switch to _DEFAULT_SOURCE for modern glibc compat
[project/procd.git] / inittab.c
index 0d62708..623103d 100644 (file)
--- a/inittab.c
+++ b/inittab.c
@@ -14,6 +14,7 @@
 
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <sys/ioctl.h>
 
 #include <fcntl.h>
 #include <stdio.h>
@@ -37,7 +38,7 @@
 #define MAX_ARGS       8
 
 struct init_action;
-const char *console;
+char *console = NULL;
 
 struct init_handler {
        const char *name;
@@ -96,16 +97,21 @@ static void fork_worker(struct init_action *a)
 
        a->proc.pid = fork();
        if (!a->proc.pid) {
-               p = setsid( );
+               p = setsid();
+
                fd = dev_open(a->id);
                if (fd != -1)
                {
                        dup2(fd, STDIN_FILENO);
                        dup2(fd, STDOUT_FILENO);
                        dup2(fd, STDERR_FILENO);
-                       tcsetpgrp(fd, p);
-                       close(fd);
+                       if (fd > STDERR_FILENO)
+                               close(fd);
                }
+
+               ioctl(STDIN_FILENO, TIOCSCTTY, 1);
+               tcsetpgrp(STDIN_FILENO, p);
+
                execvp(a->argv[0], a->argv);
                ERROR("Failed to execute %s\n", a->argv[0]);
                exit(-1);
@@ -172,19 +178,27 @@ static void askconsole(struct init_action *a)
        int i;
 
        tty = get_cmdline_val("console", line, sizeof(line));
-       split = strchr(tty, ',');
-       if (split)
-               *split = '\0';
+       if (tty != NULL) {
+               split = strchr(tty, ',');
+               if (split != NULL)
+                       *split = '\0';
+
+               if (!dev_exist(tty)) {
+                       DEBUG(4, "skipping %s\n", tty);
+                       return;
+               }
 
-       if (!dev_exist(tty)) {
-               DEBUG(4, "skipping %s\n", tty);
-               return;
+               console = strdup(tty);
+               a->id = strdup(tty);
+       }
+       else {
+               console = NULL;
+               a->id = NULL;
        }
 
        a->tout.cb = respawn;
        for (i = MAX_ARGS - 1; i >= 1; i--)
                a->argv[i] = a->argv[i - 1];
-       a->id = strdup(tty);
        a->argv[0] = ask;
        a->respawn = 500;