netkit-telnet: Fix build with hardening

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>
(cherry picked from commit 6b0fb999ac3bacb0e52b03b1198e2ead6ae95ec8)
Signed-off-by: Armin Kuster <akuster808@gmail.com>

2 files changed, 72 insertions, 5 deletions

diff --git a/meta-networking/recipes-netkit/netkit-telnet/files/0001-telnet-telnetd-Fix-print-format-strings.patch b/meta-networking/recipes-netkit/netkit-telnet/files/0001-telnet-telnetd-Fix-print-format-strings.patch
new file mode 100644
index 0000000000..f2f1b12e28
--- /dev/null
+++ b/meta-networking/recipes-netkit/netkit-telnet/files/0001-telnet-telnetd-Fix-print-format-strings.patch
@@ -0,0 +1,66 @@
+From 7a3095d1e9b7c73f9dca56250f433bcfc7cb660e Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Tue, 27 Jun 2017 10:15:34 -0700
+Subject: [PATCH] telnet/telnetd: Fix print format strings
+
+Fixes build with hardening flags
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ telnet/utilities.cc | 6 +++---
+ telnetd/utility.c   | 6 +++---
+ 2 files changed, 6 insertions(+), 6 deletions(-)
+
+diff --git a/telnet/utilities.cc b/telnet/utilities.cc
+index 66839ab..36f0731 100644
+--- a/telnet/utilities.cc
++++ b/telnet/utilities.cc
+@@ -583,17 +583,17 @@ void printsub(int direction, unsigned char *pointer, int length) {
+                        case ENV_VAR:
+                            if (pointer[1] == TELQUAL_SEND)
+                                goto def_case;
+-                           fprintf(NetTrace, "\" VAR " + noquote);
++                           fprintf(NetTrace, "%s", "\" VAR " + noquote);
+                            noquote = 2;
+                            break;
+ 
+                        case ENV_VALUE:
+-                           fprintf(NetTrace, "\" VALUE " + noquote);
++                           fprintf(NetTrace, "%s", "\" VALUE " + noquote);
+                            noquote = 2;
+                            break;
+ 
+                        case ENV_ESC:
+-                           fprintf(NetTrace, "\" ESC " + noquote);
++                           fprintf(NetTrace, "%s", "\" ESC " + noquote);
+                            noquote = 2;
+                            break;
+ 
+diff --git a/telnetd/utility.c b/telnetd/utility.c
+index 29b7da1..75314cb 100644
+--- a/telnetd/utility.c
++++ b/telnetd/utility.c
+@@ -909,17 +909,17 @@ printsub(char direction, unsigned char *pointer, int length)
+                        case ENV_VAR:
+                            if (pointer[1] == TELQUAL_SEND)
+                                goto def_case;
+-                           netoprintf("\" VAR " + noquote);
++                           netoprintf("%s", "\" VAR " + noquote);
+                            noquote = 2;
+                            break;
+ 
+                        case ENV_VALUE:
+-                           netoprintf("\" VALUE " + noquote);
++                           netoprintf("%s", "\" VALUE " + noquote);
+                            noquote = 2;
+                            break;
+ 
+                        case ENV_ESC:
+-                           netoprintf("\" ESC " + noquote);
++                           netoprintf("%s", "\" ESC " + noquote);
+                            noquote = 2;
+                            break;
+ 
+-- 
+2.13.2
+
diff --git a/meta-networking/recipes-netkit/netkit-telnet/netkit-telnet_0.17.bb b/meta-networking/recipes-netkit/netkit-telnet/netkit-telnet_0.17.bb
index 9438adc0f2..54a58c8a11 100644
--- a/meta-networking/recipes-netkit/netkit-telnet/netkit-telnet_0.17.bb
+++ b/meta-networking/recipes-netkit/netkit-telnet/netkit-telnet_0.17.bb
@@ -5,11 +5,12 @@ LICENSE = "BSD"
 LIC_FILES_CHKSUM = "file://telnet/telnet.cc;beginline=2;endline=3;md5=780868e7b566313e70cb701560ca95ef"
 
 SRC_URI = "ftp://ftp.uk.linux.org/pub/linux/Networking/netkit/${BP}.tar.gz \
-    file://To-aviod-buffer-overflow-in-telnet.patch \
-    file://Warning-fix-in-the-step-of-install.patch \
-    file://telnet-xinetd \
-    file://cross-compile.patch \
-"
+           file://To-aviod-buffer-overflow-in-telnet.patch \
+           file://Warning-fix-in-the-step-of-install.patch \
+           file://telnet-xinetd \
+           file://cross-compile.patch \
+           file://0001-telnet-telnetd-Fix-print-format-strings.patch \
+           "
 
 EXTRA_OEMAKE = "INSTALLROOT=${D} SBINDIR=${sbindir} DAEMONMODE=755 \
     MANMODE=644 MANDIR=${mandir}"