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;
1477 Sock_size_t bufsize;
1483 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1484 (mg = SvTIED_mg((SV*)gv, 'q')))
1489 *MARK = SvTIED_obj((SV*)gv, mg);
1491 call_method("READ", G_SCALAR);
1504 sv_setpvn(bufsv, "", 0);
1505 length = SvIVx(*++MARK);
1508 offset = SvIVx(*++MARK);
1512 if (!io || !IoIFP(io))
1514 if (PerlIO_isutf8(IoIFP(io))) {
1515 buffer = SvPVutf8_force(bufsv, blen);
1518 buffer = SvPV_force(bufsv, blen);
1521 DIE(aTHX_ "Negative length");
1524 if (PL_op->op_type == OP_RECV) {
1525 char namebuf[MAXPATHLEN];
1526 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1527 bufsize = sizeof (struct sockaddr_in);
1529 bufsize = sizeof namebuf;
1531 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1535 buffer = SvGROW(bufsv, length+1);
1536 /* 'offset' means 'flags' here */
1537 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1538 (struct sockaddr *)namebuf, &bufsize);
1541 SvCUR_set(bufsv, length);
1542 *SvEND(bufsv) = '\0';
1543 (void)SvPOK_only(bufsv);
1545 /* This should not be marked tainted if the fp is marked clean */
1546 if (!(IoFLAGS(io) & IOf_UNTAINT))
1547 SvTAINTED_on(bufsv);
1549 sv_setpvn(TARG, namebuf, bufsize);
1554 if (PL_op->op_type == OP_RECV)
1555 DIE(aTHX_ PL_no_sock_func, "recv");
1557 if (SvUTF8(bufsv) && offset) {
1559 Perl_croak(aTHX_ "Non zero offset not supported yet for utf8");
1563 DIE(aTHX_ "Offset outside string");
1566 bufsize = SvCUR(bufsv);
1567 buffer = SvGROW(bufsv, length+offset+1);
1568 if (offset > bufsize) { /* Zero any newly allocated space */
1569 Zero(buffer+bufsize, offset-bufsize, char);
1571 if (PL_op->op_type == OP_SYSREAD) {
1572 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1573 if (IoTYPE(io) == IoTYPE_SOCKET) {
1574 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1575 buffer+offset, length, 0);
1580 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1581 buffer+offset, length);
1585 #ifdef HAS_SOCKET__bad_code_maybe
1586 if (IoTYPE(io) == IoTYPE_SOCKET) {
1587 char namebuf[MAXPATHLEN];
1588 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1589 bufsize = sizeof (struct sockaddr_in);
1591 bufsize = sizeof namebuf;
1593 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1594 (struct sockaddr *)namebuf, &bufsize);
1599 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1600 /* fread() returns 0 on both error and EOF */
1601 if (length == 0 && PerlIO_error(IoIFP(io)))
1605 if ((IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout()
1606 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1608 /* integrate with report_evil_fh()? */
1611 SV* sv = sv_newmortal();
1612 gv_efullname4(sv, gv, Nullch, FALSE);
1613 name = SvPV_nolen(sv);
1616 Perl_warner(aTHX_ WARN_IO,
1617 "Filehandle %s opened only for output", name);
1619 Perl_warner(aTHX_ WARN_IO,
1620 "Filehandle opened only for output");
1624 SvCUR_set(bufsv, length+offset);
1625 *SvEND(bufsv) = '\0';
1626 (void)SvPOK_only(bufsv);
1628 /* This should not be marked tainted if the fp is marked clean */
1629 if (!(IoFLAGS(io) & IOf_UNTAINT))
1630 SvTAINTED_on(bufsv);
1643 int items = (SP - PL_stack_base) - TOPMARK;
1647 sv = sv_2mortal(newSViv(sv_len(*SP)));
1656 djSP; dMARK; dORIGMARK; dTARGET;
1667 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1671 *MARK = SvTIED_obj((SV*)gv, mg);
1673 call_method("WRITE", G_SCALAR);
1684 #if Size_t_size > IVSIZE
1685 length = (Size_t)SvNVx(*++MARK);
1687 length = (Size_t)SvIVx(*++MARK);
1689 if ((SSize_t)length < 0)
1690 DIE(aTHX_ "Negative length");
1693 if (!io || !IoIFP(io)) {
1695 if (ckWARN(WARN_CLOSED))
1696 report_evil_fh(gv, io, PL_op->op_type);
1700 if (PerlIO_isutf8(IoIFP(io))) {
1701 buffer = SvPVutf8(bufsv, blen);
1705 sv_utf8_downgrade(bufsv, FALSE);
1706 buffer = SvPV(bufsv, blen);
1709 if (PL_op->op_type == OP_SYSWRITE) {
1711 if (DO_UTF8(bufsv)) {
1712 /* length and offset are in chars */
1713 blen = sv_len_utf8(bufsv);
1716 offset = SvIVx(*++MARK);
1719 DIE(aTHX_ "Offset outside string");
1721 } else if (offset >= blen && blen > 0)
1722 DIE(aTHX_ "Offset outside string");
1725 if (length > blen - offset)
1726 length = blen - offset;
1727 if (DO_UTF8(bufsv)) {
1728 buffer = utf8_hop((U8 *)buffer, offset);
1729 length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer;
1732 buffer = buffer+offset;
1734 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1735 if (IoTYPE(io) == IoTYPE_SOCKET) {
1736 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1742 /* See the note at doio.c:do_print about filesize limits. --jhi */
1743 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1748 else if (SP > MARK) {
1751 sockbuf = SvPVx(*++MARK, mlen);
1752 /* length is really flags */
1753 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1754 length, (struct sockaddr *)sockbuf, mlen);
1757 /* length is really flags */
1758 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1761 DIE(aTHX_ PL_no_sock_func, "send");
1766 #if Size_t_size > IVSIZE
1780 return pp_sysread();
1790 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1792 gv = PL_last_in_gv = PL_argvgv;
1794 if (io && !IoIFP(io)) {
1795 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1797 IoFLAGS(io) &= ~IOf_START;
1798 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1799 sv_setpvn(GvSV(gv), "-", 1);
1800 SvSETMAGIC(GvSV(gv));
1802 else if (!nextargv(gv))
1807 gv = PL_last_in_gv; /* eof */
1810 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1812 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1814 XPUSHs(SvTIED_obj((SV*)gv, mg));
1817 call_method("EOF", G_SCALAR);
1823 PUSHs(boolSV(!gv || do_eof(gv)));
1836 gv = PL_last_in_gv = (GV*)POPs;
1838 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1840 XPUSHs(SvTIED_obj((SV*)gv, mg));
1843 call_method("TELL", G_SCALAR);
1849 #if LSEEKSIZE > IVSIZE
1850 PUSHn( do_tell(gv) );
1852 PUSHi( do_tell(gv) );
1859 return pp_sysseek();
1867 #if LSEEKSIZE > IVSIZE
1868 Off_t offset = (Off_t)SvNVx(POPs);
1870 Off_t offset = (Off_t)SvIVx(POPs);
1874 gv = PL_last_in_gv = (GV*)POPs;
1876 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1878 XPUSHs(SvTIED_obj((SV*)gv, mg));
1879 #if LSEEKSIZE > IVSIZE
1880 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1882 XPUSHs(sv_2mortal(newSViv(offset)));
1884 XPUSHs(sv_2mortal(newSViv(whence)));
1887 call_method("SEEK", G_SCALAR);
1893 if (PL_op->op_type == OP_SEEK)
1894 PUSHs(boolSV(do_seek(gv, offset, whence)));
1896 Off_t sought = do_sysseek(gv, offset, whence);
1898 PUSHs(&PL_sv_undef);
1901 #if LSEEKSIZE > IVSIZE
1906 : newSVpvn(zero_but_true, ZBTLEN);
1907 PUSHs(sv_2mortal(sv));
1916 /* There seems to be no consensus on the length type of truncate()
1917 * and ftruncate(), both off_t and size_t have supporters. In
1918 * general one would think that when using large files, off_t is
1919 * at least as wide as size_t, so using an off_t should be okay. */
1920 /* XXX Configure probe for the length type of *truncate() needed XXX */
1926 #if Size_t_size > IVSIZE
1931 /* Checking for length < 0 is problematic as the type might or
1932 * might not be signed: if it is not, clever compilers will moan. */
1933 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1935 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1936 if (PL_op->op_flags & OPf_SPECIAL) {
1937 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1939 TAINT_PROPER("truncate");
1940 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1943 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
1945 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1947 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1957 if (SvTYPE(sv) == SVt_PVGV) {
1958 tmpgv = (GV*)sv; /* *main::FRED for example */
1961 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1962 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1966 name = SvPV(sv, n_a);
1967 TAINT_PROPER("truncate");
1969 if (truncate(name, len) < 0)
1974 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1977 if (my_chsize(tmpfd, len) < 0)
1979 PerlLIO_close(tmpfd);
1988 SETERRNO(EBADF,RMS$_IFI);
1991 DIE(aTHX_ "truncate not implemented");
2004 unsigned int func = U_I(POPn);
2005 int optype = PL_op->op_type;
2011 if (!io || !argsv || !IoIFP(io)) {
2012 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
2016 if (SvPOK(argsv) || !SvNIOK(argsv)) {
2019 s = SvPV_force(argsv, len);
2020 need = IOCPARM_LEN(func);
2022 s = Sv_Grow(argsv, need + 1);
2023 SvCUR_set(argsv, need);
2026 s[SvCUR(argsv)] = 17; /* a little sanity check here */
2029 retval = SvIV(argsv);
2030 s = INT2PTR(char*,retval); /* ouch */
2033 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
2035 if (optype == OP_IOCTL)
2037 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
2039 DIE(aTHX_ "ioctl is not implemented");
2043 #if defined(OS2) && defined(__EMX__)
2044 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
2046 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2049 DIE(aTHX_ "fcntl is not implemented");
2053 if (s[SvCUR(argsv)] != 17)
2054 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2055 PL_op_name[optype]);
2056 s[SvCUR(argsv)] = 0; /* put our null back */
2057 SvSETMAGIC(argsv); /* Assume it has changed */
2066 PUSHp(zero_but_true, ZBTLEN);
2086 if (gv && (io = GvIO(gv)))
2093 (void)PerlIO_flush(fp);
2094 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2097 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2098 report_evil_fh(gv, io, PL_op->op_type);
2100 SETERRNO(EBADF,RMS$_IFI);
2105 DIE(aTHX_ PL_no_func, "flock()");
2117 int protocol = POPi;
2125 SETERRNO(EBADF,LIB$_INVARG);
2131 do_close(gv, FALSE);
2133 TAINT_PROPER("socket");
2134 fd = PerlSock_socket(domain, type, protocol);
2137 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2138 IoOFP(io) = PerlIO_fdopen(fd, "w");
2139 IoTYPE(io) = IoTYPE_SOCKET;
2140 if (!IoIFP(io) || !IoOFP(io)) {
2141 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2142 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2143 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2146 #if defined(HAS_FCNTL) && defined(F_SETFD)
2147 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2152 DIE(aTHX_ PL_no_sock_func, "socket");
2159 #ifdef HAS_SOCKETPAIR
2164 int protocol = POPi;
2177 do_close(gv1, FALSE);
2179 do_close(gv2, FALSE);
2181 TAINT_PROPER("socketpair");
2182 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2184 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2185 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2186 IoTYPE(io1) = IoTYPE_SOCKET;
2187 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2188 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2189 IoTYPE(io2) = IoTYPE_SOCKET;
2190 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2191 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2192 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2193 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2194 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2195 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2196 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2199 #if defined(HAS_FCNTL) && defined(F_SETFD)
2200 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2201 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2206 DIE(aTHX_ PL_no_sock_func, "socketpair");
2214 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2215 extern GETPRIVMODE();
2216 extern GETUSERMODE();
2221 register IO *io = GvIOn(gv);
2225 int mpeprivmode = 0;
2228 if (!io || !IoIFP(io))
2231 addr = SvPV(addrsv, len);
2232 TAINT_PROPER("bind");
2233 #ifdef MPE /* Deal with MPE bind() peculiarities */
2234 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2235 /* The address *MUST* stupidly be zero. */
2236 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2237 /* PRIV mode is required to bind() to ports < 1024. */
2238 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2239 ((struct sockaddr_in *)addr)->sin_port > 0) {
2240 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2245 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2246 (struct sockaddr *)addr, len) >= 0)
2249 #ifdef MPE /* Switch back to USER mode */
2260 if (ckWARN(WARN_CLOSED))
2261 report_evil_fh(gv, io, PL_op->op_type);
2262 SETERRNO(EBADF,SS$_IVCHAN);
2265 DIE(aTHX_ PL_no_sock_func, "bind");
2276 register IO *io = GvIOn(gv);
2279 if (!io || !IoIFP(io))
2282 addr = SvPV(addrsv, len);
2283 TAINT_PROPER("connect");
2284 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2290 if (ckWARN(WARN_CLOSED))
2291 report_evil_fh(gv, io, PL_op->op_type);
2292 SETERRNO(EBADF,SS$_IVCHAN);
2295 DIE(aTHX_ PL_no_sock_func, "connect");
2305 register IO *io = GvIOn(gv);
2307 if (!io || !IoIFP(io))
2310 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2316 if (ckWARN(WARN_CLOSED))
2317 report_evil_fh(gv, io, PL_op->op_type);
2318 SETERRNO(EBADF,SS$_IVCHAN);
2321 DIE(aTHX_ PL_no_sock_func, "listen");
2333 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2334 Sock_size_t len = sizeof saddr;
2346 if (!gstio || !IoIFP(gstio))
2351 do_close(ngv, FALSE);
2353 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2356 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2357 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2358 IoTYPE(nstio) = IoTYPE_SOCKET;
2359 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2360 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2361 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2362 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2365 #if defined(HAS_FCNTL) && defined(F_SETFD)
2366 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2370 len = sizeof saddr; /* EPOC somehow truncates info */
2373 PUSHp((char *)&saddr, len);
2377 if (ckWARN(WARN_CLOSED))
2378 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2379 SETERRNO(EBADF,SS$_IVCHAN);
2385 DIE(aTHX_ PL_no_sock_func, "accept");
2395 register IO *io = GvIOn(gv);
2397 if (!io || !IoIFP(io))
2400 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2404 if (ckWARN(WARN_CLOSED))
2405 report_evil_fh(gv, io, PL_op->op_type);
2406 SETERRNO(EBADF,SS$_IVCHAN);
2409 DIE(aTHX_ PL_no_sock_func, "shutdown");
2416 return pp_ssockopt();
2418 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2426 int optype = PL_op->op_type;
2429 unsigned int optname;
2435 if (optype == OP_GSOCKOPT)
2436 sv = sv_2mortal(NEWSV(22, 257));
2439 optname = (unsigned int) POPi;
2440 lvl = (unsigned int) POPi;
2444 if (!io || !IoIFP(io))
2447 fd = PerlIO_fileno(IoIFP(io));
2451 (void)SvPOK_only(sv);
2455 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2470 aint = (int)SvIV(sv);
2474 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2483 if (ckWARN(WARN_CLOSED))
2484 report_evil_fh(gv, io, optype);
2485 SETERRNO(EBADF,SS$_IVCHAN);
2490 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2497 return pp_getpeername();
2499 DIE(aTHX_ PL_no_sock_func, "getsockname");
2507 int optype = PL_op->op_type;
2511 register IO *io = GvIOn(gv);
2514 if (!io || !IoIFP(io))
2517 sv = sv_2mortal(NEWSV(22, 257));
2518 (void)SvPOK_only(sv);
2522 fd = PerlIO_fileno(IoIFP(io));
2524 case OP_GETSOCKNAME:
2525 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2528 case OP_GETPEERNAME:
2529 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2531 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2533 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";
2534 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2535 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2536 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2537 sizeof(u_short) + sizeof(struct in_addr))) {
2544 #ifdef BOGUS_GETNAME_RETURN
2545 /* Interactive Unix, getpeername() and getsockname()
2546 does not return valid namelen */
2547 if (len == BOGUS_GETNAME_RETURN)
2548 len = sizeof(struct sockaddr);
2556 if (ckWARN(WARN_CLOSED))
2557 report_evil_fh(gv, io, optype);
2558 SETERRNO(EBADF,SS$_IVCHAN);
2563 DIE(aTHX_ PL_no_sock_func, "getpeername");
2582 if (PL_op->op_flags & OPf_REF) {
2584 if (PL_op->op_type == OP_LSTAT) {
2585 if (PL_laststype != OP_LSTAT)
2586 Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
2587 if (ckWARN(WARN_IO) && gv != PL_defgv)
2588 Perl_warner(aTHX_ WARN_IO,
2589 "lstat() on filehandle %s", GvENAME(gv));
2590 /* Perl_my_lstat (-l) croak's on filehandle, why warn here? */
2594 if (gv != PL_defgv) {
2595 PL_laststype = OP_STAT;
2597 sv_setpv(PL_statname, "");
2598 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2599 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2601 if (PL_laststatval < 0) {
2602 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2603 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2609 if (SvTYPE(sv) == SVt_PVGV) {
2613 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2617 sv_setpv(PL_statname, SvPV(sv,n_a));
2620 PL_laststype = PL_op->op_type;
2621 if (PL_op->op_type == OP_LSTAT)
2622 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2625 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2626 if (PL_laststatval < 0) {
2627 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2628 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2634 if (gimme != G_ARRAY) {
2635 if (gimme != G_VOID)
2636 XPUSHs(boolSV(max));
2642 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2643 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2644 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2645 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2646 #if Uid_t_size > IVSIZE
2647 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2649 # if Uid_t_sign <= 0
2650 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2652 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2655 #if Gid_t_size > IVSIZE
2656 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2658 # if Gid_t_sign <= 0
2659 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2661 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2664 #ifdef USE_STAT_RDEV
2665 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2667 PUSHs(sv_2mortal(newSVpvn("", 0)));
2669 #if Off_t_size > IVSIZE
2670 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2672 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2675 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2676 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2677 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2679 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2680 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2681 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2683 #ifdef USE_STAT_BLOCKS
2684 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2685 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2687 PUSHs(sv_2mortal(newSVpvn("", 0)));
2688 PUSHs(sv_2mortal(newSVpvn("", 0)));
2698 #if defined(HAS_ACCESS) && defined(R_OK)
2700 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2701 result = access(TOPpx, R_OK);
2716 if (cando(S_IRUSR, 0, &PL_statcache))
2725 #if defined(HAS_ACCESS) && defined(W_OK)
2727 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2728 result = access(TOPpx, W_OK);
2743 if (cando(S_IWUSR, 0, &PL_statcache))
2752 #if defined(HAS_ACCESS) && defined(X_OK)
2754 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2755 result = access(TOPpx, X_OK);
2770 if (cando(S_IXUSR, 0, &PL_statcache))
2779 #ifdef PERL_EFF_ACCESS_R_OK
2781 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2782 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2797 if (cando(S_IRUSR, 1, &PL_statcache))
2806 #ifdef PERL_EFF_ACCESS_W_OK
2808 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2809 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2824 if (cando(S_IWUSR, 1, &PL_statcache))
2833 #ifdef PERL_EFF_ACCESS_X_OK
2835 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2836 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2851 if (cando(S_IXUSR, 1, &PL_statcache))
2858 I32 result = my_stat();
2867 return pp_ftrowned();
2872 I32 result = my_stat();
2876 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2884 I32 result = my_stat();
2888 if (PL_statcache.st_size == 0)
2895 I32 result = my_stat();
2899 #if Off_t_size > IVSIZE
2900 PUSHn(PL_statcache.st_size);
2902 PUSHi(PL_statcache.st_size);
2909 I32 result = my_stat();
2913 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2919 I32 result = my_stat();
2923 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2929 I32 result = my_stat();
2933 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2939 I32 result = my_stat();
2943 if (S_ISSOCK(PL_statcache.st_mode))
2950 I32 result = my_stat();
2954 if (S_ISCHR(PL_statcache.st_mode))
2961 I32 result = my_stat();
2965 if (S_ISBLK(PL_statcache.st_mode))
2972 I32 result = my_stat();
2976 if (S_ISREG(PL_statcache.st_mode))
2983 I32 result = my_stat();
2987 if (S_ISDIR(PL_statcache.st_mode))
2994 I32 result = my_stat();
2998 if (S_ISFIFO(PL_statcache.st_mode))
3005 I32 result = my_lstat();
3009 if (S_ISLNK(PL_statcache.st_mode))
3018 I32 result = my_stat();
3022 if (PL_statcache.st_mode & S_ISUID)
3032 I32 result = my_stat();
3036 if (PL_statcache.st_mode & S_ISGID)
3046 I32 result = my_stat();
3050 if (PL_statcache.st_mode & S_ISVTX)
3061 char *tmps = Nullch;
3064 if (PL_op->op_flags & OPf_REF)
3066 else if (isGV(TOPs))
3068 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3069 gv = (GV*)SvRV(POPs);
3071 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3073 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3074 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3075 else if (tmps && isDIGIT(*tmps))
3079 if (PerlLIO_isatty(fd))
3084 #if defined(atarist) /* this will work with atariST. Configure will
3085 make guesses for other systems. */
3086 # define FILE_base(f) ((f)->_base)
3087 # define FILE_ptr(f) ((f)->_ptr)
3088 # define FILE_cnt(f) ((f)->_cnt)
3089 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3099 register STDCHAR *s;
3106 if (PL_op->op_flags & OPf_REF)
3108 else if (isGV(TOPs))
3110 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3111 gv = (GV*)SvRV(POPs);
3117 if (gv == PL_defgv) {
3119 io = GvIO(PL_statgv);
3122 goto really_filename;
3127 PL_laststatval = -1;
3128 sv_setpv(PL_statname, "");
3129 io = GvIO(PL_statgv);
3131 if (io && IoIFP(io)) {
3132 if (! PerlIO_has_base(IoIFP(io)))
3133 DIE(aTHX_ "-T and -B not implemented on filehandles");
3134 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3135 if (PL_laststatval < 0)
3137 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3138 if (PL_op->op_type == OP_FTTEXT)
3142 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3143 i = PerlIO_getc(IoIFP(io));
3145 (void)PerlIO_ungetc(IoIFP(io),i);
3147 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3149 len = PerlIO_get_bufsiz(IoIFP(io));
3150 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3151 /* sfio can have large buffers - limit to 512 */
3156 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3158 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3160 SETERRNO(EBADF,RMS$_IFI);
3168 PL_laststatval = -1;
3169 sv_setpv(PL_statname, SvPV(sv, n_a));
3170 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3171 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3172 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3175 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3176 if (PL_laststatval < 0) {
3177 (void)PerlIO_close(fp);
3180 PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch);
3181 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3182 (void)PerlIO_close(fp);
3184 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3185 RETPUSHNO; /* special case NFS directories */
3186 RETPUSHYES; /* null file is anything */
3191 /* now scan s to look for textiness */
3192 /* XXX ASCII dependent code */
3194 #if defined(DOSISH) || defined(USEMYBINMODE)
3195 /* ignore trailing ^Z on short files */
3196 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3200 for (i = 0; i < len; i++, s++) {
3201 if (!*s) { /* null never allowed in text */
3206 else if (!(isPRINT(*s) || isSPACE(*s)))
3209 else if (*s & 128) {
3211 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3214 /* utf8 characters don't count as odd */
3216 int ulen = UTF8SKIP(s);
3217 if (ulen < len - i) {
3219 for (j = 1; j < ulen; j++) {
3220 if ((s[j] & 0xc0) != 0x80)
3223 --ulen; /* loop does extra increment */
3233 *s != '\n' && *s != '\r' && *s != '\b' &&
3234 *s != '\t' && *s != '\f' && *s != 27)
3239 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3263 if (!tmps || !*tmps) {
3264 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3266 tmps = SvPV(*svp, n_a);
3268 if (!tmps || !*tmps) {
3269 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3271 tmps = SvPV(*svp, n_a);
3274 if (!tmps || !*tmps) {
3275 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3277 tmps = SvPV(*svp, n_a);
3280 TAINT_PROPER("chdir");
3281 PUSHi( PerlDir_chdir(tmps) >= 0 );
3283 /* Clear the DEFAULT element of ENV so we'll get the new value
3285 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3292 djSP; dMARK; dTARGET;
3295 value = (I32)apply(PL_op->op_type, MARK, SP);
3300 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3311 TAINT_PROPER("chroot");
3312 PUSHi( chroot(tmps) >= 0 );
3315 DIE(aTHX_ PL_no_func, "chroot");
3321 djSP; dMARK; dTARGET;
3323 value = (I32)apply(PL_op->op_type, MARK, SP);
3331 djSP; dMARK; dTARGET;
3333 value = (I32)apply(PL_op->op_type, MARK, SP);
3341 djSP; dMARK; dTARGET;
3343 value = (I32)apply(PL_op->op_type, MARK, SP);
3355 char *tmps2 = POPpx;
3356 char *tmps = SvPV(TOPs, n_a);
3357 TAINT_PROPER("rename");
3359 anum = PerlLIO_rename(tmps, tmps2);
3361 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3362 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3365 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3366 (void)UNLINK(tmps2);
3367 if (!(anum = link(tmps, tmps2)))
3368 anum = UNLINK(tmps);
3381 char *tmps2 = POPpx;
3382 char *tmps = SvPV(TOPs, n_a);
3383 TAINT_PROPER("link");
3384 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3386 DIE(aTHX_ PL_no_func, "Unsupported function link");
3396 char *tmps2 = POPpx;
3397 char *tmps = SvPV(TOPs, n_a);
3398 TAINT_PROPER("symlink");
3399 SETi( symlink(tmps, tmps2) >= 0 );
3402 DIE(aTHX_ PL_no_func, "symlink");
3411 char buf[MAXPATHLEN];
3415 #ifndef INCOMPLETE_TAINTS
3419 len = readlink(tmps, buf, sizeof buf);
3427 RETSETUNDEF; /* just pretend it's a normal file */
3431 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3433 S_dooneliner(pTHX_ char *cmd, char *filename)
3435 char *save_filename = filename;
3441 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3442 strcpy(cmdline, cmd);
3443 strcat(cmdline, " ");
3444 for (s = cmdline + strlen(cmdline); *filename; ) {
3449 myfp = PerlProc_popen(cmdline, "r");
3453 SV *tmpsv = sv_newmortal();
3454 /* Need to save/restore 'PL_rs' ?? */
3455 s = sv_gets(tmpsv, myfp, 0);
3456 (void)PerlProc_pclose(myfp);
3460 #ifdef HAS_SYS_ERRLIST
3465 /* you don't see this */
3467 #ifdef HAS_SYS_ERRLIST
3475 if (instr(s, errmsg)) {
3482 #define EACCES EPERM
3484 if (instr(s, "cannot make"))
3485 SETERRNO(EEXIST,RMS$_FEX);
3486 else if (instr(s, "existing file"))
3487 SETERRNO(EEXIST,RMS$_FEX);
3488 else if (instr(s, "ile exists"))
3489 SETERRNO(EEXIST,RMS$_FEX);
3490 else if (instr(s, "non-exist"))
3491 SETERRNO(ENOENT,RMS$_FNF);
3492 else if (instr(s, "does not exist"))
3493 SETERRNO(ENOENT,RMS$_FNF);
3494 else if (instr(s, "not empty"))
3495 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3496 else if (instr(s, "cannot access"))
3497 SETERRNO(EACCES,RMS$_PRV);
3499 SETERRNO(EPERM,RMS$_PRV);
3502 else { /* some mkdirs return no failure indication */
3503 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3504 if (PL_op->op_type == OP_RMDIR)
3509 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3533 tmps = SvPV(TOPs, n_a);
3535 TAINT_PROPER("mkdir");
3537 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3539 SETi( dooneliner("mkdir", tmps) );
3540 oldumask = PerlLIO_umask(0);
3541 PerlLIO_umask(oldumask);
3542 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3554 TAINT_PROPER("rmdir");
3556 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3558 XPUSHi( dooneliner("rmdir", tmps) );
3563 /* Directory calls. */
3568 #if defined(Direntry_t) && defined(HAS_READDIR)
3570 char *dirname = POPpx;
3572 register IO *io = GvIOn(gv);
3578 PerlDir_close(IoDIRP(io));
3579 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3585 SETERRNO(EBADF,RMS$_DIR);
3588 DIE(aTHX_ PL_no_dir_func, "opendir");
3595 #if defined(Direntry_t) && defined(HAS_READDIR)
3597 Direntry_t *readdir (DIR *);
3599 register Direntry_t *dp;
3601 register IO *io = GvIOn(gv);
3604 if (!io || !IoDIRP(io))
3607 if (GIMME == G_ARRAY) {
3609 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3611 sv = newSVpvn(dp->d_name, dp->d_namlen);
3613 sv = newSVpv(dp->d_name, 0);
3615 #ifndef INCOMPLETE_TAINTS
3616 if (!(IoFLAGS(io) & IOf_UNTAINT))
3619 XPUSHs(sv_2mortal(sv));
3623 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3626 sv = newSVpvn(dp->d_name, dp->d_namlen);
3628 sv = newSVpv(dp->d_name, 0);
3630 #ifndef INCOMPLETE_TAINTS
3631 if (!(IoFLAGS(io) & IOf_UNTAINT))
3634 XPUSHs(sv_2mortal(sv));
3640 SETERRNO(EBADF,RMS$_ISI);
3641 if (GIMME == G_ARRAY)
3646 DIE(aTHX_ PL_no_dir_func, "readdir");
3653 #if defined(HAS_TELLDIR) || defined(telldir)
3654 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3655 /* XXX netbsd still seemed to.
3656 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3657 --JHI 1999-Feb-02 */
3658 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3659 long telldir (DIR *);
3662 register IO *io = GvIOn(gv);
3664 if (!io || !IoDIRP(io))
3667 PUSHi( PerlDir_tell(IoDIRP(io)) );
3671 SETERRNO(EBADF,RMS$_ISI);
3674 DIE(aTHX_ PL_no_dir_func, "telldir");
3681 #if defined(HAS_SEEKDIR) || defined(seekdir)
3684 register IO *io = GvIOn(gv);
3686 if (!io || !IoDIRP(io))
3689 (void)PerlDir_seek(IoDIRP(io), along);
3694 SETERRNO(EBADF,RMS$_ISI);
3697 DIE(aTHX_ PL_no_dir_func, "seekdir");
3704 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3706 register IO *io = GvIOn(gv);
3708 if (!io || !IoDIRP(io))
3711 (void)PerlDir_rewind(IoDIRP(io));
3715 SETERRNO(EBADF,RMS$_ISI);
3718 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3725 #if defined(Direntry_t) && defined(HAS_READDIR)
3727 register IO *io = GvIOn(gv);
3729 if (!io || !IoDIRP(io))
3732 #ifdef VOID_CLOSEDIR
3733 PerlDir_close(IoDIRP(io));
3735 if (PerlDir_close(IoDIRP(io)) < 0) {
3736 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3745 SETERRNO(EBADF,RMS$_IFI);
3748 DIE(aTHX_ PL_no_dir_func, "closedir");
3752 /* Process control. */
3762 PERL_FLUSHALL_FOR_CHILD;
3767 #ifdef SOCKS_64BIT_BUG
3768 Perl_do_s64_init_buffer();
3771 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3772 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3773 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3778 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3783 PERL_FLUSHALL_FOR_CHILD;
3784 childpid = PerlProc_fork();
3790 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3797 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3802 childpid = wait4pid(-1, &argflags, 0);
3803 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3804 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3805 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3807 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3812 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3818 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3826 childpid = wait4pid(childpid, &argflags, optype);
3827 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3828 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3829 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3831 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3836 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3842 djSP; dMARK; dORIGMARK; dTARGET;
3847 Sigsave_t ihand,qhand; /* place to save signals during system() */
3852 if (SP - MARK == 1) {
3854 char *junk = SvPV(TOPs, n_a);
3856 TAINT_PROPER("system");
3859 PERL_FLUSHALL_FOR_CHILD;
3860 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3861 if (PerlProc_pipe(pp) >= 0)
3863 while ((childpid = vfork()) == -1) {
3864 if (errno != EAGAIN) {
3869 PerlLIO_close(pp[0]);
3870 PerlLIO_close(pp[1]);
3878 PerlLIO_close(pp[1]);
3880 rsignal_save(SIGINT, SIG_IGN, &ihand);
3881 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3884 result = wait4pid(childpid, &status, 0);
3885 } while (result == -1 && errno == EINTR);
3887 (void)rsignal_restore(SIGINT, &ihand);
3888 (void)rsignal_restore(SIGQUIT, &qhand);
3890 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3891 do_execfree(); /* free any memory child malloced on vfork */
3897 while (n < sizeof(int)) {
3898 n1 = PerlLIO_read(pp[0],
3899 (void*)(((char*)&errkid)+n),
3905 PerlLIO_close(pp[0]);
3906 if (n) { /* Error */
3907 if (n != sizeof(int))
3908 DIE(aTHX_ "panic: kid popen errno read");
3909 errno = errkid; /* Propagate errno from kid */
3910 STATUS_CURRENT = -1;
3913 PUSHi(STATUS_CURRENT);
3917 PerlLIO_close(pp[0]);
3918 #if defined(HAS_FCNTL) && defined(F_SETFD)
3919 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3922 if (PL_op->op_flags & OPf_STACKED) {
3923 SV *really = *++MARK;
3924 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3926 else if (SP - MARK != 1)
3927 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3929 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3932 #else /* ! FORK or VMS or OS/2 */
3935 if (PL_op->op_flags & OPf_STACKED) {
3936 SV *really = *++MARK;
3937 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3939 else if (SP - MARK != 1)
3940 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3942 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3944 if (PL_statusvalue == -1) /* hint that value must be returned as is */
3946 STATUS_NATIVE_SET(value);
3949 PUSHi(result ? value : STATUS_CURRENT);
3950 #endif /* !FORK or VMS */
3956 djSP; dMARK; dORIGMARK; dTARGET;
3960 PERL_FLUSHALL_FOR_CHILD;
3961 if (PL_op->op_flags & OPf_STACKED) {
3962 SV *really = *++MARK;
3963 value = (I32)do_aexec(really, MARK, SP);
3965 else if (SP - MARK != 1)
3967 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3971 (void ) do_aspawn(Nullsv, MARK, SP);
3975 value = (I32)do_aexec(Nullsv, MARK, SP);
3980 char *junk = SvPV(*SP, n_a);
3982 TAINT_PROPER("exec");
3985 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3988 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3991 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3996 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
4008 djSP; dMARK; dTARGET;
4011 value = (I32)apply(PL_op->op_type, MARK, SP);
4016 DIE(aTHX_ PL_no_func, "Unsupported function kill");
4024 XPUSHi( getppid() );
4027 DIE(aTHX_ PL_no_func, "getppid");
4043 pgrp = (I32)BSD_GETPGRP(pid);
4045 if (pid != 0 && pid != PerlProc_getpid())
4046 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4052 DIE(aTHX_ PL_no_func, "getpgrp()");
4071 TAINT_PROPER("setpgrp");
4073 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4075 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4076 || (pid != 0 && pid != PerlProc_getpid()))
4078 DIE(aTHX_ "setpgrp can't take arguments");
4080 SETi( setpgrp() >= 0 );
4081 #endif /* USE_BSDPGRP */
4084 DIE(aTHX_ PL_no_func, "setpgrp()");
4093 #ifdef HAS_GETPRIORITY
4096 SETi( getpriority(which, who) );
4099 DIE(aTHX_ PL_no_func, "getpriority()");
4109 #ifdef HAS_SETPRIORITY
4113 TAINT_PROPER("setpriority");
4114 SETi( setpriority(which, who, niceval) >= 0 );
4117 DIE(aTHX_ PL_no_func, "setpriority()");
4127 XPUSHn( time(Null(Time_t*)) );
4129 XPUSHi( time(Null(Time_t*)) );
4134 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4135 to HZ. Probably. For now, assume that if the system
4136 defines HZ, it does so correctly. (Will this break
4138 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4139 it's supported. --AD 9/96.
4155 DIE(aTHX_ "times not implemented");
4160 (void)PerlProc_times(&PL_timesbuf);
4162 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4163 /* struct tms, though same data */
4167 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4168 if (GIMME == G_ARRAY) {
4169 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4170 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4171 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4174 #endif /* HAS_TIMES */
4187 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4188 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4189 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4195 when = (Time_t)SvNVx(POPs);
4197 when = (Time_t)SvIVx(POPs);
4200 if (PL_op->op_type == OP_LOCALTIME)
4201 tmbuf = localtime(&when);
4203 tmbuf = gmtime(&when);
4207 if (GIMME != G_ARRAY) {
4211 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4212 dayname[tmbuf->tm_wday],
4213 monname[tmbuf->tm_mon],
4218 tmbuf->tm_year + 1900);
4219 PUSHs(sv_2mortal(tsv));
4222 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4223 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4224 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4225 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4226 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4227 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4228 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4229 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4230 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4241 anum = alarm((unsigned int)anum);
4248 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4259 (void)time(&lasttime);
4264 PerlProc_sleep((unsigned int)duration);
4267 XPUSHi(when - lasttime);
4271 /* Shared memory. */
4285 return pp_shmwrite();
4290 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4291 djSP; dMARK; dTARGET;
4292 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4301 /* Message passing. */
4315 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4316 djSP; dMARK; dTARGET;
4317 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4328 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4329 djSP; dMARK; dTARGET;
4330 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4343 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4344 djSP; dMARK; dTARGET;
4345 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4352 DIE(aTHX_ "System V IPC is not implemented on this machine");
4358 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4359 djSP; dMARK; dTARGET;
4360 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4368 PUSHp(zero_but_true, ZBTLEN);
4378 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4379 djSP; dMARK; dTARGET;
4380 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4389 /* Get system info. */
4393 #ifdef HAS_GETHOSTBYNAME
4394 return pp_ghostent();
4396 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4402 #ifdef HAS_GETHOSTBYADDR
4403 return pp_ghostent();
4405 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4412 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4413 I32 which = PL_op->op_type;
4414 register char **elem;
4416 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4417 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4418 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4419 struct hostent *PerlSock_gethostent(void);
4421 struct hostent *hent;
4426 if (which == OP_GHBYNAME)
4427 #ifdef HAS_GETHOSTBYNAME
4428 hent = PerlSock_gethostbyname(POPpx);
4430 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4432 else if (which == OP_GHBYADDR) {
4433 #ifdef HAS_GETHOSTBYADDR
4434 int addrtype = POPi;
4437 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4439 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4441 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4445 #ifdef HAS_GETHOSTENT
4446 hent = PerlSock_gethostent();
4448 DIE(aTHX_ PL_no_sock_func, "gethostent");
4451 #ifdef HOST_NOT_FOUND
4453 STATUS_NATIVE_SET(h_errno);
4456 if (GIMME != G_ARRAY) {
4457 PUSHs(sv = sv_newmortal());
4459 if (which == OP_GHBYNAME) {
4461 sv_setpvn(sv, hent->h_addr, hent->h_length);
4464 sv_setpv(sv, (char*)hent->h_name);
4470 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4471 sv_setpv(sv, (char*)hent->h_name);
4472 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4473 for (elem = hent->h_aliases; elem && *elem; elem++) {
4474 sv_catpv(sv, *elem);
4476 sv_catpvn(sv, " ", 1);
4478 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4479 sv_setiv(sv, (IV)hent->h_addrtype);
4480 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4481 len = hent->h_length;
4482 sv_setiv(sv, (IV)len);
4484 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4485 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4486 sv_setpvn(sv, *elem, len);
4489 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4491 sv_setpvn(sv, hent->h_addr, len);
4496 DIE(aTHX_ PL_no_sock_func, "gethostent");
4502 #ifdef HAS_GETNETBYNAME
4503 return pp_gnetent();
4505 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4511 #ifdef HAS_GETNETBYADDR
4512 return pp_gnetent();
4514 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4521 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4522 I32 which = PL_op->op_type;
4523 register char **elem;
4525 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4526 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4527 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4528 struct netent *PerlSock_getnetent(void);
4530 struct netent *nent;
4533 if (which == OP_GNBYNAME)
4534 #ifdef HAS_GETNETBYNAME
4535 nent = PerlSock_getnetbyname(POPpx);
4537 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4539 else if (which == OP_GNBYADDR) {
4540 #ifdef HAS_GETNETBYADDR
4541 int addrtype = POPi;
4542 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4543 nent = PerlSock_getnetbyaddr(addr, addrtype);
4545 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4549 #ifdef HAS_GETNETENT
4550 nent = PerlSock_getnetent();
4552 DIE(aTHX_ PL_no_sock_func, "getnetent");
4556 if (GIMME != G_ARRAY) {
4557 PUSHs(sv = sv_newmortal());
4559 if (which == OP_GNBYNAME)
4560 sv_setiv(sv, (IV)nent->n_net);
4562 sv_setpv(sv, nent->n_name);
4568 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4569 sv_setpv(sv, nent->n_name);
4570 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4571 for (elem = nent->n_aliases; elem && *elem; elem++) {
4572 sv_catpv(sv, *elem);
4574 sv_catpvn(sv, " ", 1);
4576 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4577 sv_setiv(sv, (IV)nent->n_addrtype);
4578 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4579 sv_setiv(sv, (IV)nent->n_net);
4584 DIE(aTHX_ PL_no_sock_func, "getnetent");
4590 #ifdef HAS_GETPROTOBYNAME
4591 return pp_gprotoent();
4593 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4599 #ifdef HAS_GETPROTOBYNUMBER
4600 return pp_gprotoent();
4602 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4609 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4610 I32 which = PL_op->op_type;
4611 register char **elem;
4613 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4614 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4615 struct protoent *PerlSock_getprotobynumber(int);
4616 struct protoent *PerlSock_getprotoent(void);
4618 struct protoent *pent;
4621 if (which == OP_GPBYNAME)
4622 #ifdef HAS_GETPROTOBYNAME
4623 pent = PerlSock_getprotobyname(POPpx);
4625 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4627 else if (which == OP_GPBYNUMBER)
4628 #ifdef HAS_GETPROTOBYNUMBER
4629 pent = PerlSock_getprotobynumber(POPi);
4631 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4634 #ifdef HAS_GETPROTOENT
4635 pent = PerlSock_getprotoent();
4637 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4641 if (GIMME != G_ARRAY) {
4642 PUSHs(sv = sv_newmortal());
4644 if (which == OP_GPBYNAME)
4645 sv_setiv(sv, (IV)pent->p_proto);
4647 sv_setpv(sv, pent->p_name);
4653 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4654 sv_setpv(sv, pent->p_name);
4655 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4656 for (elem = pent->p_aliases; elem && *elem; elem++) {
4657 sv_catpv(sv, *elem);
4659 sv_catpvn(sv, " ", 1);
4661 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4662 sv_setiv(sv, (IV)pent->p_proto);
4667 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4673 #ifdef HAS_GETSERVBYNAME
4674 return pp_gservent();
4676 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4682 #ifdef HAS_GETSERVBYPORT
4683 return pp_gservent();
4685 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4692 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4693 I32 which = PL_op->op_type;
4694 register char **elem;
4696 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4697 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4698 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4699 struct servent *PerlSock_getservent(void);
4701 struct servent *sent;
4704 if (which == OP_GSBYNAME) {
4705 #ifdef HAS_GETSERVBYNAME
4706 char *proto = POPpx;
4709 if (proto && !*proto)
4712 sent = PerlSock_getservbyname(name, proto);
4714 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4717 else if (which == OP_GSBYPORT) {
4718 #ifdef HAS_GETSERVBYPORT
4719 char *proto = POPpx;
4720 unsigned short port = POPu;
4723 port = PerlSock_htons(port);
4725 sent = PerlSock_getservbyport(port, proto);
4727 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4731 #ifdef HAS_GETSERVENT
4732 sent = PerlSock_getservent();
4734 DIE(aTHX_ PL_no_sock_func, "getservent");
4738 if (GIMME != G_ARRAY) {
4739 PUSHs(sv = sv_newmortal());
4741 if (which == OP_GSBYNAME) {
4743 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4745 sv_setiv(sv, (IV)(sent->s_port));
4749 sv_setpv(sv, sent->s_name);
4755 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4756 sv_setpv(sv, sent->s_name);
4757 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4758 for (elem = sent->s_aliases; elem && *elem; elem++) {
4759 sv_catpv(sv, *elem);
4761 sv_catpvn(sv, " ", 1);
4763 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4765 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4767 sv_setiv(sv, (IV)(sent->s_port));
4769 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4770 sv_setpv(sv, sent->s_proto);
4775 DIE(aTHX_ PL_no_sock_func, "getservent");
4782 #ifdef HAS_SETHOSTENT
4783 PerlSock_sethostent(TOPi);
4786 DIE(aTHX_ PL_no_sock_func, "sethostent");
4793 #ifdef HAS_SETNETENT
4794 PerlSock_setnetent(TOPi);
4797 DIE(aTHX_ PL_no_sock_func, "setnetent");
4804 #ifdef HAS_SETPROTOENT
4805 PerlSock_setprotoent(TOPi);
4808 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4815 #ifdef HAS_SETSERVENT
4816 PerlSock_setservent(TOPi);
4819 DIE(aTHX_ PL_no_sock_func, "setservent");
4826 #ifdef HAS_ENDHOSTENT
4827 PerlSock_endhostent();
4831 DIE(aTHX_ PL_no_sock_func, "endhostent");
4838 #ifdef HAS_ENDNETENT
4839 PerlSock_endnetent();
4843 DIE(aTHX_ PL_no_sock_func, "endnetent");
4850 #ifdef HAS_ENDPROTOENT
4851 PerlSock_endprotoent();
4855 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4862 #ifdef HAS_ENDSERVENT
4863 PerlSock_endservent();
4867 DIE(aTHX_ PL_no_sock_func, "endservent");
4876 DIE(aTHX_ PL_no_func, "getpwnam");
4885 DIE(aTHX_ PL_no_func, "getpwuid");
4893 I32 which = PL_op->op_type;
4896 struct passwd *pwent = NULL;
4898 * We currently support only the SysV getsp* shadow password interface.
4899 * The interface is declared in <shadow.h> and often one needs to link
4900 * with -lsecurity or some such.
4901 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
4904 * AIX getpwnam() is clever enough to return the encrypted password
4905 * only if the caller (euid?) is root.
4907 * There are at least two other shadow password APIs. Many platforms
4908 * seem to contain more than one interface for accessing the shadow
4909 * password databases, possibly for compatibility reasons.
4910 * The getsp*() is by far he simplest one, the other two interfaces
4911 * are much more complicated, but also very similar to each other.
4916 * struct pr_passwd *getprpw*();
4917 * The password is in
4918 * char getprpw*(...).ufld.fd_encrypt[]
4919 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
4924 * struct es_passwd *getespw*();
4925 * The password is in
4926 * char *(getespw*(...).ufld.fd_encrypt)
4927 * Mention HAS_GETESPWNAM here so that Configure probes for it.
4929 * Mention I_PROT here so that Configure probes for it.
4931 * In HP-UX for getprpw*() the manual page claims that one should include
4932 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
4933 * if one includes <shadow.h> as that includes <hpsecurity.h>,
4934 * and pp_sys.c already includes <shadow.h> if there is such.
4936 * Note that <sys/security.h> is already probed for, but currently
4937 * it is only included in special cases.
4939 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
4940 * be preferred interface, even though also the getprpw*() interface
4941 * is available) one needs to link with -lsecurity -ldb -laud -lm.
4942 * One also needs to call set_auth_parameters() in main() before
4943 * doing anything else, whether one is using getespw*() or getprpw*().
4945 * Note that accessing the shadow databases can be magnitudes
4946 * slower than accessing the standard databases.
4953 pwent = getpwnam(POPpx);
4956 pwent = getpwuid((Uid_t)POPi);
4959 # ifdef HAS_GETPWENT
4962 DIE(aTHX_ PL_no_func, "getpwent");
4968 if (GIMME != G_ARRAY) {
4969 PUSHs(sv = sv_newmortal());
4971 if (which == OP_GPWNAM)
4972 # if Uid_t_sign <= 0
4973 sv_setiv(sv, (IV)pwent->pw_uid);
4975 sv_setuv(sv, (UV)pwent->pw_uid);
4978 sv_setpv(sv, pwent->pw_name);
4984 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4985 sv_setpv(sv, pwent->pw_name);
4987 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4989 /* If we have getspnam(), we try to dig up the shadow
4990 * password. If we are underprivileged, the shadow
4991 * interface will set the errno to EACCES or similar,
4992 * and return a null pointer. If this happens, we will
4993 * use the dummy password (usually "*" or "x") from the
4994 * standard password database.
4996 * In theory we could skip the shadow call completely
4997 * if euid != 0 but in practice we cannot know which
4998 * security measures are guarding the shadow databases
4999 * on a random platform.
5001 * Resist the urge to use additional shadow interfaces.
5002 * Divert the urge to writing an extension instead.
5005 # ifdef HAS_GETSPNAM
5007 struct spwd *spwent;
5008 int saverrno; /* Save and restore errno so that
5009 * underprivileged attempts seem
5010 * to have never made the unsccessful
5011 * attempt to retrieve the shadow password. */
5014 spwent = getspnam(pwent->pw_name);
5016 if (spwent && spwent->sp_pwdp)
5017 sv_setpv(sv, spwent->sp_pwdp);
5021 if (!SvPOK(sv)) /* Use the standard password, then. */
5022 sv_setpv(sv, pwent->pw_passwd);
5025 # ifndef INCOMPLETE_TAINTS
5026 /* passwd is tainted because user himself can diddle with it.
5027 * admittedly not much and in a very limited way, but nevertheless. */
5031 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5032 # if Uid_t_sign <= 0
5033 sv_setiv(sv, (IV)pwent->pw_uid);
5035 sv_setuv(sv, (UV)pwent->pw_uid);
5038 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5039 # if Uid_t_sign <= 0
5040 sv_setiv(sv, (IV)pwent->pw_gid);
5042 sv_setuv(sv, (UV)pwent->pw_gid);
5044 /* pw_change, pw_quota, and pw_age are mutually exclusive--
5045 * because of the poor interface of the Perl getpw*(),
5046 * not because there's some standard/convention saying so.
5047 * A better interface would have been to return a hash,
5048 * but we are accursed by our history, alas. --jhi. */
5049 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5051 sv_setiv(sv, (IV)pwent->pw_change);
5054 sv_setiv(sv, (IV)pwent->pw_quota);
5057 sv_setpv(sv, pwent->pw_age);
5062 /* pw_class and pw_comment are mutually exclusive--.
5063 * see the above note for pw_change, pw_quota, and pw_age. */
5064 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5066 sv_setpv(sv, pwent->pw_class);
5069 sv_setpv(sv, pwent->pw_comment);
5073 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5075 sv_setpv(sv, pwent->pw_gecos);
5077 # ifndef INCOMPLETE_TAINTS
5078 /* pw_gecos is tainted because user himself can diddle with it. */
5082 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5083 sv_setpv(sv, pwent->pw_dir);
5085 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5086 sv_setpv(sv, pwent->pw_shell);
5087 # ifndef INCOMPLETE_TAINTS
5088 /* pw_shell is tainted because user himself can diddle with it. */
5093 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5094 sv_setiv(sv, (IV)pwent->pw_expire);
5099 DIE(aTHX_ PL_no_func, "getpwent");
5106 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5110 DIE(aTHX_ PL_no_func, "setpwent");
5117 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5121 DIE(aTHX_ PL_no_func, "endpwent");
5130 DIE(aTHX_ PL_no_func, "getgrnam");
5139 DIE(aTHX_ PL_no_func, "getgrgid");
5147 I32 which = PL_op->op_type;
5148 register char **elem;
5150 struct group *grent;
5153 if (which == OP_GGRNAM)
5154 grent = (struct group *)getgrnam(POPpx);
5155 else if (which == OP_GGRGID)
5156 grent = (struct group *)getgrgid(POPi);
5159 grent = (struct group *)getgrent();
5161 DIE(aTHX_ PL_no_func, "getgrent");
5165 if (GIMME != G_ARRAY) {
5166 PUSHs(sv = sv_newmortal());
5168 if (which == OP_GGRNAM)
5169 sv_setiv(sv, (IV)grent->gr_gid);
5171 sv_setpv(sv, grent->gr_name);
5177 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5178 sv_setpv(sv, grent->gr_name);
5180 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5182 sv_setpv(sv, grent->gr_passwd);
5185 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5186 sv_setiv(sv, (IV)grent->gr_gid);
5188 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5189 for (elem = grent->gr_mem; elem && *elem; elem++) {
5190 sv_catpv(sv, *elem);
5192 sv_catpvn(sv, " ", 1);
5198 DIE(aTHX_ PL_no_func, "getgrent");
5205 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5209 DIE(aTHX_ PL_no_func, "setgrent");
5216 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5220 DIE(aTHX_ PL_no_func, "endgrent");
5230 if (!(tmps = PerlProc_getlogin()))
5232 PUSHp(tmps, strlen(tmps));
5235 DIE(aTHX_ PL_no_func, "getlogin");
5239 /* Miscellaneous. */
5244 djSP; dMARK; dORIGMARK; dTARGET;
5245 register I32 items = SP - MARK;
5246 unsigned long a[20];
5252 while (++MARK <= SP) {
5253 if (SvTAINTED(*MARK)) {
5259 TAINT_PROPER("syscall");
5262 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5263 * or where sizeof(long) != sizeof(char*). But such machines will
5264 * not likely have syscall implemented either, so who cares?
5266 while (++MARK <= SP) {
5267 if (SvNIOK(*MARK) || !i)
5268 a[i++] = SvIV(*MARK);
5269 else if (*MARK == &PL_sv_undef)
5272 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5278 DIE(aTHX_ "Too many args to syscall");
5280 DIE(aTHX_ "Too few args to syscall");
5282 retval = syscall(a[0]);
5285 retval = syscall(a[0],a[1]);
5288 retval = syscall(a[0],a[1],a[2]);
5291 retval = syscall(a[0],a[1],a[2],a[3]);
5294 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5297 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5300 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5303 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5307 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5310 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5313 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5317 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5321 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5325 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5326 a[10],a[11],a[12],a[13]);
5328 #endif /* atarist */
5334 DIE(aTHX_ PL_no_func, "syscall");
5338 #ifdef FCNTL_EMULATE_FLOCK
5340 /* XXX Emulate flock() with fcntl().
5341 What's really needed is a good file locking module.
5345 fcntl_emulate_flock(int fd, int operation)
5349 switch (operation & ~LOCK_NB) {
5351 flock.l_type = F_RDLCK;
5354 flock.l_type = F_WRLCK;
5357 flock.l_type = F_UNLCK;
5363 flock.l_whence = SEEK_SET;
5364 flock.l_start = flock.l_len = (Off_t)0;
5366 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5369 #endif /* FCNTL_EMULATE_FLOCK */
5371 #ifdef LOCKF_EMULATE_FLOCK
5373 /* XXX Emulate flock() with lockf(). This is just to increase
5374 portability of scripts. The calls are not completely
5375 interchangeable. What's really needed is a good file
5379 /* The lockf() constants might have been defined in <unistd.h>.
5380 Unfortunately, <unistd.h> causes troubles on some mixed
5381 (BSD/POSIX) systems, such as SunOS 4.1.3.
5383 Further, the lockf() constants aren't POSIX, so they might not be
5384 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5385 just stick in the SVID values and be done with it. Sigh.
5389 # define F_ULOCK 0 /* Unlock a previously locked region */
5392 # define F_LOCK 1 /* Lock a region for exclusive use */
5395 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5398 # define F_TEST 3 /* Test a region for other processes locks */
5402 lockf_emulate_flock(int fd, int operation)
5408 /* flock locks entire file so for lockf we need to do the same */
5410 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5411 if (pos > 0) /* is seekable and needs to be repositioned */
5412 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5413 pos = -1; /* seek failed, so don't seek back afterwards */
5416 switch (operation) {
5418 /* LOCK_SH - get a shared lock */
5420 /* LOCK_EX - get an exclusive lock */
5422 i = lockf (fd, F_LOCK, 0);
5425 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5426 case LOCK_SH|LOCK_NB:
5427 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5428 case LOCK_EX|LOCK_NB:
5429 i = lockf (fd, F_TLOCK, 0);
5431 if ((errno == EAGAIN) || (errno == EACCES))
5432 errno = EWOULDBLOCK;
5435 /* LOCK_UN - unlock (non-blocking is a no-op) */
5437 case LOCK_UN|LOCK_NB:
5438 i = lockf (fd, F_ULOCK, 0);
5441 /* Default - can't decipher operation */
5448 if (pos > 0) /* need to restore position of the handle */
5449 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5454 #endif /* LOCKF_EMULATE_FLOCK */