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In pam_init_ctx(), register a cleanup function that will kill the child

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process if a fatal error occurs.  Deregister it in pam_free_ctx().
This commit is contained in:
des 2002-07-17 17:44:02 +00:00
parent 398acd90da
commit 5aaa4a883f
1 changed files with 13 additions and 0 deletions
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13
crypto/openssh/auth2-pam-freebsd.c
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@ -154,6 +154,17 @@ pam_child(struct pam_ctxt *ctxt)
exit(0);
}
static void
pam_cleanup(void *ctxtp)
{
struct pam_ctxt *ctxt = ctxtp;
int status;
close(ctxt->pam_sock);
kill(ctxt->pam_pid, SIGHUP);
waitpid(ctxt->pam_pid, &status, 0);
}
static void *
pam_init_ctx(Authctxt *authctxt)
{
@ -190,6 +201,7 @@ pam_init_ctx(Authctxt *authctxt)
}
ctxt->pam_sock = socks[0];
close(socks[1]);
fatal_add_cleanup(pam_cleanup, ctxt);
return (ctxt);
}
@ -295,6 +307,7 @@ pam_free_ctx(void *ctxtp)
struct pam_ctxt *ctxt = ctxtp;
int status;
fatal_remove_cleanup(pam_cleanup, ctxt);
close(ctxt->pam_sock);
kill(ctxt->pam_pid, SIGHUP);
waitpid(ctxt->pam_pid, &status, 0);