/*
conf.c -- configuration code
- Copyright (C) 1998 Robert van der Meulen
+ Copyright (C) 1998 Robert van der Meulen
1998-2005 Ivo Timmermans
- 2000-2012 Guus Sliepen <guus@tinc-vpn.org>
+ 2000 Cris van Pelt
2010-2011 Julien Muchembled <jm@jmuchemb.eu>
- 2000 Cris van Pelt
+ 2000-2015 Guus Sliepen <guus@tinc-vpn.org>
+ 2013 Florent Clairambault <florent@clairambault.fr>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "conf.h"
#include "list.h"
#include "logger.h"
-#include "netutl.h" /* for str2address */
+#include "names.h"
+#include "netutl.h" /* for str2address */
#include "protocol.h"
-#include "utils.h" /* for cp */
+#include "utils.h" /* for cp */
#include "xalloc.h"
splay_tree_t *config_tree;
-int pinginterval = 0; /* seconds between pings */
-int pingtimeout = 0; /* seconds to wait for response */
-char *confbase = NULL; /* directory in which all config files are */
-char *netname = NULL; /* name of the vpn network */
-list_t *cmdline_conf = NULL; /* global/host configuration values given at the command line */
-
+int pinginterval = 0; /* seconds between pings */
+int pingtimeout = 0; /* seconds to wait for response */
+list_t *cmdline_conf = NULL; /* global/host configuration values given at the command line */
static int config_compare(const config_t *a, const config_t *b) {
int result;
}
config_t *new_config(void) {
- return xmalloc_and_zero(sizeof(config_t));
+ return xzalloc(sizeof(config_t));
}
void free_config(config_t *cfg) {
if(!newline)
return buf;
- *newline = '\0'; /* kill newline */
- if(newline > p && newline[-1] == '\r') /* and carriage return if necessary */
+ /* kill newline and carriage return if necessary */
+ *newline = '\0';
+ if(newline > p && newline[-1] == '\r')
newline[-1] = '\0';
return buf;
fp = fopen(fname, "r");
if(!fp) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Cannot open config file %s: %s", fname, strerror(errno));
+ logger(DEBUG_ALWAYS, LOG_DEBUG, "Cannot open config file %s: %s", fname, strerror(errno));
return false;
}
ignore = false;
continue;
}
-
+
if(!strncmp(line, "-----BEGIN", 10)) {
ignore = true;
continue;
}
void read_config_options(splay_tree_t *config_tree, const char *prefix) {
- list_node_t *node, *next;
size_t prefix_len = prefix ? strlen(prefix) : 0;
- for(node = cmdline_conf->tail; node; node = next) {
- config_t *orig_cfg, *cfg = (config_t *)node->data;
- next = node->prev;
+ for(const list_node_t *node = cmdline_conf->tail; node; node = node->prev) {
+ const config_t *cfg = node->data;
+ config_t *new;
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);
+
+ new = new_config();
+ if(prefix)
+ new->variable = xstrdup(cfg->variable + prefix_len + 1);
+ else
+ new->variable = xstrdup(cfg->variable);
+ new->value = xstrdup(cfg->value);
+ new->file = NULL;
+ new->line = cfg->line;
+
+ config_add(config_tree, new);
}
}
bool read_server_config(void) {
- char *fname;
+ char fname[PATH_MAX];
bool x;
read_config_options(config_tree, NULL);
- xasprintf(&fname, "%s/tinc.conf", confbase);
+ snprintf(fname, sizeof fname, "%s" SLASH "tinc.conf", confbase);
+ errno = 0;
x = read_config_file(config_tree, fname);
- if(!x) { /* System error: complain */
- logger(DEBUG_ALWAYS, LOG_ERR, "Failed to read `%s': %s", fname, strerror(errno));
+ // We will try to read the conf files in the "conf.d" dir
+ if (x) {
+ char dname[PATH_MAX];
+ snprintf(dname, sizeof dname, "%s" SLASH "conf.d", confbase);
+ DIR *dir = opendir (dname);
+ // If we can find this dir
+ if (dir) {
+ struct dirent *ep;
+ // We list all the files in it
+ while (x && (ep = readdir (dir))) {
+ size_t l = strlen(ep->d_name);
+ // And we try to read the ones that end with ".conf"
+ if (l > 5 && !strcmp(".conf", & ep->d_name[ l - 5 ])) {
+ snprintf(fname, sizeof fname, "%s" SLASH "%s", dname, ep->d_name);
+ x = read_config_file(config_tree, fname);
+ }
+ }
+ closedir (dir);
+ }
}
- free(fname);
+ if(!x && errno)
+ logger(DEBUG_ALWAYS, LOG_ERR, "Failed to read `%s': %s", fname, strerror(errno));
return x;
}
-bool read_connection_config(connection_t *c) {
- char *fname;
+bool read_host_config(splay_tree_t *config_tree, const char *name) {
+ char fname[PATH_MAX];
bool x;
- read_config_options(c->config_tree, c->name);
+ read_config_options(config_tree, name);
- xasprintf(&fname, "%s/hosts/%s", confbase, c->name);
- x = read_config_file(c->config_tree, fname);
- free(fname);
+ snprintf(fname, sizeof fname, "%s" SLASH "hosts" SLASH "%s", confbase, name);
+ x = read_config_file(config_tree, fname);
return x;
}
bool append_config_file(const char *name, const char *key, const char *value) {
- char *fname;
- xasprintf(&fname, "%s/hosts/%s", confbase, name);
+ char fname[PATH_MAX];
+ snprintf(fname, sizeof fname, "%s" SLASH "hosts" SLASH "%s", confbase, name);
FILE *fp = fopen(fname, "a");
if(!fp) {
- logger(DEBUG_ALWAYS, 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);
+ logger(DEBUG_ALWAYS, LOG_DEBUG, "Cannot open config file %s: %s", fname, strerror(errno));
+ return false;
}
-
- free(fname);
-
- return fp;
+ fprintf(fp, "\n# The following line was automatically added by tinc\n%s = %s\n", key, value);
+ fclose(fp);
+ return true;
}
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