ppp: Use openssl for the DES instead of the libcrypt / glibc

(From OE-Core rev: bdf443c8fce628a93f1ad5100dcaeb3c0f3a70ad)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-connectivity/ppp/ppp/ppp-2.4.7-DES-openssl.patch

@@ -0,0 +1,84 @@
+Used openssl for the DES instead of the libcrypt / glibc
+
+Upstream-Status: Pending
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+
+Index: ppp-2.4.7/pppd/Makefile.linux
+===================================================================
+--- ppp-2.4.7.orig/pppd/Makefile.linux
++++ ppp-2.4.7/pppd/Makefile.linux
+@@ -38,7 +38,7 @@ LIBS =
+ # Uncomment the next 2 lines to include support for Microsoft's
+ # MS-CHAP authentication protocol.  Also, edit plugins/radius/Makefile.linux.
+ CHAPMS=y
+-USE_CRYPT=y
++#USE_CRYPT=y
+ # Don't use MSLANMAN unless you really know what you're doing.
+ #MSLANMAN=y
+ # Uncomment the next line to include support for MPPE.  CHAPMS (above) must
+@@ -132,7 +132,7 @@ endif
+ 
+ ifdef NEEDDES
+ ifndef USE_CRYPT
+-LIBS     += -ldes $(LIBS)
++LIBS     += -lcrypto
+ else
+ CFLAGS   += -DUSE_CRYPT=1
+ endif
+Index: ppp-2.4.7/pppd/pppcrypt.c
+===================================================================
+--- ppp-2.4.7.orig/pppd/pppcrypt.c
++++ ppp-2.4.7/pppd/pppcrypt.c
+@@ -64,7 +64,7 @@ u_char *des_key;	/* OUT 64 bit DES key w
+ 	des_key[7] = Get7Bits(key, 49);
+ 
+ #ifndef USE_CRYPT
+-	des_set_odd_parity((des_cblock *)des_key);
++	DES_set_odd_parity((DES_cblock *)des_key);
+ #endif
+ }
+ 
+@@ -158,25 +158,25 @@ u_char *clear;	/* OUT 8 octets */
+ }
+ 
+ #else /* USE_CRYPT */
+-static des_key_schedule	key_schedule;
++static DES_key_schedule	key_schedule;
+ 
+ bool
+ DesSetkey(key)
+ u_char *key;
+ {
+-	des_cblock des_key;
++	DES_cblock des_key;
+ 	MakeKey(key, des_key);
+-	des_set_key(&des_key, key_schedule);
++	DES_set_key(&des_key, &key_schedule);
+ 	return (1);
+ }
+ 
+ bool
+-DesEncrypt(clear, key, cipher)
++DesEncrypt(clear, cipher)
+ u_char *clear;	/* IN  8 octets */
+ u_char *cipher;	/* OUT 8 octets */
+ {
+-	des_ecb_encrypt((des_cblock *)clear, (des_cblock *)cipher,
+-	    key_schedule, 1);
++	DES_ecb_encrypt((DES_cblock *)clear, (DES_cblock *)cipher,
++	    &key_schedule, 1);
+ 	return (1);
+ }
+ 
+@@ -185,8 +185,8 @@ DesDecrypt(cipher, clear)
+ u_char *cipher;	/* IN  8 octets */
+ u_char *clear;	/* OUT 8 octets */
+ {
+-	des_ecb_encrypt((des_cblock *)cipher, (des_cblock *)clear,
+-	    key_schedule, 0);
++	DES_ecb_encrypt((DES_cblock *)cipher, (DES_cblock *)clear,
++	    &key_schedule, 0);
+ 	return (1);
+ }
+ 

meta/recipes-connectivity/ppp/ppp_2.4.7.bb

@@ -4,7 +4,7 @@ the Point-to-Point Protocol (PPP) on Linux and Solaris systems."
 SECTION = "console/network"
 HOMEPAGE = "http://samba.org/ppp/"
 BUGTRACKER = "http://ppp.samba.org/cgi-bin/ppp-bugs"
-DEPENDS = "libpcap"
+DEPENDS = "libpcap openssl"
 LICENSE = "BSD & GPLv2+ & LGPLv2+ & PD"
 LIC_FILES_CHKSUM = "file://pppd/ccp.c;beginline=1;endline=29;md5=e2c43fe6e81ff77d87dc9c290a424dea \
                     file://pppd/plugins/passprompt.c;beginline=1;endline=10;md5=3bcbcdbf0e369c9a3e0b8c8275b065d8 \
@@ -32,6 +32,7 @@ SRC_URI = "https://download.samba.org/pub/${BPN}/${BP}.tar.gz \
            file://fix-CVE-2015-3310.patch \
            file://0001-pppoe-include-netinet-in.h-before-linux-in.h.patch \
            file://0001-ppp-Remove-unneeded-include.patch \
+           file://ppp-2.4.7-DES-openssl.patch \
 "
 
 SRC_URI_append_libc-musl = "\
@@ -49,7 +50,7 @@ EXTRA_OECONF = "--disable-strip"
 # Package Makefile computes CFLAGS, referencing COPTS.
 # Typically hard-coded to '-O2 -g' in the Makefile's.
 #
-EXTRA_OEMAKE += ' COPTS="${CFLAGS} -I${S}/include"'
+EXTRA_OEMAKE += ' COPTS="${CFLAGS} -I${STAGING_INCDIR}/openssl -I${S}/include"'
 
 do_configure () {
 	oe_runconf