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);
507 DIE(aTHX_ PL_no_usym, "filehandle");
509 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
511 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
512 /* Method's args are same as ours ... */
513 /* ... except handle is replaced by the object */
514 *MARK-- = SvTIED_obj((SV*)gv, mg);
518 call_method("OPEN", G_SCALAR);
531 tmps = SvPV(sv, len);
532 ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, MARK+1, (SP-MARK));
535 PUSHi( (I32)PL_forkprocess );
536 else if (PL_forkprocess == 0) /* we are a new child */
554 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
556 XPUSHs(SvTIED_obj((SV*)gv, mg));
559 call_method("CLOSE", G_SCALAR);
565 PUSHs(boolSV(do_close(gv, TRUE)));
585 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
586 DIE(aTHX_ PL_no_usym, "filehandle");
591 do_close(rgv, FALSE);
593 do_close(wgv, FALSE);
595 if (PerlProc_pipe(fd) < 0)
598 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
599 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
600 IoIFP(wstio) = IoOFP(wstio);
601 IoTYPE(rstio) = IoTYPE_RDONLY;
602 IoTYPE(wstio) = IoTYPE_WRONLY;
604 if (!IoIFP(rstio) || !IoOFP(wstio)) {
605 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
606 else PerlLIO_close(fd[0]);
607 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
608 else PerlLIO_close(fd[1]);
611 #if defined(HAS_FCNTL) && defined(F_SETFD)
612 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
613 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
620 DIE(aTHX_ PL_no_func, "pipe");
636 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
638 XPUSHs(SvTIED_obj((SV*)gv, mg));
641 call_method("FILENO", G_SCALAR);
647 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io))) {
648 /* Can't do this because people seem to do things like
649 defined(fileno($foo)) to check whether $foo is a valid fh.
650 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
651 report_evil_fh(gv, io, PL_op->op_type);
656 PUSHi(PerlIO_fileno(fp));
667 anum = PerlLIO_umask(0);
668 (void)PerlLIO_umask(anum);
671 anum = PerlLIO_umask(POPi);
672 TAINT_PROPER("umask");
675 /* Only DIE if trying to restrict permissions on `user' (self).
676 * Otherwise it's harmless and more useful to just return undef
677 * since 'group' and 'other' concepts probably don't exist here. */
678 if (MAXARG >= 1 && (POPi & 0700))
679 DIE(aTHX_ "umask not implemented");
680 XPUSHs(&PL_sv_undef);
704 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
706 XPUSHs(SvTIED_obj((SV*)gv, mg));
711 call_method("BINMODE", G_SCALAR);
718 if (!(io = GvIO(gv)) || !(fp = IoIFP(io))) {
719 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
720 report_evil_fh(gv, io, PL_op->op_type);
725 names = SvPV(discp,len);
728 if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp),
729 (discp) ? SvPV_nolen(discp) : Nullch))
743 I32 markoff = MARK - PL_stack_base;
750 switch(SvTYPE(varsv)) {
752 methname = "TIEHASH";
755 methname = "TIEARRAY";
758 #ifdef GV_SHARED_CHECK
759 if (GvSHARED((GV*)varsv)) {
760 Perl_croak(aTHX_ "Attempt to tie shared GV");
763 methname = "TIEHANDLE";
767 methname = "TIESCALAR";
772 if (sv_isobject(*MARK)) {
774 PUSHSTACKi(PERLSI_MAGIC);
780 call_method(methname, G_SCALAR);
783 /* Not clear why we don't call call_method here too.
784 * perhaps to get different error message ?
786 stash = gv_stashsv(*MARK, FALSE);
787 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
788 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
789 methname, SvPV(*MARK,n_a));
792 PUSHSTACKi(PERLSI_MAGIC);
798 call_sv((SV*)GvCV(gv), G_SCALAR);
804 if (sv_isobject(sv)) {
805 sv_unmagic(varsv, how);
806 /* Croak if a self-tie on an aggregate is attempted. */
807 if (varsv == SvRV(sv) &&
808 (SvTYPE(sv) == SVt_PVAV ||
809 SvTYPE(sv) == SVt_PVHV))
811 "Self-ties of arrays and hashes are not supported");
812 sv_magic(varsv, sv, how, Nullch, 0);
815 SP = PL_stack_base + markoff;
824 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
827 if ((mg = SvTIED_mg(sv, how))) {
828 SV *obj = SvRV(mg->mg_obj);
831 if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
832 isGV(gv) && (cv = GvCV(gv))) {
834 XPUSHs(SvTIED_obj((SV*)gv, mg));
835 XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
838 call_sv((SV *)cv, G_VOID);
842 else if (ckWARN(WARN_UNTIE)) {
843 if (mg && SvREFCNT(obj) > 1)
844 Perl_warner(aTHX_ WARN_UNTIE,
845 "untie attempted while %"UVuf" inner references still exist",
846 (UV)SvREFCNT(obj) - 1 ) ;
857 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
860 if ((mg = SvTIED_mg(sv, how))) {
861 SV *osv = SvTIED_obj(sv, mg);
862 if (osv == mg->mg_obj)
863 osv = sv_mortalcopy(osv);
881 sv = sv_mortalcopy(&PL_sv_no);
882 sv_setpv(sv, "AnyDBM_File");
883 stash = gv_stashsv(sv, FALSE);
884 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
886 require_pv("AnyDBM_File.pm");
888 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
889 DIE(aTHX_ "No dbm on this machine");
899 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
901 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
904 call_sv((SV*)GvCV(gv), G_SCALAR);
907 if (!sv_isobject(TOPs)) {
912 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
915 call_sv((SV*)GvCV(gv), G_SCALAR);
919 if (sv_isobject(TOPs)) {
920 sv_unmagic((SV *) hv, 'P');
921 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
943 struct timeval timebuf;
944 struct timeval *tbuf = &timebuf;
948 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
953 # if BYTEORDER & 0xf0000
954 # define ORDERBYTE (0x88888888 - BYTEORDER)
956 # define ORDERBYTE (0x4444 - BYTEORDER)
962 for (i = 1; i <= 3; i++) {
970 /* little endians can use vecs directly */
971 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
972 # if SELECT_MIN_BITS > 1
973 /* If SELECT_MIN_BITS is greater than one we most probably will want
974 * to align the sizes with SELECT_MIN_BITS/8 because for example
975 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
976 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
977 * on (sets/tests/clears bits) is 32 bits. */
978 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
980 growsize = sizeof(fd_set);
989 masksize = NFDBITS / NBBY;
991 masksize = sizeof(long); /* documented int, everyone seems to use long */
993 growsize = maxlen + (masksize - (maxlen % masksize));
994 Zero(&fd_sets[0], 4, char*);
1002 timebuf.tv_sec = (long)value;
1003 value -= (NV)timebuf.tv_sec;
1004 timebuf.tv_usec = (long)(value * 1000000.0);
1007 tbuf = Null(struct timeval*);
1009 for (i = 1; i <= 3; i++) {
1015 else if (!SvPOK(sv))
1016 SvPV_force(sv,n_a); /* force string conversion */
1019 Sv_Grow(sv, growsize);
1023 while (++j <= growsize) {
1027 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1029 New(403, fd_sets[i], growsize, char);
1030 for (offset = 0; offset < growsize; offset += masksize) {
1031 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1032 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1035 fd_sets[i] = SvPVX(sv);
1039 nfound = PerlSock_select(
1041 (Select_fd_set_t) fd_sets[1],
1042 (Select_fd_set_t) fd_sets[2],
1043 (Select_fd_set_t) fd_sets[3],
1045 for (i = 1; i <= 3; i++) {
1048 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1050 for (offset = 0; offset < growsize; offset += masksize) {
1051 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1052 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1054 Safefree(fd_sets[i]);
1061 if (GIMME == G_ARRAY && tbuf) {
1062 value = (NV)(timebuf.tv_sec) +
1063 (NV)(timebuf.tv_usec) / 1000000.0;
1064 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1065 sv_setnv(sv, value);
1069 DIE(aTHX_ "select not implemented");
1074 Perl_setdefout(pTHX_ GV *gv)
1077 (void)SvREFCNT_inc(gv);
1079 SvREFCNT_dec(PL_defoutgv);
1086 GV *newdefout, *egv;
1089 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1091 egv = GvEGV(PL_defoutgv);
1096 XPUSHs(&PL_sv_undef);
1098 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1099 if (gvp && *gvp == egv) {
1100 gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
1104 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1109 if (!GvIO(newdefout))
1110 gv_IOadd(newdefout);
1111 setdefout(newdefout);
1128 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1129 I32 gimme = GIMME_V;
1131 XPUSHs(SvTIED_obj((SV*)gv, mg));
1134 call_method("GETC", gimme);
1137 if (gimme == G_SCALAR)
1138 SvSetMagicSV_nosteal(TARG, TOPs);
1141 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1144 sv_setpv(TARG, " ");
1145 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1146 if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) {
1147 /* Find out how many bytes the char needs */
1148 Size_t len = UTF8SKIP(SvPVX(TARG));
1151 len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1);
1152 SvCUR_set(TARG,1+len);
1162 return pp_sysread();
1166 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1168 register PERL_CONTEXT *cx;
1169 I32 gimme = GIMME_V;
1170 AV* padlist = CvPADLIST(cv);
1171 SV** svp = AvARRAY(padlist);
1177 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1179 SAVEVPTR(PL_curpad);
1180 PL_curpad = AvARRAY((AV*)svp[1]);
1182 setdefout(gv); /* locally select filehandle so $% et al work */
1215 SV *tmpsv = sv_newmortal();
1216 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1217 name = SvPV_nolen(tmpsv);
1220 DIE(aTHX_ "Undefined format \"%s\" called", name);
1221 DIE(aTHX_ "Not a format reference");
1224 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1226 IoFLAGS(io) &= ~IOf_DIDTOP;
1227 return doform(cv,gv,PL_op->op_next);
1233 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1234 register IO *io = GvIOp(gv);
1235 PerlIO *ofp = IoOFP(io);
1239 register PERL_CONTEXT *cx;
1241 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1242 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1245 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1246 PL_formtarget != PL_toptarget)
1250 if (!IoTOP_GV(io)) {
1254 if (!IoTOP_NAME(io)) {
1255 if (!IoFMT_NAME(io))
1256 IoFMT_NAME(io) = savepv(GvNAME(gv));
1257 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1258 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1259 if ((topgv && GvFORM(topgv)) ||
1260 !gv_fetchpv("top",FALSE,SVt_PVFM))
1261 IoTOP_NAME(io) = savepv(SvPVX(topname));
1263 IoTOP_NAME(io) = savepv("top");
1265 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1266 if (!topgv || !GvFORM(topgv)) {
1267 IoLINES_LEFT(io) = 100000000;
1270 IoTOP_GV(io) = topgv;
1272 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1273 I32 lines = IoLINES_LEFT(io);
1274 char *s = SvPVX(PL_formtarget);
1275 if (lines <= 0) /* Yow, header didn't even fit!!! */
1277 while (lines-- > 0) {
1278 s = strchr(s, '\n');
1284 STRLEN save = SvCUR(PL_formtarget);
1285 SvCUR_set(PL_formtarget, s - SvPVX(PL_formtarget));
1286 do_print(PL_formtarget, ofp);
1287 SvCUR_set(PL_formtarget, save);
1288 sv_chop(PL_formtarget, s);
1289 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1292 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1293 do_print(PL_formfeed, ofp);
1294 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1296 PL_formtarget = PL_toptarget;
1297 IoFLAGS(io) |= IOf_DIDTOP;
1300 DIE(aTHX_ "bad top format reference");
1305 SV *sv = sv_newmortal();
1306 gv_efullname4(sv, fgv, Nullch, FALSE);
1307 name = SvPV_nolen(sv);
1310 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1313 DIE(aTHX_ "Undefined top format called");
1317 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1318 return doform(cv,gv,PL_op);
1322 POPBLOCK(cx,PL_curpm);
1328 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1330 /* integrate with report_evil_fh()? */
1333 SV* sv = sv_newmortal();
1334 gv_efullname4(sv, gv, Nullch, FALSE);
1335 name = SvPV_nolen(sv);
1338 Perl_warner(aTHX_ WARN_IO,
1339 "Filehandle %s opened only for input", name);
1341 Perl_warner(aTHX_ WARN_IO,
1342 "Filehandle opened only for input");
1344 else if (ckWARN(WARN_CLOSED))
1345 report_evil_fh(gv, io, PL_op->op_type);
1350 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1351 if (ckWARN(WARN_IO))
1352 Perl_warner(aTHX_ WARN_IO, "page overflow");
1354 if (!do_print(PL_formtarget, fp))
1357 FmLINES(PL_formtarget) = 0;
1358 SvCUR_set(PL_formtarget, 0);
1359 *SvEND(PL_formtarget) = '\0';
1360 if (IoFLAGS(io) & IOf_FLUSH)
1361 (void)PerlIO_flush(fp);
1366 PL_formtarget = PL_bodytarget;
1368 return pop_return();
1373 dSP; dMARK; dORIGMARK;
1380 if (PL_op->op_flags & OPf_STACKED)
1385 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1386 if (MARK == ORIGMARK) {
1389 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1393 *MARK = SvTIED_obj((SV*)gv, mg);
1396 call_method("PRINTF", G_SCALAR);
1399 MARK = ORIGMARK + 1;
1406 if (!(io = GvIO(gv))) {
1407 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1408 report_evil_fh(gv, io, PL_op->op_type);
1409 SETERRNO(EBADF,RMS$_IFI);
1412 else if (!(fp = IoOFP(io))) {
1413 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1414 /* integrate with report_evil_fh()? */
1418 gv_efullname4(sv, gv, Nullch, FALSE);
1419 name = SvPV_nolen(sv);
1422 Perl_warner(aTHX_ WARN_IO,
1423 "Filehandle %s opened only for input", name);
1425 Perl_warner(aTHX_ WARN_IO,
1426 "Filehandle opened only for input");
1428 else if (ckWARN(WARN_CLOSED))
1429 report_evil_fh(gv, io, PL_op->op_type);
1431 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1435 do_sprintf(sv, SP - MARK, MARK + 1);
1436 if (!do_print(sv, fp))
1439 if (IoFLAGS(io) & IOf_FLUSH)
1440 if (PerlIO_flush(fp) == EOF)
1451 PUSHs(&PL_sv_undef);
1472 /* Need TIEHANDLE method ? */
1474 tmps = SvPV(sv, len);
1475 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1476 IoLINES(GvIOp(gv)) = 0;
1480 PUSHs(&PL_sv_undef);
1487 dSP; dMARK; dORIGMARK; dTARGET;
1494 Sock_size_t bufsize;
1503 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1504 (mg = SvTIED_mg((SV*)gv, 'q')))
1509 *MARK = SvTIED_obj((SV*)gv, mg);
1511 call_method("READ", G_SCALAR);
1524 sv_setpvn(bufsv, "", 0);
1525 length = SvIVx(*++MARK);
1528 offset = SvIVx(*++MARK);
1532 if (!io || !IoIFP(io))
1534 if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTE) {
1535 buffer = SvPVutf8_force(bufsv, blen);
1536 /* UTF8 may not have been set if they are all low bytes */
1540 buffer = SvPV_force(bufsv, blen);
1543 DIE(aTHX_ "Negative length");
1547 if (PL_op->op_type == OP_RECV) {
1548 char namebuf[MAXPATHLEN];
1549 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1550 bufsize = sizeof (struct sockaddr_in);
1552 bufsize = sizeof namebuf;
1554 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1558 buffer = SvGROW(bufsv, length+1);
1559 /* 'offset' means 'flags' here */
1560 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1561 (struct sockaddr *)namebuf, &bufsize);
1565 /* Bogus return without padding */
1566 bufsize = sizeof (struct sockaddr_in);
1568 SvCUR_set(bufsv, count);
1569 *SvEND(bufsv) = '\0';
1570 (void)SvPOK_only(bufsv);
1574 /* This should not be marked tainted if the fp is marked clean */
1575 if (!(IoFLAGS(io) & IOf_UNTAINT))
1576 SvTAINTED_on(bufsv);
1578 sv_setpvn(TARG, namebuf, bufsize);
1583 if (PL_op->op_type == OP_RECV)
1584 DIE(aTHX_ PL_no_sock_func, "recv");
1586 if (DO_UTF8(bufsv)) {
1587 /* offset adjust in characters not bytes */
1588 blen = sv_len_utf8(bufsv);
1592 DIE(aTHX_ "Offset outside string");
1595 if (DO_UTF8(bufsv)) {
1596 /* convert offset-as-chars to offset-as-bytes */
1597 offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer;
1600 bufsize = SvCUR(bufsv);
1601 buffer = SvGROW(bufsv, length+offset+1);
1602 if (offset > bufsize) { /* Zero any newly allocated space */
1603 Zero(buffer+bufsize, offset-bufsize, char);
1605 buffer = buffer + offset;
1607 if (PL_op->op_type == OP_SYSREAD) {
1608 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1609 if (IoTYPE(io) == IoTYPE_SOCKET) {
1610 count = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1616 count = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1621 #ifdef HAS_SOCKET__bad_code_maybe
1622 if (IoTYPE(io) == IoTYPE_SOCKET) {
1623 char namebuf[MAXPATHLEN];
1624 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1625 bufsize = sizeof (struct sockaddr_in);
1627 bufsize = sizeof namebuf;
1629 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0,
1630 (struct sockaddr *)namebuf, &bufsize);
1635 count = PerlIO_read(IoIFP(io), buffer, length);
1636 /* PerlIO_read() - like fread() returns 0 on both error and EOF */
1637 if (count == 0 && PerlIO_error(IoIFP(io)))
1641 if ((IoTYPE(io) == IoTYPE_WRONLY) && ckWARN(WARN_IO))
1643 /* integrate with report_evil_fh()? */
1646 SV* sv = sv_newmortal();
1647 gv_efullname4(sv, gv, Nullch, FALSE);
1648 name = SvPV_nolen(sv);
1651 Perl_warner(aTHX_ WARN_IO,
1652 "Filehandle %s opened only for output", name);
1654 Perl_warner(aTHX_ WARN_IO,
1655 "Filehandle opened only for output");
1659 SvCUR_set(bufsv, count+(buffer - SvPVX(bufsv)));
1660 *SvEND(bufsv) = '\0';
1661 (void)SvPOK_only(bufsv);
1662 if (fp_utf8 && !IN_BYTE) {
1663 /* Look at utf8 we got back and count the characters */
1664 char *bend = buffer + count;
1665 while (buffer < bend) {
1666 STRLEN skip = UTF8SKIP(buffer);
1667 if (buffer+skip > bend) {
1668 /* partial character - try for rest of it */
1669 length = skip - (bend-buffer);
1670 offset = bend - SvPVX(bufsv);
1678 /* If we have not 'got' the number of _characters_ we 'wanted' get some more
1679 provided amount read (count) was what was requested (length)
1681 if (got < wanted && count == length) {
1682 length = (wanted-got);
1683 offset = bend - SvPVX(bufsv);
1686 /* return value is character count */
1691 /* This should not be marked tainted if the fp is marked clean */
1692 if (!(IoFLAGS(io) & IOf_UNTAINT))
1693 SvTAINTED_on(bufsv);
1706 int items = (SP - PL_stack_base) - TOPMARK;
1710 sv = sv_2mortal(newSViv(sv_len(*SP)));
1719 dSP; dMARK; dORIGMARK; dTARGET;
1730 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1734 *MARK = SvTIED_obj((SV*)gv, mg);
1736 call_method("WRITE", G_SCALAR);
1747 #if Size_t_size > IVSIZE
1748 length = (Size_t)SvNVx(*++MARK);
1750 length = (Size_t)SvIVx(*++MARK);
1752 if ((SSize_t)length < 0)
1753 DIE(aTHX_ "Negative length");
1756 if (!io || !IoIFP(io)) {
1758 if (ckWARN(WARN_CLOSED))
1759 report_evil_fh(gv, io, PL_op->op_type);
1763 if (PerlIO_isutf8(IoIFP(io))) {
1764 buffer = SvPVutf8(bufsv, blen);
1768 sv_utf8_downgrade(bufsv, FALSE);
1769 buffer = SvPV(bufsv, blen);
1772 if (PL_op->op_type == OP_SYSWRITE) {
1774 if (DO_UTF8(bufsv)) {
1775 /* length and offset are in chars */
1776 blen = sv_len_utf8(bufsv);
1779 offset = SvIVx(*++MARK);
1782 DIE(aTHX_ "Offset outside string");
1784 } else if (offset >= blen && blen > 0)
1785 DIE(aTHX_ "Offset outside string");
1788 if (length > blen - offset)
1789 length = blen - offset;
1790 if (DO_UTF8(bufsv)) {
1791 buffer = (char*)utf8_hop((U8 *)buffer, offset);
1792 length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer;
1795 buffer = buffer+offset;
1797 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1798 if (IoTYPE(io) == IoTYPE_SOCKET) {
1799 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1805 /* See the note at doio.c:do_print about filesize limits. --jhi */
1806 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1811 else if (SP > MARK) {
1814 sockbuf = SvPVx(*++MARK, mlen);
1815 /* length is really flags */
1816 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1817 length, (struct sockaddr *)sockbuf, mlen);
1820 /* length is really flags */
1821 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1824 DIE(aTHX_ PL_no_sock_func, "send");
1829 #if Size_t_size > IVSIZE
1843 return pp_sysread();
1853 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1855 gv = PL_last_in_gv = PL_argvgv;
1857 if (io && !IoIFP(io)) {
1858 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1860 IoFLAGS(io) &= ~IOf_START;
1861 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1862 sv_setpvn(GvSV(gv), "-", 1);
1863 SvSETMAGIC(GvSV(gv));
1865 else if (!nextargv(gv))
1870 gv = PL_last_in_gv; /* eof */
1873 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1875 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1877 XPUSHs(SvTIED_obj((SV*)gv, mg));
1880 call_method("EOF", G_SCALAR);
1886 PUSHs(boolSV(!gv || do_eof(gv)));
1899 gv = PL_last_in_gv = (GV*)POPs;
1901 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1903 XPUSHs(SvTIED_obj((SV*)gv, mg));
1906 call_method("TELL", G_SCALAR);
1912 #if LSEEKSIZE > IVSIZE
1913 PUSHn( do_tell(gv) );
1915 PUSHi( do_tell(gv) );
1922 return pp_sysseek();
1930 #if LSEEKSIZE > IVSIZE
1931 Off_t offset = (Off_t)SvNVx(POPs);
1933 Off_t offset = (Off_t)SvIVx(POPs);
1937 gv = PL_last_in_gv = (GV*)POPs;
1939 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1941 XPUSHs(SvTIED_obj((SV*)gv, mg));
1942 #if LSEEKSIZE > IVSIZE
1943 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1945 XPUSHs(sv_2mortal(newSViv(offset)));
1947 XPUSHs(sv_2mortal(newSViv(whence)));
1950 call_method("SEEK", G_SCALAR);
1956 if (PL_op->op_type == OP_SEEK)
1957 PUSHs(boolSV(do_seek(gv, offset, whence)));
1959 Off_t sought = do_sysseek(gv, offset, whence);
1961 PUSHs(&PL_sv_undef);
1964 #if LSEEKSIZE > IVSIZE
1969 : newSVpvn(zero_but_true, ZBTLEN);
1970 PUSHs(sv_2mortal(sv));
1979 /* There seems to be no consensus on the length type of truncate()
1980 * and ftruncate(), both off_t and size_t have supporters. In
1981 * general one would think that when using large files, off_t is
1982 * at least as wide as size_t, so using an off_t should be okay. */
1983 /* XXX Configure probe for the length type of *truncate() needed XXX */
1989 #if Size_t_size > IVSIZE
1994 /* Checking for length < 0 is problematic as the type might or
1995 * might not be signed: if it is not, clever compilers will moan. */
1996 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1998 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1999 if (PL_op->op_flags & OPf_SPECIAL) {
2000 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
2002 TAINT_PROPER("truncate");
2003 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
2006 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
2008 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
2010 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
2020 if (SvTYPE(sv) == SVt_PVGV) {
2021 tmpgv = (GV*)sv; /* *main::FRED for example */
2024 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2025 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
2029 name = SvPV(sv, n_a);
2030 TAINT_PROPER("truncate");
2032 if (truncate(name, len) < 0)
2037 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
2040 if (my_chsize(tmpfd, len) < 0)
2042 PerlLIO_close(tmpfd);
2051 SETERRNO(EBADF,RMS$_IFI);
2054 DIE(aTHX_ "truncate not implemented");
2067 unsigned int func = U_I(POPn);
2068 int optype = PL_op->op_type;
2072 IO *io = gv ? GvIOn(gv) : 0;
2074 if (!io || !argsv || !IoIFP(io)) {
2075 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2076 report_evil_fh(gv, io, PL_op->op_type);
2077 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
2081 if (SvPOK(argsv) || !SvNIOK(argsv)) {
2084 s = SvPV_force(argsv, len);
2085 need = IOCPARM_LEN(func);
2087 s = Sv_Grow(argsv, need + 1);
2088 SvCUR_set(argsv, need);
2091 s[SvCUR(argsv)] = 17; /* a little sanity check here */
2094 retval = SvIV(argsv);
2095 s = INT2PTR(char*,retval); /* ouch */
2098 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
2100 if (optype == OP_IOCTL)
2102 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
2104 DIE(aTHX_ "ioctl is not implemented");
2108 #if defined(OS2) && defined(__EMX__)
2109 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
2111 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2114 DIE(aTHX_ "fcntl is not implemented");
2118 if (s[SvCUR(argsv)] != 17)
2119 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2120 PL_op_name[optype]);
2121 s[SvCUR(argsv)] = 0; /* put our null back */
2122 SvSETMAGIC(argsv); /* Assume it has changed */
2131 PUSHp(zero_but_true, ZBTLEN);
2151 if (gv && (io = GvIO(gv)))
2158 (void)PerlIO_flush(fp);
2159 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2162 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2163 report_evil_fh(gv, io, PL_op->op_type);
2165 SETERRNO(EBADF,RMS$_IFI);
2170 DIE(aTHX_ PL_no_func, "flock()");
2182 int protocol = POPi;
2188 io = gv ? GvIOn(gv) : NULL;
2191 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2192 report_evil_fh(gv, io, PL_op->op_type);
2194 do_close(gv, FALSE);
2195 SETERRNO(EBADF,LIB$_INVARG);
2200 do_close(gv, FALSE);
2202 TAINT_PROPER("socket");
2203 fd = PerlSock_socket(domain, type, protocol);
2206 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2207 IoOFP(io) = PerlIO_fdopen(fd, "w");
2208 IoTYPE(io) = IoTYPE_SOCKET;
2209 if (!IoIFP(io) || !IoOFP(io)) {
2210 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2211 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2212 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2215 #if defined(HAS_FCNTL) && defined(F_SETFD)
2216 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2220 setbuf( IoIFP(io), NULL); /* EPOC gets confused about sockets */
2225 DIE(aTHX_ PL_no_sock_func, "socket");
2232 #ifdef HAS_SOCKETPAIR
2237 int protocol = POPi;
2244 io1 = gv1 ? GvIOn(gv1) : NULL;
2245 io2 = gv2 ? GvIOn(gv2) : NULL;
2246 if (!gv1 || !gv2 || !io1 || !io2) {
2247 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
2249 report_evil_fh(gv1, io1, PL_op->op_type);
2251 report_evil_fh(gv1, io2, PL_op->op_type);
2254 do_close(gv1, FALSE);
2256 do_close(gv2, FALSE);
2261 do_close(gv1, FALSE);
2263 do_close(gv2, FALSE);
2265 TAINT_PROPER("socketpair");
2266 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2268 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2269 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2270 IoTYPE(io1) = IoTYPE_SOCKET;
2271 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2272 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2273 IoTYPE(io2) = IoTYPE_SOCKET;
2274 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2275 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2276 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2277 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2278 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2279 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2280 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2283 #if defined(HAS_FCNTL) && defined(F_SETFD)
2284 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2285 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2290 DIE(aTHX_ PL_no_sock_func, "socketpair");
2298 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2299 extern GETPRIVMODE();
2300 extern GETUSERMODE();
2305 register IO *io = GvIOn(gv);
2309 int mpeprivmode = 0;
2312 if (!io || !IoIFP(io))
2315 addr = SvPV(addrsv, len);
2316 TAINT_PROPER("bind");
2317 #ifdef MPE /* Deal with MPE bind() peculiarities */
2318 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2319 /* The address *MUST* stupidly be zero. */
2320 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2321 /* PRIV mode is required to bind() to ports < 1024. */
2322 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2323 ((struct sockaddr_in *)addr)->sin_port > 0) {
2324 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2329 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2330 (struct sockaddr *)addr, len) >= 0)
2333 #ifdef MPE /* Switch back to USER mode */
2344 if (ckWARN(WARN_CLOSED))
2345 report_evil_fh(gv, io, PL_op->op_type);
2346 SETERRNO(EBADF,SS$_IVCHAN);
2349 DIE(aTHX_ PL_no_sock_func, "bind");
2360 register IO *io = GvIOn(gv);
2363 if (!io || !IoIFP(io))
2366 addr = SvPV(addrsv, len);
2367 TAINT_PROPER("connect");
2368 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2374 if (ckWARN(WARN_CLOSED))
2375 report_evil_fh(gv, io, PL_op->op_type);
2376 SETERRNO(EBADF,SS$_IVCHAN);
2379 DIE(aTHX_ PL_no_sock_func, "connect");
2389 register IO *io = gv ? GvIOn(gv) : NULL;
2391 if (!gv || !io || !IoIFP(io))
2394 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2400 if (ckWARN(WARN_CLOSED))
2401 report_evil_fh(gv, io, PL_op->op_type);
2402 SETERRNO(EBADF,SS$_IVCHAN);
2405 DIE(aTHX_ PL_no_sock_func, "listen");
2417 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2418 Sock_size_t len = sizeof saddr;
2430 if (!gstio || !IoIFP(gstio))
2435 do_close(ngv, FALSE);
2437 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2440 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2441 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2442 IoTYPE(nstio) = IoTYPE_SOCKET;
2443 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2444 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2445 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2446 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2449 #if defined(HAS_FCNTL) && defined(F_SETFD)
2450 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2454 len = sizeof saddr; /* EPOC somehow truncates info */
2455 setbuf( IoIFP(nstio), NULL); /* EPOC gets confused about sockets */
2458 PUSHp((char *)&saddr, len);
2462 if (ckWARN(WARN_CLOSED))
2463 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2464 SETERRNO(EBADF,SS$_IVCHAN);
2470 DIE(aTHX_ PL_no_sock_func, "accept");
2480 register IO *io = GvIOn(gv);
2482 if (!io || !IoIFP(io))
2485 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2489 if (ckWARN(WARN_CLOSED))
2490 report_evil_fh(gv, io, PL_op->op_type);
2491 SETERRNO(EBADF,SS$_IVCHAN);
2494 DIE(aTHX_ PL_no_sock_func, "shutdown");
2501 return pp_ssockopt();
2503 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2511 int optype = PL_op->op_type;
2514 unsigned int optname;
2520 if (optype == OP_GSOCKOPT)
2521 sv = sv_2mortal(NEWSV(22, 257));
2524 optname = (unsigned int) POPi;
2525 lvl = (unsigned int) POPi;
2529 if (!io || !IoIFP(io))
2532 fd = PerlIO_fileno(IoIFP(io));
2536 (void)SvPOK_only(sv);
2540 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2555 aint = (int)SvIV(sv);
2559 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2568 if (ckWARN(WARN_CLOSED))
2569 report_evil_fh(gv, io, optype);
2570 SETERRNO(EBADF,SS$_IVCHAN);
2575 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2582 return pp_getpeername();
2584 DIE(aTHX_ PL_no_sock_func, "getsockname");
2592 int optype = PL_op->op_type;
2596 register IO *io = GvIOn(gv);
2599 if (!io || !IoIFP(io))
2602 sv = sv_2mortal(NEWSV(22, 257));
2603 (void)SvPOK_only(sv);
2607 fd = PerlIO_fileno(IoIFP(io));
2609 case OP_GETSOCKNAME:
2610 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2613 case OP_GETPEERNAME:
2614 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2616 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2618 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";
2619 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2620 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2621 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2622 sizeof(u_short) + sizeof(struct in_addr))) {
2629 #ifdef BOGUS_GETNAME_RETURN
2630 /* Interactive Unix, getpeername() and getsockname()
2631 does not return valid namelen */
2632 if (len == BOGUS_GETNAME_RETURN)
2633 len = sizeof(struct sockaddr);
2641 if (ckWARN(WARN_CLOSED))
2642 report_evil_fh(gv, io, optype);
2643 SETERRNO(EBADF,SS$_IVCHAN);
2648 DIE(aTHX_ PL_no_sock_func, "getpeername");
2667 if (PL_op->op_flags & OPf_REF) {
2669 if (PL_op->op_type == OP_LSTAT) {
2670 if (PL_laststype != OP_LSTAT)
2671 Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
2672 if (ckWARN(WARN_IO) && gv != PL_defgv)
2673 Perl_warner(aTHX_ WARN_IO,
2674 "lstat() on filehandle %s", GvENAME(gv));
2675 /* Perl_my_lstat (-l) croak's on filehandle, why warn here? */
2679 if (gv != PL_defgv) {
2680 PL_laststype = OP_STAT;
2682 sv_setpv(PL_statname, "");
2683 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2684 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2686 if (PL_laststatval < 0) {
2687 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2688 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2694 if (SvTYPE(sv) == SVt_PVGV) {
2698 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2702 sv_setpv(PL_statname, SvPV(sv,n_a));
2705 PL_laststype = PL_op->op_type;
2706 if (PL_op->op_type == OP_LSTAT)
2707 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2710 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2711 if (PL_laststatval < 0) {
2712 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2713 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2719 if (gimme != G_ARRAY) {
2720 if (gimme != G_VOID)
2721 XPUSHs(boolSV(max));
2727 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2728 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2729 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2730 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2731 #if Uid_t_size > IVSIZE
2732 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2734 # if Uid_t_sign <= 0
2735 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2737 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2740 #if Gid_t_size > IVSIZE
2741 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2743 # if Gid_t_sign <= 0
2744 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2746 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2749 #ifdef USE_STAT_RDEV
2750 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2752 PUSHs(sv_2mortal(newSVpvn("", 0)));
2754 #if Off_t_size > IVSIZE
2755 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2757 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2760 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2761 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2762 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2764 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2765 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2766 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2768 #ifdef USE_STAT_BLOCKS
2769 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2770 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2772 PUSHs(sv_2mortal(newSVpvn("", 0)));
2773 PUSHs(sv_2mortal(newSVpvn("", 0)));
2783 #if defined(HAS_ACCESS) && defined(R_OK)
2785 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2786 result = access(TOPpx, R_OK);
2801 if (cando(S_IRUSR, 0, &PL_statcache))
2810 #if defined(HAS_ACCESS) && defined(W_OK)
2812 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2813 result = access(TOPpx, W_OK);
2828 if (cando(S_IWUSR, 0, &PL_statcache))
2837 #if defined(HAS_ACCESS) && defined(X_OK)
2839 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2840 result = access(TOPpx, X_OK);
2855 if (cando(S_IXUSR, 0, &PL_statcache))
2864 #ifdef PERL_EFF_ACCESS_R_OK
2866 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2867 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2882 if (cando(S_IRUSR, 1, &PL_statcache))
2891 #ifdef PERL_EFF_ACCESS_W_OK
2893 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2894 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2909 if (cando(S_IWUSR, 1, &PL_statcache))
2918 #ifdef PERL_EFF_ACCESS_X_OK
2920 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2921 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2936 if (cando(S_IXUSR, 1, &PL_statcache))
2943 I32 result = my_stat();
2952 return pp_ftrowned();
2957 I32 result = my_stat();
2961 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2969 I32 result = my_stat();
2973 if (PL_statcache.st_size == 0)
2980 I32 result = my_stat();
2984 #if Off_t_size > IVSIZE
2985 PUSHn(PL_statcache.st_size);
2987 PUSHi(PL_statcache.st_size);
2994 I32 result = my_stat();
2998 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
3004 I32 result = my_stat();
3008 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
3014 I32 result = my_stat();
3018 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
3024 I32 result = my_stat();
3028 if (S_ISSOCK(PL_statcache.st_mode))
3035 I32 result = my_stat();
3039 if (S_ISCHR(PL_statcache.st_mode))
3046 I32 result = my_stat();
3050 if (S_ISBLK(PL_statcache.st_mode))
3057 I32 result = my_stat();
3061 if (S_ISREG(PL_statcache.st_mode))
3068 I32 result = my_stat();
3072 if (S_ISDIR(PL_statcache.st_mode))
3079 I32 result = my_stat();
3083 if (S_ISFIFO(PL_statcache.st_mode))
3090 I32 result = my_lstat();
3094 if (S_ISLNK(PL_statcache.st_mode))
3103 I32 result = my_stat();
3107 if (PL_statcache.st_mode & S_ISUID)
3117 I32 result = my_stat();
3121 if (PL_statcache.st_mode & S_ISGID)
3131 I32 result = my_stat();
3135 if (PL_statcache.st_mode & S_ISVTX)
3146 char *tmps = Nullch;
3149 if (PL_op->op_flags & OPf_REF)
3151 else if (isGV(TOPs))
3153 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3154 gv = (GV*)SvRV(POPs);
3156 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3158 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3159 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3160 else if (tmps && isDIGIT(*tmps))
3164 if (PerlLIO_isatty(fd))
3169 #if defined(atarist) /* this will work with atariST. Configure will
3170 make guesses for other systems. */
3171 # define FILE_base(f) ((f)->_base)
3172 # define FILE_ptr(f) ((f)->_ptr)
3173 # define FILE_cnt(f) ((f)->_cnt)
3174 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3184 register STDCHAR *s;
3191 if (PL_op->op_flags & OPf_REF)
3193 else if (isGV(TOPs))
3195 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3196 gv = (GV*)SvRV(POPs);
3202 if (gv == PL_defgv) {
3204 io = GvIO(PL_statgv);
3207 goto really_filename;
3212 PL_laststatval = -1;
3213 sv_setpv(PL_statname, "");
3214 io = GvIO(PL_statgv);
3216 if (io && IoIFP(io)) {
3217 if (! PerlIO_has_base(IoIFP(io)))
3218 DIE(aTHX_ "-T and -B not implemented on filehandles");
3219 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3220 if (PL_laststatval < 0)
3222 if (S_ISDIR(PL_statcache.st_mode)) { /* handle NFS glitch */
3223 if (PL_op->op_type == OP_FTTEXT)
3228 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3229 i = PerlIO_getc(IoIFP(io));
3231 (void)PerlIO_ungetc(IoIFP(io),i);
3233 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3235 len = PerlIO_get_bufsiz(IoIFP(io));
3236 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3237 /* sfio can have large buffers - limit to 512 */
3242 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3244 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3246 SETERRNO(EBADF,RMS$_IFI);
3254 PL_laststatval = -1;
3255 sv_setpv(PL_statname, SvPV(sv, n_a));
3256 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3257 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3258 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3261 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3262 if (PL_laststatval < 0) {
3263 (void)PerlIO_close(fp);
3266 PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch);
3267 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3268 (void)PerlIO_close(fp);
3270 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3271 RETPUSHNO; /* special case NFS directories */
3272 RETPUSHYES; /* null file is anything */
3277 /* now scan s to look for textiness */
3278 /* XXX ASCII dependent code */
3280 #if defined(DOSISH) || defined(USEMYBINMODE)
3281 /* ignore trailing ^Z on short files */
3282 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3286 for (i = 0; i < len; i++, s++) {
3287 if (!*s) { /* null never allowed in text */
3292 else if (!(isPRINT(*s) || isSPACE(*s)))
3295 else if (*s & 128) {
3297 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3300 /* utf8 characters don't count as odd */
3301 if (UTF8_IS_START(*s)) {
3302 int ulen = UTF8SKIP(s);
3303 if (ulen < len - i) {
3305 for (j = 1; j < ulen; j++) {
3306 if (!UTF8_IS_CONTINUATION(s[j]))
3309 --ulen; /* loop does extra increment */
3319 *s != '\n' && *s != '\r' && *s != '\b' &&
3320 *s != '\t' && *s != '\f' && *s != 27)
3325 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3349 if (!tmps || !*tmps) {
3350 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3352 tmps = SvPV(*svp, n_a);
3354 if (!tmps || !*tmps) {
3355 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3357 tmps = SvPV(*svp, n_a);
3360 if (!tmps || !*tmps) {
3361 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3363 tmps = SvPV(*svp, n_a);
3366 TAINT_PROPER("chdir");
3367 PUSHi( PerlDir_chdir(tmps) >= 0 );
3369 /* Clear the DEFAULT element of ENV so we'll get the new value
3371 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3378 dSP; dMARK; dTARGET;
3381 value = (I32)apply(PL_op->op_type, MARK, SP);
3386 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3397 TAINT_PROPER("chroot");
3398 PUSHi( chroot(tmps) >= 0 );
3401 DIE(aTHX_ PL_no_func, "chroot");
3407 dSP; dMARK; dTARGET;
3409 value = (I32)apply(PL_op->op_type, MARK, SP);
3417 dSP; dMARK; dTARGET;
3419 value = (I32)apply(PL_op->op_type, MARK, SP);
3427 dSP; dMARK; dTARGET;
3429 value = (I32)apply(PL_op->op_type, MARK, SP);
3441 char *tmps2 = POPpx;
3442 char *tmps = SvPV(TOPs, n_a);
3443 TAINT_PROPER("rename");
3445 anum = PerlLIO_rename(tmps, tmps2);
3447 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3448 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3451 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3452 (void)UNLINK(tmps2);
3453 if (!(anum = link(tmps, tmps2)))
3454 anum = UNLINK(tmps);
3467 char *tmps2 = POPpx;
3468 char *tmps = SvPV(TOPs, n_a);
3469 TAINT_PROPER("link");
3470 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3472 DIE(aTHX_ PL_no_func, "Unsupported function link");
3482 char *tmps2 = POPpx;
3483 char *tmps = SvPV(TOPs, n_a);
3484 TAINT_PROPER("symlink");
3485 SETi( symlink(tmps, tmps2) >= 0 );
3488 DIE(aTHX_ PL_no_func, "symlink");
3497 char buf[MAXPATHLEN];
3501 #ifndef INCOMPLETE_TAINTS
3505 len = readlink(tmps, buf, sizeof buf);
3513 RETSETUNDEF; /* just pretend it's a normal file */
3517 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3519 S_dooneliner(pTHX_ char *cmd, char *filename)
3521 char *save_filename = filename;
3527 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3528 strcpy(cmdline, cmd);
3529 strcat(cmdline, " ");
3530 for (s = cmdline + strlen(cmdline); *filename; ) {
3535 myfp = PerlProc_popen(cmdline, "r");
3539 SV *tmpsv = sv_newmortal();
3540 /* Need to save/restore 'PL_rs' ?? */
3541 s = sv_gets(tmpsv, myfp, 0);
3542 (void)PerlProc_pclose(myfp);
3546 #ifdef HAS_SYS_ERRLIST
3551 /* you don't see this */
3553 #ifdef HAS_SYS_ERRLIST
3561 if (instr(s, errmsg)) {
3568 #define EACCES EPERM
3570 if (instr(s, "cannot make"))
3571 SETERRNO(EEXIST,RMS$_FEX);
3572 else if (instr(s, "existing file"))
3573 SETERRNO(EEXIST,RMS$_FEX);
3574 else if (instr(s, "ile exists"))
3575 SETERRNO(EEXIST,RMS$_FEX);
3576 else if (instr(s, "non-exist"))
3577 SETERRNO(ENOENT,RMS$_FNF);
3578 else if (instr(s, "does not exist"))
3579 SETERRNO(ENOENT,RMS$_FNF);
3580 else if (instr(s, "not empty"))
3581 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3582 else if (instr(s, "cannot access"))
3583 SETERRNO(EACCES,RMS$_PRV);
3585 SETERRNO(EPERM,RMS$_PRV);
3588 else { /* some mkdirs return no failure indication */
3589 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3590 if (PL_op->op_type == OP_RMDIR)
3595 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3620 tmps = SvPV(TOPs, len);
3621 /* Different operating and file systems take differently to
3622 * trailing slashes. According to POSIX 1003.1 1996 Edition
3623 * any number of trailing slashes should be allowed.
3624 * Thusly we snip them away so that even non-conforming
3625 * systems are happy. */
3626 /* We should probably do this "filtering" for all
3627 * the functions that expect (potentially) directory names:
3628 * -d, chdir(), chmod(), chown(), chroot(), fcntl()?,
3629 * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */
3630 if (len > 1 && tmps[len-1] == '/') {
3631 while (tmps[len] == '/' && len > 1)
3633 tmps = savepvn(tmps, len);
3637 TAINT_PROPER("mkdir");
3639 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3641 SETi( dooneliner("mkdir", tmps) );
3642 oldumask = PerlLIO_umask(0);
3643 PerlLIO_umask(oldumask);
3644 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3658 TAINT_PROPER("rmdir");
3660 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3662 XPUSHi( dooneliner("rmdir", tmps) );
3667 /* Directory calls. */
3672 #if defined(Direntry_t) && defined(HAS_READDIR)
3674 char *dirname = POPpx;
3676 register IO *io = GvIOn(gv);
3682 PerlDir_close(IoDIRP(io));
3683 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3689 SETERRNO(EBADF,RMS$_DIR);
3692 DIE(aTHX_ PL_no_dir_func, "opendir");
3699 #if defined(Direntry_t) && defined(HAS_READDIR)
3701 Direntry_t *readdir (DIR *);
3703 register Direntry_t *dp;
3705 register IO *io = GvIOn(gv);
3708 if (!io || !IoDIRP(io))
3711 if (GIMME == G_ARRAY) {
3713 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3715 sv = newSVpvn(dp->d_name, dp->d_namlen);
3717 sv = newSVpv(dp->d_name, 0);
3719 #ifndef INCOMPLETE_TAINTS
3720 if (!(IoFLAGS(io) & IOf_UNTAINT))
3723 XPUSHs(sv_2mortal(sv));
3727 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3730 sv = newSVpvn(dp->d_name, dp->d_namlen);
3732 sv = newSVpv(dp->d_name, 0);
3734 #ifndef INCOMPLETE_TAINTS
3735 if (!(IoFLAGS(io) & IOf_UNTAINT))
3738 XPUSHs(sv_2mortal(sv));
3744 SETERRNO(EBADF,RMS$_ISI);
3745 if (GIMME == G_ARRAY)
3750 DIE(aTHX_ PL_no_dir_func, "readdir");
3757 #if defined(HAS_TELLDIR) || defined(telldir)
3758 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3759 /* XXX netbsd still seemed to.
3760 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3761 --JHI 1999-Feb-02 */
3762 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3763 long telldir (DIR *);
3766 register IO *io = GvIOn(gv);
3768 if (!io || !IoDIRP(io))
3771 PUSHi( PerlDir_tell(IoDIRP(io)) );
3775 SETERRNO(EBADF,RMS$_ISI);
3778 DIE(aTHX_ PL_no_dir_func, "telldir");
3785 #if defined(HAS_SEEKDIR) || defined(seekdir)
3788 register IO *io = GvIOn(gv);
3790 if (!io || !IoDIRP(io))
3793 (void)PerlDir_seek(IoDIRP(io), along);
3798 SETERRNO(EBADF,RMS$_ISI);
3801 DIE(aTHX_ PL_no_dir_func, "seekdir");
3808 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3810 register IO *io = GvIOn(gv);
3812 if (!io || !IoDIRP(io))
3815 (void)PerlDir_rewind(IoDIRP(io));
3819 SETERRNO(EBADF,RMS$_ISI);
3822 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3829 #if defined(Direntry_t) && defined(HAS_READDIR)
3831 register IO *io = GvIOn(gv);
3833 if (!io || !IoDIRP(io))
3836 #ifdef VOID_CLOSEDIR
3837 PerlDir_close(IoDIRP(io));
3839 if (PerlDir_close(IoDIRP(io)) < 0) {
3840 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3849 SETERRNO(EBADF,RMS$_IFI);
3852 DIE(aTHX_ PL_no_dir_func, "closedir");
3856 /* Process control. */
3866 PERL_FLUSHALL_FOR_CHILD;
3872 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3873 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3874 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3879 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3884 PERL_FLUSHALL_FOR_CHILD;
3885 childpid = PerlProc_fork();
3891 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3898 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3903 childpid = wait4pid(-1, &argflags, 0);
3904 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3905 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3906 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3908 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3913 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3919 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3927 childpid = wait4pid(childpid, &argflags, optype);
3928 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3929 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3930 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3932 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3937 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3943 dSP; dMARK; dORIGMARK; dTARGET;
3948 Sigsave_t ihand,qhand; /* place to save signals during system() */
3953 if (SP - MARK == 1) {
3955 char *junk = SvPV(TOPs, n_a);
3957 TAINT_PROPER("system");
3960 PERL_FLUSHALL_FOR_CHILD;
3961 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3962 if (PerlProc_pipe(pp) >= 0)
3964 while ((childpid = vfork()) == -1) {
3965 if (errno != EAGAIN) {
3970 PerlLIO_close(pp[0]);
3971 PerlLIO_close(pp[1]);
3979 PerlLIO_close(pp[1]);
3981 rsignal_save(SIGINT, SIG_IGN, &ihand);
3982 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3985 result = wait4pid(childpid, &status, 0);
3986 } while (result == -1 && errno == EINTR);
3988 (void)rsignal_restore(SIGINT, &ihand);
3989 (void)rsignal_restore(SIGQUIT, &qhand);
3991 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3992 do_execfree(); /* free any memory child malloced on vfork */
3998 while (n < sizeof(int)) {
3999 n1 = PerlLIO_read(pp[0],
4000 (void*)(((char*)&errkid)+n),
4006 PerlLIO_close(pp[0]);
4007 if (n) { /* Error */
4008 if (n != sizeof(int))
4009 DIE(aTHX_ "panic: kid popen errno read");
4010 errno = errkid; /* Propagate errno from kid */
4011 STATUS_CURRENT = -1;
4014 PUSHi(STATUS_CURRENT);
4018 PerlLIO_close(pp[0]);
4019 #if defined(HAS_FCNTL) && defined(F_SETFD)
4020 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
4023 if (PL_op->op_flags & OPf_STACKED) {
4024 SV *really = *++MARK;
4025 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
4027 else if (SP - MARK != 1)
4028 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
4030 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
4033 #else /* ! FORK or VMS or OS/2 */
4036 if (PL_op->op_flags & OPf_STACKED) {
4037 SV *really = *++MARK;
4038 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
4040 else if (SP - MARK != 1)
4041 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
4043 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
4045 if (PL_statusvalue == -1) /* hint that value must be returned as is */
4047 STATUS_NATIVE_SET(value);
4050 PUSHi(result ? value : STATUS_CURRENT);
4051 #endif /* !FORK or VMS */
4057 dSP; dMARK; dORIGMARK; dTARGET;
4061 PERL_FLUSHALL_FOR_CHILD;
4062 if (PL_op->op_flags & OPf_STACKED) {
4063 SV *really = *++MARK;
4064 value = (I32)do_aexec(really, MARK, SP);
4066 else if (SP - MARK != 1)
4068 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
4072 (void ) do_aspawn(Nullsv, MARK, SP);
4076 value = (I32)do_aexec(Nullsv, MARK, SP);
4081 char *junk = SvPV(*SP, n_a);
4083 TAINT_PROPER("exec");
4086 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4089 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
4092 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4097 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
4109 dSP; dMARK; dTARGET;
4112 value = (I32)apply(PL_op->op_type, MARK, SP);
4117 DIE(aTHX_ PL_no_func, "Unsupported function kill");
4125 XPUSHi( getppid() );
4128 DIE(aTHX_ PL_no_func, "getppid");
4144 pgrp = (I32)BSD_GETPGRP(pid);
4146 if (pid != 0 && pid != PerlProc_getpid())
4147 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4153 DIE(aTHX_ PL_no_func, "getpgrp()");
4172 TAINT_PROPER("setpgrp");
4174 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4176 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4177 || (pid != 0 && pid != PerlProc_getpid()))
4179 DIE(aTHX_ "setpgrp can't take arguments");
4181 SETi( setpgrp() >= 0 );
4182 #endif /* USE_BSDPGRP */
4185 DIE(aTHX_ PL_no_func, "setpgrp()");
4194 #ifdef HAS_GETPRIORITY
4197 SETi( getpriority(which, who) );
4200 DIE(aTHX_ PL_no_func, "getpriority()");
4210 #ifdef HAS_SETPRIORITY
4214 TAINT_PROPER("setpriority");
4215 SETi( setpriority(which, who, niceval) >= 0 );
4218 DIE(aTHX_ PL_no_func, "setpriority()");
4228 XPUSHn( time(Null(Time_t*)) );
4230 XPUSHi( time(Null(Time_t*)) );
4235 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4236 to HZ. Probably. For now, assume that if the system
4237 defines HZ, it does so correctly. (Will this break
4239 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4240 it's supported. --AD 9/96.
4256 DIE(aTHX_ "times not implemented");
4261 (void)PerlProc_times(&PL_timesbuf);
4263 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4264 /* struct tms, though same data */
4268 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4269 if (GIMME == G_ARRAY) {
4270 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4271 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4272 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4275 #endif /* HAS_TIMES */
4288 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4289 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4290 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4296 when = (Time_t)SvNVx(POPs);
4298 when = (Time_t)SvIVx(POPs);
4301 if (PL_op->op_type == OP_LOCALTIME)
4302 tmbuf = localtime(&when);
4304 tmbuf = gmtime(&when);
4308 if (GIMME != G_ARRAY) {
4312 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4313 dayname[tmbuf->tm_wday],
4314 monname[tmbuf->tm_mon],
4319 tmbuf->tm_year + 1900);
4320 PUSHs(sv_2mortal(tsv));
4323 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4324 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4325 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4326 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4327 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4328 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4329 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4330 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4331 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4342 anum = alarm((unsigned int)anum);
4349 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4360 (void)time(&lasttime);
4365 PerlProc_sleep((unsigned int)duration);
4368 XPUSHi(when - lasttime);
4372 /* Shared memory. */
4386 return pp_shmwrite();
4391 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4392 dSP; dMARK; dTARGET;
4393 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4402 /* Message passing. */
4416 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4417 dSP; dMARK; dTARGET;
4418 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4429 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4430 dSP; dMARK; dTARGET;
4431 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4444 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4445 dSP; dMARK; dTARGET;
4446 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4453 DIE(aTHX_ "System V IPC is not implemented on this machine");
4459 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4460 dSP; dMARK; dTARGET;
4461 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4469 PUSHp(zero_but_true, ZBTLEN);
4479 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4480 dSP; dMARK; dTARGET;
4481 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4490 /* Get system info. */
4494 #ifdef HAS_GETHOSTBYNAME
4495 return pp_ghostent();
4497 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4503 #ifdef HAS_GETHOSTBYADDR
4504 return pp_ghostent();
4506 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4513 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4514 I32 which = PL_op->op_type;
4515 register char **elem;
4517 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4518 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4519 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4520 struct hostent *PerlSock_gethostent(void);
4522 struct hostent *hent;
4527 if (which == OP_GHBYNAME)
4528 #ifdef HAS_GETHOSTBYNAME
4529 hent = PerlSock_gethostbyname(POPpbytex);
4531 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4533 else if (which == OP_GHBYADDR) {
4534 #ifdef HAS_GETHOSTBYADDR
4535 int addrtype = POPi;
4538 Netdb_host_t addr = (Netdb_host_t) SvPVbyte(addrsv, addrlen);
4540 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4542 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4546 #ifdef HAS_GETHOSTENT
4547 hent = PerlSock_gethostent();
4549 DIE(aTHX_ PL_no_sock_func, "gethostent");
4552 #ifdef HOST_NOT_FOUND
4554 STATUS_NATIVE_SET(h_errno);
4557 if (GIMME != G_ARRAY) {
4558 PUSHs(sv = sv_newmortal());
4560 if (which == OP_GHBYNAME) {
4562 sv_setpvn(sv, hent->h_addr, hent->h_length);
4565 sv_setpv(sv, (char*)hent->h_name);
4571 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4572 sv_setpv(sv, (char*)hent->h_name);
4573 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4574 for (elem = hent->h_aliases; elem && *elem; elem++) {
4575 sv_catpv(sv, *elem);
4577 sv_catpvn(sv, " ", 1);
4579 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4580 sv_setiv(sv, (IV)hent->h_addrtype);
4581 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4582 len = hent->h_length;
4583 sv_setiv(sv, (IV)len);
4585 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4586 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4587 sv_setpvn(sv, *elem, len);
4590 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4592 sv_setpvn(sv, hent->h_addr, len);
4597 DIE(aTHX_ PL_no_sock_func, "gethostent");
4603 #ifdef HAS_GETNETBYNAME
4604 return pp_gnetent();
4606 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4612 #ifdef HAS_GETNETBYADDR
4613 return pp_gnetent();
4615 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4622 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4623 I32 which = PL_op->op_type;
4624 register char **elem;
4626 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4627 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4628 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4629 struct netent *PerlSock_getnetent(void);
4631 struct netent *nent;
4634 if (which == OP_GNBYNAME)
4635 #ifdef HAS_GETNETBYNAME
4636 nent = PerlSock_getnetbyname(POPpbytex);
4638 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4640 else if (which == OP_GNBYADDR) {
4641 #ifdef HAS_GETNETBYADDR
4642 int addrtype = POPi;
4643 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4644 nent = PerlSock_getnetbyaddr(addr, addrtype);
4646 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4650 #ifdef HAS_GETNETENT
4651 nent = PerlSock_getnetent();
4653 DIE(aTHX_ PL_no_sock_func, "getnetent");
4657 if (GIMME != G_ARRAY) {
4658 PUSHs(sv = sv_newmortal());
4660 if (which == OP_GNBYNAME)
4661 sv_setiv(sv, (IV)nent->n_net);
4663 sv_setpv(sv, nent->n_name);
4669 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4670 sv_setpv(sv, nent->n_name);
4671 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4672 for (elem = nent->n_aliases; elem && *elem; elem++) {
4673 sv_catpv(sv, *elem);
4675 sv_catpvn(sv, " ", 1);
4677 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4678 sv_setiv(sv, (IV)nent->n_addrtype);
4679 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4680 sv_setiv(sv, (IV)nent->n_net);
4685 DIE(aTHX_ PL_no_sock_func, "getnetent");
4691 #ifdef HAS_GETPROTOBYNAME
4692 return pp_gprotoent();
4694 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4700 #ifdef HAS_GETPROTOBYNUMBER
4701 return pp_gprotoent();
4703 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4710 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4711 I32 which = PL_op->op_type;
4712 register char **elem;
4714 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4715 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4716 struct protoent *PerlSock_getprotobynumber(int);
4717 struct protoent *PerlSock_getprotoent(void);
4719 struct protoent *pent;
4722 if (which == OP_GPBYNAME)
4723 #ifdef HAS_GETPROTOBYNAME
4724 pent = PerlSock_getprotobyname(POPpbytex);
4726 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4728 else if (which == OP_GPBYNUMBER)
4729 #ifdef HAS_GETPROTOBYNUMBER
4730 pent = PerlSock_getprotobynumber(POPi);
4732 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4735 #ifdef HAS_GETPROTOENT
4736 pent = PerlSock_getprotoent();
4738 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4742 if (GIMME != G_ARRAY) {
4743 PUSHs(sv = sv_newmortal());
4745 if (which == OP_GPBYNAME)
4746 sv_setiv(sv, (IV)pent->p_proto);
4748 sv_setpv(sv, pent->p_name);
4754 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4755 sv_setpv(sv, pent->p_name);
4756 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4757 for (elem = pent->p_aliases; elem && *elem; elem++) {
4758 sv_catpv(sv, *elem);
4760 sv_catpvn(sv, " ", 1);
4762 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4763 sv_setiv(sv, (IV)pent->p_proto);
4768 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4774 #ifdef HAS_GETSERVBYNAME
4775 return pp_gservent();
4777 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4783 #ifdef HAS_GETSERVBYPORT
4784 return pp_gservent();
4786 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4793 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4794 I32 which = PL_op->op_type;
4795 register char **elem;
4797 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4798 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4799 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4800 struct servent *PerlSock_getservent(void);
4802 struct servent *sent;
4805 if (which == OP_GSBYNAME) {
4806 #ifdef HAS_GETSERVBYNAME
4807 char *proto = POPpbytex;
4808 char *name = POPpbytex;
4810 if (proto && !*proto)
4813 sent = PerlSock_getservbyname(name, proto);
4815 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4818 else if (which == OP_GSBYPORT) {
4819 #ifdef HAS_GETSERVBYPORT
4820 char *proto = POPpbytex;
4821 unsigned short port = POPu;
4824 port = PerlSock_htons(port);
4826 sent = PerlSock_getservbyport(port, proto);
4828 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4832 #ifdef HAS_GETSERVENT
4833 sent = PerlSock_getservent();
4835 DIE(aTHX_ PL_no_sock_func, "getservent");
4839 if (GIMME != G_ARRAY) {
4840 PUSHs(sv = sv_newmortal());
4842 if (which == OP_GSBYNAME) {
4844 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4846 sv_setiv(sv, (IV)(sent->s_port));
4850 sv_setpv(sv, sent->s_name);
4856 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4857 sv_setpv(sv, sent->s_name);
4858 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4859 for (elem = sent->s_aliases; elem && *elem; elem++) {
4860 sv_catpv(sv, *elem);
4862 sv_catpvn(sv, " ", 1);
4864 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4866 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4868 sv_setiv(sv, (IV)(sent->s_port));
4870 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4871 sv_setpv(sv, sent->s_proto);
4876 DIE(aTHX_ PL_no_sock_func, "getservent");
4883 #ifdef HAS_SETHOSTENT
4884 PerlSock_sethostent(TOPi);
4887 DIE(aTHX_ PL_no_sock_func, "sethostent");
4894 #ifdef HAS_SETNETENT
4895 PerlSock_setnetent(TOPi);
4898 DIE(aTHX_ PL_no_sock_func, "setnetent");
4905 #ifdef HAS_SETPROTOENT
4906 PerlSock_setprotoent(TOPi);
4909 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4916 #ifdef HAS_SETSERVENT
4917 PerlSock_setservent(TOPi);
4920 DIE(aTHX_ PL_no_sock_func, "setservent");
4927 #ifdef HAS_ENDHOSTENT
4928 PerlSock_endhostent();
4932 DIE(aTHX_ PL_no_sock_func, "endhostent");
4939 #ifdef HAS_ENDNETENT
4940 PerlSock_endnetent();
4944 DIE(aTHX_ PL_no_sock_func, "endnetent");
4951 #ifdef HAS_ENDPROTOENT
4952 PerlSock_endprotoent();
4956 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4963 #ifdef HAS_ENDSERVENT
4964 PerlSock_endservent();
4968 DIE(aTHX_ PL_no_sock_func, "endservent");
4977 DIE(aTHX_ PL_no_func, "getpwnam");
4986 DIE(aTHX_ PL_no_func, "getpwuid");
4994 I32 which = PL_op->op_type;
4997 struct passwd *pwent = NULL;
4999 * We currently support only the SysV getsp* shadow password interface.
5000 * The interface is declared in <shadow.h> and often one needs to link
5001 * with -lsecurity or some such.
5002 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
5005 * AIX getpwnam() is clever enough to return the encrypted password
5006 * only if the caller (euid?) is root.
5008 * There are at least two other shadow password APIs. Many platforms
5009 * seem to contain more than one interface for accessing the shadow
5010 * password databases, possibly for compatibility reasons.
5011 * The getsp*() is by far he simplest one, the other two interfaces
5012 * are much more complicated, but also very similar to each other.
5017 * struct pr_passwd *getprpw*();
5018 * The password is in
5019 * char getprpw*(...).ufld.fd_encrypt[]
5020 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
5025 * struct es_passwd *getespw*();
5026 * The password is in
5027 * char *(getespw*(...).ufld.fd_encrypt)
5028 * Mention HAS_GETESPWNAM here so that Configure probes for it.
5030 * Mention I_PROT here so that Configure probes for it.
5032 * In HP-UX for getprpw*() the manual page claims that one should include
5033 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
5034 * if one includes <shadow.h> as that includes <hpsecurity.h>,
5035 * and pp_sys.c already includes <shadow.h> if there is such.
5037 * Note that <sys/security.h> is already probed for, but currently
5038 * it is only included in special cases.
5040 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
5041 * be preferred interface, even though also the getprpw*() interface
5042 * is available) one needs to link with -lsecurity -ldb -laud -lm.
5043 * One also needs to call set_auth_parameters() in main() before
5044 * doing anything else, whether one is using getespw*() or getprpw*().
5046 * Note that accessing the shadow databases can be magnitudes
5047 * slower than accessing the standard databases.
5054 pwent = getpwnam(POPpbytex);
5057 pwent = getpwuid((Uid_t)POPi);
5060 # ifdef HAS_GETPWENT
5063 DIE(aTHX_ PL_no_func, "getpwent");
5069 if (GIMME != G_ARRAY) {
5070 PUSHs(sv = sv_newmortal());
5072 if (which == OP_GPWNAM)
5073 # if Uid_t_sign <= 0
5074 sv_setiv(sv, (IV)pwent->pw_uid);
5076 sv_setuv(sv, (UV)pwent->pw_uid);
5079 sv_setpv(sv, pwent->pw_name);
5085 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5086 sv_setpv(sv, pwent->pw_name);
5088 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5090 /* If we have getspnam(), we try to dig up the shadow
5091 * password. If we are underprivileged, the shadow
5092 * interface will set the errno to EACCES or similar,
5093 * and return a null pointer. If this happens, we will
5094 * use the dummy password (usually "*" or "x") from the
5095 * standard password database.
5097 * In theory we could skip the shadow call completely
5098 * if euid != 0 but in practice we cannot know which
5099 * security measures are guarding the shadow databases
5100 * on a random platform.
5102 * Resist the urge to use additional shadow interfaces.
5103 * Divert the urge to writing an extension instead.
5106 # ifdef HAS_GETSPNAM
5108 struct spwd *spwent;
5109 int saverrno; /* Save and restore errno so that
5110 * underprivileged attempts seem
5111 * to have never made the unsccessful
5112 * attempt to retrieve the shadow password. */
5115 spwent = getspnam(pwent->pw_name);
5117 if (spwent && spwent->sp_pwdp)
5118 sv_setpv(sv, spwent->sp_pwdp);
5122 if (!SvPOK(sv)) /* Use the standard password, then. */
5123 sv_setpv(sv, pwent->pw_passwd);
5126 # ifndef INCOMPLETE_TAINTS
5127 /* passwd is tainted because user himself can diddle with it.
5128 * admittedly not much and in a very limited way, but nevertheless. */
5132 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5133 # if Uid_t_sign <= 0
5134 sv_setiv(sv, (IV)pwent->pw_uid);
5136 sv_setuv(sv, (UV)pwent->pw_uid);
5139 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5140 # if Uid_t_sign <= 0
5141 sv_setiv(sv, (IV)pwent->pw_gid);
5143 sv_setuv(sv, (UV)pwent->pw_gid);
5145 /* pw_change, pw_quota, and pw_age are mutually exclusive--
5146 * because of the poor interface of the Perl getpw*(),
5147 * not because there's some standard/convention saying so.
5148 * A better interface would have been to return a hash,
5149 * but we are accursed by our history, alas. --jhi. */
5150 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5152 sv_setiv(sv, (IV)pwent->pw_change);
5155 sv_setiv(sv, (IV)pwent->pw_quota);
5158 sv_setpv(sv, pwent->pw_age);
5163 /* pw_class and pw_comment are mutually exclusive--.
5164 * see the above note for pw_change, pw_quota, and pw_age. */
5165 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5167 sv_setpv(sv, pwent->pw_class);
5170 sv_setpv(sv, pwent->pw_comment);
5174 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5176 sv_setpv(sv, pwent->pw_gecos);
5178 # ifndef INCOMPLETE_TAINTS
5179 /* pw_gecos is tainted because user himself can diddle with it. */
5183 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5184 sv_setpv(sv, pwent->pw_dir);
5186 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5187 sv_setpv(sv, pwent->pw_shell);
5188 # ifndef INCOMPLETE_TAINTS
5189 /* pw_shell is tainted because user himself can diddle with it. */
5194 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5195 sv_setiv(sv, (IV)pwent->pw_expire);
5200 DIE(aTHX_ PL_no_func, "getpwent");
5207 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5211 DIE(aTHX_ PL_no_func, "setpwent");
5218 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5222 DIE(aTHX_ PL_no_func, "endpwent");
5231 DIE(aTHX_ PL_no_func, "getgrnam");
5240 DIE(aTHX_ PL_no_func, "getgrgid");
5248 I32 which = PL_op->op_type;
5249 register char **elem;
5251 struct group *grent;
5254 if (which == OP_GGRNAM)
5255 grent = (struct group *)getgrnam(POPpbytex);
5256 else if (which == OP_GGRGID)
5257 grent = (struct group *)getgrgid(POPi);
5260 grent = (struct group *)getgrent();
5262 DIE(aTHX_ PL_no_func, "getgrent");
5266 if (GIMME != G_ARRAY) {
5267 PUSHs(sv = sv_newmortal());
5269 if (which == OP_GGRNAM)
5270 sv_setiv(sv, (IV)grent->gr_gid);
5272 sv_setpv(sv, grent->gr_name);
5278 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5279 sv_setpv(sv, grent->gr_name);
5281 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5283 sv_setpv(sv, grent->gr_passwd);
5286 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5287 sv_setiv(sv, (IV)grent->gr_gid);
5289 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5290 for (elem = grent->gr_mem; elem && *elem; elem++) {
5291 sv_catpv(sv, *elem);
5293 sv_catpvn(sv, " ", 1);
5299 DIE(aTHX_ PL_no_func, "getgrent");
5306 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5310 DIE(aTHX_ PL_no_func, "setgrent");
5317 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5321 DIE(aTHX_ PL_no_func, "endgrent");
5331 if (!(tmps = PerlProc_getlogin()))
5333 PUSHp(tmps, strlen(tmps));
5336 DIE(aTHX_ PL_no_func, "getlogin");
5340 /* Miscellaneous. */
5345 dSP; dMARK; dORIGMARK; dTARGET;
5346 register I32 items = SP - MARK;
5347 unsigned long a[20];
5353 while (++MARK <= SP) {
5354 if (SvTAINTED(*MARK)) {
5360 TAINT_PROPER("syscall");
5363 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5364 * or where sizeof(long) != sizeof(char*). But such machines will
5365 * not likely have syscall implemented either, so who cares?
5367 while (++MARK <= SP) {
5368 if (SvNIOK(*MARK) || !i)
5369 a[i++] = SvIV(*MARK);
5370 else if (*MARK == &PL_sv_undef)
5373 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5379 DIE(aTHX_ "Too many args to syscall");
5381 DIE(aTHX_ "Too few args to syscall");
5383 retval = syscall(a[0]);
5386 retval = syscall(a[0],a[1]);
5389 retval = syscall(a[0],a[1],a[2]);
5392 retval = syscall(a[0],a[1],a[2],a[3]);
5395 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5398 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5401 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5404 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5408 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5411 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5414 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5418 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5422 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5426 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5427 a[10],a[11],a[12],a[13]);
5429 #endif /* atarist */
5435 DIE(aTHX_ PL_no_func, "syscall");
5439 #ifdef FCNTL_EMULATE_FLOCK
5441 /* XXX Emulate flock() with fcntl().
5442 What's really needed is a good file locking module.
5446 fcntl_emulate_flock(int fd, int operation)
5450 switch (operation & ~LOCK_NB) {
5452 flock.l_type = F_RDLCK;
5455 flock.l_type = F_WRLCK;
5458 flock.l_type = F_UNLCK;
5464 flock.l_whence = SEEK_SET;
5465 flock.l_start = flock.l_len = (Off_t)0;
5467 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5470 #endif /* FCNTL_EMULATE_FLOCK */
5472 #ifdef LOCKF_EMULATE_FLOCK
5474 /* XXX Emulate flock() with lockf(). This is just to increase
5475 portability of scripts. The calls are not completely
5476 interchangeable. What's really needed is a good file
5480 /* The lockf() constants might have been defined in <unistd.h>.
5481 Unfortunately, <unistd.h> causes troubles on some mixed
5482 (BSD/POSIX) systems, such as SunOS 4.1.3.
5484 Further, the lockf() constants aren't POSIX, so they might not be
5485 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5486 just stick in the SVID values and be done with it. Sigh.
5490 # define F_ULOCK 0 /* Unlock a previously locked region */
5493 # define F_LOCK 1 /* Lock a region for exclusive use */
5496 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5499 # define F_TEST 3 /* Test a region for other processes locks */
5503 lockf_emulate_flock(int fd, int operation)
5509 /* flock locks entire file so for lockf we need to do the same */
5511 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5512 if (pos > 0) /* is seekable and needs to be repositioned */
5513 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5514 pos = -1; /* seek failed, so don't seek back afterwards */
5517 switch (operation) {
5519 /* LOCK_SH - get a shared lock */
5521 /* LOCK_EX - get an exclusive lock */
5523 i = lockf (fd, F_LOCK, 0);
5526 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5527 case LOCK_SH|LOCK_NB:
5528 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5529 case LOCK_EX|LOCK_NB:
5530 i = lockf (fd, F_TLOCK, 0);
5532 if ((errno == EAGAIN) || (errno == EACCES))
5533 errno = EWOULDBLOCK;
5536 /* LOCK_UN - unlock (non-blocking is a no-op) */
5538 case LOCK_UN|LOCK_NB:
5539 i = lockf (fd, F_ULOCK, 0);
5542 /* Default - can't decipher operation */
5549 if (pos > 0) /* need to restore position of the handle */
5550 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5555 #endif /* LOCKF_EMULATE_FLOCK */