[1874] in Kerberos-V5-bugs
Re: K5B5 on AIX 4.1.4
daemon@ATHENA.MIT.EDU (Doug Engert)
Mon Apr 15 18:47:03 1996
Date: Mon, 15 Apr 1996 17:46:47 -0500
From: Doug Engert <DEEngert@anl.gov>
To: Sam Hartman <hartmans@MIT.EDU>
Cc: Doug Engert <DEEngert@anl.gov>, krb5-bugs@MIT.EDU
In-Reply-To: <tsllojxw5vj.fsf@tertius.mit.edu>
Sam,
I added the attached code to ss-960411 krlogind.c on the AIX 4.1.4 system,
and compiled with the -DDO_NOT_USE_K_LOGIN -DUSE_LOGIN_F
-DLOGIN_PROGRAM=\"/bin/login\"
It does not crash the system with this code.
On a previous make using the same source, I had forgotten to define the
-DLOGIN_PROGRAM=\"/bin/login\", so it used login.krb5 This crashed the
system.
So I am pretty sure there is a problem with the login.krb5.
These changes are not perfect, there is still a problem with
^C or ^D., and there were some strange characters on startup.
This may be a problem with the pty utilities, or some of the terminal
settings, or the TIOCKPT processing.
I can look at this in the morning.
Douglas E. Engert
Systems Programming
Argonne National Laboratory
9700 South Cass Avenue
Argonne, Illinois 60439
(708) 252-5444
Internet: DEEngert@anl.gov
*** ,krlogind.c Thu Apr 11 19:13:46 1996
--- krlogind.c Mon Apr 15 16:53:33 1996
***************
*** 639,644 ****
--- 639,646 ----
#if defined(POSIX_TERMIOS) && !defined(ultrix)
+
+ #ifdef DO_NOT_USE_K_LOGIN
tcgetattr(t,&new_termio);
new_termio.c_lflag &= ~(ICANON|ECHO|ISIG|IEXTEN);
/* so that login can read the authenticator */
***************
*** 648,653 ****
--- 650,656 ----
new_termio.c_cc[VMIN] = 1;
new_termio.c_cc[VTIME] = 0;
tcsetattr(t,TCSANOW,&new_termio);
+ #endif /* DO_NOT_USE_K_LOGIN */
#else
(void)ioctl(t, TIOCGETP, &b);
b.sg_flags = RAW|ANYP;
***************
*** 728,734 ****
--- 731,756 ----
#endif
#ifdef DO_NOT_USE_K_LOGIN
+ #ifdef USE_LOGIN_F
+ /* use the vendors login, which has -p and -f. Tested on
+ * AIX 4.1.4 and HPUX 10
+ */
+ {
+ char *cp;
+ if ((cp = strchr(term,'/')))
+ *cp = '\0';
+ setenv("TERM",term, 1);
+ }
+
+ if (passwd_req)
+ execl(login_program, "login", "-p", "-h", rhost_name,
+ lusername, 0);
+ else
+ execl(login_program, "login", "-p", "-h", rhost_name,
+ "-f", lusername, 0);
+ #else /* USE_LOGIN_F */
execl(login_program, "login", "-r", rhost_name, 0);
+ #endif /* USE_LOGIN_F */
#else
if (passwd_req)
execl(login_program, "login","-h", rhost_name, lusername, 0);
***************
*** 800,805 ****
--- 822,828 ----
(void) write(p, rusername, strlen(rusername) +1);
(void) write(p, lusername, strlen(lusername) +1);
#endif
+ #if defined(DO_NOT_USE_K_LOGIN) && defined(USE_LOGIN_F)
/* stuff term info down to login */
if( write(p, term, strlen(term)+1) != strlen(term)+1 ){
/*
***************
*** 808,813 ****
--- 831,837 ----
sprintf(buferror,"Cannot write slave pty %s ",line);
fatalperror(f,buferror);
}
+ #endif /* DO_NOT_USE_K_LOGIN && USE_LOGIN_F */
protocol(f, p);
signal(SIGCHLD, SIG_IGN);
cleanup();
