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/*
** Copyright 1998 - 2009 Double Precision, Inc.
** See COPYING for distribution information.
*/
#ifndef rw_h
#define rw_h
#include "courier.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Install libraries */
int rw_install_start();
int rw_install( const char *name,
struct rw_list *(*rw_install)(const struct rw_install_info *),
const char *(*rw_init)() );
int rw_install_init();
/* Search for a rewriting function */
/*struct rw_list *rw_search(const char *); */
/* Rewrite address */
/* Common rw_info structure */
struct rw_info_rewrite {
char *buf;
char *errmsg;
} ;
struct rfc822t *rw_rewrite_tokenize(const char *);
int rw_syntaxchk(struct rfc822token *);
void rw_err_func(int, const char *, struct rw_info *);
/*
** udata must point to rw_info_rewrite, where the error message
** is written to.
*/
void rw_rewrite_print(struct rw_info *);
/* Convert tokens to text, save in buf. */
void rw_rewrite_chksyn_print(struct rw_info *);
/* ... But first, check for syntax errors */
/* Internal structure stores module list */
extern struct rw_transport {
struct rw_transport *next;
char *name;
struct rw_list *rw_ptr;
const char *(*init)();
void *udata; /* For use by courierd */
} *rw_transport_first, *rw_transport_last;
void rw_searchdel(struct rw_info *,
void (*)(struct rw_info *,
struct rw_transport *, const struct rfc822token *,
const struct rfc822token *));
struct rw_transport *rw_search_transport(const char *);
void rw_rewrite_module(struct rw_transport *, struct rw_info *,
void (*)(struct rw_info *)); /* Call module from transport library */
/* Rewrite RFC822 header: */
char *rw_rewrite_header(struct rw_transport *, /* Rewriting library */
const char *, /* header */
int, /* flags/mode */
struct rfc822token *, /* sender */
char **); /* ptr to error message */
char *rw_rewrite_header_func(void (*rwfunc)(
struct rw_info *, void (*)(struct rw_info *), void *),
/* Rewriting function */
const char *, /* See above */
int, /* See above */
struct rfc822token *, /* See above */
char **, /* See above */
void *); /* Context ptr, passed as last arg to rwfunc */
void rw_local_defaulthost(struct rw_info *, void (*)(struct rw_info *));
/* Common rewriting function that appends the local domain to
** unqualified addresses. */
/* Call rw_rewrite_header for the following headers: */
/* If this is ever changed, don't forget to update submit.C */
#if HAVE_STRNCASECMP
#define DO_REWRITE_HEADER(l) \
(strncasecmp((l),"to:", 3) == 0 || strncasecmp((l), "cc:", 3) == 0 || \
strncasecmp((l), "from:", 5) == 0 || \
strncasecmp((l), "reply-to:", 9) == 0)
#else
#define DO_REWRITE_HEADER(l) \
(strnicmp((l),"to:", 3) == 0 || strnicmp((l), "cc:", 3) == 0 || \
strnicmp((l), "from:", 5) == 0 || \
strnicmp((l), "reply-to:", 9) == 0)
#endif
/* Rewrite headers in an entire message */
int rw_rewrite_msg(int, /* Freshly open file descriptor
containing the message to rewrite */
int (*)(const char *, unsigned, void *),
/*
** This function is called repeatedly with
** the contents of the rewritten message.
** The function should non-0 if there was an
** error while saving the contents of the
** rewritten message.
*/
void (*)(struct rw_info *,
void (*)(struct rw_info *), void *),
/* This function is called to rewrite a
** single address. It receives the standard
** rwinfo structure, and must call the
** supplied function pointer after doing
** any rewriting.
*/
void * /*
** This pointer is forwarded as the last argument to the
** above two functions.
*/
);
/* rw_rewrite_msg returns 0, or the non-zero exit status if there
** was an error reported by the write func */
struct rfc2045;
int rw_rewrite_msg_7bit(int,
struct rfc2045 *,
int (*)(const char *, unsigned, void *),
void (*)(struct rw_info *,
void (*)(struct rw_info *), void *),
void *
);
#ifdef __cplusplus
}
#endif
#endif
