meillo@0: /*  MasqMail
meillo@0:     Copyright (C) 1999-2002 Oliver Kurth
meillo@224:     Copyright (C) 2008, 2010 markus schnalke <meillo@marmaro.de>
meillo@0: 
meillo@0:     This program is free software; you can redistribute it and/or modify
meillo@0:     it under the terms of the GNU General Public License as published by
meillo@0:     the Free Software Foundation; either version 2 of the License, or
meillo@0:     (at your option) any later version.
meillo@0: 
meillo@0:     This program is distributed in the hope that it will be useful,
meillo@0:     but WITHOUT ANY WARRANTY; without even the implied warranty of
meillo@0:     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
meillo@0:     GNU General Public License for more details.
meillo@0: 
meillo@0:     You should have received a copy of the GNU General Public License
meillo@0:     along with this program; if not, write to the Free Software
meillo@0:     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
meillo@0: */
meillo@0: 
meillo@0: #include <fnmatch.h>
meillo@0: #include <sysexits.h>
meillo@0: #include <netdb.h>
meillo@0: 
meillo@15: #include "masqmail.h"
meillo@15: #include "smtp_out.h"
meillo@15: 
meillo@0: /* collect failed/defered rcpts for failure/warning messages */
meillo@15: /* returns TRUE if either there are no failures or a failure message has been successfully sent */
meillo@10: gboolean
meillo@10: delivery_failures(message * msg, GList * rcpt_list, gchar * err_fmt, ...)
meillo@0: {
meillo@10: 	gboolean ok_fail = TRUE, ok_warn = TRUE;
meillo@10: 	time_t now = time(NULL);
meillo@0: 
meillo@10: 	GList *failed_list = NULL, *defered_list = NULL, *rcpt_node;
meillo@10: 	va_list args;
meillo@10: 	va_start(args, err_fmt);
meillo@0: 
meillo@10: 	foreach(rcpt_list, rcpt_node) {
meillo@10: 		address *rcpt = (address *) (rcpt_node->data);
meillo@10: 
meillo@10: 		if (addr_is_defered(rcpt)) {
meillo@10: 			if ((now - msg->received_time) >= conf.max_defer_time) {
meillo@10: 				addr_mark_failed(rcpt);
meillo@280: 			} else {
meillo@10: 				defered_list = g_list_prepend(defered_list, rcpt);
meillo@280: 			}
meillo@10: 		}
meillo@280: 		if (addr_is_failed(rcpt)) {
meillo@10: 			failed_list = g_list_prepend(failed_list, rcpt);
meillo@280: 		}
meillo@10: 	}
meillo@280: 	if (failed_list) {
meillo@10: 		ok_fail = fail_msg(msg, conf.errmsg_file, failed_list, err_fmt, args);
meillo@10: 		g_list_free(failed_list);
meillo@10: 	}
meillo@280: 	if (defered_list) {
meillo@10: 		ok_warn = warn_msg(msg, conf.warnmsg_file, defered_list, err_fmt, args);
meillo@10: 		g_list_free(defered_list);
meillo@10: 	}
meillo@10: 	va_end(args);
meillo@10: 	return ok_fail && ok_warn;
meillo@0: }
meillo@0: 
meillo@10: static gint
meillo@10: _g_list_strcasecmp(gconstpointer a, gconstpointer b)
meillo@0: {
meillo@10: 	return (gint) strcasecmp(a, b);
meillo@0: }
meillo@0: 
meillo@10: gboolean
meillo@280: deliver_local_mbox(message* msg, GList* hdr_list, address* rcpt, address* env_addr)
meillo@280: {
meillo@280: 	DEBUG(1) debugf("attempting to deliver %s with mbox\n", msg->uid);
meillo@280: 	if (append_file(msg, hdr_list, rcpt->local_part)) {
meillo@280: 		if (env_addr != rcpt) {
meillo@280: 			logwrite(LOG_NOTICE, "%s => %s@%s <%s@%s> with mbox\n", msg->uid, rcpt->local_part, rcpt->domain, env_addr->local_part, env_addr->domain);
meillo@280: 		} else {
meillo@280: 			logwrite(LOG_NOTICE, "%s => <%s@%s> with mbox\n", msg->uid, rcpt->local_part, rcpt->domain);
meillo@280: 		}
meillo@280: 		addr_mark_delivered(rcpt);
meillo@280: 		return TRUE;
meillo@280: 	}
meillo@280: 
meillo@280: 	/* prevents 'Resource temporarily unavailable (11)' */
meillo@280: 	if (errno != EAGAIN) {
meillo@280: 		addr_mark_failed(rcpt);
meillo@280: 	} else {
meillo@280: 		addr_mark_defered(rcpt);
meillo@280: 	}
meillo@280: 	return FALSE;
meillo@280: }
meillo@280: 
meillo@280: gboolean
meillo@280: deliver_local_pipe(message* msg, GList* hdr_list, address* rcpt, address* env_addr)
meillo@280: {
meillo@280: 	guint flags;
meillo@280: 
meillo@280: 	DEBUG(1) debugf("attempting to deliver %s with pipe\n", msg->uid);
meillo@280: 
meillo@280: 	flags = (conf.pipe_fromline) ? MSGSTR_FROMLINE : 0;
meillo@280: 	flags |= (conf.pipe_fromhack) ? MSGSTR_FROMHACK : 0;
meillo@280: 	if (pipe_out(msg, hdr_list, rcpt, &(rcpt->local_part[1]), flags)) {
meillo@280: 		logwrite(LOG_NOTICE, "%s => %s <%s@%s> with pipe\n",
meillo@280: 		         msg->uid, rcpt->local_part, env_addr->local_part, env_addr->domain);
meillo@280: 		addr_mark_delivered(rcpt);
meillo@280: 		return TRUE;
meillo@280: 	}
meillo@280: 
meillo@280: 	if ((errno != (1024 + EX_TEMPFAIL)) && (errno != EAGAIN)) {
meillo@280: 		addr_mark_failed(rcpt);
meillo@280: 	} else {
meillo@280: 		addr_mark_defered(rcpt);
meillo@280: 		/* has no effect yet, except that mail remains in spool */
meillo@280: 	}
meillo@280: 	return FALSE;
meillo@280: }
meillo@280: 
meillo@280: gboolean
meillo@280: deliver_local_mda(message* msg, GList* hdr_list, address* rcpt, address* env_addr)
meillo@280: {
meillo@280: 	gboolean ok = FALSE;
meillo@280: 	gchar *cmd = g_malloc(256);
meillo@280: 	GList *var_table = var_table_rcpt(var_table_msg(NULL, msg), rcpt);
meillo@280: 	guint flags;
meillo@280: 
meillo@280: 	DEBUG(1) debugf("attempting to deliver %s with mda\n", msg->uid);
meillo@280: 
meillo@280: 	if (!expand(var_table, conf.mda, cmd, 256)) {
meillo@280: 		logwrite(LOG_ALERT, "could not expand string %s\n", conf.mda);
meillo@280: 		destroy_table(var_table);
meillo@280: 		return FALSE;
meillo@280: 	}
meillo@280: 
meillo@280: 	flags = (conf.mda_fromline) ? MSGSTR_FROMLINE : 0;
meillo@280: 	flags |= (conf.mda_fromhack) ? MSGSTR_FROMHACK : 0;
meillo@280: 	if (pipe_out(msg, hdr_list, rcpt, cmd, flags)) {
meillo@280: 		logwrite(LOG_NOTICE, "%s => %s@%s with mda (cmd = '%s')\n",
meillo@280: 		         msg->uid, rcpt->local_part, rcpt->domain, cmd);
meillo@280: 		addr_mark_delivered(rcpt);
meillo@280: 		ok = TRUE;
meillo@280: 	} else if ((errno != (1024 + EX_TEMPFAIL)) && (errno != EAGAIN)) {
meillo@280: 		addr_mark_failed(rcpt);
meillo@280: 	} else {
meillo@280: 		addr_mark_defered(rcpt);
meillo@280: 		/* has no effect yet, except that mail remains in spool */
meillo@280: 	}
meillo@280: 
meillo@280: 	destroy_table(var_table);
meillo@280: 	return ok;
meillo@280: }
meillo@280: 
meillo@280: gboolean
meillo@10: deliver_local(msg_out * msgout)
meillo@0: {
meillo@10: 	message *msg = msgout->msg;
meillo@10: 	GList *rcpt_list = msgout->rcpt_list;
meillo@10: 	GList *rcpt_node;
meillo@280: 	gboolean ok = FALSE, flag = FALSE, ok_fail = FALSE;
meillo@0: 
meillo@10: 	DEBUG(5) debugf("deliver_local entered\n");
meillo@0: 
meillo@10: 	flag = (msg->data_list == NULL);
meillo@280: 	if (flag && !spool_read_data(msg)) {
meillo@280: 		logwrite(LOG_ALERT, "could not open data spool file for %s\n", msg->uid);
meillo@280: 		return FALSE;
meillo@10: 	}
meillo@0: 
meillo@10: 	for (rcpt_node = g_list_first(rcpt_list); rcpt_node; rcpt_node = g_list_next(rcpt_node)) {
meillo@10: 		GList *hdr_list;
meillo@10: 		address *rcpt = (address *) (rcpt_node->data);
meillo@10: 		address *env_addr = addr_find_ancestor(rcpt);
meillo@10: 		address *ret_path = msg->return_path;
meillo@10: 		header *retpath_hdr, *envto_hdr;
meillo@0: 
meillo@280: 		/* we need a private copy of the hdr list because we add headers
meillo@280: 		   here that belong to the rcpt only. g_list_copy copies only
meillo@280: 		   the nodes, so it is safe to g_list_free it */
meillo@10: 		hdr_list = g_list_copy(msg->hdr_list);
meillo@10: 		retpath_hdr = create_header(HEAD_ENVELOPE_TO, "Envelope-to: %s\n", addr_string(env_addr));
meillo@10: 		envto_hdr = create_header(HEAD_RETURN_PATH, "Return-path: %s\n", addr_string(ret_path));
meillo@0: 
meillo@10: 		hdr_list = g_list_prepend(hdr_list, envto_hdr);
meillo@10: 		hdr_list = g_list_prepend(hdr_list, retpath_hdr);
meillo@0: 
meillo@10: 		if (rcpt->local_part[0] == '|') {
meillo@280: 			/* probably for expanded aliases, but why not done
meillo@280: 			   like with the mda? //meillo 2010-12-06 */
meillo@280: 			if (deliver_local_pipe(msg, hdr_list, rcpt, env_addr)) {
meillo@10: 				ok = TRUE;
meillo@10: 			}
meillo@10: 		} else {
meillo@10: 			/* figure out which mailbox type should be used for this user */
meillo@10: 			gchar *user = rcpt->local_part;
meillo@10: 			gchar *mbox_type = conf.mbox_default;
meillo@0: 
meillo@280: 			if (g_list_find_custom (conf.mbox_users, user, _g_list_strcasecmp)) {
meillo@10: 				mbox_type = "mbox";
meillo@280: 			} else if (g_list_find_custom (conf.mda_users, user, _g_list_strcasecmp)) {
meillo@10: 				mbox_type = "mda";
meillo@280: 			}
meillo@10: 
meillo@10: 			if (strcmp(mbox_type, "mbox") == 0) {
meillo@280: 				if (deliver_local_mbox(msg, hdr_list, rcpt, env_addr)) {
meillo@280: 					ok = TRUE;
meillo@280: 				}
meillo@280: 			} else if (strcmp(mbox_type, "mda") == 0) {
meillo@280: 				if (conf.mda) {
meillo@280: 					if (deliver_local_mda(msg, hdr_list, rcpt, env_addr)) {
meillo@280: 						ok = TRUE;
meillo@10: 					}
meillo@10: 				} else {
meillo@280: 					logwrite(LOG_ALERT, "mbox type is mda, but no mda command given in configuration\n");
meillo@10: 				}
meillo@10: 
meillo@280: 			} else {
meillo@10: 				logwrite(LOG_ALERT, "unknown mbox type '%s'\n", mbox_type);
meillo@280: 			}
meillo@10: 		}
meillo@0: 
meillo@10: 		destroy_header(retpath_hdr);
meillo@10: 		destroy_header(envto_hdr);
meillo@0: 
meillo@10: 		g_list_free(hdr_list);
meillo@10: 	}
meillo@10: 	ok_fail = delivery_failures(msg, rcpt_list, "%s (%d)", ext_strerror(errno), errno);
meillo@0: 
meillo@280: 	if (flag) {
meillo@10: 		msg_free_data(msg);
meillo@280: 	}
meillo@280: 	if (ok || ok_fail) {
meillo@10: 		deliver_finish(msgout);
meillo@280: 	}
meillo@0: 
meillo@10: 	return ok;
meillo@0: }
meillo@0: 
meillo@315: /* make a list of rcpt's of a message that are local
meillo@315:    return a new copy of the list */
meillo@10: void
meillo@10: msg_rcptlist_local(GList * rcpt_list, GList ** p_local_list, GList ** p_nonlocal_list)
meillo@0: {
meillo@10: 	GList *rcpt_node;
meillo@0: 
meillo@10: 	foreach(rcpt_list, rcpt_node) {
meillo@10: 		address *rcpt = (address *) (rcpt_node->data);
meillo@10: 		GList *dom_node;
meillo@0: 
meillo@10: 		DEBUG(5) debugf("checking address %s\n", rcpt->address);
meillo@0: 
meillo@10: 		/* search for local host list: */
meillo@10: 		foreach(conf.local_hosts, dom_node) {
meillo@10: 			if (strcasecmp(dom_node->data, rcpt->domain) == 0) {
meillo@10: 				*p_local_list = g_list_append(*p_local_list, rcpt);
meillo@10: 				DEBUG(5) debugf("<%s@%s> is local\n", rcpt->local_part, rcpt->domain);
meillo@10: 				break;
meillo@10: 			} else {
meillo@10: 				*p_nonlocal_list = g_list_append(*p_nonlocal_list, rcpt);
meillo@10: 			}
meillo@10: 		}
meillo@10: 	}
meillo@0: }
meillo@0: 
meillo@10: gboolean
meillo@10: deliver_msglist_host_pipe(connect_route * route, GList * msgout_list, gchar * host, GList * res_list)
meillo@0: {
meillo@10: 	gboolean ok = TRUE;
meillo@10: 	GList *msgout_node;
meillo@0: 
meillo@10: 	DEBUG(5) debugf("deliver_msglist_host_pipe entered\n");
meillo@0: 
meillo@10: 	foreach(msgout_list, msgout_node) {
meillo@10: 		msg_out *msgout = (msg_out *) (msgout_node->data);
meillo@280: 		gboolean flag, ok_fail = FALSE;
meillo@10: 		message *msg = msgout->msg;
meillo@10: 		GList *rcpt_node, *rcpt_list = msgout->rcpt_list;
meillo@0: 
meillo@10: 		DEBUG(1) debugf("attempting to deliver %s with pipe\n", msg->uid);
meillo@0: 
meillo@10: 		flag = (msg->data_list == NULL);
meillo@280: 		if (flag && !spool_read_data(msg)) {
meillo@280: 			logwrite(LOG_ALERT, "could not open data spool file for %s\n", msg->uid);
meillo@280: 			continue;
meillo@10: 		}
meillo@0: 
meillo@10: 		ok = FALSE;
meillo@10: 		foreach(rcpt_list, rcpt_node) {
meillo@10: 			address *rcpt = (address *) (rcpt_node->data);
meillo@10: 			gchar *cmd = g_malloc(256);
meillo@10: 			GList *var_table = var_table_rcpt(var_table_msg(NULL, msg), rcpt);
meillo@0: 
meillo@10: 			DEBUG(1) debugf("attempting to deliver %s to %s@%s with pipe\n", msg->uid, rcpt->local_part, rcpt->domain);
meillo@10: 
meillo@280: 			if (!expand(var_table, route->pipe, cmd, 256)) {
meillo@280: 				logwrite(LOG_ALERT, "could not expand string %s\n", route->pipe);
meillo@280: 			} else {
meillo@10: 
meillo@10: 				if (pipe_out(msg, msg->hdr_list, rcpt, cmd, (route->pipe_fromline ? MSGSTR_FROMLINE : 0)
meillo@10: 				    | (route->pipe_fromhack ? MSGSTR_FROMHACK : 0))) {
meillo@10: 					logwrite(LOG_NOTICE, "%s => %s@%s with pipe (cmd = '%s')\n",
meillo@10: 					         msg->uid, rcpt->local_part, rcpt->domain, cmd);
meillo@10: 					addr_mark_delivered(rcpt);
meillo@10: 					ok = TRUE;
meillo@10: 				} else {
meillo@10: 					logwrite(LOG_ALERT, "pipe_out '%s' failed\n", route->pipe);
meillo@10: 
meillo@10: 					if (route->connect_error_fail) {
meillo@10: 						addr_mark_failed(rcpt);
meillo@10: 					} else {
meillo@10: 						addr_mark_defered(rcpt);
meillo@10: 					}
meillo@10: 				}
meillo@280: 			}
meillo@10: 
meillo@10: 			destroy_table(var_table);
meillo@10: 		}
meillo@10: 		ok_fail = delivery_failures(msg, rcpt_list, "%s", strerror(errno));
meillo@10: 
meillo@280: 		if (flag) {
meillo@10: 			msg_free_data(msg);
meillo@280: 		}
meillo@280: 		if (ok || ok_fail) {
meillo@10: 			deliver_finish(msgout);
meillo@280: 		}
meillo@0: 	}
meillo@0: 
meillo@10: 	return ok;
meillo@0: }
meillo@0: 
meillo@280: /* deliver list of messages to one host and finishes them if the message was
meillo@280:    delivered to at least one rcpt.
meillo@10:    Returns TRUE if at least one msg was delivered to at least one rcpt.
meillo@0: */
meillo@10: gboolean
meillo@10: deliver_msglist_host_smtp(connect_route * route, GList * msgout_list, gchar * host, GList * res_list)
meillo@0: {
meillo@10: 	gboolean ok = FALSE;
meillo@10: 	GList *msgout_node;
meillo@10: 	smtp_base *psb;
meillo@178: 	gint port = 25;
meillo@0: 
meillo@10: 	/* paranoid check: */
meillo@280: 	if (!msgout_list) {
meillo@10: 		logwrite(LOG_ALERT, "Ooops: empty list of messages in deliver_msglist_host()\n");
meillo@10: 		return FALSE;
meillo@10: 	}
meillo@10: 
meillo@280: 	if (!host) {
meillo@179: 		/* XXX: what if mail_host isn't set? Is this possible? */
meillo@10: 		host = route->mail_host->address;
meillo@10: 		port = route->mail_host->port;
meillo@178: 	}
meillo@10: 
meillo@280: 	if (route->wrapper) {
meillo@280: 		psb = smtp_out_open_child(route->wrapper);
meillo@280: 	} else {
meillo@280: 		psb = smtp_out_open(host, port, res_list);
meillo@280: 	}
meillo@0: 
meillo@280: 	if (!psb) {
meillo@10: 		/* smtp_out_open() failed */
meillo@10: 		foreach(msgout_list, msgout_node) {
meillo@10: 			msg_out *msgout = (msg_out *) (msgout_node->data);
meillo@10: 			GList *rcpt_node;
meillo@10: 
meillo@280: 			for (rcpt_node = g_list_first(msgout->rcpt_list);
meillo@280: 			     rcpt_node;
meillo@280: 			     rcpt_node = g_list_next(rcpt_node)) {
meillo@10: 				address *rcpt = (address *) (rcpt_node->data);
meillo@280: 				gboolean ret = FALSE;
meillo@10: 
meillo@10: 				addr_unmark_delivered(rcpt);
meillo@10: 				if (route->connect_error_fail) {
meillo@10: 					addr_mark_failed(rcpt);
meillo@10: 				} else {
meillo@10: 					addr_mark_defered(rcpt);
meillo@10: 				}
meillo@280: 				if (route->wrapper) {
meillo@280: 					ret = delivery_failures(msgout->msg, msgout->rcpt_list, "could not open wrapper:\n\t%s", strerror(errno));
meillo@280: 				} else {
meillo@280: 					ret = delivery_failures(msgout->msg, msgout->rcpt_list, "could not open connection to %s:%d :\n\t%s", host, port, h_errno != 0 ? hstrerror(h_errno) : strerror(errno));
meillo@280: 				}
meillo@280: 				if (ret) {
meillo@10: 					deliver_finish(msgout);
meillo@280: 				}
meillo@10: 			}
meillo@10: 		}
meillo@280: 		return ok;
meillo@0: 	}
meillo@280: 
meillo@280: 
meillo@280: 	if (route->wrapper) {
meillo@280: 		/* it seems as if the remote_host is only set for logging
meillo@280: 		/* XXX: this could probably be moved into smtp_out_open_child() */
meillo@280: 		psb->remote_host = host;
meillo@280: 	}
meillo@280: 
meillo@280: 	set_heloname(psb, route->helo_name ? route->helo_name : conf.host_name, route->do_correct_helo);
meillo@280: 
meillo@280: #ifdef ENABLE_AUTH
meillo@280: 	if ((route->auth_name) && (route->auth_login) && (route->auth_secret)) {
meillo@280: 		set_auth(psb, route->auth_name, route->auth_login, route->auth_secret);
meillo@280: 	}
meillo@280: #endif
meillo@280: 	if (!smtp_out_init(psb, route->instant_helo)) {
meillo@280: 		/* smtp_out_init() failed */
meillo@280: 		if ((psb->error==smtp_fail) || (psb->error==smtp_trylater) || (psb->error==smtp_syntax)) {
meillo@280: 			smtp_out_quit(psb);
meillo@280: 
meillo@280: 			foreach(msgout_list, msgout_node) {
meillo@280: 				msg_out *msgout = (msg_out *) (msgout_node->data);
meillo@280: 				smtp_out_mark_rcpts(psb, msgout->rcpt_list);
meillo@280: 
meillo@280: 				if (delivery_failures(msgout->msg, msgout->rcpt_list, "while connected with %s, the server replied\n\t%s", host, psb->buffer)) {
meillo@280: 					deliver_finish(msgout);
meillo@280: 				}
meillo@280: 			}
meillo@280: 		}
meillo@280: 		destroy_smtpbase(psb);
meillo@280: 		return ok;
meillo@280: 	}
meillo@280: 
meillo@280: 	if (!route->do_pipelining) {
meillo@280: 		psb->use_pipelining = FALSE;
meillo@280: 	}
meillo@280: 
meillo@280: 	foreach(msgout_list, msgout_node) {
meillo@280: 		msg_out *msgout = (msg_out *) (msgout_node->data);
meillo@280: 		gboolean flag, ok_msg = FALSE, ok_fail = FALSE;
meillo@280: 		message *msg = msgout->msg;
meillo@280: 
meillo@280: 		/* we may have to read the data at this point and remember if we did */
meillo@280: 		flag = (msg->data_list == NULL);
meillo@280: 		if (flag && !spool_read_data(msg)) {
meillo@280: 			logwrite(LOG_ALERT, "could not open data spool file %s\n", msg->uid);
meillo@280: 			break;
meillo@280: 		}
meillo@280: 
meillo@280: 		smtp_out_msg(psb, msg, msgout->return_path, msgout->rcpt_list, msgout->hdr_list);
meillo@280: 
meillo@280: 		ok_fail = delivery_failures(msg, msgout->rcpt_list, "while connected with %s, the server replied\n\t%s", host, psb->buffer);
meillo@280: 
meillo@280: 		if ((psb->error == smtp_eof) || (psb->error == smtp_timeout)) {
meillo@280: 			/* connection lost */
meillo@280: 			break;
meillo@280: 		} else if (psb->error != smtp_ok) {
meillo@280: 			if (g_list_next(msgout_node) && !smtp_out_rset(psb)) {
meillo@280: 				break;
meillo@280: 			}
meillo@280: 		}
meillo@280: 		ok_msg = (psb->error == smtp_ok);
meillo@280: 
meillo@280: 		if (flag) {
meillo@280: 			msg_free_data(msg);
meillo@280: 		}
meillo@280: 		if (ok_msg) {
meillo@280: 			ok = TRUE;
meillo@280: 		}
meillo@280: 		if (ok_msg || ok_fail) {
meillo@280: 			deliver_finish(msgout);
meillo@280: 		}
meillo@280: 	}
meillo@280: 	if (psb->error == smtp_ok || (psb->error == smtp_fail)
meillo@280: 	    || (psb->error == smtp_trylater) || (psb->error == smtp_syntax)) {
meillo@280: 		smtp_out_quit(psb);
meillo@280: 	}
meillo@280: 	destroy_smtpbase(psb);
meillo@10: 	return ok;
meillo@0: }
meillo@0: 
meillo@10: gboolean
meillo@10: deliver_msglist_host(connect_route * route, GList * msgout_list, gchar * host, GList * res_list)
meillo@0: {
meillo@0: 
meillo@311: 	if (route->pipe) {
meillo@311: 		DEBUG(5) debugf("with pipe\n");
meillo@10: 		return deliver_msglist_host_pipe(route, msgout_list, host, res_list);
meillo@10: 	} else {
meillo@311: 		DEBUG(5) debugf("with smtp\n");
meillo@10: 		return deliver_msglist_host_smtp(route, msgout_list, host, res_list);
meillo@10: 	}
meillo@0: }
meillo@0: 
meillo@0: /*
meillo@0:   delivers messages in msgout_list using route
meillo@0: */
meillo@10: gboolean
meillo@10: deliver_route_msgout_list(connect_route * route, GList * msgout_list)
meillo@0: {
meillo@10: 	gboolean ok = FALSE;
meillo@280: 	GList *mo_ph_list;
meillo@280: 	GList *mo_ph_node;
meillo@0: 
meillo@15: 	DEBUG(5) debugf("deliver_route_msgout_list entered, route->name = %s\n", route->name);
meillo@0: 
meillo@179: 	if (route->mail_host) {
meillo@179: 		/* this is easy... deliver everything to a smart host for relay */
meillo@280: 		return deliver_msglist_host(route, msgout_list, NULL, route->resolve_list);
meillo@280: 	}
meillo@280: 
meillo@280: 	/* this is not easy... */
meillo@280: 
meillo@280: 	mo_ph_list = route_msgout_list(route, msgout_list);
meillo@280: 	/* okay, now we have ordered our messages by the hosts. */
meillo@280: 	if (!mo_ph_list) {
meillo@280: 		return FALSE;
meillo@280: 	}
meillo@280: 
meillo@280: 	/* TODO: It would be nice to be able to fork for each host.
meillo@280: 	   We cannot do that yet because of complications with finishing the
meillo@280: 	   messages. Threads could be a solution because they use the same
meillo@280: 	   memory. But we are not thread safe yet...
meillo@280: 	 */
meillo@280: 	foreach(mo_ph_list, mo_ph_node) {
meillo@280: 		msgout_perhost *mo_ph = (msgout_perhost *) (mo_ph_node->data);
meillo@280: 		if (deliver_msglist_host(route, mo_ph->msgout_list, mo_ph->host, route->resolve_list)) {
meillo@10: 			ok = TRUE;
meillo@10: 		}
meillo@280: 		destroy_msgout_perhost(mo_ph);
meillo@10: 	}
meillo@280: 	g_list_free(mo_ph_list);
meillo@10: 	return ok;
meillo@0: }
meillo@0: 
meillo@0: /*
meillo@0:   calls route_prepare_msg()
meillo@15:   delivers messages in msg_list using route by calling deliver_route_msgout_list()
meillo@0: */
meillo@10: gboolean
meillo@10: deliver_route_msg_list(connect_route * route, GList * msgout_list)
meillo@0: {
meillo@10: 	GList *msgout_list_deliver = NULL;
meillo@10: 	GList *msgout_node;
meillo@10: 	gboolean ok = TRUE;
meillo@0: 
meillo@10: 	DEBUG(6) debugf("deliver_route_msg_list()\n");
meillo@0: 
meillo@10: 	foreach(msgout_list, msgout_node) {
meillo@10: 		msg_out *msgout = (msg_out *) (msgout_node->data);
meillo@10: 		msg_out *msgout_cloned = clone_msg_out(msgout);
meillo@10: 		GList *rcpt_list_non_delivered = NULL;
meillo@10: 		GList *rcpt_node;
meillo@0: 
meillo@280: 		/* we have to delete already delivered rcpt's because a
meillo@280: 		   previous route may have delivered to it */
meillo@10: 		foreach(msgout_cloned->rcpt_list, rcpt_node) {
meillo@10: 			address *rcpt = (address *) (rcpt_node->data);
meillo@280: 			/* failed addresses already have been bounced;
meillo@280: 			   there should be a better way to handle those. */
meillo@10: 			if (!addr_is_delivered(rcpt) && !addr_is_failed(rcpt)
meillo@280: 			    && !(rcpt->flags & ADDR_FLAG_LAST_ROUTE)) {
meillo@10: 				rcpt_list_non_delivered = g_list_append(rcpt_list_non_delivered, rcpt);
meillo@280: 			}
meillo@10: 		}
meillo@10: 		g_list_free(msgout_cloned->rcpt_list);
meillo@10: 		msgout_cloned->rcpt_list = rcpt_list_non_delivered;
meillo@0: 
meillo@280: 		if (!msgout_cloned->rcpt_list) {
meillo@280: 			destroy_msg_out(msgout_cloned);
meillo@280: 			continue;
meillo@280: 		}
meillo@0: 
meillo@315: 		/* filter by allowed return paths (= envelope sender) */
meillo@280: 		if (!route_is_allowed_mail_local(route, msgout->msg->return_path)
meillo@315: 		   || !route_is_allowed_return_path(route, msgout->msg->return_path)) {
meillo@280: 			destroy_msg_out(msgout_cloned);
meillo@280: 			continue;
meillo@280: 		}
meillo@0: 
meillo@315: 		/* filter by allowed rcpt addrs (= envelope rcpts) */
meillo@280: 		GList *rcpt_list_allowed = NULL, *rcpt_list_notallowed = NULL;
meillo@280: 		msg_rcptlist_route(route, msgout_cloned->rcpt_list, &rcpt_list_allowed, &rcpt_list_notallowed);
meillo@0: 
meillo@280: 		if (!rcpt_list_allowed) {
meillo@280: 			destroy_msg_out(msgout_cloned);
meillo@280: 			continue;
meillo@280: 		}
meillo@280: 		logwrite(LOG_NOTICE, "%s using '%s'\n", msgout->msg->uid, route->name);
meillo@10: 
meillo@280: 		g_list_free(msgout_cloned->rcpt_list);
meillo@280: 		msgout_cloned->rcpt_list = rcpt_list_allowed;
meillo@280: 
meillo@280: 		if (route->last_route) {
meillo@280: 			GList *rcpt_node;
meillo@280: 			foreach(msgout_cloned->rcpt_list, rcpt_node) {
meillo@280: 				address *rcpt = (address *) (rcpt_node->data);
meillo@280: 				rcpt->flags |= ADDR_FLAG_LAST_ROUTE;
meillo@280: 			}
meillo@280: 		}
meillo@280: 
meillo@280: 		route_prepare_msgout(route, msgout_cloned);
meillo@280: 		msgout_list_deliver = g_list_append(msgout_list_deliver, msgout_cloned);
meillo@10: 	}
meillo@10: 
meillo@280: 	if (msgout_list_deliver) {
meillo@280: 		if (deliver_route_msgout_list(route, msgout_list_deliver)) {
meillo@10: 			ok = TRUE;
meillo@280: 		}
meillo@10: 		destroy_msg_out_list(msgout_list_deliver);
meillo@10: 	}
meillo@10: 	return ok;
meillo@0: }
meillo@0: 
meillo@0: /* copy pointers of delivered addresses to the msg's non_rcpt_list,
meillo@0:    to make sure that they will not be delivered again.
meillo@0: */
meillo@10: void
meillo@10: update_non_rcpt_list(msg_out * msgout)
meillo@0: {
meillo@10: 	GList *rcpt_node;
meillo@10: 	message *msg = msgout->msg;
meillo@0: 
meillo@10: 	foreach(msgout->rcpt_list, rcpt_node) {
meillo@10: 		address *rcpt = (address *) (rcpt_node->data);
meillo@280: 		if (addr_is_delivered(rcpt) || addr_is_failed(rcpt)) {
meillo@10: 			msg->non_rcpt_list = g_list_append(msg->non_rcpt_list, rcpt);
meillo@280: 		}
meillo@10: 	}
meillo@0: }
meillo@0: 
meillo@280: /* after delivery attempts, we check if there are any rcpt addresses left in
meillo@280:    the message. If all addresses have been completed, the spool files will be
meillo@280:    deleted, otherwise the header spool will be written back. We never changed
meillo@280:    the data spool, so there is no need to write that back.
meillo@0: 
meillo@0:    returns TRUE if all went well.
meillo@0: */
meillo@10: gboolean
meillo@10: deliver_finish(msg_out * msgout)
meillo@0: {
meillo@10: 	GList *rcpt_node;
meillo@10: 	message *msg = msgout->msg;
meillo@10: 	gboolean finished = TRUE;
meillo@0: 
meillo@10: 	update_non_rcpt_list(msgout);
meillo@0: 
meillo@10: 	/* we NEVER made copies of the addresses, flags affecting addresses
meillo@10: 	   were always set on the original address structs */
meillo@10: 	foreach(msg->rcpt_list, rcpt_node) {
meillo@10: 		address *rcpt = (address *) (rcpt_node->data);
meillo@280: 		if (!addr_is_finished_children(rcpt)) {
meillo@10: 			finished = FALSE;
meillo@280: 		} else {
meillo@280: 			/* if ALL children have been delivered, mark parent as
meillo@280: 			   delivered. if there is one or more not delivered,
meillo@280: 			   it must have failed, we mark the parent as failed
meillo@280: 			   as well.
meillo@10: 			 */
meillo@10: 			if (addr_is_delivered_children(rcpt)) {
meillo@10: 				addr_mark_delivered(rcpt);
meillo@10: 			} else {
meillo@10: 				addr_mark_failed(rcpt);
meillo@10: 			}
meillo@10: 		}
meillo@10: 	}
meillo@10: 
meillo@280: 	if (finished) {
meillo@280: 		if (spool_delete_all(msg)) {
meillo@10: 			logwrite(LOG_NOTICE, "%s completed.\n", msg->uid);
meillo@280: 			return TRUE;
meillo@280: 		}
meillo@280: 		return FALSE;
meillo@10: 	}
meillo@280: 
meillo@280: 	/* one not delivered address was found */
meillo@280: 	if (!spool_write(msg, FALSE)) {
meillo@280: 		logwrite(LOG_ALERT, "could not write back spool header for %s\n", msg->uid);
meillo@280: 		return FALSE;
meillo@280: 	}
meillo@280: 
meillo@280: 	DEBUG(2) debugf("spool header for %s written back.\n", msg->uid);
meillo@280: 	return TRUE;
meillo@0: }
meillo@0: 
meillo@10: gboolean
meillo@10: deliver_finish_list(GList * msgout_list)
meillo@0: {
meillo@10: 	gboolean ok = TRUE;
meillo@10: 	GList *msgout_node;
meillo@10: 	foreach(msgout_list, msgout_node) {
meillo@10: 		msg_out *msgout = (msg_out *) (msgout_node->data);
meillo@280: 		if (!deliver_finish(msgout)) {
meillo@10: 			ok = FALSE;
meillo@280: 		}
meillo@0: 	}
meillo@10: 	return ok;
meillo@0: }
meillo@0: 
meillo@10: gboolean
meillo@10: deliver_msgout_list_online(GList * msgout_list)
meillo@10: {
meillo@10: 	GList *rf_list = NULL;
meillo@280: 	gchar *connect_name = NULL;
meillo@10: 	gboolean ok = FALSE;
meillo@0: 
meillo@310: 	connect_name = online_query();
meillo@280: 	if (!connect_name) {
meillo@280: 		return FALSE;
meillo@10: 	}
meillo@280: 
meillo@280: 	/* we are online! */
meillo@280: 	logwrite(LOG_NOTICE, "detected online configuration %s\n", connect_name);
meillo@280: 
meillo@280: 	rf_list = (GList *) table_find(conf.connect_routes, connect_name);
meillo@280: 	if (!rf_list) {
meillo@280: 		logwrite(LOG_ALERT, "route list with name '%s' not found.\n", connect_name);
meillo@280: 		return FALSE;
meillo@280: 	}
meillo@280: 
meillo@280: 	GList *route_list = read_route_list(rf_list, FALSE);
meillo@280: 	if (!route_list) {
meillo@280: 		logwrite(LOG_ALERT, "could not read route list '%s'\n", connect_name);
meillo@280: 		return FALSE;
meillo@280: 	}
meillo@280: 
meillo@280: 	GList *route_node;
meillo@280: 	foreach(route_list, route_node) {
meillo@280: 		connect_route *route = (connect_route *) (route_node->data);
meillo@280: 		/* TODO: ok gets overwritten */
meillo@280: 		ok = deliver_route_msg_list(route, msgout_list);
meillo@280: 	}
meillo@280: 	destroy_route_list(route_list);
meillo@10: 	return ok;
meillo@10: }
meillo@0: 
meillo@10: gboolean
meillo@10: deliver_msg_list(GList * msg_list, guint flags)
meillo@10: {
meillo@10: 	GList *msgout_list = create_msg_out_list(msg_list);
meillo@280: 	GList *local_msgout_list = NULL;
meillo@280: 	GList *localnet_msgout_list = NULL;
meillo@280: 	GList *other_msgout_list = NULL;
meillo@10: 	GList *msgout_node;
meillo@10: 	GList *alias_table = NULL;
meillo@10: 	gboolean ok = TRUE;
meillo@0: 
meillo@10: 	if (conf.alias_file) {
meillo@17: 		alias_table = table_read(conf.alias_file, ':');
meillo@10: 	}
meillo@0: 
meillo@10: 	/* sort messages for different deliveries */
meillo@10: 	foreach(msgout_list, msgout_node) {
meillo@10: 		msg_out *msgout = (msg_out *) (msgout_node->data);
meillo@10: 		GList *rcpt_list;
meillo@10: 		GList *local_rcpt_list = NULL;
meillo@10: 		GList *localnet_rcpt_list = NULL;
meillo@237: 		GList *other_rcpt_list = NULL;
meillo@0: 
meillo@114: 		if (!spool_lock(msgout->msg->uid)) {
meillo@114: 			DEBUG(5) debugf("spool_lock(%s) failed.\n", msgout->msg->uid);
meillo@10: 			continue;
meillo@114: 		}
meillo@114: 		DEBUG(5) debugf("spool_lock(%s)\n", msgout->msg->uid);
meillo@0: 
meillo@10: 		rcpt_list = g_list_copy(msgout->msg->rcpt_list);
meillo@10: 		if (conf.log_user) {
meillo@10: 			address *addr = create_address_qualified(conf.log_user, TRUE, conf.host_name);
meillo@280: 			if (addr) {
meillo@10: 				rcpt_list = g_list_prepend(rcpt_list, addr);
meillo@280: 			} else {
meillo@280: 				logwrite(LOG_ALERT, "invalid log_user address `%s', ignoring\n", conf.log_user);
meillo@280: 			}
meillo@10: 		}
meillo@10: 		if (alias_table) {
meillo@10: 			GList *aliased_rcpt_list;
meillo@10: 			aliased_rcpt_list = alias_expand(alias_table, rcpt_list, msgout->msg->non_rcpt_list);
meillo@10: 			g_list_free(rcpt_list);
meillo@10: 			rcpt_list = aliased_rcpt_list;
meillo@10: 		}
meillo@0: 
meillo@237: 		split_rcpts(rcpt_list, conf.local_nets, &local_rcpt_list, &localnet_rcpt_list, &other_rcpt_list);
meillo@237: 		g_list_free(rcpt_list);
meillo@237: 
meillo@10: 		/* local recipients */
meillo@237: 		if ((flags & DLVR_LOCAL) && local_rcpt_list) {
meillo@237: 			msg_out *local_msgout = clone_msg_out(msgout);
meillo@237: 			local_msgout->rcpt_list = local_rcpt_list;
meillo@237: 			local_msgout_list = g_list_append(local_msgout_list, local_msgout);
meillo@10: 		}
meillo@0: 
meillo@10: 		/* local net recipients */
meillo@237: 		if ((flags & DLVR_LAN) && localnet_rcpt_list) {
meillo@237: 			msg_out *localnet_msgout = clone_msg_out(msgout);
meillo@237: 			localnet_msgout->rcpt_list = localnet_rcpt_list;
meillo@237: 			localnet_msgout_list = g_list_append(localnet_msgout_list, localnet_msgout);
meillo@10: 		}
meillo@0: 
meillo@237: 		/* remote recipients (the rest), requires online delivery  */
meillo@237: 		if ((flags & DLVR_ONLINE) && other_rcpt_list) {
meillo@237: 			msg_out *other_msgout = clone_msg_out(msgout);
meillo@237: 			other_msgout->rcpt_list = other_rcpt_list;
meillo@237: 			other_msgout_list = g_list_append(other_msgout_list, other_msgout);
meillo@10: 		}
meillo@10: 	}
meillo@0: 
meillo@280: 	if (alias_table) {
meillo@10: 		destroy_table(alias_table);
meillo@280: 	}
meillo@0: 
meillo@10: 	/* actual delivery */
meillo@237: 
meillo@237: 	if (local_msgout_list) {
meillo@114: 		DEBUG(5) debugf("local_msgout_list\n");
meillo@10: 		foreach(local_msgout_list, msgout_node) {
meillo@10: 			msg_out *msgout = (msg_out *) (msgout_node->data);
meillo@280: 			if (!deliver_local(msgout)) {
meillo@10: 				ok = FALSE;
meillo@280: 			}
meillo@10: 		}
meillo@10: 		destroy_msg_out_list(local_msgout_list);
meillo@10: 	}
meillo@0: 
meillo@237: 	if (localnet_msgout_list) {
meillo@10: 		GList *route_list = NULL;
meillo@10: 		GList *route_node;
meillo@0: 
meillo@114: 		DEBUG(5) debugf("localnet_msgout_list\n");
meillo@280: 		if (conf.local_net_routes) {
meillo@10: 			route_list = read_route_list(conf.local_net_routes, TRUE);
meillo@280: 		} else {
meillo@10: 			route_list = g_list_append(NULL, create_local_route());
meillo@280: 		}
meillo@0: 
meillo@10: 		foreach(route_list, route_node) {
meillo@10: 			connect_route *route = (connect_route *) (route_node->data);
meillo@280: 			if (!deliver_route_msg_list(route, localnet_msgout_list)) {
meillo@10: 				ok = FALSE;
meillo@280: 			}
meillo@10: 		}
meillo@10: 		destroy_msg_out_list(localnet_msgout_list);
meillo@10: 		destroy_route_list(route_list);
meillo@10: 	}
meillo@10: 
meillo@237: 	if (other_msgout_list) {
meillo@114: 		DEBUG(5) debugf("other_msgout_list\n");
meillo@280: 		if (!deliver_msgout_list_online(other_msgout_list)) {
meillo@10: 			ok = FALSE;
meillo@280: 		}
meillo@10: 		destroy_msg_out_list(other_msgout_list);
meillo@10: 	}
meillo@10: 
meillo@10: 	foreach(msgout_list, msgout_node) {
meillo@10: 		msg_out *msgout = (msg_out *) (msgout_node->data);
meillo@114: 		if (spool_unlock(msgout->msg->uid)) {
meillo@114: 			DEBUG(5) debugf("spool_unlock(%s)\n", msgout->msg->uid);
meillo@114: 		} else {
meillo@114: 			DEBUG(5) debugf("spool_unlock(%s) failed.\n", msgout->msg->uid);
meillo@114: 		}
meillo@114: 
meillo@10: 	}
meillo@10: 
meillo@10: 	destroy_msg_out_list(msgout_list);
meillo@10: 
meillo@10: 	return ok;
meillo@0: }
meillo@0: 
meillo@0: /* This function searches in the list of rcpt addresses
meillo@0:    for local and 'local net' addresses. Remote addresses
meillo@0:    which are reachable only when online are treated specially
meillo@0:    in another function.
meillo@0: 
meillo@0:    deliver() is called when a message has just been received and should
meillo@0:    be delivered immediately.
meillo@0: */
meillo@10: gboolean
meillo@10: deliver(message * msg)
meillo@0: {
meillo@10: 	gboolean ok;
meillo@10: 	GList *msg_list = g_list_append(NULL, msg);
meillo@0: 
meillo@10: 	ok = deliver_msg_list(msg_list, DLVR_ALL);
meillo@10: 	g_list_free(msg_list);
meillo@0: 
meillo@10: 	return ok;
meillo@0: }