X-Git-Url: https://vcs.fsf.org/?p=exim.git;a=blobdiff_plain;f=src%2Fsrc%2Fexim.c;h=ceec9cb2a98d551067fd76d0f499e80f15452722;hp=51daa55760d4a2aa2a88139ad2bd6f3abf7d5b70;hb=2f21487fa76ef002f7f8a3565e68460fd046a152;hpb=eb4d1c0be04d768afe4947f75724a130b2bd2256 diff --git a/src/src/exim.c b/src/src/exim.c index 51daa5576..ceec9cb2a 100644 --- a/src/src/exim.c +++ b/src/src/exim.c @@ -2,7 +2,7 @@ * Exim - an Internet mail transport agent * *************************************************/ -/* Copyright (c) University of Cambridge 1995 - 2014 */ +/* Copyright (c) University of Cambridge 1995 - 2015 */ /* See the file NOTICE for conditions of use and distribution. */ @@ -12,6 +12,13 @@ Also a few functions that don't naturally fit elsewhere. */ #include "exim.h" +#ifdef USE_GNUTLS +# include +# if GNUTLS_VERSION_NUMBER < 0x030103 && !defined(DISABLE_OCSP) +# define DISABLE_OCSP +# endif +#endif + extern void init_lookup_list(void); @@ -81,7 +88,7 @@ Returns: pointer to the compiled pattern */ const pcre * -regex_must_compile(uschar *pattern, BOOL caseless, BOOL use_malloc) +regex_must_compile(const uschar *pattern, BOOL caseless, BOOL use_malloc) { int offset; int options = PCRE_COPT; @@ -93,7 +100,7 @@ if (use_malloc) pcre_free = function_store_free; } if (caseless) options |= PCRE_CASELESS; -yield = pcre_compile(CS pattern, options, (const char **)&error, &offset, NULL); +yield = pcre_compile(CCS pattern, options, (const char **)&error, &offset, NULL); pcre_malloc = function_store_get; pcre_free = function_dummy_free; if (yield == NULL) @@ -124,10 +131,11 @@ Returns: TRUE or FALSE */ BOOL -regex_match_and_setup(const pcre *re, uschar *subject, int options, int setup) +regex_match_and_setup(const pcre *re, const uschar *subject, int options, int setup) { int ovector[3*(EXPAND_MAXN+1)]; -int n = pcre_exec(re, NULL, CS subject, Ustrlen(subject), 0, +uschar * s = string_copy(subject); /* de-constifying */ +int n = pcre_exec(re, NULL, CS s, Ustrlen(s), 0, PCRE_EOPT | options, ovector, sizeof(ovector)/sizeof(int)); BOOL yield = n >= 0; if (n == 0) n = EXPAND_MAXN + 1; @@ -137,7 +145,7 @@ if (yield) expand_nmax = (setup < 0)? 0 : setup + 1; for (nn = (setup < 0)? 0 : 2; nn < n*2; nn += 2) { - expand_nstring[expand_nmax] = subject + ovector[nn]; + expand_nstring[expand_nmax] = s + ovector[nn]; expand_nlength[expand_nmax++] = ovector[nn+1] - ovector[nn]; } expand_nmax--; @@ -222,7 +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); } @@ -405,11 +413,11 @@ if (exim_tvcmp(&now_tv, then_tv) <= 0) { if (!running_in_test_harness) { - debug_printf("tick check: %lu.%06lu %lu.%06lu\n", + debug_printf("tick check: " TIME_T_FMT ".%06lu " TIME_T_FMT ".%06lu\n", then_tv->tv_sec, (long) then_tv->tv_usec, now_tv.tv_sec, (long) now_tv.tv_usec); - debug_printf("waiting %lu.%06lu\n", itval.it_value.tv_sec, - (long) itval.it_value.tv_usec); + debug_printf("waiting " TIME_T_FMT ".%06lu\n", + itval.it_value.tv_sec, (long) itval.it_value.tv_usec); } } @@ -812,6 +820,9 @@ fprintf(f, "Support for:"); #ifdef WITH_OLD_DEMIME fprintf(f, " Old_Demime"); #endif +#ifndef DISABLE_DNSSEC + fprintf(f, " DNSSEC"); +#endif #ifndef DISABLE_PRDR fprintf(f, " PRDR"); #endif @@ -827,26 +838,32 @@ fprintf(f, "Support for:"); #ifdef EXPERIMENTAL_BRIGHTMAIL fprintf(f, " Experimental_Brightmail"); #endif +#ifdef EXPERIMENTAL_DANE + fprintf(f, " Experimental_DANE"); +#endif #ifdef EXPERIMENTAL_DCC fprintf(f, " Experimental_DCC"); #endif #ifdef EXPERIMENTAL_DMARC fprintf(f, " Experimental_DMARC"); #endif +#ifdef EXPERIMENTAL_DSN_INFO + fprintf(f, " Experimental_DSN_info"); +#endif +#ifdef EXPERIMENTAL_INTERNATIONAL + fprintf(f, " Experimental_International"); +#endif #ifdef EXPERIMENTAL_PROXY fprintf(f, " Experimental_Proxy"); #endif -#ifdef EXPERIMENTAL_TPDA - fprintf(f, " Experimental_TPDA"); +#ifdef EXPERIMENTAL_EVENT + fprintf(f, " Experimental_Event"); #endif #ifdef EXPERIMENTAL_REDIS fprintf(f, " Experimental_Redis"); #endif -#ifdef EXPERIMENTAL_CERTNAMES - fprintf(f, " Experimental_Certnames"); -#endif -#ifdef EXPERIMENTAL_DSN - fprintf(f, " Experimental_DSN"); +#ifdef EXPERIMENTAL_SOCKS + fprintf(f, " Experimental_SOCKS"); #endif fprintf(f, "\n"); @@ -923,6 +940,9 @@ fprintf(f, "Authenticators:"); #ifdef AUTH_SPA fprintf(f, " spa"); #endif +#ifdef AUTH_TLS + fprintf(f, " tls"); +#endif fprintf(f, "\n"); fprintf(f, "Routers:"); @@ -1011,12 +1031,13 @@ DEBUG(D_any) do { #ifdef SUPPORT_TLS tls_version_report(f); #endif +#ifdef EXPERIMENTAL_INTERNATIONAL + utf8_version_report(f); +#endif - for (authi = auths_available; *authi->driver_name != '\0'; ++authi) { - if (authi->version_report) { + for (authi = auths_available; *authi->driver_name != '\0'; ++authi) + if (authi->version_report) (*authi->version_report)(f); - } - } /* PCRE_PRERELEASE is either defined and empty or a bare sequence of characters; unless it's an ancient version of PCRE in which case it @@ -1036,10 +1057,8 @@ DEBUG(D_any) do { init_lookup_list(); for (i = 0; i < lookup_list_count; i++) - { if (lookup_list[i]->version_report) lookup_list[i]->version_report(f); - } #ifdef WHITELIST_D_MACROS fprintf(f, "WHITELIST_D_MACROS: \"%s\"\n", WHITELIST_D_MACROS); @@ -1496,6 +1515,7 @@ uschar *ftest_domain = NULL; uschar *ftest_localpart = NULL; uschar *ftest_prefix = NULL; uschar *ftest_suffix = NULL; +uschar *log_oneline = NULL; uschar *malware_test_file = NULL; uschar *real_sender_address; uschar *originator_home = US"/"; @@ -1622,6 +1642,10 @@ 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". @@ -1732,6 +1756,8 @@ 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 @@ -2302,7 +2328,7 @@ for (i = 1; i < argc; i++) if (nr_configs) { int sep = 0; - uschar *list = argrest; + const uschar *list = argrest; uschar *filename; while (trusted_config && (filename = string_nextinlist(&list, &sep, big_buffer, big_buffer_size)) != NULL) @@ -2434,8 +2460,8 @@ 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; @@ -2507,7 +2533,7 @@ for (i = 1; i < argc; i++) case 'f': { - int start, end; + int dummy_start, dummy_end; uschar *errmess; if (*argrest == 0) { @@ -2515,9 +2541,7 @@ for (i = 1; i < argc; i++) { badarg = TRUE; break; } } if (*argrest == 0) - { sender_address = string_sprintf(""); /* Ensure writeable memory */ - } else { uschar *temp = argrest + Ustrlen(argrest) - 1; @@ -2525,8 +2549,15 @@ for (i = 1; i < argc; i++) if (temp >= argrest && *temp == '.') f_end_dot = TRUE; allow_domain_literals = TRUE; strip_trailing_dot = TRUE; - sender_address = parse_extract_address(argrest, &errmess, &start, &end, - &sender_address_domain, TRUE); +#ifdef EXPERIMENTAL_INTERNATIONAL + allow_utf8_domains = TRUE; +#endif + sender_address = parse_extract_address(argrest, &errmess, + &dummy_start, &dummy_end, &sender_address_domain, TRUE); +#ifdef EXPERIMENTAL_INTERNATIONAL + message_smtputf8 = string_is_utf8(sender_address); + allow_utf8_domains = FALSE; +#endif allow_domain_literals = FALSE; strip_trailing_dot = FALSE; if (sender_address == NULL) @@ -2670,15 +2701,13 @@ for (i = 1; i < argc; i++) break; } - #ifdef EXPERIMENTAL_DSN /* -MCD: set the smtp_use_dsn flag; this indicates that the host that exim is connected to supports the esmtp extension DSN */ - else if (strcmp(argrest, "CD") == 0) + else if (Ustrcmp(argrest, "CD") == 0) { smtp_use_dsn = TRUE; break; } - #endif /* -MCP: set the smtp_use_pipelining flag; this is useful only when it preceded -MC (see above) */ @@ -3381,13 +3410,20 @@ for (i = 1; i < argc; i++) case 'X': if (*argrest == '\0') - { if (++i >= argc) { fprintf(stderr, "exim: string expected after -X\n"); exit(EXIT_FAILURE); } - } + break; + + case 'z': + if (*argrest == '\0') + if (++i < argc) log_oneline = argv[i]; else + { + fprintf(stderr, "exim: file name expected after %s\n", argv[i-1]); + exit(EXIT_FAILURE); + } break; /* All other initial characters are errors */ @@ -3688,6 +3724,10 @@ 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 +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. */ @@ -3756,14 +3796,17 @@ 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 @@ -3830,6 +3873,17 @@ if (Ustrlen(syslog_processname) > 32) log_write(0, LOG_MAIN|LOG_PANIC_DIE, "syslog_processname is longer than 32 chars: aborting"); +if (log_oneline) + { + if (admin_user) + { + log_write(0, LOG_MAIN, "%s", log_oneline); + return EXIT_SUCCESS; + } + else + return EXIT_FAILURE; + } + /* In some operating systems, the environment variable TMPDIR controls where 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. @@ -3959,7 +4013,7 @@ 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; @@ -3973,7 +4027,7 @@ if (((debug_selector & D_any) != 0 || (log_extra_selector & LX_arguments) != 0) for (i = 0; i < argc; i++) { int len = Ustrlen(argv[i]); - uschar *printing; + const uschar *printing; uschar *quote; if (p + len + 8 >= big_buffer + big_buffer_size) { @@ -3985,7 +4039,7 @@ if (((debug_selector & D_any) != 0 || (log_extra_selector & LX_arguments) != 0) printing = string_printing(argv[i]); if (printing[0] == 0) quote = US"\""; else { - uschar *pp = printing; + const uschar *pp = printing; quote = US""; while (*pp != 0) if (isspace(*pp++)) { quote = US"\""; break; } } @@ -3994,7 +4048,7 @@ 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); @@ -4979,7 +5033,7 @@ if (host_checking) sender_host_address); 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, @@ -5048,6 +5102,9 @@ if (mua_wrapper) deliver_drop_privilege = TRUE; queue_smtp = FALSE; queue_smtp_domains = NULL; +#ifdef EXPERIMENTAL_INTERNATIONAL + message_utf8_downconvert = -1; /* convert-if-needed */ +#endif } @@ -5150,7 +5207,7 @@ if (smtp_input) smtp_in = stdin; smtp_out = stdout; 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()) { @@ -5326,7 +5383,6 @@ while (more) if (recipients_max > 0 && ++rcount > recipients_max && !extract_recipients) - { if (error_handling == ERRORS_STDERR) { fprintf(stderr, "exim: too many recipients\n"); @@ -5338,11 +5394,22 @@ while (more) moan_to_sender(ERRMESS_TOOMANYRECIP, NULL, NULL, stdin, TRUE)? errors_sender_rc : EXIT_FAILURE; } - } +#ifdef EXPERIMENTAL_INTERNATIONAL + { + BOOL b = allow_utf8_domains; + allow_utf8_domains = TRUE; +#endif recipient = parse_extract_address(s, &errmess, &start, &end, &domain, FALSE); +#ifdef EXPERIMENTAL_INTERNATIONAL + if (string_is_utf8(recipient)) + message_smtputf8 = TRUE; + else + allow_utf8_domains = b; + } +#endif if (domain == 0 && !allow_unqualified_recipient) { recipient = NULL; @@ -5442,9 +5509,7 @@ while (more) return_path = string_copy(sender_address); } else - { printf("Return-path = %s\n", (return_path[0] == 0)? US"<>" : return_path); - } printf("Sender = %s\n", (sender_address[0] == 0)? US"<>" : sender_address); receive_add_recipient(