Revert "Honour tty field in /etc/inittab"

[project/procd.git] / utils / askfirst.c

diff --git a/utils/askfirst.c b/utils/askfirst.c
index e1f757a..6ad77aa 100644 (file)
--- a/utils/askfirst.c
+++ b/utils/askfirst.c
@@ -19,10 +19,34 @@
 #include <unistd.h>
 #include <fcntl.h>
 
+static int redirect_output(const char *dev)
+{
+       pid_t p = setsid();
+       int fd;
+
+       chdir("/dev");
+       fd = open(dev, O_RDWR);
+       chdir("/");
+
+       if (fd < 0)
+               return -1;
+
+       dup2(fd, STDIN_FILENO);
+       dup2(fd, STDOUT_FILENO);
+       dup2(fd, STDERR_FILENO);
+       tcsetpgrp(fd, p);
+       close(fd);
+
+       return 0;
+}
+
 int main(int argc, char **argv)
 {
        int c;
 
+       if (redirect_output(argv[1]))
+               fprintf(stderr, "%s: Failed to open %s\n", argv[0], argv[1]);
+
        printf("Please press Enter to activate this console.\n");
        do {
                c = getchar();
@@ -31,8 +55,8 @@ int main(int argc, char **argv)
        }
        while (c != 0xA);
 
-       execvp(argv[1], &argv[1]);
-       printf("%s: Failed to execute %s\n", argv[0], argv[1]);
+       execvp(argv[2], &argv[2]);
+       printf("%s: Failed to execute %s\n", argv[0], argv[2]);
 
        return -1;
 }