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) && PL_in_eval) ? Nullch : SvPV(tmpsv, len);
455 (void)SvUPGRADE(error, SVt_PV);
456 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
458 SvSetSV(error,tmpsv);
459 else if (sv_isobject(error)) {
460 HV *stash = SvSTASH(SvRV(error));
461 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
463 SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0));
464 SV *line = sv_2mortal(newSVuv(CopLINE(PL_curcop)));
471 call_sv((SV*)GvCV(gv),
472 G_SCALAR|G_EVAL|G_KEEPERR);
473 sv_setsv(error,*PL_stack_sp--);
479 if (SvPOK(error) && SvCUR(error))
480 sv_catpv(error, "\t...propagated");
482 tmps = SvPV(tmpsv, len);
486 tmpsv = sv_2mortal(newSVpvn("Died", 4));
488 DIE(aTHX_ "%"SVf, tmpsv);
511 DIE(aTHX_ PL_no_usym, "filehandle");
516 DIE(aTHX_ PL_no_usym, "filehandle");
518 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
520 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
522 XPUSHs(SvTIED_obj((SV*)gv, mg));
528 call_method("OPEN", G_SCALAR);
534 tmps = SvPV(sv, len);
535 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
536 PUSHi( (I32)PL_forkprocess );
537 else if (PL_forkprocess == 0) /* we are a new child */
555 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
557 XPUSHs(SvTIED_obj((SV*)gv, mg));
560 call_method("CLOSE", G_SCALAR);
566 PUSHs(boolSV(do_close(gv, TRUE)));
586 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
587 DIE(aTHX_ PL_no_usym, "filehandle");
592 do_close(rgv, FALSE);
594 do_close(wgv, FALSE);
596 if (PerlProc_pipe(fd) < 0)
599 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
600 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
601 IoIFP(wstio) = IoOFP(wstio);
602 IoTYPE(rstio) = IoTYPE_RDONLY;
603 IoTYPE(wstio) = IoTYPE_WRONLY;
605 if (!IoIFP(rstio) || !IoOFP(wstio)) {
606 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
607 else PerlLIO_close(fd[0]);
608 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
609 else PerlLIO_close(fd[1]);
612 #if defined(HAS_FCNTL) && defined(F_SETFD)
613 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
614 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
621 DIE(aTHX_ PL_no_func, "pipe");
637 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
639 XPUSHs(SvTIED_obj((SV*)gv, mg));
642 call_method("FILENO", G_SCALAR);
648 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
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))) {
713 report_evil_fh(gv, io, PL_op->op_type);
718 names = SvPV(discp,len);
721 if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp),
722 (discp) ? SvPV_nolen(discp) : Nullch))
736 I32 markoff = MARK - PL_stack_base;
743 switch(SvTYPE(varsv)) {
745 methname = "TIEHASH";
748 methname = "TIEARRAY";
751 methname = "TIEHANDLE";
755 methname = "TIESCALAR";
760 if (sv_isobject(*MARK)) {
762 PUSHSTACKi(PERLSI_MAGIC);
768 call_method(methname, G_SCALAR);
771 /* Not clear why we don't call call_method here too.
772 * perhaps to get different error message ?
774 stash = gv_stashsv(*MARK, FALSE);
775 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
776 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
777 methname, SvPV(*MARK,n_a));
780 PUSHSTACKi(PERLSI_MAGIC);
786 call_sv((SV*)GvCV(gv), G_SCALAR);
792 if (sv_isobject(sv)) {
793 sv_unmagic(varsv, how);
794 /* Croak if a self-tie on an aggregate is attempted. */
795 if (varsv == SvRV(sv) &&
796 (SvTYPE(sv) == SVt_PVAV ||
797 SvTYPE(sv) == SVt_PVHV))
799 "Self-ties of arrays and hashes are not supported");
800 sv_magic(varsv, sv, how, Nullch, 0);
803 SP = PL_stack_base + markoff;
812 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
815 if ((mg = SvTIED_mg(sv, how))) {
816 SV *obj = SvRV(mg->mg_obj);
819 if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
820 isGV(gv) && (cv = GvCV(gv))) {
822 XPUSHs(SvTIED_obj((SV*)gv, mg));
823 XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
826 call_sv((SV *)cv, G_VOID);
830 else if (ckWARN(WARN_UNTIE)) {
831 if (mg && SvREFCNT(obj) > 1)
832 Perl_warner(aTHX_ WARN_UNTIE,
833 "untie attempted while %"UVuf" inner references still exist",
834 (UV)SvREFCNT(obj) - 1 ) ;
845 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
848 if ((mg = SvTIED_mg(sv, how))) {
849 SV *osv = SvTIED_obj(sv, mg);
850 if (osv == mg->mg_obj)
851 osv = sv_mortalcopy(osv);
869 sv = sv_mortalcopy(&PL_sv_no);
870 sv_setpv(sv, "AnyDBM_File");
871 stash = gv_stashsv(sv, FALSE);
872 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
874 require_pv("AnyDBM_File.pm");
876 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
877 DIE(aTHX_ "No dbm on this machine");
887 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
889 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
892 call_sv((SV*)GvCV(gv), G_SCALAR);
895 if (!sv_isobject(TOPs)) {
900 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
903 call_sv((SV*)GvCV(gv), G_SCALAR);
907 if (sv_isobject(TOPs)) {
908 sv_unmagic((SV *) hv, 'P');
909 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
931 struct timeval timebuf;
932 struct timeval *tbuf = &timebuf;
936 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
941 # if BYTEORDER & 0xf0000
942 # define ORDERBYTE (0x88888888 - BYTEORDER)
944 # define ORDERBYTE (0x4444 - BYTEORDER)
950 for (i = 1; i <= 3; i++) {
958 /* little endians can use vecs directly */
959 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
960 # if SELECT_MIN_BITS > 1
961 /* If SELECT_MIN_BITS is greater than one we most probably will want
962 * to align the sizes with SELECT_MIN_BITS/8 because for example
963 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
964 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
965 * on (sets/tests/clears bits) is 32 bits. */
966 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
968 growsize = sizeof(fd_set);
977 masksize = NFDBITS / NBBY;
979 masksize = sizeof(long); /* documented int, everyone seems to use long */
981 growsize = maxlen + (masksize - (maxlen % masksize));
982 Zero(&fd_sets[0], 4, char*);
990 timebuf.tv_sec = (long)value;
991 value -= (NV)timebuf.tv_sec;
992 timebuf.tv_usec = (long)(value * 1000000.0);
995 tbuf = Null(struct timeval*);
997 for (i = 1; i <= 3; i++) {
1003 else if (!SvPOK(sv))
1004 SvPV_force(sv,n_a); /* force string conversion */
1007 Sv_Grow(sv, growsize);
1011 while (++j <= growsize) {
1015 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1017 New(403, fd_sets[i], growsize, char);
1018 for (offset = 0; offset < growsize; offset += masksize) {
1019 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1020 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1023 fd_sets[i] = SvPVX(sv);
1027 nfound = PerlSock_select(
1029 (Select_fd_set_t) fd_sets[1],
1030 (Select_fd_set_t) fd_sets[2],
1031 (Select_fd_set_t) fd_sets[3],
1033 for (i = 1; i <= 3; i++) {
1036 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1038 for (offset = 0; offset < growsize; offset += masksize) {
1039 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1040 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1042 Safefree(fd_sets[i]);
1049 if (GIMME == G_ARRAY && tbuf) {
1050 value = (NV)(timebuf.tv_sec) +
1051 (NV)(timebuf.tv_usec) / 1000000.0;
1052 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1053 sv_setnv(sv, value);
1057 DIE(aTHX_ "select not implemented");
1062 Perl_setdefout(pTHX_ GV *gv)
1065 (void)SvREFCNT_inc(gv);
1067 SvREFCNT_dec(PL_defoutgv);
1074 GV *newdefout, *egv;
1077 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1079 egv = GvEGV(PL_defoutgv);
1084 XPUSHs(&PL_sv_undef);
1086 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1087 if (gvp && *gvp == egv) {
1088 gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
1092 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1097 if (!GvIO(newdefout))
1098 gv_IOadd(newdefout);
1099 setdefout(newdefout);
1116 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1117 I32 gimme = GIMME_V;
1119 XPUSHs(SvTIED_obj((SV*)gv, mg));
1122 call_method("GETC", gimme);
1125 if (gimme == G_SCALAR)
1126 SvSetMagicSV_nosteal(TARG, TOPs);
1129 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1132 sv_setpv(TARG, " ");
1133 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1134 if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) {
1135 /* Find out how many bytes the char needs */
1136 Size_t len = UTF8SKIP(SvPVX(TARG));
1139 len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1);
1140 SvCUR_set(TARG,1+len);
1150 return pp_sysread();
1154 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1156 register PERL_CONTEXT *cx;
1157 I32 gimme = GIMME_V;
1158 AV* padlist = CvPADLIST(cv);
1159 SV** svp = AvARRAY(padlist);
1165 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1167 SAVEVPTR(PL_curpad);
1168 PL_curpad = AvARRAY((AV*)svp[1]);
1170 setdefout(gv); /* locally select filehandle so $% et al work */
1203 SV *tmpsv = sv_newmortal();
1204 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1205 name = SvPV_nolen(tmpsv);
1208 DIE(aTHX_ "Undefined format \"%s\" called", name);
1209 DIE(aTHX_ "Not a format reference");
1212 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1214 IoFLAGS(io) &= ~IOf_DIDTOP;
1215 return doform(cv,gv,PL_op->op_next);
1221 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1222 register IO *io = GvIOp(gv);
1223 PerlIO *ofp = IoOFP(io);
1227 register PERL_CONTEXT *cx;
1229 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1230 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1231 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1232 PL_formtarget != PL_toptarget)
1236 if (!IoTOP_GV(io)) {
1240 if (!IoTOP_NAME(io)) {
1241 if (!IoFMT_NAME(io))
1242 IoFMT_NAME(io) = savepv(GvNAME(gv));
1243 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1244 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1245 if ((topgv && GvFORM(topgv)) ||
1246 !gv_fetchpv("top",FALSE,SVt_PVFM))
1247 IoTOP_NAME(io) = savepv(SvPVX(topname));
1249 IoTOP_NAME(io) = savepv("top");
1251 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1252 if (!topgv || !GvFORM(topgv)) {
1253 IoLINES_LEFT(io) = 100000000;
1256 IoTOP_GV(io) = topgv;
1258 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1259 I32 lines = IoLINES_LEFT(io);
1260 char *s = SvPVX(PL_formtarget);
1261 if (lines <= 0) /* Yow, header didn't even fit!!! */
1263 while (lines-- > 0) {
1264 s = strchr(s, '\n');
1270 STRLEN save = SvCUR(PL_formtarget);
1271 SvCUR_set(PL_formtarget, s - SvPVX(PL_formtarget));
1272 do_print(PL_formtarget, ofp);
1273 SvCUR_set(PL_formtarget, save);
1274 sv_chop(PL_formtarget, s);
1275 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1278 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1279 do_print(PL_formfeed, ofp);
1280 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1282 PL_formtarget = PL_toptarget;
1283 IoFLAGS(io) |= IOf_DIDTOP;
1286 DIE(aTHX_ "bad top format reference");
1291 SV *sv = sv_newmortal();
1292 gv_efullname4(sv, fgv, Nullch, FALSE);
1293 name = SvPV_nolen(sv);
1296 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1299 DIE(aTHX_ "Undefined top format called");
1303 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1304 return doform(cv,gv,PL_op);
1308 POPBLOCK(cx,PL_curpm);
1314 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1316 /* integrate with report_evil_fh()? */
1319 SV* sv = sv_newmortal();
1320 gv_efullname4(sv, gv, Nullch, FALSE);
1321 name = SvPV_nolen(sv);
1324 Perl_warner(aTHX_ WARN_IO,
1325 "Filehandle %s opened only for input", name);
1327 Perl_warner(aTHX_ WARN_IO,
1328 "Filehandle opened only for input");
1330 else if (ckWARN(WARN_CLOSED))
1331 report_evil_fh(gv, io, PL_op->op_type);
1336 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1337 if (ckWARN(WARN_IO))
1338 Perl_warner(aTHX_ WARN_IO, "page overflow");
1340 if (!do_print(PL_formtarget, fp))
1343 FmLINES(PL_formtarget) = 0;
1344 SvCUR_set(PL_formtarget, 0);
1345 *SvEND(PL_formtarget) = '\0';
1346 if (IoFLAGS(io) & IOf_FLUSH)
1347 (void)PerlIO_flush(fp);
1351 PL_formtarget = PL_bodytarget;
1353 return pop_return();
1358 djSP; dMARK; dORIGMARK;
1366 if (PL_op->op_flags & OPf_STACKED)
1371 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1372 if (MARK == ORIGMARK) {
1375 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1379 *MARK = SvTIED_obj((SV*)gv, mg);
1382 call_method("PRINTF", G_SCALAR);
1385 MARK = ORIGMARK + 1;
1392 if (!(io = GvIO(gv))) {
1393 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1394 report_evil_fh(gv, io, PL_op->op_type);
1395 SETERRNO(EBADF,RMS$_IFI);
1398 else if (!(fp = IoOFP(io))) {
1399 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1400 /* integrate with report_evil_fh()? */
1404 gv_efullname4(sv, gv, Nullch, FALSE);
1405 name = SvPV_nolen(sv);
1408 Perl_warner(aTHX_ WARN_IO,
1409 "Filehandle %s opened only for input", name);
1411 Perl_warner(aTHX_ WARN_IO,
1412 "Filehandle opened only for input");
1414 else if (ckWARN(WARN_CLOSED))
1415 report_evil_fh(gv, io, PL_op->op_type);
1417 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1421 do_sprintf(sv, SP - MARK, MARK + 1);
1422 if (!do_print(sv, fp))
1425 if (IoFLAGS(io) & IOf_FLUSH)
1426 if (PerlIO_flush(fp) == EOF)
1437 PUSHs(&PL_sv_undef);
1458 /* Need TIEHANDLE method ? */
1460 tmps = SvPV(sv, len);
1461 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1462 IoLINES(GvIOp(gv)) = 0;
1466 PUSHs(&PL_sv_undef);
1473 djSP; dMARK; dORIGMARK; dTARGET;
1480 Sock_size_t bufsize;
1489 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1490 (mg = SvTIED_mg((SV*)gv, 'q')))
1495 *MARK = SvTIED_obj((SV*)gv, mg);
1497 call_method("READ", G_SCALAR);
1510 sv_setpvn(bufsv, "", 0);
1511 length = SvIVx(*++MARK);
1514 offset = SvIVx(*++MARK);
1518 if (!io || !IoIFP(io))
1520 if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTE) {
1521 buffer = SvPVutf8_force(bufsv, blen);
1522 /* UTF8 may not have been set if they are all low bytes */
1526 buffer = SvPV_force(bufsv, blen);
1529 DIE(aTHX_ "Negative length");
1533 if (PL_op->op_type == OP_RECV) {
1534 char namebuf[MAXPATHLEN];
1535 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1536 bufsize = sizeof (struct sockaddr_in);
1538 bufsize = sizeof namebuf;
1540 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1544 buffer = SvGROW(bufsv, length+1);
1545 /* 'offset' means 'flags' here */
1546 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1547 (struct sockaddr *)namebuf, &bufsize);
1550 SvCUR_set(bufsv, count);
1551 *SvEND(bufsv) = '\0';
1552 (void)SvPOK_only(bufsv);
1556 /* This should not be marked tainted if the fp is marked clean */
1557 if (!(IoFLAGS(io) & IOf_UNTAINT))
1558 SvTAINTED_on(bufsv);
1560 sv_setpvn(TARG, namebuf, bufsize);
1565 if (PL_op->op_type == OP_RECV)
1566 DIE(aTHX_ PL_no_sock_func, "recv");
1568 if (DO_UTF8(bufsv)) {
1569 /* offset adjust in characters not bytes */
1570 blen = sv_len_utf8(bufsv);
1574 DIE(aTHX_ "Offset outside string");
1577 if (DO_UTF8(bufsv)) {
1578 /* convert offset-as-chars to offset-as-bytes */
1579 offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer;
1582 bufsize = SvCUR(bufsv);
1583 buffer = SvGROW(bufsv, length+offset+1);
1584 if (offset > bufsize) { /* Zero any newly allocated space */
1585 Zero(buffer+bufsize, offset-bufsize, char);
1587 buffer = buffer + offset;
1589 if (PL_op->op_type == OP_SYSREAD) {
1590 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1591 if (IoTYPE(io) == IoTYPE_SOCKET) {
1592 count = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1598 count = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1603 #ifdef HAS_SOCKET__bad_code_maybe
1604 if (IoTYPE(io) == IoTYPE_SOCKET) {
1605 char namebuf[MAXPATHLEN];
1606 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1607 bufsize = sizeof (struct sockaddr_in);
1609 bufsize = sizeof namebuf;
1611 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0,
1612 (struct sockaddr *)namebuf, &bufsize);
1617 count = PerlIO_read(IoIFP(io), buffer, length);
1618 /* PerlIO_read() - like fread() returns 0 on both error and EOF */
1619 if (count == 0 && PerlIO_error(IoIFP(io)))
1623 if ((IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout()
1624 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1626 /* integrate with report_evil_fh()? */
1629 SV* sv = sv_newmortal();
1630 gv_efullname4(sv, gv, Nullch, FALSE);
1631 name = SvPV_nolen(sv);
1634 Perl_warner(aTHX_ WARN_IO,
1635 "Filehandle %s opened only for output", name);
1637 Perl_warner(aTHX_ WARN_IO,
1638 "Filehandle opened only for output");
1642 SvCUR_set(bufsv, count+(buffer - SvPVX(bufsv)));
1643 *SvEND(bufsv) = '\0';
1644 (void)SvPOK_only(bufsv);
1645 if (fp_utf8 && !IN_BYTE) {
1646 /* Look at utf8 we got back and count the characters */
1647 char *bend = buffer + count;
1648 while (buffer < bend) {
1649 STRLEN skip = UTF8SKIP(buffer);
1650 if (buffer+skip > bend) {
1651 /* partial character - try for rest of it */
1652 length = skip - (bend-buffer);
1653 offset = bend - SvPVX(bufsv);
1661 /* If we have not 'got' the number of _characters_ we 'wanted' get some more
1662 provided amount read (count) was what was requested (length)
1664 if (got < wanted && count == length) {
1665 length = (wanted-got);
1666 offset = bend - SvPVX(bufsv);
1669 /* return value is character count */
1674 /* This should not be marked tainted if the fp is marked clean */
1675 if (!(IoFLAGS(io) & IOf_UNTAINT))
1676 SvTAINTED_on(bufsv);
1689 int items = (SP - PL_stack_base) - TOPMARK;
1693 sv = sv_2mortal(newSViv(sv_len(*SP)));
1702 djSP; dMARK; dORIGMARK; dTARGET;
1713 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1717 *MARK = SvTIED_obj((SV*)gv, mg);
1719 call_method("WRITE", G_SCALAR);
1730 #if Size_t_size > IVSIZE
1731 length = (Size_t)SvNVx(*++MARK);
1733 length = (Size_t)SvIVx(*++MARK);
1735 if ((SSize_t)length < 0)
1736 DIE(aTHX_ "Negative length");
1739 if (!io || !IoIFP(io)) {
1741 if (ckWARN(WARN_CLOSED))
1742 report_evil_fh(gv, io, PL_op->op_type);
1746 if (PerlIO_isutf8(IoIFP(io))) {
1747 buffer = SvPVutf8(bufsv, blen);
1751 sv_utf8_downgrade(bufsv, FALSE);
1752 buffer = SvPV(bufsv, blen);
1755 if (PL_op->op_type == OP_SYSWRITE) {
1757 if (DO_UTF8(bufsv)) {
1758 /* length and offset are in chars */
1759 blen = sv_len_utf8(bufsv);
1762 offset = SvIVx(*++MARK);
1765 DIE(aTHX_ "Offset outside string");
1767 } else if (offset >= blen && blen > 0)
1768 DIE(aTHX_ "Offset outside string");
1771 if (length > blen - offset)
1772 length = blen - offset;
1773 if (DO_UTF8(bufsv)) {
1774 buffer = (char*)utf8_hop((U8 *)buffer, offset);
1775 length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer;
1778 buffer = buffer+offset;
1780 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1781 if (IoTYPE(io) == IoTYPE_SOCKET) {
1782 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1788 /* See the note at doio.c:do_print about filesize limits. --jhi */
1789 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1794 else if (SP > MARK) {
1797 sockbuf = SvPVx(*++MARK, mlen);
1798 /* length is really flags */
1799 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1800 length, (struct sockaddr *)sockbuf, mlen);
1803 /* length is really flags */
1804 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1807 DIE(aTHX_ PL_no_sock_func, "send");
1812 #if Size_t_size > IVSIZE
1826 return pp_sysread();
1836 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1838 gv = PL_last_in_gv = PL_argvgv;
1840 if (io && !IoIFP(io)) {
1841 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1843 IoFLAGS(io) &= ~IOf_START;
1844 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1845 sv_setpvn(GvSV(gv), "-", 1);
1846 SvSETMAGIC(GvSV(gv));
1848 else if (!nextargv(gv))
1853 gv = PL_last_in_gv; /* eof */
1856 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1858 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1860 XPUSHs(SvTIED_obj((SV*)gv, mg));
1863 call_method("EOF", G_SCALAR);
1869 PUSHs(boolSV(!gv || do_eof(gv)));
1882 gv = PL_last_in_gv = (GV*)POPs;
1884 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1886 XPUSHs(SvTIED_obj((SV*)gv, mg));
1889 call_method("TELL", G_SCALAR);
1895 #if LSEEKSIZE > IVSIZE
1896 PUSHn( do_tell(gv) );
1898 PUSHi( do_tell(gv) );
1905 return pp_sysseek();
1913 #if LSEEKSIZE > IVSIZE
1914 Off_t offset = (Off_t)SvNVx(POPs);
1916 Off_t offset = (Off_t)SvIVx(POPs);
1920 gv = PL_last_in_gv = (GV*)POPs;
1922 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1924 XPUSHs(SvTIED_obj((SV*)gv, mg));
1925 #if LSEEKSIZE > IVSIZE
1926 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1928 XPUSHs(sv_2mortal(newSViv(offset)));
1930 XPUSHs(sv_2mortal(newSViv(whence)));
1933 call_method("SEEK", G_SCALAR);
1939 if (PL_op->op_type == OP_SEEK)
1940 PUSHs(boolSV(do_seek(gv, offset, whence)));
1942 Off_t sought = do_sysseek(gv, offset, whence);
1944 PUSHs(&PL_sv_undef);
1947 #if LSEEKSIZE > IVSIZE
1952 : newSVpvn(zero_but_true, ZBTLEN);
1953 PUSHs(sv_2mortal(sv));
1962 /* There seems to be no consensus on the length type of truncate()
1963 * and ftruncate(), both off_t and size_t have supporters. In
1964 * general one would think that when using large files, off_t is
1965 * at least as wide as size_t, so using an off_t should be okay. */
1966 /* XXX Configure probe for the length type of *truncate() needed XXX */
1972 #if Size_t_size > IVSIZE
1977 /* Checking for length < 0 is problematic as the type might or
1978 * might not be signed: if it is not, clever compilers will moan. */
1979 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1981 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1982 if (PL_op->op_flags & OPf_SPECIAL) {
1983 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1985 TAINT_PROPER("truncate");
1986 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1989 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
1991 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1993 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
2003 if (SvTYPE(sv) == SVt_PVGV) {
2004 tmpgv = (GV*)sv; /* *main::FRED for example */
2007 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2008 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
2012 name = SvPV(sv, n_a);
2013 TAINT_PROPER("truncate");
2015 if (truncate(name, len) < 0)
2020 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
2023 if (my_chsize(tmpfd, len) < 0)
2025 PerlLIO_close(tmpfd);
2034 SETERRNO(EBADF,RMS$_IFI);
2037 DIE(aTHX_ "truncate not implemented");
2050 unsigned int func = U_I(POPn);
2051 int optype = PL_op->op_type;
2057 if (!io || !argsv || !IoIFP(io)) {
2058 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
2062 if (SvPOK(argsv) || !SvNIOK(argsv)) {
2065 s = SvPV_force(argsv, len);
2066 need = IOCPARM_LEN(func);
2068 s = Sv_Grow(argsv, need + 1);
2069 SvCUR_set(argsv, need);
2072 s[SvCUR(argsv)] = 17; /* a little sanity check here */
2075 retval = SvIV(argsv);
2076 s = INT2PTR(char*,retval); /* ouch */
2079 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
2081 if (optype == OP_IOCTL)
2083 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
2085 DIE(aTHX_ "ioctl is not implemented");
2089 #if defined(OS2) && defined(__EMX__)
2090 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
2092 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2095 DIE(aTHX_ "fcntl is not implemented");
2099 if (s[SvCUR(argsv)] != 17)
2100 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2101 PL_op_name[optype]);
2102 s[SvCUR(argsv)] = 0; /* put our null back */
2103 SvSETMAGIC(argsv); /* Assume it has changed */
2112 PUSHp(zero_but_true, ZBTLEN);
2132 if (gv && (io = GvIO(gv)))
2139 (void)PerlIO_flush(fp);
2140 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2143 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2144 report_evil_fh(gv, io, PL_op->op_type);
2146 SETERRNO(EBADF,RMS$_IFI);
2151 DIE(aTHX_ PL_no_func, "flock()");
2163 int protocol = POPi;
2171 SETERRNO(EBADF,LIB$_INVARG);
2177 do_close(gv, FALSE);
2179 TAINT_PROPER("socket");
2180 fd = PerlSock_socket(domain, type, protocol);
2183 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2184 IoOFP(io) = PerlIO_fdopen(fd, "w");
2185 IoTYPE(io) = IoTYPE_SOCKET;
2186 if (!IoIFP(io) || !IoOFP(io)) {
2187 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2188 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2189 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2192 #if defined(HAS_FCNTL) && defined(F_SETFD)
2193 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2198 DIE(aTHX_ PL_no_sock_func, "socket");
2205 #ifdef HAS_SOCKETPAIR
2210 int protocol = POPi;
2223 do_close(gv1, FALSE);
2225 do_close(gv2, FALSE);
2227 TAINT_PROPER("socketpair");
2228 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2230 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2231 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2232 IoTYPE(io1) = IoTYPE_SOCKET;
2233 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2234 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2235 IoTYPE(io2) = IoTYPE_SOCKET;
2236 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2237 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2238 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2239 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2240 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2241 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2242 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2245 #if defined(HAS_FCNTL) && defined(F_SETFD)
2246 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2247 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2252 DIE(aTHX_ PL_no_sock_func, "socketpair");
2260 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2261 extern GETPRIVMODE();
2262 extern GETUSERMODE();
2267 register IO *io = GvIOn(gv);
2271 int mpeprivmode = 0;
2274 if (!io || !IoIFP(io))
2277 addr = SvPV(addrsv, len);
2278 TAINT_PROPER("bind");
2279 #ifdef MPE /* Deal with MPE bind() peculiarities */
2280 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2281 /* The address *MUST* stupidly be zero. */
2282 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2283 /* PRIV mode is required to bind() to ports < 1024. */
2284 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2285 ((struct sockaddr_in *)addr)->sin_port > 0) {
2286 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2291 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2292 (struct sockaddr *)addr, len) >= 0)
2295 #ifdef MPE /* Switch back to USER mode */
2306 if (ckWARN(WARN_CLOSED))
2307 report_evil_fh(gv, io, PL_op->op_type);
2308 SETERRNO(EBADF,SS$_IVCHAN);
2311 DIE(aTHX_ PL_no_sock_func, "bind");
2322 register IO *io = GvIOn(gv);
2325 if (!io || !IoIFP(io))
2328 addr = SvPV(addrsv, len);
2329 TAINT_PROPER("connect");
2330 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2336 if (ckWARN(WARN_CLOSED))
2337 report_evil_fh(gv, io, PL_op->op_type);
2338 SETERRNO(EBADF,SS$_IVCHAN);
2341 DIE(aTHX_ PL_no_sock_func, "connect");
2351 register IO *io = GvIOn(gv);
2353 if (!io || !IoIFP(io))
2356 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2362 if (ckWARN(WARN_CLOSED))
2363 report_evil_fh(gv, io, PL_op->op_type);
2364 SETERRNO(EBADF,SS$_IVCHAN);
2367 DIE(aTHX_ PL_no_sock_func, "listen");
2379 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2380 Sock_size_t len = sizeof saddr;
2392 if (!gstio || !IoIFP(gstio))
2397 do_close(ngv, FALSE);
2399 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2402 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2403 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2404 IoTYPE(nstio) = IoTYPE_SOCKET;
2405 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2406 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2407 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2408 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2411 #if defined(HAS_FCNTL) && defined(F_SETFD)
2412 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2416 len = sizeof saddr; /* EPOC somehow truncates info */
2419 PUSHp((char *)&saddr, len);
2423 if (ckWARN(WARN_CLOSED))
2424 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2425 SETERRNO(EBADF,SS$_IVCHAN);
2431 DIE(aTHX_ PL_no_sock_func, "accept");
2441 register IO *io = GvIOn(gv);
2443 if (!io || !IoIFP(io))
2446 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2450 if (ckWARN(WARN_CLOSED))
2451 report_evil_fh(gv, io, PL_op->op_type);
2452 SETERRNO(EBADF,SS$_IVCHAN);
2455 DIE(aTHX_ PL_no_sock_func, "shutdown");
2462 return pp_ssockopt();
2464 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2472 int optype = PL_op->op_type;
2475 unsigned int optname;
2481 if (optype == OP_GSOCKOPT)
2482 sv = sv_2mortal(NEWSV(22, 257));
2485 optname = (unsigned int) POPi;
2486 lvl = (unsigned int) POPi;
2490 if (!io || !IoIFP(io))
2493 fd = PerlIO_fileno(IoIFP(io));
2497 (void)SvPOK_only(sv);
2501 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2516 aint = (int)SvIV(sv);
2520 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2529 if (ckWARN(WARN_CLOSED))
2530 report_evil_fh(gv, io, optype);
2531 SETERRNO(EBADF,SS$_IVCHAN);
2536 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2543 return pp_getpeername();
2545 DIE(aTHX_ PL_no_sock_func, "getsockname");
2553 int optype = PL_op->op_type;
2557 register IO *io = GvIOn(gv);
2560 if (!io || !IoIFP(io))
2563 sv = sv_2mortal(NEWSV(22, 257));
2564 (void)SvPOK_only(sv);
2568 fd = PerlIO_fileno(IoIFP(io));
2570 case OP_GETSOCKNAME:
2571 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2574 case OP_GETPEERNAME:
2575 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2577 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2579 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";
2580 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2581 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2582 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2583 sizeof(u_short) + sizeof(struct in_addr))) {
2590 #ifdef BOGUS_GETNAME_RETURN
2591 /* Interactive Unix, getpeername() and getsockname()
2592 does not return valid namelen */
2593 if (len == BOGUS_GETNAME_RETURN)
2594 len = sizeof(struct sockaddr);
2602 if (ckWARN(WARN_CLOSED))
2603 report_evil_fh(gv, io, optype);
2604 SETERRNO(EBADF,SS$_IVCHAN);
2609 DIE(aTHX_ PL_no_sock_func, "getpeername");
2628 if (PL_op->op_flags & OPf_REF) {
2630 if (PL_op->op_type == OP_LSTAT) {
2631 if (PL_laststype != OP_LSTAT)
2632 Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
2633 if (ckWARN(WARN_IO) && gv != PL_defgv)
2634 Perl_warner(aTHX_ WARN_IO,
2635 "lstat() on filehandle %s", GvENAME(gv));
2636 /* Perl_my_lstat (-l) croak's on filehandle, why warn here? */
2640 if (gv != PL_defgv) {
2641 PL_laststype = OP_STAT;
2643 sv_setpv(PL_statname, "");
2644 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2645 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2647 if (PL_laststatval < 0) {
2648 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2649 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2655 if (SvTYPE(sv) == SVt_PVGV) {
2659 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2663 sv_setpv(PL_statname, SvPV(sv,n_a));
2666 PL_laststype = PL_op->op_type;
2667 if (PL_op->op_type == OP_LSTAT)
2668 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2671 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2672 if (PL_laststatval < 0) {
2673 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2674 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2680 if (gimme != G_ARRAY) {
2681 if (gimme != G_VOID)
2682 XPUSHs(boolSV(max));
2688 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2689 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2690 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2691 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2692 #if Uid_t_size > IVSIZE
2693 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2695 # if Uid_t_sign <= 0
2696 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2698 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2701 #if Gid_t_size > IVSIZE
2702 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2704 # if Gid_t_sign <= 0
2705 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2707 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2710 #ifdef USE_STAT_RDEV
2711 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2713 PUSHs(sv_2mortal(newSVpvn("", 0)));
2715 #if Off_t_size > IVSIZE
2716 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2718 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2721 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2722 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2723 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2725 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2726 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2727 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2729 #ifdef USE_STAT_BLOCKS
2730 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2731 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2733 PUSHs(sv_2mortal(newSVpvn("", 0)));
2734 PUSHs(sv_2mortal(newSVpvn("", 0)));
2744 #if defined(HAS_ACCESS) && defined(R_OK)
2746 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2747 result = access(TOPpx, R_OK);
2762 if (cando(S_IRUSR, 0, &PL_statcache))
2771 #if defined(HAS_ACCESS) && defined(W_OK)
2773 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2774 result = access(TOPpx, W_OK);
2789 if (cando(S_IWUSR, 0, &PL_statcache))
2798 #if defined(HAS_ACCESS) && defined(X_OK)
2800 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2801 result = access(TOPpx, X_OK);
2816 if (cando(S_IXUSR, 0, &PL_statcache))
2825 #ifdef PERL_EFF_ACCESS_R_OK
2827 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2828 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2843 if (cando(S_IRUSR, 1, &PL_statcache))
2852 #ifdef PERL_EFF_ACCESS_W_OK
2854 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2855 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2870 if (cando(S_IWUSR, 1, &PL_statcache))
2879 #ifdef PERL_EFF_ACCESS_X_OK
2881 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2882 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2897 if (cando(S_IXUSR, 1, &PL_statcache))
2904 I32 result = my_stat();
2913 return pp_ftrowned();
2918 I32 result = my_stat();
2922 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2930 I32 result = my_stat();
2934 if (PL_statcache.st_size == 0)
2941 I32 result = my_stat();
2945 #if Off_t_size > IVSIZE
2946 PUSHn(PL_statcache.st_size);
2948 PUSHi(PL_statcache.st_size);
2955 I32 result = my_stat();
2959 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2965 I32 result = my_stat();
2969 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2975 I32 result = my_stat();
2979 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2985 I32 result = my_stat();
2989 if (S_ISSOCK(PL_statcache.st_mode))
2996 I32 result = my_stat();
3000 if (S_ISCHR(PL_statcache.st_mode))
3007 I32 result = my_stat();
3011 if (S_ISBLK(PL_statcache.st_mode))
3018 I32 result = my_stat();
3022 if (S_ISREG(PL_statcache.st_mode))
3029 I32 result = my_stat();
3033 if (S_ISDIR(PL_statcache.st_mode))
3040 I32 result = my_stat();
3044 if (S_ISFIFO(PL_statcache.st_mode))
3051 I32 result = my_lstat();
3055 if (S_ISLNK(PL_statcache.st_mode))
3064 I32 result = my_stat();
3068 if (PL_statcache.st_mode & S_ISUID)
3078 I32 result = my_stat();
3082 if (PL_statcache.st_mode & S_ISGID)
3092 I32 result = my_stat();
3096 if (PL_statcache.st_mode & S_ISVTX)
3107 char *tmps = Nullch;
3110 if (PL_op->op_flags & OPf_REF)
3112 else if (isGV(TOPs))
3114 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3115 gv = (GV*)SvRV(POPs);
3117 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3119 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3120 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3121 else if (tmps && isDIGIT(*tmps))
3125 if (PerlLIO_isatty(fd))
3130 #if defined(atarist) /* this will work with atariST. Configure will
3131 make guesses for other systems. */
3132 # define FILE_base(f) ((f)->_base)
3133 # define FILE_ptr(f) ((f)->_ptr)
3134 # define FILE_cnt(f) ((f)->_cnt)
3135 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3145 register STDCHAR *s;
3152 if (PL_op->op_flags & OPf_REF)
3154 else if (isGV(TOPs))
3156 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3157 gv = (GV*)SvRV(POPs);
3163 if (gv == PL_defgv) {
3165 io = GvIO(PL_statgv);
3168 goto really_filename;
3173 PL_laststatval = -1;
3174 sv_setpv(PL_statname, "");
3175 io = GvIO(PL_statgv);
3177 if (io && IoIFP(io)) {
3178 if (! PerlIO_has_base(IoIFP(io)))
3179 DIE(aTHX_ "-T and -B not implemented on filehandles");
3180 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3181 if (PL_laststatval < 0)
3183 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3184 if (PL_op->op_type == OP_FTTEXT)
3188 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3189 i = PerlIO_getc(IoIFP(io));
3191 (void)PerlIO_ungetc(IoIFP(io),i);
3193 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3195 len = PerlIO_get_bufsiz(IoIFP(io));
3196 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3197 /* sfio can have large buffers - limit to 512 */
3202 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3204 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3206 SETERRNO(EBADF,RMS$_IFI);
3214 PL_laststatval = -1;
3215 sv_setpv(PL_statname, SvPV(sv, n_a));
3216 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3217 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3218 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3221 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3222 if (PL_laststatval < 0) {
3223 (void)PerlIO_close(fp);
3226 PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch);
3227 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3228 (void)PerlIO_close(fp);
3230 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3231 RETPUSHNO; /* special case NFS directories */
3232 RETPUSHYES; /* null file is anything */
3237 /* now scan s to look for textiness */
3238 /* XXX ASCII dependent code */
3240 #if defined(DOSISH) || defined(USEMYBINMODE)
3241 /* ignore trailing ^Z on short files */
3242 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3246 for (i = 0; i < len; i++, s++) {
3247 if (!*s) { /* null never allowed in text */
3252 else if (!(isPRINT(*s) || isSPACE(*s)))
3255 else if (*s & 128) {
3257 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3260 /* utf8 characters don't count as odd */
3262 int ulen = UTF8SKIP(s);
3263 if (ulen < len - i) {
3265 for (j = 1; j < ulen; j++) {
3266 if ((s[j] & 0xc0) != 0x80)
3269 --ulen; /* loop does extra increment */
3279 *s != '\n' && *s != '\r' && *s != '\b' &&
3280 *s != '\t' && *s != '\f' && *s != 27)
3285 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3309 if (!tmps || !*tmps) {
3310 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3312 tmps = SvPV(*svp, n_a);
3314 if (!tmps || !*tmps) {
3315 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3317 tmps = SvPV(*svp, n_a);
3320 if (!tmps || !*tmps) {
3321 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3323 tmps = SvPV(*svp, n_a);
3326 TAINT_PROPER("chdir");
3327 PUSHi( PerlDir_chdir(tmps) >= 0 );
3329 /* Clear the DEFAULT element of ENV so we'll get the new value
3331 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3338 djSP; dMARK; dTARGET;
3341 value = (I32)apply(PL_op->op_type, MARK, SP);
3346 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3357 TAINT_PROPER("chroot");
3358 PUSHi( chroot(tmps) >= 0 );
3361 DIE(aTHX_ PL_no_func, "chroot");
3367 djSP; dMARK; dTARGET;
3369 value = (I32)apply(PL_op->op_type, MARK, SP);
3377 djSP; dMARK; dTARGET;
3379 value = (I32)apply(PL_op->op_type, MARK, SP);
3387 djSP; dMARK; dTARGET;
3389 value = (I32)apply(PL_op->op_type, MARK, SP);
3401 char *tmps2 = POPpx;
3402 char *tmps = SvPV(TOPs, n_a);
3403 TAINT_PROPER("rename");
3405 anum = PerlLIO_rename(tmps, tmps2);
3407 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3408 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3411 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3412 (void)UNLINK(tmps2);
3413 if (!(anum = link(tmps, tmps2)))
3414 anum = UNLINK(tmps);
3427 char *tmps2 = POPpx;
3428 char *tmps = SvPV(TOPs, n_a);
3429 TAINT_PROPER("link");
3430 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3432 DIE(aTHX_ PL_no_func, "Unsupported function link");
3442 char *tmps2 = POPpx;
3443 char *tmps = SvPV(TOPs, n_a);
3444 TAINT_PROPER("symlink");
3445 SETi( symlink(tmps, tmps2) >= 0 );
3448 DIE(aTHX_ PL_no_func, "symlink");
3457 char buf[MAXPATHLEN];
3461 #ifndef INCOMPLETE_TAINTS
3465 len = readlink(tmps, buf, sizeof buf);
3473 RETSETUNDEF; /* just pretend it's a normal file */
3477 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3479 S_dooneliner(pTHX_ char *cmd, char *filename)
3481 char *save_filename = filename;
3487 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3488 strcpy(cmdline, cmd);
3489 strcat(cmdline, " ");
3490 for (s = cmdline + strlen(cmdline); *filename; ) {
3495 myfp = PerlProc_popen(cmdline, "r");
3499 SV *tmpsv = sv_newmortal();
3500 /* Need to save/restore 'PL_rs' ?? */
3501 s = sv_gets(tmpsv, myfp, 0);
3502 (void)PerlProc_pclose(myfp);
3506 #ifdef HAS_SYS_ERRLIST
3511 /* you don't see this */
3513 #ifdef HAS_SYS_ERRLIST
3521 if (instr(s, errmsg)) {
3528 #define EACCES EPERM
3530 if (instr(s, "cannot make"))
3531 SETERRNO(EEXIST,RMS$_FEX);
3532 else if (instr(s, "existing file"))
3533 SETERRNO(EEXIST,RMS$_FEX);
3534 else if (instr(s, "ile exists"))
3535 SETERRNO(EEXIST,RMS$_FEX);
3536 else if (instr(s, "non-exist"))
3537 SETERRNO(ENOENT,RMS$_FNF);
3538 else if (instr(s, "does not exist"))
3539 SETERRNO(ENOENT,RMS$_FNF);
3540 else if (instr(s, "not empty"))
3541 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3542 else if (instr(s, "cannot access"))
3543 SETERRNO(EACCES,RMS$_PRV);
3545 SETERRNO(EPERM,RMS$_PRV);
3548 else { /* some mkdirs return no failure indication */
3549 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3550 if (PL_op->op_type == OP_RMDIR)
3555 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3579 tmps = SvPV(TOPs, n_a);
3581 TAINT_PROPER("mkdir");
3583 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3585 SETi( dooneliner("mkdir", tmps) );
3586 oldumask = PerlLIO_umask(0);
3587 PerlLIO_umask(oldumask);
3588 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3600 TAINT_PROPER("rmdir");
3602 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3604 XPUSHi( dooneliner("rmdir", tmps) );
3609 /* Directory calls. */
3614 #if defined(Direntry_t) && defined(HAS_READDIR)
3616 char *dirname = POPpx;
3618 register IO *io = GvIOn(gv);
3624 PerlDir_close(IoDIRP(io));
3625 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3631 SETERRNO(EBADF,RMS$_DIR);
3634 DIE(aTHX_ PL_no_dir_func, "opendir");
3641 #if defined(Direntry_t) && defined(HAS_READDIR)
3643 Direntry_t *readdir (DIR *);
3645 register Direntry_t *dp;
3647 register IO *io = GvIOn(gv);
3650 if (!io || !IoDIRP(io))
3653 if (GIMME == G_ARRAY) {
3655 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3657 sv = newSVpvn(dp->d_name, dp->d_namlen);
3659 sv = newSVpv(dp->d_name, 0);
3661 #ifndef INCOMPLETE_TAINTS
3662 if (!(IoFLAGS(io) & IOf_UNTAINT))
3665 XPUSHs(sv_2mortal(sv));
3669 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3672 sv = newSVpvn(dp->d_name, dp->d_namlen);
3674 sv = newSVpv(dp->d_name, 0);
3676 #ifndef INCOMPLETE_TAINTS
3677 if (!(IoFLAGS(io) & IOf_UNTAINT))
3680 XPUSHs(sv_2mortal(sv));
3686 SETERRNO(EBADF,RMS$_ISI);
3687 if (GIMME == G_ARRAY)
3692 DIE(aTHX_ PL_no_dir_func, "readdir");
3699 #if defined(HAS_TELLDIR) || defined(telldir)
3700 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3701 /* XXX netbsd still seemed to.
3702 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3703 --JHI 1999-Feb-02 */
3704 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3705 long telldir (DIR *);
3708 register IO *io = GvIOn(gv);
3710 if (!io || !IoDIRP(io))
3713 PUSHi( PerlDir_tell(IoDIRP(io)) );
3717 SETERRNO(EBADF,RMS$_ISI);
3720 DIE(aTHX_ PL_no_dir_func, "telldir");
3727 #if defined(HAS_SEEKDIR) || defined(seekdir)
3730 register IO *io = GvIOn(gv);
3732 if (!io || !IoDIRP(io))
3735 (void)PerlDir_seek(IoDIRP(io), along);
3740 SETERRNO(EBADF,RMS$_ISI);
3743 DIE(aTHX_ PL_no_dir_func, "seekdir");
3750 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3752 register IO *io = GvIOn(gv);
3754 if (!io || !IoDIRP(io))
3757 (void)PerlDir_rewind(IoDIRP(io));
3761 SETERRNO(EBADF,RMS$_ISI);
3764 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3771 #if defined(Direntry_t) && defined(HAS_READDIR)
3773 register IO *io = GvIOn(gv);
3775 if (!io || !IoDIRP(io))
3778 #ifdef VOID_CLOSEDIR
3779 PerlDir_close(IoDIRP(io));
3781 if (PerlDir_close(IoDIRP(io)) < 0) {
3782 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3791 SETERRNO(EBADF,RMS$_IFI);
3794 DIE(aTHX_ PL_no_dir_func, "closedir");
3798 /* Process control. */
3808 PERL_FLUSHALL_FOR_CHILD;
3814 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3815 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3816 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3821 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3826 PERL_FLUSHALL_FOR_CHILD;
3827 childpid = PerlProc_fork();
3833 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3840 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3845 childpid = wait4pid(-1, &argflags, 0);
3846 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3847 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3848 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3850 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3855 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3861 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3869 childpid = wait4pid(childpid, &argflags, optype);
3870 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3871 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3872 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3874 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3879 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3885 djSP; dMARK; dORIGMARK; dTARGET;
3890 Sigsave_t ihand,qhand; /* place to save signals during system() */
3895 if (SP - MARK == 1) {
3897 char *junk = SvPV(TOPs, n_a);
3899 TAINT_PROPER("system");
3902 PERL_FLUSHALL_FOR_CHILD;
3903 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3904 if (PerlProc_pipe(pp) >= 0)
3906 while ((childpid = vfork()) == -1) {
3907 if (errno != EAGAIN) {
3912 PerlLIO_close(pp[0]);
3913 PerlLIO_close(pp[1]);
3921 PerlLIO_close(pp[1]);
3923 rsignal_save(SIGINT, SIG_IGN, &ihand);
3924 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3927 result = wait4pid(childpid, &status, 0);
3928 } while (result == -1 && errno == EINTR);
3930 (void)rsignal_restore(SIGINT, &ihand);
3931 (void)rsignal_restore(SIGQUIT, &qhand);
3933 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3934 do_execfree(); /* free any memory child malloced on vfork */
3940 while (n < sizeof(int)) {
3941 n1 = PerlLIO_read(pp[0],
3942 (void*)(((char*)&errkid)+n),
3948 PerlLIO_close(pp[0]);
3949 if (n) { /* Error */
3950 if (n != sizeof(int))
3951 DIE(aTHX_ "panic: kid popen errno read");
3952 errno = errkid; /* Propagate errno from kid */
3953 STATUS_CURRENT = -1;
3956 PUSHi(STATUS_CURRENT);
3960 PerlLIO_close(pp[0]);
3961 #if defined(HAS_FCNTL) && defined(F_SETFD)
3962 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3965 if (PL_op->op_flags & OPf_STACKED) {
3966 SV *really = *++MARK;
3967 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3969 else if (SP - MARK != 1)
3970 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3972 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3975 #else /* ! FORK or VMS or OS/2 */
3978 if (PL_op->op_flags & OPf_STACKED) {
3979 SV *really = *++MARK;
3980 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3982 else if (SP - MARK != 1)
3983 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3985 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3987 if (PL_statusvalue == -1) /* hint that value must be returned as is */
3989 STATUS_NATIVE_SET(value);
3992 PUSHi(result ? value : STATUS_CURRENT);
3993 #endif /* !FORK or VMS */
3999 djSP; dMARK; dORIGMARK; dTARGET;
4003 PERL_FLUSHALL_FOR_CHILD;
4004 if (PL_op->op_flags & OPf_STACKED) {
4005 SV *really = *++MARK;
4006 value = (I32)do_aexec(really, MARK, SP);
4008 else if (SP - MARK != 1)
4010 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
4014 (void ) do_aspawn(Nullsv, MARK, SP);
4018 value = (I32)do_aexec(Nullsv, MARK, SP);
4023 char *junk = SvPV(*SP, n_a);
4025 TAINT_PROPER("exec");
4028 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4031 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
4034 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4039 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
4051 djSP; dMARK; dTARGET;
4054 value = (I32)apply(PL_op->op_type, MARK, SP);
4059 DIE(aTHX_ PL_no_func, "Unsupported function kill");
4067 XPUSHi( getppid() );
4070 DIE(aTHX_ PL_no_func, "getppid");
4086 pgrp = (I32)BSD_GETPGRP(pid);
4088 if (pid != 0 && pid != PerlProc_getpid())
4089 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4095 DIE(aTHX_ PL_no_func, "getpgrp()");
4114 TAINT_PROPER("setpgrp");
4116 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4118 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4119 || (pid != 0 && pid != PerlProc_getpid()))
4121 DIE(aTHX_ "setpgrp can't take arguments");
4123 SETi( setpgrp() >= 0 );
4124 #endif /* USE_BSDPGRP */
4127 DIE(aTHX_ PL_no_func, "setpgrp()");
4136 #ifdef HAS_GETPRIORITY
4139 SETi( getpriority(which, who) );
4142 DIE(aTHX_ PL_no_func, "getpriority()");
4152 #ifdef HAS_SETPRIORITY
4156 TAINT_PROPER("setpriority");
4157 SETi( setpriority(which, who, niceval) >= 0 );
4160 DIE(aTHX_ PL_no_func, "setpriority()");
4170 XPUSHn( time(Null(Time_t*)) );
4172 XPUSHi( time(Null(Time_t*)) );
4177 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4178 to HZ. Probably. For now, assume that if the system
4179 defines HZ, it does so correctly. (Will this break
4181 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4182 it's supported. --AD 9/96.
4198 DIE(aTHX_ "times not implemented");
4203 (void)PerlProc_times(&PL_timesbuf);
4205 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4206 /* struct tms, though same data */
4210 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4211 if (GIMME == G_ARRAY) {
4212 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4213 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4214 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4217 #endif /* HAS_TIMES */
4230 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4231 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4232 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4238 when = (Time_t)SvNVx(POPs);
4240 when = (Time_t)SvIVx(POPs);
4243 if (PL_op->op_type == OP_LOCALTIME)
4244 tmbuf = localtime(&when);
4246 tmbuf = gmtime(&when);
4250 if (GIMME != G_ARRAY) {
4254 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4255 dayname[tmbuf->tm_wday],
4256 monname[tmbuf->tm_mon],
4261 tmbuf->tm_year + 1900);
4262 PUSHs(sv_2mortal(tsv));
4265 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4266 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4267 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4268 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4269 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4270 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4271 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4272 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4273 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4284 anum = alarm((unsigned int)anum);
4291 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4302 (void)time(&lasttime);
4307 PerlProc_sleep((unsigned int)duration);
4310 XPUSHi(when - lasttime);
4314 /* Shared memory. */
4328 return pp_shmwrite();
4333 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4334 djSP; dMARK; dTARGET;
4335 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4344 /* Message passing. */
4358 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4359 djSP; dMARK; dTARGET;
4360 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4371 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4372 djSP; dMARK; dTARGET;
4373 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4386 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4387 djSP; dMARK; dTARGET;
4388 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4395 DIE(aTHX_ "System V IPC is not implemented on this machine");
4401 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4402 djSP; dMARK; dTARGET;
4403 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4411 PUSHp(zero_but_true, ZBTLEN);
4421 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4422 djSP; dMARK; dTARGET;
4423 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4432 /* Get system info. */
4436 #ifdef HAS_GETHOSTBYNAME
4437 return pp_ghostent();
4439 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4445 #ifdef HAS_GETHOSTBYADDR
4446 return pp_ghostent();
4448 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4455 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4456 I32 which = PL_op->op_type;
4457 register char **elem;
4459 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4460 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4461 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4462 struct hostent *PerlSock_gethostent(void);
4464 struct hostent *hent;
4469 if (which == OP_GHBYNAME)
4470 #ifdef HAS_GETHOSTBYNAME
4471 hent = PerlSock_gethostbyname(POPpx);
4473 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4475 else if (which == OP_GHBYADDR) {
4476 #ifdef HAS_GETHOSTBYADDR
4477 int addrtype = POPi;
4480 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4482 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4484 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4488 #ifdef HAS_GETHOSTENT
4489 hent = PerlSock_gethostent();
4491 DIE(aTHX_ PL_no_sock_func, "gethostent");
4494 #ifdef HOST_NOT_FOUND
4496 STATUS_NATIVE_SET(h_errno);
4499 if (GIMME != G_ARRAY) {
4500 PUSHs(sv = sv_newmortal());
4502 if (which == OP_GHBYNAME) {
4504 sv_setpvn(sv, hent->h_addr, hent->h_length);
4507 sv_setpv(sv, (char*)hent->h_name);
4513 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4514 sv_setpv(sv, (char*)hent->h_name);
4515 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4516 for (elem = hent->h_aliases; elem && *elem; elem++) {
4517 sv_catpv(sv, *elem);
4519 sv_catpvn(sv, " ", 1);
4521 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4522 sv_setiv(sv, (IV)hent->h_addrtype);
4523 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4524 len = hent->h_length;
4525 sv_setiv(sv, (IV)len);
4527 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4528 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4529 sv_setpvn(sv, *elem, len);
4532 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4534 sv_setpvn(sv, hent->h_addr, len);
4539 DIE(aTHX_ PL_no_sock_func, "gethostent");
4545 #ifdef HAS_GETNETBYNAME
4546 return pp_gnetent();
4548 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4554 #ifdef HAS_GETNETBYADDR
4555 return pp_gnetent();
4557 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4564 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4565 I32 which = PL_op->op_type;
4566 register char **elem;
4568 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4569 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4570 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4571 struct netent *PerlSock_getnetent(void);
4573 struct netent *nent;
4576 if (which == OP_GNBYNAME)
4577 #ifdef HAS_GETNETBYNAME
4578 nent = PerlSock_getnetbyname(POPpx);
4580 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4582 else if (which == OP_GNBYADDR) {
4583 #ifdef HAS_GETNETBYADDR
4584 int addrtype = POPi;
4585 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4586 nent = PerlSock_getnetbyaddr(addr, addrtype);
4588 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4592 #ifdef HAS_GETNETENT
4593 nent = PerlSock_getnetent();
4595 DIE(aTHX_ PL_no_sock_func, "getnetent");
4599 if (GIMME != G_ARRAY) {
4600 PUSHs(sv = sv_newmortal());
4602 if (which == OP_GNBYNAME)
4603 sv_setiv(sv, (IV)nent->n_net);
4605 sv_setpv(sv, nent->n_name);
4611 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4612 sv_setpv(sv, nent->n_name);
4613 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4614 for (elem = nent->n_aliases; elem && *elem; elem++) {
4615 sv_catpv(sv, *elem);
4617 sv_catpvn(sv, " ", 1);
4619 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4620 sv_setiv(sv, (IV)nent->n_addrtype);
4621 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4622 sv_setiv(sv, (IV)nent->n_net);
4627 DIE(aTHX_ PL_no_sock_func, "getnetent");
4633 #ifdef HAS_GETPROTOBYNAME
4634 return pp_gprotoent();
4636 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4642 #ifdef HAS_GETPROTOBYNUMBER
4643 return pp_gprotoent();
4645 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4652 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4653 I32 which = PL_op->op_type;
4654 register char **elem;
4656 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4657 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4658 struct protoent *PerlSock_getprotobynumber(int);
4659 struct protoent *PerlSock_getprotoent(void);
4661 struct protoent *pent;
4664 if (which == OP_GPBYNAME)
4665 #ifdef HAS_GETPROTOBYNAME
4666 pent = PerlSock_getprotobyname(POPpx);
4668 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4670 else if (which == OP_GPBYNUMBER)
4671 #ifdef HAS_GETPROTOBYNUMBER
4672 pent = PerlSock_getprotobynumber(POPi);
4674 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4677 #ifdef HAS_GETPROTOENT
4678 pent = PerlSock_getprotoent();
4680 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4684 if (GIMME != G_ARRAY) {
4685 PUSHs(sv = sv_newmortal());
4687 if (which == OP_GPBYNAME)
4688 sv_setiv(sv, (IV)pent->p_proto);
4690 sv_setpv(sv, pent->p_name);
4696 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4697 sv_setpv(sv, pent->p_name);
4698 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4699 for (elem = pent->p_aliases; elem && *elem; elem++) {
4700 sv_catpv(sv, *elem);
4702 sv_catpvn(sv, " ", 1);
4704 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4705 sv_setiv(sv, (IV)pent->p_proto);
4710 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4716 #ifdef HAS_GETSERVBYNAME
4717 return pp_gservent();
4719 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4725 #ifdef HAS_GETSERVBYPORT
4726 return pp_gservent();
4728 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4735 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4736 I32 which = PL_op->op_type;
4737 register char **elem;
4739 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4740 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4741 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4742 struct servent *PerlSock_getservent(void);
4744 struct servent *sent;
4747 if (which == OP_GSBYNAME) {
4748 #ifdef HAS_GETSERVBYNAME
4749 char *proto = POPpx;
4752 if (proto && !*proto)
4755 sent = PerlSock_getservbyname(name, proto);
4757 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4760 else if (which == OP_GSBYPORT) {
4761 #ifdef HAS_GETSERVBYPORT
4762 char *proto = POPpx;
4763 unsigned short port = POPu;
4766 port = PerlSock_htons(port);
4768 sent = PerlSock_getservbyport(port, proto);
4770 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4774 #ifdef HAS_GETSERVENT
4775 sent = PerlSock_getservent();
4777 DIE(aTHX_ PL_no_sock_func, "getservent");
4781 if (GIMME != G_ARRAY) {
4782 PUSHs(sv = sv_newmortal());
4784 if (which == OP_GSBYNAME) {
4786 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4788 sv_setiv(sv, (IV)(sent->s_port));
4792 sv_setpv(sv, sent->s_name);
4798 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4799 sv_setpv(sv, sent->s_name);
4800 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4801 for (elem = sent->s_aliases; elem && *elem; elem++) {
4802 sv_catpv(sv, *elem);
4804 sv_catpvn(sv, " ", 1);
4806 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4808 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4810 sv_setiv(sv, (IV)(sent->s_port));
4812 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4813 sv_setpv(sv, sent->s_proto);
4818 DIE(aTHX_ PL_no_sock_func, "getservent");
4825 #ifdef HAS_SETHOSTENT
4826 PerlSock_sethostent(TOPi);
4829 DIE(aTHX_ PL_no_sock_func, "sethostent");
4836 #ifdef HAS_SETNETENT
4837 PerlSock_setnetent(TOPi);
4840 DIE(aTHX_ PL_no_sock_func, "setnetent");
4847 #ifdef HAS_SETPROTOENT
4848 PerlSock_setprotoent(TOPi);
4851 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4858 #ifdef HAS_SETSERVENT
4859 PerlSock_setservent(TOPi);
4862 DIE(aTHX_ PL_no_sock_func, "setservent");
4869 #ifdef HAS_ENDHOSTENT
4870 PerlSock_endhostent();
4874 DIE(aTHX_ PL_no_sock_func, "endhostent");
4881 #ifdef HAS_ENDNETENT
4882 PerlSock_endnetent();
4886 DIE(aTHX_ PL_no_sock_func, "endnetent");
4893 #ifdef HAS_ENDPROTOENT
4894 PerlSock_endprotoent();
4898 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4905 #ifdef HAS_ENDSERVENT
4906 PerlSock_endservent();
4910 DIE(aTHX_ PL_no_sock_func, "endservent");
4919 DIE(aTHX_ PL_no_func, "getpwnam");
4928 DIE(aTHX_ PL_no_func, "getpwuid");
4936 I32 which = PL_op->op_type;
4939 struct passwd *pwent = NULL;
4941 * We currently support only the SysV getsp* shadow password interface.
4942 * The interface is declared in <shadow.h> and often one needs to link
4943 * with -lsecurity or some such.
4944 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
4947 * AIX getpwnam() is clever enough to return the encrypted password
4948 * only if the caller (euid?) is root.
4950 * There are at least two other shadow password APIs. Many platforms
4951 * seem to contain more than one interface for accessing the shadow
4952 * password databases, possibly for compatibility reasons.
4953 * The getsp*() is by far he simplest one, the other two interfaces
4954 * are much more complicated, but also very similar to each other.
4959 * struct pr_passwd *getprpw*();
4960 * The password is in
4961 * char getprpw*(...).ufld.fd_encrypt[]
4962 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
4967 * struct es_passwd *getespw*();
4968 * The password is in
4969 * char *(getespw*(...).ufld.fd_encrypt)
4970 * Mention HAS_GETESPWNAM here so that Configure probes for it.
4972 * Mention I_PROT here so that Configure probes for it.
4974 * In HP-UX for getprpw*() the manual page claims that one should include
4975 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
4976 * if one includes <shadow.h> as that includes <hpsecurity.h>,
4977 * and pp_sys.c already includes <shadow.h> if there is such.
4979 * Note that <sys/security.h> is already probed for, but currently
4980 * it is only included in special cases.
4982 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
4983 * be preferred interface, even though also the getprpw*() interface
4984 * is available) one needs to link with -lsecurity -ldb -laud -lm.
4985 * One also needs to call set_auth_parameters() in main() before
4986 * doing anything else, whether one is using getespw*() or getprpw*().
4988 * Note that accessing the shadow databases can be magnitudes
4989 * slower than accessing the standard databases.
4996 pwent = getpwnam(POPpx);
4999 pwent = getpwuid((Uid_t)POPi);
5002 # ifdef HAS_GETPWENT
5005 DIE(aTHX_ PL_no_func, "getpwent");
5011 if (GIMME != G_ARRAY) {
5012 PUSHs(sv = sv_newmortal());
5014 if (which == OP_GPWNAM)
5015 # if Uid_t_sign <= 0
5016 sv_setiv(sv, (IV)pwent->pw_uid);
5018 sv_setuv(sv, (UV)pwent->pw_uid);
5021 sv_setpv(sv, pwent->pw_name);
5027 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5028 sv_setpv(sv, pwent->pw_name);
5030 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5032 /* If we have getspnam(), we try to dig up the shadow
5033 * password. If we are underprivileged, the shadow
5034 * interface will set the errno to EACCES or similar,
5035 * and return a null pointer. If this happens, we will
5036 * use the dummy password (usually "*" or "x") from the
5037 * standard password database.
5039 * In theory we could skip the shadow call completely
5040 * if euid != 0 but in practice we cannot know which
5041 * security measures are guarding the shadow databases
5042 * on a random platform.
5044 * Resist the urge to use additional shadow interfaces.
5045 * Divert the urge to writing an extension instead.
5048 # ifdef HAS_GETSPNAM
5050 struct spwd *spwent;
5051 int saverrno; /* Save and restore errno so that
5052 * underprivileged attempts seem
5053 * to have never made the unsccessful
5054 * attempt to retrieve the shadow password. */
5057 spwent = getspnam(pwent->pw_name);
5059 if (spwent && spwent->sp_pwdp)
5060 sv_setpv(sv, spwent->sp_pwdp);
5064 if (!SvPOK(sv)) /* Use the standard password, then. */
5065 sv_setpv(sv, pwent->pw_passwd);
5068 # ifndef INCOMPLETE_TAINTS
5069 /* passwd is tainted because user himself can diddle with it.
5070 * admittedly not much and in a very limited way, but nevertheless. */
5074 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5075 # if Uid_t_sign <= 0
5076 sv_setiv(sv, (IV)pwent->pw_uid);
5078 sv_setuv(sv, (UV)pwent->pw_uid);
5081 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5082 # if Uid_t_sign <= 0
5083 sv_setiv(sv, (IV)pwent->pw_gid);
5085 sv_setuv(sv, (UV)pwent->pw_gid);
5087 /* pw_change, pw_quota, and pw_age are mutually exclusive--
5088 * because of the poor interface of the Perl getpw*(),
5089 * not because there's some standard/convention saying so.
5090 * A better interface would have been to return a hash,
5091 * but we are accursed by our history, alas. --jhi. */
5092 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5094 sv_setiv(sv, (IV)pwent->pw_change);
5097 sv_setiv(sv, (IV)pwent->pw_quota);
5100 sv_setpv(sv, pwent->pw_age);
5105 /* pw_class and pw_comment are mutually exclusive--.
5106 * see the above note for pw_change, pw_quota, and pw_age. */
5107 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5109 sv_setpv(sv, pwent->pw_class);
5112 sv_setpv(sv, pwent->pw_comment);
5116 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5118 sv_setpv(sv, pwent->pw_gecos);
5120 # ifndef INCOMPLETE_TAINTS
5121 /* pw_gecos is tainted because user himself can diddle with it. */
5125 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5126 sv_setpv(sv, pwent->pw_dir);
5128 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5129 sv_setpv(sv, pwent->pw_shell);
5130 # ifndef INCOMPLETE_TAINTS
5131 /* pw_shell is tainted because user himself can diddle with it. */
5136 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5137 sv_setiv(sv, (IV)pwent->pw_expire);
5142 DIE(aTHX_ PL_no_func, "getpwent");
5149 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5153 DIE(aTHX_ PL_no_func, "setpwent");
5160 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5164 DIE(aTHX_ PL_no_func, "endpwent");
5173 DIE(aTHX_ PL_no_func, "getgrnam");
5182 DIE(aTHX_ PL_no_func, "getgrgid");
5190 I32 which = PL_op->op_type;
5191 register char **elem;
5193 struct group *grent;
5196 if (which == OP_GGRNAM)
5197 grent = (struct group *)getgrnam(POPpx);
5198 else if (which == OP_GGRGID)
5199 grent = (struct group *)getgrgid(POPi);
5202 grent = (struct group *)getgrent();
5204 DIE(aTHX_ PL_no_func, "getgrent");
5208 if (GIMME != G_ARRAY) {
5209 PUSHs(sv = sv_newmortal());
5211 if (which == OP_GGRNAM)
5212 sv_setiv(sv, (IV)grent->gr_gid);
5214 sv_setpv(sv, grent->gr_name);
5220 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5221 sv_setpv(sv, grent->gr_name);
5223 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5225 sv_setpv(sv, grent->gr_passwd);
5228 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5229 sv_setiv(sv, (IV)grent->gr_gid);
5231 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5232 for (elem = grent->gr_mem; elem && *elem; elem++) {
5233 sv_catpv(sv, *elem);
5235 sv_catpvn(sv, " ", 1);
5241 DIE(aTHX_ PL_no_func, "getgrent");
5248 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5252 DIE(aTHX_ PL_no_func, "setgrent");
5259 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5263 DIE(aTHX_ PL_no_func, "endgrent");
5273 if (!(tmps = PerlProc_getlogin()))
5275 PUSHp(tmps, strlen(tmps));
5278 DIE(aTHX_ PL_no_func, "getlogin");
5282 /* Miscellaneous. */
5287 djSP; dMARK; dORIGMARK; dTARGET;
5288 register I32 items = SP - MARK;
5289 unsigned long a[20];
5295 while (++MARK <= SP) {
5296 if (SvTAINTED(*MARK)) {
5302 TAINT_PROPER("syscall");
5305 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5306 * or where sizeof(long) != sizeof(char*). But such machines will
5307 * not likely have syscall implemented either, so who cares?
5309 while (++MARK <= SP) {
5310 if (SvNIOK(*MARK) || !i)
5311 a[i++] = SvIV(*MARK);
5312 else if (*MARK == &PL_sv_undef)
5315 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5321 DIE(aTHX_ "Too many args to syscall");
5323 DIE(aTHX_ "Too few args to syscall");
5325 retval = syscall(a[0]);
5328 retval = syscall(a[0],a[1]);
5331 retval = syscall(a[0],a[1],a[2]);
5334 retval = syscall(a[0],a[1],a[2],a[3]);
5337 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5340 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5343 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5346 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5350 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5353 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5356 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5360 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5364 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5368 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5369 a[10],a[11],a[12],a[13]);
5371 #endif /* atarist */
5377 DIE(aTHX_ PL_no_func, "syscall");
5381 #ifdef FCNTL_EMULATE_FLOCK
5383 /* XXX Emulate flock() with fcntl().
5384 What's really needed is a good file locking module.
5388 fcntl_emulate_flock(int fd, int operation)
5392 switch (operation & ~LOCK_NB) {
5394 flock.l_type = F_RDLCK;
5397 flock.l_type = F_WRLCK;
5400 flock.l_type = F_UNLCK;
5406 flock.l_whence = SEEK_SET;
5407 flock.l_start = flock.l_len = (Off_t)0;
5409 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5412 #endif /* FCNTL_EMULATE_FLOCK */
5414 #ifdef LOCKF_EMULATE_FLOCK
5416 /* XXX Emulate flock() with lockf(). This is just to increase
5417 portability of scripts. The calls are not completely
5418 interchangeable. What's really needed is a good file
5422 /* The lockf() constants might have been defined in <unistd.h>.
5423 Unfortunately, <unistd.h> causes troubles on some mixed
5424 (BSD/POSIX) systems, such as SunOS 4.1.3.
5426 Further, the lockf() constants aren't POSIX, so they might not be
5427 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5428 just stick in the SVID values and be done with it. Sigh.
5432 # define F_ULOCK 0 /* Unlock a previously locked region */
5435 # define F_LOCK 1 /* Lock a region for exclusive use */
5438 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5441 # define F_TEST 3 /* Test a region for other processes locks */
5445 lockf_emulate_flock(int fd, int operation)
5451 /* flock locks entire file so for lockf we need to do the same */
5453 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5454 if (pos > 0) /* is seekable and needs to be repositioned */
5455 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5456 pos = -1; /* seek failed, so don't seek back afterwards */
5459 switch (operation) {
5461 /* LOCK_SH - get a shared lock */
5463 /* LOCK_EX - get an exclusive lock */
5465 i = lockf (fd, F_LOCK, 0);
5468 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5469 case LOCK_SH|LOCK_NB:
5470 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5471 case LOCK_EX|LOCK_NB:
5472 i = lockf (fd, F_TLOCK, 0);
5474 if ((errno == EAGAIN) || (errno == EACCES))
5475 errno = EWOULDBLOCK;
5478 /* LOCK_UN - unlock (non-blocking is a no-op) */
5480 case LOCK_UN|LOCK_NB:
5481 i = lockf (fd, F_ULOCK, 0);
5484 /* Default - can't decipher operation */
5491 if (pos > 0) /* need to restore position of the handle */
5492 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5497 #endif /* LOCKF_EMULATE_FLOCK */