meillo@0: /*  MasqMail
meillo@0:     Copyright (C) 1999-2001 Oliver Kurth
meillo@224:     Copyright (C) 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@13: #include <pwd.h>
meillo@13: #include <grp.h>
meillo@13: 
meillo@0: #include "masqmail.h"
meillo@0: 
meillo@0: masqmail_conf conf;
meillo@0: 
meillo@10: void
meillo@10: init_conf()
meillo@0: {
meillo@10: 	struct passwd *passwd;
meillo@10: 	struct group *group;
meillo@0: 
meillo@10: 	memset(&conf, 0, sizeof(masqmail_conf));
meillo@0: 
meillo@10: 	conf.orig_uid = getuid();
meillo@10: 	conf.orig_gid = getgid();
meillo@0: 
meillo@10: 	if ((passwd = getpwnam(DEF_MAIL_USER)))
meillo@10: 		conf.mail_uid = passwd->pw_uid;
meillo@10: 	else {
meillo@10: 		fprintf(stderr, "user %s not found! (terminating)\n", DEF_MAIL_USER);
meillo@10: 		exit(EXIT_FAILURE);
meillo@10: 	}
meillo@10: 	if ((group = getgrnam(DEF_MAIL_GROUP)))
meillo@10: 		conf.mail_gid = group->gr_gid;
meillo@10: 	else {
meillo@10: 		fprintf(stderr, "group %s not found! (terminating)\n", DEF_MAIL_GROUP);
meillo@10: 		exit(EXIT_FAILURE);
meillo@10: 	}
meillo@0: }
meillo@0: 
meillo@10: static gchar* true_strings[] = {
meillo@10: 	"yes", "on", "true", NULL
meillo@0: };
meillo@0: 
meillo@10: static gchar *false_strings[] = {
meillo@10: 	"no", "off", "false", NULL
meillo@0: };
meillo@0: 
meillo@10: static gboolean
meillo@10: parse_boolean(gchar * rval)
meillo@0: {
meillo@10: 	gchar **str;
meillo@0: 
meillo@10: 	DEBUG(6) fprintf(stderr, "parse_boolean: %s\n", rval);
meillo@0: 
meillo@10: 	str = true_strings;
meillo@10: 	while (*str) {
meillo@10: 		if (strncasecmp(*str, rval, strlen(*str)) == 0)
meillo@10: 			return TRUE;
meillo@10: 		str++;
meillo@10: 	}
meillo@0: 
meillo@10: 	str = false_strings;
meillo@10: 	while (*str) {
meillo@10: 		if (strncasecmp(*str, rval, strlen(*str)) == 0)
meillo@10: 			return FALSE;
meillo@10: 		str++;
meillo@10: 	}
meillo@0: 
meillo@10: 	fprintf(stderr, "cannot parse value '%s'\n", rval);
meillo@10: 	exit(EXIT_FAILURE);
meillo@0: }
meillo@0: 
meillo@0: /* make a list from each line in a file */
meillo@10: static GList*
meillo@10: parse_list_file(gchar * fname)
meillo@0: {
meillo@10: 	GList *list = NULL;
meillo@10: 	FILE *fptr;
meillo@0: 
meillo@28: 	if ((fptr = fopen(fname, "rt")) == NULL) {
meillo@10: 		logwrite(LOG_ALERT, "could not open %s for reading: %s\n", fname, strerror(errno));
meillo@10: 		exit(EXIT_FAILURE);
meillo@10: 	}
meillo@0: 
meillo@28: 	gchar buf[256];
meillo@28: 
meillo@28: 	while (!feof(fptr)) {
meillo@28: 		fgets(buf, 255, fptr);
meillo@28: 		if (buf[0] && (buf[0] != '#') && (buf[0] != '\n')) {
meillo@28: 			g_strchomp(buf);
meillo@114: 			DEBUG(6) fprintf(stderr,"parse_list_file: item = %s\n", buf);
meillo@28: 			list = g_list_append(list, g_strdup(buf));
meillo@28: 		}
meillo@28: 	}
meillo@28: 	fclose(fptr);
meillo@28: 
meillo@10: 	return list;
meillo@0: }
meillo@0: 
meillo@13: /* given a semicolon separated string, this function makes a GList out of it. */
meillo@10: GList*
meillo@10: parse_list(gchar * line, gboolean read_file)
meillo@0: {
meillo@10: 	GList *list = NULL;
meillo@10: 	gchar buf[256];
meillo@10: 	gchar *p, *q;
meillo@0: 
meillo@114: 	DEBUG(6) fprintf(stderr, "parsing list %s, file?:%d\n", line, read_file);
meillo@0: 
meillo@10: 	p = line;
meillo@14: 	while (*p != '\0') {
meillo@10: 		q = buf;
meillo@0: 
meillo@10: 		while (*p && (*p != ';') && (q < buf + 255))
meillo@10: 			*(q++) = *(p++);
meillo@14: 		*q = '\0';
meillo@0: 
meillo@10: 		if ((buf[0] == '/') && (read_file))
meillo@10: 			/* item is a filename, include its contents */
meillo@10: 			list = g_list_concat(list, parse_list_file(buf));
meillo@10: 		else
meillo@10: 			/* just a normal item */
meillo@10: 			list = g_list_append(list, g_strdup(buf));
meillo@0: 
meillo@114: 		DEBUG(6) fprintf(stderr, "item = %s\n", buf);
meillo@0: 
meillo@10: 		if (*p)
meillo@10: 			p++;
meillo@10: 	}
meillo@10: 	return list;
meillo@0: }
meillo@0: 
meillo@10: static GList*
meillo@10: parse_address_list(gchar * line, gboolean read_file)
meillo@0: {
meillo@10: 	GList *plain_list = parse_list(line, read_file);
meillo@10: 	GList *node;
meillo@10: 	GList *list = NULL;
meillo@0: 
meillo@10: 	foreach(plain_list, node) {
meillo@10: 		gchar *item = (gchar *) (node->data);
meillo@10: 		address *addr = create_address(item, TRUE);
meillo@10: 		if (addr)
meillo@10: 			list = g_list_append(list, addr);
meillo@10: 		g_free(item);
meillo@10: 	}
meillo@10: 	g_list_free(plain_list);
meillo@0: 
meillo@10: 	return list;
meillo@0: }
meillo@0: 
meillo@10: static GList*
meillo@10: parse_resolve_list(gchar * line)
meillo@0: {
meillo@10: 	GList *list;
meillo@10: 	GList *list_node;
meillo@10: 	GList *res_list = NULL;
meillo@0: 
meillo@10: 	list = parse_list(line, FALSE);
meillo@28: 	if (!list) {
meillo@28: 		return NULL;
meillo@28: 	}
meillo@28: 
meillo@28: 	foreach(list, list_node) {
meillo@28: 		gchar *item = (gchar *) (list_node->data);
meillo@28: 		if (strcmp(item, "byname") == 0) {
meillo@28: 			res_list = g_list_append(res_list, resolve_byname);
meillo@0: #ifdef ENABLE_RESOLVER
meillo@28: 		} else if (strcmp(item, "dns_a") == 0) {
meillo@28: 			res_list = g_list_append(res_list, resolve_dns_a);
meillo@28: 		} else if (strcmp(item, "dns_mx") == 0) {
meillo@28: 			res_list = g_list_append(res_list, resolve_dns_mx);
meillo@0: #endif
meillo@28: 		} else {
meillo@28: 			logwrite(LOG_ALERT, "unknown resolver %s\n", item);
meillo@28: 			exit(EXIT_FAILURE);
meillo@10: 		}
meillo@28: 		g_free(item);
meillo@10: 	}
meillo@28: 	g_list_free(list);
meillo@10: 	return res_list;
meillo@0: }
meillo@0: 
meillo@10: static interface*
meillo@10: parse_interface(gchar * line, gint def_port)
meillo@0: {
meillo@10: 	gchar buf[256];
meillo@10: 	gchar *p, *q;
meillo@10: 	interface *iface;
meillo@0: 
meillo@10: 	DEBUG(6) fprintf(stderr, "parse_interface: %s\n", line);
meillo@0: 
meillo@10: 	p = line;
meillo@10: 	q = buf;
meillo@14: 	while ((*p != '\0') && (*p != ':') && (q < buf + 255))
meillo@10: 		*(q++) = *(p++);
meillo@14: 	*q = '\0';
meillo@0: 
meillo@10: 	iface = g_malloc(sizeof(interface));
meillo@10: 	iface->address = g_strdup(buf);
meillo@0: 
meillo@10: 	if (*p) {
meillo@10: 		p++;
meillo@10: 		iface->port = atoi(p);
meillo@10: 	} else
meillo@10: 		iface->port = def_port;
meillo@114: 	DEBUG(6) fprintf(stderr,"rval=%s, address:port=%s:%i\n",line, iface->address, iface->port);
meillo@0: 
meillo@10: 	return iface;
meillo@0: }
meillo@0: 
meillo@10: #ifdef ENABLE_IDENT  /* so far used for that only */
meillo@10: static struct in_addr*
meillo@10: parse_network(gchar * line, gint def_port)
meillo@0: {
meillo@10: 	gchar buf[256];
meillo@10: 	gchar *p, *q;
meillo@10: 	struct in_addr addr, mask_addr, net_addr, *p_net_addr;
meillo@10: 	guint n;
meillo@0: 
meillo@10: 	DEBUG(6) fprintf(stderr, "parse_network: %s\n", line);
meillo@0: 
meillo@10: 	p = line;
meillo@10: 	q = buf;
meillo@14: 	while ((*p != '\0') && (*p != '/') && (q < buf + 255))
meillo@10: 		*(q++) = *(p++);
meillo@14: 	*q = '\0';
meillo@0: 
meillo@28: 	if ((addr.s_addr = inet_addr(buf)) == INADDR_NONE) {
meillo@10: 		fprintf(stderr, "'%s' is not a valid address (must be ip)\n", buf);
meillo@10: 		exit(EXIT_FAILURE);
meillo@10: 	}
meillo@10: 
meillo@28: 	if (*p) {
meillo@28: 		guint i;
meillo@28: 		p++;
meillo@28: 		i = atoi(p);
meillo@28: 		if ((i >= 0) && (i <= 32))
meillo@28: 			n = i ? ~((1 << (32 - i)) - 1) : 0;
meillo@28: 		else {
meillo@28: 			fprintf(stderr, "'%d' is not a valid net mask (must be >= 0 and <= 32)\n", i);
meillo@28: 			exit(EXIT_FAILURE);
meillo@28: 		}
meillo@28: 	} else
meillo@28: 		n = 0;
meillo@28: 
meillo@28: 	mask_addr.s_addr = htonl(n);
meillo@28: 	net_addr.s_addr = mask_addr.s_addr & addr.s_addr;
meillo@28: 
meillo@10: 	p_net_addr = g_malloc(sizeof(struct in_addr));
meillo@10: 	p_net_addr->s_addr = net_addr.s_addr;
meillo@10: 	return p_net_addr;
meillo@0: }
meillo@0: #endif
meillo@0: 
meillo@10: static gboolean
meillo@10: eat_comments(FILE * in)
meillo@0: {
meillo@10: 	gint c;
meillo@0: 
meillo@10: 	for (c = fgetc(in); (c == '#' || isspace(c)) && c != EOF;
meillo@10: 		 c = fgetc(in)) {
meillo@10: 		if (c == '#') {
meillo@10: 			gint c;
meillo@10: 			for (c = fgetc(in); (c != '\n') && (c != EOF); c = fgetc(in));
meillo@10: 		}
meillo@10: 	}
meillo@10: 	if (c == EOF)
meillo@10: 		return FALSE;
meillo@10: 	ungetc(c, in);
meillo@10: 	return TRUE;
meillo@0: }
meillo@0: 
meillo@0: /* after parsing, eat trailing character until LF */
meillo@10: static gboolean
meillo@10: eat_line_trailing(FILE * in)
meillo@0: {
meillo@10: 	gint c;
meillo@0: 
meillo@10: 	for (c = fgetc(in); c != EOF && c != '\n'; c = fgetc(in));
meillo@10: 	if (c == EOF)
meillo@10: 		return FALSE;
meillo@10: 	return TRUE;
meillo@0: }
meillo@0: 
meillo@10: static gboolean
meillo@10: eat_spaces(FILE * in)
meillo@0: {
meillo@10: 	gint c;
meillo@10: 
meillo@28: 	for (c = fgetc(in); c != EOF && isspace(c); c = fgetc(in)) {
meillo@28: 		/* empty */
meillo@28: 	}
meillo@10: 	if (c == EOF)
meillo@10: 		return FALSE;
meillo@10: 	ungetc(c, in);
meillo@10: 	return TRUE;
meillo@0: }
meillo@0: 
meillo@10: static gboolean
meillo@10: read_lval(FILE * in, gchar * buf, gint size)
meillo@0: {
meillo@10: 	gint c;
meillo@10: 	gchar *ptr = buf;
meillo@0: 
meillo@10: 	DEBUG(6) fprintf(stderr, "read_lval()\n");
meillo@0: 
meillo@10: 	if (!eat_spaces(in))
meillo@10: 		return FALSE;
meillo@0: 
meillo@10: 	c = fgetc(in);
meillo@10: 	DEBUG(6) fprintf(stderr, "read_lval() 2\n");
meillo@10: 	while ((isalnum(c) || c == '_' || c == '-' || c == '.')
meillo@10: 	       && (ptr < buf + size - 1)
meillo@10: 	       && (c != EOF)) {
meillo@10: 		*ptr = c;
meillo@10: 		ptr++;
meillo@10: 		c = fgetc(in);
meillo@10: 	}
meillo@14: 	*ptr = '\0';
meillo@10: 	ungetc(c, in);
meillo@0: 
meillo@10: 	if (c == EOF) {
meillo@10: 		fprintf(stderr, "unexpected EOF after %s\n", buf);
meillo@10: 		return FALSE;
meillo@10: 	} else if (ptr >= buf + size - 1) {
meillo@10: 		fprintf(stderr, "lval too long\n");
meillo@10: 	}
meillo@0: 
meillo@10: 	eat_spaces(in);
meillo@0: 
meillo@10: 	DEBUG(6) fprintf(stderr, "lval = %s\n", buf);
meillo@10: 
meillo@14: 	return buf[0] != '\0';
meillo@0: }
meillo@0: 
meillo@10: static gboolean
meillo@10: read_rval(FILE * in, gchar * buf, gint size)
meillo@0: {
meillo@10: 	gint c;
meillo@10: 	gchar *ptr = buf;
meillo@0: 
meillo@10: 	DEBUG(6) fprintf(stderr, "read_rval()\n");
meillo@0: 
meillo@10: 	if (!eat_spaces(in))
meillo@10: 		return FALSE;
meillo@10: 
meillo@10: 	c = fgetc(in);
meillo@10: 	if (c != '\"') {
meillo@115: 		while ((isalnum(c) || c == '_' || c == '-' || c == '.'
meillo@115: 		        || c == '/' || c == '@' || c == ';' || c == ':')
meillo@10: 		       && (ptr < buf + size - 1)
meillo@10: 		       && (c != EOF)) {
meillo@10: 			*ptr = c;
meillo@10: 			ptr++;
meillo@10: 			c = fgetc(in);
meillo@10: 		}
meillo@14: 		*ptr = '\0';
meillo@10: 		ungetc(c, in);
meillo@10: 	} else {
meillo@10: 		gboolean escape = FALSE;
meillo@10: 		c = fgetc(in);
meillo@10: 		while (((c != '\"') || escape) && (ptr < buf + size - 1)) {
meillo@13: 			if (c != '\n') {  /* ignore line breaks */
meillo@10: 				if ((c == '\\') && (!escape)) {
meillo@10: 					escape = TRUE;
meillo@10: 				} else {
meillo@10: 					*ptr = c;
meillo@10: 					ptr++;
meillo@10: 					escape = FALSE;
meillo@10: 				}
meillo@10: 			}
meillo@10: 			c = fgetc(in);
meillo@10: 		}
meillo@14: 		*ptr = '\0';
meillo@0: 	}
meillo@0: 
meillo@10: 	eat_line_trailing(in);
meillo@0: 
meillo@10: 	DEBUG(6) fprintf(stderr, "rval = %s\n", buf);
meillo@10: 
meillo@10: 	return TRUE;
meillo@0: }
meillo@0: 
meillo@10: static gboolean
meillo@10: read_statement(FILE * in, gchar * lval, gint lsize, gchar * rval, gint rsize)
meillo@0: {
meillo@10: 	gint c;
meillo@0: 
meillo@10: 	DEBUG(6) fprintf(stderr, "read_statement()\n");
meillo@0: 
meillo@10: 	/* eat comments and empty lines: */
meillo@10: 	if (!eat_comments(in))
meillo@10: 		return FALSE;
meillo@0: 
meillo@28: 	if (!read_lval(in, lval, lsize)) {
meillo@28: 		return FALSE;
meillo@28: 	}
meillo@28: 
meillo@114: 	DEBUG(6) fprintf(stderr, "  lval = %s\n", lval);
meillo@28: 	if ((c = fgetc(in) == '=')) {
meillo@28: 		if (read_rval(in, rval, rsize)) {
meillo@114: 			DEBUG(6) fprintf(stderr, "  rval = %s\n", rval);
meillo@28: 			return TRUE;
meillo@10: 		}
meillo@28: 	} else {
meillo@114: 		DEBUG(6) fprintf(stderr,"  '=' expected after %s, char was '%c'\n", lval, c);
meillo@28: 		fprintf(stderr, "'=' expected after %s, char was '%c'\n", lval, c);
meillo@10: 	}
meillo@10: 	return FALSE;
meillo@0: }
meillo@0: 
meillo@10: gboolean
meillo@10: read_conf(gchar * filename)
meillo@0: {
meillo@10: 	FILE *in;
meillo@0: 
meillo@10: 	conf.log_max_pri = 7;
meillo@10: 	conf.do_relay = TRUE;
meillo@10: 	conf.alias_local_cmp = strcmp;
meillo@10: 	conf.max_defer_time = 86400 * 4;  /* 4 days */
meillo@120: 	conf.max_msg_size = 0; /* no limit on msg size */
meillo@151: 	conf.spool_dir = SPOOL_DIR;
meillo@152: 	conf.mail_dir = "/var/mail";
meillo@206: 	/* we use 127.0.0.1 because `localhost' could be bound to some
meillo@206: 	   other IP address. This is unlikely but could be. Using
meillo@206: 	   127.0.0.1 is more safe. See mailing list for details */
meillo@206: 	conf.listen_addresses = g_list_append(NULL, parse_interface("127.0.0.1", 25));
meillo@0: 
meillo@28: 	if ((in = fopen(filename, "r")) == NULL) {
meillo@155: 		logwrite(LOG_ALERT, "could not open config file %s: %s\n", filename, strerror(errno));
meillo@28: 		return FALSE;
meillo@28: 	}
meillo@28: 
meillo@28: 	gchar lval[256], rval[2048];
meillo@28: 	while (read_statement(in, lval, 256, rval, 2048)) {
meillo@114: 		DEBUG(6) fprintf(stderr,"read_conf(): lval=%s\n", lval);
meillo@28: 		if (strcmp(lval, "debug_level") == 0)
meillo@28: 			conf.debug_level = atoi(rval);
meillo@28: 		else if (strcmp(lval, "run_as_user") == 0) {
meillo@28: 			if (!conf.run_as_user)  /* you should not be able to reset that flag */
meillo@28: 				conf.run_as_user = parse_boolean(rval);
meillo@28: 		} else if (strcmp(lval, "use_syslog") == 0)
meillo@28: 			conf.use_syslog = parse_boolean(rval);
meillo@28: 		else if (strcmp(lval, "mail_dir") == 0)
meillo@28: 			conf.mail_dir = g_strdup(rval);
meillo@28: 		else if (strcmp(lval, "lock_dir") == 0)
meillo@28: 			conf.lock_dir = g_strdup(rval);
meillo@28: 		else if (strcmp(lval, "spool_dir") == 0)
meillo@28: 			conf.spool_dir = g_strdup(rval);
meillo@28: 		else if (strcmp(lval, "log_dir") == 0)
meillo@28: 			conf.log_dir = g_strdup(rval);
meillo@28: 		else if (strcmp(lval, "host_name") == 0) {
meillo@28: 			if (rval[0] != '/')
meillo@28: 				conf.host_name = g_strdup(rval);
meillo@28: 			else {
meillo@28: 				char buf[256];
meillo@28: 				FILE *fptr = fopen(rval, "rt");
meillo@28: 				if (fptr) {
meillo@155: 					logwrite(LOG_ALERT, "could not open %s: %s\n", rval, strerror(errno));
meillo@28: 					return FALSE;
meillo@10: 				}
meillo@28: 				fgets(buf, 255, fptr);
meillo@28: 				g_strchomp(buf);
meillo@28: 				conf.host_name = g_strdup(buf);
meillo@28: 				fclose(fptr);
meillo@28: 			}
meillo@28: 		} else if (strcmp(lval, "local_hosts") == 0)
meillo@28: 			conf.local_hosts = parse_list(rval, FALSE);
meillo@28: 		else if (strcmp(lval, "local_addresses") == 0)
meillo@28: 			conf.local_addresses = parse_list(rval, TRUE);
meillo@28: 		else if (strcmp(lval, "not_local_addresses") == 0)
meillo@28: 			conf.not_local_addresses = parse_list(rval, TRUE);
meillo@28: 		else if (strcmp(lval, "local_nets") == 0)
meillo@28: 			conf.local_nets = parse_list(rval, FALSE);
meillo@28: 		else if (strcmp(lval, "do_save_envelope_to") == 0)
meillo@28: 			conf.do_save_envelope_to = parse_boolean(rval);
meillo@28: 		else if (strcmp(lval, "defer_all") == 0)
meillo@28: 			conf.defer_all = parse_boolean(rval);
meillo@28: 		else if (strcmp(lval, "do_relay") == 0)
meillo@28: 			conf.do_relay = parse_boolean(rval);
meillo@28: 		else if (strcmp(lval, "alias_file") == 0) {
meillo@28: 			conf.alias_file = g_strdup(rval);
meillo@28: 		} else if (strcmp(lval, "alias_local_caseless") == 0) {
meillo@28: 			conf.alias_local_cmp = parse_boolean(rval) ? strcasecmp : strcmp;
meillo@28: 		} else if (strcmp(lval, "mbox_default") == 0) {
meillo@28: 			conf.mbox_default = g_strdup(rval);
meillo@28: 		} else if (strcmp(lval, "mbox_users") == 0) {
meillo@28: 			conf.mbox_users = parse_list(rval, TRUE);
meillo@28: 		} else if (strcmp(lval, "mda_users") == 0) {
meillo@28: 			conf.mda_users = parse_list(rval, TRUE);
meillo@28: 		} else if (strcmp(lval, "mda") == 0) {
meillo@28: 			conf.mda = g_strdup(rval);
meillo@28: 		} else if (strcmp(lval, "mda_fromline") == 0) {
meillo@28: 			conf.mda_fromline = parse_boolean(rval);
meillo@28: 		} else if (strcmp(lval, "mda_fromhack") == 0) {
meillo@28: 			conf.mda_fromhack = parse_boolean(rval);
meillo@28: 		} else if (strcmp(lval, "pipe_fromline") == 0) {
meillo@28: 			conf.pipe_fromline = parse_boolean(rval);
meillo@28: 		} else if (strcmp(lval, "pipe_fromhack") == 0) {
meillo@28: 			conf.pipe_fromhack = parse_boolean(rval);
meillo@28: 		} else if (strcmp(lval, "listen_addresses") == 0) {
meillo@28: 			GList *node;
meillo@28: 			GList *tmp_list = parse_list(rval, FALSE);
meillo@0: 
meillo@28: 			conf.listen_addresses = NULL;
meillo@28: 			foreach(tmp_list, node) {
meillo@28: 				conf.listen_addresses = g_list_append(conf.listen_addresses, parse_interface((gchar *) (node-> data), 25));
meillo@28: 				g_free(node->data);
meillo@28: 			}
meillo@28: 			g_list_free(tmp_list);
meillo@28: 		} else if (strcmp(lval, "ident_trusted_nets") == 0) {
meillo@10: #ifdef ENABLE_IDENT
meillo@28: 			GList *node;
meillo@28: 			GList *tmp_list = parse_list(rval, FALSE);
meillo@0: 
meillo@28: 			conf.ident_trusted_nets = NULL;
meillo@28: 			foreach(tmp_list, node) {
meillo@28: 				conf.ident_trusted_nets = g_list_append(conf.ident_trusted_nets, parse_network((gchar *) (node->data), 25));
meillo@28: 				g_free(node->data);
meillo@28: 			}
meillo@28: 			g_list_free(tmp_list);
meillo@10: #else
meillo@155: 			logwrite(LOG_WARNING, "%s ignored: not compiled with ident support\n", lval);
meillo@10: #endif
meillo@28: 		} else if ((strncmp(lval, "connect_route.", 14) == 0)
meillo@28: 		           || (strncmp(lval, "online_routes.", 14) == 0)) {
meillo@28: 			GList *file_list = parse_list(rval, FALSE);
meillo@28: 			table_pair *pair = create_pair(&(lval[14]), file_list);
meillo@28: 			conf.connect_routes = g_list_append(conf.connect_routes, pair);
meillo@28: 		} else if (strcmp(lval, "local_net_route") == 0) {
meillo@28: 			conf.local_net_routes = parse_list(rval, FALSE);
meillo@28: 		} else if (strcmp(lval, "online_detect") == 0)
meillo@28: 			conf.online_detect = g_strdup(rval);
meillo@28: 		else if (strcmp(lval, "online_file") == 0)
meillo@28: 			conf.online_file = g_strdup(rval);
meillo@28: 		else if (strcmp(lval, "online_pipe") == 0)
meillo@28: 			conf.online_pipe = g_strdup(rval);
meillo@28: 		else if (strcmp(lval, "do_queue") == 0)
meillo@28: 			conf.do_queue = parse_boolean(rval);
meillo@192: 		else if (strcmp(lval, "errmsg_file") == 0)
meillo@28: 			conf.errmsg_file = g_strdup(rval);
meillo@28: 		else if (strcmp(lval, "warnmsg_file") == 0)
meillo@28: 			conf.warnmsg_file = g_strdup(rval);
meillo@28: 		else if (strcmp(lval, "warn_intervals") == 0)
meillo@28: 			conf.warn_intervals = parse_list(rval, FALSE);
meillo@28: 		else if (strcmp(lval, "max_defer_time") == 0) {
meillo@28: 			gint dummy;
meillo@28: 			gint ival = time_interval(rval, &dummy);
meillo@28: 			if (ival < 0)
meillo@155: 				logwrite(LOG_WARNING, "invalid time interval for 'max_defer_time': %s\n", rval);
meillo@28: 			else
meillo@28: 				conf.max_defer_time = ival;
meillo@28: 		} else if (strcmp(lval, "log_user") == 0)
meillo@28: 			conf.log_user = g_strdup(rval);
meillo@117: 		else if(strcmp(lval, "max_msg_size") == 0) {
meillo@117: 			conf.max_msg_size = atol(rval);
meillo@117: 			DEBUG(6) fprintf(stderr,"rval=%s, conf.max_msg_size=%ld\n",
meillo@117: 			                 rval, conf.max_msg_size);
meillo@117: 		}
meillo@28: 		else
meillo@155: 			logwrite(LOG_WARNING, "var '%s' not (yet) known, ignored\n", lval);
meillo@28: 	}
meillo@28: 	fclose(in);
meillo@0: 
meillo@156: 	if (!conf.host_name) {
meillo@156: 		logwrite(LOG_ALERT, "`host_name' MUST be set in masqmail.conf. See man page\n");
meillo@156: 		return FALSE;
meillo@156: 	}
meillo@156: 
meillo@28: 	if (conf.errmsg_file == NULL)
meillo@28: 		conf.errmsg_file = g_strdup(DATA_DIR "/tpl/failmsg.tpl");
meillo@28: 	if (conf.warnmsg_file == NULL)
meillo@28: 		conf.warnmsg_file = g_strdup(DATA_DIR "/tpl/warnmsg.tpl");
meillo@0: 
meillo@28: 	if (conf.lock_dir == NULL)
meillo@28: 		conf.lock_dir = g_strdup_printf("%s/lock/", conf.spool_dir);
meillo@0: 
meillo@28: 	if (conf.mbox_default == NULL)
meillo@28: 		conf.mbox_default = g_strdup("mbox");
meillo@0: 
meillo@28: 	if (conf.warn_intervals == NULL)
meillo@28: 		conf.warn_intervals = parse_list("1h;4h;8h;1d;2d;3d", FALSE);
meillo@0: 
meillo@157: 	if (!conf.local_hosts) {
meillo@157: 		char* shortname = strdup(conf.host_name);
meillo@157: 		char* p = strchr(shortname, '.');
meillo@157: 		if (p) {
meillo@157: 			*p = '\0';
meillo@157: 		}
meillo@157: 		/* we don't care if shortname and conf.host_name are the same */
meillo@157: 		char* local_hosts_str = g_strdup_printf("localhost;%s;%s", shortname, conf.host_name);
meillo@157: 		conf.local_hosts = parse_list(local_hosts_str, FALSE);
meillo@157: 		free(shortname);
meillo@157: 		free(local_hosts_str);
meillo@157: 	}
meillo@157: 
meillo@157: 
meillo@28: 	return TRUE;
meillo@0: }
meillo@0: 
meillo@10: connect_route*
meillo@10: read_route(gchar * filename, gboolean is_local_net)
meillo@0: {
meillo@10: 	gboolean ok = FALSE;
meillo@10: 	FILE *in;
meillo@0: 
meillo@10: 	connect_route *route = g_malloc(sizeof(connect_route));
meillo@10: 	memset(route, 0, sizeof(connect_route));
meillo@0: 
meillo@10: 	DEBUG(5) debugf("read_route, filename = %s\n", filename);
meillo@0: 
meillo@10: 	route->filename = g_strdup(filename);
meillo@10: 	route->name = g_strdup(filename);  /* quick hack */
meillo@0: 
meillo@10: 	route->protocol = g_strdup("smtp");
meillo@10: 	route->expand_h_sender_address = TRUE;
meillo@0: 
meillo@10: 	route->is_local_net = is_local_net;
meillo@0: 
meillo@10: 	route->do_pipelining = TRUE;
meillo@0: 
meillo@28: 	if ((in = fopen(route->filename, "r")) == NULL) {
meillo@28: 		logwrite(LOG_ALERT, "could not open route file %s: %s\n", route->filename, strerror(errno));
meillo@28: 		g_free(route);
meillo@28: 		return NULL;
meillo@28: 	}
meillo@0: 
meillo@28: 	gchar lval[256], rval[2048];
meillo@28: 	while (read_statement(in, lval, 256, rval, 2048)) {
meillo@28: 		if (strcmp(lval, "protocol") == 0)
meillo@28: 			route->protocol = g_strdup(rval);
meillo@28: 		else if (strcmp(lval, "mail_host") == 0)
meillo@178: 			route->mail_host = parse_interface(rval, 25);
meillo@28: 		else if (strcmp(lval, "helo_name") == 0)
meillo@28: 			route->helo_name = g_strdup(rval);
meillo@28: 		else if (strcmp(lval, "wrapper") == 0)
meillo@28: 			route->wrapper = g_strdup(rval);
meillo@28: 		else if (strcmp(lval, "connect_error_fail") == 0)
meillo@28: 			route->connect_error_fail = parse_boolean(rval);
meillo@28: 		else if (strcmp(lval, "do_correct_helo") == 0)
meillo@28: 			route->do_correct_helo = parse_boolean(rval);
meillo@222: 		else if (strcmp(lval, "instant_helo") == 0)
meillo@222: 			route->instant_helo = parse_boolean(rval);
meillo@28: 		else if (strcmp(lval, "do_pipelining") == 0)
meillo@28: 			route->do_pipelining = parse_boolean(rval);
meillo@28: 		else if (strcmp(lval, "allowed_return_paths") == 0)
meillo@28: 			route->allowed_return_paths = parse_address_list(rval, TRUE);
meillo@28: 		else if (strcmp(lval, "allowed_mail_locals") == 0)
meillo@28: 			route->allowed_mail_locals = parse_list(rval, TRUE);
meillo@28: 		else if (strcmp(lval, "not_allowed_return_paths") == 0)
meillo@28: 			route->not_allowed_return_paths = parse_address_list(rval, TRUE);
meillo@28: 		else if (strcmp(lval, "not_allowed_mail_locals") == 0)
meillo@28: 			route->not_allowed_mail_locals = parse_list(rval, TRUE);
meillo@28: 		else if (strcmp(lval, "allowed_rcpt_domains") == 0)
meillo@28: 			route->allowed_rcpt_domains = parse_list(rval, TRUE);
meillo@28: 		else if (strcmp(lval, "not_allowed_rcpt_domains") == 0)
meillo@28: 			route->not_allowed_rcpt_domains = parse_list(rval, TRUE);
meillo@28: 		else if (strcmp(lval, "set_h_from_domain") == 0)
meillo@28: 			route->set_h_from_domain = g_strdup(rval);
meillo@28: 		else if (strcmp(lval, "set_h_reply_to_domain") == 0)
meillo@28: 			route->set_h_reply_to_domain = g_strdup(rval);
meillo@28: 		else if (strcmp(lval, "set_return_path_domain") == 0)
meillo@28: 			route->set_return_path_domain = g_strdup(rval);
meillo@28: 		else if (strcmp(lval, "map_return_path_addresses") == 0) {
meillo@28: 			GList *node, *list;
meillo@10: 
meillo@28: 			list = parse_list(rval, TRUE);
meillo@28: 			foreach(list, node) {
meillo@28: 				gchar *item = (gchar *) (node->data);
meillo@28: 				table_pair *pair = parse_table_pair(item, ':');
meillo@28: 				address *addr = create_address((gchar *) (pair->value), TRUE);
meillo@28: 				g_free(pair->value);
meillo@28: 				pair->value = (gpointer *) addr;
meillo@28: 				route->map_return_path_addresses = g_list_append(route->map_return_path_addresses, pair);
meillo@28: 				g_free(item);
meillo@28: 			}
meillo@28: 			g_list_free(list);
meillo@28: 		} else if (strcmp(lval, "map_h_from_addresses") == 0) {
meillo@28: 			GList *list, *node;
meillo@10: 
meillo@28: 			list = parse_list(rval, TRUE);
meillo@28: 			foreach(list, node) {
meillo@28: 				gchar *item = (gchar *) (node->data);
meillo@28: 				table_pair *pair = parse_table_pair(item, ':');
meillo@28: 				route->map_h_from_addresses = g_list_append(route->map_h_from_addresses, pair);
meillo@28: 				g_free(item);
meillo@28: 			}
meillo@28: 			g_list_free(list);
meillo@28: 		} else if (strcmp(lval, "map_h_reply_to_addresses") == 0) {
meillo@28: 			GList *list, *node;
meillo@10: 
meillo@28: 			list = parse_list(rval, TRUE);
meillo@28: 			foreach(list, node) {
meillo@28: 				gchar *item = (gchar *) (node->data);
meillo@28: 				table_pair *pair = parse_table_pair(item, ':');
meillo@28: 				route->map_h_reply_to_addresses = g_list_append(route->map_h_reply_to_addresses, pair);
meillo@28: 				g_free(item);
meillo@10: 			}
meillo@28: 			g_list_free(list);
meillo@28: 		} else if (strcmp(lval, "map_h_mail_followup_to_addresses") == 0) {
meillo@28: 			GList *list, *node;
meillo@28: 
meillo@28: 			list = parse_list(rval, TRUE);
meillo@28: 			foreach(list, node) {
meillo@28: 				gchar *item = (gchar *) (node->data);
meillo@28: 				table_pair *pair = parse_table_pair(item, ':');
meillo@28: 				route->map_h_mail_followup_to_addresses = g_list_append(route->map_h_mail_followup_to_addresses, pair);
meillo@28: 				g_free(item);
meillo@28: 			}
meillo@28: 			g_list_free(list);
meillo@28: 		} else if (strcmp(lval, "expand_h_sender_domain") == 0) {
meillo@28: 			route->expand_h_sender_domain = parse_boolean(rval);
meillo@28: 		} else if (strcmp(lval, "expand_h_sender_address") == 0) {
meillo@28: 			route->expand_h_sender_address = parse_boolean(rval);
meillo@28: 		} else if (strcmp(lval, "resolve_list") == 0)
meillo@28: 			route->resolve_list = parse_resolve_list(rval);
meillo@28: 		else if (strcmp(lval, "do_ssl") == 0) {
meillo@28: 			/* we ignore this. This option is used by sqilconf */
meillo@28: 			;
meillo@28: 		}
meillo@10: #ifdef ENABLE_AUTH
meillo@28: 		else if (strcmp(lval, "auth_name") == 0) {
meillo@28: 			route->auth_name = g_strdup(rval);
meillo@28: 		} else if (strcmp(lval, "auth_login") == 0) {
meillo@28: 			route->auth_login = g_strdup(rval);
meillo@28: 		} else if (strcmp(lval, "auth_secret") == 0) {
meillo@28: 			route->auth_secret = g_strdup(rval);
meillo@28: 		}
meillo@10: #else
meillo@28: 		else if ((strcmp(lval, "auth_name") == 0)
meillo@28: 		         || (strcmp(lval, "auth_login") == 0)
meillo@28: 		         || (strcmp(lval, "auth_secret") == 0)) {
meillo@28: 			logwrite(LOG_WARNING, "%s ignored: not compiled with auth support.\n", lval);
meillo@28: 		}
meillo@10: #endif
meillo@190: 		else if (strcmp(lval, "pipe") == 0) {
meillo@28: 			route->pipe = g_strdup(rval);
meillo@28: 		} else if (strcmp(lval, "pipe_fromline") == 0) {
meillo@28: 			route->pipe_fromline = parse_boolean(rval);
meillo@28: 		} else if (strcmp(lval, "pipe_fromhack") == 0) {
meillo@28: 			route->pipe_fromhack = parse_boolean(rval);
meillo@28: 		} else if (strcmp(lval, "last_route") == 0) {
meillo@28: 			route->last_route = parse_boolean(rval);
meillo@28: 		} else
meillo@28: 			logwrite(LOG_WARNING, "var '%s' not (yet) known, ignored\n", lval);
meillo@28: 	}
meillo@28: 
meillo@28: 	if (route->resolve_list == NULL) {
meillo@28: 		if (is_local_net) {
meillo@28: 			route->resolve_list = g_list_append(NULL, resolve_byname);
meillo@28: 		} else {
meillo@28: #ifdef ENABLE_RESOLVER
meillo@28: 			route->resolve_list = g_list_append(route->resolve_list, resolve_dns_mx);
meillo@28: 			route->resolve_list = g_list_append(route->resolve_list, resolve_dns_a);
meillo@28: #endif
meillo@28: 			route->resolve_list = g_list_append(route->resolve_list, resolve_byname);
meillo@10: 		}
meillo@28: 	}
meillo@28: 	fclose(in);
meillo@28: 	ok = TRUE;
meillo@10: 
meillo@28: 	/* warn user about misconfigurations: */
meillo@28: 	if ((route->map_h_from_addresses != NULL) && (route->set_h_from_domain != NULL)) {
meillo@28: 		logwrite(LOG_WARNING, "'map_h_from_addresses' overrides 'set_h_from_domain'\n");
meillo@28: 		g_free(route->set_h_from_domain);
meillo@28: 		route->set_h_from_domain = NULL;
meillo@28: 	}
meillo@28: 	if ((route->map_h_reply_to_addresses != NULL) && (route->set_h_reply_to_domain != NULL)) {
meillo@28: 		logwrite(LOG_WARNING, "'map_h_reply_to_addresses' overrides 'set_h_reply_to_domain'\n");
meillo@28: 		g_free(route->set_h_reply_to_domain);
meillo@28: 		route->set_h_reply_to_domain = NULL;
meillo@10: 	}
meillo@10: 
meillo@10: 	if (!ok) {
meillo@10: 		g_free(route);
meillo@10: 		route = NULL;
meillo@10: 	}
meillo@10: 
meillo@10: 	return route;
meillo@10: }
meillo@10: 
meillo@10: static void
meillo@10: _g_list_free_all(GList * list)
meillo@10: {
meillo@10: 	GList *node;
meillo@10: 	if (list) {
meillo@10: 		foreach(list, node)
meillo@10: 			g_free(node->data);
meillo@10: 		g_list_free(list);
meillo@10: 	}
meillo@10: }
meillo@10: 
meillo@10: void
meillo@10: destroy_route(connect_route * r)
meillo@10: {
meillo@10: 	if (r->filename)
meillo@10: 		g_free(r->filename);
meillo@10: 	if (r->protocol)
meillo@10: 		g_free(r->protocol);
meillo@10: 	if (r->mail_host) {
meillo@10: 		g_free(r->mail_host->address);
meillo@10: 		g_free(r->mail_host);
meillo@10: 	}
meillo@10: 	if (r->wrapper)
meillo@10: 		g_free(r->wrapper);
meillo@10: 	if (r->helo_name)
meillo@10: 		g_free(r->helo_name);
meillo@10: 	_g_list_free_all(r->allowed_mail_locals);
meillo@10: 	_g_list_free_all(r->not_allowed_mail_locals);
meillo@10: 	_g_list_free_all(r->allowed_rcpt_domains);
meillo@10: 	_g_list_free_all(r->not_allowed_rcpt_domains);
meillo@10: 	if (r->set_h_from_domain)
meillo@10: 		g_free(r->set_h_from_domain);
meillo@10: 	if (r->set_h_reply_to_domain)
meillo@10: 		g_free(r->set_h_reply_to_domain);
meillo@10: 	if (r->set_return_path_domain)
meillo@10: 		g_free(r->set_return_path_domain);
meillo@10: 	if (r->map_h_reply_to_addresses)
meillo@10: 		destroy_table(r->map_h_reply_to_addresses);
meillo@10: 	if (r->resolve_list)
meillo@10: 		g_list_free(r->resolve_list);
meillo@10: #ifdef ENABLE_AUTH
meillo@10: 	if (r->auth_name)
meillo@10: 		g_free(r->auth_name);
meillo@10: 	if (r->auth_login)
meillo@10: 		g_free(r->auth_login);
meillo@10: 	if (r->auth_secret)
meillo@10: 		g_free(r->auth_secret);
meillo@10: #endif
meillo@10: 	if (r->pipe)
meillo@10: 		g_free(r->pipe);
meillo@10: 	g_free(r);
meillo@10: }
meillo@10: 
meillo@10: GList*
meillo@10: read_route_list(GList * rf_list, gboolean is_local_net)
meillo@10: {
meillo@10: 	GList *list = NULL;
meillo@10: 	GList *node;
meillo@10: 	uid_t saved_uid, saved_gid;
meillo@10: 
meillo@10: 	if (!conf.run_as_user) {
meillo@10: 		set_euidgid(0, 0, &saved_uid, &saved_gid);
meillo@10: 	}
meillo@10: 
meillo@10: 	foreach(rf_list, node) {
meillo@10: 		gchar *fname = (gchar *) (node->data);
meillo@10: 		connect_route *route = read_route(fname, is_local_net);
meillo@10: 		if (route)
meillo@10: 			list = g_list_append(list, route);
meillo@10: 		else
meillo@10: 			logwrite(LOG_ALERT, "could not read route configuration %s\n", fname);
meillo@10: 	}
meillo@10: 
meillo@10: 	/* set uid and gid back */
meillo@10: 	if (!conf.run_as_user) {
meillo@10: 		set_euidgid(saved_uid, saved_gid, NULL, NULL);
meillo@10: 	}
meillo@10: 
meillo@10: 	return list;
meillo@10: }
meillo@10: 
meillo@10: void
meillo@10: destroy_route_list(GList * list)
meillo@10: {
meillo@10: 	GList *node;
meillo@10: 
meillo@10: 	foreach(list, node) {
meillo@10: 		connect_route *route = (connect_route *) (node->data);
meillo@10: 		destroy_route(route);
meillo@0: 	}
meillo@0: 	g_list_free(list);
meillo@0: }
meillo@0: 
meillo@10: connect_route*
meillo@10: create_local_route()
meillo@0: {
meillo@10: 	connect_route *route;
meillo@0: 
meillo@10: 	route = g_malloc(sizeof(connect_route));
meillo@28: 	if (!route) {
meillo@28: 		return NULL;
meillo@10: 	}
meillo@28: 	memset(route, 0, sizeof(connect_route));
meillo@28: 	route->protocol = g_strdup("smtp");
meillo@28: 	route->is_local_net = TRUE;
meillo@28: 	route->name = g_strdup("local_net (default)");
meillo@28: 	route->expand_h_sender_address = TRUE;
meillo@28: 	route->resolve_list = g_list_append(NULL, resolve_byname);
meillo@28: 	route->connect_error_fail = TRUE;
meillo@10: 	return route;
meillo@0: }