Adding "conf.d" configuration dir support.

Any file matching the pattern /etc/tinc/$NETWORK/conf.d/$NAME.conf will be parsed after the tinc.conf file.

diff --git a/src/conf.c b/src/conf.c
index 0fc9d8f..e2b6442 100644 (file)
--- a/src/conf.c
+++ b/src/conf.c
@@ -378,6 +378,30 @@ bool read_server_config(void) {
        xasprintf(&fname, "%s/tinc.conf", confbase);
        x = read_config_file(config_tree, fname);
 
+       // We will try to read the conf files in the "conf.d" dir
+       if (x) {
+               char * dname;
+               xasprintf(&dname, "%s/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 ])) {
+                                       free(fname);
+                                       xasprintf(&fname, "%s/%s", dname, ep->d_name);
+                                       logger(LOG_DEBUG, "Reading conf file \"%s\"", fname);
+                                       x = read_config_file(config_tree, fname);
+                               }
+                       }
+                       closedir (dir);
+               }
+               free(dname);
+       }
+
        if(!x) {                                /* System error: complain */
                logger(LOG_ERR, "Failed to read `%s': %s", fname, strerror(errno));
        }