X-Git-Url: https://vcs.fsf.org/?p=exim.git;a=blobdiff_plain;f=src%2Fsrc%2Fexim.c;h=6a4fb5af344087fe93942d96afbe79962a903863;hp=f9d57ab9c614d72b3abca990689e988b5e92f9a9;hb=3ae121c94f0dfaeba5938de26931c49e29677d0a;hpb=3386088d5af4d4c61faa12ae29560e2c5bd43304 diff --git a/src/src/exim.c b/src/src/exim.c index f9d57ab9c..6a4fb5af3 100644 --- a/src/src/exim.c +++ b/src/src/exim.c @@ -230,7 +230,7 @@ to disrupt whatever is going on outside the signal handler. */ if (fd < 0) return; -{int dummy = write(fd, process_info, process_info_len); dummy = dummy; } +(void)write(fd, process_info, process_info_len); (void)close(fd); } @@ -814,21 +814,33 @@ fprintf(f, "Support for:"); #ifdef WITH_CONTENT_SCAN fprintf(f, " Content_Scanning"); #endif -#ifndef DISABLE_DKIM - fprintf(f, " DKIM"); -#endif #ifdef WITH_OLD_DEMIME fprintf(f, " Old_Demime"); #endif +#ifndef DISABLE_DKIM + fprintf(f, " DKIM"); +#endif #ifndef DISABLE_DNSSEC fprintf(f, " DNSSEC"); #endif -#ifndef DISABLE_PRDR - fprintf(f, " PRDR"); +#ifndef DISABLE_EVENT + fprintf(f, " Event"); +#endif +#ifdef SUPPORT_I18N + fprintf(f, " I18N"); #endif #ifndef DISABLE_OCSP fprintf(f, " OCSP"); #endif +#ifndef DISABLE_PRDR + fprintf(f, " PRDR"); +#endif +#ifdef SUPPORT_PROXY + fprintf(f, " PROXY"); +#endif +#ifdef SUPPORT_SOCKS + fprintf(f, " SOCKS"); +#endif #ifdef EXPERIMENTAL_SPF fprintf(f, " Experimental_SPF"); #endif @@ -847,20 +859,8 @@ fprintf(f, "Support for:"); #ifdef EXPERIMENTAL_DMARC fprintf(f, " Experimental_DMARC"); #endif -#ifdef EXPERIMENTAL_PROXY - fprintf(f, " Experimental_Proxy"); -#endif -#ifdef EXPERIMENTAL_EVENT - fprintf(f, " Experimental_Event"); -#endif -#ifdef EXPERIMENTAL_REDIS - fprintf(f, " Experimental_Redis"); -#endif -#ifdef EXPERIMENTAL_SOCKS - fprintf(f, " Experimental_SOCKS"); -#endif -#ifdef EXPERIMENTAL_INTERNATIONAL - fprintf(f, " Experimental_International"); +#ifdef EXPERIMENTAL_DSN_INFO + fprintf(f, " Experimental_DSN_info"); #endif fprintf(f, "\n"); @@ -904,6 +904,9 @@ fprintf(f, "Lookups (built-in):"); #if defined(LOOKUP_PGSQL) && LOOKUP_PGSQL!=2 fprintf(f, " pgsql"); #endif +#if defined(LOOKUP_REDIS) && LOOKUP_REDIS!=2 + fprintf(f, " redis"); +#endif #if defined(LOOKUP_SQLITE) && LOOKUP_SQLITE!=2 fprintf(f, " sqlite"); #endif @@ -1028,7 +1031,7 @@ DEBUG(D_any) do { #ifdef SUPPORT_TLS tls_version_report(f); #endif -#ifdef EXPERIMENTAL_INTERNATIONAL +#ifdef SUPPORT_I18N utf8_version_report(f); #endif @@ -1489,6 +1492,7 @@ BOOL f_end_dot = FALSE; BOOL deliver_give_up = FALSE; BOOL list_queue = FALSE; BOOL list_options = FALSE; +BOOL list_config = FALSE; BOOL local_queue_only; BOOL more = TRUE; BOOL one_msg_action = FALSE; @@ -1605,8 +1609,9 @@ if (!route_findgroup(US CONFIGURE_GROUPNAME, &config_gid)) } #endif -/* In the Cygwin environment, some initialization needs doing. It is fudged -in by means of this macro. */ +/* In the Cygwin environment, some initialization used to need doing. +It was fudged in by means of this macro; now no longer but we'll leave +it in case of others. */ #ifdef OS_INIT OS_INIT @@ -1639,6 +1644,10 @@ if (log_buffer == NULL) exit(EXIT_FAILURE); } +/* Initialize the default log options. */ + +bits_set(log_selector, log_selector_size, log_default); + /* Set log_stderr to stderr, provided that stderr exists. This gets reset to NULL when the daemon is run and the file is closed. We have to use this indirection, because some systems don't allow writing to the variable "stderr". @@ -1749,6 +1758,7 @@ regex_whitelisted_macro = regex_must_compile(US"^[A-Za-z0-9_/.-]*$", FALSE, TRUE); #endif +for (i = 0; i < REGEX_VARS; i++) regex_vars[i] = NULL; /* If the program is called as "mailq" treat it as equivalent to "exim -bp"; this seems to be a generally accepted convention, since one finds symbolic @@ -2146,9 +2156,19 @@ for (i = 1; i < argc; i++) else if (Ustrcmp(argrest, "P") == 0) { - list_options = TRUE; - debug_selector |= D_v; - debug_file = stderr; + /* -bP config: we need to setup here, because later, + * when list_options is checked, the config is read already */ + if (argv[i+1] && Ustrcmp(argv[i+1], "config") == 0) + { + list_config = TRUE; + readconf_save_config(version_string); + } + else + { + list_options = TRUE; + debug_selector |= D_v; + debug_file = stderr; + } } /* -brt: Test retry configuration lookup */ @@ -2451,8 +2471,8 @@ for (i = 1; i < argc; i++) argrest++; } if (*argrest != 0) - decode_bits(&selector, NULL, D_memory, 0, argrest, debug_options, - debug_options_count, US"debug", 0); + decode_bits(&selector, 1, debug_notall, argrest, + debug_options, debug_options_count, US"debug", 0); debug_selector = selector; } break; @@ -2540,12 +2560,12 @@ for (i = 1; i < argc; i++) if (temp >= argrest && *temp == '.') f_end_dot = TRUE; allow_domain_literals = TRUE; strip_trailing_dot = TRUE; -#ifdef EXPERIMENTAL_INTERNATIONAL +#ifdef SUPPORT_I18N allow_utf8_domains = TRUE; #endif sender_address = parse_extract_address(argrest, &errmess, &dummy_start, &dummy_end, &sender_address_domain, TRUE); -#ifdef EXPERIMENTAL_INTERNATIONAL +#ifdef SUPPORT_I18N message_smtputf8 = string_is_utf8(sender_address); allow_utf8_domains = FALSE; #endif @@ -3715,16 +3735,33 @@ is equivalent to the ability to modify a setuid binary! This needs to happen before we read the main configuration. */ init_lookup_list(); -#ifdef EXPERIMENTAL_INTERNATIONAL +#ifdef SUPPORT_I18N if (running_in_test_harness) smtputf8_advertise_hosts = NULL; #endif /* Read the main runtime configuration data; this gives up if there is a failure. It leaves the configuration file open so that the subsequent -configuration data for delivery can be read if needed. */ +configuration data for delivery can be read if needed. + +NOTE: immediatly after opening the configuration file we change the working +directory to "/"! Later we change to $spool_directory. We do it there, because +during readconf_main() some expansion takes place already. */ + +/* Store the initial cwd before we change directories */ +if ((initial_cwd = os_getcwd(NULL, 0)) == NULL) + { + perror("exim: can't get the current working directory"); + exit(EXIT_FAILURE); + } readconf_main(); +/* Now in directory "/" */ + +if (cleanup_environment() == FALSE) + log_write(0, LOG_PANIC_DIE, "Can't cleanup environment"); + + /* If an action on specific messages is requested, or if a daemon or queue runner is being started, we need to know if Exim was called by an admin user. This is the case if the real user is root or exim, or if the real group is @@ -3787,14 +3824,17 @@ else /* Handle the decoding of logging options. */ -decode_bits(&log_write_selector, &log_extra_selector, 0, 0, +decode_bits(log_selector, log_selector_size, log_notall, log_selector_string, log_options, log_options_count, US"log", 0); DEBUG(D_any) { + int i; debug_printf("configuration file is %s\n", config_main_filename); - debug_printf("log selectors = %08x %08x\n", log_write_selector, - log_extra_selector); + debug_printf("log selectors ="); + for (i = 0; i < log_selector_size; i++) + debug_printf(" %08x", log_selector[i]); + debug_printf("\n"); } /* If domain literals are not allowed, check the sender address that was @@ -3876,20 +3916,23 @@ if (log_oneline) temporary files are created; Exim doesn't use these (apart from when delivering to MBX mailboxes), but called libraries such as DBM libraries may require them. If TMPDIR is found in the environment, reset it to the value defined in the -TMPDIR macro, if this macro is defined. */ +EXIM_TMPDIR macro, if this macro is defined. For backward compatibility this +macro may be called TMPDIR in old "Local/Makefile"s. It's converted to +EXIM_TMPDIR by the build scripts. +*/ -#ifdef TMPDIR +#ifdef EXIM_TMPDIR { uschar **p; - for (p = USS environ; *p != NULL; p++) + if (environ) for (p = USS environ; *p != NULL; p++) { if (Ustrncmp(*p, "TMPDIR=", 7) == 0 && - Ustrcmp(*p+7, TMPDIR) != 0) + Ustrcmp(*p+7, EXIM_TMPDIR) != 0) { - uschar *newp = malloc(Ustrlen(TMPDIR) + 8); - sprintf(CS newp, "TMPDIR=%s", TMPDIR); + uschar *newp = malloc(Ustrlen(EXIM_TMPDIR) + 8); + sprintf(CS newp, "TMPDIR=%s", EXIM_TMPDIR); *p = newp; - DEBUG(D_any) debug_printf("reset TMPDIR=%s in environment\n", TMPDIR); + DEBUG(D_any) debug_printf("reset TMPDIR=%s in environment\n", EXIM_TMPDIR); } } } @@ -3921,10 +3964,10 @@ else uschar **new; uschar **newp; int count = 0; - while (*p++ != NULL) count++; + if (environ) while (*p++ != NULL) count++; if (envtz == NULL) count++; newp = new = malloc(sizeof(uschar *) * (count + 1)); - for (p = USS environ; *p != NULL; p++) + if (environ) for (p = USS environ; *p != NULL; p++) { if (Ustrncmp(*p, "TZ=", 3) == 0) continue; *newp++ = *p; @@ -4001,14 +4044,15 @@ a debugging feature for finding out what arguments certain MUAs actually use. Don't attempt it if logging is disabled, or if listing variables or if verifying/testing addresses or expansions. */ -if (((debug_selector & D_any) != 0 || (log_extra_selector & LX_arguments) != 0) +if (((debug_selector & D_any) != 0 || LOGGING(arguments)) && really_exim && !list_options && !checking) { int i; uschar *p = big_buffer; - char * dummy; Ustrcpy(p, "cwd= (failed)"); - dummy = /* quieten compiler */ getcwd(CS p+4, big_buffer_size - 4); + + Ustrncpy(p + 4, initial_cwd, big_buffer_size-5); + while (*p) p++; (void)string_format(p, big_buffer_size - (p - big_buffer), " %d args:", argc); while (*p) p++; @@ -4036,7 +4080,7 @@ if (((debug_selector & D_any) != 0 || (log_extra_selector & LX_arguments) != 0) while (*p) p++; } - if ((log_extra_selector & LX_arguments) != 0) + if (LOGGING(arguments)) log_write(0, LOG_MAIN, "%s", big_buffer); else debug_printf("%s\n", big_buffer); @@ -4514,7 +4558,8 @@ if (list_options) (Ustrcmp(argv[i], "router") == 0 || Ustrcmp(argv[i], "transport") == 0 || Ustrcmp(argv[i], "authenticator") == 0 || - Ustrcmp(argv[i], "macro") == 0)) + Ustrcmp(argv[i], "macro") == 0 || + Ustrcmp(argv[i], "environment") == 0)) { readconf_print(argv[i+1], argv[i], flag_n); i++; @@ -4524,6 +4569,19 @@ if (list_options) exim_exit(EXIT_SUCCESS); } +if (list_config) + { + set_process_info("listing config"); + readconf_print(US"config", NULL, flag_n); + exim_exit(EXIT_SUCCESS); + } + + +/* Initialise subsystems as required */ +#ifndef DISABLE_DKIM +dkim_exim_init(); +#endif + /* Handle a request to deliver one or more messages that are already on the queue. Values of msg_action other than MSG_DELIVER and MSG_LOAD are dealt with @@ -5020,8 +5078,9 @@ if (host_checking) "**** This is not for real!\n\n", sender_host_address); + memset(sender_host_cache, 0, sizeof(sender_host_cache)); if (verify_check_host(&hosts_connection_nolog) == OK) - log_write_selector &= ~L_smtp_connection; + BIT_CLEAR(log_selector, log_selector_size, Li_smtp_connection); log_write(L_smtp_connection, LOG_MAIN, "%s", smtp_get_connection_info()); /* NOTE: We do *not* call smtp_log_no_mail() if smtp_start_session() fails, @@ -5090,7 +5149,7 @@ if (mua_wrapper) deliver_drop_privilege = TRUE; queue_smtp = FALSE; queue_smtp_domains = NULL; -#ifdef EXPERIMENTAL_INTERNATIONAL +#ifdef SUPPORT_I18N message_utf8_downconvert = -1; /* convert-if-needed */ #endif } @@ -5194,8 +5253,9 @@ if (smtp_input) { smtp_in = stdin; smtp_out = stdout; + memset(sender_host_cache, 0, sizeof(sender_host_cache)); if (verify_check_host(&hosts_connection_nolog) == OK) - log_write_selector &= ~L_smtp_connection; + BIT_CLEAR(log_selector, log_selector_size, Li_smtp_connection); log_write(L_smtp_connection, LOG_MAIN, "%s", smtp_get_connection_info()); if (!smtp_start_session()) { @@ -5383,7 +5443,7 @@ while (more) errors_sender_rc : EXIT_FAILURE; } -#ifdef EXPERIMENTAL_INTERNATIONAL +#ifdef SUPPORT_I18N { BOOL b = allow_utf8_domains; allow_utf8_domains = TRUE; @@ -5391,7 +5451,7 @@ while (more) recipient = parse_extract_address(s, &errmess, &start, &end, &domain, FALSE); -#ifdef EXPERIMENTAL_INTERNATIONAL +#ifdef SUPPORT_I18N if (string_is_utf8(recipient)) message_smtputf8 = TRUE; else