From: Brendan O'Dea Date: Wed, 10 Aug 2005 07:25:23 +0000 (+0000) Subject: re-instate local md5.[ch] due to issues with linking openssl to GPL code X-Git-Tag: 2.2.1-2fdn3.1~19^2^2~1^2~139 X-Git-Url: http://git.sameswireless.fr/l2tpns.git/commitdiff_plain/0280d21184ee48e3b8673b5542cae20d32748632?hp=a5cdf43cb31767c43d18755b5ec10922124a035a re-instate local md5.[ch] due to issues with linking openssl to GPL code --- diff --git a/Changes b/Changes index 37ccf82..2d79dc2 100644 --- a/Changes +++ b/Changes @@ -1,12 +1,12 @@ -* Tue Aug 2 2005 Brendan O'Dea 2.1.2 +* Wed Aug 10 2005 Brendan O'Dea 2.1.2 - Clear cluster_master on election so that slaves will accept a new master. - Provide more comments/defaults in etc/startup-config.default. - Add DAE support (PoD/CoA) from Vladislav Bjelic. - Clean up new warnings from gcc 4.0. - Replace flags used for LCP/IPCP with state machine. -- Use openssl MD5, fix DAE vector (Alex Kiernan). - Include Acct-Session-Time in interim records. -- Fix generateload (Alex Kiernan). +- Fix DAE vector, generateload (Alex Kiernan). +- Replace RSA MD5 with public domain version. * Tue Jun 14 2005 Brendan O'Dea 2.1.1 - Add missing newline to backtrace macro. diff --git a/Makefile b/Makefile index de2755f..3a61b5b 100644 --- a/Makefile +++ b/Makefile @@ -26,7 +26,7 @@ INSTALL = install -c -D -o root -g root l2tpns.LIBS = -lcrypto -lm -lcli -ldl OBJS = arp.o cli.o cluster.o constants.o control.o icmp.o l2tpns.o \ - ll.o ppp.o radius.o tbf.o util.o + ll.o md5.o ppp.o radius.o tbf.o util.o PROGRAMS = l2tpns nsctl PLUGINS = autosnoop.so autothrottle.so garden.so sessionctl.so \ @@ -114,14 +114,15 @@ cluster.o: cluster.c l2tpns.h cluster.h util.h tbf.h bgp.h constants.o: constants.c constants.h control.o: control.c l2tpns.h control.h icmp.o: icmp.c l2tpns.h -l2tpns.o: l2tpns.c l2tpns.h cluster.h plugin.h ll.h constants.h control.h \ - util.h tbf.h bgp.h fake_epoll.h +l2tpns.o: l2tpns.c md5.h l2tpns.h cluster.h plugin.h ll.h constants.h \ + control.h util.h tbf.h bgp.h ll.o: ll.c ll.h +md5.o: md5.c md5.h ppp.o: ppp.c l2tpns.h constants.h plugin.h util.h tbf.h cluster.h radius.o: radius.c constants.h l2tpns.h plugin.h util.h cluster.h tbf.o: tbf.c l2tpns.h util.h tbf.h util.o: util.c l2tpns.h bgp.h -bgp.o: bgp.c l2tpns.h bgp.h util.h fake_epoll.h +bgp.o: bgp.c l2tpns.h bgp.h util.h autosnoop.so: autosnoop.c l2tpns.h plugin.h autothrottle.so: autothrottle.c l2tpns.h plugin.h garden.so: garden.c l2tpns.h plugin.h control.h diff --git a/l2tpns.c b/l2tpns.c index 8204503..6da2b7c 100644 --- a/l2tpns.c +++ b/l2tpns.c @@ -4,7 +4,7 @@ // Copyright (c) 2002 FireBrick (Andrews & Arnold Ltd / Watchfront Ltd) - GPL licenced // vim: sw=8 ts=8 -char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.115 2005-07-31 10:04:10 bodea Exp $"; +char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.116 2005-08-10 07:25:24 bodea Exp $"; #include #include @@ -38,9 +38,9 @@ char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.115 2005-07-31 10:04:10 bodea Exp #include #include #include -#include #include +#include "md5.h" #include "l2tpns.h" #include "cluster.h" #include "plugin.h" diff --git a/l2tpns.spec b/l2tpns.spec index afa79be..c236bdd 100644 --- a/l2tpns.spec +++ b/l2tpns.spec @@ -8,8 +8,8 @@ Source: http://optusnet.dl.sourceforge.net/sourceforge/l2tpns/l2tpns-%{version}. URL: http://sourceforge.net/projects/l2tpns BuildRoot: %{_tmppath}/%{name}-%{version}-root Prereq: /sbin/chkconfig -BuildRequires: libcli >= 1.8.5, openssl-devel -Requires: libcli >= 1.8.5, openssl +BuildRequires: libcli >= 1.8.5 +Requires: libcli >= 1.8.5 %description l2tpns is a layer 2 tunneling protocol network server (LNS). It @@ -43,5 +43,5 @@ rm -rf %{buildroot} %attr(644,root,root) /usr/share/man/man[58]/* %changelog -* Tue Aug 2 2005 Brendan O'Dea 2.1.2-1 +* Wed Aug 10 2005 Brendan O'Dea 2.1.2-1 - 2.1.2 release, see /usr/share/doc/l2tpns-2.1.2/Changes diff --git a/md5.c b/md5.c new file mode 100644 index 0000000..9abecfb --- /dev/null +++ b/md5.c @@ -0,0 +1,274 @@ +/* + * This is an OpenSSL-compatible implementation of the RSA Data Security, + * Inc. MD5 Message-Digest Algorithm. + * + * Written by Solar Designer in 2001, and placed + * in the public domain. There's absolutely no warranty. + * + * This differs from Colin Plumb's older public domain implementation in + * that no 32-bit integer data type is required, there's no compile-time + * endianness configuration, and the function prototypes match OpenSSL's. + * The primary goals are portability and ease of use. + * + * This implementation is meant to be fast, but not as fast as possible. + * Some known optimizations are not included to reduce source code size + * and avoid compile-time configuration. + */ + +#ifndef HAVE_OPENSSL + +#include + +#include "md5.h" + +/* + * The basic MD5 functions. + * + * F is optimized compared to its RFC 1321 definition just like in Colin + * Plumb's implementation. + */ +#define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z)))) +#define G(x, y, z) ((y) ^ ((z) & ((x) ^ (y)))) +#define H(x, y, z) ((x) ^ (y) ^ (z)) +#define I(x, y, z) ((y) ^ ((x) | ~(z))) + +/* + * The MD5 transformation for all four rounds. + */ +#define STEP(f, a, b, c, d, x, t, s) \ + (a) += f((b), (c), (d)) + (x) + (t); \ + (a) = (((a) << (s)) | (((a) & 0xffffffff) >> (32 - (s)))); \ + (a) += (b); + +/* + * SET reads 4 input bytes in little-endian byte order and stores them + * in a properly aligned word in host byte order. + * + * The check for little-endian architectures which tolerate unaligned + * memory accesses is just an optimization. Nothing will break if it + * doesn't work. + */ +#if defined(__i386__) || defined(__vax__) +#define SET(n) \ + (*(MD5_u32plus *)&ptr[(n) * 4]) +#define GET(n) \ + SET(n) +#else +#define SET(n) \ + (ctx->block[(n)] = \ + (MD5_u32plus)ptr[(n) * 4] | \ + ((MD5_u32plus)ptr[(n) * 4 + 1] << 8) | \ + ((MD5_u32plus)ptr[(n) * 4 + 2] << 16) | \ + ((MD5_u32plus)ptr[(n) * 4 + 3] << 24)) +#define GET(n) \ + (ctx->block[(n)]) +#endif + +/* + * This processes one or more 64-byte data blocks, but does NOT update + * the bit counters. There're no alignment requirements. + */ +static void *body(MD5_CTX *ctx, void *data, unsigned long size) +{ + unsigned char *ptr; + MD5_u32plus a, b, c, d; + MD5_u32plus saved_a, saved_b, saved_c, saved_d; + + ptr = data; + + a = ctx->a; + b = ctx->b; + c = ctx->c; + d = ctx->d; + + do { + saved_a = a; + saved_b = b; + saved_c = c; + saved_d = d; + +/* Round 1 */ + STEP(F, a, b, c, d, SET(0), 0xd76aa478, 7) + STEP(F, d, a, b, c, SET(1), 0xe8c7b756, 12) + STEP(F, c, d, a, b, SET(2), 0x242070db, 17) + STEP(F, b, c, d, a, SET(3), 0xc1bdceee, 22) + STEP(F, a, b, c, d, SET(4), 0xf57c0faf, 7) + STEP(F, d, a, b, c, SET(5), 0x4787c62a, 12) + STEP(F, c, d, a, b, SET(6), 0xa8304613, 17) + STEP(F, b, c, d, a, SET(7), 0xfd469501, 22) + STEP(F, a, b, c, d, SET(8), 0x698098d8, 7) + STEP(F, d, a, b, c, SET(9), 0x8b44f7af, 12) + STEP(F, c, d, a, b, SET(10), 0xffff5bb1, 17) + STEP(F, b, c, d, a, SET(11), 0x895cd7be, 22) + STEP(F, a, b, c, d, SET(12), 0x6b901122, 7) + STEP(F, d, a, b, c, SET(13), 0xfd987193, 12) + STEP(F, c, d, a, b, SET(14), 0xa679438e, 17) + STEP(F, b, c, d, a, SET(15), 0x49b40821, 22) + +/* Round 2 */ + STEP(G, a, b, c, d, GET(1), 0xf61e2562, 5) + STEP(G, d, a, b, c, GET(6), 0xc040b340, 9) + STEP(G, c, d, a, b, GET(11), 0x265e5a51, 14) + STEP(G, b, c, d, a, GET(0), 0xe9b6c7aa, 20) + STEP(G, a, b, c, d, GET(5), 0xd62f105d, 5) + STEP(G, d, a, b, c, GET(10), 0x02441453, 9) + STEP(G, c, d, a, b, GET(15), 0xd8a1e681, 14) + STEP(G, b, c, d, a, GET(4), 0xe7d3fbc8, 20) + STEP(G, a, b, c, d, GET(9), 0x21e1cde6, 5) + STEP(G, d, a, b, c, GET(14), 0xc33707d6, 9) + STEP(G, c, d, a, b, GET(3), 0xf4d50d87, 14) + STEP(G, b, c, d, a, GET(8), 0x455a14ed, 20) + STEP(G, a, b, c, d, GET(13), 0xa9e3e905, 5) + STEP(G, d, a, b, c, GET(2), 0xfcefa3f8, 9) + STEP(G, c, d, a, b, GET(7), 0x676f02d9, 14) + STEP(G, b, c, d, a, GET(12), 0x8d2a4c8a, 20) + +/* Round 3 */ + STEP(H, a, b, c, d, GET(5), 0xfffa3942, 4) + STEP(H, d, a, b, c, GET(8), 0x8771f681, 11) + STEP(H, c, d, a, b, GET(11), 0x6d9d6122, 16) + STEP(H, b, c, d, a, GET(14), 0xfde5380c, 23) + STEP(H, a, b, c, d, GET(1), 0xa4beea44, 4) + STEP(H, d, a, b, c, GET(4), 0x4bdecfa9, 11) + STEP(H, c, d, a, b, GET(7), 0xf6bb4b60, 16) + STEP(H, b, c, d, a, GET(10), 0xbebfbc70, 23) + STEP(H, a, b, c, d, GET(13), 0x289b7ec6, 4) + STEP(H, d, a, b, c, GET(0), 0xeaa127fa, 11) + STEP(H, c, d, a, b, GET(3), 0xd4ef3085, 16) + STEP(H, b, c, d, a, GET(6), 0x04881d05, 23) + STEP(H, a, b, c, d, GET(9), 0xd9d4d039, 4) + STEP(H, d, a, b, c, GET(12), 0xe6db99e5, 11) + STEP(H, c, d, a, b, GET(15), 0x1fa27cf8, 16) + STEP(H, b, c, d, a, GET(2), 0xc4ac5665, 23) + +/* Round 4 */ + STEP(I, a, b, c, d, GET(0), 0xf4292244, 6) + STEP(I, d, a, b, c, GET(7), 0x432aff97, 10) + STEP(I, c, d, a, b, GET(14), 0xab9423a7, 15) + STEP(I, b, c, d, a, GET(5), 0xfc93a039, 21) + STEP(I, a, b, c, d, GET(12), 0x655b59c3, 6) + STEP(I, d, a, b, c, GET(3), 0x8f0ccc92, 10) + STEP(I, c, d, a, b, GET(10), 0xffeff47d, 15) + STEP(I, b, c, d, a, GET(1), 0x85845dd1, 21) + STEP(I, a, b, c, d, GET(8), 0x6fa87e4f, 6) + STEP(I, d, a, b, c, GET(15), 0xfe2ce6e0, 10) + STEP(I, c, d, a, b, GET(6), 0xa3014314, 15) + STEP(I, b, c, d, a, GET(13), 0x4e0811a1, 21) + STEP(I, a, b, c, d, GET(4), 0xf7537e82, 6) + STEP(I, d, a, b, c, GET(11), 0xbd3af235, 10) + STEP(I, c, d, a, b, GET(2), 0x2ad7d2bb, 15) + STEP(I, b, c, d, a, GET(9), 0xeb86d391, 21) + + a += saved_a; + b += saved_b; + c += saved_c; + d += saved_d; + + ptr += 64; + } while (size -= 64); + + ctx->a = a; + ctx->b = b; + ctx->c = c; + ctx->d = d; + + return ptr; +} + +void MD5_Init(MD5_CTX *ctx) +{ + ctx->a = 0x67452301; + ctx->b = 0xefcdab89; + ctx->c = 0x98badcfe; + ctx->d = 0x10325476; + + ctx->lo = 0; + ctx->hi = 0; +} + +void MD5_Update(MD5_CTX *ctx, void *data, unsigned long size) +{ + MD5_u32plus saved_lo; + unsigned long used, free; + + saved_lo = ctx->lo; + if ((ctx->lo = (saved_lo + size) & 0x1fffffff) < saved_lo) + ctx->hi++; + ctx->hi += size >> 29; + + used = saved_lo & 0x3f; + + if (used) { + free = 64 - used; + + if (size < free) { + memcpy(&ctx->buffer[used], data, size); + return; + } + + memcpy(&ctx->buffer[used], data, free); + data = (unsigned char *)data + free; + size -= free; + body(ctx, ctx->buffer, 64); + } + + if (size >= 64) { + data = body(ctx, data, size & ~(unsigned long)0x3f); + size &= 0x3f; + } + + memcpy(ctx->buffer, data, size); +} + +void MD5_Final(unsigned char *result, MD5_CTX *ctx) +{ + unsigned long used, free; + + used = ctx->lo & 0x3f; + + ctx->buffer[used++] = 0x80; + + free = 64 - used; + + if (free < 8) { + memset(&ctx->buffer[used], 0, free); + body(ctx, ctx->buffer, 64); + used = 0; + free = 64; + } + + memset(&ctx->buffer[used], 0, free - 8); + + ctx->lo <<= 3; + ctx->buffer[56] = ctx->lo; + ctx->buffer[57] = ctx->lo >> 8; + ctx->buffer[58] = ctx->lo >> 16; + ctx->buffer[59] = ctx->lo >> 24; + ctx->buffer[60] = ctx->hi; + ctx->buffer[61] = ctx->hi >> 8; + ctx->buffer[62] = ctx->hi >> 16; + ctx->buffer[63] = ctx->hi >> 24; + + body(ctx, ctx->buffer, 64); + + result[0] = ctx->a; + result[1] = ctx->a >> 8; + result[2] = ctx->a >> 16; + result[3] = ctx->a >> 24; + result[4] = ctx->b; + result[5] = ctx->b >> 8; + result[6] = ctx->b >> 16; + result[7] = ctx->b >> 24; + result[8] = ctx->c; + result[9] = ctx->c >> 8; + result[10] = ctx->c >> 16; + result[11] = ctx->c >> 24; + result[12] = ctx->d; + result[13] = ctx->d >> 8; + result[14] = ctx->d >> 16; + result[15] = ctx->d >> 24; + + memset(ctx, 0, sizeof(*ctx)); +} + +#endif diff --git a/md5.h b/md5.h new file mode 100644 index 0000000..1ff5045 --- /dev/null +++ b/md5.h @@ -0,0 +1,28 @@ +/* + * This is an OpenSSL-compatible implementation of the RSA Data Security, + * Inc. MD5 Message-Digest Algorithm. + * + * Written by Solar Designer in 2001, and placed + * in the public domain. See md5.c for more information. + */ + +#ifdef HAVE_OPENSSL +#include +#elif !defined(_MD5_H) +#define _MD5_H + +/* Any 32-bit or wider unsigned integer data type will do */ +typedef unsigned long MD5_u32plus; + +typedef struct { + MD5_u32plus lo, hi; + MD5_u32plus a, b, c, d; + unsigned char buffer[64]; + MD5_u32plus block[16]; +} MD5_CTX; + +extern void MD5_Init(MD5_CTX *ctx); +extern void MD5_Update(MD5_CTX *ctx, void *data, unsigned long size); +extern void MD5_Final(unsigned char *result, MD5_CTX *ctx); + +#endif diff --git a/test/radius.c b/test/radius.c index d0a8dc4..e31ce60 100644 --- a/test/radius.c +++ b/test/radius.c @@ -19,7 +19,7 @@ #include #include #include -#include +#include "../md5.h" extern char *optarg; extern int optind;