UTMP: Only account for getty processes

This patch removes accounting for all processes to instead implement the
traditional SysV getty accounting.  (Telnet/SSH et al maintain their own
accounding for UTMP.)

TODO: WTMP support

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

exec.c

@@ -106,9 +106,6 @@ int run(char *cmd)
 		for (i = 1; i < NSIG; i++)
 			DFLSIG(sa, i, 0);
 
-		/* Set INIT_PROCESS UTMP entry */
-		utmp_set_init(ttyname(0), 0);
-
 		/* Always redirect stdio for run() */
 		fp = fopen("/dev/null", "w");
 		if (fp) {

service.c

@@ -152,7 +152,6 @@ static int service_start(svc_t *svc)
 	pid = fork();
 	if (pid == 0) {
 		int status;
-		char id[5];
 		char *home = NULL;
 #ifdef ENABLE_STATIC
 		int uid = 0; /* XXX: Fix better warning that dropprivs is disabled. */
@@ -161,10 +160,6 @@ static int service_start(svc_t *svc)
 #endif
 		char *args[MAX_NUM_SVC_ARGS];
 
-		/* Set INIT_PROCESS UTMP entry */
-		snprintf(id, sizeof(id), "%d", svc->job);
-		utmp_set_init(ttyname(0), id);
-
 		/* Set desired user */
 		if (uid >= 0) {
 			setuid(uid);
@@ -667,9 +662,6 @@ void service_monitor(pid_t lost)
 	svc_t *svc;
 	char pidfile[MAX_ARG_LEN];
 
-	/* Set DEAD_PROCESS UTMP entry */
-	utmp_set_dead(lost);
-
 	if (fexist(SYNC_SHUTDOWN) || lost <= 1)
 		return;
 

tty.c

@@ -31,6 +31,7 @@
 #include "conf.h"
 #include "helpers.h"
 #include "tty.h"
+#include "utmp-api.h"
 
 LIST_HEAD(, tty_node) tty_list = LIST_HEAD_INITIALIZER();
 
@@ -198,6 +199,9 @@ int tty_respawn(pid_t pid)
 	if (!entry)
 		return 0;
 
+	/* Set DEAD_PROCESS UTMP entry */
+	utmp_set_dead(pid);
+
 	/* Clear PID to be able to respawn it. */
 	entry->data.pid = 0;