Setup diald, then you don't have to worry about starting up ppp. It
will do it anytime you try to access the net.
Chris
Lance Hoffmeyer wrote:
>
> IN trying to find out if there was a way to automatically login during
> boot or to login to different terminals at boot I ran across this
> program. Not being a C programmer I don't really understand what is
> happening in this program. It looks as if a password can be accepted as
> an argument but in the example there is no password mentioned
>
> dboot tty userid command
>
> Can this be used to auto login under numerous terminal under different
> user id's and passwords.
> i.e.
>
> dboot tty userid password command
>
> I usually keep three terminal open. One as root, one as user under a
> command shell and one as user under an X terminal. I use root because I
> haven't found out which files I need to give user rights to in order to
> PPP.
>
> /* dboot.c - program for inittab to execute and start processes.
> Arguments are:
> tty to use for console
> program to run (most likely login)
> [any program args]
>
> example:
>
> c1:respawn:/usr/local/bin/dboot tty1 login -f sysadmin
>
> will startup user 'sysadmin' on console 1
>
> By Dave Bennet, from Linux Journal Issue 33 January 1997
>
> o Modified by Jeremy Impson, to take one more argument, a uid that will
> be changed to. It is optional, assuming that the userid doesn't
> start with
> a '/', and assuming that the command does. July 10, 1997
>
> usage is now
> /* dboot.c - program for inittab to execute and start processes.
> Arguments are:
> tty to use for console
> program to run (most likely login)
> [any program args]
>
> example:
>
> c1:respawn:/usr/local/bin/dboot tty1 login -f sysadmin
>
> will startup user 'sysadmin' on console 1
>
> By Dave Bennet, from Linux Journal Issue 33 January 1997
>
> o Modified by Jeremy Impson, to take one more argument, a uid that will
> be changed to. It is optional, assuming that the userid doesn't
> start with
> a '/', and assuming that the command does. July 10, 1997
>
> usage is now
> dboot tty userid command
> -or-
> dboot tty command
>
> Also, added syslogging facility. Jul 10, 1997
>
> */
>
> #include <stdlib.h>
> #include <string.h>
> #include <sys/types.h>
> #include <sys/stat.h>
> #include <fcntl.h>
> #include <errno.h>
> #include <unistd.h>
> #include <pwd.h>
> #include <syslog.h>
>
> int main(int argc, char **argv)
> {
> char cdev[50];
> char buf[50];
> int fd, whicharg;
> pid_t pid;
> struct passwd *pw_ptr;
>
> openlog("dboot", LOG_PID, LOG_USER);
>
> if ( argv[2][0] == '/') {
> whicharg = 2;
> } else {
> whicharg = 3;
> }
>
> strcpy(cdev,"/dev/");
> strcat(cdev,argv[1]); /* console device */
> if (-1 == (fd = open(cdev, O_RDWR))) {
> syslog(LOG_ERR,"open failure\n");
> /* perror("open failure"); */
> exit(0);
> }
>
> close(0);
>
> if (-1 == (dup(fd))) {
> syslog(LOG_ERR,"dup 0 failure\n");
> /* perror("dup 0 failure"); */
> exit(0);
> }
>
> close(1);
>
> if (-1 == (dup(fd))) {
> syslog(LOG_ERR,"dup 1 failure\n");
> /* perror("dup 1 failure"); */
> exit(0);
> }
>
> close(2);
>
> if (-1 == (dup(fd))) {
> syslog(LOG_ERR,"dup 2 failure\n");
> /* perror("dup 2 failure"); */
> exit(0);
> }
>
> if (3 == whicharg) {
> if (NULL == (pw_ptr = getpwnam(argv[2]))) {
> syslog(LOG_ERR,"no pwent for %s\n",argv[2]);
> /* sprintf(buf,"no pwent for %s",argv[2]);
> perror(buf); */
> exit(0);
> }
>
> if (-1 == setuid(pw_ptr->pw_uid)) {
> syslog(LOG_ERR,"setuid failure\n");
> perror("setuid failure");
> exit(0);
> }
> }
>
> closelog();
>
> if (-1 == execvp(argv[whicharg], &argv[whicharg])) {
> syslog(LOG_ERR,"execvp failure\n");
> /* perror("execvp failure"); */
> exit(0);
> }
>
> } /* end of main */
>
> --
> Unsubscribe? mail -s unsubscribe [EMAIL PROTECTED] < /dev/null
