X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fconf.c;h=b9bfbf67ace863bc09d09d05f64ec6c2aa36bd14;hb=d917c8cb6b69475d568ccbe82389b9f2b3eb5e80;hp=f580a203d9275ce99e057deca263f4d1ea25ff29;hpb=86c2990327fdf7ec1197aa73cb2b9a926a734db4;p=tinc diff --git a/src/conf.c b/src/conf.c index f580a203..b9bfbf67 100644 --- a/src/conf.c +++ b/src/conf.c @@ -4,7 +4,7 @@ 1998-2005 Ivo Timmermans 2000-2012 Guus Sliepen 2010-2011 Julien Muchembled - 2000 Cris van Pelt + 2000 Cris van Pelt 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 @@ -28,18 +28,18 @@ #include "conf.h" #include "list.h" #include "logger.h" -#include "netutl.h" /* for str2address */ +#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 */ +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 */ static int config_compare(const config_t *a, const config_t *b) { @@ -236,8 +236,9 @@ static char *readline(FILE * fp, char *buf, size_t buflen) { 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; @@ -321,7 +322,7 @@ bool read_config_file(splay_tree_t *config_tree, const char *fname) { ignore = false; continue; } - + if(!strncmp(line, "-----BEGIN", 10)) { ignore = true; continue; @@ -339,33 +340,31 @@ bool read_config_file(splay_tree_t *config_tree, const char *fname) { } 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); } } @@ -375,26 +374,25 @@ bool read_server_config(void) { read_config_options(config_tree, NULL); - xasprintf(&fname, "%s/tinc.conf", confbase); + xasprintf(&fname, "%s" SLASH "tinc.conf", confbase); x = read_config_file(config_tree, fname); - if(!x) { /* System error: complain */ + if(!x) logger(DEBUG_ALWAYS, LOG_ERR, "Failed to read `%s': %s", fname, strerror(errno)); - } free(fname); return x; } -bool read_connection_config(connection_t *c) { +bool read_host_config(splay_tree_t *config_tree, const char *name) { char *fname; 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); + xasprintf(&fname, "%s" SLASH "hosts" SLASH "%s", confbase, name); + x = read_config_file(config_tree, fname); free(fname); return x; @@ -402,7 +400,7 @@ bool read_connection_config(connection_t *c) { bool append_config_file(const char *name, const char *key, const char *value) { char *fname; - xasprintf(&fname, "%s/hosts/%s", confbase, name); + xasprintf(&fname, "%s" SLASH "hosts" SLASH "%s", confbase, name); FILE *fp = fopen(fname, "a"); @@ -413,8 +411,7 @@ bool append_config_file(const char *name, const char *key, const char *value) { fclose(fp); } - free(fname); - return fp; + return fp != NULL; }