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107 lines
3.1 KiB
Diff
107 lines
3.1 KiB
Diff
From 3c7b86229f7bd2600d74db14b1fe5b3896be3875 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Jaroslav=20=C5=A0karvada?= <jskarvad@redhat.com>
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Date: Fri, 6 Apr 2018 14:27:18 +0200
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Subject: [PATCH] pppd: Use openssl for the DES instead of the libcrypt / glibc
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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[https://github.com/paulusmack/ppp/commit/3c7b86229f7bd2600d74db14b1fe5b3896be3875]
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It seems the latest glibc (in Fedora glibc-2.27.9000-12.fc29) dropped
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libcrypt. The libxcrypt standalone package can be used instead, but
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it dropped the old setkey/encrypt API which ppp uses for DES. There
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is support for using openssl in pppcrypt.c, but it contains typos
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preventing it from compiling and seems to be written for an ancient
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openssl version.
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This updates the code to use current openssl.
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[paulus@ozlabs.org - wrote the commit description, fixed comment in
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Makefile.linux.]
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Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com>
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Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
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---
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pppd/Makefile.linux | 7 ++++---
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pppd/pppcrypt.c | 18 +++++++++---------
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2 files changed, 13 insertions(+), 12 deletions(-)
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--- ppp-2.4.7.orig/pppd/Makefile.linux
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+++ ppp-2.4.7/pppd/Makefile.linux
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@@ -35,10 +35,10 @@ endif
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COPTS = -O2 -pipe -Wall -g
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LIBS = -lcrypto
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-# Uncomment the next 2 lines to include support for Microsoft's
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+# Uncomment the next line to include support for Microsoft's
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# MS-CHAP authentication protocol. Also, edit plugins/radius/Makefile.linux.
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CHAPMS=y
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-USE_CRYPT=y
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+#USE_CRYPT=y
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# Don't use MSLANMAN unless you really know what you're doing.
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#MSLANMAN=y
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# Uncomment the next line to include support for MPPE. CHAPMS (above) must
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@@ -142,7 +142,8 @@ endif
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ifdef NEEDDES
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ifndef USE_CRYPT
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-LIBS += -ldes $(LIBS)
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+CFLAGS += -I/usr/include/openssl
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+LIBS += -lcrypto
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else
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CFLAGS += -DUSE_CRYPT=1
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endif
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--- ppp-2.4.7.orig/pppd/pppcrypt.c
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+++ ppp-2.4.7/pppd/pppcrypt.c
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@@ -64,7 +64,7 @@ u_char *des_key; /* OUT 64 bit DES key w
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des_key[7] = Get7Bits(key, 49);
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#ifndef USE_CRYPT
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- des_set_odd_parity((des_cblock *)des_key);
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+ DES_set_odd_parity((DES_cblock *)des_key);
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#endif
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}
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@@ -158,25 +158,25 @@ u_char *clear; /* OUT 8 octets */
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}
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#else /* USE_CRYPT */
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-static des_key_schedule key_schedule;
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+static DES_key_schedule key_schedule;
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bool
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DesSetkey(key)
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u_char *key;
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{
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- des_cblock des_key;
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+ DES_cblock des_key;
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MakeKey(key, des_key);
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- des_set_key(&des_key, key_schedule);
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+ DES_set_key(&des_key, &key_schedule);
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return (1);
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}
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bool
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-DesEncrypt(clear, key, cipher)
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+DesEncrypt(clear, cipher)
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u_char *clear; /* IN 8 octets */
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u_char *cipher; /* OUT 8 octets */
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{
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- des_ecb_encrypt((des_cblock *)clear, (des_cblock *)cipher,
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- key_schedule, 1);
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+ DES_ecb_encrypt((DES_cblock *)clear, (DES_cblock *)cipher,
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+ &key_schedule, 1);
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return (1);
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}
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@@ -185,8 +185,8 @@ DesDecrypt(cipher, clear)
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u_char *cipher; /* IN 8 octets */
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u_char *clear; /* OUT 8 octets */
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{
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- des_ecb_encrypt((des_cblock *)cipher, (des_cblock *)clear,
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- key_schedule, 0);
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+ DES_ecb_encrypt((DES_cblock *)cipher, (DES_cblock *)clear,
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+ &key_schedule, 0);
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return (1);
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}
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