From 2c30da6c4aa7f7f117afcbc2b6c5e3eee71f83f9 Mon Sep 17 00:00:00 2001
From: marcel <marcel@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Date: Sun, 2 Mar 2014 00:47:47 +0000
Subject: [PATCH] Revive support for /etc/issue, lost due revision 81963.

Obtained from:	Juniper Networks, Inc.


git-svn-id: http://svn0.us-east.freebsd.org/base/head/contrib/telnet@262673 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
---
 telnetd/telnetd.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/telnetd/telnetd.c b/telnetd/telnetd.c
index 938f853..454a377 100644
--- a/telnetd/telnetd.c
+++ b/telnetd/telnetd.c
@@ -740,6 +740,10 @@ telnet(int f, int p, char *host)
 	char *HE;
 	char *HN;
 	char *IM;
+	char *IF;
+	char *if_buf;
+	int if_fd = -1;
+	struct stat statbuf;
 	int nfd;
 
 	/*
@@ -905,8 +909,13 @@ telnet(int f, int p, char *host)
 		HE = Getstr("he", &cp);
 		HN = Getstr("hn", &cp);
 		IM = Getstr("im", &cp);
+		IF = Getstr("if", &cp);
 		if (HN && *HN)
 			(void) strlcpy(host_name, HN, sizeof(host_name));
+		if (IF) {
+		    if_fd = open(IF, O_RDONLY, 000);
+		    IM = 0;
+		}
 		if (IM == 0)
 			IM = strdup("");
 	} else {
@@ -916,6 +925,16 @@ telnet(int f, int p, char *host)
 	edithost(HE, host_name);
 	if (hostinfo && *IM)
 		putf(IM, ptyibuf2);
+	if (IF && if_fd != -1) {
+	    if(fstat (if_fd, &statbuf)!=-1) {
+		if (statbuf.st_size > 0) {
+		    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);