Porting OpenSSH 2.9.9p2 to Dynix V4.4.4
Wendy Palm
wendyp at cray.com
Tue Oct 9 05:19:28 EST 2001
have you tried using LOGIN_NEEDS_UTMPX ?
Patrick Hess wrote:
>
> Hello Porters,
>
> I am attempting to compile OpenSSH 2.9.9p2 on a Dynix V4.4.4 host.
> I have set USE_PIPES and BROKEN_SAVED_UIDS (the latter because there are
> no functions for set{eu,eg}id() that I can find). I configured with
> "./configure '--with-libs=-lnsl -lsec'".
>
> Each time I attempt to login, I get this error:
>
> No utmp entry. You must exec "login" from the lowest level "sh".
>
> The Dynix man page for login (1) states:
>
> No utmp entry. You must exec "login" from the lowest level "sh"
> You attempted to execute login as a command without
> using the shell's exec internal command or from other
> than the initial shell.
>
> A "truss -aef" tells me that login is being execl'd like:
>
> 27066: execve("/bin/login", 0x080470FC, 0x0815F6CC) argc = 7
> 27066: argv: login -h <IP> -p -f -- phess
> 27066: envp: TZ=BST11 SSH_CLIENT=<IP> 1471 22 SSH_TTY=/dev/pts/31
> 27066: TERM=vt100
>
> Do you have any ideas what I can define in order to fix this problem?
>
> I also found what I believe might be a bug in uidswap.c at line 88. It
> used to look like:
>
> -----
> #ifndef SAVED_IDS_WORK_WITH_SETEUID
> /* Propagate the privileged gid to all of our gids. */
> if (setgid(getegid()) < 0)
> debug("setgid %u: %.100s", (u_int) getegid(), strerror(errno));
> /* Propagate the privileged uid to all of our uids. */
> if (setuid(geteuid()) < 0)
> debug("setuid %u: %.100s", (u_int) geteuid(), strerror(errno));
> #endif /* SAVED_IDS_WORK_WITH_SETEUID */
> if (setegid(pw->pw_gid) < 0)
> fatal("setegid %u: %.100s", (u_int) pw->pw_gid,
> strerror(errno));
> if (seteuid(pw->pw_uid) == -1)
> fatal("seteuid %u: %.100s", (u_int) pw->pw_uid,
> strerror(errno));
> -----
>
> It now looks like:
>
> -----
> #ifdef SAVED_IDS_WORK_WITH_SETEUID
> if (setegid(pw->pw_gid) < 0)
> fatal("setegid %u: %.100s", (u_int) pw->pw_gid,
> strerror(errno));
> if (seteuid(pw->pw_uid) == -1)
> fatal("seteuid %u: %.100s", (u_int) pw->pw_uid,
> strerror(errno));
> #else /* SAVED_IDS_WORK_WITH_SETEUID */
> /* Propagate the privileged gid to all of our gids. */
> if (setgid(getegid()) < 0)
> debug("setgid %u: %.100s", (u_int) getegid(), strerror(errno));
> /* Propagate the privileged uid to all of our uids. */
> if (setuid(geteuid()) < 0)
> debug("setuid %u: %.100s", (u_int) geteuid(), strerror(errno));
> #endif /* SAVED_IDS_WORK_WITH_SETEUID */
> -----
>
> Otherwise, I've made no changes.
>
> Thanks in advance.
>
> --
> Best regards,
> Patrick mailto:phess at best.com
--
wendy palm
Cray OS Sustaining Engineering, Cray Inc.
wendyp at cray.com, 651-605-9154
More information about the openssh-unix-dev
mailing list