X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fconf.c;h=0bbee092411df4366f543dc800913dcbaed63d43;hb=30ef2a981e1d62692b3a2363e0b3a0e8711d9604;hp=faff003b260807b258701aa656119eb25d882a3b;hpb=886a6f61a1f4cc48a77b42d10f34f9126377d904;p=tinc

diff --git a/src/conf.c b/src/conf.c
index faff003b..0bbee092 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -3,7 +3,7 @@
     Copyright (C) 1998 Robert van der Meulen
                   1998-2005 Ivo Timmermans
                   2000-2010 Guus Sliepen <guus@tinc-vpn.org>
-                  2010 Julien Muchembled <jm@jmuchemb.eu>
+                  2010-2011 Julien Muchembled <jm@jmuchemb.eu>
 		  2000 Cris van Pelt
 
     This program is free software; you can redistribute it and/or modify
@@ -26,6 +26,7 @@
 #include "splay_tree.h"
 #include "connection.h"
 #include "conf.h"
+#include "list.h"
 #include "logger.h"
 #include "netutl.h"				/* for str2address */
 #include "protocol.h"
@@ -188,7 +189,7 @@ bool get_config_address(const config_t *cfg, struct addrinfo **result) {
 }
 
 bool get_config_subnet(const config_t *cfg, subnet_t ** result) {
-	subnet_t subnet = {0};
+	subnet_t subnet = {NULL};
 
 	if(!cfg)
 		return false;
@@ -342,22 +343,33 @@ void read_config_options(splay_tree_t *config_tree, const char *prefix) {
 	size_t prefix_len = prefix ? strlen(prefix) : 0;
 
 	for(node = cmdline_conf->tail; node; node = next) {
-		config_t *cfg = (config_t *)node->data;
+		config_t *orig_cfg, *cfg = (config_t *)node->data;
 		next = node->prev;
 
-		if(!prefix && strchr(cfg->variable, '.'))
-			continue;
-
-		if(prefix && (strncmp(prefix, cfg->variable, prefix_len) || cfg->variable[prefix_len] != '.'))
-			continue;
-
+		if(!prefix) {
+			if(strchr(cfg->variable, '.'))
+				continue;
+			node->data = NULL;
+			list_unlink_node(cmdline_conf, node);
+		} else {
+			if(strncmp(prefix, cfg->variable, prefix_len) ||
+			   cfg->variable[prefix_len] != '.')
+				continue;
+			/* Because host configuration is parsed again when
+			   reconnecting, nodes must not be freed when a prefix
+			   is given. */
+			orig_cfg = cfg;
+			cfg = new_config();
+			cfg->variable = xstrdup(orig_cfg->variable + prefix_len + 1);
+			cfg->value = xstrdup(orig_cfg->value);
+			cfg->file = NULL;
+			cfg->line = orig_cfg->line;
+		}
 		config_add(config_tree, cfg);
-		node->data = NULL;
-		list_unlink_node(cmdline_conf, node);
 	}
 }
 
-bool read_server_config() {
+bool read_server_config(void) {
 	char *fname;
 	bool x;
 
@@ -388,6 +400,24 @@ bool read_connection_config(connection_t *c) {
 	return x;
 }
 
+bool append_connection_config(const connection_t *c, const char *key, const char *value) {
+	char *fname;
+	xasprintf(&fname, "%s/hosts/%s", confbase, c->name);
+
+	FILE *fp = fopen(fname, "a");
+
+	if(!fp) {
+		logger(LOG_ERR, "Cannot open config file %s: %s", fname, strerror(errno));
+	} else {
+		fprintf(fp, "\n# The following line was automatically added by tinc\n%s = %s\n", key, value);
+		fclose(fp);
+	}
+
+	free(fname);
+
+	return fp;
+}
+
 bool disable_old_keys(FILE *f) {
 	char buf[100];
 	long pos;