X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/35c3c48545d5bb1d98a0c4986dded979d2abe08a..6a9cf7f890226aa085842cd3d94b13e78ea31637:/src/src/functions.h

diff --git a/src/src/functions.h b/src/src/functions.h
index 2e5b1e47d..c69851962 100644
--- a/src/src/functions.h
+++ b/src/src/functions.h
@@ -3,6 +3,7 @@
 *************************************************/
 
 /* Copyright (c) University of Cambridge 1995 - 2018 */
+/* Copyright (c) The Exim Maintainers 2020 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 
@@ -13,6 +14,7 @@ are in in fact in separate headers. */
 #ifndef _FUNCTIONS_H_
 #define _FUNCTIONS_H_
 
+#include <ctype.h>
 #include <sys/time.h>
 
 
@@ -51,10 +53,12 @@ extern uschar * tls_cert_fprt_sha256(void *);
 extern void    tls_clean_env(void);
 extern BOOL    tls_client_start(client_conn_ctx *, smtp_connect_args *,
 		  void *, tls_support *, uschar **);
+extern void    tls_client_creds_reload(BOOL);
 
 extern void    tls_close(void *, int);
 extern BOOL    tls_could_read(void);
 extern void    tls_daemon_init(void);
+extern void    tls_daemon_tick(void);
 extern BOOL    tls_dropprivs_validate_require_cipher(BOOL);
 extern BOOL    tls_export_cert(uschar *, size_t, void *);
 extern int     tls_feof(void);
@@ -65,7 +69,7 @@ extern uschar *tls_getbuf(unsigned *);
 extern void    tls_get_cache(void);
 extern BOOL    tls_import_cert(const uschar *, void **);
 extern int     tls_read(void *, uschar *, size_t);
-extern int     tls_server_start(const uschar *, uschar **);
+extern int     tls_server_start(uschar **);
 extern BOOL    tls_smtp_buffered(void);
 extern int     tls_ungetc(int);
 extern int     tls_write(void *, const uschar *, size_t, BOOL);
@@ -118,7 +122,7 @@ extern int     auth_get_data(uschar **, const uschar *, int);
 extern int     auth_get_no64_data(uschar **, uschar *);
 extern int     auth_prompt(const uschar *);
 extern int     auth_read_input(const uschar *);
-extern void    auth_show_supported(FILE *);
+extern gstring * auth_show_supported(gstring *);
 extern uschar *auth_xtextencode(uschar *, int);
 extern int     auth_xtextdecode(uschar *, uschar **);
 
@@ -148,6 +152,8 @@ extern void    bits_clear(unsigned int *, size_t, int *);
 extern void    bits_set(unsigned int *, size_t, int *);
 
 extern void    cancel_cutthrough_connection(BOOL, const uschar *);
+extern gstring *cat_file(FILE *, gstring *, uschar *);
+extern gstring *cat_file_tls(void *, gstring *, uschar *);
 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_exim_function(int *, const uschar *);
@@ -178,11 +184,14 @@ extern void    debug_print_argv(const uschar **);
 extern void    debug_print_ids(uschar *);
 extern void    debug_printf_indent(const char *, ...) PRINTF_FUNCTION(1,2);
 extern void    debug_print_string(uschar *);
-extern void    debug_print_tree(tree_node *);
+extern void    debug_print_tree(const char *, tree_node *);
 extern void    debug_vprintf(int, const char *, va_list);
+extern void    debug_print_socket(int);
+
 extern void    decode_bits(unsigned int *, size_t, int *,
 	           uschar *, bit_table *, int, uschar *, int);
 extern void    delete_pid_file(void);
+extern void    deliver_local(address_item *, BOOL);
 extern address_item *deliver_make_addr(uschar *, BOOL);
 extern void    delivery_log(int, address_item *, int, uschar *);
 extern int     deliver_message(uschar *, BOOL, BOOL);
@@ -228,6 +237,7 @@ 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) NORETURN;
+extern void    exim_gettime(struct timeval *);
 extern void    exim_nullstd(void);
 extern void    exim_setugid(uid_t, gid_t, BOOL, uschar *);
 extern void    exim_underbar_exit(int) NORETURN;
@@ -239,6 +249,8 @@ extern BOOL    expand_check_condition(uschar *, uschar *, uschar *);
 extern uschar *expand_file_big_buffer(const uschar *);
 extern uschar *expand_string(uschar *);	/* public, cannot make const */
 extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
+extern uschar *expand_getkeyed(const uschar *, const uschar *);
+
 extern uschar *expand_hide_passwords(uschar * );
 extern uschar *expand_string_copy(const uschar *);
 extern int_eximarith_t expand_string_integer(uschar *, BOOL);
@@ -252,6 +264,7 @@ extern BOOL    filter_runtest(int, uschar *, BOOL, BOOL);
 extern BOOL    filter_system_interpret(address_item **, uschar **);
 
 extern uschar * fn_hdrs_added(void);
+extern void    force_fd(int, int);
 
 extern void    header_add(int, const char *, ...);
 extern header_line *header_add_at_position_internal(BOOL, uschar *, BOOL, int, const char *, ...);
@@ -311,7 +324,7 @@ extern void    mainlog_close(void);
 extern int     malware(const uschar *, int);
 extern int     malware_in_file(uschar *);
 extern void    malware_init(void);
-extern void    malware_show_supported(FILE *);
+extern gstring * malware_show_supported(gstring *);
 #endif
 extern int     match_address_list(const uschar *, BOOL, BOOL, const uschar **,
                  unsigned int *, int, int, const uschar **);
@@ -357,9 +370,9 @@ 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 const uschar *parse_fix_phrase(const uschar *, int);
 extern uschar *parse_message_id(uschar *, uschar **, uschar **);
-extern const uschar *parse_quote_2047(const uschar *, int, uschar *, uschar *, int, BOOL);
+extern const uschar *parse_quote_2047(const uschar *, int, uschar *, BOOL);
 extern uschar *parse_date_time(uschar *str, time_t *t);
 extern int     vaguely_random_number(int);
 #ifndef DISABLE_TLS
@@ -371,7 +384,7 @@ extern void    queue_check_only(void);
 extern unsigned queue_count(void);
 extern unsigned queue_count_cached(void);
 extern void    queue_list(int, uschar **, int);
-#ifdef EXPERIMENTAL_QUEUE_RAMP
+#ifndef DISABLE_QUEUE_RAMP
 extern void    queue_notify_daemon(const uschar * hostname);
 #endif
 extern void    queue_run(uschar *, uschar *, BOOL);
@@ -435,15 +448,16 @@ extern BOOL    route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
 extern BOOL    route_find_expanded_user(uschar *, uschar *, uschar *,
                  struct passwd **, uid_t *, uschar **);
 extern void    route_init(void);
-extern void    route_show_supported(FILE *);
+extern gstring * route_show_supported(gstring *);
 extern void    route_tidyup(void);
 
-extern uschar *search_find(void *, uschar *, uschar *, int, const uschar *, int,
-                 int, int *);
+extern uschar *search_args(int, uschar *, uschar *, uschar **, const uschar *);
+extern uschar *search_find(void *, const uschar *, uschar *, int,
+		 const uschar *, int, int, int *, const uschar *);
 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 *);
+                 int *, const uschar **);
+extern void   *search_open(const 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(hctx *, const uschar *, int, uschar *);
@@ -520,8 +534,7 @@ extern int     string_is_ip_address(const uschar *, int *);
 #ifdef SUPPORT_I18N
 extern BOOL    string_is_utf8(const uschar *);
 #endif
-extern uschar *string_nextinlist(const uschar **, int *, uschar *, int);
-extern const uschar *string_printing2(const uschar *, BOOL);
+extern const uschar *string_printing2(const uschar *, int);
 extern uschar *string_split_message(uschar *);
 extern uschar *string_unprinting(uschar *);
 #ifdef SUPPORT_I18N
@@ -543,10 +556,15 @@ extern BOOL    string_format_trc(uschar *, int, const uschar *, unsigned,
 extern gstring *string_vformat_trc(gstring *, const uschar *, unsigned,
 			unsigned, unsigned, const char *, va_list);
 
-#define string_open_failed(eno, fmt, ...) \
-	string_open_failed_trc(eno, US __FUNCTION__, __LINE__, fmt, __VA_ARGS__)
-extern uschar *string_open_failed_trc(int, const uschar *, unsigned,
-			const char *, ...) PRINTF_FUNCTION(4,5);
+#define string_open_failed(fmt, ...) \
+	string_open_failed_trc(US __FUNCTION__, __LINE__, fmt, __VA_ARGS__)
+extern uschar *string_open_failed_trc(const uschar *, unsigned,
+			const char *, ...) PRINTF_FUNCTION(3,4);
+
+#define string_nextinlist(lp, sp, b, l) \
+	string_nextinlist_trc((lp), (sp), (b), (l), US __FUNCTION__, __LINE__)
+extern uschar *string_nextinlist_trc(const uschar **listptr, int *separator, uschar *buffer, int buflen,
+			const uschar * func, int line);
 
 extern int     strcmpic(const uschar *, const uschar *);
 extern int     strncmpic(const uschar *, const uschar *, int);
@@ -561,7 +579,7 @@ extern void    tls_modify_variables(tls_support *);
 extern uschar *tod_stamp(int);
 
 extern BOOL    transport_check_waiting(const uschar *, const uschar *, int, uschar *,
-                 BOOL *, oicf, void*);
+                 oicf, void*);
 extern void    transport_init(void);
 extern void    transport_do_pass_socket(const uschar *, const uschar *,
 		 const uschar *, uschar *, int);
@@ -576,7 +594,7 @@ extern void    transport_write_reset(int);
 extern BOOL    transport_write_string(int, const char *, ...);
 extern BOOL    transport_headers_send(transport_ctx *,
                  BOOL (*)(transport_ctx *, uschar *, int));
-extern void    transport_show_supported(FILE *);
+extern gstring * transport_show_supported(gstring *);
 extern BOOL    transport_write_message(transport_ctx *, int);
 extern void    tree_add_duplicate(uschar *, address_item *);
 extern void    tree_add_nonrecipient(uschar *);
@@ -608,6 +626,8 @@ 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 void    verify_quota(uschar *);
+extern int     verify_quota_call(const uschar *, int, int, uschar **);
 extern BOOL    verify_sender(int *, uschar **);
 extern BOOL    verify_sender_preliminary(int *, uschar **);
 extern void    version_init(void);
@@ -666,6 +686,15 @@ return US strncpy(CS dst, CCS src, n);
 /*XXX will likely need unchecked copy also */
 
 
+/* Advance the string pointer given over any whitespace.
+Return the next char as there's enought places using it to be useful. */
+
+#define Uskip_whitespace(sp) skip_whitespace(CUSS sp)
+
+static inline uschar skip_whitespace(const uschar ** sp)
+{ while (isspace(**sp)) (*sp)++; return **sp; }
+
+
 /******************************************************************************/
 
 #if !defined(MACRO_PREDEF) && !defined(COMPILE_UTILITY)
@@ -746,9 +775,9 @@ string_copy_trc(const uschar * s, const char * func, int line)
 /* Simple string-copy functions maintaining the taint */
 
 #define string_copyn(s, len) \
-	string_copyn_taint_trc((s), (len), is_tainted(s), __FUNCTION__, __LINE__)
+	string_copyn_trc((s), (len), __FUNCTION__, __LINE__)
 #define string_copy(s) \
-	string_copy_taint_trc((s), is_tainted(s), __FUNCTION__, __LINE__)
+	string_copy_trc((s), __FUNCTION__, __LINE__)
 
 
 /*************************************************
@@ -1066,7 +1095,7 @@ static inline int
 exim_open2(const char *pathname, int flags)
 {
 if (!is_tainted(pathname)) return open(pathname, flags);
-log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'\n", pathname);
+log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
 errno = EACCES;
 return -1;
 }
@@ -1074,15 +1103,16 @@ static inline int
 exim_open(const char *pathname, int flags, mode_t mode)
 {
 if (!is_tainted(pathname)) return open(pathname, flags, mode);
-log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'\n", pathname);
+log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
 errno = EACCES;
 return -1;
 }
+#ifdef EXIM_HAVE_OPENAT
 static inline int
 exim_openat(int dirfd, const char *pathname, int flags)
 {
 if (!is_tainted(pathname)) return openat(dirfd, pathname, flags);
-log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'\n", pathname);
+log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
 errno = EACCES;
 return -1;
 }
@@ -1090,16 +1120,26 @@ static inline int
 exim_openat4(int dirfd, const char *pathname, int flags, mode_t mode)
 {
 if (!is_tainted(pathname)) return openat(dirfd, pathname, flags, mode);
-log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'\n", pathname);
+log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
 errno = EACCES;
 return -1;
 }
+#endif
 
 static inline FILE *
 exim_fopen(const char *pathname, const char *mode)
 {
 if (!is_tainted(pathname)) return fopen(pathname, mode);
-log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'\n", pathname);
+log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
+errno = EACCES;
+return NULL;
+}
+
+static inline DIR *
+exim_opendir(const uschar * name)
+{
+if (!is_tainted(name)) return opendir(CCS name);
+log_write(0, LOG_MAIN|LOG_PANIC, "Tainted dirname '%s'", name);
 errno = EACCES;
 return NULL;
 }