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|
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
/* Copyright (c) University of Cambridge 1995 - 2015 */
/* See the file NOTICE for conditions of use and distribution. */
/* Prototypes for functions that appear in various modules. Gathered together
to avoid having a lot of tiddly little headers with only a couple of lines in
them. However, some functions that are used (or not used) by utility programs
are in in fact in separate headers. */
#ifdef EXIM_PERL
extern uschar *call_perl_cat(uschar *, int *, int *, uschar **, uschar *,
uschar **);
extern void cleanup_perl(void);
extern uschar *init_perl(uschar *);
#endif
#ifdef SUPPORT_TLS
extern const char *
std_dh_prime_default(void);
extern const char *
std_dh_prime_named(const uschar *);
extern uschar * tls_cert_crl_uri(void *, uschar * mod);
extern uschar * tls_cert_ext_by_oid(void *, uschar *, int);
extern uschar * tls_cert_issuer(void *, uschar * mod);
extern uschar * tls_cert_not_before(void *, uschar * mod);
extern uschar * tls_cert_not_after(void *, uschar * mod);
extern uschar * tls_cert_ocsp_uri(void *, uschar * mod);
extern uschar * tls_cert_serial_number(void *, uschar * mod);
extern uschar * tls_cert_signature(void *, uschar * mod);
extern uschar * tls_cert_signature_algorithm(void *, uschar * mod);
extern uschar * tls_cert_subject(void *, uschar * mod);
extern uschar * tls_cert_subject_altname(void *, uschar * mod);
extern uschar * tls_cert_version(void *, uschar * mod);
extern uschar * tls_cert_der_b64(void * cert);
extern uschar * tls_cert_fprt_md5(void *);
extern uschar * tls_cert_fprt_sha1(void *);
extern uschar * tls_cert_fprt_sha256(void *);
extern int tls_client_start(int, host_item *, address_item *,
transport_instance *
# ifdef EXPERIMENTAL_DANE
, dns_answer *
# endif
);
extern void tls_close(BOOL, BOOL);
extern int tls_export_cert(uschar *, size_t, void *);
extern int tls_feof(void);
extern int tls_ferror(void);
extern void tls_free_cert(void **);
extern int tls_getc(void);
extern int tls_import_cert(const uschar *, void **);
extern int tls_read(BOOL, uschar *, size_t);
extern int tls_server_start(const uschar *);
extern BOOL tls_smtp_buffered(void);
extern int tls_ungetc(int);
extern int tls_write(BOOL, const uschar *, size_t);
extern uschar *tls_validate_require_cipher(void);
extern void tls_version_report(FILE *);
# ifndef USE_GNUTLS
extern BOOL tls_openssl_options_parse(uschar *, long *);
# endif
extern uschar * tls_field_from_dn(uschar *, const uschar *);
extern BOOL tls_is_name_for_cert(const uschar *, void *);
# ifdef EXPERIMENTAL_DANE
extern int tlsa_lookup(const host_item *, dns_answer *, BOOL, BOOL *);
# endif
#endif /*SUPPORT_TLS*/
/* Everything else... */
extern acl_block *acl_read(uschar *(*)(void), uschar **);
extern int acl_check(int, uschar *, uschar *, uschar **, uschar **);
extern int acl_eval(int, uschar *, uschar **, uschar **);
extern tree_node *acl_var_create(uschar *);
extern void acl_var_write(uschar *, uschar *, void *);
extern int auth_call_pam(const uschar *, uschar **);
extern int auth_call_pwcheck(uschar *, uschar **);
extern int auth_call_radius(const uschar *, uschar **);
extern int auth_call_saslauthd(const uschar *, const uschar *,
const uschar *, const uschar *, uschar **);
extern int auth_check_serv_cond(auth_instance *);
extern int auth_check_some_cond(auth_instance *, uschar *, uschar *, int);
extern int auth_get_data(uschar **, uschar *, int);
extern int auth_get_no64_data(uschar **, uschar *);
extern uschar *auth_xtextencode(uschar *, int);
extern int auth_xtextdecode(uschar *, uschar **);
extern uschar *b64encode(uschar *, int);
extern int b64decode(uschar *, uschar **);
extern void bits_clear(unsigned int *, size_t, int *);
extern void bits_set(unsigned int *, size_t, int *);
extern void cancel_cutthrough_connection(const char *);
extern int check_host(void *, const uschar *, const uschar **, uschar **);
extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
extern pid_t child_open_uid(const uschar **, const uschar **, int,
uid_t *, gid_t *, int *, int *, uschar *, BOOL);
extern BOOL cleanup_environment(void);
extern uschar *cutthrough_finaldot(void);
extern BOOL cutthrough_flush_send(void);
extern BOOL cutthrough_headers_send(void);
extern BOOL cutthrough_predata(void);
extern BOOL cutthrough_puts(uschar *, int);
extern BOOL cutthrough_put_nl(void);
extern void daemon_go(void);
#ifdef EXPERIMENTAL_DCC
extern int dcc_process(uschar **);
#endif
extern void debug_logging_activate(uschar *, uschar *);
extern void debug_print_argv(const uschar **);
extern void debug_print_ids(uschar *);
extern void debug_print_string(uschar *);
extern void debug_print_tree(tree_node *);
extern void debug_vprintf(const char *, va_list);
extern void decode_bits(unsigned int *, size_t, int *,
uschar *, bit_table *, int, uschar *, int);
extern address_item *deliver_make_addr(uschar *, BOOL);
extern void deliver_init(void);
extern void delivery_log(int, address_item *, int, uschar *);
extern int deliver_message(uschar *, BOOL, BOOL);
extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
extern void deliver_set_expansions(address_item *);
extern int deliver_split_address(address_item *);
extern void deliver_succeeded(address_item *);
extern uschar *deliver_get_sender_address (uschar *id);
#ifdef WITH_OLD_DEMIME
extern int demime(uschar **);
#endif
extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
#ifndef DISABLE_DKIM
extern BOOL dkim_transport_write_message(address_item *, int, int,
int, uschar *, uschar *, uschar *, uschar *, rewrite_rule *,
int, uschar *, uschar *, uschar *, uschar *, uschar *, uschar *);
#endif
extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
extern int dns_basic_lookup(dns_answer *, const uschar *, int);
extern void dns_build_reverse(const uschar *, uschar *);
extern void dns_init(BOOL, BOOL, BOOL);
extern BOOL dns_is_aa(const dns_answer *);
extern BOOL dns_is_secure(const dns_answer *);
extern int dns_lookup(dns_answer *, const uschar *, int, const uschar **);
extern void dns_pattern_init(void);
extern int dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);
extern dns_record *dns_next_rr(dns_answer *, dns_scan *, int);
extern uschar *dns_text_type(int);
extern void dscp_list_to_stream(FILE *);
extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *);
extern void enq_end(uschar *);
extern BOOL enq_start(uschar *, unsigned);
#ifndef DISABLE_EVENT
extern uschar *event_raise(uschar *, const uschar *, uschar *);
extern void msg_event_raise(const uschar *, const address_item *);
#endif
extern const uschar * exim_errstr(int);
extern void exim_exit(int);
extern void exim_nullstd(void);
extern void exim_setugid(uid_t, gid_t, BOOL, uschar *);
extern int exim_tvcmp(struct timeval *, struct timeval *);
extern void exim_wait_tick(struct timeval *, int);
extern int exp_bool(address_item *addr,
uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
uschar *svalue, BOOL *rvalue);
extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
extern uschar *expand_string(uschar *); /* public, cannot make const */
extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
extern uschar *expand_string_copy(const uschar *);
extern int_eximarith_t expand_string_integer(uschar *, BOOL);
extern void modify_variable(uschar *, void *);
extern BOOL fd_ready(int, int);
extern int filter_interpret(uschar *, int, address_item **, uschar **);
extern BOOL filter_personal(string_item *, BOOL);
extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
extern BOOL filter_system_interpret(address_item **, uschar **);
extern uschar * fn_hdrs_added(void);
extern void header_add(int, const char *, ...);
extern int header_checkname(header_line *, BOOL);
extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
extern int host_address_extract_port(uschar *);
extern uschar *host_and_ident(BOOL);
extern int host_aton(const uschar *, int *);
extern void host_build_hostlist(host_item **, const uschar *, BOOL);
extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
extern void host_build_log_info(void);
extern void host_build_sender_fullhost(void);
extern BOOL host_find_byname(host_item *, const uschar *, int,
const uschar **, BOOL);
extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
uschar *, const dnssec_domains *, const uschar **, BOOL *);
extern ip_address_item *host_find_interfaces(void);
extern BOOL host_is_in_net(const uschar *, const uschar *, int);
extern BOOL host_is_tls_on_connect_port(int);
extern int host_item_get_port(host_item *);
extern void host_mask(int, int *, int);
extern int host_name_lookup(void);
extern int host_nmtoa(int, int *, int, uschar *, int);
extern uschar *host_ntoa(int, const void *, uschar *, int *);
extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
extern uschar *imap_utf7_encode(uschar *, const uschar *,
uschar, uschar *, uschar **);
extern void invert_address(uschar *, uschar *);
extern int ip_addr(void *, int, const uschar *, int);
extern int ip_bind(int, int, uschar *, int);
extern int ip_connect(int, int, const uschar *, int, int);
extern int ip_connectedsocket(int, const uschar *, int, int,
int, host_item *, uschar **);
extern int ip_get_address_family(int);
extern void ip_keepalive(int, const uschar *, BOOL);
extern int ip_recv(int, uschar *, int, int);
extern int ip_socket(int, int);
extern int ip_tcpsocket(const uschar *, uschar **, int);
extern int ip_unixsocket(const uschar *, uschar **);
extern int ip_streamsocket(const uschar *, uschar **, int);
extern int ipv6_nmtoa(int *, uschar *);
extern uschar *local_part_quote(uschar *);
extern int log_create(uschar *);
extern int log_create_as_exim(uschar *);
extern void log_close_all(void);
#ifdef WITH_CONTENT_SCAN
extern int malware(const uschar *, int);
extern int malware_in_file(uschar *);
extern void malware_init(void);
#endif
extern int match_address_list(const uschar *, BOOL, BOOL, const uschar **,
unsigned int *, int, int, const uschar **);
extern int match_check_list(const uschar **, int, tree_node **, unsigned int **,
int(*)(void *, const uschar *, const uschar **, uschar **), void *, int,
const uschar *, const uschar **);
extern int match_isinlist(const uschar *, const uschar **, int, tree_node **,
unsigned int *, int, BOOL, const uschar **);
extern int match_check_string(const uschar *, const uschar *, int, BOOL, BOOL, BOOL,
const uschar **);
extern void md5_end(md5 *, const uschar *, int, uschar *);
extern void md5_mid(md5 *, const uschar *);
extern void md5_start(md5 *);
extern void millisleep(int);
#ifdef WITH_CONTENT_SCAN
struct mime_boundary_context;
extern int mime_acl_check(uschar *acl, FILE *f,
struct mime_boundary_context *, uschar **, uschar **);
extern int mime_decode(const uschar **);
extern ssize_t mime_decode_base64(FILE *, FILE *, uschar *);
extern int mime_regex(const uschar **);
extern void mime_set_anomaly(int);
#endif
extern uschar *moan_check_errorcopy(uschar *);
extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
BOOL, uschar *);
extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
extern void moan_tell_someone(uschar *, address_item *,
const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
extern void moan_write_from(FILE *);
extern FILE *modefopen(const uschar *, const char *, mode_t);
extern int open_cutthrough_connection( address_item * addr );
extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
BOOL);
extern int parse_forward_list(uschar *, int, address_item **, uschar **,
const uschar *, uschar *, error_block **);
extern uschar *parse_find_address_end(uschar *, BOOL);
extern uschar *parse_find_at(uschar *);
extern const uschar *parse_fix_phrase(const uschar *, int, uschar *, int);
extern uschar *parse_message_id(uschar *, uschar **, uschar **);
extern const uschar *parse_quote_2047(const uschar *, int, uschar *, uschar *, int, BOOL);
extern uschar *parse_date_time(uschar *str, time_t *t);
extern int vaguely_random_number(int);
#ifdef SUPPORT_TLS
extern int vaguely_random_number_fallback(int);
#endif
extern BOOL queue_action(uschar *, int, uschar **, int, int);
extern void queue_check_only(void);
extern void queue_list(int, uschar **, int);
extern void queue_count(void);
extern void queue_run(uschar *, uschar *, BOOL);
extern int random_number(int);
extern int rda_interpret(redirect_block *, int, uschar *, uschar *,
uschar *, uschar *, uschar *, ugid_block *, address_item **,
uschar **, error_block **, int *, uschar *);
extern int rda_is_filter(const uschar *);
extern BOOL readconf_depends(driver_instance *, uschar *);
extern void readconf_driver_init(uschar *, driver_instance **,
driver_info *, int, void *, int, optionlist *, int);
extern uschar *readconf_find_option(void *);
extern void readconf_main(BOOL);
extern void readconf_print(uschar *, uschar *, BOOL no_labels);
extern uschar *readconf_printtime(int);
extern uschar *readconf_readname(uschar *, int, uschar *);
extern int readconf_readtime(const uschar *, int, BOOL);
extern void readconf_rest(void);
extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);
extern void readconf_save_config(const uschar *);
extern void read_message_body(BOOL);
extern void receive_bomb_out(uschar *, uschar *);
extern BOOL receive_check_fs(int);
extern BOOL receive_check_set_sender(uschar *);
extern BOOL receive_msg(BOOL);
extern int receive_statvfs(BOOL, int *);
extern void receive_swallow_smtp(void);
#ifdef WITH_CONTENT_SCAN
extern int regex(const uschar **);
#endif
extern BOOL regex_match_and_setup(const pcre *, const uschar *, int, int);
extern const pcre *regex_must_compile(const uschar *, BOOL, BOOL);
extern void retry_add_item(address_item *, uschar *, int);
extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
uschar **, uschar **);
extern retry_config *retry_find_config(const uschar *, const uschar *, int, int);
extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *,
dbdata_retry *, time_t);
extern void retry_update(address_item **, address_item **, address_item **);
extern uschar *rewrite_address(uschar *, BOOL, BOOL, rewrite_rule *, int);
extern uschar *rewrite_address_qualify(uschar *, BOOL);
extern header_line *rewrite_header(header_line *,
const uschar *, const uschar *,
rewrite_rule *, int, BOOL);
extern uschar *rewrite_one(uschar *, int, BOOL *, BOOL, uschar *,
rewrite_rule *);
extern void rewrite_test(uschar *);
extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *,
uschar **);
extern int route_address(address_item *, address_item **, address_item **,
address_item **, address_item **, int);
extern int route_check_prefix(const uschar *, const uschar *);
extern int route_check_suffix(const uschar *, const uschar *);
extern BOOL route_findgroup(uschar *, gid_t *);
extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *);
extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
uschar **);
extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
struct passwd **, uid_t *, uschar **);
extern void route_init(void);
extern void route_tidyup(void);
extern uschar *search_find(void *, uschar *, uschar *, int, const uschar *, int,
int, int *);
extern int search_findtype(const uschar *, int);
extern int search_findtype_partial(const uschar *, int *, const uschar **, int *,
int *);
extern void *search_open(uschar *, int, int, uid_t *, gid_t *);
extern void search_tidyup(void);
extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
extern void sha1_end(sha1 *, const uschar *, int, uschar *);
extern void sha1_mid(sha1 *, const uschar *);
extern void sha1_start(sha1 *);
extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
uschar *, address_item **, uschar **);
extern void sigalrm_handler(int);
extern BOOL smtp_buffered(void);
extern void smtp_closedown(uschar *);
extern int smtp_connect(host_item *, int, int, uschar *, int,
transport_instance *);
extern int smtp_sock_connect(host_item *, int, int, uschar *,
transport_instance * tb, int);
extern int smtp_feof(void);
extern int smtp_ferror(void);
extern uschar *smtp_get_connection_info(void);
extern BOOL smtp_get_interface(uschar *, int, address_item *,
uschar **, uschar *);
extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
extern int smtp_getc(void);
extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
extern void smtp_log_no_mail(void);
extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);
extern BOOL smtp_read_response(smtp_inblock *, uschar *, int, int, int);
extern void smtp_respond(uschar *, int, BOOL, uschar *);
extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
extern void smtp_send_prohibition_message(int, uschar *);
extern int smtp_setup_msg(void);
extern BOOL smtp_start_session(void);
extern int smtp_ungetc(int);
extern BOOL smtp_verify_helo(void);
extern int smtp_write_command(smtp_outblock *, BOOL, const char *, ...) PRINTF_FUNCTION(3,4);
#ifdef WITH_CONTENT_SCAN
extern int spam(const uschar **);
extern FILE *spool_mbox(unsigned long *, const uschar *);
#endif
extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
extern BOOL spool_open_datafile(uschar *);
extern int spool_open_temp(uschar *);
extern int spool_read_header(uschar *, BOOL, BOOL);
extern int spool_write_header(uschar *, int, uschar **);
extern int stdin_getc(void);
extern int stdin_feof(void);
extern int stdin_ferror(void);
extern int stdin_ungetc(int);
extern uschar *string_append(uschar *, int *, int *, int, ...);
extern uschar *string_append_listele(uschar *, uschar, const uschar *);
extern uschar *string_append_listele_n(uschar *, uschar, const uschar *, unsigned);
extern uschar *string_base62(unsigned long int);
extern uschar *string_cat(uschar *, int *, int *, const uschar *, int);
extern int string_compare_by_pointer(const void *, const void *);
extern uschar *string_copy_dnsdomain(uschar *);
extern uschar *string_copy_malloc(const uschar *);
extern uschar *string_copylc(const uschar *);
extern uschar *string_copynlc(uschar *, int);
extern uschar *string_dequote(const uschar **);
extern BOOL string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4);
extern uschar *string_format_size(int, uschar *);
extern int string_interpret_escape(const uschar **);
extern int string_is_ip_address(const uschar *, int *);
#ifdef SUPPORT_I18N
extern BOOL string_is_utf8(const uschar *);
#endif
extern uschar *string_log_address(address_item *, BOOL, BOOL);
extern uschar *string_nextinlist(const uschar **, int *, uschar *, int);
extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
extern const uschar *string_printing2(const uschar *, BOOL);
extern uschar *string_split_message(uschar *);
extern uschar *string_unprinting(uschar *);
#ifdef SUPPORT_I18N
extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
#endif
extern BOOL string_vformat(uschar *, int, const char *, va_list);
extern int strcmpic(const uschar *, const uschar *);
extern int strncmpic(const uschar *, const uschar *, int);
extern uschar *strstric(uschar *, uschar *, BOOL);
extern uschar *tod_stamp(int);
extern void tls_modify_variables(tls_support *);
extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
BOOL *, oicf, void*);
extern void transport_init(void);
extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *,
int);
extern uschar *transport_rcpt_address(address_item *, BOOL);
extern BOOL transport_set_up_command(const uschar ***, uschar *,
BOOL, int, address_item *, uschar *, uschar **);
extern void transport_update_waiting(host_item *, uschar *);
extern BOOL transport_write_block(int, uschar *, int);
extern BOOL transport_write_string(int, const char *, ...);
extern BOOL transport_headers_send(address_item *, int, uschar *, uschar *,
BOOL (*)(int, uschar *, int, BOOL), BOOL, rewrite_rule *, int);
extern BOOL transport_write_message(address_item *, int, int, int, uschar *,
uschar *, uschar *, uschar *, rewrite_rule *, int);
extern void tree_add_duplicate(uschar *, address_item *);
extern void tree_add_nonrecipient(uschar *);
extern void tree_add_unusable(host_item *);
extern int tree_insertnode(tree_node **, tree_node *);
extern tree_node *tree_search(tree_node *, const uschar *);
extern void tree_write(tree_node *, FILE *);
extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
#ifdef WITH_CONTENT_SCAN
extern void unspool_mbox(void);
#endif
#ifdef SUPPORT_I18N
extern void utf8_version_report(FILE *);
#endif
extern int verify_address(address_item *, FILE *, int, int, int, int,
uschar *, uschar *, BOOL *);
extern int verify_check_dnsbl(int, const uschar **, uschar **);
extern int verify_check_header_address(uschar **, uschar **, int, int, int,
uschar *, uschar *, int, int *);
extern int verify_check_headers(uschar **);
extern int verify_check_header_names_ascii(uschar **);
extern int verify_check_host(uschar **);
extern int verify_check_notblind(void);
extern int verify_check_given_host(uschar **, host_item *);
extern int verify_check_this_host(const uschar **, unsigned int *,
const uschar*, const uschar *, const uschar **);
extern address_item *verify_checked_sender(uschar *);
extern void verify_get_ident(int);
extern BOOL verify_sender(int *, uschar **);
extern BOOL verify_sender_preliminary(int *, uschar **);
extern void version_init(void);
extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
/* vi: aw
*/
/* End of functions.h */
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