X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnames.c;h=a640fe480d8558e51fe4d6f4eb3895e13f96c1d0;hp=a631ad97e7fcde60c0216e66d7324bf55952db72;hb=c2dc3784f127ef6db6e9960a4abecc1aab6f4e31;hpb=918067f117d5b9983a8f2273fd81983362a2ff88

diff --git a/src/names.c b/src/names.c
index a631ad97..a640fe48 100644
--- a/src/names.c
+++ b/src/names.c
@@ -1,7 +1,7 @@
 /*
     names.c -- generate commonly used (file)names
     Copyright (C) 1998-2005 Ivo Timmermans
-                  2000-2013 Guus Sliepen <guus@tinc-vpn.org>
+                  2000-2015 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
@@ -21,11 +21,13 @@
 #include "system.h"
 
 #include "logger.h"
+#include "names.h"
 #include "xalloc.h"
 
 char *netname = 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 */
@@ -35,12 +37,13 @@ char *program_name = NULL;
 /*
   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] = "";
 	DWORD len = sizeof installdir;
 #endif
+	confbase_given = confbase;
 
 	if(netname && confbase)
 		logger(DEBUG_ALWAYS, LOG_INFO, "Both netname and configuration directory given, using the latter...");
@@ -54,16 +57,14 @@ void make_names(void) {
 	if(!RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\tinc", 0, KEY_READ, &key)) {
 		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)
 					xasprintf(&confbase, "%s" SLASH "%s", installdir, netname);
 				else
 					xasprintf(&confbase, "%s", installdir);
 			}
-			if(!pidfilename)
-				xasprintf(&pidfilename, "%s" SLASH "pid", confbase);
+			if(!logfilename)
+				xasprintf(&logfilename, "%s" SLASH "tinc.log", confbase);
 		}
 		RegCloseKey(key);
 	}
@@ -71,27 +72,60 @@ void make_names(void) {
 	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");
+	}
+
+#ifdef HAVE_MINGW
 	if(!logfilename)
-		xasprintf(&logfilename, LOCALSTATEDIR SLASH "log" SLASH "%s.log", identname);
+		xasprintf(&logfilename, "%s" SLASH "log", confbase);
 
 	if(!pidfilename)
-		xasprintf(&pidfilename, LOCALSTATEDIR SLASH "run" SLASH "%s.pid", identname);
+		xasprintf(&pidfilename, "%s" SLASH "pid", confbase);
+#else
+	bool fallback = false;
+	if(daemon) {
+		if(access(LOCALSTATEDIR, R_OK | W_OK | X_OK))
+			fallback = true;
+	} else {
+		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) {
 		int len = strlen(pidfilename);
 		unixsocketname = xmalloc(len + 8);
-		strcpy(unixsocketname, pidfilename);
+		memcpy(unixsocketname, pidfilename, len);
 		if(len > 4 && !strcmp(pidfilename + len - 4, ".pid"))
-			strcpy(unixsocketname + len - 4, ".socket");
-		else
-			strcpy(unixsocketname + len, ".socket");
-	}
-
-	if(!confbase) {
-		if(netname)
-			xasprintf(&confbase, CONFDIR SLASH "tinc" SLASH "%s", netname);
+			strncpy(unixsocketname + len - 4, ".socket", 8);
 		else
-			xasprintf(&confbase, CONFDIR SLASH "tinc");
+			strncpy(unixsocketname + len, ".socket", 8);
 	}
 }