X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/481e63ca2bbd7b603e5bb84f6582ab4be5e3300d..1843f70b733127fcba3321d9d69359e05905f8cc:/src/src/transports/autoreply.c diff --git a/src/src/transports/autoreply.c b/src/src/transports/autoreply.c index 666591b60..83b7fb685 100644 --- a/src/src/transports/autoreply.c +++ b/src/src/transports/autoreply.c @@ -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. */ @@ -16,44 +17,27 @@ order (note that "_" comes before the lower case letters). Those starting with "*" are not settable by the user but are used by the option-reading software for alternative value types. Some options are publicly visible and so are stored in the driver instance block. These are flagged with opt_public. */ +#define LOFF(field) OPT_OFF(autoreply_transport_options_block, field) optionlist autoreply_transport_options[] = { - { "bcc", opt_stringptr, - (void *)offsetof(autoreply_transport_options_block, bcc) }, - { "cc", opt_stringptr, - (void *)offsetof(autoreply_transport_options_block, cc) }, - { "file", opt_stringptr, - (void *)offsetof(autoreply_transport_options_block, file) }, - { "file_expand", opt_bool, - (void *)offsetof(autoreply_transport_options_block, file_expand) }, - { "file_optional", opt_bool, - (void *)offsetof(autoreply_transport_options_block, file_optional) }, - { "from", opt_stringptr, - (void *)offsetof(autoreply_transport_options_block, from) }, - { "headers", opt_stringptr, - (void *)offsetof(autoreply_transport_options_block, headers) }, - { "log", opt_stringptr, - (void *)offsetof(autoreply_transport_options_block, logfile) }, - { "mode", opt_octint, - (void *)offsetof(autoreply_transport_options_block, mode) }, - { "never_mail", opt_stringptr, - (void *)offsetof(autoreply_transport_options_block, never_mail) }, - { "once", opt_stringptr, - (void *)offsetof(autoreply_transport_options_block, oncelog) }, - { "once_file_size", opt_int, - (void *)offsetof(autoreply_transport_options_block, once_file_size) }, - { "once_repeat", opt_stringptr, - (void *)offsetof(autoreply_transport_options_block, once_repeat) }, - { "reply_to", opt_stringptr, - (void *)offsetof(autoreply_transport_options_block, reply_to) }, - { "return_message", opt_bool, - (void *)offsetof(autoreply_transport_options_block, return_message) }, - { "subject", opt_stringptr, - (void *)offsetof(autoreply_transport_options_block, subject) }, - { "text", opt_stringptr, - (void *)offsetof(autoreply_transport_options_block, text) }, - { "to", opt_stringptr, - (void *)offsetof(autoreply_transport_options_block, to) }, + { "bcc", opt_stringptr, LOFF(bcc) }, + { "cc", opt_stringptr, LOFF(cc) }, + { "file", opt_stringptr, LOFF(file) }, + { "file_expand", opt_bool, LOFF(file_expand) }, + { "file_optional", opt_bool, LOFF(file_optional) }, + { "from", opt_stringptr, LOFF(from) }, + { "headers", opt_stringptr, LOFF(headers) }, + { "log", opt_stringptr, LOFF(logfile) }, + { "mode", opt_octint, LOFF(mode) }, + { "never_mail", opt_stringptr, LOFF(never_mail) }, + { "once", opt_stringptr, LOFF(oncelog) }, + { "once_file_size", opt_int, LOFF(once_file_size) }, + { "once_repeat", opt_stringptr, LOFF(once_repeat) }, + { "reply_to", opt_stringptr, LOFF(reply_to) }, + { "return_message", opt_bool, LOFF(return_message) }, + { "subject", opt_stringptr, LOFF(subject) }, + { "text", opt_stringptr, LOFF(text) }, + { "to", opt_stringptr, LOFF(to) }, }; /* Size of the options list. An extern variable has to be used so that its @@ -191,18 +175,21 @@ return ss; list. Any that are found are removed. Arguments: - listptr points to the list of addresses + list list of addresses to be checked never_mail an address list, already expanded -Returns: nothing +Returns: edited replacement address list, or NULL, or original */ -static void -check_never_mail(uschar **listptr, const uschar *never_mail) +static uschar * +check_never_mail(uschar * list, const uschar * never_mail) { -uschar *s = *listptr; +rmark reset_point = store_mark(); +uschar * newlist = string_copy(list); +uschar * s = newlist; +BOOL hit = FALSE; -while (*s != 0) +while (*s) { uschar *error, *next; uschar *e = parse_find_address_end(s, FALSE); @@ -219,7 +206,7 @@ while (*s != 0) /* If there is some kind of syntax error, just give up on this header line. */ - if (next == NULL) break; + if (!next) break; /* See if the address is on the never_mail list */ @@ -236,6 +223,7 @@ while (*s != 0) { DEBUG(D_transport) debug_printf("discarding recipient %s (matched never_mail)\n", next); + hit = TRUE; if (terminator == ',') e++; memmove(s, e, Ustrlen(e) + 1); } @@ -246,18 +234,31 @@ while (*s != 0) } } +/* If no addresses were removed, retrieve the memory used and return +the original. */ + +if (!hit) + { + store_reset(reset_point); + return list; + } + /* Check to see if we removed the last address, leaving a terminating comma that needs to be removed */ -s = *listptr + Ustrlen(*listptr); -while (s > *listptr && (isspace(s[-1]) || s[-1] == ',')) s--; +s = newlist + Ustrlen(newlist); +while (s > newlist && (isspace(s[-1]) || s[-1] == ',')) s--; *s = 0; -/* Check to see if there any addresses left; if not, set NULL */ +/* Check to see if there any addresses left; if not, return NULL */ -s = *listptr; -while (s != 0 && isspace(*s)) s++; -if (*s == 0) *listptr = NULL; +s = newlist; +while (s && isspace(*s)) s++; +if (*s) + return newlist; + +store_reset(reset_point); +return NULL; } @@ -388,9 +389,9 @@ if (ob->never_mail) return FALSE; } - if (to) check_never_mail(&to, never_mail); - if (cc) check_never_mail(&cc, never_mail); - if (bcc) check_never_mail(&bcc, never_mail); + if (to) to = check_never_mail(to, never_mail); + if (cc) cc = check_never_mail(cc, never_mail); + if (bcc) bcc = check_never_mail(bcc, never_mail); if (!to && !cc && !bcc) { @@ -420,14 +421,15 @@ recipient cache. */ if (oncelog && *oncelog && to) { + uschar *m; time_t then = 0; - if (is_tainted(oncelog)) + if ((m = is_tainted2(oncelog, 0, "Tainted '%s' (once file for %s transport)" + " not permitted", oncelog, tblock->name))) { addr->transport_return = DEFER; addr->basic_errno = EACCES; - addr->message = string_sprintf("Tainted '%s' (once file for %s transport)" - " not permitted", oncelog, tblock->name); + addr->message = m; goto END_OFF; } @@ -490,10 +492,10 @@ if (oncelog && *oncelog && to) else { EXIM_DATUM key_datum, result_datum; - uschar * dirname = string_copy(oncelog); - uschar * s; + uschar * dirname, * s; - if ((s = Ustrrchr(dirname, '/'))) *s = '\0'; + dirname = (s = Ustrrchr(oncelog, '/')) + ? string_copyn(oncelog, s - oncelog) : NULL; EXIM_DBOPEN(oncelog, dirname, O_RDWR|O_CREAT, ob->mode, &dbm_file); if (!dbm_file) { @@ -531,13 +533,14 @@ if (oncelog && *oncelog && to) if (then != 0 && (once_repeat_sec <= 0 || now - then < once_repeat_sec)) { + uschar *m; int log_fd; - if (is_tainted(logfile)) + if ((m = is_tainted2(logfile, 0, "Tainted '%s' (logfile for %s transport)" + " not permitted", logfile, tblock->name))) { addr->transport_return = DEFER; addr->basic_errno = EACCES; - addr->message = string_sprintf("Tainted '%s' (logfile for %s transport)" - " not permitted", logfile, tblock->name); + addr->message = m; goto END_OFF; } @@ -564,12 +567,13 @@ if (oncelog && *oncelog && to) /* We are going to send a message. Ensure any requested file is available. */ if (file) { - if (is_tainted(file)) + uschar *m; + if ((m = is_tainted2(file, 0, "Tainted '%s' (file for %s transport)" + " not permitted", file, tblock->name))) { addr->transport_return = DEFER; addr->basic_errno = EACCES; - addr->message = string_sprintf("Tainted '%s' (file for %s transport)" - " not permitted", file, tblock->name); + addr->message = m; return FALSE; } if (!(ff = Ufopen(file, "rb")) && !ob->file_optional) @@ -584,12 +588,10 @@ if (file) /* Make a subprocess to send the message */ -pid = child_open_exim(&fd); - -/* Creation of child failed; defer this delivery. */ - -if (pid < 0) +if ((pid = child_open_exim(&fd, US"autoreply")) < 0) { + /* Creation of child failed; defer this delivery. */ + addr->transport_return = DEFER; addr->basic_errno = errno; addr->message = string_sprintf("Failed to create child process to send " @@ -644,6 +646,7 @@ if (text) if (ff) { +debug_printf("%s %d: ff\n", __FUNCTION__, __LINE__); while (Ufgets(big_buffer, big_buffer_size, ff) != NULL) { if (file_expand) @@ -667,12 +670,12 @@ limit if we are returning the body. */ if (return_message) { - uschar *rubric = (tblock->headers_only)? - US"------ This is a copy of the message's header lines.\n" - : (tblock->body_only)? - US"------ This is a copy of the body of the message, without the headers.\n" - : - US"------ This is a copy of the message, including all the headers.\n"; +debug_printf("%s %d: ret msg\n", __FUNCTION__, __LINE__); + uschar *rubric = tblock->headers_only + ? US"------ This is a copy of the message's header lines.\n" + : tblock->body_only + ? US"------ This is a copy of the body of the message, without the headers.\n" + : US"------ This is a copy of the message, including all the headers.\n"; transport_ctx tctx = { .u = {.fd = fileno(fp)}, .tblock = tblock,