Add tilde to allowed status/ping path

Because of user specific webdirs it should be possible to set a
status/ping path like "/~username/status".

Closes GH-4698.

Author: Drakano

sapi/fpm/fpm/fpm_conf.c

@@ -873,8 +873,8 @@ static int fpm_conf_process_all_pools() /* {{{ */
 			}
 
 			for (i = 0; i < strlen(status); i++) {
-				if (!isalnum(status[i]) && status[i] != '/' && status[i] != '-' && status[i] != '_' && status[i] != '.') {
-					zlog(ZLOG_ERROR, "[pool %s] the status path '%s' must contain only the following characters '[alphanum]/_-.'", wp->config->name, status);
+				if (!isalnum(status[i]) && status[i] != '/' && status[i] != '-' && status[i] != '_' && status[i] != '.' && status[i] != '~') {
+					zlog(ZLOG_ERROR, "[pool %s] the status path '%s' must contain only the following characters '[alphanum]/_-.~'", wp->config->name, status);
 					return -1;
 				}
 			}
@@ -896,8 +896,8 @@ static int fpm_conf_process_all_pools() /* {{{ */
 			}
 
 			for (i = 0; i < strlen(ping); i++) {
-				if (!isalnum(ping[i]) && ping[i] != '/' && ping[i] != '-' && ping[i] != '_' && ping[i] != '.') {
-					zlog(ZLOG_ERROR, "[pool %s] the ping path '%s' must containt only the following characters '[alphanum]/_-.'", wp->config->name, ping);
+				if (!isalnum(ping[i]) && ping[i] != '/' && ping[i] != '-' && ping[i] != '_' && ping[i] != '.' && ping[i] != '~') {
+					zlog(ZLOG_ERROR, "[pool %s] the ping path '%s' must containt only the following characters '[alphanum]/_-.~'", wp->config->name, ping);
 					return -1;
 				}
 			}