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);
509 DIE(aTHX_ PL_no_usym, "filehandle");
511 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
513 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
514 /* Method's args are same as ours ... */
515 /* ... except handle is replaced by the object */
516 *MARK-- = SvTIED_obj((SV*)gv, mg);
520 call_method("OPEN", G_SCALAR);
533 tmps = SvPV(sv, len);
534 ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, MARK+1, (SP-MARK));
537 PUSHi( (I32)PL_forkprocess );
538 else if (PL_forkprocess == 0) /* we are a new child */
556 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
558 XPUSHs(SvTIED_obj((SV*)gv, mg));
561 call_method("CLOSE", G_SCALAR);
567 PUSHs(boolSV(do_close(gv, TRUE)));
587 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
588 DIE(aTHX_ PL_no_usym, "filehandle");
593 do_close(rgv, FALSE);
595 do_close(wgv, FALSE);
597 if (PerlProc_pipe(fd) < 0)
600 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
601 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
602 IoIFP(wstio) = IoOFP(wstio);
603 IoTYPE(rstio) = IoTYPE_RDONLY;
604 IoTYPE(wstio) = IoTYPE_WRONLY;
606 if (!IoIFP(rstio) || !IoOFP(wstio)) {
607 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
608 else PerlLIO_close(fd[0]);
609 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
610 else PerlLIO_close(fd[1]);
613 #if defined(HAS_FCNTL) && defined(F_SETFD)
614 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
615 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
622 DIE(aTHX_ PL_no_func, "pipe");
638 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
640 XPUSHs(SvTIED_obj((SV*)gv, mg));
643 call_method("FILENO", G_SCALAR);
649 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io))) {
650 /* Can't do this because people seem to do things like
651 defined(fileno($foo)) to check whether $foo is a valid fh.
652 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
653 report_evil_fh(gv, io, PL_op->op_type);
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);
706 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
708 XPUSHs(SvTIED_obj((SV*)gv, mg));
713 call_method("BINMODE", G_SCALAR);
720 if (!(io = GvIO(gv)) || !(fp = IoIFP(io))) {
721 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
722 report_evil_fh(gv, io, PL_op->op_type);
727 names = SvPV(discp,len);
730 if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp),
731 (discp) ? SvPV_nolen(discp) : Nullch))
745 I32 markoff = MARK - PL_stack_base;
752 switch(SvTYPE(varsv)) {
754 methname = "TIEHASH";
757 methname = "TIEARRAY";
760 methname = "TIEHANDLE";
764 methname = "TIESCALAR";
769 if (sv_isobject(*MARK)) {
771 PUSHSTACKi(PERLSI_MAGIC);
777 call_method(methname, G_SCALAR);
780 /* Not clear why we don't call call_method here too.
781 * perhaps to get different error message ?
783 stash = gv_stashsv(*MARK, FALSE);
784 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
785 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
786 methname, SvPV(*MARK,n_a));
789 PUSHSTACKi(PERLSI_MAGIC);
795 call_sv((SV*)GvCV(gv), G_SCALAR);
801 if (sv_isobject(sv)) {
802 sv_unmagic(varsv, how);
803 /* Croak if a self-tie on an aggregate is attempted. */
804 if (varsv == SvRV(sv) &&
805 (SvTYPE(sv) == SVt_PVAV ||
806 SvTYPE(sv) == SVt_PVHV))
808 "Self-ties of arrays and hashes are not supported");
809 sv_magic(varsv, sv, how, Nullch, 0);
812 SP = PL_stack_base + markoff;
821 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
824 if ((mg = SvTIED_mg(sv, how))) {
825 SV *obj = SvRV(mg->mg_obj);
828 if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
829 isGV(gv) && (cv = GvCV(gv))) {
831 XPUSHs(SvTIED_obj((SV*)gv, mg));
832 XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
835 call_sv((SV *)cv, G_VOID);
839 else if (ckWARN(WARN_UNTIE)) {
840 if (mg && SvREFCNT(obj) > 1)
841 Perl_warner(aTHX_ WARN_UNTIE,
842 "untie attempted while %"UVuf" inner references still exist",
843 (UV)SvREFCNT(obj) - 1 ) ;
854 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
857 if ((mg = SvTIED_mg(sv, how))) {
858 SV *osv = SvTIED_obj(sv, mg);
859 if (osv == mg->mg_obj)
860 osv = sv_mortalcopy(osv);
878 sv = sv_mortalcopy(&PL_sv_no);
879 sv_setpv(sv, "AnyDBM_File");
880 stash = gv_stashsv(sv, FALSE);
881 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
883 require_pv("AnyDBM_File.pm");
885 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
886 DIE(aTHX_ "No dbm on this machine");
896 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
898 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
901 call_sv((SV*)GvCV(gv), G_SCALAR);
904 if (!sv_isobject(TOPs)) {
909 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
912 call_sv((SV*)GvCV(gv), G_SCALAR);
916 if (sv_isobject(TOPs)) {
917 sv_unmagic((SV *) hv, 'P');
918 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
940 struct timeval timebuf;
941 struct timeval *tbuf = &timebuf;
945 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
950 # if BYTEORDER & 0xf0000
951 # define ORDERBYTE (0x88888888 - BYTEORDER)
953 # define ORDERBYTE (0x4444 - BYTEORDER)
959 for (i = 1; i <= 3; i++) {
967 /* little endians can use vecs directly */
968 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
969 # if SELECT_MIN_BITS > 1
970 /* If SELECT_MIN_BITS is greater than one we most probably will want
971 * to align the sizes with SELECT_MIN_BITS/8 because for example
972 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
973 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
974 * on (sets/tests/clears bits) is 32 bits. */
975 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
977 growsize = sizeof(fd_set);
986 masksize = NFDBITS / NBBY;
988 masksize = sizeof(long); /* documented int, everyone seems to use long */
990 growsize = maxlen + (masksize - (maxlen % masksize));
991 Zero(&fd_sets[0], 4, char*);
999 timebuf.tv_sec = (long)value;
1000 value -= (NV)timebuf.tv_sec;
1001 timebuf.tv_usec = (long)(value * 1000000.0);
1004 tbuf = Null(struct timeval*);
1006 for (i = 1; i <= 3; i++) {
1012 else if (!SvPOK(sv))
1013 SvPV_force(sv,n_a); /* force string conversion */
1016 Sv_Grow(sv, growsize);
1020 while (++j <= growsize) {
1024 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1026 New(403, fd_sets[i], growsize, char);
1027 for (offset = 0; offset < growsize; offset += masksize) {
1028 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1029 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1032 fd_sets[i] = SvPVX(sv);
1036 nfound = PerlSock_select(
1038 (Select_fd_set_t) fd_sets[1],
1039 (Select_fd_set_t) fd_sets[2],
1040 (Select_fd_set_t) fd_sets[3],
1042 for (i = 1; i <= 3; i++) {
1045 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1047 for (offset = 0; offset < growsize; offset += masksize) {
1048 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1049 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1051 Safefree(fd_sets[i]);
1058 if (GIMME == G_ARRAY && tbuf) {
1059 value = (NV)(timebuf.tv_sec) +
1060 (NV)(timebuf.tv_usec) / 1000000.0;
1061 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1062 sv_setnv(sv, value);
1066 DIE(aTHX_ "select not implemented");
1071 Perl_setdefout(pTHX_ GV *gv)
1074 (void)SvREFCNT_inc(gv);
1076 SvREFCNT_dec(PL_defoutgv);
1083 GV *newdefout, *egv;
1086 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1088 egv = GvEGV(PL_defoutgv);
1093 XPUSHs(&PL_sv_undef);
1095 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1096 if (gvp && *gvp == egv) {
1097 gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
1101 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1106 if (!GvIO(newdefout))
1107 gv_IOadd(newdefout);
1108 setdefout(newdefout);
1125 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1126 I32 gimme = GIMME_V;
1128 XPUSHs(SvTIED_obj((SV*)gv, mg));
1131 call_method("GETC", gimme);
1134 if (gimme == G_SCALAR)
1135 SvSetMagicSV_nosteal(TARG, TOPs);
1138 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1141 sv_setpv(TARG, " ");
1142 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1143 if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) {
1144 /* Find out how many bytes the char needs */
1145 Size_t len = UTF8SKIP(SvPVX(TARG));
1148 len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1);
1149 SvCUR_set(TARG,1+len);
1159 return pp_sysread();
1163 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1165 register PERL_CONTEXT *cx;
1166 I32 gimme = GIMME_V;
1167 AV* padlist = CvPADLIST(cv);
1168 SV** svp = AvARRAY(padlist);
1174 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1176 SAVEVPTR(PL_curpad);
1177 PL_curpad = AvARRAY((AV*)svp[1]);
1179 setdefout(gv); /* locally select filehandle so $% et al work */
1212 SV *tmpsv = sv_newmortal();
1213 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1214 name = SvPV_nolen(tmpsv);
1217 DIE(aTHX_ "Undefined format \"%s\" called", name);
1218 DIE(aTHX_ "Not a format reference");
1221 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1223 IoFLAGS(io) &= ~IOf_DIDTOP;
1224 return doform(cv,gv,PL_op->op_next);
1230 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1231 register IO *io = GvIOp(gv);
1232 PerlIO *ofp = IoOFP(io);
1236 register PERL_CONTEXT *cx;
1238 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1239 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1242 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1243 PL_formtarget != PL_toptarget)
1247 if (!IoTOP_GV(io)) {
1251 if (!IoTOP_NAME(io)) {
1252 if (!IoFMT_NAME(io))
1253 IoFMT_NAME(io) = savepv(GvNAME(gv));
1254 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1255 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1256 if ((topgv && GvFORM(topgv)) ||
1257 !gv_fetchpv("top",FALSE,SVt_PVFM))
1258 IoTOP_NAME(io) = savepv(SvPVX(topname));
1260 IoTOP_NAME(io) = savepv("top");
1262 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1263 if (!topgv || !GvFORM(topgv)) {
1264 IoLINES_LEFT(io) = 100000000;
1267 IoTOP_GV(io) = topgv;
1269 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1270 I32 lines = IoLINES_LEFT(io);
1271 char *s = SvPVX(PL_formtarget);
1272 if (lines <= 0) /* Yow, header didn't even fit!!! */
1274 while (lines-- > 0) {
1275 s = strchr(s, '\n');
1281 STRLEN save = SvCUR(PL_formtarget);
1282 SvCUR_set(PL_formtarget, s - SvPVX(PL_formtarget));
1283 do_print(PL_formtarget, ofp);
1284 SvCUR_set(PL_formtarget, save);
1285 sv_chop(PL_formtarget, s);
1286 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1289 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1290 do_print(PL_formfeed, ofp);
1291 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1293 PL_formtarget = PL_toptarget;
1294 IoFLAGS(io) |= IOf_DIDTOP;
1297 DIE(aTHX_ "bad top format reference");
1302 SV *sv = sv_newmortal();
1303 gv_efullname4(sv, fgv, Nullch, FALSE);
1304 name = SvPV_nolen(sv);
1307 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1310 DIE(aTHX_ "Undefined top format called");
1314 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1315 return doform(cv,gv,PL_op);
1319 POPBLOCK(cx,PL_curpm);
1325 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1327 /* integrate with report_evil_fh()? */
1330 SV* sv = sv_newmortal();
1331 gv_efullname4(sv, gv, Nullch, FALSE);
1332 name = SvPV_nolen(sv);
1335 Perl_warner(aTHX_ WARN_IO,
1336 "Filehandle %s opened only for input", name);
1338 Perl_warner(aTHX_ WARN_IO,
1339 "Filehandle opened only for input");
1341 else if (ckWARN(WARN_CLOSED))
1342 report_evil_fh(gv, io, PL_op->op_type);
1347 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1348 if (ckWARN(WARN_IO))
1349 Perl_warner(aTHX_ WARN_IO, "page overflow");
1351 if (!do_print(PL_formtarget, fp))
1354 FmLINES(PL_formtarget) = 0;
1355 SvCUR_set(PL_formtarget, 0);
1356 *SvEND(PL_formtarget) = '\0';
1357 if (IoFLAGS(io) & IOf_FLUSH)
1358 (void)PerlIO_flush(fp);
1363 PL_formtarget = PL_bodytarget;
1365 return pop_return();
1370 djSP; dMARK; dORIGMARK;
1378 if (PL_op->op_flags & OPf_STACKED)
1383 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1384 if (MARK == ORIGMARK) {
1387 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1391 *MARK = SvTIED_obj((SV*)gv, mg);
1394 call_method("PRINTF", G_SCALAR);
1397 MARK = ORIGMARK + 1;
1404 if (!(io = GvIO(gv))) {
1405 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1406 report_evil_fh(gv, io, PL_op->op_type);
1407 SETERRNO(EBADF,RMS$_IFI);
1410 else if (!(fp = IoOFP(io))) {
1411 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1412 /* integrate with report_evil_fh()? */
1416 gv_efullname4(sv, gv, Nullch, FALSE);
1417 name = SvPV_nolen(sv);
1420 Perl_warner(aTHX_ WARN_IO,
1421 "Filehandle %s opened only for input", name);
1423 Perl_warner(aTHX_ WARN_IO,
1424 "Filehandle opened only for input");
1426 else if (ckWARN(WARN_CLOSED))
1427 report_evil_fh(gv, io, PL_op->op_type);
1429 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1433 do_sprintf(sv, SP - MARK, MARK + 1);
1434 if (!do_print(sv, fp))
1437 if (IoFLAGS(io) & IOf_FLUSH)
1438 if (PerlIO_flush(fp) == EOF)
1449 PUSHs(&PL_sv_undef);
1470 /* Need TIEHANDLE method ? */
1472 tmps = SvPV(sv, len);
1473 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1474 IoLINES(GvIOp(gv)) = 0;
1478 PUSHs(&PL_sv_undef);
1485 djSP; dMARK; dORIGMARK; dTARGET;
1492 Sock_size_t bufsize;
1501 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1502 (mg = SvTIED_mg((SV*)gv, 'q')))
1507 *MARK = SvTIED_obj((SV*)gv, mg);
1509 call_method("READ", G_SCALAR);
1522 sv_setpvn(bufsv, "", 0);
1523 length = SvIVx(*++MARK);
1526 offset = SvIVx(*++MARK);
1530 if (!io || !IoIFP(io))
1532 if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTE) {
1533 buffer = SvPVutf8_force(bufsv, blen);
1534 /* UTF8 may not have been set if they are all low bytes */
1538 buffer = SvPV_force(bufsv, blen);
1541 DIE(aTHX_ "Negative length");
1545 if (PL_op->op_type == OP_RECV) {
1546 char namebuf[MAXPATHLEN];
1547 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1548 bufsize = sizeof (struct sockaddr_in);
1550 bufsize = sizeof namebuf;
1552 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1556 buffer = SvGROW(bufsv, length+1);
1557 /* 'offset' means 'flags' here */
1558 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1559 (struct sockaddr *)namebuf, &bufsize);
1562 SvCUR_set(bufsv, count);
1563 *SvEND(bufsv) = '\0';
1564 (void)SvPOK_only(bufsv);
1568 /* This should not be marked tainted if the fp is marked clean */
1569 if (!(IoFLAGS(io) & IOf_UNTAINT))
1570 SvTAINTED_on(bufsv);
1572 sv_setpvn(TARG, namebuf, bufsize);
1577 if (PL_op->op_type == OP_RECV)
1578 DIE(aTHX_ PL_no_sock_func, "recv");
1580 if (DO_UTF8(bufsv)) {
1581 /* offset adjust in characters not bytes */
1582 blen = sv_len_utf8(bufsv);
1586 DIE(aTHX_ "Offset outside string");
1589 if (DO_UTF8(bufsv)) {
1590 /* convert offset-as-chars to offset-as-bytes */
1591 offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer;
1594 bufsize = SvCUR(bufsv);
1595 buffer = SvGROW(bufsv, length+offset+1);
1596 if (offset > bufsize) { /* Zero any newly allocated space */
1597 Zero(buffer+bufsize, offset-bufsize, char);
1599 buffer = buffer + offset;
1601 if (PL_op->op_type == OP_SYSREAD) {
1602 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1603 if (IoTYPE(io) == IoTYPE_SOCKET) {
1604 count = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1610 count = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1615 #ifdef HAS_SOCKET__bad_code_maybe
1616 if (IoTYPE(io) == IoTYPE_SOCKET) {
1617 char namebuf[MAXPATHLEN];
1618 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1619 bufsize = sizeof (struct sockaddr_in);
1621 bufsize = sizeof namebuf;
1623 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0,
1624 (struct sockaddr *)namebuf, &bufsize);
1629 count = PerlIO_read(IoIFP(io), buffer, length);
1630 /* PerlIO_read() - like fread() returns 0 on both error and EOF */
1631 if (count == 0 && PerlIO_error(IoIFP(io)))
1635 if ((IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout()
1636 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1638 /* integrate with report_evil_fh()? */
1641 SV* sv = sv_newmortal();
1642 gv_efullname4(sv, gv, Nullch, FALSE);
1643 name = SvPV_nolen(sv);
1646 Perl_warner(aTHX_ WARN_IO,
1647 "Filehandle %s opened only for output", name);
1649 Perl_warner(aTHX_ WARN_IO,
1650 "Filehandle opened only for output");
1654 SvCUR_set(bufsv, count+(buffer - SvPVX(bufsv)));
1655 *SvEND(bufsv) = '\0';
1656 (void)SvPOK_only(bufsv);
1657 if (fp_utf8 && !IN_BYTE) {
1658 /* Look at utf8 we got back and count the characters */
1659 char *bend = buffer + count;
1660 while (buffer < bend) {
1661 STRLEN skip = UTF8SKIP(buffer);
1662 if (buffer+skip > bend) {
1663 /* partial character - try for rest of it */
1664 length = skip - (bend-buffer);
1665 offset = bend - SvPVX(bufsv);
1673 /* If we have not 'got' the number of _characters_ we 'wanted' get some more
1674 provided amount read (count) was what was requested (length)
1676 if (got < wanted && count == length) {
1677 length = (wanted-got);
1678 offset = bend - SvPVX(bufsv);
1681 /* return value is character count */
1686 /* This should not be marked tainted if the fp is marked clean */
1687 if (!(IoFLAGS(io) & IOf_UNTAINT))
1688 SvTAINTED_on(bufsv);
1701 int items = (SP - PL_stack_base) - TOPMARK;
1705 sv = sv_2mortal(newSViv(sv_len(*SP)));
1714 djSP; dMARK; dORIGMARK; dTARGET;
1725 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1729 *MARK = SvTIED_obj((SV*)gv, mg);
1731 call_method("WRITE", G_SCALAR);
1742 #if Size_t_size > IVSIZE
1743 length = (Size_t)SvNVx(*++MARK);
1745 length = (Size_t)SvIVx(*++MARK);
1747 if ((SSize_t)length < 0)
1748 DIE(aTHX_ "Negative length");
1751 if (!io || !IoIFP(io)) {
1753 if (ckWARN(WARN_CLOSED))
1754 report_evil_fh(gv, io, PL_op->op_type);
1758 if (PerlIO_isutf8(IoIFP(io))) {
1759 buffer = SvPVutf8(bufsv, blen);
1763 sv_utf8_downgrade(bufsv, FALSE);
1764 buffer = SvPV(bufsv, blen);
1767 if (PL_op->op_type == OP_SYSWRITE) {
1769 if (DO_UTF8(bufsv)) {
1770 /* length and offset are in chars */
1771 blen = sv_len_utf8(bufsv);
1774 offset = SvIVx(*++MARK);
1777 DIE(aTHX_ "Offset outside string");
1779 } else if (offset >= blen && blen > 0)
1780 DIE(aTHX_ "Offset outside string");
1783 if (length > blen - offset)
1784 length = blen - offset;
1785 if (DO_UTF8(bufsv)) {
1786 buffer = (char*)utf8_hop((U8 *)buffer, offset);
1787 length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer;
1790 buffer = buffer+offset;
1792 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1793 if (IoTYPE(io) == IoTYPE_SOCKET) {
1794 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1800 /* See the note at doio.c:do_print about filesize limits. --jhi */
1801 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1806 else if (SP > MARK) {
1809 sockbuf = SvPVx(*++MARK, mlen);
1810 /* length is really flags */
1811 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1812 length, (struct sockaddr *)sockbuf, mlen);
1815 /* length is really flags */
1816 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1819 DIE(aTHX_ PL_no_sock_func, "send");
1824 #if Size_t_size > IVSIZE
1838 return pp_sysread();
1848 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1850 gv = PL_last_in_gv = PL_argvgv;
1852 if (io && !IoIFP(io)) {
1853 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1855 IoFLAGS(io) &= ~IOf_START;
1856 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1857 sv_setpvn(GvSV(gv), "-", 1);
1858 SvSETMAGIC(GvSV(gv));
1860 else if (!nextargv(gv))
1865 gv = PL_last_in_gv; /* eof */
1868 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1870 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1872 XPUSHs(SvTIED_obj((SV*)gv, mg));
1875 call_method("EOF", G_SCALAR);
1881 PUSHs(boolSV(!gv || do_eof(gv)));
1894 gv = PL_last_in_gv = (GV*)POPs;
1896 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1898 XPUSHs(SvTIED_obj((SV*)gv, mg));
1901 call_method("TELL", G_SCALAR);
1907 #if LSEEKSIZE > IVSIZE
1908 PUSHn( do_tell(gv) );
1910 PUSHi( do_tell(gv) );
1917 return pp_sysseek();
1925 #if LSEEKSIZE > IVSIZE
1926 Off_t offset = (Off_t)SvNVx(POPs);
1928 Off_t offset = (Off_t)SvIVx(POPs);
1932 gv = PL_last_in_gv = (GV*)POPs;
1934 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1936 XPUSHs(SvTIED_obj((SV*)gv, mg));
1937 #if LSEEKSIZE > IVSIZE
1938 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1940 XPUSHs(sv_2mortal(newSViv(offset)));
1942 XPUSHs(sv_2mortal(newSViv(whence)));
1945 call_method("SEEK", G_SCALAR);
1951 if (PL_op->op_type == OP_SEEK)
1952 PUSHs(boolSV(do_seek(gv, offset, whence)));
1954 Off_t sought = do_sysseek(gv, offset, whence);
1956 PUSHs(&PL_sv_undef);
1959 #if LSEEKSIZE > IVSIZE
1964 : newSVpvn(zero_but_true, ZBTLEN);
1965 PUSHs(sv_2mortal(sv));
1974 /* There seems to be no consensus on the length type of truncate()
1975 * and ftruncate(), both off_t and size_t have supporters. In
1976 * general one would think that when using large files, off_t is
1977 * at least as wide as size_t, so using an off_t should be okay. */
1978 /* XXX Configure probe for the length type of *truncate() needed XXX */
1984 #if Size_t_size > IVSIZE
1989 /* Checking for length < 0 is problematic as the type might or
1990 * might not be signed: if it is not, clever compilers will moan. */
1991 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1993 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1994 if (PL_op->op_flags & OPf_SPECIAL) {
1995 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1997 TAINT_PROPER("truncate");
1998 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
2001 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
2003 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
2005 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
2015 if (SvTYPE(sv) == SVt_PVGV) {
2016 tmpgv = (GV*)sv; /* *main::FRED for example */
2019 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2020 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
2024 name = SvPV(sv, n_a);
2025 TAINT_PROPER("truncate");
2027 if (truncate(name, len) < 0)
2032 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
2035 if (my_chsize(tmpfd, len) < 0)
2037 PerlLIO_close(tmpfd);
2046 SETERRNO(EBADF,RMS$_IFI);
2049 DIE(aTHX_ "truncate not implemented");
2062 unsigned int func = U_I(POPn);
2063 int optype = PL_op->op_type;
2067 IO *io = gv ? GvIOn(gv) : 0;
2069 if (!io || !argsv || !IoIFP(io)) {
2070 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2071 report_evil_fh(gv, io, PL_op->op_type);
2072 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
2076 if (SvPOK(argsv) || !SvNIOK(argsv)) {
2079 s = SvPV_force(argsv, len);
2080 need = IOCPARM_LEN(func);
2082 s = Sv_Grow(argsv, need + 1);
2083 SvCUR_set(argsv, need);
2086 s[SvCUR(argsv)] = 17; /* a little sanity check here */
2089 retval = SvIV(argsv);
2090 s = INT2PTR(char*,retval); /* ouch */
2093 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
2095 if (optype == OP_IOCTL)
2097 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
2099 DIE(aTHX_ "ioctl is not implemented");
2103 #if defined(OS2) && defined(__EMX__)
2104 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
2106 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2109 DIE(aTHX_ "fcntl is not implemented");
2113 if (s[SvCUR(argsv)] != 17)
2114 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2115 PL_op_name[optype]);
2116 s[SvCUR(argsv)] = 0; /* put our null back */
2117 SvSETMAGIC(argsv); /* Assume it has changed */
2126 PUSHp(zero_but_true, ZBTLEN);
2146 if (gv && (io = GvIO(gv)))
2153 (void)PerlIO_flush(fp);
2154 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2157 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2158 report_evil_fh(gv, io, PL_op->op_type);
2160 SETERRNO(EBADF,RMS$_IFI);
2165 DIE(aTHX_ PL_no_func, "flock()");
2177 int protocol = POPi;
2183 io = gv ? GvIOn(gv) : NULL;
2186 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2187 report_evil_fh(gv, io, PL_op->op_type);
2189 do_close(gv, FALSE);
2190 SETERRNO(EBADF,LIB$_INVARG);
2194 TAINT_PROPER("socket");
2195 fd = PerlSock_socket(domain, type, protocol);
2198 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2199 IoOFP(io) = PerlIO_fdopen(fd, "w");
2200 IoTYPE(io) = IoTYPE_SOCKET;
2201 if (!IoIFP(io) || !IoOFP(io)) {
2202 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2203 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2204 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2207 #if defined(HAS_FCNTL) && defined(F_SETFD)
2208 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2213 DIE(aTHX_ PL_no_sock_func, "socket");
2220 #ifdef HAS_SOCKETPAIR
2225 int protocol = POPi;
2232 io1 = gv1 ? GvIOn(gv1) : NULL;
2233 io2 = gv2 ? GvIOn(gv2) : NULL;
2234 if (!gv1 || !gv2 || !io1 || !io2) {
2235 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
2237 report_evil_fh(gv1, io1, PL_op->op_type);
2239 report_evil_fh(gv1, io2, PL_op->op_type);
2242 do_close(gv1, FALSE);
2244 do_close(gv2, FALSE);
2248 TAINT_PROPER("socketpair");
2249 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2251 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2252 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2253 IoTYPE(io1) = IoTYPE_SOCKET;
2254 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2255 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2256 IoTYPE(io2) = IoTYPE_SOCKET;
2257 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2258 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2259 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2260 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2261 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2262 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2263 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2266 #if defined(HAS_FCNTL) && defined(F_SETFD)
2267 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2268 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2273 DIE(aTHX_ PL_no_sock_func, "socketpair");
2281 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2282 extern GETPRIVMODE();
2283 extern GETUSERMODE();
2288 register IO *io = GvIOn(gv);
2292 int mpeprivmode = 0;
2295 if (!io || !IoIFP(io))
2298 addr = SvPV(addrsv, len);
2299 TAINT_PROPER("bind");
2300 #ifdef MPE /* Deal with MPE bind() peculiarities */
2301 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2302 /* The address *MUST* stupidly be zero. */
2303 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2304 /* PRIV mode is required to bind() to ports < 1024. */
2305 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2306 ((struct sockaddr_in *)addr)->sin_port > 0) {
2307 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2312 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2313 (struct sockaddr *)addr, len) >= 0)
2316 #ifdef MPE /* Switch back to USER mode */
2327 if (ckWARN(WARN_CLOSED))
2328 report_evil_fh(gv, io, PL_op->op_type);
2329 SETERRNO(EBADF,SS$_IVCHAN);
2332 DIE(aTHX_ PL_no_sock_func, "bind");
2343 register IO *io = GvIOn(gv);
2346 if (!io || !IoIFP(io))
2349 addr = SvPV(addrsv, len);
2350 TAINT_PROPER("connect");
2351 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2357 if (ckWARN(WARN_CLOSED))
2358 report_evil_fh(gv, io, PL_op->op_type);
2359 SETERRNO(EBADF,SS$_IVCHAN);
2362 DIE(aTHX_ PL_no_sock_func, "connect");
2372 register IO *io = gv ? GvIOn(gv) : NULL;
2374 if (!gv || !io || !IoIFP(io))
2377 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2383 if (ckWARN(WARN_CLOSED))
2384 report_evil_fh(gv, io, PL_op->op_type);
2385 SETERRNO(EBADF,SS$_IVCHAN);
2388 DIE(aTHX_ PL_no_sock_func, "listen");
2400 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2401 Sock_size_t len = sizeof saddr;
2413 if (!gstio || !IoIFP(gstio))
2418 do_close(ngv, FALSE);
2420 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2423 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2424 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2425 IoTYPE(nstio) = IoTYPE_SOCKET;
2426 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2427 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2428 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2429 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2432 #if defined(HAS_FCNTL) && defined(F_SETFD)
2433 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2437 len = sizeof saddr; /* EPOC somehow truncates info */
2440 PUSHp((char *)&saddr, len);
2444 if (ckWARN(WARN_CLOSED))
2445 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2446 SETERRNO(EBADF,SS$_IVCHAN);
2452 DIE(aTHX_ PL_no_sock_func, "accept");
2462 register IO *io = GvIOn(gv);
2464 if (!io || !IoIFP(io))
2467 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2471 if (ckWARN(WARN_CLOSED))
2472 report_evil_fh(gv, io, PL_op->op_type);
2473 SETERRNO(EBADF,SS$_IVCHAN);
2476 DIE(aTHX_ PL_no_sock_func, "shutdown");
2483 return pp_ssockopt();
2485 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2493 int optype = PL_op->op_type;
2496 unsigned int optname;
2502 if (optype == OP_GSOCKOPT)
2503 sv = sv_2mortal(NEWSV(22, 257));
2506 optname = (unsigned int) POPi;
2507 lvl = (unsigned int) POPi;
2511 if (!io || !IoIFP(io))
2514 fd = PerlIO_fileno(IoIFP(io));
2518 (void)SvPOK_only(sv);
2522 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2537 aint = (int)SvIV(sv);
2541 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2550 if (ckWARN(WARN_CLOSED))
2551 report_evil_fh(gv, io, optype);
2552 SETERRNO(EBADF,SS$_IVCHAN);
2557 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2564 return pp_getpeername();
2566 DIE(aTHX_ PL_no_sock_func, "getsockname");
2574 int optype = PL_op->op_type;
2578 register IO *io = GvIOn(gv);
2581 if (!io || !IoIFP(io))
2584 sv = sv_2mortal(NEWSV(22, 257));
2585 (void)SvPOK_only(sv);
2589 fd = PerlIO_fileno(IoIFP(io));
2591 case OP_GETSOCKNAME:
2592 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2595 case OP_GETPEERNAME:
2596 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2598 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2600 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";
2601 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2602 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2603 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2604 sizeof(u_short) + sizeof(struct in_addr))) {
2611 #ifdef BOGUS_GETNAME_RETURN
2612 /* Interactive Unix, getpeername() and getsockname()
2613 does not return valid namelen */
2614 if (len == BOGUS_GETNAME_RETURN)
2615 len = sizeof(struct sockaddr);
2623 if (ckWARN(WARN_CLOSED))
2624 report_evil_fh(gv, io, optype);
2625 SETERRNO(EBADF,SS$_IVCHAN);
2630 DIE(aTHX_ PL_no_sock_func, "getpeername");
2649 if (PL_op->op_flags & OPf_REF) {
2651 if (PL_op->op_type == OP_LSTAT) {
2652 if (PL_laststype != OP_LSTAT)
2653 Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
2654 if (ckWARN(WARN_IO) && gv != PL_defgv)
2655 Perl_warner(aTHX_ WARN_IO,
2656 "lstat() on filehandle %s", GvENAME(gv));
2657 /* Perl_my_lstat (-l) croak's on filehandle, why warn here? */
2661 if (gv != PL_defgv) {
2662 PL_laststype = OP_STAT;
2664 sv_setpv(PL_statname, "");
2665 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2666 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2668 if (PL_laststatval < 0) {
2669 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2670 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2676 if (SvTYPE(sv) == SVt_PVGV) {
2680 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2684 sv_setpv(PL_statname, SvPV(sv,n_a));
2687 PL_laststype = PL_op->op_type;
2688 if (PL_op->op_type == OP_LSTAT)
2689 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2692 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2693 if (PL_laststatval < 0) {
2694 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2695 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2701 if (gimme != G_ARRAY) {
2702 if (gimme != G_VOID)
2703 XPUSHs(boolSV(max));
2709 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2710 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2711 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2712 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2713 #if Uid_t_size > IVSIZE
2714 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2716 # if Uid_t_sign <= 0
2717 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2719 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2722 #if Gid_t_size > IVSIZE
2723 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2725 # if Gid_t_sign <= 0
2726 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2728 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2731 #ifdef USE_STAT_RDEV
2732 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2734 PUSHs(sv_2mortal(newSVpvn("", 0)));
2736 #if Off_t_size > IVSIZE
2737 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2739 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2742 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2743 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2744 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2746 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2747 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2748 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2750 #ifdef USE_STAT_BLOCKS
2751 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2752 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2754 PUSHs(sv_2mortal(newSVpvn("", 0)));
2755 PUSHs(sv_2mortal(newSVpvn("", 0)));
2765 #if defined(HAS_ACCESS) && defined(R_OK)
2767 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2768 result = access(TOPpx, R_OK);
2783 if (cando(S_IRUSR, 0, &PL_statcache))
2792 #if defined(HAS_ACCESS) && defined(W_OK)
2794 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2795 result = access(TOPpx, W_OK);
2810 if (cando(S_IWUSR, 0, &PL_statcache))
2819 #if defined(HAS_ACCESS) && defined(X_OK)
2821 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2822 result = access(TOPpx, X_OK);
2837 if (cando(S_IXUSR, 0, &PL_statcache))
2846 #ifdef PERL_EFF_ACCESS_R_OK
2848 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2849 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2864 if (cando(S_IRUSR, 1, &PL_statcache))
2873 #ifdef PERL_EFF_ACCESS_W_OK
2875 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2876 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2891 if (cando(S_IWUSR, 1, &PL_statcache))
2900 #ifdef PERL_EFF_ACCESS_X_OK
2902 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2903 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2918 if (cando(S_IXUSR, 1, &PL_statcache))
2925 I32 result = my_stat();
2934 return pp_ftrowned();
2939 I32 result = my_stat();
2943 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2951 I32 result = my_stat();
2955 if (PL_statcache.st_size == 0)
2962 I32 result = my_stat();
2966 #if Off_t_size > IVSIZE
2967 PUSHn(PL_statcache.st_size);
2969 PUSHi(PL_statcache.st_size);
2976 I32 result = my_stat();
2980 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2986 I32 result = my_stat();
2990 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2996 I32 result = my_stat();
3000 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
3006 I32 result = my_stat();
3010 if (S_ISSOCK(PL_statcache.st_mode))
3017 I32 result = my_stat();
3021 if (S_ISCHR(PL_statcache.st_mode))
3028 I32 result = my_stat();
3032 if (S_ISBLK(PL_statcache.st_mode))
3039 I32 result = my_stat();
3043 if (S_ISREG(PL_statcache.st_mode))
3050 I32 result = my_stat();
3054 if (S_ISDIR(PL_statcache.st_mode))
3061 I32 result = my_stat();
3065 if (S_ISFIFO(PL_statcache.st_mode))
3072 I32 result = my_lstat();
3076 if (S_ISLNK(PL_statcache.st_mode))
3085 I32 result = my_stat();
3089 if (PL_statcache.st_mode & S_ISUID)
3099 I32 result = my_stat();
3103 if (PL_statcache.st_mode & S_ISGID)
3113 I32 result = my_stat();
3117 if (PL_statcache.st_mode & S_ISVTX)
3128 char *tmps = Nullch;
3131 if (PL_op->op_flags & OPf_REF)
3133 else if (isGV(TOPs))
3135 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3136 gv = (GV*)SvRV(POPs);
3138 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3140 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3141 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3142 else if (tmps && isDIGIT(*tmps))
3146 if (PerlLIO_isatty(fd))
3151 #if defined(atarist) /* this will work with atariST. Configure will
3152 make guesses for other systems. */
3153 # define FILE_base(f) ((f)->_base)
3154 # define FILE_ptr(f) ((f)->_ptr)
3155 # define FILE_cnt(f) ((f)->_cnt)
3156 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3166 register STDCHAR *s;
3173 if (PL_op->op_flags & OPf_REF)
3175 else if (isGV(TOPs))
3177 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3178 gv = (GV*)SvRV(POPs);
3184 if (gv == PL_defgv) {
3186 io = GvIO(PL_statgv);
3189 goto really_filename;
3194 PL_laststatval = -1;
3195 sv_setpv(PL_statname, "");
3196 io = GvIO(PL_statgv);
3198 if (io && IoIFP(io)) {
3199 if (! PerlIO_has_base(IoIFP(io)))
3200 DIE(aTHX_ "-T and -B not implemented on filehandles");
3201 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3202 if (PL_laststatval < 0)
3204 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3205 if (PL_op->op_type == OP_FTTEXT)
3209 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3210 i = PerlIO_getc(IoIFP(io));
3212 (void)PerlIO_ungetc(IoIFP(io),i);
3214 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3216 len = PerlIO_get_bufsiz(IoIFP(io));
3217 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3218 /* sfio can have large buffers - limit to 512 */
3223 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3225 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3227 SETERRNO(EBADF,RMS$_IFI);
3235 PL_laststatval = -1;
3236 sv_setpv(PL_statname, SvPV(sv, n_a));
3237 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3238 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3239 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3242 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3243 if (PL_laststatval < 0) {
3244 (void)PerlIO_close(fp);
3247 PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch);
3248 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3249 (void)PerlIO_close(fp);
3251 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3252 RETPUSHNO; /* special case NFS directories */
3253 RETPUSHYES; /* null file is anything */
3258 /* now scan s to look for textiness */
3259 /* XXX ASCII dependent code */
3261 #if defined(DOSISH) || defined(USEMYBINMODE)
3262 /* ignore trailing ^Z on short files */
3263 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3267 for (i = 0; i < len; i++, s++) {
3268 if (!*s) { /* null never allowed in text */
3273 else if (!(isPRINT(*s) || isSPACE(*s)))
3276 else if (*s & 128) {
3278 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3281 /* utf8 characters don't count as odd */
3282 if (UTF8_IS_START(*s)) {
3283 int ulen = UTF8SKIP(s);
3284 if (ulen < len - i) {
3286 for (j = 1; j < ulen; j++) {
3287 if (!UTF8_IS_CONTINUATION(s[j]))
3290 --ulen; /* loop does extra increment */
3300 *s != '\n' && *s != '\r' && *s != '\b' &&
3301 *s != '\t' && *s != '\f' && *s != 27)
3306 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3330 if (!tmps || !*tmps) {
3331 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3333 tmps = SvPV(*svp, n_a);
3335 if (!tmps || !*tmps) {
3336 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3338 tmps = SvPV(*svp, n_a);
3341 if (!tmps || !*tmps) {
3342 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3344 tmps = SvPV(*svp, n_a);
3347 TAINT_PROPER("chdir");
3348 PUSHi( PerlDir_chdir(tmps) >= 0 );
3350 /* Clear the DEFAULT element of ENV so we'll get the new value
3352 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3359 djSP; dMARK; dTARGET;
3362 value = (I32)apply(PL_op->op_type, MARK, SP);
3367 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3378 TAINT_PROPER("chroot");
3379 PUSHi( chroot(tmps) >= 0 );
3382 DIE(aTHX_ PL_no_func, "chroot");
3388 djSP; dMARK; dTARGET;
3390 value = (I32)apply(PL_op->op_type, MARK, SP);
3398 djSP; dMARK; dTARGET;
3400 value = (I32)apply(PL_op->op_type, MARK, SP);
3408 djSP; dMARK; dTARGET;
3410 value = (I32)apply(PL_op->op_type, MARK, SP);
3422 char *tmps2 = POPpx;
3423 char *tmps = SvPV(TOPs, n_a);
3424 TAINT_PROPER("rename");
3426 anum = PerlLIO_rename(tmps, tmps2);
3428 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3429 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3432 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3433 (void)UNLINK(tmps2);
3434 if (!(anum = link(tmps, tmps2)))
3435 anum = UNLINK(tmps);
3448 char *tmps2 = POPpx;
3449 char *tmps = SvPV(TOPs, n_a);
3450 TAINT_PROPER("link");
3451 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3453 DIE(aTHX_ PL_no_func, "Unsupported function link");
3463 char *tmps2 = POPpx;
3464 char *tmps = SvPV(TOPs, n_a);
3465 TAINT_PROPER("symlink");
3466 SETi( symlink(tmps, tmps2) >= 0 );
3469 DIE(aTHX_ PL_no_func, "symlink");
3478 char buf[MAXPATHLEN];
3482 #ifndef INCOMPLETE_TAINTS
3486 len = readlink(tmps, buf, sizeof buf);
3494 RETSETUNDEF; /* just pretend it's a normal file */
3498 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3500 S_dooneliner(pTHX_ char *cmd, char *filename)
3502 char *save_filename = filename;
3508 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3509 strcpy(cmdline, cmd);
3510 strcat(cmdline, " ");
3511 for (s = cmdline + strlen(cmdline); *filename; ) {
3516 myfp = PerlProc_popen(cmdline, "r");
3520 SV *tmpsv = sv_newmortal();
3521 /* Need to save/restore 'PL_rs' ?? */
3522 s = sv_gets(tmpsv, myfp, 0);
3523 (void)PerlProc_pclose(myfp);
3527 #ifdef HAS_SYS_ERRLIST
3532 /* you don't see this */
3534 #ifdef HAS_SYS_ERRLIST
3542 if (instr(s, errmsg)) {
3549 #define EACCES EPERM
3551 if (instr(s, "cannot make"))
3552 SETERRNO(EEXIST,RMS$_FEX);
3553 else if (instr(s, "existing file"))
3554 SETERRNO(EEXIST,RMS$_FEX);
3555 else if (instr(s, "ile exists"))
3556 SETERRNO(EEXIST,RMS$_FEX);
3557 else if (instr(s, "non-exist"))
3558 SETERRNO(ENOENT,RMS$_FNF);
3559 else if (instr(s, "does not exist"))
3560 SETERRNO(ENOENT,RMS$_FNF);
3561 else if (instr(s, "not empty"))
3562 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3563 else if (instr(s, "cannot access"))
3564 SETERRNO(EACCES,RMS$_PRV);
3566 SETERRNO(EPERM,RMS$_PRV);
3569 else { /* some mkdirs return no failure indication */
3570 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3571 if (PL_op->op_type == OP_RMDIR)
3576 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3601 tmps = SvPV(TOPs, len);
3602 /* Different operating and file systems take differently to
3603 * trailing slashes. According to POSIX 1003.1 1996 Edition
3604 * any number of trailing slashes should be allowed.
3605 * Thusly we snip them away so that even non-conforming
3606 * systems are happy. */
3607 /* We should probably do this "filtering" for all
3608 * the functions that expect (potentially) directory names:
3609 * -d, chdir(), chmod(), chown(), chroot(), fcntl()?,
3610 * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */
3611 if (len > 1 && tmps[len-1] == '/') {
3612 while (tmps[len] == '/' && len > 1)
3614 tmps = savepvn(tmps, len);
3618 TAINT_PROPER("mkdir");
3620 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3622 SETi( dooneliner("mkdir", tmps) );
3623 oldumask = PerlLIO_umask(0);
3624 PerlLIO_umask(oldumask);
3625 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3639 TAINT_PROPER("rmdir");
3641 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3643 XPUSHi( dooneliner("rmdir", tmps) );
3648 /* Directory calls. */
3653 #if defined(Direntry_t) && defined(HAS_READDIR)
3655 char *dirname = POPpx;
3657 register IO *io = GvIOn(gv);
3663 PerlDir_close(IoDIRP(io));
3664 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3670 SETERRNO(EBADF,RMS$_DIR);
3673 DIE(aTHX_ PL_no_dir_func, "opendir");
3680 #if defined(Direntry_t) && defined(HAS_READDIR)
3682 Direntry_t *readdir (DIR *);
3684 register Direntry_t *dp;
3686 register IO *io = GvIOn(gv);
3689 if (!io || !IoDIRP(io))
3692 if (GIMME == G_ARRAY) {
3694 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3696 sv = newSVpvn(dp->d_name, dp->d_namlen);
3698 sv = newSVpv(dp->d_name, 0);
3700 #ifndef INCOMPLETE_TAINTS
3701 if (!(IoFLAGS(io) & IOf_UNTAINT))
3704 XPUSHs(sv_2mortal(sv));
3708 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3711 sv = newSVpvn(dp->d_name, dp->d_namlen);
3713 sv = newSVpv(dp->d_name, 0);
3715 #ifndef INCOMPLETE_TAINTS
3716 if (!(IoFLAGS(io) & IOf_UNTAINT))
3719 XPUSHs(sv_2mortal(sv));
3725 SETERRNO(EBADF,RMS$_ISI);
3726 if (GIMME == G_ARRAY)
3731 DIE(aTHX_ PL_no_dir_func, "readdir");
3738 #if defined(HAS_TELLDIR) || defined(telldir)
3739 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3740 /* XXX netbsd still seemed to.
3741 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3742 --JHI 1999-Feb-02 */
3743 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3744 long telldir (DIR *);
3747 register IO *io = GvIOn(gv);
3749 if (!io || !IoDIRP(io))
3752 PUSHi( PerlDir_tell(IoDIRP(io)) );
3756 SETERRNO(EBADF,RMS$_ISI);
3759 DIE(aTHX_ PL_no_dir_func, "telldir");
3766 #if defined(HAS_SEEKDIR) || defined(seekdir)
3769 register IO *io = GvIOn(gv);
3771 if (!io || !IoDIRP(io))
3774 (void)PerlDir_seek(IoDIRP(io), along);
3779 SETERRNO(EBADF,RMS$_ISI);
3782 DIE(aTHX_ PL_no_dir_func, "seekdir");
3789 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3791 register IO *io = GvIOn(gv);
3793 if (!io || !IoDIRP(io))
3796 (void)PerlDir_rewind(IoDIRP(io));
3800 SETERRNO(EBADF,RMS$_ISI);
3803 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3810 #if defined(Direntry_t) && defined(HAS_READDIR)
3812 register IO *io = GvIOn(gv);
3814 if (!io || !IoDIRP(io))
3817 #ifdef VOID_CLOSEDIR
3818 PerlDir_close(IoDIRP(io));
3820 if (PerlDir_close(IoDIRP(io)) < 0) {
3821 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3830 SETERRNO(EBADF,RMS$_IFI);
3833 DIE(aTHX_ PL_no_dir_func, "closedir");
3837 /* Process control. */
3847 PERL_FLUSHALL_FOR_CHILD;
3853 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3854 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3855 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3860 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3865 PERL_FLUSHALL_FOR_CHILD;
3866 childpid = PerlProc_fork();
3872 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3879 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3884 childpid = wait4pid(-1, &argflags, 0);
3885 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3886 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3887 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3889 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3894 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3900 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3908 childpid = wait4pid(childpid, &argflags, optype);
3909 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3910 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3911 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3913 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3918 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3924 djSP; dMARK; dORIGMARK; dTARGET;
3929 Sigsave_t ihand,qhand; /* place to save signals during system() */
3934 if (SP - MARK == 1) {
3936 char *junk = SvPV(TOPs, n_a);
3938 TAINT_PROPER("system");
3941 PERL_FLUSHALL_FOR_CHILD;
3942 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3943 if (PerlProc_pipe(pp) >= 0)
3945 while ((childpid = vfork()) == -1) {
3946 if (errno != EAGAIN) {
3951 PerlLIO_close(pp[0]);
3952 PerlLIO_close(pp[1]);
3960 PerlLIO_close(pp[1]);
3962 rsignal_save(SIGINT, SIG_IGN, &ihand);
3963 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3966 result = wait4pid(childpid, &status, 0);
3967 } while (result == -1 && errno == EINTR);
3969 (void)rsignal_restore(SIGINT, &ihand);
3970 (void)rsignal_restore(SIGQUIT, &qhand);
3972 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3973 do_execfree(); /* free any memory child malloced on vfork */
3979 while (n < sizeof(int)) {
3980 n1 = PerlLIO_read(pp[0],
3981 (void*)(((char*)&errkid)+n),
3987 PerlLIO_close(pp[0]);
3988 if (n) { /* Error */
3989 if (n != sizeof(int))
3990 DIE(aTHX_ "panic: kid popen errno read");
3991 errno = errkid; /* Propagate errno from kid */
3992 STATUS_CURRENT = -1;
3995 PUSHi(STATUS_CURRENT);
3999 PerlLIO_close(pp[0]);
4000 #if defined(HAS_FCNTL) && defined(F_SETFD)
4001 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
4004 if (PL_op->op_flags & OPf_STACKED) {
4005 SV *really = *++MARK;
4006 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
4008 else if (SP - MARK != 1)
4009 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
4011 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
4014 #else /* ! FORK or VMS or OS/2 */
4017 if (PL_op->op_flags & OPf_STACKED) {
4018 SV *really = *++MARK;
4019 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
4021 else if (SP - MARK != 1)
4022 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
4024 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
4026 if (PL_statusvalue == -1) /* hint that value must be returned as is */
4028 STATUS_NATIVE_SET(value);
4031 PUSHi(result ? value : STATUS_CURRENT);
4032 #endif /* !FORK or VMS */
4038 djSP; dMARK; dORIGMARK; dTARGET;
4042 PERL_FLUSHALL_FOR_CHILD;
4043 if (PL_op->op_flags & OPf_STACKED) {
4044 SV *really = *++MARK;
4045 value = (I32)do_aexec(really, MARK, SP);
4047 else if (SP - MARK != 1)
4049 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
4053 (void ) do_aspawn(Nullsv, MARK, SP);
4057 value = (I32)do_aexec(Nullsv, MARK, SP);
4062 char *junk = SvPV(*SP, n_a);
4064 TAINT_PROPER("exec");
4067 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4070 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
4073 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4078 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
4090 djSP; dMARK; dTARGET;
4093 value = (I32)apply(PL_op->op_type, MARK, SP);
4098 DIE(aTHX_ PL_no_func, "Unsupported function kill");
4106 XPUSHi( getppid() );
4109 DIE(aTHX_ PL_no_func, "getppid");
4125 pgrp = (I32)BSD_GETPGRP(pid);
4127 if (pid != 0 && pid != PerlProc_getpid())
4128 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4134 DIE(aTHX_ PL_no_func, "getpgrp()");
4153 TAINT_PROPER("setpgrp");
4155 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4157 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4158 || (pid != 0 && pid != PerlProc_getpid()))
4160 DIE(aTHX_ "setpgrp can't take arguments");
4162 SETi( setpgrp() >= 0 );
4163 #endif /* USE_BSDPGRP */
4166 DIE(aTHX_ PL_no_func, "setpgrp()");
4175 #ifdef HAS_GETPRIORITY
4178 SETi( getpriority(which, who) );
4181 DIE(aTHX_ PL_no_func, "getpriority()");
4191 #ifdef HAS_SETPRIORITY
4195 TAINT_PROPER("setpriority");
4196 SETi( setpriority(which, who, niceval) >= 0 );
4199 DIE(aTHX_ PL_no_func, "setpriority()");
4209 XPUSHn( time(Null(Time_t*)) );
4211 XPUSHi( time(Null(Time_t*)) );
4216 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4217 to HZ. Probably. For now, assume that if the system
4218 defines HZ, it does so correctly. (Will this break
4220 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4221 it's supported. --AD 9/96.
4237 DIE(aTHX_ "times not implemented");
4242 (void)PerlProc_times(&PL_timesbuf);
4244 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4245 /* struct tms, though same data */
4249 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4250 if (GIMME == G_ARRAY) {
4251 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4252 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4253 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4256 #endif /* HAS_TIMES */
4269 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4270 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4271 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4277 when = (Time_t)SvNVx(POPs);
4279 when = (Time_t)SvIVx(POPs);
4282 if (PL_op->op_type == OP_LOCALTIME)
4283 tmbuf = localtime(&when);
4285 tmbuf = gmtime(&when);
4289 if (GIMME != G_ARRAY) {
4293 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4294 dayname[tmbuf->tm_wday],
4295 monname[tmbuf->tm_mon],
4300 tmbuf->tm_year + 1900);
4301 PUSHs(sv_2mortal(tsv));
4304 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4305 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4306 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4307 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4308 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4309 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4310 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4311 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4312 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4323 anum = alarm((unsigned int)anum);
4330 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4341 (void)time(&lasttime);
4346 PerlProc_sleep((unsigned int)duration);
4349 XPUSHi(when - lasttime);
4353 /* Shared memory. */
4367 return pp_shmwrite();
4372 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4373 djSP; dMARK; dTARGET;
4374 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4383 /* Message passing. */
4397 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4398 djSP; dMARK; dTARGET;
4399 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4410 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4411 djSP; dMARK; dTARGET;
4412 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4425 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4426 djSP; dMARK; dTARGET;
4427 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4434 DIE(aTHX_ "System V IPC is not implemented on this machine");
4440 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4441 djSP; dMARK; dTARGET;
4442 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4450 PUSHp(zero_but_true, ZBTLEN);
4460 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4461 djSP; dMARK; dTARGET;
4462 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4471 /* Get system info. */
4475 #ifdef HAS_GETHOSTBYNAME
4476 return pp_ghostent();
4478 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4484 #ifdef HAS_GETHOSTBYADDR
4485 return pp_ghostent();
4487 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4494 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4495 I32 which = PL_op->op_type;
4496 register char **elem;
4498 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4499 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4500 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4501 struct hostent *PerlSock_gethostent(void);
4503 struct hostent *hent;
4508 if (which == OP_GHBYNAME)
4509 #ifdef HAS_GETHOSTBYNAME
4510 hent = PerlSock_gethostbyname(POPpx);
4512 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4514 else if (which == OP_GHBYADDR) {
4515 #ifdef HAS_GETHOSTBYADDR
4516 int addrtype = POPi;
4519 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4521 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4523 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4527 #ifdef HAS_GETHOSTENT
4528 hent = PerlSock_gethostent();
4530 DIE(aTHX_ PL_no_sock_func, "gethostent");
4533 #ifdef HOST_NOT_FOUND
4535 STATUS_NATIVE_SET(h_errno);
4538 if (GIMME != G_ARRAY) {
4539 PUSHs(sv = sv_newmortal());
4541 if (which == OP_GHBYNAME) {
4543 sv_setpvn(sv, hent->h_addr, hent->h_length);
4546 sv_setpv(sv, (char*)hent->h_name);
4552 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4553 sv_setpv(sv, (char*)hent->h_name);
4554 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4555 for (elem = hent->h_aliases; elem && *elem; elem++) {
4556 sv_catpv(sv, *elem);
4558 sv_catpvn(sv, " ", 1);
4560 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4561 sv_setiv(sv, (IV)hent->h_addrtype);
4562 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4563 len = hent->h_length;
4564 sv_setiv(sv, (IV)len);
4566 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4567 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4568 sv_setpvn(sv, *elem, len);
4571 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4573 sv_setpvn(sv, hent->h_addr, len);
4578 DIE(aTHX_ PL_no_sock_func, "gethostent");
4584 #ifdef HAS_GETNETBYNAME
4585 return pp_gnetent();
4587 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4593 #ifdef HAS_GETNETBYADDR
4594 return pp_gnetent();
4596 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4603 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4604 I32 which = PL_op->op_type;
4605 register char **elem;
4607 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4608 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4609 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4610 struct netent *PerlSock_getnetent(void);
4612 struct netent *nent;
4615 if (which == OP_GNBYNAME)
4616 #ifdef HAS_GETNETBYNAME
4617 nent = PerlSock_getnetbyname(POPpx);
4619 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4621 else if (which == OP_GNBYADDR) {
4622 #ifdef HAS_GETNETBYADDR
4623 int addrtype = POPi;
4624 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4625 nent = PerlSock_getnetbyaddr(addr, addrtype);
4627 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4631 #ifdef HAS_GETNETENT
4632 nent = PerlSock_getnetent();
4634 DIE(aTHX_ PL_no_sock_func, "getnetent");
4638 if (GIMME != G_ARRAY) {
4639 PUSHs(sv = sv_newmortal());
4641 if (which == OP_GNBYNAME)
4642 sv_setiv(sv, (IV)nent->n_net);
4644 sv_setpv(sv, nent->n_name);
4650 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4651 sv_setpv(sv, nent->n_name);
4652 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4653 for (elem = nent->n_aliases; elem && *elem; elem++) {
4654 sv_catpv(sv, *elem);
4656 sv_catpvn(sv, " ", 1);
4658 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4659 sv_setiv(sv, (IV)nent->n_addrtype);
4660 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4661 sv_setiv(sv, (IV)nent->n_net);
4666 DIE(aTHX_ PL_no_sock_func, "getnetent");
4672 #ifdef HAS_GETPROTOBYNAME
4673 return pp_gprotoent();
4675 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4681 #ifdef HAS_GETPROTOBYNUMBER
4682 return pp_gprotoent();
4684 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4691 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4692 I32 which = PL_op->op_type;
4693 register char **elem;
4695 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4696 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4697 struct protoent *PerlSock_getprotobynumber(int);
4698 struct protoent *PerlSock_getprotoent(void);
4700 struct protoent *pent;
4703 if (which == OP_GPBYNAME)
4704 #ifdef HAS_GETPROTOBYNAME
4705 pent = PerlSock_getprotobyname(POPpx);
4707 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4709 else if (which == OP_GPBYNUMBER)
4710 #ifdef HAS_GETPROTOBYNUMBER
4711 pent = PerlSock_getprotobynumber(POPi);
4713 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4716 #ifdef HAS_GETPROTOENT
4717 pent = PerlSock_getprotoent();
4719 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4723 if (GIMME != G_ARRAY) {
4724 PUSHs(sv = sv_newmortal());
4726 if (which == OP_GPBYNAME)
4727 sv_setiv(sv, (IV)pent->p_proto);
4729 sv_setpv(sv, pent->p_name);
4735 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4736 sv_setpv(sv, pent->p_name);
4737 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4738 for (elem = pent->p_aliases; elem && *elem; elem++) {
4739 sv_catpv(sv, *elem);
4741 sv_catpvn(sv, " ", 1);
4743 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4744 sv_setiv(sv, (IV)pent->p_proto);
4749 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4755 #ifdef HAS_GETSERVBYNAME
4756 return pp_gservent();
4758 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4764 #ifdef HAS_GETSERVBYPORT
4765 return pp_gservent();
4767 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4774 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4775 I32 which = PL_op->op_type;
4776 register char **elem;
4778 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4779 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4780 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4781 struct servent *PerlSock_getservent(void);
4783 struct servent *sent;
4786 if (which == OP_GSBYNAME) {
4787 #ifdef HAS_GETSERVBYNAME
4788 char *proto = POPpx;
4791 if (proto && !*proto)
4794 sent = PerlSock_getservbyname(name, proto);
4796 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4799 else if (which == OP_GSBYPORT) {
4800 #ifdef HAS_GETSERVBYPORT
4801 char *proto = POPpx;
4802 unsigned short port = POPu;
4805 port = PerlSock_htons(port);
4807 sent = PerlSock_getservbyport(port, proto);
4809 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4813 #ifdef HAS_GETSERVENT
4814 sent = PerlSock_getservent();
4816 DIE(aTHX_ PL_no_sock_func, "getservent");
4820 if (GIMME != G_ARRAY) {
4821 PUSHs(sv = sv_newmortal());
4823 if (which == OP_GSBYNAME) {
4825 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4827 sv_setiv(sv, (IV)(sent->s_port));
4831 sv_setpv(sv, sent->s_name);
4837 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4838 sv_setpv(sv, sent->s_name);
4839 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4840 for (elem = sent->s_aliases; elem && *elem; elem++) {
4841 sv_catpv(sv, *elem);
4843 sv_catpvn(sv, " ", 1);
4845 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4847 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4849 sv_setiv(sv, (IV)(sent->s_port));
4851 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4852 sv_setpv(sv, sent->s_proto);
4857 DIE(aTHX_ PL_no_sock_func, "getservent");
4864 #ifdef HAS_SETHOSTENT
4865 PerlSock_sethostent(TOPi);
4868 DIE(aTHX_ PL_no_sock_func, "sethostent");
4875 #ifdef HAS_SETNETENT
4876 PerlSock_setnetent(TOPi);
4879 DIE(aTHX_ PL_no_sock_func, "setnetent");
4886 #ifdef HAS_SETPROTOENT
4887 PerlSock_setprotoent(TOPi);
4890 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4897 #ifdef HAS_SETSERVENT
4898 PerlSock_setservent(TOPi);
4901 DIE(aTHX_ PL_no_sock_func, "setservent");
4908 #ifdef HAS_ENDHOSTENT
4909 PerlSock_endhostent();
4913 DIE(aTHX_ PL_no_sock_func, "endhostent");
4920 #ifdef HAS_ENDNETENT
4921 PerlSock_endnetent();
4925 DIE(aTHX_ PL_no_sock_func, "endnetent");
4932 #ifdef HAS_ENDPROTOENT
4933 PerlSock_endprotoent();
4937 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4944 #ifdef HAS_ENDSERVENT
4945 PerlSock_endservent();
4949 DIE(aTHX_ PL_no_sock_func, "endservent");
4958 DIE(aTHX_ PL_no_func, "getpwnam");
4967 DIE(aTHX_ PL_no_func, "getpwuid");
4975 I32 which = PL_op->op_type;
4978 struct passwd *pwent = NULL;
4980 * We currently support only the SysV getsp* shadow password interface.
4981 * The interface is declared in <shadow.h> and often one needs to link
4982 * with -lsecurity or some such.
4983 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
4986 * AIX getpwnam() is clever enough to return the encrypted password
4987 * only if the caller (euid?) is root.
4989 * There are at least two other shadow password APIs. Many platforms
4990 * seem to contain more than one interface for accessing the shadow
4991 * password databases, possibly for compatibility reasons.
4992 * The getsp*() is by far he simplest one, the other two interfaces
4993 * are much more complicated, but also very similar to each other.
4998 * struct pr_passwd *getprpw*();
4999 * The password is in
5000 * char getprpw*(...).ufld.fd_encrypt[]
5001 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
5006 * struct es_passwd *getespw*();
5007 * The password is in
5008 * char *(getespw*(...).ufld.fd_encrypt)
5009 * Mention HAS_GETESPWNAM here so that Configure probes for it.
5011 * Mention I_PROT here so that Configure probes for it.
5013 * In HP-UX for getprpw*() the manual page claims that one should include
5014 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
5015 * if one includes <shadow.h> as that includes <hpsecurity.h>,
5016 * and pp_sys.c already includes <shadow.h> if there is such.
5018 * Note that <sys/security.h> is already probed for, but currently
5019 * it is only included in special cases.
5021 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
5022 * be preferred interface, even though also the getprpw*() interface
5023 * is available) one needs to link with -lsecurity -ldb -laud -lm.
5024 * One also needs to call set_auth_parameters() in main() before
5025 * doing anything else, whether one is using getespw*() or getprpw*().
5027 * Note that accessing the shadow databases can be magnitudes
5028 * slower than accessing the standard databases.
5035 pwent = getpwnam(POPpx);
5038 pwent = getpwuid((Uid_t)POPi);
5041 # ifdef HAS_GETPWENT
5044 DIE(aTHX_ PL_no_func, "getpwent");
5050 if (GIMME != G_ARRAY) {
5051 PUSHs(sv = sv_newmortal());
5053 if (which == OP_GPWNAM)
5054 # if Uid_t_sign <= 0
5055 sv_setiv(sv, (IV)pwent->pw_uid);
5057 sv_setuv(sv, (UV)pwent->pw_uid);
5060 sv_setpv(sv, pwent->pw_name);
5066 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5067 sv_setpv(sv, pwent->pw_name);
5069 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5071 /* If we have getspnam(), we try to dig up the shadow
5072 * password. If we are underprivileged, the shadow
5073 * interface will set the errno to EACCES or similar,
5074 * and return a null pointer. If this happens, we will
5075 * use the dummy password (usually "*" or "x") from the
5076 * standard password database.
5078 * In theory we could skip the shadow call completely
5079 * if euid != 0 but in practice we cannot know which
5080 * security measures are guarding the shadow databases
5081 * on a random platform.
5083 * Resist the urge to use additional shadow interfaces.
5084 * Divert the urge to writing an extension instead.
5087 # ifdef HAS_GETSPNAM
5089 struct spwd *spwent;
5090 int saverrno; /* Save and restore errno so that
5091 * underprivileged attempts seem
5092 * to have never made the unsccessful
5093 * attempt to retrieve the shadow password. */
5096 spwent = getspnam(pwent->pw_name);
5098 if (spwent && spwent->sp_pwdp)
5099 sv_setpv(sv, spwent->sp_pwdp);
5103 if (!SvPOK(sv)) /* Use the standard password, then. */
5104 sv_setpv(sv, pwent->pw_passwd);
5107 # ifndef INCOMPLETE_TAINTS
5108 /* passwd is tainted because user himself can diddle with it.
5109 * admittedly not much and in a very limited way, but nevertheless. */
5113 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5114 # if Uid_t_sign <= 0
5115 sv_setiv(sv, (IV)pwent->pw_uid);
5117 sv_setuv(sv, (UV)pwent->pw_uid);
5120 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5121 # if Uid_t_sign <= 0
5122 sv_setiv(sv, (IV)pwent->pw_gid);
5124 sv_setuv(sv, (UV)pwent->pw_gid);
5126 /* pw_change, pw_quota, and pw_age are mutually exclusive--
5127 * because of the poor interface of the Perl getpw*(),
5128 * not because there's some standard/convention saying so.
5129 * A better interface would have been to return a hash,
5130 * but we are accursed by our history, alas. --jhi. */
5131 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5133 sv_setiv(sv, (IV)pwent->pw_change);
5136 sv_setiv(sv, (IV)pwent->pw_quota);
5139 sv_setpv(sv, pwent->pw_age);
5144 /* pw_class and pw_comment are mutually exclusive--.
5145 * see the above note for pw_change, pw_quota, and pw_age. */
5146 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5148 sv_setpv(sv, pwent->pw_class);
5151 sv_setpv(sv, pwent->pw_comment);
5155 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5157 sv_setpv(sv, pwent->pw_gecos);
5159 # ifndef INCOMPLETE_TAINTS
5160 /* pw_gecos is tainted because user himself can diddle with it. */
5164 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5165 sv_setpv(sv, pwent->pw_dir);
5167 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5168 sv_setpv(sv, pwent->pw_shell);
5169 # ifndef INCOMPLETE_TAINTS
5170 /* pw_shell is tainted because user himself can diddle with it. */
5175 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5176 sv_setiv(sv, (IV)pwent->pw_expire);
5181 DIE(aTHX_ PL_no_func, "getpwent");
5188 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5192 DIE(aTHX_ PL_no_func, "setpwent");
5199 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5203 DIE(aTHX_ PL_no_func, "endpwent");
5212 DIE(aTHX_ PL_no_func, "getgrnam");
5221 DIE(aTHX_ PL_no_func, "getgrgid");
5229 I32 which = PL_op->op_type;
5230 register char **elem;
5232 struct group *grent;
5235 if (which == OP_GGRNAM)
5236 grent = (struct group *)getgrnam(POPpx);
5237 else if (which == OP_GGRGID)
5238 grent = (struct group *)getgrgid(POPi);
5241 grent = (struct group *)getgrent();
5243 DIE(aTHX_ PL_no_func, "getgrent");
5247 if (GIMME != G_ARRAY) {
5248 PUSHs(sv = sv_newmortal());
5250 if (which == OP_GGRNAM)
5251 sv_setiv(sv, (IV)grent->gr_gid);
5253 sv_setpv(sv, grent->gr_name);
5259 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5260 sv_setpv(sv, grent->gr_name);
5262 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5264 sv_setpv(sv, grent->gr_passwd);
5267 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5268 sv_setiv(sv, (IV)grent->gr_gid);
5270 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5271 for (elem = grent->gr_mem; elem && *elem; elem++) {
5272 sv_catpv(sv, *elem);
5274 sv_catpvn(sv, " ", 1);
5280 DIE(aTHX_ PL_no_func, "getgrent");
5287 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5291 DIE(aTHX_ PL_no_func, "setgrent");
5298 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5302 DIE(aTHX_ PL_no_func, "endgrent");
5312 if (!(tmps = PerlProc_getlogin()))
5314 PUSHp(tmps, strlen(tmps));
5317 DIE(aTHX_ PL_no_func, "getlogin");
5321 /* Miscellaneous. */
5326 djSP; dMARK; dORIGMARK; dTARGET;
5327 register I32 items = SP - MARK;
5328 unsigned long a[20];
5334 while (++MARK <= SP) {
5335 if (SvTAINTED(*MARK)) {
5341 TAINT_PROPER("syscall");
5344 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5345 * or where sizeof(long) != sizeof(char*). But such machines will
5346 * not likely have syscall implemented either, so who cares?
5348 while (++MARK <= SP) {
5349 if (SvNIOK(*MARK) || !i)
5350 a[i++] = SvIV(*MARK);
5351 else if (*MARK == &PL_sv_undef)
5354 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5360 DIE(aTHX_ "Too many args to syscall");
5362 DIE(aTHX_ "Too few args to syscall");
5364 retval = syscall(a[0]);
5367 retval = syscall(a[0],a[1]);
5370 retval = syscall(a[0],a[1],a[2]);
5373 retval = syscall(a[0],a[1],a[2],a[3]);
5376 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5379 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5382 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5385 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5389 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5392 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5395 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5399 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5403 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5407 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5408 a[10],a[11],a[12],a[13]);
5410 #endif /* atarist */
5416 DIE(aTHX_ PL_no_func, "syscall");
5420 #ifdef FCNTL_EMULATE_FLOCK
5422 /* XXX Emulate flock() with fcntl().
5423 What's really needed is a good file locking module.
5427 fcntl_emulate_flock(int fd, int operation)
5431 switch (operation & ~LOCK_NB) {
5433 flock.l_type = F_RDLCK;
5436 flock.l_type = F_WRLCK;
5439 flock.l_type = F_UNLCK;
5445 flock.l_whence = SEEK_SET;
5446 flock.l_start = flock.l_len = (Off_t)0;
5448 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5451 #endif /* FCNTL_EMULATE_FLOCK */
5453 #ifdef LOCKF_EMULATE_FLOCK
5455 /* XXX Emulate flock() with lockf(). This is just to increase
5456 portability of scripts. The calls are not completely
5457 interchangeable. What's really needed is a good file
5461 /* The lockf() constants might have been defined in <unistd.h>.
5462 Unfortunately, <unistd.h> causes troubles on some mixed
5463 (BSD/POSIX) systems, such as SunOS 4.1.3.
5465 Further, the lockf() constants aren't POSIX, so they might not be
5466 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5467 just stick in the SVID values and be done with it. Sigh.
5471 # define F_ULOCK 0 /* Unlock a previously locked region */
5474 # define F_LOCK 1 /* Lock a region for exclusive use */
5477 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5480 # define F_TEST 3 /* Test a region for other processes locks */
5484 lockf_emulate_flock(int fd, int operation)
5490 /* flock locks entire file so for lockf we need to do the same */
5492 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5493 if (pos > 0) /* is seekable and needs to be repositioned */
5494 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5495 pos = -1; /* seek failed, so don't seek back afterwards */
5498 switch (operation) {
5500 /* LOCK_SH - get a shared lock */
5502 /* LOCK_EX - get an exclusive lock */
5504 i = lockf (fd, F_LOCK, 0);
5507 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5508 case LOCK_SH|LOCK_NB:
5509 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5510 case LOCK_EX|LOCK_NB:
5511 i = lockf (fd, F_TLOCK, 0);
5513 if ((errno == EAGAIN) || (errno == EACCES))
5514 errno = EWOULDBLOCK;
5517 /* LOCK_UN - unlock (non-blocking is a no-op) */
5519 case LOCK_UN|LOCK_NB:
5520 i = lockf (fd, F_ULOCK, 0);
5523 /* Default - can't decipher operation */
5530 if (pos > 0) /* need to restore position of the handle */
5531 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5536 #endif /* LOCKF_EMULATE_FLOCK */