3 * Copyright (c) 1991-2000, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
11 * But only a short way ahead its floor and the walls on either side were
12 * cloven by a great fissure, out of which the red glare came, now leaping
13 * up, now dying down into darkness; and all the while far below there was
14 * a rumour and a trouble as of great engines throbbing and labouring.
18 #define PERL_IN_PP_SYS_C
22 /* Shadow password support for solaris - pdo@cs.umd.edu
23 * Not just Solaris: at least HP-UX, IRIX, Linux.
24 * The API is from SysV.
26 * There are at least two more shadow interfaces,
27 * see the comments in pp_gpwent().
31 /* There is a MAXINT coming from <shadow.h> <- <hpsecurity.h> <- <values.h>
32 * and another MAXINT from "perl.h" <- <sys/param.h>. */
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) ? Nullch : SvPV(tmpsv, len);
455 (void)SvUPGRADE(error, SVt_PV);
456 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
458 SvSetSV(error,tmpsv);
459 else if (sv_isobject(error)) {
460 HV *stash = SvSTASH(SvRV(error));
461 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
463 SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0));
464 SV *line = sv_2mortal(newSVuv(CopLINE(PL_curcop)));
471 call_sv((SV*)GvCV(gv),
472 G_SCALAR|G_EVAL|G_KEEPERR);
473 sv_setsv(error,*PL_stack_sp--);
479 if (SvPOK(error) && SvCUR(error))
480 sv_catpv(error, "\t...propagated");
482 tmps = SvPV(tmpsv, len);
486 tmpsv = sv_2mortal(newSVpvn("Died", 4));
488 DIE(aTHX_ "%"SVf, tmpsv);
511 DIE(aTHX_ PL_no_usym, "filehandle");
516 DIE(aTHX_ PL_no_usym, "filehandle");
518 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
520 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
522 XPUSHs(SvTIED_obj((SV*)gv, mg));
528 call_method("OPEN", G_SCALAR);
534 tmps = SvPV(sv, len);
535 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
536 PUSHi( (I32)PL_forkprocess );
537 else if (PL_forkprocess == 0) /* we are a new child */
555 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
557 XPUSHs(SvTIED_obj((SV*)gv, mg));
560 call_method("CLOSE", G_SCALAR);
566 PUSHs(boolSV(do_close(gv, TRUE)));
586 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
587 DIE(aTHX_ PL_no_usym, "filehandle");
592 do_close(rgv, FALSE);
594 do_close(wgv, FALSE);
596 if (PerlProc_pipe(fd) < 0)
599 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
600 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
601 IoIFP(wstio) = IoOFP(wstio);
602 IoTYPE(rstio) = IoTYPE_RDONLY;
603 IoTYPE(wstio) = IoTYPE_WRONLY;
605 if (!IoIFP(rstio) || !IoOFP(wstio)) {
606 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
607 else PerlLIO_close(fd[0]);
608 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
609 else PerlLIO_close(fd[1]);
612 #if defined(HAS_FCNTL) && defined(F_SETFD)
613 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
614 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
621 DIE(aTHX_ PL_no_func, "pipe");
637 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
639 XPUSHs(SvTIED_obj((SV*)gv, mg));
642 call_method("FILENO", G_SCALAR);
648 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
650 PUSHi(PerlIO_fileno(fp));
661 anum = PerlLIO_umask(0);
662 (void)PerlLIO_umask(anum);
665 anum = PerlLIO_umask(POPi);
666 TAINT_PROPER("umask");
669 /* Only DIE if trying to restrict permissions on `user' (self).
670 * Otherwise it's harmless and more useful to just return undef
671 * since 'group' and 'other' concepts probably don't exist here. */
672 if (MAXARG >= 1 && (POPi & 0700))
673 DIE(aTHX_ "umask not implemented");
674 XPUSHs(&PL_sv_undef);
698 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
700 XPUSHs(SvTIED_obj((SV*)gv, mg));
705 call_method("BINMODE", G_SCALAR);
712 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
716 names = SvPV(discp,len);
719 if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp),
720 (discp) ? SvPV_nolen(discp) : Nullch))
734 I32 markoff = MARK - PL_stack_base;
741 switch(SvTYPE(varsv)) {
743 methname = "TIEHASH";
746 methname = "TIEARRAY";
749 methname = "TIEHANDLE";
753 methname = "TIESCALAR";
758 if (sv_isobject(*MARK)) {
760 PUSHSTACKi(PERLSI_MAGIC);
766 call_method(methname, G_SCALAR);
769 /* Not clear why we don't call call_method here too.
770 * perhaps to get different error message ?
772 stash = gv_stashsv(*MARK, FALSE);
773 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
774 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
775 methname, SvPV(*MARK,n_a));
778 PUSHSTACKi(PERLSI_MAGIC);
784 call_sv((SV*)GvCV(gv), G_SCALAR);
790 if (sv_isobject(sv)) {
791 sv_unmagic(varsv, how);
792 /* Croak if a self-tie on an aggregate is attempted. */
793 if (varsv == SvRV(sv) &&
794 (SvTYPE(sv) == SVt_PVAV ||
795 SvTYPE(sv) == SVt_PVHV))
797 "Self-ties of arrays and hashes are not supported");
798 sv_magic(varsv, sv, how, Nullch, 0);
801 SP = PL_stack_base + markoff;
810 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
813 if ((mg = SvTIED_mg(sv, how))) {
814 SV *obj = SvRV(mg->mg_obj);
817 if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
818 isGV(gv) && (cv = GvCV(gv))) {
820 XPUSHs(SvTIED_obj((SV*)gv, mg));
821 XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
824 call_sv((SV *)cv, G_VOID);
828 else if (ckWARN(WARN_UNTIE)) {
829 if (mg && SvREFCNT(obj) > 1)
830 Perl_warner(aTHX_ WARN_UNTIE,
831 "untie attempted while %"UVuf" inner references still exist",
832 (UV)SvREFCNT(obj) - 1 ) ;
843 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
846 if ((mg = SvTIED_mg(sv, how))) {
847 SV *osv = SvTIED_obj(sv, mg);
848 if (osv == mg->mg_obj)
849 osv = sv_mortalcopy(osv);
867 sv = sv_mortalcopy(&PL_sv_no);
868 sv_setpv(sv, "AnyDBM_File");
869 stash = gv_stashsv(sv, FALSE);
870 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
872 require_pv("AnyDBM_File.pm");
874 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
875 DIE(aTHX_ "No dbm on this machine");
885 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
887 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
890 call_sv((SV*)GvCV(gv), G_SCALAR);
893 if (!sv_isobject(TOPs)) {
898 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
901 call_sv((SV*)GvCV(gv), G_SCALAR);
905 if (sv_isobject(TOPs)) {
906 sv_unmagic((SV *) hv, 'P');
907 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
929 struct timeval timebuf;
930 struct timeval *tbuf = &timebuf;
934 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
939 # if BYTEORDER & 0xf0000
940 # define ORDERBYTE (0x88888888 - BYTEORDER)
942 # define ORDERBYTE (0x4444 - BYTEORDER)
948 for (i = 1; i <= 3; i++) {
956 /* little endians can use vecs directly */
957 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
958 # if SELECT_MIN_BITS > 1
959 /* If SELECT_MIN_BITS is greater than one we most probably will want
960 * to align the sizes with SELECT_MIN_BITS/8 because for example
961 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
962 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
963 * on (sets/tests/clears bits) is 32 bits. */
964 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
966 growsize = sizeof(fd_set);
975 masksize = NFDBITS / NBBY;
977 masksize = sizeof(long); /* documented int, everyone seems to use long */
979 growsize = maxlen + (masksize - (maxlen % masksize));
980 Zero(&fd_sets[0], 4, char*);
988 timebuf.tv_sec = (long)value;
989 value -= (NV)timebuf.tv_sec;
990 timebuf.tv_usec = (long)(value * 1000000.0);
993 tbuf = Null(struct timeval*);
995 for (i = 1; i <= 3; i++) {
1001 else if (!SvPOK(sv))
1002 SvPV_force(sv,n_a); /* force string conversion */
1005 Sv_Grow(sv, growsize);
1009 while (++j <= growsize) {
1013 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1015 New(403, fd_sets[i], growsize, char);
1016 for (offset = 0; offset < growsize; offset += masksize) {
1017 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1018 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1021 fd_sets[i] = SvPVX(sv);
1025 nfound = PerlSock_select(
1027 (Select_fd_set_t) fd_sets[1],
1028 (Select_fd_set_t) fd_sets[2],
1029 (Select_fd_set_t) fd_sets[3],
1031 for (i = 1; i <= 3; i++) {
1034 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1036 for (offset = 0; offset < growsize; offset += masksize) {
1037 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1038 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1040 Safefree(fd_sets[i]);
1047 if (GIMME == G_ARRAY && tbuf) {
1048 value = (NV)(timebuf.tv_sec) +
1049 (NV)(timebuf.tv_usec) / 1000000.0;
1050 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1051 sv_setnv(sv, value);
1055 DIE(aTHX_ "select not implemented");
1060 Perl_setdefout(pTHX_ GV *gv)
1063 (void)SvREFCNT_inc(gv);
1065 SvREFCNT_dec(PL_defoutgv);
1072 GV *newdefout, *egv;
1075 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1077 egv = GvEGV(PL_defoutgv);
1082 XPUSHs(&PL_sv_undef);
1084 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1085 if (gvp && *gvp == egv) {
1086 gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
1090 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1095 if (!GvIO(newdefout))
1096 gv_IOadd(newdefout);
1097 setdefout(newdefout);
1114 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1115 I32 gimme = GIMME_V;
1117 XPUSHs(SvTIED_obj((SV*)gv, mg));
1120 call_method("GETC", gimme);
1123 if (gimme == G_SCALAR)
1124 SvSetMagicSV_nosteal(TARG, TOPs);
1127 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1130 sv_setpv(TARG, " ");
1131 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1132 if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) {
1133 /* Find out how many bytes the char needs */
1134 Size_t len = UTF8SKIP(SvPVX(TARG));
1137 len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1);
1138 SvCUR_set(TARG,1+len);
1148 return pp_sysread();
1152 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1154 register PERL_CONTEXT *cx;
1155 I32 gimme = GIMME_V;
1156 AV* padlist = CvPADLIST(cv);
1157 SV** svp = AvARRAY(padlist);
1163 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1165 SAVEVPTR(PL_curpad);
1166 PL_curpad = AvARRAY((AV*)svp[1]);
1168 setdefout(gv); /* locally select filehandle so $% et al work */
1201 SV *tmpsv = sv_newmortal();
1202 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1203 name = SvPV_nolen(tmpsv);
1206 DIE(aTHX_ "Undefined format \"%s\" called", name);
1207 DIE(aTHX_ "Not a format reference");
1210 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1212 IoFLAGS(io) &= ~IOf_DIDTOP;
1213 return doform(cv,gv,PL_op->op_next);
1219 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1220 register IO *io = GvIOp(gv);
1221 PerlIO *ofp = IoOFP(io);
1225 register PERL_CONTEXT *cx;
1227 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1228 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1229 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1230 PL_formtarget != PL_toptarget)
1234 if (!IoTOP_GV(io)) {
1238 if (!IoTOP_NAME(io)) {
1239 if (!IoFMT_NAME(io))
1240 IoFMT_NAME(io) = savepv(GvNAME(gv));
1241 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1242 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1243 if ((topgv && GvFORM(topgv)) ||
1244 !gv_fetchpv("top",FALSE,SVt_PVFM))
1245 IoTOP_NAME(io) = savepv(SvPVX(topname));
1247 IoTOP_NAME(io) = savepv("top");
1249 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1250 if (!topgv || !GvFORM(topgv)) {
1251 IoLINES_LEFT(io) = 100000000;
1254 IoTOP_GV(io) = topgv;
1256 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1257 I32 lines = IoLINES_LEFT(io);
1258 char *s = SvPVX(PL_formtarget);
1259 if (lines <= 0) /* Yow, header didn't even fit!!! */
1261 while (lines-- > 0) {
1262 s = strchr(s, '\n');
1268 STRLEN save = SvCUR(PL_formtarget);
1269 SvCUR_set(PL_formtarget, s - SvPVX(PL_formtarget));
1270 do_print(PL_formtarget, ofp);
1271 SvCUR_set(PL_formtarget, save);
1272 sv_chop(PL_formtarget, s);
1273 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1276 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1277 do_print(PL_formfeed, ofp);
1278 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1280 PL_formtarget = PL_toptarget;
1281 IoFLAGS(io) |= IOf_DIDTOP;
1284 DIE(aTHX_ "bad top format reference");
1289 SV *sv = sv_newmortal();
1290 gv_efullname4(sv, fgv, Nullch, FALSE);
1291 name = SvPV_nolen(sv);
1294 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1297 DIE(aTHX_ "Undefined top format called");
1301 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1302 return doform(cv,gv,PL_op);
1306 POPBLOCK(cx,PL_curpm);
1312 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1314 /* integrate with report_evil_fh()? */
1317 SV* sv = sv_newmortal();
1318 gv_efullname4(sv, gv, Nullch, FALSE);
1319 name = SvPV_nolen(sv);
1322 Perl_warner(aTHX_ WARN_IO,
1323 "Filehandle %s opened only for input", name);
1325 Perl_warner(aTHX_ WARN_IO,
1326 "Filehandle opened only for input");
1328 else if (ckWARN(WARN_CLOSED))
1329 report_evil_fh(gv, io, PL_op->op_type);
1334 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1335 if (ckWARN(WARN_IO))
1336 Perl_warner(aTHX_ WARN_IO, "page overflow");
1338 if (!do_print(PL_formtarget, fp))
1341 FmLINES(PL_formtarget) = 0;
1342 SvCUR_set(PL_formtarget, 0);
1343 *SvEND(PL_formtarget) = '\0';
1344 if (IoFLAGS(io) & IOf_FLUSH)
1345 (void)PerlIO_flush(fp);
1349 PL_formtarget = PL_bodytarget;
1351 return pop_return();
1356 djSP; dMARK; dORIGMARK;
1364 if (PL_op->op_flags & OPf_STACKED)
1369 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1370 if (MARK == ORIGMARK) {
1373 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1377 *MARK = SvTIED_obj((SV*)gv, mg);
1380 call_method("PRINTF", G_SCALAR);
1383 MARK = ORIGMARK + 1;
1390 if (!(io = GvIO(gv))) {
1391 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1392 report_evil_fh(gv, io, PL_op->op_type);
1393 SETERRNO(EBADF,RMS$_IFI);
1396 else if (!(fp = IoOFP(io))) {
1397 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1398 /* integrate with report_evil_fh()? */
1402 gv_efullname4(sv, gv, Nullch, FALSE);
1403 name = SvPV_nolen(sv);
1406 Perl_warner(aTHX_ WARN_IO,
1407 "Filehandle %s opened only for input", name);
1409 Perl_warner(aTHX_ WARN_IO,
1410 "Filehandle opened only for input");
1412 else if (ckWARN(WARN_CLOSED))
1413 report_evil_fh(gv, io, PL_op->op_type);
1415 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1419 do_sprintf(sv, SP - MARK, MARK + 1);
1420 if (!do_print(sv, fp))
1423 if (IoFLAGS(io) & IOf_FLUSH)
1424 if (PerlIO_flush(fp) == EOF)
1435 PUSHs(&PL_sv_undef);
1456 /* Need TIEHANDLE method ? */
1458 tmps = SvPV(sv, len);
1459 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1460 IoLINES(GvIOp(gv)) = 0;
1464 PUSHs(&PL_sv_undef);
1471 djSP; dMARK; dORIGMARK; dTARGET;
1478 Sock_size_t bufsize;
1487 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1488 (mg = SvTIED_mg((SV*)gv, 'q')))
1493 *MARK = SvTIED_obj((SV*)gv, mg);
1495 call_method("READ", G_SCALAR);
1508 sv_setpvn(bufsv, "", 0);
1509 length = SvIVx(*++MARK);
1512 offset = SvIVx(*++MARK);
1516 if (!io || !IoIFP(io))
1518 if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTE) {
1519 buffer = SvPVutf8_force(bufsv, blen);
1520 /* UTF8 may not have been set if they are all low bytes */
1524 buffer = SvPV_force(bufsv, blen);
1527 DIE(aTHX_ "Negative length");
1531 if (PL_op->op_type == OP_RECV) {
1532 char namebuf[MAXPATHLEN];
1533 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1534 bufsize = sizeof (struct sockaddr_in);
1536 bufsize = sizeof namebuf;
1538 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1542 buffer = SvGROW(bufsv, length+1);
1543 /* 'offset' means 'flags' here */
1544 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1545 (struct sockaddr *)namebuf, &bufsize);
1548 SvCUR_set(bufsv, count);
1549 *SvEND(bufsv) = '\0';
1550 (void)SvPOK_only(bufsv);
1554 /* This should not be marked tainted if the fp is marked clean */
1555 if (!(IoFLAGS(io) & IOf_UNTAINT))
1556 SvTAINTED_on(bufsv);
1558 sv_setpvn(TARG, namebuf, bufsize);
1563 if (PL_op->op_type == OP_RECV)
1564 DIE(aTHX_ PL_no_sock_func, "recv");
1566 if (DO_UTF8(bufsv)) {
1567 /* offset adjust in characters not bytes */
1568 blen = sv_len_utf8(bufsv);
1572 DIE(aTHX_ "Offset outside string");
1575 if (DO_UTF8(bufsv)) {
1576 /* convert offset-as-chars to offset-as-bytes */
1577 offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer;
1580 bufsize = SvCUR(bufsv);
1581 buffer = SvGROW(bufsv, length+offset+1);
1582 if (offset > bufsize) { /* Zero any newly allocated space */
1583 Zero(buffer+bufsize, offset-bufsize, char);
1585 buffer = buffer + offset;
1587 if (PL_op->op_type == OP_SYSREAD) {
1588 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1589 if (IoTYPE(io) == IoTYPE_SOCKET) {
1590 count = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1596 count = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1601 #ifdef HAS_SOCKET__bad_code_maybe
1602 if (IoTYPE(io) == IoTYPE_SOCKET) {
1603 char namebuf[MAXPATHLEN];
1604 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1605 bufsize = sizeof (struct sockaddr_in);
1607 bufsize = sizeof namebuf;
1609 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0,
1610 (struct sockaddr *)namebuf, &bufsize);
1615 count = PerlIO_read(IoIFP(io), buffer, length);
1616 /* PerlIO_read() - like fread() returns 0 on both error and EOF */
1617 if (count == 0 && PerlIO_error(IoIFP(io)))
1621 if ((IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout()
1622 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1624 /* integrate with report_evil_fh()? */
1627 SV* sv = sv_newmortal();
1628 gv_efullname4(sv, gv, Nullch, FALSE);
1629 name = SvPV_nolen(sv);
1632 Perl_warner(aTHX_ WARN_IO,
1633 "Filehandle %s opened only for output", name);
1635 Perl_warner(aTHX_ WARN_IO,
1636 "Filehandle opened only for output");
1640 SvCUR_set(bufsv, count+(buffer - SvPVX(bufsv)));
1641 *SvEND(bufsv) = '\0';
1642 (void)SvPOK_only(bufsv);
1643 if (fp_utf8 && !IN_BYTE) {
1644 /* Look at utf8 we got back and count the characters */
1645 char *bend = buffer + count;
1646 while (buffer < bend) {
1647 STRLEN skip = UTF8SKIP(buffer);
1648 if (buffer+skip > bend) {
1649 /* partial character - try for rest of it */
1650 length = skip - (bend-buffer);
1651 offset = bend - SvPVX(bufsv);
1659 /* If we have not 'got' the number of _characters_ we 'wanted' get some more
1660 provided amount read (count) was what was requested (length)
1662 if (got < wanted && count == length) {
1663 length = (wanted-got);
1664 offset = bend - SvPVX(bufsv);
1667 /* return value is character count */
1672 /* This should not be marked tainted if the fp is marked clean */
1673 if (!(IoFLAGS(io) & IOf_UNTAINT))
1674 SvTAINTED_on(bufsv);
1687 int items = (SP - PL_stack_base) - TOPMARK;
1691 sv = sv_2mortal(newSViv(sv_len(*SP)));
1700 djSP; dMARK; dORIGMARK; dTARGET;
1711 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1715 *MARK = SvTIED_obj((SV*)gv, mg);
1717 call_method("WRITE", G_SCALAR);
1728 #if Size_t_size > IVSIZE
1729 length = (Size_t)SvNVx(*++MARK);
1731 length = (Size_t)SvIVx(*++MARK);
1733 if ((SSize_t)length < 0)
1734 DIE(aTHX_ "Negative length");
1737 if (!io || !IoIFP(io)) {
1739 if (ckWARN(WARN_CLOSED))
1740 report_evil_fh(gv, io, PL_op->op_type);
1744 if (PerlIO_isutf8(IoIFP(io))) {
1745 buffer = SvPVutf8(bufsv, blen);
1749 sv_utf8_downgrade(bufsv, FALSE);
1750 buffer = SvPV(bufsv, blen);
1753 if (PL_op->op_type == OP_SYSWRITE) {
1755 if (DO_UTF8(bufsv)) {
1756 /* length and offset are in chars */
1757 blen = sv_len_utf8(bufsv);
1760 offset = SvIVx(*++MARK);
1763 DIE(aTHX_ "Offset outside string");
1765 } else if (offset >= blen && blen > 0)
1766 DIE(aTHX_ "Offset outside string");
1769 if (length > blen - offset)
1770 length = blen - offset;
1771 if (DO_UTF8(bufsv)) {
1772 buffer = (char*)utf8_hop((U8 *)buffer, offset);
1773 length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer;
1776 buffer = buffer+offset;
1778 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1779 if (IoTYPE(io) == IoTYPE_SOCKET) {
1780 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1786 /* See the note at doio.c:do_print about filesize limits. --jhi */
1787 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1792 else if (SP > MARK) {
1795 sockbuf = SvPVx(*++MARK, mlen);
1796 /* length is really flags */
1797 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1798 length, (struct sockaddr *)sockbuf, mlen);
1801 /* length is really flags */
1802 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1805 DIE(aTHX_ PL_no_sock_func, "send");
1810 #if Size_t_size > IVSIZE
1824 return pp_sysread();
1834 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1836 gv = PL_last_in_gv = PL_argvgv;
1838 if (io && !IoIFP(io)) {
1839 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1841 IoFLAGS(io) &= ~IOf_START;
1842 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1843 sv_setpvn(GvSV(gv), "-", 1);
1844 SvSETMAGIC(GvSV(gv));
1846 else if (!nextargv(gv))
1851 gv = PL_last_in_gv; /* eof */
1854 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1856 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1858 XPUSHs(SvTIED_obj((SV*)gv, mg));
1861 call_method("EOF", G_SCALAR);
1867 PUSHs(boolSV(!gv || do_eof(gv)));
1880 gv = PL_last_in_gv = (GV*)POPs;
1882 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1884 XPUSHs(SvTIED_obj((SV*)gv, mg));
1887 call_method("TELL", G_SCALAR);
1893 #if LSEEKSIZE > IVSIZE
1894 PUSHn( do_tell(gv) );
1896 PUSHi( do_tell(gv) );
1903 return pp_sysseek();
1911 #if LSEEKSIZE > IVSIZE
1912 Off_t offset = (Off_t)SvNVx(POPs);
1914 Off_t offset = (Off_t)SvIVx(POPs);
1918 gv = PL_last_in_gv = (GV*)POPs;
1920 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1922 XPUSHs(SvTIED_obj((SV*)gv, mg));
1923 #if LSEEKSIZE > IVSIZE
1924 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1926 XPUSHs(sv_2mortal(newSViv(offset)));
1928 XPUSHs(sv_2mortal(newSViv(whence)));
1931 call_method("SEEK", G_SCALAR);
1937 if (PL_op->op_type == OP_SEEK)
1938 PUSHs(boolSV(do_seek(gv, offset, whence)));
1940 Off_t sought = do_sysseek(gv, offset, whence);
1942 PUSHs(&PL_sv_undef);
1945 #if LSEEKSIZE > IVSIZE
1950 : newSVpvn(zero_but_true, ZBTLEN);
1951 PUSHs(sv_2mortal(sv));
1960 /* There seems to be no consensus on the length type of truncate()
1961 * and ftruncate(), both off_t and size_t have supporters. In
1962 * general one would think that when using large files, off_t is
1963 * at least as wide as size_t, so using an off_t should be okay. */
1964 /* XXX Configure probe for the length type of *truncate() needed XXX */
1970 #if Size_t_size > IVSIZE
1975 /* Checking for length < 0 is problematic as the type might or
1976 * might not be signed: if it is not, clever compilers will moan. */
1977 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1979 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1980 if (PL_op->op_flags & OPf_SPECIAL) {
1981 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1983 TAINT_PROPER("truncate");
1984 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1987 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
1989 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1991 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
2001 if (SvTYPE(sv) == SVt_PVGV) {
2002 tmpgv = (GV*)sv; /* *main::FRED for example */
2005 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2006 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
2010 name = SvPV(sv, n_a);
2011 TAINT_PROPER("truncate");
2013 if (truncate(name, len) < 0)
2018 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
2021 if (my_chsize(tmpfd, len) < 0)
2023 PerlLIO_close(tmpfd);
2032 SETERRNO(EBADF,RMS$_IFI);
2035 DIE(aTHX_ "truncate not implemented");
2048 unsigned int func = U_I(POPn);
2049 int optype = PL_op->op_type;
2055 if (!io || !argsv || !IoIFP(io)) {
2056 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
2060 if (SvPOK(argsv) || !SvNIOK(argsv)) {
2063 s = SvPV_force(argsv, len);
2064 need = IOCPARM_LEN(func);
2066 s = Sv_Grow(argsv, need + 1);
2067 SvCUR_set(argsv, need);
2070 s[SvCUR(argsv)] = 17; /* a little sanity check here */
2073 retval = SvIV(argsv);
2074 s = INT2PTR(char*,retval); /* ouch */
2077 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
2079 if (optype == OP_IOCTL)
2081 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
2083 DIE(aTHX_ "ioctl is not implemented");
2087 #if defined(OS2) && defined(__EMX__)
2088 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
2090 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2093 DIE(aTHX_ "fcntl is not implemented");
2097 if (s[SvCUR(argsv)] != 17)
2098 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2099 PL_op_name[optype]);
2100 s[SvCUR(argsv)] = 0; /* put our null back */
2101 SvSETMAGIC(argsv); /* Assume it has changed */
2110 PUSHp(zero_but_true, ZBTLEN);
2130 if (gv && (io = GvIO(gv)))
2137 (void)PerlIO_flush(fp);
2138 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2141 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2142 report_evil_fh(gv, io, PL_op->op_type);
2144 SETERRNO(EBADF,RMS$_IFI);
2149 DIE(aTHX_ PL_no_func, "flock()");
2161 int protocol = POPi;
2169 SETERRNO(EBADF,LIB$_INVARG);
2175 do_close(gv, FALSE);
2177 TAINT_PROPER("socket");
2178 fd = PerlSock_socket(domain, type, protocol);
2181 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2182 IoOFP(io) = PerlIO_fdopen(fd, "w");
2183 IoTYPE(io) = IoTYPE_SOCKET;
2184 if (!IoIFP(io) || !IoOFP(io)) {
2185 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2186 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2187 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2190 #if defined(HAS_FCNTL) && defined(F_SETFD)
2191 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2196 DIE(aTHX_ PL_no_sock_func, "socket");
2203 #ifdef HAS_SOCKETPAIR
2208 int protocol = POPi;
2221 do_close(gv1, FALSE);
2223 do_close(gv2, FALSE);
2225 TAINT_PROPER("socketpair");
2226 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2228 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2229 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2230 IoTYPE(io1) = IoTYPE_SOCKET;
2231 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2232 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2233 IoTYPE(io2) = IoTYPE_SOCKET;
2234 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2235 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2236 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2237 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2238 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2239 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2240 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2243 #if defined(HAS_FCNTL) && defined(F_SETFD)
2244 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2245 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2250 DIE(aTHX_ PL_no_sock_func, "socketpair");
2258 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2259 extern GETPRIVMODE();
2260 extern GETUSERMODE();
2265 register IO *io = GvIOn(gv);
2269 int mpeprivmode = 0;
2272 if (!io || !IoIFP(io))
2275 addr = SvPV(addrsv, len);
2276 TAINT_PROPER("bind");
2277 #ifdef MPE /* Deal with MPE bind() peculiarities */
2278 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2279 /* The address *MUST* stupidly be zero. */
2280 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2281 /* PRIV mode is required to bind() to ports < 1024. */
2282 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2283 ((struct sockaddr_in *)addr)->sin_port > 0) {
2284 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2289 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2290 (struct sockaddr *)addr, len) >= 0)
2293 #ifdef MPE /* Switch back to USER mode */
2304 if (ckWARN(WARN_CLOSED))
2305 report_evil_fh(gv, io, PL_op->op_type);
2306 SETERRNO(EBADF,SS$_IVCHAN);
2309 DIE(aTHX_ PL_no_sock_func, "bind");
2320 register IO *io = GvIOn(gv);
2323 if (!io || !IoIFP(io))
2326 addr = SvPV(addrsv, len);
2327 TAINT_PROPER("connect");
2328 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2334 if (ckWARN(WARN_CLOSED))
2335 report_evil_fh(gv, io, PL_op->op_type);
2336 SETERRNO(EBADF,SS$_IVCHAN);
2339 DIE(aTHX_ PL_no_sock_func, "connect");
2349 register IO *io = GvIOn(gv);
2351 if (!io || !IoIFP(io))
2354 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2360 if (ckWARN(WARN_CLOSED))
2361 report_evil_fh(gv, io, PL_op->op_type);
2362 SETERRNO(EBADF,SS$_IVCHAN);
2365 DIE(aTHX_ PL_no_sock_func, "listen");
2377 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2378 Sock_size_t len = sizeof saddr;
2390 if (!gstio || !IoIFP(gstio))
2395 do_close(ngv, FALSE);
2397 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2400 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2401 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2402 IoTYPE(nstio) = IoTYPE_SOCKET;
2403 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2404 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2405 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2406 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2409 #if defined(HAS_FCNTL) && defined(F_SETFD)
2410 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2414 len = sizeof saddr; /* EPOC somehow truncates info */
2417 PUSHp((char *)&saddr, len);
2421 if (ckWARN(WARN_CLOSED))
2422 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2423 SETERRNO(EBADF,SS$_IVCHAN);
2429 DIE(aTHX_ PL_no_sock_func, "accept");
2439 register IO *io = GvIOn(gv);
2441 if (!io || !IoIFP(io))
2444 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2448 if (ckWARN(WARN_CLOSED))
2449 report_evil_fh(gv, io, PL_op->op_type);
2450 SETERRNO(EBADF,SS$_IVCHAN);
2453 DIE(aTHX_ PL_no_sock_func, "shutdown");
2460 return pp_ssockopt();
2462 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2470 int optype = PL_op->op_type;
2473 unsigned int optname;
2479 if (optype == OP_GSOCKOPT)
2480 sv = sv_2mortal(NEWSV(22, 257));
2483 optname = (unsigned int) POPi;
2484 lvl = (unsigned int) POPi;
2488 if (!io || !IoIFP(io))
2491 fd = PerlIO_fileno(IoIFP(io));
2495 (void)SvPOK_only(sv);
2499 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2514 aint = (int)SvIV(sv);
2518 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2527 if (ckWARN(WARN_CLOSED))
2528 report_evil_fh(gv, io, optype);
2529 SETERRNO(EBADF,SS$_IVCHAN);
2534 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2541 return pp_getpeername();
2543 DIE(aTHX_ PL_no_sock_func, "getsockname");
2551 int optype = PL_op->op_type;
2555 register IO *io = GvIOn(gv);
2558 if (!io || !IoIFP(io))
2561 sv = sv_2mortal(NEWSV(22, 257));
2562 (void)SvPOK_only(sv);
2566 fd = PerlIO_fileno(IoIFP(io));
2568 case OP_GETSOCKNAME:
2569 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2572 case OP_GETPEERNAME:
2573 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2575 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2577 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";
2578 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2579 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2580 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2581 sizeof(u_short) + sizeof(struct in_addr))) {
2588 #ifdef BOGUS_GETNAME_RETURN
2589 /* Interactive Unix, getpeername() and getsockname()
2590 does not return valid namelen */
2591 if (len == BOGUS_GETNAME_RETURN)
2592 len = sizeof(struct sockaddr);
2600 if (ckWARN(WARN_CLOSED))
2601 report_evil_fh(gv, io, optype);
2602 SETERRNO(EBADF,SS$_IVCHAN);
2607 DIE(aTHX_ PL_no_sock_func, "getpeername");
2626 if (PL_op->op_flags & OPf_REF) {
2628 if (PL_op->op_type == OP_LSTAT) {
2629 if (PL_laststype != OP_LSTAT)
2630 Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
2631 if (ckWARN(WARN_IO) && gv != PL_defgv)
2632 Perl_warner(aTHX_ WARN_IO,
2633 "lstat() on filehandle %s", GvENAME(gv));
2634 /* Perl_my_lstat (-l) croak's on filehandle, why warn here? */
2638 if (gv != PL_defgv) {
2639 PL_laststype = OP_STAT;
2641 sv_setpv(PL_statname, "");
2642 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2643 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2645 if (PL_laststatval < 0) {
2646 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2647 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2653 if (SvTYPE(sv) == SVt_PVGV) {
2657 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2661 sv_setpv(PL_statname, SvPV(sv,n_a));
2664 PL_laststype = PL_op->op_type;
2665 if (PL_op->op_type == OP_LSTAT)
2666 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2669 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2670 if (PL_laststatval < 0) {
2671 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2672 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2678 if (gimme != G_ARRAY) {
2679 if (gimme != G_VOID)
2680 XPUSHs(boolSV(max));
2686 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2687 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2688 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2689 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2690 #if Uid_t_size > IVSIZE
2691 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2693 # if Uid_t_sign <= 0
2694 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2696 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2699 #if Gid_t_size > IVSIZE
2700 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2702 # if Gid_t_sign <= 0
2703 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2705 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2708 #ifdef USE_STAT_RDEV
2709 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2711 PUSHs(sv_2mortal(newSVpvn("", 0)));
2713 #if Off_t_size > IVSIZE
2714 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2716 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2719 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2720 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2721 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2723 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2724 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2725 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2727 #ifdef USE_STAT_BLOCKS
2728 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2729 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2731 PUSHs(sv_2mortal(newSVpvn("", 0)));
2732 PUSHs(sv_2mortal(newSVpvn("", 0)));
2742 #if defined(HAS_ACCESS) && defined(R_OK)
2744 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2745 result = access(TOPpx, R_OK);
2760 if (cando(S_IRUSR, 0, &PL_statcache))
2769 #if defined(HAS_ACCESS) && defined(W_OK)
2771 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2772 result = access(TOPpx, W_OK);
2787 if (cando(S_IWUSR, 0, &PL_statcache))
2796 #if defined(HAS_ACCESS) && defined(X_OK)
2798 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2799 result = access(TOPpx, X_OK);
2814 if (cando(S_IXUSR, 0, &PL_statcache))
2823 #ifdef PERL_EFF_ACCESS_R_OK
2825 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2826 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2841 if (cando(S_IRUSR, 1, &PL_statcache))
2850 #ifdef PERL_EFF_ACCESS_W_OK
2852 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2853 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2868 if (cando(S_IWUSR, 1, &PL_statcache))
2877 #ifdef PERL_EFF_ACCESS_X_OK
2879 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2880 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2895 if (cando(S_IXUSR, 1, &PL_statcache))
2902 I32 result = my_stat();
2911 return pp_ftrowned();
2916 I32 result = my_stat();
2920 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2928 I32 result = my_stat();
2932 if (PL_statcache.st_size == 0)
2939 I32 result = my_stat();
2943 #if Off_t_size > IVSIZE
2944 PUSHn(PL_statcache.st_size);
2946 PUSHi(PL_statcache.st_size);
2953 I32 result = my_stat();
2957 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2963 I32 result = my_stat();
2967 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2973 I32 result = my_stat();
2977 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2983 I32 result = my_stat();
2987 if (S_ISSOCK(PL_statcache.st_mode))
2994 I32 result = my_stat();
2998 if (S_ISCHR(PL_statcache.st_mode))
3005 I32 result = my_stat();
3009 if (S_ISBLK(PL_statcache.st_mode))
3016 I32 result = my_stat();
3020 if (S_ISREG(PL_statcache.st_mode))
3027 I32 result = my_stat();
3031 if (S_ISDIR(PL_statcache.st_mode))
3038 I32 result = my_stat();
3042 if (S_ISFIFO(PL_statcache.st_mode))
3049 I32 result = my_lstat();
3053 if (S_ISLNK(PL_statcache.st_mode))
3062 I32 result = my_stat();
3066 if (PL_statcache.st_mode & S_ISUID)
3076 I32 result = my_stat();
3080 if (PL_statcache.st_mode & S_ISGID)
3090 I32 result = my_stat();
3094 if (PL_statcache.st_mode & S_ISVTX)
3105 char *tmps = Nullch;
3108 if (PL_op->op_flags & OPf_REF)
3110 else if (isGV(TOPs))
3112 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3113 gv = (GV*)SvRV(POPs);
3115 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3117 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3118 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3119 else if (tmps && isDIGIT(*tmps))
3123 if (PerlLIO_isatty(fd))
3128 #if defined(atarist) /* this will work with atariST. Configure will
3129 make guesses for other systems. */
3130 # define FILE_base(f) ((f)->_base)
3131 # define FILE_ptr(f) ((f)->_ptr)
3132 # define FILE_cnt(f) ((f)->_cnt)
3133 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3143 register STDCHAR *s;
3150 if (PL_op->op_flags & OPf_REF)
3152 else if (isGV(TOPs))
3154 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3155 gv = (GV*)SvRV(POPs);
3161 if (gv == PL_defgv) {
3163 io = GvIO(PL_statgv);
3166 goto really_filename;
3171 PL_laststatval = -1;
3172 sv_setpv(PL_statname, "");
3173 io = GvIO(PL_statgv);
3175 if (io && IoIFP(io)) {
3176 if (! PerlIO_has_base(IoIFP(io)))
3177 DIE(aTHX_ "-T and -B not implemented on filehandles");
3178 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3179 if (PL_laststatval < 0)
3181 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3182 if (PL_op->op_type == OP_FTTEXT)
3186 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3187 i = PerlIO_getc(IoIFP(io));
3189 (void)PerlIO_ungetc(IoIFP(io),i);
3191 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3193 len = PerlIO_get_bufsiz(IoIFP(io));
3194 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3195 /* sfio can have large buffers - limit to 512 */
3200 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3202 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3204 SETERRNO(EBADF,RMS$_IFI);
3212 PL_laststatval = -1;
3213 sv_setpv(PL_statname, SvPV(sv, n_a));
3214 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3215 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3216 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3219 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3220 if (PL_laststatval < 0) {
3221 (void)PerlIO_close(fp);
3224 PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch);
3225 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3226 (void)PerlIO_close(fp);
3228 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3229 RETPUSHNO; /* special case NFS directories */
3230 RETPUSHYES; /* null file is anything */
3235 /* now scan s to look for textiness */
3236 /* XXX ASCII dependent code */
3238 #if defined(DOSISH) || defined(USEMYBINMODE)
3239 /* ignore trailing ^Z on short files */
3240 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3244 for (i = 0; i < len; i++, s++) {
3245 if (!*s) { /* null never allowed in text */
3250 else if (!(isPRINT(*s) || isSPACE(*s)))
3253 else if (*s & 128) {
3255 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3258 /* utf8 characters don't count as odd */
3260 int ulen = UTF8SKIP(s);
3261 if (ulen < len - i) {
3263 for (j = 1; j < ulen; j++) {
3264 if ((s[j] & 0xc0) != 0x80)
3267 --ulen; /* loop does extra increment */
3277 *s != '\n' && *s != '\r' && *s != '\b' &&
3278 *s != '\t' && *s != '\f' && *s != 27)
3283 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3307 if (!tmps || !*tmps) {
3308 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3310 tmps = SvPV(*svp, n_a);
3312 if (!tmps || !*tmps) {
3313 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3315 tmps = SvPV(*svp, n_a);
3318 if (!tmps || !*tmps) {
3319 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3321 tmps = SvPV(*svp, n_a);
3324 TAINT_PROPER("chdir");
3325 PUSHi( PerlDir_chdir(tmps) >= 0 );
3327 /* Clear the DEFAULT element of ENV so we'll get the new value
3329 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3336 djSP; dMARK; dTARGET;
3339 value = (I32)apply(PL_op->op_type, MARK, SP);
3344 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3355 TAINT_PROPER("chroot");
3356 PUSHi( chroot(tmps) >= 0 );
3359 DIE(aTHX_ PL_no_func, "chroot");
3365 djSP; dMARK; dTARGET;
3367 value = (I32)apply(PL_op->op_type, MARK, SP);
3375 djSP; dMARK; dTARGET;
3377 value = (I32)apply(PL_op->op_type, MARK, SP);
3385 djSP; dMARK; dTARGET;
3387 value = (I32)apply(PL_op->op_type, MARK, SP);
3399 char *tmps2 = POPpx;
3400 char *tmps = SvPV(TOPs, n_a);
3401 TAINT_PROPER("rename");
3403 anum = PerlLIO_rename(tmps, tmps2);
3405 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3406 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3409 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3410 (void)UNLINK(tmps2);
3411 if (!(anum = link(tmps, tmps2)))
3412 anum = UNLINK(tmps);
3425 char *tmps2 = POPpx;
3426 char *tmps = SvPV(TOPs, n_a);
3427 TAINT_PROPER("link");
3428 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3430 DIE(aTHX_ PL_no_func, "Unsupported function link");
3440 char *tmps2 = POPpx;
3441 char *tmps = SvPV(TOPs, n_a);
3442 TAINT_PROPER("symlink");
3443 SETi( symlink(tmps, tmps2) >= 0 );
3446 DIE(aTHX_ PL_no_func, "symlink");
3455 char buf[MAXPATHLEN];
3459 #ifndef INCOMPLETE_TAINTS
3463 len = readlink(tmps, buf, sizeof buf);
3471 RETSETUNDEF; /* just pretend it's a normal file */
3475 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3477 S_dooneliner(pTHX_ char *cmd, char *filename)
3479 char *save_filename = filename;
3485 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3486 strcpy(cmdline, cmd);
3487 strcat(cmdline, " ");
3488 for (s = cmdline + strlen(cmdline); *filename; ) {
3493 myfp = PerlProc_popen(cmdline, "r");
3497 SV *tmpsv = sv_newmortal();
3498 /* Need to save/restore 'PL_rs' ?? */
3499 s = sv_gets(tmpsv, myfp, 0);
3500 (void)PerlProc_pclose(myfp);
3504 #ifdef HAS_SYS_ERRLIST
3509 /* you don't see this */
3511 #ifdef HAS_SYS_ERRLIST
3519 if (instr(s, errmsg)) {
3526 #define EACCES EPERM
3528 if (instr(s, "cannot make"))
3529 SETERRNO(EEXIST,RMS$_FEX);
3530 else if (instr(s, "existing file"))
3531 SETERRNO(EEXIST,RMS$_FEX);
3532 else if (instr(s, "ile exists"))
3533 SETERRNO(EEXIST,RMS$_FEX);
3534 else if (instr(s, "non-exist"))
3535 SETERRNO(ENOENT,RMS$_FNF);
3536 else if (instr(s, "does not exist"))
3537 SETERRNO(ENOENT,RMS$_FNF);
3538 else if (instr(s, "not empty"))
3539 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3540 else if (instr(s, "cannot access"))
3541 SETERRNO(EACCES,RMS$_PRV);
3543 SETERRNO(EPERM,RMS$_PRV);
3546 else { /* some mkdirs return no failure indication */
3547 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3548 if (PL_op->op_type == OP_RMDIR)
3553 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3577 tmps = SvPV(TOPs, n_a);
3579 TAINT_PROPER("mkdir");
3581 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3583 SETi( dooneliner("mkdir", tmps) );
3584 oldumask = PerlLIO_umask(0);
3585 PerlLIO_umask(oldumask);
3586 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3598 TAINT_PROPER("rmdir");
3600 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3602 XPUSHi( dooneliner("rmdir", tmps) );
3607 /* Directory calls. */
3612 #if defined(Direntry_t) && defined(HAS_READDIR)
3614 char *dirname = POPpx;
3616 register IO *io = GvIOn(gv);
3622 PerlDir_close(IoDIRP(io));
3623 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3629 SETERRNO(EBADF,RMS$_DIR);
3632 DIE(aTHX_ PL_no_dir_func, "opendir");
3639 #if defined(Direntry_t) && defined(HAS_READDIR)
3641 Direntry_t *readdir (DIR *);
3643 register Direntry_t *dp;
3645 register IO *io = GvIOn(gv);
3648 if (!io || !IoDIRP(io))
3651 if (GIMME == G_ARRAY) {
3653 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3655 sv = newSVpvn(dp->d_name, dp->d_namlen);
3657 sv = newSVpv(dp->d_name, 0);
3659 #ifndef INCOMPLETE_TAINTS
3660 if (!(IoFLAGS(io) & IOf_UNTAINT))
3663 XPUSHs(sv_2mortal(sv));
3667 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3670 sv = newSVpvn(dp->d_name, dp->d_namlen);
3672 sv = newSVpv(dp->d_name, 0);
3674 #ifndef INCOMPLETE_TAINTS
3675 if (!(IoFLAGS(io) & IOf_UNTAINT))
3678 XPUSHs(sv_2mortal(sv));
3684 SETERRNO(EBADF,RMS$_ISI);
3685 if (GIMME == G_ARRAY)
3690 DIE(aTHX_ PL_no_dir_func, "readdir");
3697 #if defined(HAS_TELLDIR) || defined(telldir)
3698 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3699 /* XXX netbsd still seemed to.
3700 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3701 --JHI 1999-Feb-02 */
3702 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3703 long telldir (DIR *);
3706 register IO *io = GvIOn(gv);
3708 if (!io || !IoDIRP(io))
3711 PUSHi( PerlDir_tell(IoDIRP(io)) );
3715 SETERRNO(EBADF,RMS$_ISI);
3718 DIE(aTHX_ PL_no_dir_func, "telldir");
3725 #if defined(HAS_SEEKDIR) || defined(seekdir)
3728 register IO *io = GvIOn(gv);
3730 if (!io || !IoDIRP(io))
3733 (void)PerlDir_seek(IoDIRP(io), along);
3738 SETERRNO(EBADF,RMS$_ISI);
3741 DIE(aTHX_ PL_no_dir_func, "seekdir");
3748 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3750 register IO *io = GvIOn(gv);
3752 if (!io || !IoDIRP(io))
3755 (void)PerlDir_rewind(IoDIRP(io));
3759 SETERRNO(EBADF,RMS$_ISI);
3762 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3769 #if defined(Direntry_t) && defined(HAS_READDIR)
3771 register IO *io = GvIOn(gv);
3773 if (!io || !IoDIRP(io))
3776 #ifdef VOID_CLOSEDIR
3777 PerlDir_close(IoDIRP(io));
3779 if (PerlDir_close(IoDIRP(io)) < 0) {
3780 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3789 SETERRNO(EBADF,RMS$_IFI);
3792 DIE(aTHX_ PL_no_dir_func, "closedir");
3796 /* Process control. */
3806 PERL_FLUSHALL_FOR_CHILD;
3812 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3813 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3814 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3819 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3824 PERL_FLUSHALL_FOR_CHILD;
3825 childpid = PerlProc_fork();
3831 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3838 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3843 childpid = wait4pid(-1, &argflags, 0);
3844 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3845 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3846 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3848 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3853 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3859 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3867 childpid = wait4pid(childpid, &argflags, optype);
3868 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3869 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3870 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3872 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3877 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3883 djSP; dMARK; dORIGMARK; dTARGET;
3888 Sigsave_t ihand,qhand; /* place to save signals during system() */
3893 if (SP - MARK == 1) {
3895 char *junk = SvPV(TOPs, n_a);
3897 TAINT_PROPER("system");
3900 PERL_FLUSHALL_FOR_CHILD;
3901 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3902 if (PerlProc_pipe(pp) >= 0)
3904 while ((childpid = vfork()) == -1) {
3905 if (errno != EAGAIN) {
3910 PerlLIO_close(pp[0]);
3911 PerlLIO_close(pp[1]);
3919 PerlLIO_close(pp[1]);
3921 rsignal_save(SIGINT, SIG_IGN, &ihand);
3922 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3925 result = wait4pid(childpid, &status, 0);
3926 } while (result == -1 && errno == EINTR);
3928 (void)rsignal_restore(SIGINT, &ihand);
3929 (void)rsignal_restore(SIGQUIT, &qhand);
3931 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3932 do_execfree(); /* free any memory child malloced on vfork */
3938 while (n < sizeof(int)) {
3939 n1 = PerlLIO_read(pp[0],
3940 (void*)(((char*)&errkid)+n),
3946 PerlLIO_close(pp[0]);
3947 if (n) { /* Error */
3948 if (n != sizeof(int))
3949 DIE(aTHX_ "panic: kid popen errno read");
3950 errno = errkid; /* Propagate errno from kid */
3951 STATUS_CURRENT = -1;
3954 PUSHi(STATUS_CURRENT);
3958 PerlLIO_close(pp[0]);
3959 #if defined(HAS_FCNTL) && defined(F_SETFD)
3960 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3963 if (PL_op->op_flags & OPf_STACKED) {
3964 SV *really = *++MARK;
3965 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3967 else if (SP - MARK != 1)
3968 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3970 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3973 #else /* ! FORK or VMS or OS/2 */
3976 if (PL_op->op_flags & OPf_STACKED) {
3977 SV *really = *++MARK;
3978 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3980 else if (SP - MARK != 1)
3981 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3983 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3985 if (PL_statusvalue == -1) /* hint that value must be returned as is */
3987 STATUS_NATIVE_SET(value);
3990 PUSHi(result ? value : STATUS_CURRENT);
3991 #endif /* !FORK or VMS */
3997 djSP; dMARK; dORIGMARK; dTARGET;
4001 PERL_FLUSHALL_FOR_CHILD;
4002 if (PL_op->op_flags & OPf_STACKED) {
4003 SV *really = *++MARK;
4004 value = (I32)do_aexec(really, MARK, SP);
4006 else if (SP - MARK != 1)
4008 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
4012 (void ) do_aspawn(Nullsv, MARK, SP);
4016 value = (I32)do_aexec(Nullsv, MARK, SP);
4021 char *junk = SvPV(*SP, n_a);
4023 TAINT_PROPER("exec");
4026 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4029 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
4032 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4037 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
4049 djSP; dMARK; dTARGET;
4052 value = (I32)apply(PL_op->op_type, MARK, SP);
4057 DIE(aTHX_ PL_no_func, "Unsupported function kill");
4065 XPUSHi( getppid() );
4068 DIE(aTHX_ PL_no_func, "getppid");
4084 pgrp = (I32)BSD_GETPGRP(pid);
4086 if (pid != 0 && pid != PerlProc_getpid())
4087 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4093 DIE(aTHX_ PL_no_func, "getpgrp()");
4112 TAINT_PROPER("setpgrp");
4114 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4116 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4117 || (pid != 0 && pid != PerlProc_getpid()))
4119 DIE(aTHX_ "setpgrp can't take arguments");
4121 SETi( setpgrp() >= 0 );
4122 #endif /* USE_BSDPGRP */
4125 DIE(aTHX_ PL_no_func, "setpgrp()");
4134 #ifdef HAS_GETPRIORITY
4137 SETi( getpriority(which, who) );
4140 DIE(aTHX_ PL_no_func, "getpriority()");
4150 #ifdef HAS_SETPRIORITY
4154 TAINT_PROPER("setpriority");
4155 SETi( setpriority(which, who, niceval) >= 0 );
4158 DIE(aTHX_ PL_no_func, "setpriority()");
4168 XPUSHn( time(Null(Time_t*)) );
4170 XPUSHi( time(Null(Time_t*)) );
4175 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4176 to HZ. Probably. For now, assume that if the system
4177 defines HZ, it does so correctly. (Will this break
4179 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4180 it's supported. --AD 9/96.
4196 DIE(aTHX_ "times not implemented");
4201 (void)PerlProc_times(&PL_timesbuf);
4203 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4204 /* struct tms, though same data */
4208 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4209 if (GIMME == G_ARRAY) {
4210 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4211 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4212 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4215 #endif /* HAS_TIMES */
4228 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4229 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4230 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4236 when = (Time_t)SvNVx(POPs);
4238 when = (Time_t)SvIVx(POPs);
4241 if (PL_op->op_type == OP_LOCALTIME)
4242 tmbuf = localtime(&when);
4244 tmbuf = gmtime(&when);
4248 if (GIMME != G_ARRAY) {
4252 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4253 dayname[tmbuf->tm_wday],
4254 monname[tmbuf->tm_mon],
4259 tmbuf->tm_year + 1900);
4260 PUSHs(sv_2mortal(tsv));
4263 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4264 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4265 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4266 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4267 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4268 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4269 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4270 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4271 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4282 anum = alarm((unsigned int)anum);
4289 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4300 (void)time(&lasttime);
4305 PerlProc_sleep((unsigned int)duration);
4308 XPUSHi(when - lasttime);
4312 /* Shared memory. */
4326 return pp_shmwrite();
4331 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4332 djSP; dMARK; dTARGET;
4333 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4342 /* Message passing. */
4356 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4357 djSP; dMARK; dTARGET;
4358 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4369 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4370 djSP; dMARK; dTARGET;
4371 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4384 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4385 djSP; dMARK; dTARGET;
4386 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4393 DIE(aTHX_ "System V IPC is not implemented on this machine");
4399 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4400 djSP; dMARK; dTARGET;
4401 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4409 PUSHp(zero_but_true, ZBTLEN);
4419 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4420 djSP; dMARK; dTARGET;
4421 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4430 /* Get system info. */
4434 #ifdef HAS_GETHOSTBYNAME
4435 return pp_ghostent();
4437 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4443 #ifdef HAS_GETHOSTBYADDR
4444 return pp_ghostent();
4446 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4453 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4454 I32 which = PL_op->op_type;
4455 register char **elem;
4457 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4458 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4459 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4460 struct hostent *PerlSock_gethostent(void);
4462 struct hostent *hent;
4467 if (which == OP_GHBYNAME)
4468 #ifdef HAS_GETHOSTBYNAME
4469 hent = PerlSock_gethostbyname(POPpx);
4471 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4473 else if (which == OP_GHBYADDR) {
4474 #ifdef HAS_GETHOSTBYADDR
4475 int addrtype = POPi;
4478 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4480 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4482 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4486 #ifdef HAS_GETHOSTENT
4487 hent = PerlSock_gethostent();
4489 DIE(aTHX_ PL_no_sock_func, "gethostent");
4492 #ifdef HOST_NOT_FOUND
4494 STATUS_NATIVE_SET(h_errno);
4497 if (GIMME != G_ARRAY) {
4498 PUSHs(sv = sv_newmortal());
4500 if (which == OP_GHBYNAME) {
4502 sv_setpvn(sv, hent->h_addr, hent->h_length);
4505 sv_setpv(sv, (char*)hent->h_name);
4511 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4512 sv_setpv(sv, (char*)hent->h_name);
4513 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4514 for (elem = hent->h_aliases; elem && *elem; elem++) {
4515 sv_catpv(sv, *elem);
4517 sv_catpvn(sv, " ", 1);
4519 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4520 sv_setiv(sv, (IV)hent->h_addrtype);
4521 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4522 len = hent->h_length;
4523 sv_setiv(sv, (IV)len);
4525 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4526 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4527 sv_setpvn(sv, *elem, len);
4530 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4532 sv_setpvn(sv, hent->h_addr, len);
4537 DIE(aTHX_ PL_no_sock_func, "gethostent");
4543 #ifdef HAS_GETNETBYNAME
4544 return pp_gnetent();
4546 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4552 #ifdef HAS_GETNETBYADDR
4553 return pp_gnetent();
4555 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4562 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4563 I32 which = PL_op->op_type;
4564 register char **elem;
4566 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4567 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4568 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4569 struct netent *PerlSock_getnetent(void);
4571 struct netent *nent;
4574 if (which == OP_GNBYNAME)
4575 #ifdef HAS_GETNETBYNAME
4576 nent = PerlSock_getnetbyname(POPpx);
4578 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4580 else if (which == OP_GNBYADDR) {
4581 #ifdef HAS_GETNETBYADDR
4582 int addrtype = POPi;
4583 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4584 nent = PerlSock_getnetbyaddr(addr, addrtype);
4586 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4590 #ifdef HAS_GETNETENT
4591 nent = PerlSock_getnetent();
4593 DIE(aTHX_ PL_no_sock_func, "getnetent");
4597 if (GIMME != G_ARRAY) {
4598 PUSHs(sv = sv_newmortal());
4600 if (which == OP_GNBYNAME)
4601 sv_setiv(sv, (IV)nent->n_net);
4603 sv_setpv(sv, nent->n_name);
4609 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4610 sv_setpv(sv, nent->n_name);
4611 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4612 for (elem = nent->n_aliases; elem && *elem; elem++) {
4613 sv_catpv(sv, *elem);
4615 sv_catpvn(sv, " ", 1);
4617 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4618 sv_setiv(sv, (IV)nent->n_addrtype);
4619 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4620 sv_setiv(sv, (IV)nent->n_net);
4625 DIE(aTHX_ PL_no_sock_func, "getnetent");
4631 #ifdef HAS_GETPROTOBYNAME
4632 return pp_gprotoent();
4634 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4640 #ifdef HAS_GETPROTOBYNUMBER
4641 return pp_gprotoent();
4643 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4650 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4651 I32 which = PL_op->op_type;
4652 register char **elem;
4654 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4655 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4656 struct protoent *PerlSock_getprotobynumber(int);
4657 struct protoent *PerlSock_getprotoent(void);
4659 struct protoent *pent;
4662 if (which == OP_GPBYNAME)
4663 #ifdef HAS_GETPROTOBYNAME
4664 pent = PerlSock_getprotobyname(POPpx);
4666 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4668 else if (which == OP_GPBYNUMBER)
4669 #ifdef HAS_GETPROTOBYNUMBER
4670 pent = PerlSock_getprotobynumber(POPi);
4672 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4675 #ifdef HAS_GETPROTOENT
4676 pent = PerlSock_getprotoent();
4678 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4682 if (GIMME != G_ARRAY) {
4683 PUSHs(sv = sv_newmortal());
4685 if (which == OP_GPBYNAME)
4686 sv_setiv(sv, (IV)pent->p_proto);
4688 sv_setpv(sv, pent->p_name);
4694 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4695 sv_setpv(sv, pent->p_name);
4696 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4697 for (elem = pent->p_aliases; elem && *elem; elem++) {
4698 sv_catpv(sv, *elem);
4700 sv_catpvn(sv, " ", 1);
4702 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4703 sv_setiv(sv, (IV)pent->p_proto);
4708 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4714 #ifdef HAS_GETSERVBYNAME
4715 return pp_gservent();
4717 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4723 #ifdef HAS_GETSERVBYPORT
4724 return pp_gservent();
4726 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4733 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4734 I32 which = PL_op->op_type;
4735 register char **elem;
4737 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4738 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4739 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4740 struct servent *PerlSock_getservent(void);
4742 struct servent *sent;
4745 if (which == OP_GSBYNAME) {
4746 #ifdef HAS_GETSERVBYNAME
4747 char *proto = POPpx;
4750 if (proto && !*proto)
4753 sent = PerlSock_getservbyname(name, proto);
4755 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4758 else if (which == OP_GSBYPORT) {
4759 #ifdef HAS_GETSERVBYPORT
4760 char *proto = POPpx;
4761 unsigned short port = POPu;
4764 port = PerlSock_htons(port);
4766 sent = PerlSock_getservbyport(port, proto);
4768 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4772 #ifdef HAS_GETSERVENT
4773 sent = PerlSock_getservent();
4775 DIE(aTHX_ PL_no_sock_func, "getservent");
4779 if (GIMME != G_ARRAY) {
4780 PUSHs(sv = sv_newmortal());
4782 if (which == OP_GSBYNAME) {
4784 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4786 sv_setiv(sv, (IV)(sent->s_port));
4790 sv_setpv(sv, sent->s_name);
4796 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4797 sv_setpv(sv, sent->s_name);
4798 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4799 for (elem = sent->s_aliases; elem && *elem; elem++) {
4800 sv_catpv(sv, *elem);
4802 sv_catpvn(sv, " ", 1);
4804 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4806 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4808 sv_setiv(sv, (IV)(sent->s_port));
4810 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4811 sv_setpv(sv, sent->s_proto);
4816 DIE(aTHX_ PL_no_sock_func, "getservent");
4823 #ifdef HAS_SETHOSTENT
4824 PerlSock_sethostent(TOPi);
4827 DIE(aTHX_ PL_no_sock_func, "sethostent");
4834 #ifdef HAS_SETNETENT
4835 PerlSock_setnetent(TOPi);
4838 DIE(aTHX_ PL_no_sock_func, "setnetent");
4845 #ifdef HAS_SETPROTOENT
4846 PerlSock_setprotoent(TOPi);
4849 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4856 #ifdef HAS_SETSERVENT
4857 PerlSock_setservent(TOPi);
4860 DIE(aTHX_ PL_no_sock_func, "setservent");
4867 #ifdef HAS_ENDHOSTENT
4868 PerlSock_endhostent();
4872 DIE(aTHX_ PL_no_sock_func, "endhostent");
4879 #ifdef HAS_ENDNETENT
4880 PerlSock_endnetent();
4884 DIE(aTHX_ PL_no_sock_func, "endnetent");
4891 #ifdef HAS_ENDPROTOENT
4892 PerlSock_endprotoent();
4896 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4903 #ifdef HAS_ENDSERVENT
4904 PerlSock_endservent();
4908 DIE(aTHX_ PL_no_sock_func, "endservent");
4917 DIE(aTHX_ PL_no_func, "getpwnam");
4926 DIE(aTHX_ PL_no_func, "getpwuid");
4934 I32 which = PL_op->op_type;
4937 struct passwd *pwent = NULL;
4939 * We currently support only the SysV getsp* shadow password interface.
4940 * The interface is declared in <shadow.h> and often one needs to link
4941 * with -lsecurity or some such.
4942 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
4945 * AIX getpwnam() is clever enough to return the encrypted password
4946 * only if the caller (euid?) is root.
4948 * There are at least two other shadow password APIs. Many platforms
4949 * seem to contain more than one interface for accessing the shadow
4950 * password databases, possibly for compatibility reasons.
4951 * The getsp*() is by far he simplest one, the other two interfaces
4952 * are much more complicated, but also very similar to each other.
4957 * struct pr_passwd *getprpw*();
4958 * The password is in
4959 * char getprpw*(...).ufld.fd_encrypt[]
4960 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
4965 * struct es_passwd *getespw*();
4966 * The password is in
4967 * char *(getespw*(...).ufld.fd_encrypt)
4968 * Mention HAS_GETESPWNAM here so that Configure probes for it.
4970 * Mention I_PROT here so that Configure probes for it.
4972 * In HP-UX for getprpw*() the manual page claims that one should include
4973 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
4974 * if one includes <shadow.h> as that includes <hpsecurity.h>,
4975 * and pp_sys.c already includes <shadow.h> if there is such.
4977 * Note that <sys/security.h> is already probed for, but currently
4978 * it is only included in special cases.
4980 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
4981 * be preferred interface, even though also the getprpw*() interface
4982 * is available) one needs to link with -lsecurity -ldb -laud -lm.
4983 * One also needs to call set_auth_parameters() in main() before
4984 * doing anything else, whether one is using getespw*() or getprpw*().
4986 * Note that accessing the shadow databases can be magnitudes
4987 * slower than accessing the standard databases.
4994 pwent = getpwnam(POPpx);
4997 pwent = getpwuid((Uid_t)POPi);
5000 # ifdef HAS_GETPWENT
5003 DIE(aTHX_ PL_no_func, "getpwent");
5009 if (GIMME != G_ARRAY) {
5010 PUSHs(sv = sv_newmortal());
5012 if (which == OP_GPWNAM)
5013 # if Uid_t_sign <= 0
5014 sv_setiv(sv, (IV)pwent->pw_uid);
5016 sv_setuv(sv, (UV)pwent->pw_uid);
5019 sv_setpv(sv, pwent->pw_name);
5025 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5026 sv_setpv(sv, pwent->pw_name);
5028 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5030 /* If we have getspnam(), we try to dig up the shadow
5031 * password. If we are underprivileged, the shadow
5032 * interface will set the errno to EACCES or similar,
5033 * and return a null pointer. If this happens, we will
5034 * use the dummy password (usually "*" or "x") from the
5035 * standard password database.
5037 * In theory we could skip the shadow call completely
5038 * if euid != 0 but in practice we cannot know which
5039 * security measures are guarding the shadow databases
5040 * on a random platform.
5042 * Resist the urge to use additional shadow interfaces.
5043 * Divert the urge to writing an extension instead.
5046 # ifdef HAS_GETSPNAM
5048 struct spwd *spwent;
5049 int saverrno; /* Save and restore errno so that
5050 * underprivileged attempts seem
5051 * to have never made the unsccessful
5052 * attempt to retrieve the shadow password. */
5055 spwent = getspnam(pwent->pw_name);
5057 if (spwent && spwent->sp_pwdp)
5058 sv_setpv(sv, spwent->sp_pwdp);
5062 if (!SvPOK(sv)) /* Use the standard password, then. */
5063 sv_setpv(sv, pwent->pw_passwd);
5066 # ifndef INCOMPLETE_TAINTS
5067 /* passwd is tainted because user himself can diddle with it.
5068 * admittedly not much and in a very limited way, but nevertheless. */
5072 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5073 # if Uid_t_sign <= 0
5074 sv_setiv(sv, (IV)pwent->pw_uid);
5076 sv_setuv(sv, (UV)pwent->pw_uid);
5079 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5080 # if Uid_t_sign <= 0
5081 sv_setiv(sv, (IV)pwent->pw_gid);
5083 sv_setuv(sv, (UV)pwent->pw_gid);
5085 /* pw_change, pw_quota, and pw_age are mutually exclusive--
5086 * because of the poor interface of the Perl getpw*(),
5087 * not because there's some standard/convention saying so.
5088 * A better interface would have been to return a hash,
5089 * but we are accursed by our history, alas. --jhi. */
5090 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5092 sv_setiv(sv, (IV)pwent->pw_change);
5095 sv_setiv(sv, (IV)pwent->pw_quota);
5098 sv_setpv(sv, pwent->pw_age);
5103 /* pw_class and pw_comment are mutually exclusive--.
5104 * see the above note for pw_change, pw_quota, and pw_age. */
5105 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5107 sv_setpv(sv, pwent->pw_class);
5110 sv_setpv(sv, pwent->pw_comment);
5114 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5116 sv_setpv(sv, pwent->pw_gecos);
5118 # ifndef INCOMPLETE_TAINTS
5119 /* pw_gecos is tainted because user himself can diddle with it. */
5123 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5124 sv_setpv(sv, pwent->pw_dir);
5126 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5127 sv_setpv(sv, pwent->pw_shell);
5128 # ifndef INCOMPLETE_TAINTS
5129 /* pw_shell is tainted because user himself can diddle with it. */
5134 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5135 sv_setiv(sv, (IV)pwent->pw_expire);
5140 DIE(aTHX_ PL_no_func, "getpwent");
5147 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5151 DIE(aTHX_ PL_no_func, "setpwent");
5158 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5162 DIE(aTHX_ PL_no_func, "endpwent");
5171 DIE(aTHX_ PL_no_func, "getgrnam");
5180 DIE(aTHX_ PL_no_func, "getgrgid");
5188 I32 which = PL_op->op_type;
5189 register char **elem;
5191 struct group *grent;
5194 if (which == OP_GGRNAM)
5195 grent = (struct group *)getgrnam(POPpx);
5196 else if (which == OP_GGRGID)
5197 grent = (struct group *)getgrgid(POPi);
5200 grent = (struct group *)getgrent();
5202 DIE(aTHX_ PL_no_func, "getgrent");
5206 if (GIMME != G_ARRAY) {
5207 PUSHs(sv = sv_newmortal());
5209 if (which == OP_GGRNAM)
5210 sv_setiv(sv, (IV)grent->gr_gid);
5212 sv_setpv(sv, grent->gr_name);
5218 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5219 sv_setpv(sv, grent->gr_name);
5221 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5223 sv_setpv(sv, grent->gr_passwd);
5226 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5227 sv_setiv(sv, (IV)grent->gr_gid);
5229 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5230 for (elem = grent->gr_mem; elem && *elem; elem++) {
5231 sv_catpv(sv, *elem);
5233 sv_catpvn(sv, " ", 1);
5239 DIE(aTHX_ PL_no_func, "getgrent");
5246 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5250 DIE(aTHX_ PL_no_func, "setgrent");
5257 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5261 DIE(aTHX_ PL_no_func, "endgrent");
5271 if (!(tmps = PerlProc_getlogin()))
5273 PUSHp(tmps, strlen(tmps));
5276 DIE(aTHX_ PL_no_func, "getlogin");
5280 /* Miscellaneous. */
5285 djSP; dMARK; dORIGMARK; dTARGET;
5286 register I32 items = SP - MARK;
5287 unsigned long a[20];
5293 while (++MARK <= SP) {
5294 if (SvTAINTED(*MARK)) {
5300 TAINT_PROPER("syscall");
5303 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5304 * or where sizeof(long) != sizeof(char*). But such machines will
5305 * not likely have syscall implemented either, so who cares?
5307 while (++MARK <= SP) {
5308 if (SvNIOK(*MARK) || !i)
5309 a[i++] = SvIV(*MARK);
5310 else if (*MARK == &PL_sv_undef)
5313 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5319 DIE(aTHX_ "Too many args to syscall");
5321 DIE(aTHX_ "Too few args to syscall");
5323 retval = syscall(a[0]);
5326 retval = syscall(a[0],a[1]);
5329 retval = syscall(a[0],a[1],a[2]);
5332 retval = syscall(a[0],a[1],a[2],a[3]);
5335 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5338 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5341 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5344 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5348 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5351 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5354 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5358 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5362 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5366 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5367 a[10],a[11],a[12],a[13]);
5369 #endif /* atarist */
5375 DIE(aTHX_ PL_no_func, "syscall");
5379 #ifdef FCNTL_EMULATE_FLOCK
5381 /* XXX Emulate flock() with fcntl().
5382 What's really needed is a good file locking module.
5386 fcntl_emulate_flock(int fd, int operation)
5390 switch (operation & ~LOCK_NB) {
5392 flock.l_type = F_RDLCK;
5395 flock.l_type = F_WRLCK;
5398 flock.l_type = F_UNLCK;
5404 flock.l_whence = SEEK_SET;
5405 flock.l_start = flock.l_len = (Off_t)0;
5407 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5410 #endif /* FCNTL_EMULATE_FLOCK */
5412 #ifdef LOCKF_EMULATE_FLOCK
5414 /* XXX Emulate flock() with lockf(). This is just to increase
5415 portability of scripts. The calls are not completely
5416 interchangeable. What's really needed is a good file
5420 /* The lockf() constants might have been defined in <unistd.h>.
5421 Unfortunately, <unistd.h> causes troubles on some mixed
5422 (BSD/POSIX) systems, such as SunOS 4.1.3.
5424 Further, the lockf() constants aren't POSIX, so they might not be
5425 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5426 just stick in the SVID values and be done with it. Sigh.
5430 # define F_ULOCK 0 /* Unlock a previously locked region */
5433 # define F_LOCK 1 /* Lock a region for exclusive use */
5436 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5439 # define F_TEST 3 /* Test a region for other processes locks */
5443 lockf_emulate_flock(int fd, int operation)
5449 /* flock locks entire file so for lockf we need to do the same */
5451 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5452 if (pos > 0) /* is seekable and needs to be repositioned */
5453 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5454 pos = -1; /* seek failed, so don't seek back afterwards */
5457 switch (operation) {
5459 /* LOCK_SH - get a shared lock */
5461 /* LOCK_EX - get an exclusive lock */
5463 i = lockf (fd, F_LOCK, 0);
5466 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5467 case LOCK_SH|LOCK_NB:
5468 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5469 case LOCK_EX|LOCK_NB:
5470 i = lockf (fd, F_TLOCK, 0);
5472 if ((errno == EAGAIN) || (errno == EACCES))
5473 errno = EWOULDBLOCK;
5476 /* LOCK_UN - unlock (non-blocking is a no-op) */
5478 case LOCK_UN|LOCK_NB:
5479 i = lockf (fd, F_ULOCK, 0);
5482 /* Default - can't decipher operation */
5489 if (pos > 0) /* need to restore position of the handle */
5490 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5495 #endif /* LOCKF_EMULATE_FLOCK */