conf.c -- configuration code
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>
+ 2000-2012 Guus Sliepen <guus@tinc-vpn.org>
+ 2010-2011 Julien Muchembled <jm@jmuchemb.eu>
2000 Cris van Pelt
This program is free software; you can redistribute it and/or modify
#include "splay_tree.h"
#include "connection.h"
#include "conf.h"
+#include "list.h"
#include "logger.h"
#include "netutl.h" /* for str2address */
#include "protocol.h"
return true;
}
- logger(LOG_ERR, "\"yes\" or \"no\" expected for configuration variable %s in %s line %d",
+ logger(DEBUG_ALWAYS, LOG_ERR, "\"yes\" or \"no\" expected for configuration variable %s in %s line %d",
cfg->variable, cfg->file, cfg->line);
return false;
if(sscanf(cfg->value, "%d", result) == 1)
return true;
- logger(LOG_ERR, "Integer expected for configuration variable %s in %s line %d",
+ logger(DEBUG_ALWAYS, LOG_ERR, "Integer expected for configuration variable %s in %s line %d",
cfg->variable, cfg->file, cfg->line);
return false;
return true;
}
- logger(LOG_ERR, "Hostname or IP address expected for configuration variable %s in %s line %d",
+ logger(DEBUG_ALWAYS, LOG_ERR, "Hostname or IP address expected for configuration variable %s in %s line %d",
cfg->variable, cfg->file, cfg->line);
return false;
}
bool get_config_subnet(const config_t *cfg, subnet_t ** result) {
- subnet_t subnet = {0};
+ subnet_t subnet = {NULL};
if(!cfg)
return false;
if(!str2net(&subnet, cfg->value)) {
- logger(LOG_ERR, "Subnet expected for configuration variable %s in %s line %d",
+ logger(DEBUG_ALWAYS, LOG_ERR, "Subnet expected for configuration variable %s in %s line %d",
cfg->variable, cfg->file, cfg->line);
return false;
}
&& !maskcheck(&subnet.net.ipv4.address, subnet.net.ipv4.prefixlength, sizeof subnet.net.ipv4.address))
|| ((subnet.type == SUBNET_IPV6)
&& !maskcheck(&subnet.net.ipv6.address, subnet.net.ipv6.prefixlength, sizeof subnet.net.ipv6.address))) {
- logger(LOG_ERR, "Network address and prefix length do not match for configuration variable %s in %s line %d",
+ logger(DEBUG_ALWAYS, LOG_ERR, "Network address and prefix length do not match for configuration variable %s in %s line %d",
cfg->variable, cfg->file, cfg->line);
return false;
}
if(!*value) {
const char err[] = "No value for variable";
if (fname)
- logger(LOG_ERR, "%s `%s' on line %d while reading config file %s",
+ logger(DEBUG_ALWAYS, LOG_ERR, "%s `%s' on line %d while reading config file %s",
err, variable, lineno, fname);
else
- logger(LOG_ERR, "%s `%s' in command line option %d",
+ logger(DEBUG_ALWAYS, LOG_ERR, "%s `%s' in command line option %d",
err, variable, lineno);
return NULL;
}
fp = fopen(fname, "r");
if(!fp) {
- logger(LOG_ERR, "Cannot open config file %s: %s", fname, strerror(errno));
+ logger(DEBUG_ALWAYS, LOG_ERR, "Cannot open config file %s: %s", fname, strerror(errno));
return false;
}
}
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 *cfg = (config_t *)node->data;
- next = node->prev;
-
- if(!prefix && strchr(cfg->variable, '.'))
- continue;
+ 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;
+ } else {
+ if(strncmp(prefix, cfg->variable, prefix_len) ||
+ cfg->variable[prefix_len] != '.')
+ continue;
+ }
- if(prefix && (strncmp(prefix, cfg->variable, prefix_len) || cfg->variable[prefix_len] != '.'))
- continue;
+ 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, cfg);
- node->data = NULL;
- list_unlink_node(cmdline_conf, node);
+ config_add(config_tree, new);
}
}
-bool read_server_config() {
+bool read_server_config(void) {
char *fname;
bool x;
x = read_config_file(config_tree, fname);
if(!x) { /* System error: complain */
- logger(LOG_ERR, "Failed to read `%s': %s", fname, strerror(errno));
+ logger(DEBUG_ALWAYS, LOG_ERR, "Failed to read `%s': %s", fname, strerror(errno));
}
free(fname);
return x;
}
-bool disable_old_keys(FILE *f) {
- char buf[100];
- long pos;
- bool disabled = false;
-
- rewind(f);
- pos = ftell(f);
+bool append_config_file(const char *name, const char *key, const char *value) {
+ char *fname;
+ xasprintf(&fname, "%s/hosts/%s", confbase, name);
- if(pos < 0)
- return false;
+ FILE *fp = fopen(fname, "a");
- while(fgets(buf, sizeof buf, f)) {
- if(!strncmp(buf, "-----BEGIN RSA", 14)) {
- buf[11] = 'O';
- buf[12] = 'L';
- buf[13] = 'D';
- if(fseek(f, pos, SEEK_SET))
- break;
- if(fputs(buf, f) <= 0)
- break;
- disabled = true;
- }
- else if(!strncmp(buf, "-----END RSA", 12)) {
- buf[ 9] = 'O';
- buf[10] = 'L';
- buf[11] = 'D';
- if(fseek(f, pos, SEEK_SET))
- break;
- if(fputs(buf, f) <= 0)
- break;
- disabled = true;
- }
- pos = ftell(f);
- if(pos < 0)
- break;
+ 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);
}
- return disabled;
+
+ free(fname);
+
+ return fp;
}