Add "UMask" parameter

trusteddomainproject/OpenARC#144

openarc/openarc-config.h

@@ -52,6 +52,7 @@ struct configdef arcf_config[] =
 	{ "Syslog",			CONFIG_TYPE_BOOLEAN,	FALSE },
 	{ "SyslogFacility",		CONFIG_TYPE_STRING,	FALSE },
 	{ "TemporaryDirectory",		CONFIG_TYPE_STRING,	FALSE },
+	{ "UMask",			CONFIG_TYPE_INTEGER,	FALSE },
 	{ "UserID",			CONFIG_TYPE_STRING,	FALSE },
 	{ NULL,				(u_int) -1,		FALSE }
 };

openarc/openarc.c

@@ -4415,6 +4415,8 @@ main(int argc, char **argv)
 			                  sizeof pidfile);
 		}
 
+		(void) config_get(cfg, "UMask", &filemask, sizeof filemask);
+
 		if (become == NULL)
 		{
 			(void) config_get(cfg, "Userid", &become,

openarc/openarc.conf.5.in

@@ -240,6 +240,17 @@ allowed in
 .I syslog.conf(5).
 The default is "mail".
 
+.TP
+.I UMask (integer)
+Requests a specific permissions mask to be used for file creation.
+This only applies to creation of the socket when
+.I Socket
+specifies a UNIX domain socket, and to the
+.I PidFile
+(if any).  See
+.I umask(2)
+for more information.
+
 .TP
 .I UserID (string)
 Attempts to become the specified userid before starting operations.

openarc/openarc.conf.sample

@@ -271,6 +271,15 @@ Syslog			Yes
 
 # TemporaryDirectory	/tmp
 
+##  UMask mask
+##  	default (none)
+##
+##  Change the process umask for file creation to the specified value.
+##  The system has its own default which will be used (usually 022).
+##  See the umask(2) man page for more information.
+
+# UMask			022
+
 ##  Userid userid
 ##  	default (none)
 ##