SPDX: license tags (mostly by guesswork)

[exim.git] / src / src / functions.h

diff --git a/src/src/functions.h b/src/src/functions.h
index e231ce204742c94c9be70a85a3ff322f9dc50cb9..be1fae00dd2ed8015673e7b396634c29d333972a 100644 (file)
--- a/src/src/functions.h
+++ b/src/src/functions.h
@@ -2,9 +2,10 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
+/* Copyright (c) The Exim Maintainers 2020 - 2022 */
 /* Copyright (c) University of Cambridge 1995 - 2018 */
-/* Copyright (c) The Exim Maintainers 2020 - 2021 */
 /* See the file NOTICE for conditions of use and distribution. */
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 
 /* Prototypes for functions that appear in various modules. Gathered together
@@ -100,6 +101,7 @@ extern acl_block *acl_read(uschar *(*)(void), uschar **);
 extern int     acl_check(int, uschar *, uschar *, uschar **, uschar **);
 extern uschar *acl_current_verb(void);
 extern int     acl_eval(int, uschar *, uschar **, uschar **);
+extern uschar *acl_standalone_setvar(const uschar *);
 
 extern tree_node *acl_var_create(uschar *);
 extern void    acl_var_write(uschar *, uschar *, void *);
@@ -182,12 +184,17 @@ extern BOOL    cutthrough_predata(void);
 extern void    release_cutthrough_connection(const uschar *);
 
 extern void    daemon_go(void);
+#ifndef COMPILE_UTILITY
+extern ssize_t daemon_client_sockname(struct sockaddr_un *, uschar **);
+extern ssize_t daemon_notifier_sockname(struct sockaddr_un *);
+#endif
 
 #ifdef EXPERIMENTAL_DCC
 extern int     dcc_process(uschar **);
 #endif
 
-extern void    debug_logging_activate(uschar *, uschar *);
+extern void    debug_logging_activate(const uschar *, const uschar *);
+extern void    debug_logging_from_spool(const uschar *);
 extern void    debug_logging_stop(BOOL);
 extern void    debug_print_argv(const uschar **);
 extern void    debug_print_ids(uschar *);
@@ -201,7 +208,7 @@ extern void    debug_print_socket(int);
 extern void    debug_trigger_fire(void);
 
 extern void    decode_bits(unsigned int *, size_t, int *,
-                  uschar *, bit_table *, int, uschar *, int);
+                  const 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);
@@ -259,6 +266,7 @@ extern int     exp_bool(address_item *addr,
 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_string_2(const uschar *, BOOL *);
 extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
 extern uschar *expand_getkeyed(const uschar *, const uschar *);
 
@@ -323,7 +331,7 @@ extern int     ip_streamsocket(const uschar *, uschar **, int, host_item *);
 extern int     ipv6_nmtoa(int *, uschar *);
 
 extern uschar *local_part_quote(uschar *);
-extern int     log_open_as_exim(uschar * const);
+extern int     log_open_as_exim(const uschar * const);
 extern void    log_close_all(void);
 
 extern macro_item * macro_create(const uschar *, const uschar *, BOOL);
@@ -331,7 +339,7 @@ extern BOOL    macro_read_assignment(uschar *);
 extern uschar *macros_expand(int, int *, BOOL *);
 extern void    mainlog_close(void);
 #ifdef WITH_CONTENT_SCAN
-extern int     malware(const uschar *, int);
+extern int     malware(const uschar *, BOOL, int);
 extern int     malware_in_file(uschar *);
 extern void    malware_init(void);
 extern gstring * malware_show_supported(gstring *);
@@ -344,7 +352,7 @@ extern int     match_check_list(const uschar **, int, tree_node **, unsigned 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,
+extern int     match_check_string(const uschar *, const uschar *, int, mcs_flags,
                  const uschar **);
 
 extern void    message_start(void);
@@ -359,7 +367,7 @@ 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 int     mime_regex(const uschar **, BOOL);
 extern void    mime_set_anomaly(int);
 #endif
 extern uschar *moan_check_errorcopy(uschar *);
@@ -419,7 +427,7 @@ extern void    readconf_main(BOOL);
 extern void    readconf_options_from_list(optionlist *, unsigned, const uschar *, uschar *);
 extern BOOL    readconf_print(const uschar *, uschar *, BOOL);
 extern uschar *readconf_printtime(int);
-extern uschar *readconf_readname(uschar *, int, uschar *);
+extern const uschar *readconf_readname(uschar *, int, const 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 *);
@@ -432,11 +440,15 @@ extern BOOL    receive_msg(BOOL);
 extern int_eximarith_t receive_statvfs(BOOL, int *);
 extern void    receive_swallow_smtp(void);
 #ifdef WITH_CONTENT_SCAN
-extern int     regex(const uschar **);
+extern int     regex(const uschar **, BOOL);
+extern void    regex_vars_clear(void);
 #endif
+extern void    regex_at_daemon(const uschar *);
 extern BOOL    regex_match(const pcre2_code *, const uschar *, int, uschar **);
 extern BOOL    regex_match_and_setup(const pcre2_code *, const uschar *, int, int);
-extern const pcre2_code *regex_must_compile(const uschar *, BOOL, BOOL);
+extern const pcre2_code *regex_compile(const uschar *, mcs_flags, uschar **,
+               pcre2_compile_context *);
+extern const pcre2_code *regex_must_compile(const uschar *, mcs_flags, BOOL);
 extern void    retry_add_item(address_item *, uschar *, int);
 extern BOOL    retry_check_address(const uschar *, host_item *, uschar *, BOOL,
                  uschar **, uschar **);
@@ -485,6 +497,7 @@ extern int     sieve_interpret(const uschar *, int, const uschar *,
                 const uschar *, const uschar *, const uschar *,
                 address_item **, uschar **);
 extern void    sigalrm_handler(int);
+extern int     smtp_boundsock(smtp_connect_args *);
 extern void    smtp_closedown(uschar *);
 extern void    smtp_command_timeout_exit(void) NORETURN;
 extern void    smtp_command_sigterm_exit(void) NORETURN;
@@ -493,8 +506,6 @@ extern void    smtp_data_sigint_exit(void) NORETURN;
 extern void    smtp_deliver_init(void);
 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 *,
-                transport_instance * tb, int, const blob *);
 extern int     smtp_feof(void);
 extern int     smtp_ferror(void);
 extern uschar *smtp_get_connection_info(void);
@@ -508,7 +519,7 @@ extern BOOL    smtp_hasc(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) NORETURN;
+extern void    smtp_proxy_tls(void *, uschar *, size_t, int *, int, const uschar *) NORETURN;
 extern BOOL    smtp_read_response(void *, uschar *, int, int, int);
 extern void   *smtp_reset(void *);
 extern void    smtp_respond(uschar *, int, BOOL, uschar *);
@@ -516,6 +527,7 @@ extern void    smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
 extern void    smtp_port_for_connect(host_item *, int);
 extern void    smtp_send_prohibition_message(int, uschar *);
 extern int     smtp_setup_msg(void);
+extern int     smtp_sock_connect(smtp_connect_args *, int, const blob *);
 extern BOOL    smtp_start_session(void);
 extern int     smtp_ungetc(int);
 extern BOOL    smtp_verify_helo(void);
@@ -537,6 +549,7 @@ extern int     stdin_ferror(void);
 extern BOOL    stdin_hasc(void);
 extern int     stdin_ungetc(int);
 
+extern void    stackdump(void);
 extern void    store_exit(void);
 extern void    store_init(void);
 extern void    store_writeprotect(int);
@@ -788,7 +801,10 @@ static inline uschar *
 string_copyn_taint_trc(const uschar * s, unsigned len,
        const void * proto_mem, const char * func, int line)
 {
-uschar * ss = store_get_3(len + 1, proto_mem, func, line);
+uschar * ss;
+unsigned slen = Ustrlen(s);
+if (len > slen) len = slen;
+ss = store_get_3(len + 1, proto_mem, func, line);
 memcpy(ss, s, len);
 ss[len] = '\0';
 return ss;
@@ -1217,6 +1233,7 @@ pid_t pid;
 DEBUG(D_any) debug_printf("%s forking for %s\n", process_purpose, purpose);
 if ((pid = fork()) == 0)
   {
+  f.daemon_listen = FALSE;
   process_purpose = purpose;
   DEBUG(D_any) debug_printf("postfork: %s\n", purpose);
   }
@@ -1264,10 +1281,10 @@ HDEBUG(D_transport|D_acl|D_v) debug_printf_indent("  SMTP%c> %s\n",
 
 #  ifndef DISABLE_CLIENT_CMD_LOG
   {
+  int len = Ustrcspn(buf, " \n");
   int old_pool = store_pool;
   store_pool = POOL_PERM;      /* Main pool ACL allocations eg. callouts get released */
-  client_cmd_log = string_append_listele_n(client_cmd_log, ':', buf,
-                                         Ustrcspn(buf, " \n"));
+  client_cmd_log = string_append_listele_n(client_cmd_log, ':', buf, MIN(len, 8));
   if (mode == SCMD_BUFFER) 
     {
     client_cmd_log = string_catn(client_cmd_log, US"|", 1);