X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/6940b3dfaf59844a1fd881720e9342f12922981a..b4f579d134197249b448cb5d8abf801ba4c729bb:/src/src/functions.h

diff --git a/src/src/functions.h b/src/src/functions.h
index 1b1a17dcb..806ba755d 100644
--- a/src/src/functions.h
+++ b/src/src/functions.h
@@ -22,7 +22,7 @@ extern uschar *init_perl(uschar *);
 #endif
 
 
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
 extern const char *
                std_dh_prime_default(void);
 extern const char *
@@ -51,6 +51,7 @@ extern BOOL    tls_client_start(client_conn_ctx *, smtp_connect_args *,
 
 extern void    tls_close(void *, int);
 extern BOOL    tls_could_read(void);
+extern void    tls_daemon_init(void);
 extern int     tls_export_cert(uschar *, size_t, void *);
 extern int     tls_feof(void);
 extern int     tls_ferror(void);
@@ -66,7 +67,7 @@ extern int     tls_ungetc(int);
 extern int     tls_write(void *, const uschar *, size_t, BOOL);
 extern uschar *tls_validate_require_cipher(void);
 extern void    tls_version_report(FILE *);
-# ifndef USE_GNUTLS
+# ifdef USE_OPENSSL
 extern BOOL    tls_openssl_options_parse(uschar *, long *);
 # endif
 extern uschar * tls_field_from_dn(uschar *, const uschar *);
@@ -76,7 +77,7 @@ extern BOOL    tls_is_name_for_cert(const uschar *, void *);
 extern int     tlsa_lookup(const host_item *, dns_answer *, BOOL);
 # endif
 
-#endif	/*SUPPORT_TLS*/
+#endif	/*DISABLE_TLS*/
 
 
 /* Everything else... */
@@ -214,7 +215,7 @@ extern void    msg_event_raise(const uschar *, const address_item *);
 
 extern int     exim_chown_failure(int, const uschar*, uid_t, gid_t);
 extern const uschar * exim_errstr(int);
-extern void    exim_exit(int, const uschar *);
+extern void    exim_exit(int, const uschar *) NORETURN;
 extern void    exim_nullstd(void);
 extern void    exim_setugid(uid_t, gid_t, BOOL, uschar *);
 extern void    exim_wait_tick(struct timeval *, int);
@@ -230,7 +231,7 @@ 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 BOOL    fd_ready(int, time_t);
 
 extern int     filter_interpret(uschar *, int, address_item **, uschar **);
 extern BOOL    filter_personal(string_item *, BOOL);
@@ -239,8 +240,6 @@ extern BOOL    filter_system_interpret(address_item **, uschar **);
 
 extern uschar * fn_hdrs_added(void);
 
-extern void    gstring_reset_unused(gstring *);
-
 extern void    header_add(int, const char *, ...);
 extern header_line *header_add_at_position_internal(BOOL, uschar *, BOOL, int, const char *, ...);
 extern int     header_checkname(header_line *, BOOL);
@@ -277,7 +276,7 @@ extern int     ip_connectedsocket(int, const uschar *, int, int,
                  int, host_item *, uschar **, const blob *);
 extern int     ip_get_address_family(int);
 extern void    ip_keepalive(int, const uschar *, BOOL);
-extern int     ip_recv(client_conn_ctx *, uschar *, int, int);
+extern int     ip_recv(client_conn_ctx *, uschar *, int, time_t);
 extern int     ip_socket(int, int);
 
 extern int     ip_tcpsocket(const uschar *, uschar **, int);
@@ -349,7 +348,7 @@ 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
+#ifndef DISABLE_TLS
 extern int     vaguely_random_number_fallback(int);
 #endif
 
@@ -379,7 +378,7 @@ 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 void    receive_bomb_out(uschar *, uschar *) NORETURN;
 extern BOOL    receive_check_fs(int);
 extern BOOL    receive_check_set_sender(uschar *);
 extern BOOL    receive_msg(BOOL);
@@ -437,10 +436,10 @@ extern int     sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
 extern void    sigalrm_handler(int);
 extern BOOL    smtp_buffered(void);
 extern void    smtp_closedown(uschar *);
-extern void    smtp_command_timeout_exit(void);
-extern void    smtp_command_sigterm_exit(void);
-extern void    smtp_data_timeout_exit(void);
-extern void    smtp_data_sigint_exit(void);
+extern void    smtp_command_timeout_exit(void) NORETURN;
+extern void    smtp_command_sigterm_exit(void) NORETURN;
+extern void    smtp_data_timeout_exit(void) NORETURN;
+extern void    smtp_data_sigint_exit(void) NORETURN;
 extern uschar *smtp_cmd_hist(void);
 extern int     smtp_connect(smtp_connect_args *, const blob *);
 extern int     smtp_sock_connect(host_item *, int, int, uschar *,
@@ -457,7 +456,7 @@ extern void    smtp_get_cache(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 void    smtp_proxy_tls(void *, uschar *, size_t, int *, int);
+extern void    smtp_proxy_tls(void *, uschar *, size_t, int *, int) NORETURN;
 extern BOOL    smtp_read_response(void *, uschar *, int, int, int);
 extern void    smtp_reset(void *);
 extern void    smtp_respond(uschar *, int, BOOL, uschar *);
@@ -496,14 +495,10 @@ extern gstring *string_catn(gstring *, const uschar *, int) WARN_UNUSED_RESULT;
 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 gstring *string_fmt_append(gstring *, const char *, ...) ALMOST_PRINTF(2,3);
 extern BOOL    string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4);
 extern uschar *string_format_size(int, uschar *);
-extern uschar *string_from_gstring(gstring *);
-extern gstring *string_get(unsigned);
 extern int     string_interpret_escape(const uschar **);
 extern int     string_is_ip_address(const uschar *, int *);
 #ifdef SUPPORT_I18N
@@ -556,6 +551,7 @@ extern BOOL    transport_write_message(transport_ctx *, int);
 extern void    tree_add_duplicate(uschar *, address_item *);
 extern void    tree_add_nonrecipient(uschar *);
 extern void    tree_add_unusable(host_item *);
+extern void    tree_dup(tree_node **, tree_node *);
 extern int     tree_insertnode(tree_node **, tree_node *);
 extern tree_node *tree_search(tree_node *, const uschar *);
 extern void    tree_write(tree_node *, FILE *);
@@ -590,6 +586,7 @@ extern BOOL    write_chunk(transport_ctx *, uschar *, int);
 extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
 
 
+#if !defined(MACRO_PREDEF) && !defined(COMPILE_UTILITY)
 /* exim_chown - in some NFSv4 setups *seemes* to be an issue with
 chown(<exim-uid>, <exim-gid>).
 
@@ -622,6 +619,133 @@ return chown(CCS name, owner, group)
   ? exim_chown_failure(-1, name, owner, group) : 0;
 }
 
+#endif	/* !MACRO_PREDEF && !COMPILE_UTILITY */
+/******************************************************************************/
+/* String functions */
+
+/*************************************************
+*            Copy and save string                *
+*************************************************/
+
+/* This function assumes that memcpy() is faster than strcpy().
+*/
+
+#if !defined(MACRO_PREDEF)
+static inline uschar *
+string_copy(const uschar *s)
+{
+int len = Ustrlen(s) + 1;
+uschar *ss = store_get(len);
+memcpy(ss, s, len);
+return ss;
+}
+
+
+/*************************************************
+*       Copy, lowercase and save string          *
+*************************************************/
+
+/*
+Argument: string to copy
+Returns:  copy of string in new store, with letters lowercased
+*/
+
+static inline uschar *
+string_copylc(const uschar *s)
+{
+uschar *ss = store_get(Ustrlen(s) + 1);
+uschar *p = ss;
+while (*s != 0) *p++ = tolower(*s++);
+*p = 0;
+return ss;
+}
+
+
+
+/*************************************************
+*       Copy and save string, given length       *
+*************************************************/
+
+/* It is assumed the data contains no zeros. A zero is added
+onto the end.
+
+Arguments:
+  s         string to copy
+  n         number of characters
+
+Returns:    copy of string in new store
+
+This is an API for local_scan hence not static.
+*/
+
+static inline uschar *
+string_copyn(const uschar *s, int n)
+{
+uschar *ss = store_get(n + 1);
+Ustrncpy(ss, s, n);
+ss[n] = 0;
+return ss;
+}
+
+/*************************************************
+* Copy, lowercase, and save string, given length *
+*************************************************/
+
+/* It is assumed the data contains no zeros. A zero is added
+onto the end.
+
+Arguments:
+  s         string to copy
+  n         number of characters
+
+Returns:    copy of string in new store, with letters lowercased
+*/
+
+static inline uschar *
+string_copynlc(uschar *s, int n)
+{
+uschar *ss = store_get(n + 1);
+uschar *p = ss;
+while (n-- > 0) *p++ = tolower(*s++);
+*p = 0;
+return ss;
+}
+
+
+/******************************************************************************/
+/* Growable-string functions */
+
+/* Create a growable-string with some preassigned space, in untainted memory */
+
+static inline gstring *
+string_get(unsigned size)
+{
+gstring * g = store_get(sizeof(gstring) + size);
+g->size = size;
+g->ptr = 0;
+g->s = US(g + 1);
+return g;
+}
+
+/* NUL-terminate the C string in the growable-string, and return it. */
+
+static inline uschar *
+string_from_gstring(gstring * g)
+{
+if (!g) return NULL;
+g->s[g->ptr] = '\0';
+return g->s;
+}
+
+static inline void
+gstring_release_unused(gstring * g)
+{
+if (g) store_reset(g->s + (g->size = g->ptr + 1));
+}
+
+/******************************************************************************/
+#endif	/* !MACRO_PREDEF */
+
 #endif  /* _FUNCTIONS_H_ */
 
 /* vi: aw