3 * Copyright (c) 1991-2001, 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>. */
40 extern "C" int syscall(unsigned long,...);
45 # include <sys/wait.h>
49 # include <sys/resource.h>
54 # include <sys/select.h>
58 /* XXX Configure test needed.
59 h_errno might not be a simple 'int', especially for multi-threaded
60 applications, see "extern int errno in perl.h". Creating such
61 a test requires taking into account the differences between
62 compiling multithreaded and singlethreaded ($ccflags et al).
63 HOST_NOT_FOUND is typically defined in <netdb.h>.
65 #if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__)
73 struct passwd *getpwnam (char *);
74 struct passwd *getpwuid (Uid_t);
77 struct passwd *getpwent (void);
85 struct group *getgrnam (char *);
86 struct group *getgrgid (Gid_t);
89 struct group *getgrent (void);
94 # if defined(_MSC_VER) || defined(__MINGW32__)
95 # include <sys/utime.h>
101 /* Put this after #includes because fork and vfork prototypes may conflict. */
107 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
110 # define my_chsize PerlLIO_chsize
115 #else /* no flock() */
117 /* fcntl.h might not have been included, even if it exists, because
118 the current Configure only sets I_FCNTL if it's needed to pick up
119 the *_OK constants. Make sure it has been included before testing
120 the fcntl() locking constants. */
121 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
125 # if defined(HAS_FCNTL) && defined(FCNTL_CAN_LOCK)
126 # define FLOCK fcntl_emulate_flock
127 # define FCNTL_EMULATE_FLOCK
128 # else /* no flock() or fcntl(F_SETLK,...) */
130 # define FLOCK lockf_emulate_flock
131 # define LOCKF_EMULATE_FLOCK
133 # endif /* no flock() or fcntl(F_SETLK,...) */
136 static int FLOCK (int, int);
139 * These are the flock() constants. Since this sytems doesn't have
140 * flock(), the values of the constants are probably not available.
154 # endif /* emulating flock() */
156 #endif /* no flock() */
159 static char zero_but_true[ZBTLEN + 1] = "0 but true";
161 #if defined(I_SYS_ACCESS) && !defined(R_OK)
162 # include <sys/access.h>
165 #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC)
166 # define FD_CLOEXEC 1 /* NeXT needs this */
169 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
170 #undef PERL_EFF_ACCESS_W_OK
171 #undef PERL_EFF_ACCESS_X_OK
173 /* F_OK unused: if stat() cannot find it... */
175 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
176 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
177 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
178 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
179 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
182 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
183 # ifdef I_SYS_SECURITY
184 # include <sys/security.h>
188 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
189 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
190 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
193 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
194 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
195 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
199 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
201 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
202 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
203 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
206 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
207 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
208 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
211 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
213 Uid_t ruid = getuid();
214 Uid_t euid = geteuid();
215 Gid_t rgid = getgid();
216 Gid_t egid = getegid();
220 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
221 Perl_croak(aTHX_ "switching effective uid is not implemented");
224 if (setreuid(euid, ruid))
227 if (setresuid(euid, ruid, (Uid_t)-1))
230 Perl_croak(aTHX_ "entering effective uid failed");
233 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
234 Perl_croak(aTHX_ "switching effective gid is not implemented");
237 if (setregid(egid, rgid))
240 if (setresgid(egid, rgid, (Gid_t)-1))
243 Perl_croak(aTHX_ "entering effective gid failed");
246 res = access(path, mode);
249 if (setreuid(ruid, euid))
252 if (setresuid(ruid, euid, (Uid_t)-1))
255 Perl_croak(aTHX_ "leaving effective uid failed");
258 if (setregid(rgid, egid))
261 if (setresgid(rgid, egid, (Gid_t)-1))
264 Perl_croak(aTHX_ "leaving effective gid failed");
269 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
270 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
271 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
274 #if !defined(PERL_EFF_ACCESS_R_OK)
276 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
278 Perl_croak(aTHX_ "switching effective uid is not implemented");
294 if (PL_op->op_private & OPpOPEN_IN_RAW)
296 else if (PL_op->op_private & OPpOPEN_IN_CRLF)
298 fp = PerlProc_popen(tmps, mode);
301 if (PL_curcop->cop_io) {
302 type = SvPV_nolen(PL_curcop->cop_io);
305 PerlIO_apply_layers(aTHX_ fp,mode,type);
307 if (gimme == G_VOID) {
309 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
313 else if (gimme == G_SCALAR) {
314 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
315 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
326 if (sv_gets(sv, fp, 0) == Nullch) {
330 XPUSHs(sv_2mortal(sv));
331 if (SvLEN(sv) - SvCUR(sv) > 20) {
332 SvLEN_set(sv, SvCUR(sv)+1);
333 Renew(SvPVX(sv), SvLEN(sv), char);
338 STATUS_NATIVE_SET(PerlProc_pclose(fp));
339 TAINT; /* "I believe that this is not gratuitous!" */
342 STATUS_NATIVE_SET(-1);
343 if (gimme == G_SCALAR)
353 tryAMAGICunTARGET(iter, -1);
355 /* Note that we only ever get here if File::Glob fails to load
356 * without at the same time croaking, for some reason, or if
357 * perl was built with PERL_EXTERNAL_GLOB */
364 * The external globbing program may use things we can't control,
365 * so for security reasons we must assume the worst.
368 taint_proper(PL_no_security, "glob");
372 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
373 PL_last_in_gv = (GV*)*PL_stack_sp--;
375 SAVESPTR(PL_rs); /* This is not permanent, either. */
376 PL_rs = sv_2mortal(newSVpvn("\000", 1));
379 *SvPVX(PL_rs) = '\n';
383 result = do_readline();
388 #if 0 /* XXX never used! */
392 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
393 return do_readline();
399 PL_last_in_gv = cGVOP_gv;
400 return do_readline();
409 if (SP - MARK != 1) {
411 do_join(TARG, &PL_sv_no, MARK, SP);
418 tmps = SvPV(tmpsv, len);
421 (void)SvUPGRADE(error, SVt_PV);
422 if (SvPOK(error) && SvCUR(error))
423 sv_catpv(error, "\t...caught");
425 tmps = SvPV(tmpsv, len);
428 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
430 Perl_warn(aTHX_ "%"SVf, tmpsv);
441 if (SP - MARK != 1) {
443 do_join(TARG, &PL_sv_no, MARK, SP);
445 tmps = SvPV(tmpsv, len);
451 tmps = (SvROK(tmpsv) && PL_in_eval) ? Nullch : SvPV(tmpsv, len);
455 (void)SvUPGRADE(error, SVt_PV);
456 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
458 SvSetSV(error,tmpsv);
459 else if (sv_isobject(error)) {
460 HV *stash = SvSTASH(SvRV(error));
461 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
463 SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0));
464 SV *line = sv_2mortal(newSVuv(CopLINE(PL_curcop)));
471 call_sv((SV*)GvCV(gv),
472 G_SCALAR|G_EVAL|G_KEEPERR);
473 sv_setsv(error,*PL_stack_sp--);
479 if (SvPOK(error) && SvCUR(error))
480 sv_catpv(error, "\t...propagated");
482 tmps = SvPV(tmpsv, len);
486 tmpsv = sv_2mortal(newSVpvn("Died", 4));
488 DIE(aTHX_ "%"SVf, tmpsv);
511 DIE(aTHX_ PL_no_usym, "filehandle");
516 DIE(aTHX_ PL_no_usym, "filehandle");
518 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
520 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
522 XPUSHs(SvTIED_obj((SV*)gv, mg));
528 call_method("OPEN", G_SCALAR);
534 tmps = SvPV(sv, len);
535 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
536 PUSHi( (I32)PL_forkprocess );
537 else if (PL_forkprocess == 0) /* we are a new child */
555 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
557 XPUSHs(SvTIED_obj((SV*)gv, mg));
560 call_method("CLOSE", G_SCALAR);
566 PUSHs(boolSV(do_close(gv, TRUE)));
586 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
587 DIE(aTHX_ PL_no_usym, "filehandle");
592 do_close(rgv, FALSE);
594 do_close(wgv, FALSE);
596 if (PerlProc_pipe(fd) < 0)
599 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
600 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
601 IoIFP(wstio) = IoOFP(wstio);
602 IoTYPE(rstio) = IoTYPE_RDONLY;
603 IoTYPE(wstio) = IoTYPE_WRONLY;
605 if (!IoIFP(rstio) || !IoOFP(wstio)) {
606 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
607 else PerlLIO_close(fd[0]);
608 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
609 else PerlLIO_close(fd[1]);
612 #if defined(HAS_FCNTL) && defined(F_SETFD)
613 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
614 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
621 DIE(aTHX_ PL_no_func, "pipe");
637 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
639 XPUSHs(SvTIED_obj((SV*)gv, mg));
642 call_method("FILENO", G_SCALAR);
648 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io))) {
649 /* Can't do this because people seem to do things like
650 defined(fileno($foo)) to check whether $foo is a valid fh.
651 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
652 report_evil_fh(gv, io, PL_op->op_type);
657 PUSHi(PerlIO_fileno(fp));
668 anum = PerlLIO_umask(0);
669 (void)PerlLIO_umask(anum);
672 anum = PerlLIO_umask(POPi);
673 TAINT_PROPER("umask");
676 /* Only DIE if trying to restrict permissions on `user' (self).
677 * Otherwise it's harmless and more useful to just return undef
678 * since 'group' and 'other' concepts probably don't exist here. */
679 if (MAXARG >= 1 && (POPi & 0700))
680 DIE(aTHX_ "umask not implemented");
681 XPUSHs(&PL_sv_undef);
705 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
707 XPUSHs(SvTIED_obj((SV*)gv, mg));
712 call_method("BINMODE", G_SCALAR);
719 if (!(io = GvIO(gv)) || !(fp = IoIFP(io))) {
720 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
721 report_evil_fh(gv, io, PL_op->op_type);
726 names = SvPV(discp,len);
729 if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp),
730 (discp) ? SvPV_nolen(discp) : Nullch))
744 I32 markoff = MARK - PL_stack_base;
751 switch(SvTYPE(varsv)) {
753 methname = "TIEHASH";
756 methname = "TIEARRAY";
759 methname = "TIEHANDLE";
763 methname = "TIESCALAR";
768 if (sv_isobject(*MARK)) {
770 PUSHSTACKi(PERLSI_MAGIC);
776 call_method(methname, G_SCALAR);
779 /* Not clear why we don't call call_method here too.
780 * perhaps to get different error message ?
782 stash = gv_stashsv(*MARK, FALSE);
783 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
784 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
785 methname, SvPV(*MARK,n_a));
788 PUSHSTACKi(PERLSI_MAGIC);
794 call_sv((SV*)GvCV(gv), G_SCALAR);
800 if (sv_isobject(sv)) {
801 sv_unmagic(varsv, how);
802 /* Croak if a self-tie on an aggregate is attempted. */
803 if (varsv == SvRV(sv) &&
804 (SvTYPE(sv) == SVt_PVAV ||
805 SvTYPE(sv) == SVt_PVHV))
807 "Self-ties of arrays and hashes 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)
1073 (void)SvREFCNT_inc(gv);
1075 SvREFCNT_dec(PL_defoutgv);
1082 GV *newdefout, *egv;
1085 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1087 egv = GvEGV(PL_defoutgv);
1092 XPUSHs(&PL_sv_undef);
1094 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1095 if (gvp && *gvp == egv) {
1096 gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
1100 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1105 if (!GvIO(newdefout))
1106 gv_IOadd(newdefout);
1107 setdefout(newdefout);
1124 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1125 I32 gimme = GIMME_V;
1127 XPUSHs(SvTIED_obj((SV*)gv, mg));
1130 call_method("GETC", gimme);
1133 if (gimme == G_SCALAR)
1134 SvSetMagicSV_nosteal(TARG, TOPs);
1137 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1140 sv_setpv(TARG, " ");
1141 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1142 if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) {
1143 /* Find out how many bytes the char needs */
1144 Size_t len = UTF8SKIP(SvPVX(TARG));
1147 len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1);
1148 SvCUR_set(TARG,1+len);
1158 return pp_sysread();
1162 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1164 register PERL_CONTEXT *cx;
1165 I32 gimme = GIMME_V;
1166 AV* padlist = CvPADLIST(cv);
1167 SV** svp = AvARRAY(padlist);
1173 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1175 SAVEVPTR(PL_curpad);
1176 PL_curpad = AvARRAY((AV*)svp[1]);
1178 setdefout(gv); /* locally select filehandle so $% et al work */
1211 SV *tmpsv = sv_newmortal();
1212 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1213 name = SvPV_nolen(tmpsv);
1216 DIE(aTHX_ "Undefined format \"%s\" called", name);
1217 DIE(aTHX_ "Not a format reference");
1220 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1222 IoFLAGS(io) &= ~IOf_DIDTOP;
1223 return doform(cv,gv,PL_op->op_next);
1229 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1230 register IO *io = GvIOp(gv);
1231 PerlIO *ofp = IoOFP(io);
1235 register PERL_CONTEXT *cx;
1237 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1238 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1241 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1242 PL_formtarget != PL_toptarget)
1246 if (!IoTOP_GV(io)) {
1250 if (!IoTOP_NAME(io)) {
1251 if (!IoFMT_NAME(io))
1252 IoFMT_NAME(io) = savepv(GvNAME(gv));
1253 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1254 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1255 if ((topgv && GvFORM(topgv)) ||
1256 !gv_fetchpv("top",FALSE,SVt_PVFM))
1257 IoTOP_NAME(io) = savepv(SvPVX(topname));
1259 IoTOP_NAME(io) = savepv("top");
1261 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1262 if (!topgv || !GvFORM(topgv)) {
1263 IoLINES_LEFT(io) = 100000000;
1266 IoTOP_GV(io) = topgv;
1268 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1269 I32 lines = IoLINES_LEFT(io);
1270 char *s = SvPVX(PL_formtarget);
1271 if (lines <= 0) /* Yow, header didn't even fit!!! */
1273 while (lines-- > 0) {
1274 s = strchr(s, '\n');
1280 STRLEN save = SvCUR(PL_formtarget);
1281 SvCUR_set(PL_formtarget, s - SvPVX(PL_formtarget));
1282 do_print(PL_formtarget, ofp);
1283 SvCUR_set(PL_formtarget, save);
1284 sv_chop(PL_formtarget, s);
1285 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1288 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1289 do_print(PL_formfeed, ofp);
1290 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1292 PL_formtarget = PL_toptarget;
1293 IoFLAGS(io) |= IOf_DIDTOP;
1296 DIE(aTHX_ "bad top format reference");
1301 SV *sv = sv_newmortal();
1302 gv_efullname4(sv, fgv, Nullch, FALSE);
1303 name = SvPV_nolen(sv);
1306 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1309 DIE(aTHX_ "Undefined top format called");
1313 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1314 return doform(cv,gv,PL_op);
1318 POPBLOCK(cx,PL_curpm);
1324 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1326 /* integrate with report_evil_fh()? */
1329 SV* sv = sv_newmortal();
1330 gv_efullname4(sv, gv, Nullch, FALSE);
1331 name = SvPV_nolen(sv);
1334 Perl_warner(aTHX_ WARN_IO,
1335 "Filehandle %s opened only for input", name);
1337 Perl_warner(aTHX_ WARN_IO,
1338 "Filehandle opened only for input");
1340 else if (ckWARN(WARN_CLOSED))
1341 report_evil_fh(gv, io, PL_op->op_type);
1346 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1347 if (ckWARN(WARN_IO))
1348 Perl_warner(aTHX_ WARN_IO, "page overflow");
1350 if (!do_print(PL_formtarget, fp))
1353 FmLINES(PL_formtarget) = 0;
1354 SvCUR_set(PL_formtarget, 0);
1355 *SvEND(PL_formtarget) = '\0';
1356 if (IoFLAGS(io) & IOf_FLUSH)
1357 (void)PerlIO_flush(fp);
1362 PL_formtarget = PL_bodytarget;
1364 return pop_return();
1369 djSP; dMARK; dORIGMARK;
1377 if (PL_op->op_flags & OPf_STACKED)
1382 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1383 if (MARK == ORIGMARK) {
1386 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1390 *MARK = SvTIED_obj((SV*)gv, mg);
1393 call_method("PRINTF", G_SCALAR);
1396 MARK = ORIGMARK + 1;
1403 if (!(io = GvIO(gv))) {
1404 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1405 report_evil_fh(gv, io, PL_op->op_type);
1406 SETERRNO(EBADF,RMS$_IFI);
1409 else if (!(fp = IoOFP(io))) {
1410 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1411 /* integrate with report_evil_fh()? */
1415 gv_efullname4(sv, gv, Nullch, FALSE);
1416 name = SvPV_nolen(sv);
1419 Perl_warner(aTHX_ WARN_IO,
1420 "Filehandle %s opened only for input", name);
1422 Perl_warner(aTHX_ WARN_IO,
1423 "Filehandle opened only for input");
1425 else if (ckWARN(WARN_CLOSED))
1426 report_evil_fh(gv, io, PL_op->op_type);
1428 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1432 do_sprintf(sv, SP - MARK, MARK + 1);
1433 if (!do_print(sv, fp))
1436 if (IoFLAGS(io) & IOf_FLUSH)
1437 if (PerlIO_flush(fp) == EOF)
1448 PUSHs(&PL_sv_undef);
1469 /* Need TIEHANDLE method ? */
1471 tmps = SvPV(sv, len);
1472 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1473 IoLINES(GvIOp(gv)) = 0;
1477 PUSHs(&PL_sv_undef);
1484 djSP; dMARK; dORIGMARK; dTARGET;
1491 Sock_size_t bufsize;
1500 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1501 (mg = SvTIED_mg((SV*)gv, 'q')))
1506 *MARK = SvTIED_obj((SV*)gv, mg);
1508 call_method("READ", G_SCALAR);
1521 sv_setpvn(bufsv, "", 0);
1522 length = SvIVx(*++MARK);
1525 offset = SvIVx(*++MARK);
1529 if (!io || !IoIFP(io))
1531 if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTE) {
1532 buffer = SvPVutf8_force(bufsv, blen);
1533 /* UTF8 may not have been set if they are all low bytes */
1537 buffer = SvPV_force(bufsv, blen);
1540 DIE(aTHX_ "Negative length");
1544 if (PL_op->op_type == OP_RECV) {
1545 char namebuf[MAXPATHLEN];
1546 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1547 bufsize = sizeof (struct sockaddr_in);
1549 bufsize = sizeof namebuf;
1551 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1555 buffer = SvGROW(bufsv, length+1);
1556 /* 'offset' means 'flags' here */
1557 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1558 (struct sockaddr *)namebuf, &bufsize);
1561 SvCUR_set(bufsv, count);
1562 *SvEND(bufsv) = '\0';
1563 (void)SvPOK_only(bufsv);
1567 /* This should not be marked tainted if the fp is marked clean */
1568 if (!(IoFLAGS(io) & IOf_UNTAINT))
1569 SvTAINTED_on(bufsv);
1571 sv_setpvn(TARG, namebuf, bufsize);
1576 if (PL_op->op_type == OP_RECV)
1577 DIE(aTHX_ PL_no_sock_func, "recv");
1579 if (DO_UTF8(bufsv)) {
1580 /* offset adjust in characters not bytes */
1581 blen = sv_len_utf8(bufsv);
1585 DIE(aTHX_ "Offset outside string");
1588 if (DO_UTF8(bufsv)) {
1589 /* convert offset-as-chars to offset-as-bytes */
1590 offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer;
1593 bufsize = SvCUR(bufsv);
1594 buffer = SvGROW(bufsv, length+offset+1);
1595 if (offset > bufsize) { /* Zero any newly allocated space */
1596 Zero(buffer+bufsize, offset-bufsize, char);
1598 buffer = buffer + offset;
1600 if (PL_op->op_type == OP_SYSREAD) {
1601 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1602 if (IoTYPE(io) == IoTYPE_SOCKET) {
1603 count = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1609 count = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1614 #ifdef HAS_SOCKET__bad_code_maybe
1615 if (IoTYPE(io) == IoTYPE_SOCKET) {
1616 char namebuf[MAXPATHLEN];
1617 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1618 bufsize = sizeof (struct sockaddr_in);
1620 bufsize = sizeof namebuf;
1622 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0,
1623 (struct sockaddr *)namebuf, &bufsize);
1628 count = PerlIO_read(IoIFP(io), buffer, length);
1629 /* PerlIO_read() - like fread() returns 0 on both error and EOF */
1630 if (count == 0 && PerlIO_error(IoIFP(io)))
1634 if ((IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout()
1635 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1637 /* integrate with report_evil_fh()? */
1640 SV* sv = sv_newmortal();
1641 gv_efullname4(sv, gv, Nullch, FALSE);
1642 name = SvPV_nolen(sv);
1645 Perl_warner(aTHX_ WARN_IO,
1646 "Filehandle %s opened only for output", name);
1648 Perl_warner(aTHX_ WARN_IO,
1649 "Filehandle opened only for output");
1653 SvCUR_set(bufsv, count+(buffer - SvPVX(bufsv)));
1654 *SvEND(bufsv) = '\0';
1655 (void)SvPOK_only(bufsv);
1656 if (fp_utf8 && !IN_BYTE) {
1657 /* Look at utf8 we got back and count the characters */
1658 char *bend = buffer + count;
1659 while (buffer < bend) {
1660 STRLEN skip = UTF8SKIP(buffer);
1661 if (buffer+skip > bend) {
1662 /* partial character - try for rest of it */
1663 length = skip - (bend-buffer);
1664 offset = bend - SvPVX(bufsv);
1672 /* If we have not 'got' the number of _characters_ we 'wanted' get some more
1673 provided amount read (count) was what was requested (length)
1675 if (got < wanted && count == length) {
1676 length = (wanted-got);
1677 offset = bend - SvPVX(bufsv);
1680 /* return value is character count */
1685 /* This should not be marked tainted if the fp is marked clean */
1686 if (!(IoFLAGS(io) & IOf_UNTAINT))
1687 SvTAINTED_on(bufsv);
1700 int items = (SP - PL_stack_base) - TOPMARK;
1704 sv = sv_2mortal(newSViv(sv_len(*SP)));
1713 djSP; dMARK; dORIGMARK; dTARGET;
1724 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1728 *MARK = SvTIED_obj((SV*)gv, mg);
1730 call_method("WRITE", G_SCALAR);
1741 #if Size_t_size > IVSIZE
1742 length = (Size_t)SvNVx(*++MARK);
1744 length = (Size_t)SvIVx(*++MARK);
1746 if ((SSize_t)length < 0)
1747 DIE(aTHX_ "Negative length");
1750 if (!io || !IoIFP(io)) {
1752 if (ckWARN(WARN_CLOSED))
1753 report_evil_fh(gv, io, PL_op->op_type);
1757 if (PerlIO_isutf8(IoIFP(io))) {
1758 buffer = SvPVutf8(bufsv, blen);
1762 sv_utf8_downgrade(bufsv, FALSE);
1763 buffer = SvPV(bufsv, blen);
1766 if (PL_op->op_type == OP_SYSWRITE) {
1768 if (DO_UTF8(bufsv)) {
1769 /* length and offset are in chars */
1770 blen = sv_len_utf8(bufsv);
1773 offset = SvIVx(*++MARK);
1776 DIE(aTHX_ "Offset outside string");
1778 } else if (offset >= blen && blen > 0)
1779 DIE(aTHX_ "Offset outside string");
1782 if (length > blen - offset)
1783 length = blen - offset;
1784 if (DO_UTF8(bufsv)) {
1785 buffer = (char*)utf8_hop((U8 *)buffer, offset);
1786 length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer;
1789 buffer = buffer+offset;
1791 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1792 if (IoTYPE(io) == IoTYPE_SOCKET) {
1793 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1799 /* See the note at doio.c:do_print about filesize limits. --jhi */
1800 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1805 else if (SP > MARK) {
1808 sockbuf = SvPVx(*++MARK, mlen);
1809 /* length is really flags */
1810 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1811 length, (struct sockaddr *)sockbuf, mlen);
1814 /* length is really flags */
1815 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1818 DIE(aTHX_ PL_no_sock_func, "send");
1823 #if Size_t_size > IVSIZE
1837 return pp_sysread();
1847 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1849 gv = PL_last_in_gv = PL_argvgv;
1851 if (io && !IoIFP(io)) {
1852 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1854 IoFLAGS(io) &= ~IOf_START;
1855 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1856 sv_setpvn(GvSV(gv), "-", 1);
1857 SvSETMAGIC(GvSV(gv));
1859 else if (!nextargv(gv))
1864 gv = PL_last_in_gv; /* eof */
1867 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1869 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1871 XPUSHs(SvTIED_obj((SV*)gv, mg));
1874 call_method("EOF", G_SCALAR);
1880 PUSHs(boolSV(!gv || do_eof(gv)));
1893 gv = PL_last_in_gv = (GV*)POPs;
1895 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1897 XPUSHs(SvTIED_obj((SV*)gv, mg));
1900 call_method("TELL", G_SCALAR);
1906 #if LSEEKSIZE > IVSIZE
1907 PUSHn( do_tell(gv) );
1909 PUSHi( do_tell(gv) );
1916 return pp_sysseek();
1924 #if LSEEKSIZE > IVSIZE
1925 Off_t offset = (Off_t)SvNVx(POPs);
1927 Off_t offset = (Off_t)SvIVx(POPs);
1931 gv = PL_last_in_gv = (GV*)POPs;
1933 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1935 XPUSHs(SvTIED_obj((SV*)gv, mg));
1936 #if LSEEKSIZE > IVSIZE
1937 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1939 XPUSHs(sv_2mortal(newSViv(offset)));
1941 XPUSHs(sv_2mortal(newSViv(whence)));
1944 call_method("SEEK", G_SCALAR);
1950 if (PL_op->op_type == OP_SEEK)
1951 PUSHs(boolSV(do_seek(gv, offset, whence)));
1953 Off_t sought = do_sysseek(gv, offset, whence);
1955 PUSHs(&PL_sv_undef);
1958 #if LSEEKSIZE > IVSIZE
1963 : newSVpvn(zero_but_true, ZBTLEN);
1964 PUSHs(sv_2mortal(sv));
1973 /* There seems to be no consensus on the length type of truncate()
1974 * and ftruncate(), both off_t and size_t have supporters. In
1975 * general one would think that when using large files, off_t is
1976 * at least as wide as size_t, so using an off_t should be okay. */
1977 /* XXX Configure probe for the length type of *truncate() needed XXX */
1983 #if Size_t_size > IVSIZE
1988 /* Checking for length < 0 is problematic as the type might or
1989 * might not be signed: if it is not, clever compilers will moan. */
1990 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1992 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1993 if (PL_op->op_flags & OPf_SPECIAL) {
1994 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1996 TAINT_PROPER("truncate");
1997 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
2000 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
2002 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
2004 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
2014 if (SvTYPE(sv) == SVt_PVGV) {
2015 tmpgv = (GV*)sv; /* *main::FRED for example */
2018 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2019 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
2023 name = SvPV(sv, n_a);
2024 TAINT_PROPER("truncate");
2026 if (truncate(name, len) < 0)
2031 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
2034 if (my_chsize(tmpfd, len) < 0)
2036 PerlLIO_close(tmpfd);
2045 SETERRNO(EBADF,RMS$_IFI);
2048 DIE(aTHX_ "truncate not implemented");
2061 unsigned int func = U_I(POPn);
2062 int optype = PL_op->op_type;
2066 IO *io = gv ? GvIOn(gv) : 0;
2068 if (!io || !argsv || !IoIFP(io)) {
2069 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2070 report_evil_fh(gv, io, PL_op->op_type);
2071 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
2075 if (SvPOK(argsv) || !SvNIOK(argsv)) {
2078 s = SvPV_force(argsv, len);
2079 need = IOCPARM_LEN(func);
2081 s = Sv_Grow(argsv, need + 1);
2082 SvCUR_set(argsv, need);
2085 s[SvCUR(argsv)] = 17; /* a little sanity check here */
2088 retval = SvIV(argsv);
2089 s = INT2PTR(char*,retval); /* ouch */
2092 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
2094 if (optype == OP_IOCTL)
2096 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
2098 DIE(aTHX_ "ioctl is not implemented");
2102 #if defined(OS2) && defined(__EMX__)
2103 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
2105 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2108 DIE(aTHX_ "fcntl is not implemented");
2112 if (s[SvCUR(argsv)] != 17)
2113 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2114 PL_op_name[optype]);
2115 s[SvCUR(argsv)] = 0; /* put our null back */
2116 SvSETMAGIC(argsv); /* Assume it has changed */
2125 PUSHp(zero_but_true, ZBTLEN);
2145 if (gv && (io = GvIO(gv)))
2152 (void)PerlIO_flush(fp);
2153 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2156 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2157 report_evil_fh(gv, io, PL_op->op_type);
2159 SETERRNO(EBADF,RMS$_IFI);
2164 DIE(aTHX_ PL_no_func, "flock()");
2176 int protocol = POPi;
2182 io = gv ? GvIOn(gv) : NULL;
2185 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2186 report_evil_fh(gv, io, PL_op->op_type);
2188 do_close(gv, FALSE);
2189 SETERRNO(EBADF,LIB$_INVARG);
2193 TAINT_PROPER("socket");
2194 fd = PerlSock_socket(domain, type, protocol);
2197 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2198 IoOFP(io) = PerlIO_fdopen(fd, "w");
2199 IoTYPE(io) = IoTYPE_SOCKET;
2200 if (!IoIFP(io) || !IoOFP(io)) {
2201 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2202 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2203 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2206 #if defined(HAS_FCNTL) && defined(F_SETFD)
2207 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2212 DIE(aTHX_ PL_no_sock_func, "socket");
2219 #ifdef HAS_SOCKETPAIR
2224 int protocol = POPi;
2231 io1 = gv1 ? GvIOn(gv1) : NULL;
2232 io2 = gv2 ? GvIOn(gv2) : NULL;
2233 if (!gv1 || !gv2 || !io1 || !io2) {
2234 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
2236 report_evil_fh(gv1, io1, PL_op->op_type);
2238 report_evil_fh(gv1, io2, PL_op->op_type);
2241 do_close(gv1, FALSE);
2243 do_close(gv2, FALSE);
2247 TAINT_PROPER("socketpair");
2248 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2250 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2251 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2252 IoTYPE(io1) = IoTYPE_SOCKET;
2253 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2254 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2255 IoTYPE(io2) = IoTYPE_SOCKET;
2256 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2257 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2258 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2259 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2260 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2261 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2262 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2265 #if defined(HAS_FCNTL) && defined(F_SETFD)
2266 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2267 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2272 DIE(aTHX_ PL_no_sock_func, "socketpair");
2280 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2281 extern GETPRIVMODE();
2282 extern GETUSERMODE();
2287 register IO *io = GvIOn(gv);
2291 int mpeprivmode = 0;
2294 if (!io || !IoIFP(io))
2297 addr = SvPV(addrsv, len);
2298 TAINT_PROPER("bind");
2299 #ifdef MPE /* Deal with MPE bind() peculiarities */
2300 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2301 /* The address *MUST* stupidly be zero. */
2302 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2303 /* PRIV mode is required to bind() to ports < 1024. */
2304 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2305 ((struct sockaddr_in *)addr)->sin_port > 0) {
2306 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2311 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2312 (struct sockaddr *)addr, len) >= 0)
2315 #ifdef MPE /* Switch back to USER mode */
2326 if (ckWARN(WARN_CLOSED))
2327 report_evil_fh(gv, io, PL_op->op_type);
2328 SETERRNO(EBADF,SS$_IVCHAN);
2331 DIE(aTHX_ PL_no_sock_func, "bind");
2342 register IO *io = GvIOn(gv);
2345 if (!io || !IoIFP(io))
2348 addr = SvPV(addrsv, len);
2349 TAINT_PROPER("connect");
2350 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2356 if (ckWARN(WARN_CLOSED))
2357 report_evil_fh(gv, io, PL_op->op_type);
2358 SETERRNO(EBADF,SS$_IVCHAN);
2361 DIE(aTHX_ PL_no_sock_func, "connect");
2371 register IO *io = gv ? GvIOn(gv) : NULL;
2373 if (!gv || !io || !IoIFP(io))
2376 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2382 if (ckWARN(WARN_CLOSED))
2383 report_evil_fh(gv, io, PL_op->op_type);
2384 SETERRNO(EBADF,SS$_IVCHAN);
2387 DIE(aTHX_ PL_no_sock_func, "listen");
2399 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2400 Sock_size_t len = sizeof saddr;
2412 if (!gstio || !IoIFP(gstio))
2417 do_close(ngv, FALSE);
2419 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2422 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2423 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2424 IoTYPE(nstio) = IoTYPE_SOCKET;
2425 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2426 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2427 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2428 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2431 #if defined(HAS_FCNTL) && defined(F_SETFD)
2432 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2436 len = sizeof saddr; /* EPOC somehow truncates info */
2439 PUSHp((char *)&saddr, len);
2443 if (ckWARN(WARN_CLOSED))
2444 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2445 SETERRNO(EBADF,SS$_IVCHAN);
2451 DIE(aTHX_ PL_no_sock_func, "accept");
2461 register IO *io = GvIOn(gv);
2463 if (!io || !IoIFP(io))
2466 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2470 if (ckWARN(WARN_CLOSED))
2471 report_evil_fh(gv, io, PL_op->op_type);
2472 SETERRNO(EBADF,SS$_IVCHAN);
2475 DIE(aTHX_ PL_no_sock_func, "shutdown");
2482 return pp_ssockopt();
2484 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2492 int optype = PL_op->op_type;
2495 unsigned int optname;
2501 if (optype == OP_GSOCKOPT)
2502 sv = sv_2mortal(NEWSV(22, 257));
2505 optname = (unsigned int) POPi;
2506 lvl = (unsigned int) POPi;
2510 if (!io || !IoIFP(io))
2513 fd = PerlIO_fileno(IoIFP(io));
2517 (void)SvPOK_only(sv);
2521 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2536 aint = (int)SvIV(sv);
2540 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2549 if (ckWARN(WARN_CLOSED))
2550 report_evil_fh(gv, io, optype);
2551 SETERRNO(EBADF,SS$_IVCHAN);
2556 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2563 return pp_getpeername();
2565 DIE(aTHX_ PL_no_sock_func, "getsockname");
2573 int optype = PL_op->op_type;
2577 register IO *io = GvIOn(gv);
2580 if (!io || !IoIFP(io))
2583 sv = sv_2mortal(NEWSV(22, 257));
2584 (void)SvPOK_only(sv);
2588 fd = PerlIO_fileno(IoIFP(io));
2590 case OP_GETSOCKNAME:
2591 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2594 case OP_GETPEERNAME:
2595 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2597 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2599 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";
2600 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2601 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2602 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2603 sizeof(u_short) + sizeof(struct in_addr))) {
2610 #ifdef BOGUS_GETNAME_RETURN
2611 /* Interactive Unix, getpeername() and getsockname()
2612 does not return valid namelen */
2613 if (len == BOGUS_GETNAME_RETURN)
2614 len = sizeof(struct sockaddr);
2622 if (ckWARN(WARN_CLOSED))
2623 report_evil_fh(gv, io, optype);
2624 SETERRNO(EBADF,SS$_IVCHAN);
2629 DIE(aTHX_ PL_no_sock_func, "getpeername");
2648 if (PL_op->op_flags & OPf_REF) {
2650 if (PL_op->op_type == OP_LSTAT) {
2651 if (PL_laststype != OP_LSTAT)
2652 Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
2653 if (ckWARN(WARN_IO) && gv != PL_defgv)
2654 Perl_warner(aTHX_ WARN_IO,
2655 "lstat() on filehandle %s", GvENAME(gv));
2656 /* Perl_my_lstat (-l) croak's on filehandle, why warn here? */
2660 if (gv != PL_defgv) {
2661 PL_laststype = OP_STAT;
2663 sv_setpv(PL_statname, "");
2664 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2665 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2667 if (PL_laststatval < 0) {
2668 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2669 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2675 if (SvTYPE(sv) == SVt_PVGV) {
2679 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2683 sv_setpv(PL_statname, SvPV(sv,n_a));
2686 PL_laststype = PL_op->op_type;
2687 if (PL_op->op_type == OP_LSTAT)
2688 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2691 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2692 if (PL_laststatval < 0) {
2693 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2694 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2700 if (gimme != G_ARRAY) {
2701 if (gimme != G_VOID)
2702 XPUSHs(boolSV(max));
2708 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2709 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2710 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2711 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2712 #if Uid_t_size > IVSIZE
2713 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2715 # if Uid_t_sign <= 0
2716 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2718 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2721 #if Gid_t_size > IVSIZE
2722 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2724 # if Gid_t_sign <= 0
2725 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2727 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2730 #ifdef USE_STAT_RDEV
2731 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2733 PUSHs(sv_2mortal(newSVpvn("", 0)));
2735 #if Off_t_size > IVSIZE
2736 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2738 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2741 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2742 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2743 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2745 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2746 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2747 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2749 #ifdef USE_STAT_BLOCKS
2750 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2751 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2753 PUSHs(sv_2mortal(newSVpvn("", 0)));
2754 PUSHs(sv_2mortal(newSVpvn("", 0)));
2764 #if defined(HAS_ACCESS) && defined(R_OK)
2766 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2767 result = access(TOPpx, R_OK);
2782 if (cando(S_IRUSR, 0, &PL_statcache))
2791 #if defined(HAS_ACCESS) && defined(W_OK)
2793 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2794 result = access(TOPpx, W_OK);
2809 if (cando(S_IWUSR, 0, &PL_statcache))
2818 #if defined(HAS_ACCESS) && defined(X_OK)
2820 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2821 result = access(TOPpx, X_OK);
2836 if (cando(S_IXUSR, 0, &PL_statcache))
2845 #ifdef PERL_EFF_ACCESS_R_OK
2847 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2848 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2863 if (cando(S_IRUSR, 1, &PL_statcache))
2872 #ifdef PERL_EFF_ACCESS_W_OK
2874 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2875 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2890 if (cando(S_IWUSR, 1, &PL_statcache))
2899 #ifdef PERL_EFF_ACCESS_X_OK
2901 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2902 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2917 if (cando(S_IXUSR, 1, &PL_statcache))
2924 I32 result = my_stat();
2933 return pp_ftrowned();
2938 I32 result = my_stat();
2942 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2950 I32 result = my_stat();
2954 if (PL_statcache.st_size == 0)
2961 I32 result = my_stat();
2965 #if Off_t_size > IVSIZE
2966 PUSHn(PL_statcache.st_size);
2968 PUSHi(PL_statcache.st_size);
2975 I32 result = my_stat();
2979 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2985 I32 result = my_stat();
2989 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2995 I32 result = my_stat();
2999 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
3005 I32 result = my_stat();
3009 if (S_ISSOCK(PL_statcache.st_mode))
3016 I32 result = my_stat();
3020 if (S_ISCHR(PL_statcache.st_mode))
3027 I32 result = my_stat();
3031 if (S_ISBLK(PL_statcache.st_mode))
3038 I32 result = my_stat();
3042 if (S_ISREG(PL_statcache.st_mode))
3049 I32 result = my_stat();
3053 if (S_ISDIR(PL_statcache.st_mode))
3060 I32 result = my_stat();
3064 if (S_ISFIFO(PL_statcache.st_mode))
3071 I32 result = my_lstat();
3075 if (S_ISLNK(PL_statcache.st_mode))
3084 I32 result = my_stat();
3088 if (PL_statcache.st_mode & S_ISUID)
3098 I32 result = my_stat();
3102 if (PL_statcache.st_mode & S_ISGID)
3112 I32 result = my_stat();
3116 if (PL_statcache.st_mode & S_ISVTX)
3127 char *tmps = Nullch;
3130 if (PL_op->op_flags & OPf_REF)
3132 else if (isGV(TOPs))
3134 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3135 gv = (GV*)SvRV(POPs);
3137 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3139 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3140 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3141 else if (tmps && isDIGIT(*tmps))
3145 if (PerlLIO_isatty(fd))
3150 #if defined(atarist) /* this will work with atariST. Configure will
3151 make guesses for other systems. */
3152 # define FILE_base(f) ((f)->_base)
3153 # define FILE_ptr(f) ((f)->_ptr)
3154 # define FILE_cnt(f) ((f)->_cnt)
3155 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3165 register STDCHAR *s;
3172 if (PL_op->op_flags & OPf_REF)
3174 else if (isGV(TOPs))
3176 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3177 gv = (GV*)SvRV(POPs);
3183 if (gv == PL_defgv) {
3185 io = GvIO(PL_statgv);
3188 goto really_filename;
3193 PL_laststatval = -1;
3194 sv_setpv(PL_statname, "");
3195 io = GvIO(PL_statgv);
3197 if (io && IoIFP(io)) {
3198 if (! PerlIO_has_base(IoIFP(io)))
3199 DIE(aTHX_ "-T and -B not implemented on filehandles");
3200 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3201 if (PL_laststatval < 0)
3203 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3204 if (PL_op->op_type == OP_FTTEXT)
3208 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3209 i = PerlIO_getc(IoIFP(io));
3211 (void)PerlIO_ungetc(IoIFP(io),i);
3213 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3215 len = PerlIO_get_bufsiz(IoIFP(io));
3216 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3217 /* sfio can have large buffers - limit to 512 */
3222 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3224 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3226 SETERRNO(EBADF,RMS$_IFI);
3234 PL_laststatval = -1;
3235 sv_setpv(PL_statname, SvPV(sv, n_a));
3236 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3237 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3238 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3241 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3242 if (PL_laststatval < 0) {
3243 (void)PerlIO_close(fp);
3246 PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch);
3247 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3248 (void)PerlIO_close(fp);
3250 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3251 RETPUSHNO; /* special case NFS directories */
3252 RETPUSHYES; /* null file is anything */
3257 /* now scan s to look for textiness */
3258 /* XXX ASCII dependent code */
3260 #if defined(DOSISH) || defined(USEMYBINMODE)
3261 /* ignore trailing ^Z on short files */
3262 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3266 for (i = 0; i < len; i++, s++) {
3267 if (!*s) { /* null never allowed in text */
3272 else if (!(isPRINT(*s) || isSPACE(*s)))
3275 else if (*s & 128) {
3277 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3280 /* utf8 characters don't count as odd */
3281 if (UTF8_IS_START(*s)) {
3282 int ulen = UTF8SKIP(s);
3283 if (ulen < len - i) {
3285 for (j = 1; j < ulen; j++) {
3286 if (!UTF8_IS_CONTINUATION(s[j]))
3289 --ulen; /* loop does extra increment */
3299 *s != '\n' && *s != '\r' && *s != '\b' &&
3300 *s != '\t' && *s != '\f' && *s != 27)
3305 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3329 if (!tmps || !*tmps) {
3330 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3332 tmps = SvPV(*svp, n_a);
3334 if (!tmps || !*tmps) {
3335 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3337 tmps = SvPV(*svp, n_a);
3340 if (!tmps || !*tmps) {
3341 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3343 tmps = SvPV(*svp, n_a);
3346 TAINT_PROPER("chdir");
3347 PUSHi( PerlDir_chdir(tmps) >= 0 );
3349 /* Clear the DEFAULT element of ENV so we'll get the new value
3351 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3358 djSP; dMARK; dTARGET;
3361 value = (I32)apply(PL_op->op_type, MARK, SP);
3366 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3377 TAINT_PROPER("chroot");
3378 PUSHi( chroot(tmps) >= 0 );
3381 DIE(aTHX_ PL_no_func, "chroot");
3387 djSP; dMARK; dTARGET;
3389 value = (I32)apply(PL_op->op_type, MARK, SP);
3397 djSP; dMARK; dTARGET;
3399 value = (I32)apply(PL_op->op_type, MARK, SP);
3407 djSP; dMARK; dTARGET;
3409 value = (I32)apply(PL_op->op_type, MARK, SP);
3421 char *tmps2 = POPpx;
3422 char *tmps = SvPV(TOPs, n_a);
3423 TAINT_PROPER("rename");
3425 anum = PerlLIO_rename(tmps, tmps2);
3427 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3428 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3431 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3432 (void)UNLINK(tmps2);
3433 if (!(anum = link(tmps, tmps2)))
3434 anum = UNLINK(tmps);
3447 char *tmps2 = POPpx;
3448 char *tmps = SvPV(TOPs, n_a);
3449 TAINT_PROPER("link");
3450 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3452 DIE(aTHX_ PL_no_func, "Unsupported function link");
3462 char *tmps2 = POPpx;
3463 char *tmps = SvPV(TOPs, n_a);
3464 TAINT_PROPER("symlink");
3465 SETi( symlink(tmps, tmps2) >= 0 );
3468 DIE(aTHX_ PL_no_func, "symlink");
3477 char buf[MAXPATHLEN];
3481 #ifndef INCOMPLETE_TAINTS
3485 len = readlink(tmps, buf, sizeof buf);
3493 RETSETUNDEF; /* just pretend it's a normal file */
3497 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3499 S_dooneliner(pTHX_ char *cmd, char *filename)
3501 char *save_filename = filename;
3507 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3508 strcpy(cmdline, cmd);
3509 strcat(cmdline, " ");
3510 for (s = cmdline + strlen(cmdline); *filename; ) {
3515 myfp = PerlProc_popen(cmdline, "r");
3519 SV *tmpsv = sv_newmortal();
3520 /* Need to save/restore 'PL_rs' ?? */
3521 s = sv_gets(tmpsv, myfp, 0);
3522 (void)PerlProc_pclose(myfp);
3526 #ifdef HAS_SYS_ERRLIST
3531 /* you don't see this */
3533 #ifdef HAS_SYS_ERRLIST
3541 if (instr(s, errmsg)) {
3548 #define EACCES EPERM
3550 if (instr(s, "cannot make"))
3551 SETERRNO(EEXIST,RMS$_FEX);
3552 else if (instr(s, "existing file"))
3553 SETERRNO(EEXIST,RMS$_FEX);
3554 else if (instr(s, "ile exists"))
3555 SETERRNO(EEXIST,RMS$_FEX);
3556 else if (instr(s, "non-exist"))
3557 SETERRNO(ENOENT,RMS$_FNF);
3558 else if (instr(s, "does not exist"))
3559 SETERRNO(ENOENT,RMS$_FNF);
3560 else if (instr(s, "not empty"))
3561 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3562 else if (instr(s, "cannot access"))
3563 SETERRNO(EACCES,RMS$_PRV);
3565 SETERRNO(EPERM,RMS$_PRV);
3568 else { /* some mkdirs return no failure indication */
3569 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3570 if (PL_op->op_type == OP_RMDIR)
3575 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3600 tmps = SvPV(TOPs, len);
3601 /* Different operating and file systems take differently to
3602 * trailing slashes. To err on the side of portability, we
3603 * snip away one trailing slash. */
3604 if (tmps[len-1] == '/') {
3605 tmps = savepvn(tmps, len - 1);
3609 TAINT_PROPER("mkdir");
3611 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3613 SETi( dooneliner("mkdir", tmps) );
3614 oldumask = PerlLIO_umask(0);
3615 PerlLIO_umask(oldumask);
3616 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3630 TAINT_PROPER("rmdir");
3632 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3634 XPUSHi( dooneliner("rmdir", tmps) );
3639 /* Directory calls. */
3644 #if defined(Direntry_t) && defined(HAS_READDIR)
3646 char *dirname = POPpx;
3648 register IO *io = GvIOn(gv);
3654 PerlDir_close(IoDIRP(io));
3655 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3661 SETERRNO(EBADF,RMS$_DIR);
3664 DIE(aTHX_ PL_no_dir_func, "opendir");
3671 #if defined(Direntry_t) && defined(HAS_READDIR)
3673 Direntry_t *readdir (DIR *);
3675 register Direntry_t *dp;
3677 register IO *io = GvIOn(gv);
3680 if (!io || !IoDIRP(io))
3683 if (GIMME == G_ARRAY) {
3685 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3687 sv = newSVpvn(dp->d_name, dp->d_namlen);
3689 sv = newSVpv(dp->d_name, 0);
3691 #ifndef INCOMPLETE_TAINTS
3692 if (!(IoFLAGS(io) & IOf_UNTAINT))
3695 XPUSHs(sv_2mortal(sv));
3699 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3702 sv = newSVpvn(dp->d_name, dp->d_namlen);
3704 sv = newSVpv(dp->d_name, 0);
3706 #ifndef INCOMPLETE_TAINTS
3707 if (!(IoFLAGS(io) & IOf_UNTAINT))
3710 XPUSHs(sv_2mortal(sv));
3716 SETERRNO(EBADF,RMS$_ISI);
3717 if (GIMME == G_ARRAY)
3722 DIE(aTHX_ PL_no_dir_func, "readdir");
3729 #if defined(HAS_TELLDIR) || defined(telldir)
3730 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3731 /* XXX netbsd still seemed to.
3732 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3733 --JHI 1999-Feb-02 */
3734 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3735 long telldir (DIR *);
3738 register IO *io = GvIOn(gv);
3740 if (!io || !IoDIRP(io))
3743 PUSHi( PerlDir_tell(IoDIRP(io)) );
3747 SETERRNO(EBADF,RMS$_ISI);
3750 DIE(aTHX_ PL_no_dir_func, "telldir");
3757 #if defined(HAS_SEEKDIR) || defined(seekdir)
3760 register IO *io = GvIOn(gv);
3762 if (!io || !IoDIRP(io))
3765 (void)PerlDir_seek(IoDIRP(io), along);
3770 SETERRNO(EBADF,RMS$_ISI);
3773 DIE(aTHX_ PL_no_dir_func, "seekdir");
3780 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3782 register IO *io = GvIOn(gv);
3784 if (!io || !IoDIRP(io))
3787 (void)PerlDir_rewind(IoDIRP(io));
3791 SETERRNO(EBADF,RMS$_ISI);
3794 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3801 #if defined(Direntry_t) && defined(HAS_READDIR)
3803 register IO *io = GvIOn(gv);
3805 if (!io || !IoDIRP(io))
3808 #ifdef VOID_CLOSEDIR
3809 PerlDir_close(IoDIRP(io));
3811 if (PerlDir_close(IoDIRP(io)) < 0) {
3812 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3821 SETERRNO(EBADF,RMS$_IFI);
3824 DIE(aTHX_ PL_no_dir_func, "closedir");
3828 /* Process control. */
3838 PERL_FLUSHALL_FOR_CHILD;
3844 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3845 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3846 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3851 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3856 PERL_FLUSHALL_FOR_CHILD;
3857 childpid = PerlProc_fork();
3863 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3870 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3875 childpid = wait4pid(-1, &argflags, 0);
3876 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3877 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3878 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3880 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3885 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3891 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3899 childpid = wait4pid(childpid, &argflags, optype);
3900 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3901 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3902 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3904 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3909 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3915 djSP; dMARK; dORIGMARK; dTARGET;
3920 Sigsave_t ihand,qhand; /* place to save signals during system() */
3925 if (SP - MARK == 1) {
3927 char *junk = SvPV(TOPs, n_a);
3929 TAINT_PROPER("system");
3932 PERL_FLUSHALL_FOR_CHILD;
3933 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3934 if (PerlProc_pipe(pp) >= 0)
3936 while ((childpid = vfork()) == -1) {
3937 if (errno != EAGAIN) {
3942 PerlLIO_close(pp[0]);
3943 PerlLIO_close(pp[1]);
3951 PerlLIO_close(pp[1]);
3953 rsignal_save(SIGINT, SIG_IGN, &ihand);
3954 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3957 result = wait4pid(childpid, &status, 0);
3958 } while (result == -1 && errno == EINTR);
3960 (void)rsignal_restore(SIGINT, &ihand);
3961 (void)rsignal_restore(SIGQUIT, &qhand);
3963 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3964 do_execfree(); /* free any memory child malloced on vfork */
3970 while (n < sizeof(int)) {
3971 n1 = PerlLIO_read(pp[0],
3972 (void*)(((char*)&errkid)+n),
3978 PerlLIO_close(pp[0]);
3979 if (n) { /* Error */
3980 if (n != sizeof(int))
3981 DIE(aTHX_ "panic: kid popen errno read");
3982 errno = errkid; /* Propagate errno from kid */
3983 STATUS_CURRENT = -1;
3986 PUSHi(STATUS_CURRENT);
3990 PerlLIO_close(pp[0]);
3991 #if defined(HAS_FCNTL) && defined(F_SETFD)
3992 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3995 if (PL_op->op_flags & OPf_STACKED) {
3996 SV *really = *++MARK;
3997 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3999 else if (SP - MARK != 1)
4000 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
4002 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
4005 #else /* ! FORK or VMS or OS/2 */
4008 if (PL_op->op_flags & OPf_STACKED) {
4009 SV *really = *++MARK;
4010 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
4012 else if (SP - MARK != 1)
4013 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
4015 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
4017 if (PL_statusvalue == -1) /* hint that value must be returned as is */
4019 STATUS_NATIVE_SET(value);
4022 PUSHi(result ? value : STATUS_CURRENT);
4023 #endif /* !FORK or VMS */
4029 djSP; dMARK; dORIGMARK; dTARGET;
4033 PERL_FLUSHALL_FOR_CHILD;
4034 if (PL_op->op_flags & OPf_STACKED) {
4035 SV *really = *++MARK;
4036 value = (I32)do_aexec(really, MARK, SP);
4038 else if (SP - MARK != 1)
4040 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
4044 (void ) do_aspawn(Nullsv, MARK, SP);
4048 value = (I32)do_aexec(Nullsv, MARK, SP);
4053 char *junk = SvPV(*SP, n_a);
4055 TAINT_PROPER("exec");
4058 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4061 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
4064 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4069 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
4081 djSP; dMARK; dTARGET;
4084 value = (I32)apply(PL_op->op_type, MARK, SP);
4089 DIE(aTHX_ PL_no_func, "Unsupported function kill");
4097 XPUSHi( getppid() );
4100 DIE(aTHX_ PL_no_func, "getppid");
4116 pgrp = (I32)BSD_GETPGRP(pid);
4118 if (pid != 0 && pid != PerlProc_getpid())
4119 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4125 DIE(aTHX_ PL_no_func, "getpgrp()");
4144 TAINT_PROPER("setpgrp");
4146 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4148 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4149 || (pid != 0 && pid != PerlProc_getpid()))
4151 DIE(aTHX_ "setpgrp can't take arguments");
4153 SETi( setpgrp() >= 0 );
4154 #endif /* USE_BSDPGRP */
4157 DIE(aTHX_ PL_no_func, "setpgrp()");
4166 #ifdef HAS_GETPRIORITY
4169 SETi( getpriority(which, who) );
4172 DIE(aTHX_ PL_no_func, "getpriority()");
4182 #ifdef HAS_SETPRIORITY
4186 TAINT_PROPER("setpriority");
4187 SETi( setpriority(which, who, niceval) >= 0 );
4190 DIE(aTHX_ PL_no_func, "setpriority()");
4200 XPUSHn( time(Null(Time_t*)) );
4202 XPUSHi( time(Null(Time_t*)) );
4207 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4208 to HZ. Probably. For now, assume that if the system
4209 defines HZ, it does so correctly. (Will this break
4211 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4212 it's supported. --AD 9/96.
4228 DIE(aTHX_ "times not implemented");
4233 (void)PerlProc_times(&PL_timesbuf);
4235 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4236 /* struct tms, though same data */
4240 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4241 if (GIMME == G_ARRAY) {
4242 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4243 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4244 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4247 #endif /* HAS_TIMES */
4260 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4261 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4262 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4268 when = (Time_t)SvNVx(POPs);
4270 when = (Time_t)SvIVx(POPs);
4273 if (PL_op->op_type == OP_LOCALTIME)
4274 tmbuf = localtime(&when);
4276 tmbuf = gmtime(&when);
4280 if (GIMME != G_ARRAY) {
4284 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4285 dayname[tmbuf->tm_wday],
4286 monname[tmbuf->tm_mon],
4291 tmbuf->tm_year + 1900);
4292 PUSHs(sv_2mortal(tsv));
4295 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4296 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4297 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4298 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4299 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4300 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4301 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4302 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4303 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4314 anum = alarm((unsigned int)anum);
4321 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4332 (void)time(&lasttime);
4337 PerlProc_sleep((unsigned int)duration);
4340 XPUSHi(when - lasttime);
4344 /* Shared memory. */
4358 return pp_shmwrite();
4363 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4364 djSP; dMARK; dTARGET;
4365 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4374 /* Message passing. */
4388 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4389 djSP; dMARK; dTARGET;
4390 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4401 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4402 djSP; dMARK; dTARGET;
4403 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4416 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4417 djSP; dMARK; dTARGET;
4418 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4425 DIE(aTHX_ "System V IPC is not implemented on this machine");
4431 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4432 djSP; dMARK; dTARGET;
4433 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4441 PUSHp(zero_but_true, ZBTLEN);
4451 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4452 djSP; dMARK; dTARGET;
4453 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4462 /* Get system info. */
4466 #ifdef HAS_GETHOSTBYNAME
4467 return pp_ghostent();
4469 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4475 #ifdef HAS_GETHOSTBYADDR
4476 return pp_ghostent();
4478 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4485 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4486 I32 which = PL_op->op_type;
4487 register char **elem;
4489 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4490 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4491 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4492 struct hostent *PerlSock_gethostent(void);
4494 struct hostent *hent;
4499 if (which == OP_GHBYNAME)
4500 #ifdef HAS_GETHOSTBYNAME
4501 hent = PerlSock_gethostbyname(POPpx);
4503 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4505 else if (which == OP_GHBYADDR) {
4506 #ifdef HAS_GETHOSTBYADDR
4507 int addrtype = POPi;
4510 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4512 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4514 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4518 #ifdef HAS_GETHOSTENT
4519 hent = PerlSock_gethostent();
4521 DIE(aTHX_ PL_no_sock_func, "gethostent");
4524 #ifdef HOST_NOT_FOUND
4526 STATUS_NATIVE_SET(h_errno);
4529 if (GIMME != G_ARRAY) {
4530 PUSHs(sv = sv_newmortal());
4532 if (which == OP_GHBYNAME) {
4534 sv_setpvn(sv, hent->h_addr, hent->h_length);
4537 sv_setpv(sv, (char*)hent->h_name);
4543 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4544 sv_setpv(sv, (char*)hent->h_name);
4545 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4546 for (elem = hent->h_aliases; elem && *elem; elem++) {
4547 sv_catpv(sv, *elem);
4549 sv_catpvn(sv, " ", 1);
4551 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4552 sv_setiv(sv, (IV)hent->h_addrtype);
4553 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4554 len = hent->h_length;
4555 sv_setiv(sv, (IV)len);
4557 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4558 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4559 sv_setpvn(sv, *elem, len);
4562 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4564 sv_setpvn(sv, hent->h_addr, len);
4569 DIE(aTHX_ PL_no_sock_func, "gethostent");
4575 #ifdef HAS_GETNETBYNAME
4576 return pp_gnetent();
4578 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4584 #ifdef HAS_GETNETBYADDR
4585 return pp_gnetent();
4587 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4594 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4595 I32 which = PL_op->op_type;
4596 register char **elem;
4598 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4599 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4600 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4601 struct netent *PerlSock_getnetent(void);
4603 struct netent *nent;
4606 if (which == OP_GNBYNAME)
4607 #ifdef HAS_GETNETBYNAME
4608 nent = PerlSock_getnetbyname(POPpx);
4610 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4612 else if (which == OP_GNBYADDR) {
4613 #ifdef HAS_GETNETBYADDR
4614 int addrtype = POPi;
4615 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4616 nent = PerlSock_getnetbyaddr(addr, addrtype);
4618 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4622 #ifdef HAS_GETNETENT
4623 nent = PerlSock_getnetent();
4625 DIE(aTHX_ PL_no_sock_func, "getnetent");
4629 if (GIMME != G_ARRAY) {
4630 PUSHs(sv = sv_newmortal());
4632 if (which == OP_GNBYNAME)
4633 sv_setiv(sv, (IV)nent->n_net);
4635 sv_setpv(sv, nent->n_name);
4641 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4642 sv_setpv(sv, nent->n_name);
4643 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4644 for (elem = nent->n_aliases; elem && *elem; elem++) {
4645 sv_catpv(sv, *elem);
4647 sv_catpvn(sv, " ", 1);
4649 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4650 sv_setiv(sv, (IV)nent->n_addrtype);
4651 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4652 sv_setiv(sv, (IV)nent->n_net);
4657 DIE(aTHX_ PL_no_sock_func, "getnetent");
4663 #ifdef HAS_GETPROTOBYNAME
4664 return pp_gprotoent();
4666 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4672 #ifdef HAS_GETPROTOBYNUMBER
4673 return pp_gprotoent();
4675 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4682 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4683 I32 which = PL_op->op_type;
4684 register char **elem;
4686 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4687 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4688 struct protoent *PerlSock_getprotobynumber(int);
4689 struct protoent *PerlSock_getprotoent(void);
4691 struct protoent *pent;
4694 if (which == OP_GPBYNAME)
4695 #ifdef HAS_GETPROTOBYNAME
4696 pent = PerlSock_getprotobyname(POPpx);
4698 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4700 else if (which == OP_GPBYNUMBER)
4701 #ifdef HAS_GETPROTOBYNUMBER
4702 pent = PerlSock_getprotobynumber(POPi);
4704 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4707 #ifdef HAS_GETPROTOENT
4708 pent = PerlSock_getprotoent();
4710 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4714 if (GIMME != G_ARRAY) {
4715 PUSHs(sv = sv_newmortal());
4717 if (which == OP_GPBYNAME)
4718 sv_setiv(sv, (IV)pent->p_proto);
4720 sv_setpv(sv, pent->p_name);
4726 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4727 sv_setpv(sv, pent->p_name);
4728 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4729 for (elem = pent->p_aliases; elem && *elem; elem++) {
4730 sv_catpv(sv, *elem);
4732 sv_catpvn(sv, " ", 1);
4734 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4735 sv_setiv(sv, (IV)pent->p_proto);
4740 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4746 #ifdef HAS_GETSERVBYNAME
4747 return pp_gservent();
4749 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4755 #ifdef HAS_GETSERVBYPORT
4756 return pp_gservent();
4758 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4765 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4766 I32 which = PL_op->op_type;
4767 register char **elem;
4769 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4770 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4771 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4772 struct servent *PerlSock_getservent(void);
4774 struct servent *sent;
4777 if (which == OP_GSBYNAME) {
4778 #ifdef HAS_GETSERVBYNAME
4779 char *proto = POPpx;
4782 if (proto && !*proto)
4785 sent = PerlSock_getservbyname(name, proto);
4787 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4790 else if (which == OP_GSBYPORT) {
4791 #ifdef HAS_GETSERVBYPORT
4792 char *proto = POPpx;
4793 unsigned short port = POPu;
4796 port = PerlSock_htons(port);
4798 sent = PerlSock_getservbyport(port, proto);
4800 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4804 #ifdef HAS_GETSERVENT
4805 sent = PerlSock_getservent();
4807 DIE(aTHX_ PL_no_sock_func, "getservent");
4811 if (GIMME != G_ARRAY) {
4812 PUSHs(sv = sv_newmortal());
4814 if (which == OP_GSBYNAME) {
4816 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4818 sv_setiv(sv, (IV)(sent->s_port));
4822 sv_setpv(sv, sent->s_name);
4828 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4829 sv_setpv(sv, sent->s_name);
4830 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4831 for (elem = sent->s_aliases; elem && *elem; elem++) {
4832 sv_catpv(sv, *elem);
4834 sv_catpvn(sv, " ", 1);
4836 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4838 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4840 sv_setiv(sv, (IV)(sent->s_port));
4842 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4843 sv_setpv(sv, sent->s_proto);
4848 DIE(aTHX_ PL_no_sock_func, "getservent");
4855 #ifdef HAS_SETHOSTENT
4856 PerlSock_sethostent(TOPi);
4859 DIE(aTHX_ PL_no_sock_func, "sethostent");
4866 #ifdef HAS_SETNETENT
4867 PerlSock_setnetent(TOPi);
4870 DIE(aTHX_ PL_no_sock_func, "setnetent");
4877 #ifdef HAS_SETPROTOENT
4878 PerlSock_setprotoent(TOPi);
4881 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4888 #ifdef HAS_SETSERVENT
4889 PerlSock_setservent(TOPi);
4892 DIE(aTHX_ PL_no_sock_func, "setservent");
4899 #ifdef HAS_ENDHOSTENT
4900 PerlSock_endhostent();
4904 DIE(aTHX_ PL_no_sock_func, "endhostent");
4911 #ifdef HAS_ENDNETENT
4912 PerlSock_endnetent();
4916 DIE(aTHX_ PL_no_sock_func, "endnetent");
4923 #ifdef HAS_ENDPROTOENT
4924 PerlSock_endprotoent();
4928 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4935 #ifdef HAS_ENDSERVENT
4936 PerlSock_endservent();
4940 DIE(aTHX_ PL_no_sock_func, "endservent");
4949 DIE(aTHX_ PL_no_func, "getpwnam");
4958 DIE(aTHX_ PL_no_func, "getpwuid");
4966 I32 which = PL_op->op_type;
4969 struct passwd *pwent = NULL;
4971 * We currently support only the SysV getsp* shadow password interface.
4972 * The interface is declared in <shadow.h> and often one needs to link
4973 * with -lsecurity or some such.
4974 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
4977 * AIX getpwnam() is clever enough to return the encrypted password
4978 * only if the caller (euid?) is root.
4980 * There are at least two other shadow password APIs. Many platforms
4981 * seem to contain more than one interface for accessing the shadow
4982 * password databases, possibly for compatibility reasons.
4983 * The getsp*() is by far he simplest one, the other two interfaces
4984 * are much more complicated, but also very similar to each other.
4989 * struct pr_passwd *getprpw*();
4990 * The password is in
4991 * char getprpw*(...).ufld.fd_encrypt[]
4992 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
4997 * struct es_passwd *getespw*();
4998 * The password is in
4999 * char *(getespw*(...).ufld.fd_encrypt)
5000 * Mention HAS_GETESPWNAM here so that Configure probes for it.
5002 * Mention I_PROT here so that Configure probes for it.
5004 * In HP-UX for getprpw*() the manual page claims that one should include
5005 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
5006 * if one includes <shadow.h> as that includes <hpsecurity.h>,
5007 * and pp_sys.c already includes <shadow.h> if there is such.
5009 * Note that <sys/security.h> is already probed for, but currently
5010 * it is only included in special cases.
5012 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
5013 * be preferred interface, even though also the getprpw*() interface
5014 * is available) one needs to link with -lsecurity -ldb -laud -lm.
5015 * One also needs to call set_auth_parameters() in main() before
5016 * doing anything else, whether one is using getespw*() or getprpw*().
5018 * Note that accessing the shadow databases can be magnitudes
5019 * slower than accessing the standard databases.
5026 pwent = getpwnam(POPpx);
5029 pwent = getpwuid((Uid_t)POPi);
5032 # ifdef HAS_GETPWENT
5035 DIE(aTHX_ PL_no_func, "getpwent");
5041 if (GIMME != G_ARRAY) {
5042 PUSHs(sv = sv_newmortal());
5044 if (which == OP_GPWNAM)
5045 # if Uid_t_sign <= 0
5046 sv_setiv(sv, (IV)pwent->pw_uid);
5048 sv_setuv(sv, (UV)pwent->pw_uid);
5051 sv_setpv(sv, pwent->pw_name);
5057 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5058 sv_setpv(sv, pwent->pw_name);
5060 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5062 /* If we have getspnam(), we try to dig up the shadow
5063 * password. If we are underprivileged, the shadow
5064 * interface will set the errno to EACCES or similar,
5065 * and return a null pointer. If this happens, we will
5066 * use the dummy password (usually "*" or "x") from the
5067 * standard password database.
5069 * In theory we could skip the shadow call completely
5070 * if euid != 0 but in practice we cannot know which
5071 * security measures are guarding the shadow databases
5072 * on a random platform.
5074 * Resist the urge to use additional shadow interfaces.
5075 * Divert the urge to writing an extension instead.
5078 # ifdef HAS_GETSPNAM
5080 struct spwd *spwent;
5081 int saverrno; /* Save and restore errno so that
5082 * underprivileged attempts seem
5083 * to have never made the unsccessful
5084 * attempt to retrieve the shadow password. */
5087 spwent = getspnam(pwent->pw_name);
5089 if (spwent && spwent->sp_pwdp)
5090 sv_setpv(sv, spwent->sp_pwdp);
5094 if (!SvPOK(sv)) /* Use the standard password, then. */
5095 sv_setpv(sv, pwent->pw_passwd);
5098 # ifndef INCOMPLETE_TAINTS
5099 /* passwd is tainted because user himself can diddle with it.
5100 * admittedly not much and in a very limited way, but nevertheless. */
5104 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5105 # if Uid_t_sign <= 0
5106 sv_setiv(sv, (IV)pwent->pw_uid);
5108 sv_setuv(sv, (UV)pwent->pw_uid);
5111 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5112 # if Uid_t_sign <= 0
5113 sv_setiv(sv, (IV)pwent->pw_gid);
5115 sv_setuv(sv, (UV)pwent->pw_gid);
5117 /* pw_change, pw_quota, and pw_age are mutually exclusive--
5118 * because of the poor interface of the Perl getpw*(),
5119 * not because there's some standard/convention saying so.
5120 * A better interface would have been to return a hash,
5121 * but we are accursed by our history, alas. --jhi. */
5122 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5124 sv_setiv(sv, (IV)pwent->pw_change);
5127 sv_setiv(sv, (IV)pwent->pw_quota);
5130 sv_setpv(sv, pwent->pw_age);
5135 /* pw_class and pw_comment are mutually exclusive--.
5136 * see the above note for pw_change, pw_quota, and pw_age. */
5137 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5139 sv_setpv(sv, pwent->pw_class);
5142 sv_setpv(sv, pwent->pw_comment);
5146 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5148 sv_setpv(sv, pwent->pw_gecos);
5150 # ifndef INCOMPLETE_TAINTS
5151 /* pw_gecos is tainted because user himself can diddle with it. */
5155 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5156 sv_setpv(sv, pwent->pw_dir);
5158 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5159 sv_setpv(sv, pwent->pw_shell);
5160 # ifndef INCOMPLETE_TAINTS
5161 /* pw_shell is tainted because user himself can diddle with it. */
5166 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5167 sv_setiv(sv, (IV)pwent->pw_expire);
5172 DIE(aTHX_ PL_no_func, "getpwent");
5179 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5183 DIE(aTHX_ PL_no_func, "setpwent");
5190 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5194 DIE(aTHX_ PL_no_func, "endpwent");
5203 DIE(aTHX_ PL_no_func, "getgrnam");
5212 DIE(aTHX_ PL_no_func, "getgrgid");
5220 I32 which = PL_op->op_type;
5221 register char **elem;
5223 struct group *grent;
5226 if (which == OP_GGRNAM)
5227 grent = (struct group *)getgrnam(POPpx);
5228 else if (which == OP_GGRGID)
5229 grent = (struct group *)getgrgid(POPi);
5232 grent = (struct group *)getgrent();
5234 DIE(aTHX_ PL_no_func, "getgrent");
5238 if (GIMME != G_ARRAY) {
5239 PUSHs(sv = sv_newmortal());
5241 if (which == OP_GGRNAM)
5242 sv_setiv(sv, (IV)grent->gr_gid);
5244 sv_setpv(sv, grent->gr_name);
5250 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5251 sv_setpv(sv, grent->gr_name);
5253 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5255 sv_setpv(sv, grent->gr_passwd);
5258 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5259 sv_setiv(sv, (IV)grent->gr_gid);
5261 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5262 for (elem = grent->gr_mem; elem && *elem; elem++) {
5263 sv_catpv(sv, *elem);
5265 sv_catpvn(sv, " ", 1);
5271 DIE(aTHX_ PL_no_func, "getgrent");
5278 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5282 DIE(aTHX_ PL_no_func, "setgrent");
5289 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5293 DIE(aTHX_ PL_no_func, "endgrent");
5303 if (!(tmps = PerlProc_getlogin()))
5305 PUSHp(tmps, strlen(tmps));
5308 DIE(aTHX_ PL_no_func, "getlogin");
5312 /* Miscellaneous. */
5317 djSP; dMARK; dORIGMARK; dTARGET;
5318 register I32 items = SP - MARK;
5319 unsigned long a[20];
5325 while (++MARK <= SP) {
5326 if (SvTAINTED(*MARK)) {
5332 TAINT_PROPER("syscall");
5335 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5336 * or where sizeof(long) != sizeof(char*). But such machines will
5337 * not likely have syscall implemented either, so who cares?
5339 while (++MARK <= SP) {
5340 if (SvNIOK(*MARK) || !i)
5341 a[i++] = SvIV(*MARK);
5342 else if (*MARK == &PL_sv_undef)
5345 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5351 DIE(aTHX_ "Too many args to syscall");
5353 DIE(aTHX_ "Too few args to syscall");
5355 retval = syscall(a[0]);
5358 retval = syscall(a[0],a[1]);
5361 retval = syscall(a[0],a[1],a[2]);
5364 retval = syscall(a[0],a[1],a[2],a[3]);
5367 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5370 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5373 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5376 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5380 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5383 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5386 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5390 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5394 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5398 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5399 a[10],a[11],a[12],a[13]);
5401 #endif /* atarist */
5407 DIE(aTHX_ PL_no_func, "syscall");
5411 #ifdef FCNTL_EMULATE_FLOCK
5413 /* XXX Emulate flock() with fcntl().
5414 What's really needed is a good file locking module.
5418 fcntl_emulate_flock(int fd, int operation)
5422 switch (operation & ~LOCK_NB) {
5424 flock.l_type = F_RDLCK;
5427 flock.l_type = F_WRLCK;
5430 flock.l_type = F_UNLCK;
5436 flock.l_whence = SEEK_SET;
5437 flock.l_start = flock.l_len = (Off_t)0;
5439 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5442 #endif /* FCNTL_EMULATE_FLOCK */
5444 #ifdef LOCKF_EMULATE_FLOCK
5446 /* XXX Emulate flock() with lockf(). This is just to increase
5447 portability of scripts. The calls are not completely
5448 interchangeable. What's really needed is a good file
5452 /* The lockf() constants might have been defined in <unistd.h>.
5453 Unfortunately, <unistd.h> causes troubles on some mixed
5454 (BSD/POSIX) systems, such as SunOS 4.1.3.
5456 Further, the lockf() constants aren't POSIX, so they might not be
5457 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5458 just stick in the SVID values and be done with it. Sigh.
5462 # define F_ULOCK 0 /* Unlock a previously locked region */
5465 # define F_LOCK 1 /* Lock a region for exclusive use */
5468 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5471 # define F_TEST 3 /* Test a region for other processes locks */
5475 lockf_emulate_flock(int fd, int operation)
5481 /* flock locks entire file so for lockf we need to do the same */
5483 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5484 if (pos > 0) /* is seekable and needs to be repositioned */
5485 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5486 pos = -1; /* seek failed, so don't seek back afterwards */
5489 switch (operation) {
5491 /* LOCK_SH - get a shared lock */
5493 /* LOCK_EX - get an exclusive lock */
5495 i = lockf (fd, F_LOCK, 0);
5498 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5499 case LOCK_SH|LOCK_NB:
5500 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5501 case LOCK_EX|LOCK_NB:
5502 i = lockf (fd, F_TLOCK, 0);
5504 if ((errno == EAGAIN) || (errno == EACCES))
5505 errno = EWOULDBLOCK;
5508 /* LOCK_UN - unlock (non-blocking is a no-op) */
5510 case LOCK_UN|LOCK_NB:
5511 i = lockf (fd, F_ULOCK, 0);
5514 /* Default - can't decipher operation */
5521 if (pos > 0) /* need to restore position of the handle */
5522 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5527 #endif /* LOCKF_EMULATE_FLOCK */