/*
names.c -- generate commonly used (file)names
Copyright (C) 1998-2005 Ivo Timmermans
- 2000-2013 Guus Sliepen <guus@tinc-vpn.org>
+ 2000-2018 Guus Sliepen <guus@tinc-vpn.org>
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 "system.h"
#include "logger.h"
+#include "names.h"
#include "xalloc.h"
char *netname = NULL;
+char *myname = NULL;
char *confdir = NULL; /* base configuration directory */
char *confbase = NULL; /* base configuration directory for this instance of tinc */
+bool confbase_given;
char *identname = NULL; /* program name for syslog */
char *unixsocketname = NULL; /* UNIX socket location */
char *logfilename = NULL; /* log file location */
/*
Set all files and paths according to netname
*/
-void make_names(void) {
+void make_names(bool daemon) {
#ifdef HAVE_MINGW
HKEY key;
char installdir[1024] = "";
- long len = sizeof installdir;
+ DWORD len = sizeof(installdir);
#endif
+ confbase_given = confbase;
- if(netname)
+ if(netname && confbase) {
+ logger(DEBUG_ALWAYS, LOG_INFO, "Both netname and configuration directory given, using the latter...");
+ }
+
+ free(identname);
+
+ if(netname) {
xasprintf(&identname, "tinc.%s", netname);
- else
+ } else {
identname = xstrdup("tinc");
+ }
#ifdef HAVE_MINGW
+
if(!RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\tinc", 0, KEY_READ, &key)) {
- if(!RegQueryValueEx(key, NULL, 0, 0, installdir, &len)) {
+ if(!RegQueryValueEx(key, NULL, 0, 0, (LPBYTE)installdir, &len)) {
confdir = xstrdup(installdir);
- if(!logfilename)
- xasprintf(&logfilename, "%s" SLASH "log" SLASH "%s.log", installdir, identname);
+
if(!confbase) {
- if(netname)
+ if(netname) {
xasprintf(&confbase, "%s" SLASH "%s", installdir, netname);
- else
+ } else {
xasprintf(&confbase, "%s", installdir);
+ }
+ }
+
+ if(!logfilename) {
+ xasprintf(&logfilename, "%s" SLASH "tinc.log", confbase);
}
- if(!pidfilename)
- xasprintf(&pidfilename, "%s" SLASH "pid", confbase);
}
+
RegCloseKey(key);
}
+
#endif
- if(!confdir)
+
+ if(!confdir) {
confdir = xstrdup(CONFDIR SLASH "tinc");
+ }
+
+ if(!confbase) {
+ if(netname) {
+ xasprintf(&confbase, CONFDIR SLASH "tinc" SLASH "%s", netname);
+ } else {
+ xasprintf(&confbase, CONFDIR SLASH "tinc");
+ }
+ }
- if(!logfilename)
- xasprintf(&logfilename, LOCALSTATEDIR SLASH "log" SLASH "%s.log", identname);
+#ifdef HAVE_MINGW
+ (void)daemon;
- if(!pidfilename)
- xasprintf(&pidfilename, LOCALSTATEDIR SLASH "run" SLASH "%s.pid", identname);
+ if(!logfilename) {
+ xasprintf(&logfilename, "%s" SLASH "log", confbase);
+ }
- if(!unixsocketname)
- xasprintf(&unixsocketname, LOCALSTATEDIR SLASH "run" SLASH "%s.socket", identname);
+ if(!pidfilename) {
+ xasprintf(&pidfilename, "%s" SLASH "pid", confbase);
+ }
- if(netname) {
- if(!confbase)
- xasprintf(&confbase, CONFDIR SLASH "tinc" SLASH "%s", netname);
- else
- logger(DEBUG_ALWAYS, LOG_INFO, "Both netname and configuration directory given, using the latter...");
+#else
+ bool fallback = false;
+
+ if(daemon) {
+ if(access(LOCALSTATEDIR, R_OK | W_OK | X_OK)) {
+ fallback = true;
+ }
} else {
- if(!confbase)
- xasprintf(&confbase, CONFDIR SLASH "tinc");
+ char fname[PATH_MAX];
+ snprintf(fname, sizeof(fname), LOCALSTATEDIR SLASH "run" SLASH "%s.pid", identname);
+
+ if(access(fname, R_OK)) {
+ snprintf(fname, sizeof(fname), "%s" SLASH "pid", confbase);
+
+ if(!access(fname, R_OK)) {
+ fallback = true;
+ }
+ }
+ }
+
+ if(!fallback) {
+ if(!logfilename) {
+ xasprintf(&logfilename, LOCALSTATEDIR SLASH "log" SLASH "%s.log", identname);
+ }
+
+ if(!pidfilename) {
+ xasprintf(&pidfilename, LOCALSTATEDIR SLASH "run" SLASH "%s.pid", identname);
+ }
+ } else {
+ if(!logfilename) {
+ xasprintf(&logfilename, "%s" SLASH "log", confbase);
+ }
+
+ if(!pidfilename) {
+ if(daemon) {
+ logger(DEBUG_ALWAYS, LOG_WARNING, "Could not access " LOCALSTATEDIR SLASH " (%s), storing pid and socket files in %s" SLASH, strerror(errno), confbase);
+ }
+
+ xasprintf(&pidfilename, "%s" SLASH "pid", confbase);
+ }
+ }
+
+#endif
+
+ if(!unixsocketname) {
+ size_t len = strlen(pidfilename);
+ unixsocketname = xmalloc(len + 8);
+ memcpy(unixsocketname, pidfilename, len);
+
+ if(len > 4 && !strcmp(pidfilename + len - 4, ".pid")) {
+ strncpy(unixsocketname + len - 4, ".socket", 8);
+ } else {
+ strncpy(unixsocketname + len, ".socket", 8);
+ }
}
}
free(logfilename);
free(confbase);
free(confdir);
+ free(myname);
+
+ identname = NULL;
+ netname = NULL;
+ unixsocketname = NULL;
+ pidfilename = NULL;
+ logfilename = NULL;
+ confbase = NULL;
+ confdir = NULL;
+ myname = NULL;
}