1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) 1998 Malcolm Beattie */
7 /* Modified by PH to get rid of the "na" usage, March 1999.
8 Modified further by PH for general tidying for Exim 4.
9 Threaded Perl support added by Stefan Traby, Nov 2002
13 /* This Perl add-on can be distributed under the same terms as Exim itself. */
14 /* See the file NOTICE for conditions of use and distribution. */
18 #define EXIM_TRUE TRUE
21 #define EXIM_FALSE FALSE
24 #define EXIM_DEBUG DEBUG
32 #define ERRSV (GvSV(errgv))
35 /* Some people like very old perl versions, so avoid any build side-effects. */
42 # define EXTERN_C extern
45 EXTERN_C
void boot_DynaLoader(pTHX_ CV
*cv
);
48 static PerlInterpreter
*interp_perl
= 0;
57 croak("Usage: Exim::expand_string(string)");
59 str
= expand_string(US
SvPV(ST(0), len
));
60 ST(0) = sv_newmortal();
62 sv_setpv(ST(0), (const char *) str
);
63 else if (!expand_string_forcedfail
)
64 croak("syntax error in Exim::expand_string argument: %s",
65 expand_string_message
);
73 croak("Usage: Exim::debug_write(string)");
74 debug_printf("%s", US
SvPV(ST(0), len
));
82 croak("Usage: Exim::log_write(string)");
83 log_write(0, LOG_MAIN
, "%s", US
SvPV(ST(0), len
));
86 static void xs_init(pTHX
)
88 char *file
= __FILE__
;
89 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader
, file
);
90 newXS("Exim::expand_string", xs_expand_string
, file
);
91 newXS("Exim::debug_write", xs_debug_write
, file
);
92 newXS("Exim::log_write", xs_log_write
, file
);
96 init_perl(uschar
*startup_code
)
99 static char *argv
[3] = { "exim-perl", "/dev/null", 0 };
103 if (interp_perl
) return 0;
104 interp_perl
= perl_alloc();
105 perl_construct(interp_perl
);
106 perl_parse(interp_perl
, xs_init
, argc
, argv
, 0);
107 perl_run(interp_perl
);
111 /*********************************************************************/
112 /* These lines by PH added to make "warn" output go to the Exim log; I
113 hope this doesn't break anything. */
116 "$SIG{__WARN__} = sub { my($s) = $_[0];"
118 "Exim::log_write($s) };", 0);
120 perl_eval_sv(sv
, G_SCALAR
|G_DISCARD
|G_KEEPERR
);
122 if (SvTRUE(ERRSV
)) return US
SvPV(ERRSV
, len
);
123 /*********************************************************************/
125 sv
= newSVpv(CS startup_code
, 0);
127 perl_eval_sv(sv
, G_SCALAR
|G_DISCARD
|G_KEEPERR
);
129 if (SvTRUE(ERRSV
)) return US
SvPV(ERRSV
, len
);
131 setlocale(LC_ALL
, "C"); /* In case it got changed */
141 perl_destruct(interp_perl
);
142 perl_free(interp_perl
);
147 call_perl_cat(uschar
*yield
, int *sizep
, int *ptrp
, uschar
**errstrp
,
148 uschar
*name
, uschar
**arg
)
158 *errstrp
= US
"the Perl interpreter has not been started";
165 while (*arg
!= NULL
) XPUSHs(newSVpv(CS (*arg
++), 0));
167 items
= perl_call_pv(CS name
, G_SCALAR
|G_EVAL
);
173 *errstrp
= US
SvPV(ERRSV
, len
);
181 str
= US
SvPV(sv
, len
);
182 yield
= string_cat(yield
, sizep
, ptrp
, str
, (int)len
);
186 setlocale(LC_ALL
, "C"); /* In case it got changed */