0)
2212 #ifdef MPE /* Switch back to USER mode */
2223 if (ckWARN(WARN_CLOSED))
2224 report_evil_fh(gv, io, PL_op->op_type);
2225 SETERRNO(EBADF,SS$_IVCHAN);
2228 DIE(aTHX_ PL_no_sock_func, "bind");
2239 register IO *io = GvIOn(gv);
2242 if (!io || !IoIFP(io))
2245 addr = SvPV(addrsv, len);
2246 TAINT_PROPER("connect");
2247 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2253 if (ckWARN(WARN_CLOSED))
2254 report_evil_fh(gv, io, PL_op->op_type);
2255 SETERRNO(EBADF,SS$_IVCHAN);
2258 DIE(aTHX_ PL_no_sock_func, "connect");
2268 register IO *io = GvIOn(gv);
2270 if (!io || !IoIFP(io))
2273 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2279 if (ckWARN(WARN_CLOSED))
2280 report_evil_fh(gv, io, PL_op->op_type);
2281 SETERRNO(EBADF,SS$_IVCHAN);
2284 DIE(aTHX_ PL_no_sock_func, "listen");
2296 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2297 Sock_size_t len = sizeof saddr;
2309 if (!gstio || !IoIFP(gstio))
2314 do_close(ngv, FALSE);
2316 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2319 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2320 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2321 IoTYPE(nstio) = IoTYPE_SOCKET;
2322 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2323 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2324 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2325 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2328 #if defined(HAS_FCNTL) && defined(F_SETFD)
2329 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2333 len = sizeof saddr; /* EPOC somehow truncates info */
2336 PUSHp((char *)&saddr, len);
2340 if (ckWARN(WARN_CLOSED))
2341 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2342 SETERRNO(EBADF,SS$_IVCHAN);
2348 DIE(aTHX_ PL_no_sock_func, "accept");
2358 register IO *io = GvIOn(gv);
2360 if (!io || !IoIFP(io))
2363 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2367 if (ckWARN(WARN_CLOSED))
2368 report_evil_fh(gv, io, PL_op->op_type);
2369 SETERRNO(EBADF,SS$_IVCHAN);
2372 DIE(aTHX_ PL_no_sock_func, "shutdown");
2379 return pp_ssockopt();
2381 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2389 int optype = PL_op->op_type;
2392 unsigned int optname;
2398 if (optype == OP_GSOCKOPT)
2399 sv = sv_2mortal(NEWSV(22, 257));
2402 optname = (unsigned int) POPi;
2403 lvl = (unsigned int) POPi;
2407 if (!io || !IoIFP(io))
2410 fd = PerlIO_fileno(IoIFP(io));
2414 (void)SvPOK_only(sv);
2418 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2433 aint = (int)SvIV(sv);
2437 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2446 if (ckWARN(WARN_CLOSED))
2447 report_evil_fh(gv, io, optype);
2448 SETERRNO(EBADF,SS$_IVCHAN);
2453 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2460 return pp_getpeername();
2462 DIE(aTHX_ PL_no_sock_func, "getsockname");
2470 int optype = PL_op->op_type;
2474 register IO *io = GvIOn(gv);
2477 if (!io || !IoIFP(io))
2480 sv = sv_2mortal(NEWSV(22, 257));
2481 (void)SvPOK_only(sv);
2485 fd = PerlIO_fileno(IoIFP(io));
2487 case OP_GETSOCKNAME:
2488 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2491 case OP_GETPEERNAME:
2492 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2494 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2496 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";
2497 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2498 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2499 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2500 sizeof(u_short) + sizeof(struct in_addr))) {
2507 #ifdef BOGUS_GETNAME_RETURN
2508 /* Interactive Unix, getpeername() and getsockname()
2509 does not return valid namelen */
2510 if (len == BOGUS_GETNAME_RETURN)
2511 len = sizeof(struct sockaddr);
2519 if (ckWARN(WARN_CLOSED))
2520 report_evil_fh(gv, io, optype);
2521 SETERRNO(EBADF,SS$_IVCHAN);
2526 DIE(aTHX_ PL_no_sock_func, "getpeername");
2545 if (PL_op->op_flags & OPf_REF) {
2547 if (PL_op->op_type == OP_LSTAT) {
2548 if (PL_laststype != OP_LSTAT)
2549 Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
2550 if (ckWARN(WARN_IO) && gv != PL_defgv)
2551 Perl_warner(aTHX_ WARN_IO,
2552 "lstat() on filehandle %s", GvENAME(gv));
2553 /* Perl_my_lstat (-l) croak's on filehandle, why warn here? */
2557 if (gv != PL_defgv) {
2558 PL_laststype = OP_STAT;
2560 sv_setpv(PL_statname, "");
2561 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2562 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2564 if (PL_laststatval < 0) {
2566 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2567 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2573 if (SvTYPE(sv) == SVt_PVGV) {
2577 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2581 sv_setpv(PL_statname, SvPV(sv,n_a));
2584 PL_laststype = PL_op->op_type;
2585 if (PL_op->op_type == OP_LSTAT)
2586 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2589 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2590 if (PL_laststatval < 0) {
2591 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2592 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2598 if (gimme != G_ARRAY) {
2599 if (gimme != G_VOID)
2600 XPUSHs(boolSV(max));
2606 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2607 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2608 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2609 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2610 #if Uid_t_size > IVSIZE
2611 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2613 # if Uid_t_sign <= 0
2614 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2616 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2619 #if Gid_t_size > IVSIZE
2620 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2622 # if Gid_t_sign <= 0
2623 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2625 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2628 #ifdef USE_STAT_RDEV
2629 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2631 PUSHs(sv_2mortal(newSVpvn("", 0)));
2633 #if Off_t_size > IVSIZE
2634 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2636 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2639 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2640 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2641 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2643 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2644 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2645 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2647 #ifdef USE_STAT_BLOCKS
2648 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2649 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2651 PUSHs(sv_2mortal(newSVpvn("", 0)));
2652 PUSHs(sv_2mortal(newSVpvn("", 0)));
2662 #if defined(HAS_ACCESS) && defined(R_OK)
2664 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2665 result = access(TOPpx, R_OK);
2680 if (cando(S_IRUSR, 0, &PL_statcache))
2689 #if defined(HAS_ACCESS) && defined(W_OK)
2691 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2692 result = access(TOPpx, W_OK);
2707 if (cando(S_IWUSR, 0, &PL_statcache))
2716 #if defined(HAS_ACCESS) && defined(X_OK)
2718 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2719 result = access(TOPpx, X_OK);
2734 if (cando(S_IXUSR, 0, &PL_statcache))
2743 #ifdef PERL_EFF_ACCESS_R_OK
2745 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2746 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2761 if (cando(S_IRUSR, 1, &PL_statcache))
2770 #ifdef PERL_EFF_ACCESS_W_OK
2772 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2773 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2788 if (cando(S_IWUSR, 1, &PL_statcache))
2797 #ifdef PERL_EFF_ACCESS_X_OK
2799 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2800 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2815 if (cando(S_IXUSR, 1, &PL_statcache))
2822 I32 result = my_stat();
2831 return pp_ftrowned();
2836 I32 result = my_stat();
2840 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2848 I32 result = my_stat();
2852 if (PL_statcache.st_size == 0)
2859 I32 result = my_stat();
2863 #if Off_t_size > IVSIZE
2864 PUSHn(PL_statcache.st_size);
2866 PUSHi(PL_statcache.st_size);
2873 I32 result = my_stat();
2877 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2883 I32 result = my_stat();
2887 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2893 I32 result = my_stat();
2897 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2903 I32 result = my_stat();
2907 if (S_ISSOCK(PL_statcache.st_mode))
2914 I32 result = my_stat();
2918 if (S_ISCHR(PL_statcache.st_mode))
2925 I32 result = my_stat();
2929 if (S_ISBLK(PL_statcache.st_mode))
2936 I32 result = my_stat();
2940 if (S_ISREG(PL_statcache.st_mode))
2947 I32 result = my_stat();
2951 if (S_ISDIR(PL_statcache.st_mode))
2958 I32 result = my_stat();
2962 if (S_ISFIFO(PL_statcache.st_mode))
2969 I32 result = my_lstat();
2973 if (S_ISLNK(PL_statcache.st_mode))
2982 I32 result = my_stat();
2986 if (PL_statcache.st_mode & S_ISUID)
2996 I32 result = my_stat();
3000 if (PL_statcache.st_mode & S_ISGID)
3010 I32 result = my_stat();
3014 if (PL_statcache.st_mode & S_ISVTX)
3025 char *tmps = Nullch;
3028 if (PL_op->op_flags & OPf_REF)
3030 else if (isGV(TOPs))
3032 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3033 gv = (GV*)SvRV(POPs);
3035 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3037 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3038 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3039 else if (tmps && isDIGIT(*tmps))
3043 if (PerlLIO_isatty(fd))
3048 #if defined(atarist) /* this will work with atariST. Configure will
3049 make guesses for other systems. */
3050 # define FILE_base(f) ((f)->_base)
3051 # define FILE_ptr(f) ((f)->_ptr)
3052 # define FILE_cnt(f) ((f)->_cnt)
3053 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3063 register STDCHAR *s;
3070 if (PL_op->op_flags & OPf_REF)
3072 else if (isGV(TOPs))
3074 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3075 gv = (GV*)SvRV(POPs);
3081 if (gv == PL_defgv) {
3083 io = GvIO(PL_statgv);
3086 goto really_filename;
3091 PL_laststatval = -1;
3092 sv_setpv(PL_statname, "");
3093 io = GvIO(PL_statgv);
3095 if (io && IoIFP(io)) {
3096 if (! PerlIO_has_base(IoIFP(io)))
3097 DIE(aTHX_ "-T and -B not implemented on filehandles");
3098 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3099 if (PL_laststatval < 0)
3101 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3102 if (PL_op->op_type == OP_FTTEXT)
3106 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3107 i = PerlIO_getc(IoIFP(io));
3109 (void)PerlIO_ungetc(IoIFP(io),i);
3111 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3113 len = PerlIO_get_bufsiz(IoIFP(io));
3114 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3115 /* sfio can have large buffers - limit to 512 */
3121 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3123 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3125 SETERRNO(EBADF,RMS$_IFI);
3133 PL_laststatval = -1;
3134 sv_setpv(PL_statname, SvPV(sv, n_a));
3135 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3136 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3137 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3140 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3141 if (PL_laststatval < 0) {
3142 (void)PerlIO_close(fp);
3145 do_binmode(fp, '<', O_BINARY);
3146 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3147 (void)PerlIO_close(fp);
3149 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3150 RETPUSHNO; /* special case NFS directories */
3151 RETPUSHYES; /* null file is anything */
3156 /* now scan s to look for textiness */
3157 /* XXX ASCII dependent code */
3159 #if defined(DOSISH) || defined(USEMYBINMODE)
3160 /* ignore trailing ^Z on short files */
3161 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3165 for (i = 0; i < len; i++, s++) {
3166 if (!*s) { /* null never allowed in text */
3171 else if (!(isPRINT(*s) || isSPACE(*s)))
3174 else if (*s & 128) {
3176 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3179 /* utf8 characters don't count as odd */
3181 int ulen = UTF8SKIP(s);
3182 if (ulen < len - i) {
3184 for (j = 1; j < ulen; j++) {
3185 if ((s[j] & 0xc0) != 0x80)
3188 --ulen; /* loop does extra increment */
3198 *s != '\n' && *s != '\r' && *s != '\b' &&
3199 *s != '\t' && *s != '\f' && *s != 27)
3204 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3228 if (!tmps || !*tmps) {
3229 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3231 tmps = SvPV(*svp, n_a);
3233 if (!tmps || !*tmps) {
3234 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3236 tmps = SvPV(*svp, n_a);
3239 if (!tmps || !*tmps) {
3240 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3242 tmps = SvPV(*svp, n_a);
3245 TAINT_PROPER("chdir");
3246 PUSHi( PerlDir_chdir(tmps) >= 0 );
3248 /* Clear the DEFAULT element of ENV so we'll get the new value
3250 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3257 djSP; dMARK; dTARGET;
3260 value = (I32)apply(PL_op->op_type, MARK, SP);
3265 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3276 TAINT_PROPER("chroot");
3277 PUSHi( chroot(tmps) >= 0 );
3280 DIE(aTHX_ PL_no_func, "chroot");
3286 djSP; dMARK; dTARGET;
3288 value = (I32)apply(PL_op->op_type, MARK, SP);
3296 djSP; dMARK; dTARGET;
3298 value = (I32)apply(PL_op->op_type, MARK, SP);
3306 djSP; dMARK; dTARGET;
3308 value = (I32)apply(PL_op->op_type, MARK, SP);
3320 char *tmps2 = POPpx;
3321 char *tmps = SvPV(TOPs, n_a);
3322 TAINT_PROPER("rename");
3324 anum = PerlLIO_rename(tmps, tmps2);
3326 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3327 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3330 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3331 (void)UNLINK(tmps2);
3332 if (!(anum = link(tmps, tmps2)))
3333 anum = UNLINK(tmps);
3346 char *tmps2 = POPpx;
3347 char *tmps = SvPV(TOPs, n_a);
3348 TAINT_PROPER("link");
3349 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3351 DIE(aTHX_ PL_no_func, "Unsupported function link");
3361 char *tmps2 = POPpx;
3362 char *tmps = SvPV(TOPs, n_a);
3363 TAINT_PROPER("symlink");
3364 SETi( symlink(tmps, tmps2) >= 0 );
3367 DIE(aTHX_ PL_no_func, "symlink");
3376 char buf[MAXPATHLEN];
3380 #ifndef INCOMPLETE_TAINTS
3384 len = readlink(tmps, buf, sizeof buf);
3392 RETSETUNDEF; /* just pretend it's a normal file */
3396 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3398 S_dooneliner(pTHX_ char *cmd, char *filename)
3400 char *save_filename = filename;
3406 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3407 strcpy(cmdline, cmd);
3408 strcat(cmdline, " ");
3409 for (s = cmdline + strlen(cmdline); *filename; ) {
3414 myfp = PerlProc_popen(cmdline, "r");
3418 SV *tmpsv = sv_newmortal();
3419 /* Need to save/restore 'PL_rs' ?? */
3420 s = sv_gets(tmpsv, myfp, 0);
3421 (void)PerlProc_pclose(myfp);
3425 #ifdef HAS_SYS_ERRLIST
3430 /* you don't see this */
3432 #ifdef HAS_SYS_ERRLIST
3440 if (instr(s, errmsg)) {
3447 #define EACCES EPERM
3449 if (instr(s, "cannot make"))
3450 SETERRNO(EEXIST,RMS$_FEX);
3451 else if (instr(s, "existing file"))
3452 SETERRNO(EEXIST,RMS$_FEX);
3453 else if (instr(s, "ile exists"))
3454 SETERRNO(EEXIST,RMS$_FEX);
3455 else if (instr(s, "non-exist"))
3456 SETERRNO(ENOENT,RMS$_FNF);
3457 else if (instr(s, "does not exist"))
3458 SETERRNO(ENOENT,RMS$_FNF);
3459 else if (instr(s, "not empty"))
3460 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3461 else if (instr(s, "cannot access"))
3462 SETERRNO(EACCES,RMS$_PRV);
3464 SETERRNO(EPERM,RMS$_PRV);
3467 else { /* some mkdirs return no failure indication */
3468 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3469 if (PL_op->op_type == OP_RMDIR)
3474 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3498 tmps = SvPV(TOPs, n_a);
3500 TAINT_PROPER("mkdir");
3502 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3504 SETi( dooneliner("mkdir", tmps) );
3505 oldumask = PerlLIO_umask(0);
3506 PerlLIO_umask(oldumask);
3507 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3519 TAINT_PROPER("rmdir");
3521 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3523 XPUSHi( dooneliner("rmdir", tmps) );
3528 /* Directory calls. */
3533 #if defined(Direntry_t) && defined(HAS_READDIR)
3535 char *dirname = POPpx;
3537 register IO *io = GvIOn(gv);
3543 PerlDir_close(IoDIRP(io));
3544 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3550 SETERRNO(EBADF,RMS$_DIR);
3553 DIE(aTHX_ PL_no_dir_func, "opendir");
3560 #if defined(Direntry_t) && defined(HAS_READDIR)
3562 Direntry_t *readdir (DIR *);
3564 register Direntry_t *dp;
3566 register IO *io = GvIOn(gv);
3569 if (!io || !IoDIRP(io))
3572 if (GIMME == G_ARRAY) {
3574 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3576 sv = newSVpvn(dp->d_name, dp->d_namlen);
3578 sv = newSVpv(dp->d_name, 0);
3580 #ifndef INCOMPLETE_TAINTS
3581 if (!(IoFLAGS(io) & IOf_UNTAINT))
3584 XPUSHs(sv_2mortal(sv));
3588 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3591 sv = newSVpvn(dp->d_name, dp->d_namlen);
3593 sv = newSVpv(dp->d_name, 0);
3595 #ifndef INCOMPLETE_TAINTS
3596 if (!(IoFLAGS(io) & IOf_UNTAINT))
3599 XPUSHs(sv_2mortal(sv));
3605 SETERRNO(EBADF,RMS$_ISI);
3606 if (GIMME == G_ARRAY)
3611 DIE(aTHX_ PL_no_dir_func, "readdir");
3618 #if defined(HAS_TELLDIR) || defined(telldir)
3619 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3620 /* XXX netbsd still seemed to.
3621 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3622 --JHI 1999-Feb-02 */
3623 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3624 long telldir (DIR *);
3627 register IO *io = GvIOn(gv);
3629 if (!io || !IoDIRP(io))
3632 PUSHi( PerlDir_tell(IoDIRP(io)) );
3636 SETERRNO(EBADF,RMS$_ISI);
3639 DIE(aTHX_ PL_no_dir_func, "telldir");
3646 #if defined(HAS_SEEKDIR) || defined(seekdir)
3649 register IO *io = GvIOn(gv);
3651 if (!io || !IoDIRP(io))
3654 (void)PerlDir_seek(IoDIRP(io), along);
3659 SETERRNO(EBADF,RMS$_ISI);
3662 DIE(aTHX_ PL_no_dir_func, "seekdir");
3669 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3671 register IO *io = GvIOn(gv);
3673 if (!io || !IoDIRP(io))
3676 (void)PerlDir_rewind(IoDIRP(io));
3680 SETERRNO(EBADF,RMS$_ISI);
3683 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3690 #if defined(Direntry_t) && defined(HAS_READDIR)
3692 register IO *io = GvIOn(gv);
3694 if (!io || !IoDIRP(io))
3697 #ifdef VOID_CLOSEDIR
3698 PerlDir_close(IoDIRP(io));
3700 if (PerlDir_close(IoDIRP(io)) < 0) {
3701 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3710 SETERRNO(EBADF,RMS$_IFI);
3713 DIE(aTHX_ PL_no_dir_func, "closedir");
3717 /* Process control. */
3727 PERL_FLUSHALL_FOR_CHILD;
3733 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3734 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3735 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3740 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3745 PERL_FLUSHALL_FOR_CHILD;
3746 childpid = PerlProc_fork();
3752 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3759 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3764 childpid = wait4pid(-1, &argflags, 0);
3765 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3766 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3767 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3769 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3774 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3780 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3788 childpid = wait4pid(childpid, &argflags, optype);
3789 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3790 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3791 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3793 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3798 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3804 djSP; dMARK; dORIGMARK; dTARGET;
3809 Sigsave_t ihand,qhand; /* place to save signals during system() */
3814 if (SP - MARK == 1) {
3816 char *junk = SvPV(TOPs, n_a);
3818 TAINT_PROPER("system");
3821 PERL_FLUSHALL_FOR_CHILD;
3822 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3823 if (PerlProc_pipe(pp) >= 0)
3825 while ((childpid = vfork()) == -1) {
3826 if (errno != EAGAIN) {
3831 PerlLIO_close(pp[0]);
3832 PerlLIO_close(pp[1]);
3840 PerlLIO_close(pp[1]);
3842 rsignal_save(SIGINT, SIG_IGN, &ihand);
3843 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3846 result = wait4pid(childpid, &status, 0);
3847 } while (result == -1 && errno == EINTR);
3849 (void)rsignal_restore(SIGINT, &ihand);
3850 (void)rsignal_restore(SIGQUIT, &qhand);
3852 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3853 do_execfree(); /* free any memory child malloced on vfork */
3859 while (n < sizeof(int)) {
3860 n1 = PerlLIO_read(pp[0],
3861 (void*)(((char*)&errkid)+n),
3867 PerlLIO_close(pp[0]);
3868 if (n) { /* Error */
3869 if (n != sizeof(int))
3870 DIE(aTHX_ "panic: kid popen errno read");
3871 errno = errkid; /* Propagate errno from kid */
3872 STATUS_CURRENT = -1;
3875 PUSHi(STATUS_CURRENT);
3879 PerlLIO_close(pp[0]);
3880 #if defined(HAS_FCNTL) && defined(F_SETFD)
3881 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3884 if (PL_op->op_flags & OPf_STACKED) {
3885 SV *really = *++MARK;
3886 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3888 else if (SP - MARK != 1)
3889 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3891 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3894 #else /* ! FORK or VMS or OS/2 */
3897 if (PL_op->op_flags & OPf_STACKED) {
3898 SV *really = *++MARK;
3899 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3901 else if (SP - MARK != 1)
3902 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3904 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3906 if (PL_statusvalue == -1) /* hint that value must be returned as is */
3908 STATUS_NATIVE_SET(value);
3911 PUSHi(result ? value : STATUS_CURRENT);
3912 #endif /* !FORK or VMS */
3918 djSP; dMARK; dORIGMARK; dTARGET;
3922 PERL_FLUSHALL_FOR_CHILD;
3923 if (PL_op->op_flags & OPf_STACKED) {
3924 SV *really = *++MARK;
3925 value = (I32)do_aexec(really, MARK, SP);
3927 else if (SP - MARK != 1)
3929 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3933 (void ) do_aspawn(Nullsv, MARK, SP);
3937 value = (I32)do_aexec(Nullsv, MARK, SP);
3942 char *junk = SvPV(*SP, n_a);
3944 TAINT_PROPER("exec");
3947 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3950 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3953 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3958 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3970 djSP; dMARK; dTARGET;
3973 value = (I32)apply(PL_op->op_type, MARK, SP);
3978 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3986 XPUSHi( getppid() );
3989 DIE(aTHX_ PL_no_func, "getppid");
4005 pgrp = (I32)BSD_GETPGRP(pid);
4007 if (pid != 0 && pid != PerlProc_getpid())
4008 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4014 DIE(aTHX_ PL_no_func, "getpgrp()");
4033 TAINT_PROPER("setpgrp");
4035 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4037 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4038 || (pid != 0 && pid != PerlProc_getpid()))
4040 DIE(aTHX_ "setpgrp can't take arguments");
4042 SETi( setpgrp() >= 0 );
4043 #endif /* USE_BSDPGRP */
4046 DIE(aTHX_ PL_no_func, "setpgrp()");
4055 #ifdef HAS_GETPRIORITY
4058 SETi( getpriority(which, who) );
4061 DIE(aTHX_ PL_no_func, "getpriority()");
4071 #ifdef HAS_SETPRIORITY
4075 TAINT_PROPER("setpriority");
4076 SETi( setpriority(which, who, niceval) >= 0 );
4079 DIE(aTHX_ PL_no_func, "setpriority()");
4089 XPUSHn( time(Null(Time_t*)) );
4091 XPUSHi( time(Null(Time_t*)) );
4096 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4097 to HZ. Probably. For now, assume that if the system
4098 defines HZ, it does so correctly. (Will this break
4100 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4101 it's supported. --AD 9/96.
4117 DIE(aTHX_ "times not implemented");
4122 (void)PerlProc_times(&PL_timesbuf);
4124 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4125 /* struct tms, though same data */
4129 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4130 if (GIMME == G_ARRAY) {
4131 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4132 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4133 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4136 #endif /* HAS_TIMES */
4149 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4150 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4151 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4157 when = (Time_t)SvNVx(POPs);
4159 when = (Time_t)SvIVx(POPs);
4162 if (PL_op->op_type == OP_LOCALTIME)
4163 tmbuf = localtime(&when);
4165 tmbuf = gmtime(&when);
4169 if (GIMME != G_ARRAY) {
4173 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4174 dayname[tmbuf->tm_wday],
4175 monname[tmbuf->tm_mon],
4180 tmbuf->tm_year + 1900);
4181 PUSHs(sv_2mortal(tsv));
4184 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4185 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4186 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4187 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4188 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4189 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4190 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4191 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4192 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4203 anum = alarm((unsigned int)anum);
4210 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4221 (void)time(&lasttime);
4226 PerlProc_sleep((unsigned int)duration);
4229 XPUSHi(when - lasttime);
4233 /* Shared memory. */
4247 return pp_shmwrite();
4252 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4253 djSP; dMARK; dTARGET;
4254 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4263 /* Message passing. */
4277 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4278 djSP; dMARK; dTARGET;
4279 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4290 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4291 djSP; dMARK; dTARGET;
4292 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4305 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4306 djSP; dMARK; dTARGET;
4307 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4314 DIE(aTHX_ "System V IPC is not implemented on this machine");
4320 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4321 djSP; dMARK; dTARGET;
4322 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4330 PUSHp(zero_but_true, ZBTLEN);
4340 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4341 djSP; dMARK; dTARGET;
4342 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4351 /* Get system info. */
4355 #ifdef HAS_GETHOSTBYNAME
4356 return pp_ghostent();
4358 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4364 #ifdef HAS_GETHOSTBYADDR
4365 return pp_ghostent();
4367 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4374 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4375 I32 which = PL_op->op_type;
4376 register char **elem;
4378 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4379 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4380 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4381 struct hostent *PerlSock_gethostent(void);
4383 struct hostent *hent;
4388 if (which == OP_GHBYNAME)
4389 #ifdef HAS_GETHOSTBYNAME
4390 hent = PerlSock_gethostbyname(POPpx);
4392 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4394 else if (which == OP_GHBYADDR) {
4395 #ifdef HAS_GETHOSTBYADDR
4396 int addrtype = POPi;
4399 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4401 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4403 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4407 #ifdef HAS_GETHOSTENT
4408 hent = PerlSock_gethostent();
4410 DIE(aTHX_ PL_no_sock_func, "gethostent");
4413 #ifdef HOST_NOT_FOUND
4415 STATUS_NATIVE_SET(h_errno);
4418 if (GIMME != G_ARRAY) {
4419 PUSHs(sv = sv_newmortal());
4421 if (which == OP_GHBYNAME) {
4423 sv_setpvn(sv, hent->h_addr, hent->h_length);
4426 sv_setpv(sv, (char*)hent->h_name);
4432 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4433 sv_setpv(sv, (char*)hent->h_name);
4434 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4435 for (elem = hent->h_aliases; elem && *elem; elem++) {
4436 sv_catpv(sv, *elem);
4438 sv_catpvn(sv, " ", 1);
4440 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4441 sv_setiv(sv, (IV)hent->h_addrtype);
4442 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4443 len = hent->h_length;
4444 sv_setiv(sv, (IV)len);
4446 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4447 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4448 sv_setpvn(sv, *elem, len);
4451 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4453 sv_setpvn(sv, hent->h_addr, len);
4458 DIE(aTHX_ PL_no_sock_func, "gethostent");
4464 #ifdef HAS_GETNETBYNAME
4465 return pp_gnetent();
4467 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4473 #ifdef HAS_GETNETBYADDR
4474 return pp_gnetent();
4476 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4483 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4484 I32 which = PL_op->op_type;
4485 register char **elem;
4487 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4488 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4489 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4490 struct netent *PerlSock_getnetent(void);
4492 struct netent *nent;
4495 if (which == OP_GNBYNAME)
4496 #ifdef HAS_GETNETBYNAME
4497 nent = PerlSock_getnetbyname(POPpx);
4499 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4501 else if (which == OP_GNBYADDR) {
4502 #ifdef HAS_GETNETBYADDR
4503 int addrtype = POPi;
4504 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4505 nent = PerlSock_getnetbyaddr(addr, addrtype);
4507 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4511 #ifdef HAS_GETNETENT
4512 nent = PerlSock_getnetent();
4514 DIE(aTHX_ PL_no_sock_func, "getnetent");
4518 if (GIMME != G_ARRAY) {
4519 PUSHs(sv = sv_newmortal());
4521 if (which == OP_GNBYNAME)
4522 sv_setiv(sv, (IV)nent->n_net);
4524 sv_setpv(sv, nent->n_name);
4530 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4531 sv_setpv(sv, nent->n_name);
4532 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4533 for (elem = nent->n_aliases; elem && *elem; elem++) {
4534 sv_catpv(sv, *elem);
4536 sv_catpvn(sv, " ", 1);
4538 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4539 sv_setiv(sv, (IV)nent->n_addrtype);
4540 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4541 sv_setiv(sv, (IV)nent->n_net);
4546 DIE(aTHX_ PL_no_sock_func, "getnetent");
4552 #ifdef HAS_GETPROTOBYNAME
4553 return pp_gprotoent();
4555 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4561 #ifdef HAS_GETPROTOBYNUMBER
4562 return pp_gprotoent();
4564 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4571 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4572 I32 which = PL_op->op_type;
4573 register char **elem;
4575 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4576 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4577 struct protoent *PerlSock_getprotobynumber(int);
4578 struct protoent *PerlSock_getprotoent(void);
4580 struct protoent *pent;
4583 if (which == OP_GPBYNAME)
4584 #ifdef HAS_GETPROTOBYNAME
4585 pent = PerlSock_getprotobyname(POPpx);
4587 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4589 else if (which == OP_GPBYNUMBER)
4590 #ifdef HAS_GETPROTOBYNUMBER
4591 pent = PerlSock_getprotobynumber(POPi);
4593 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4596 #ifdef HAS_GETPROTOENT
4597 pent = PerlSock_getprotoent();
4599 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4603 if (GIMME != G_ARRAY) {
4604 PUSHs(sv = sv_newmortal());
4606 if (which == OP_GPBYNAME)
4607 sv_setiv(sv, (IV)pent->p_proto);
4609 sv_setpv(sv, pent->p_name);
4615 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4616 sv_setpv(sv, pent->p_name);
4617 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4618 for (elem = pent->p_aliases; elem && *elem; elem++) {
4619 sv_catpv(sv, *elem);
4621 sv_catpvn(sv, " ", 1);
4623 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4624 sv_setiv(sv, (IV)pent->p_proto);
4629 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4635 #ifdef HAS_GETSERVBYNAME
4636 return pp_gservent();
4638 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4644 #ifdef HAS_GETSERVBYPORT
4645 return pp_gservent();
4647 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4654 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4655 I32 which = PL_op->op_type;
4656 register char **elem;
4658 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4659 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4660 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4661 struct servent *PerlSock_getservent(void);
4663 struct servent *sent;
4666 if (which == OP_GSBYNAME) {
4667 #ifdef HAS_GETSERVBYNAME
4668 char *proto = POPpx;
4671 if (proto && !*proto)
4674 sent = PerlSock_getservbyname(name, proto);
4676 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4679 else if (which == OP_GSBYPORT) {
4680 #ifdef HAS_GETSERVBYPORT
4681 char *proto = POPpx;
4682 unsigned short port = POPu;
4685 port = PerlSock_htons(port);
4687 sent = PerlSock_getservbyport(port, proto);
4689 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4693 #ifdef HAS_GETSERVENT
4694 sent = PerlSock_getservent();
4696 DIE(aTHX_ PL_no_sock_func, "getservent");
4700 if (GIMME != G_ARRAY) {
4701 PUSHs(sv = sv_newmortal());
4703 if (which == OP_GSBYNAME) {
4705 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4707 sv_setiv(sv, (IV)(sent->s_port));
4711 sv_setpv(sv, sent->s_name);
4717 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4718 sv_setpv(sv, sent->s_name);
4719 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4720 for (elem = sent->s_aliases; elem && *elem; elem++) {
4721 sv_catpv(sv, *elem);
4723 sv_catpvn(sv, " ", 1);
4725 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4727 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4729 sv_setiv(sv, (IV)(sent->s_port));
4731 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4732 sv_setpv(sv, sent->s_proto);
4737 DIE(aTHX_ PL_no_sock_func, "getservent");
4744 #ifdef HAS_SETHOSTENT
4745 PerlSock_sethostent(TOPi);
4748 DIE(aTHX_ PL_no_sock_func, "sethostent");
4755 #ifdef HAS_SETNETENT
4756 PerlSock_setnetent(TOPi);
4759 DIE(aTHX_ PL_no_sock_func, "setnetent");
4766 #ifdef HAS_SETPROTOENT
4767 PerlSock_setprotoent(TOPi);
4770 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4777 #ifdef HAS_SETSERVENT
4778 PerlSock_setservent(TOPi);
4781 DIE(aTHX_ PL_no_sock_func, "setservent");
4788 #ifdef HAS_ENDHOSTENT
4789 PerlSock_endhostent();
4793 DIE(aTHX_ PL_no_sock_func, "endhostent");
4800 #ifdef HAS_ENDNETENT
4801 PerlSock_endnetent();
4805 DIE(aTHX_ PL_no_sock_func, "endnetent");
4812 #ifdef HAS_ENDPROTOENT
4813 PerlSock_endprotoent();
4817 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4824 #ifdef HAS_ENDSERVENT
4825 PerlSock_endservent();
4829 DIE(aTHX_ PL_no_sock_func, "endservent");
4838 DIE(aTHX_ PL_no_func, "getpwnam");
4847 DIE(aTHX_ PL_no_func, "getpwuid");
4855 I32 which = PL_op->op_type;
4858 struct passwd *pwent = NULL;
4860 * We currently support only the SysV getsp* shadow password interface.
4861 * The interface is declared in <shadow.h> and often one needs to link
4862 * with -lsecurity or some such.
4863 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
4866 * AIX getpwnam() is clever enough to return the encrypted password
4867 * only if the caller (euid?) is root.
4869 * There are at least two other shadow password APIs. Many platforms
4870 * seem to contain more than one interface for accessing the shadow
4871 * password databases, possibly for compatibility reasons.
4872 * The getsp*() is by far he simplest one, the other two interfaces
4873 * are much more complicated, but also very similar to each other.
4878 * struct pr_passwd *getprpw*();
4879 * The password is in
4880 * char getprpw*(...).ufld.fd_encrypt[]
4881 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
4886 * struct es_passwd *getespw*();
4887 * The password is in
4888 * char *(getespw*(...).ufld.fd_encrypt)
4889 * Mention HAS_GETESPWNAM here so that Configure probes for it.
4891 * Mention I_PROT here so that Configure probes for it.
4893 * In HP-UX for getprpw*() the manual page claims that one should include
4894 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
4895 * if one includes <shadow.h> as that includes <hpsecurity.h>,
4896 * and pp_sys.c already includes <shadow.h> if there is such.
4898 * Note that <sys/security.h> is already probed for, but currently
4899 * it is only included in special cases.
4901 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
4902 * be preferred interface, even though also the getprpw*() interface
4903 * is available) one needs to link with -lsecurity -ldb -laud -lm.
4904 * One also needs to call set_auth_parameters() in main() before
4905 * doing anything else, whether one is using getespw*() or getprpw*().
4907 * Note that accessing the shadow databases can be magnitudes
4908 * slower than accessing the standard databases.
4915 pwent = getpwnam(POPpx);
4918 pwent = getpwuid((Uid_t)POPi);
4921 # ifdef HAS_GETPWENT
4924 DIE(aTHX_ PL_no_func, "getpwent");
4930 if (GIMME != G_ARRAY) {
4931 PUSHs(sv = sv_newmortal());
4933 if (which == OP_GPWNAM)
4934 # if Uid_t_sign <= 0
4935 sv_setiv(sv, (IV)pwent->pw_uid);
4937 sv_setuv(sv, (UV)pwent->pw_uid);
4940 sv_setpv(sv, pwent->pw_name);
4946 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4947 sv_setpv(sv, pwent->pw_name);
4949 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4951 /* If we have getspnam(), we try to dig up the shadow
4952 * password. If we are underprivileged, the shadow
4953 * interface will set the errno to EACCES or similar,
4954 * and return a null pointer. If this happens, we will
4955 * use the dummy password (usually "*" or "x") from the
4956 * standard password database.
4958 * In theory we could skip the shadow call completely
4959 * if euid != 0 but in practice we cannot know which
4960 * security measures are guarding the shadow databases
4961 * on a random platform.
4963 * Resist the urge to use additional shadow interfaces.
4964 * Divert the urge to writing an extension instead.
4967 # ifdef HAS_GETSPNAM
4969 struct spwd *spwent;
4970 int saverrno; /* Save and restore errno so that
4971 * underprivileged attempts seem
4972 * to have never made the unsccessful
4973 * attempt to retrieve the shadow password. */
4976 spwent = getspnam(pwent->pw_name);
4978 if (spwent && spwent->sp_pwdp)
4979 sv_setpv(sv, spwent->sp_pwdp);
4983 if (!SvPOK(sv)) /* Use the standard password, then. */
4984 sv_setpv(sv, pwent->pw_passwd);
4987 # ifndef INCOMPLETE_TAINTS
4988 /* passwd is tainted because user himself can diddle with it.
4989 * admittedly not much and in a very limited way, but nevertheless. */
4993 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4994 # if Uid_t_sign <= 0
4995 sv_setiv(sv, (IV)pwent->pw_uid);
4997 sv_setuv(sv, (UV)pwent->pw_uid);
5000 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5001 # if Uid_t_sign <= 0
5002 sv_setiv(sv, (IV)pwent->pw_gid);
5004 sv_setuv(sv, (UV)pwent->pw_gid);
5006 /* pw_change, pw_quota, and pw_age are mutually exclusive--
5007 * because of the poor interface of the Perl getpw*(),
5008 * not because there's some standard/convention saying so.
5009 * A better interface would have been to return a hash,
5010 * but we are accursed by our history, alas. --jhi. */
5011 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5013 sv_setiv(sv, (IV)pwent->pw_change);
5016 sv_setiv(sv, (IV)pwent->pw_quota);
5019 sv_setpv(sv, pwent->pw_age);
5024 /* pw_class and pw_comment are mutually exclusive--.
5025 * see the above note for pw_change, pw_quota, and pw_age. */
5026 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5028 sv_setpv(sv, pwent->pw_class);
5031 sv_setpv(sv, pwent->pw_comment);
5035 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5037 sv_setpv(sv, pwent->pw_gecos);
5039 # ifndef INCOMPLETE_TAINTS
5040 /* pw_gecos is tainted because user himself can diddle with it. */
5044 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5045 sv_setpv(sv, pwent->pw_dir);
5047 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5048 sv_setpv(sv, pwent->pw_shell);
5049 # ifndef INCOMPLETE_TAINTS
5050 /* pw_shell is tainted because user himself can diddle with it. */
5055 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5056 sv_setiv(sv, (IV)pwent->pw_expire);
5061 DIE(aTHX_ PL_no_func, "getpwent");
5068 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5072 DIE(aTHX_ PL_no_func, "setpwent");
5079 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5083 DIE(aTHX_ PL_no_func, "endpwent");
5092 DIE(aTHX_ PL_no_func, "getgrnam");
5101 DIE(aTHX_ PL_no_func, "getgrgid");
5109 I32 which = PL_op->op_type;
5110 register char **elem;
5112 struct group *grent;
5115 if (which == OP_GGRNAM)
5116 grent = (struct group *)getgrnam(POPpx);
5117 else if (which == OP_GGRGID)
5118 grent = (struct group *)getgrgid(POPi);
5121 grent = (struct group *)getgrent();
5123 DIE(aTHX_ PL_no_func, "getgrent");
5127 if (GIMME != G_ARRAY) {
5128 PUSHs(sv = sv_newmortal());
5130 if (which == OP_GGRNAM)
5131 sv_setiv(sv, (IV)grent->gr_gid);
5133 sv_setpv(sv, grent->gr_name);
5139 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5140 sv_setpv(sv, grent->gr_name);
5142 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5144 sv_setpv(sv, grent->gr_passwd);
5147 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5148 sv_setiv(sv, (IV)grent->gr_gid);
5150 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5151 for (elem = grent->gr_mem; elem && *elem; elem++) {
5152 sv_catpv(sv, *elem);
5154 sv_catpvn(sv, " ", 1);
5160 DIE(aTHX_ PL_no_func, "getgrent");
5167 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5171 DIE(aTHX_ PL_no_func, "setgrent");
5178 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5182 DIE(aTHX_ PL_no_func, "endgrent");
5192 if (!(tmps = PerlProc_getlogin()))
5194 PUSHp(tmps, strlen(tmps));
5197 DIE(aTHX_ PL_no_func, "getlogin");
5201 /* Miscellaneous. */
5206 djSP; dMARK; dORIGMARK; dTARGET;
5207 register I32 items = SP - MARK;
5208 unsigned long a[20];
5214 while (++MARK <= SP) {
5215 if (SvTAINTED(*MARK)) {
5221 TAINT_PROPER("syscall");
5224 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5225 * or where sizeof(long) != sizeof(char*). But such machines will
5226 * not likely have syscall implemented either, so who cares?
5228 while (++MARK <= SP) {
5229 if (SvNIOK(*MARK) || !i)
5230 a[i++] = SvIV(*MARK);
5231 else if (*MARK == &PL_sv_undef)
5234 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5240 DIE(aTHX_ "Too many args to syscall");
5242 DIE(aTHX_ "Too few args to syscall");
5244 retval = syscall(a[0]);
5247 retval = syscall(a[0],a[1]);
5250 retval = syscall(a[0],a[1],a[2]);
5253 retval = syscall(a[0],a[1],a[2],a[3]);
5256 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5259 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5262 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5265 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5269 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5272 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5275 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],
5288 a[10],a[11],a[12],a[13]);
5290 #endif /* atarist */
5296 DIE(aTHX_ PL_no_func, "syscall");
5300 #ifdef FCNTL_EMULATE_FLOCK
5302 /* XXX Emulate flock() with fcntl().
5303 What's really needed is a good file locking module.
5307 fcntl_emulate_flock(int fd, int operation)
5311 switch (operation & ~LOCK_NB) {
5313 flock.l_type = F_RDLCK;
5316 flock.l_type = F_WRLCK;
5319 flock.l_type = F_UNLCK;
5325 flock.l_whence = SEEK_SET;
5326 flock.l_start = flock.l_len = (Off_t)0;
5328 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5331 #endif /* FCNTL_EMULATE_FLOCK */
5333 #ifdef LOCKF_EMULATE_FLOCK
5335 /* XXX Emulate flock() with lockf(). This is just to increase
5336 portability of scripts. The calls are not completely
5337 interchangeable. What's really needed is a good file
5341 /* The lockf() constants might have been defined in <unistd.h>.
5342 Unfortunately, <unistd.h> causes troubles on some mixed
5343 (BSD/POSIX) systems, such as SunOS 4.1.3.
5345 Further, the lockf() constants aren't POSIX, so they might not be
5346 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5347 just stick in the SVID values and be done with it. Sigh.
5351 # define F_ULOCK 0 /* Unlock a previously locked region */
5354 # define F_LOCK 1 /* Lock a region for exclusive use */
5357 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5360 # define F_TEST 3 /* Test a region for other processes locks */
5364 lockf_emulate_flock(int fd, int operation)
5370 /* flock locks entire file so for lockf we need to do the same */
5372 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5373 if (pos > 0) /* is seekable and needs to be repositioned */
5374 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5375 pos = -1; /* seek failed, so don't seek back afterwards */
5378 switch (operation) {
5380 /* LOCK_SH - get a shared lock */
5382 /* LOCK_EX - get an exclusive lock */
5384 i = lockf (fd, F_LOCK, 0);
5387 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5388 case LOCK_SH|LOCK_NB:
5389 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5390 case LOCK_EX|LOCK_NB:
5391 i = lockf (fd, F_TLOCK, 0);
5393 if ((errno == EAGAIN) || (errno == EACCES))
5394 errno = EWOULDBLOCK;
5397 /* LOCK_UN - unlock (non-blocking is a no-op) */
5399 case LOCK_UN|LOCK_NB:
5400 i = lockf (fd, F_ULOCK, 0);
5403 /* Default - can't decipher operation */
5410 if (pos > 0) /* need to restore position of the handle */
5411 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5416 #endif /* LOCKF_EMULATE_FLOCK */