Date: Mon, 20 Apr 1998 15:14:29 -0400 (EDT) From: init@risen.org To: FreeBSD-gnats-submit@FreeBSD.ORG Subject: bin/6365: Patch to allow telnetd to recognize if gettytab flag Message-ID: <199804201914.PAA11230@easton-15.student.umd.edu>
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>Number: 6365
>Category: bin
>Synopsis: Patch to allow telnetd to recognize if gettytab flag
>Confidential: yes
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Mon Apr 20 12:20:01 PDT 1998
>Last-Modified:
>Originator: Jason Garman <init@risen.org>
>Organization:
>Release: FreeBSD 2.2.5-RELEASE i386
>Environment:
>Description:
telnetd does not recognize the if (display file before login) gettytab
flag.
>How-To-Repeat:
add an if=<filename> entry to the gettytab database and telnet into your
machine. It is ignored.
>Fix:
Patch for 2.2.5 telnetd follows:
--- telnetd.c.old Mon Apr 20 14:47:38 1998
+++ telnetd.c Mon Apr 20 15:02:49 1998
@@ -60,6 +60,8 @@
#include <err.h>
#include <arpa/inet.h>
+#include <sys/mman.h>
+
#if defined(_SC_CRAY_SECURE_SYS)
#include <sys/sysv.h>
#include <sys/secdev.h>
@@ -892,6 +894,11 @@
char *HE;
char *HN;
char *IM;
+ char *IF;
+ char *if_buf;
+ int if_fd;
+ struct stat statbuf;
+
void netflush();
/*
@@ -1090,8 +1097,11 @@
HE = getstr("he", &cp);
HN = getstr("hn", &cp);
IM = getstr("im", &cp);
+ IF = getstr("if", &cp);
if (HN && *HN)
(void) strcpy(host_name, HN);
+ if (IF && (if_fd = open(IF, O_RDONLY, 000)) != -1)
+ IM = 0;
if (IM == 0)
IM = "";
} else {
@@ -1101,7 +1111,14 @@
edithost(HE, host_name);
if (hostinfo && *IM)
putf(IM, ptyibuf2);
-
+ else if (IF && if_fd != -1) {
+ fstat (if_fd, &statbuf);
+ if_buf = (char *) mmap (0, statbuf.st_size, PROT_READ, 0, if_fd, 0);
+ putf(if_buf, ptyibuf2);
+ munmap (if_buf, statbuf.st_size);
+ close (if_fd);
+ }
+
if (pcc)
(void) strncat(ptyibuf2, ptyip, pcc+1);
ptyip = ptyibuf2;
>Audit-Trail:
>Unformatted:
no
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