- }
-
- /* Check the contents of the strings. The type of string can be deduced
- from the value of i.
-
- . If i is equal to mailarg_index_text it's a text string for the body,
- where anything goes.
-
- . If i is > mailarg_index_text, we are dealing with a file name, which
- cannot contain non-printing characters.
-
- . If i is less than mailarg_index_headers we are dealing with something
- that will go in a single message header line, where newlines must be
- followed by white space.
-
- . If i is equal to mailarg_index_headers, we have a string that contains
- one or more headers. Newlines that are not followed by white space must
- be followed by a header name.
- */
-
- for (i = 0; i < MAILARGS_STRING_COUNT; i++)
- {
- uschar *p;
- uschar *s = expargs[i];
-
- if (s == NULL) continue;
-
- if (i != mailarg_index_text) for (p = s; *p != 0; p++)
- {
- int c = *p;
- if (i > mailarg_index_text)
- {
- if (!mac_isprint(c))
- {
- *error_pointer = string_sprintf("non-printing character in \"%s\" "
- "in %s command", string_printing(s),
- command_list[commands->command]);
- return FF_ERROR;
- }
- }
-
- /* i < mailarg_index_text */
-
- else if (c == '\n' && !isspace(p[1]))
- {
- if (i < mailarg_index_headers)
- {
- *error_pointer = string_sprintf("\\n not followed by space in "
- "\"%.1024s\" in %s command", string_printing(s),
- command_list[commands->command]);
- return FF_ERROR;
- }
-
- /* Check for the start of a new header line within the string */
-
- else
- {
- uschar *pp;
- for (pp = p + 1;; pp++)
- {
- c = *pp;
- if (c == ':' && pp != p + 1) break;
- if (c == 0 || c == ':' || isspace(*pp))
- {
- *error_pointer = string_sprintf("\\n not followed by space or "
- "valid header name in \"%.1024s\" in %s command",
- string_printing(s), command_list[commands->command]);
- return FF_ERROR;
- }
- }
- p = pp;
- }
- }
- } /* Loop to scan the string */
-
- /* The string is OK */
-
- commands->args[i].u = s;
- }
-
- /* Proceed with mail or vacation command */
-
- if (filter_test != FTEST_NONE)
- {
- uschar *to = commands->args[mailarg_index_to].u;
- indent();
- printf("%sail to: %s%s%s\n", (commands->seen)? "Seen m" : "M",
- (to == NULL)? US"<default>" : to,
- (commands->command == vacation_command)? " (vacation)" : "",
- (commands->noerror)? " (noerror)" : "");
- for (i = 1; i < MAILARGS_STRING_COUNT; i++)
- {
- uschar *arg = commands->args[i].u;
- if (arg != NULL)
- {
- int len = Ustrlen(mailargs[i]);
- int indent = (debug_selector != 0)? output_indent : 0;
- while (len++ < 7 + indent) printf(" ");
- printf("%s: %s%s\n", mailargs[i], string_printing(arg),
- (commands->args[mailarg_index_expand].u != NULL &&
- Ustrcmp(mailargs[i], "file") == 0)? " (expanded)" : "");
- }
- }
- if (commands->args[mailarg_index_return].u != NULL)
- printf("Return original message\n");
- }
- else
- {
- uschar *tt;
- uschar *log_addr = NULL;
- uschar *to = commands->args[mailarg_index_to].u;
- int size = 0;
- int ptr = 0;
- int badflag = 0;
-
- if (to == NULL) to = expand_string(US"$reply_address");
- while (isspace(*to)) to++;
-
- for (tt = to; *tt != 0; tt++) /* Get rid of newlines */
- if (*tt == '\n') *tt = ' ';
-
- DEBUG(D_filter)
- {
- debug_printf("Filter: %smail to: %s%s%s\n",
- (commands->seen)? "seen " : "",
- to,
- (commands->command == vacation_command)? " (vacation)" : "",
- (commands->noerror)? " (noerror)" : "");
- for (i = 1; i < MAILARGS_STRING_COUNT; i++)
- {
- uschar *arg = commands->args[i].u;
- if (arg != NULL)
- {
- int len = Ustrlen(mailargs[i]);
- while (len++ < 15) debug_printf(" ");
- debug_printf("%s: %s%s\n", mailargs[i], string_printing(arg),
- (commands->args[mailarg_index_expand].u != NULL &&
- Ustrcmp(mailargs[i], "file") == 0)? " (expanded)" : "");
- }
- }
- }
-
- /* Create the "address" for the autoreply. This is used only for logging,
- as the actual recipients are extracted from the To: line by -t. We use the
- same logic here to extract the working addresses (there may be more than
- one). Just in case there are a vast number of addresses, stop when the
- string gets too long. */
-
- tt = to;
- while (*tt != 0)
- {
- uschar *ss = parse_find_address_end(tt, FALSE);
- uschar *recipient, *errmess;
- int start, end, domain;
- int temp = *ss;
-
- *ss = 0;
- recipient = parse_extract_address(tt, &errmess, &start, &end, &domain,
- FALSE);
- *ss = temp;
-
- /* Ignore empty addresses and errors; an error will occur later if
- there's something really bad. */
-
- if (recipient != NULL)
- {
- log_addr = string_catn(log_addr, &size, &ptr,
- log_addr ? US"," : US">", 1);
- log_addr = string_cat(log_addr, &size, &ptr, recipient);
- }
-
- /* Check size */
-
- if (ptr > 256)
- {
- log_addr = string_catn(log_addr, &size, &ptr, US", ...", 5);
- break;
- }
-
- /* Move on past this address */
-
- tt = ss + (*ss? 1:0);
- while (isspace(*tt)) tt++;
- }
-
- if (log_addr == NULL)
- {
- log_addr = string_sprintf(">**bad-reply**");
- badflag = af_bad_reply;
- }
- else log_addr[ptr] = 0;
-
- addr = deliver_make_addr(log_addr, FALSE);
- setflag(addr, (af_pfr|badflag));
- if (commands->noerror) setflag(addr, af_ignore_error);
- addr->next = *generated;
- *generated = addr;
- addr->reply = store_get(sizeof(reply_item));
- addr->reply->from = NULL;
- addr->reply->to = string_copy(to);
- addr->reply->file_expand =
- commands->args[mailarg_index_expand].u != NULL;
- addr->reply->expand_forbid = expand_forbid;
- addr->reply->return_message =
- commands->args[mailarg_index_return].u != NULL;
- addr->reply->once_repeat = 0;
-
- if (commands->args[mailarg_index_once_repeat].u != NULL)
- {
- addr->reply->once_repeat =
- readconf_readtime(commands->args[mailarg_index_once_repeat].u, 0,
- FALSE);
- if (addr->reply->once_repeat < 0)
- {
- *error_pointer = string_sprintf("Bad time value for \"once_repeat\" "
- "in mail or vacation command: %s",
- commands->args[mailarg_index_once_repeat]);
- return FF_ERROR;
- }
- }
-
- /* Set up all the remaining string arguments (those other than "to") */
-
- for (i = 1; i < mailargs_string_passed; i++)
- {
- uschar *ss = commands->args[i].u;
- *((uschar **)(((uschar *)(addr->reply)) + reply_offsets[i])) =
- (ss == NULL)? NULL : string_copy(ss);
- }
- }
- break;