diff options
| author | Wilmer van der Gaast <wilmer@gaast.net> | 2012-08-19 16:33:55 +0100 | 
|---|---|---|
| committer | Wilmer van der Gaast <wilmer@gaast.net> | 2012-08-19 16:33:55 +0100 | 
| commit | 68709f5618175d0ecb9b2b160cbb2ce2d4ddc7bc (patch) | |
| tree | d9e8d6af12812d3d35ec5d2f3765ba4d83a8b804 | |
| parent | 6ee51a914b26fec1f7036af758be514bbfed9778 (diff) | |
NSS module fixes from mcepl in #714. This removes des.c since it's no
longer necessary.
| -rwxr-xr-x | configure | 8 | ||||
| -rw-r--r-- | lib/Makefile | 2 | ||||
| -rw-r--r-- | lib/des.c | 646 | ||||
| -rw-r--r-- | lib/des.h | 51 | ||||
| -rw-r--r-- | lib/ssl_nss.c | 331 | 
5 files changed, 249 insertions, 789 deletions
| @@ -453,14 +453,6 @@ if [ "$ret" = "0" ]; then  	exit 1  fi; -if [ "$msn" = "1" -a "$ssl" != "openssl" -a "$ssl" != "gnutls" ]; then -	# Needed for MSN only. OpenSSL exports nice cipher functions already, -	# in case of GnuTLS we should be able to use gcrypt. Otherwise, use -	# built-in stuff. (Since right now those are the only two supported -	# SSL modules anyway, this is mostly unnecessary.) -	echo 'DES=des.o' >> Makefile.settings -fi -  echo 'SSL_CLIENT=ssl_'$ssl'.o' >> Makefile.settings  if detect_resolv_dynamic || detect_resolv_static; then diff --git a/lib/Makefile b/lib/Makefile index 76c41fc3..f56b1fe5 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -12,7 +12,7 @@ _SRCDIR_ := $(_SRCDIR_)lib/  endif  # [SH] Program variables -objects = arc.o base64.o $(DES) $(EVENT_HANDLER) ftutil.o http_client.o ini.o md5.o misc.o oauth.o oauth2.o proxy.o sha1.o $(SSL_CLIENT) url.o xmltree.o +objects = arc.o base64.o $(EVENT_HANDLER) ftutil.o http_client.o ini.o md5.o misc.o oauth.o oauth2.o proxy.o sha1.o $(SSL_CLIENT) url.o xmltree.o  LFLAGS += -r diff --git a/lib/des.c b/lib/des.c deleted file mode 100644 index 3b9cc8d5..00000000 --- a/lib/des.c +++ /dev/null @@ -1,646 +0,0 @@ -/* - *  FIPS-46-3 compliant 3DES implementation - * - *  Copyright (C) 2001-2003  Christophe Devine - * - *  This program is free software; you can redistribute it and/or modify - *  it under the terms of the GNU General Public License as published by - *  the Free Software Foundation; either version 2 of the License, or - *  (at your option) any later version. - * - *  This program is distributed in the hope that it will be useful, - *  but WITHOUT ANY WARRANTY; without even the implied warranty of - *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the - *  GNU General Public License for more details. - * - *  You should have received a copy of the GNU General Public License - *  along with this program; if not, write to the Free Software - *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA - */ - -/* - * Modified for BitlBee: Added a function compatible with the existing - * function in ssl_openssl.c, fairly specialised for MSN auth (since that's - * all this is used for at least for now). - * - * Added some consts to the tables at the top, and disabled some 64-bit - * and 128-bit key code that I don't need. - * - * *Many* thanks to Christophe for this compact and easy to import code. - */ - -#include <string.h> -#include <glib.h> -#include "des.h" - -/* the eight DES S-boxes */ - -static const uint32_t SB1[64] = -{ -    0x01010400, 0x00000000, 0x00010000, 0x01010404, -    0x01010004, 0x00010404, 0x00000004, 0x00010000, -    0x00000400, 0x01010400, 0x01010404, 0x00000400, -    0x01000404, 0x01010004, 0x01000000, 0x00000004, -    0x00000404, 0x01000400, 0x01000400, 0x00010400, -    0x00010400, 0x01010000, 0x01010000, 0x01000404, -    0x00010004, 0x01000004, 0x01000004, 0x00010004, -    0x00000000, 0x00000404, 0x00010404, 0x01000000, -    0x00010000, 0x01010404, 0x00000004, 0x01010000, -    0x01010400, 0x01000000, 0x01000000, 0x00000400, -    0x01010004, 0x00010000, 0x00010400, 0x01000004, -    0x00000400, 0x00000004, 0x01000404, 0x00010404, -    0x01010404, 0x00010004, 0x01010000, 0x01000404, -    0x01000004, 0x00000404, 0x00010404, 0x01010400, -    0x00000404, 0x01000400, 0x01000400, 0x00000000, -    0x00010004, 0x00010400, 0x00000000, 0x01010004 -}; - -static const uint32_t SB2[64] = -{ -    0x80108020, 0x80008000, 0x00008000, 0x00108020, -    0x00100000, 0x00000020, 0x80100020, 0x80008020, -    0x80000020, 0x80108020, 0x80108000, 0x80000000, -    0x80008000, 0x00100000, 0x00000020, 0x80100020, -    0x00108000, 0x00100020, 0x80008020, 0x00000000, -    0x80000000, 0x00008000, 0x00108020, 0x80100000, -    0x00100020, 0x80000020, 0x00000000, 0x00108000, -    0x00008020, 0x80108000, 0x80100000, 0x00008020, -    0x00000000, 0x00108020, 0x80100020, 0x00100000, -    0x80008020, 0x80100000, 0x80108000, 0x00008000, -    0x80100000, 0x80008000, 0x00000020, 0x80108020, -    0x00108020, 0x00000020, 0x00008000, 0x80000000, -    0x00008020, 0x80108000, 0x00100000, 0x80000020, -    0x00100020, 0x80008020, 0x80000020, 0x00100020, -    0x00108000, 0x00000000, 0x80008000, 0x00008020, -    0x80000000, 0x80100020, 0x80108020, 0x00108000 -}; - -static const uint32_t SB3[64] = -{ -    0x00000208, 0x08020200, 0x00000000, 0x08020008, -    0x08000200, 0x00000000, 0x00020208, 0x08000200, -    0x00020008, 0x08000008, 0x08000008, 0x00020000, -    0x08020208, 0x00020008, 0x08020000, 0x00000208, -    0x08000000, 0x00000008, 0x08020200, 0x00000200, -    0x00020200, 0x08020000, 0x08020008, 0x00020208, -    0x08000208, 0x00020200, 0x00020000, 0x08000208, -    0x00000008, 0x08020208, 0x00000200, 0x08000000, -    0x08020200, 0x08000000, 0x00020008, 0x00000208, -    0x00020000, 0x08020200, 0x08000200, 0x00000000, -    0x00000200, 0x00020008, 0x08020208, 0x08000200, -    0x08000008, 0x00000200, 0x00000000, 0x08020008, -    0x08000208, 0x00020000, 0x08000000, 0x08020208, -    0x00000008, 0x00020208, 0x00020200, 0x08000008, -    0x08020000, 0x08000208, 0x00000208, 0x08020000, -    0x00020208, 0x00000008, 0x08020008, 0x00020200 -}; - -static const uint32_t SB4[64] = -{ -    0x00802001, 0x00002081, 0x00002081, 0x00000080, -    0x00802080, 0x00800081, 0x00800001, 0x00002001, -    0x00000000, 0x00802000, 0x00802000, 0x00802081, -    0x00000081, 0x00000000, 0x00800080, 0x00800001, -    0x00000001, 0x00002000, 0x00800000, 0x00802001, -    0x00000080, 0x00800000, 0x00002001, 0x00002080, -    0x00800081, 0x00000001, 0x00002080, 0x00800080, -    0x00002000, 0x00802080, 0x00802081, 0x00000081, -    0x00800080, 0x00800001, 0x00802000, 0x00802081, -    0x00000081, 0x00000000, 0x00000000, 0x00802000, -    0x00002080, 0x00800080, 0x00800081, 0x00000001, -    0x00802001, 0x00002081, 0x00002081, 0x00000080, -    0x00802081, 0x00000081, 0x00000001, 0x00002000, -    0x00800001, 0x00002001, 0x00802080, 0x00800081, -    0x00002001, 0x00002080, 0x00800000, 0x00802001, -    0x00000080, 0x00800000, 0x00002000, 0x00802080 -}; - -static const uint32_t SB5[64] = -{ -    0x00000100, 0x02080100, 0x02080000, 0x42000100, -    0x00080000, 0x00000100, 0x40000000, 0x02080000, -    0x40080100, 0x00080000, 0x02000100, 0x40080100, -    0x42000100, 0x42080000, 0x00080100, 0x40000000, -    0x02000000, 0x40080000, 0x40080000, 0x00000000, -    0x40000100, 0x42080100, 0x42080100, 0x02000100, -    0x42080000, 0x40000100, 0x00000000, 0x42000000, -    0x02080100, 0x02000000, 0x42000000, 0x00080100, -    0x00080000, 0x42000100, 0x00000100, 0x02000000, -    0x40000000, 0x02080000, 0x42000100, 0x40080100, -    0x02000100, 0x40000000, 0x42080000, 0x02080100, -    0x40080100, 0x00000100, 0x02000000, 0x42080000, -    0x42080100, 0x00080100, 0x42000000, 0x42080100, -    0x02080000, 0x00000000, 0x40080000, 0x42000000, -    0x00080100, 0x02000100, 0x40000100, 0x00080000, -    0x00000000, 0x40080000, 0x02080100, 0x40000100 -}; - -static const uint32_t SB6[64] = -{ -    0x20000010, 0x20400000, 0x00004000, 0x20404010, -    0x20400000, 0x00000010, 0x20404010, 0x00400000, -    0x20004000, 0x00404010, 0x00400000, 0x20000010, -    0x00400010, 0x20004000, 0x20000000, 0x00004010, -    0x00000000, 0x00400010, 0x20004010, 0x00004000, -    0x00404000, 0x20004010, 0x00000010, 0x20400010, -    0x20400010, 0x00000000, 0x00404010, 0x20404000, -    0x00004010, 0x00404000, 0x20404000, 0x20000000, -    0x20004000, 0x00000010, 0x20400010, 0x00404000, -    0x20404010, 0x00400000, 0x00004010, 0x20000010, -    0x00400000, 0x20004000, 0x20000000, 0x00004010, -    0x20000010, 0x20404010, 0x00404000, 0x20400000, -    0x00404010, 0x20404000, 0x00000000, 0x20400010, -    0x00000010, 0x00004000, 0x20400000, 0x00404010, -    0x00004000, 0x00400010, 0x20004010, 0x00000000, -    0x20404000, 0x20000000, 0x00400010, 0x20004010 -}; - -static const uint32_t SB7[64] = -{ -    0x00200000, 0x04200002, 0x04000802, 0x00000000, -    0x00000800, 0x04000802, 0x00200802, 0x04200800, -    0x04200802, 0x00200000, 0x00000000, 0x04000002, -    0x00000002, 0x04000000, 0x04200002, 0x00000802, -    0x04000800, 0x00200802, 0x00200002, 0x04000800, -    0x04000002, 0x04200000, 0x04200800, 0x00200002, -    0x04200000, 0x00000800, 0x00000802, 0x04200802, -    0x00200800, 0x00000002, 0x04000000, 0x00200800, -    0x04000000, 0x00200800, 0x00200000, 0x04000802, -    0x04000802, 0x04200002, 0x04200002, 0x00000002, -    0x00200002, 0x04000000, 0x04000800, 0x00200000, -    0x04200800, 0x00000802, 0x00200802, 0x04200800, -    0x00000802, 0x04000002, 0x04200802, 0x04200000, -    0x00200800, 0x00000000, 0x00000002, 0x04200802, -    0x00000000, 0x00200802, 0x04200000, 0x00000800, -    0x04000002, 0x04000800, 0x00000800, 0x00200002 -}; - -static const uint32_t SB8[64] = -{ -    0x10001040, 0x00001000, 0x00040000, 0x10041040, -    0x10000000, 0x10001040, 0x00000040, 0x10000000, -    0x00040040, 0x10040000, 0x10041040, 0x00041000, -    0x10041000, 0x00041040, 0x00001000, 0x00000040, -    0x10040000, 0x10000040, 0x10001000, 0x00001040, -    0x00041000, 0x00040040, 0x10040040, 0x10041000, -    0x00001040, 0x00000000, 0x00000000, 0x10040040, -    0x10000040, 0x10001000, 0x00041040, 0x00040000, -    0x00041040, 0x00040000, 0x10041000, 0x00001000, -    0x00000040, 0x10040040, 0x00001000, 0x00041040, -    0x10001000, 0x00000040, 0x10000040, 0x10040000, -    0x10040040, 0x10000000, 0x00040000, 0x10001040, -    0x00000000, 0x10041040, 0x00040040, 0x10000040, -    0x10040000, 0x10001000, 0x10001040, 0x00000000, -    0x10041040, 0x00041000, 0x00041000, 0x00001040, -    0x00001040, 0x00040040, 0x10000000, 0x10041000 -}; - -/* PC1: left and right halves bit-swap */ - -static const uint32_t LHs[16] = -{ -    0x00000000, 0x00000001, 0x00000100, 0x00000101, -    0x00010000, 0x00010001, 0x00010100, 0x00010101, -    0x01000000, 0x01000001, 0x01000100, 0x01000101, -    0x01010000, 0x01010001, 0x01010100, 0x01010101 -}; - -static const uint32_t RHs[16] = -{ -    0x00000000, 0x01000000, 0x00010000, 0x01010000, -    0x00000100, 0x01000100, 0x00010100, 0x01010100, -    0x00000001, 0x01000001, 0x00010001, 0x01010001, -    0x00000101, 0x01000101, 0x00010101, 0x01010101, -}; - -/* platform-independant 32-bit integer manipulation macros */ - -#define GET_UINT32(n,b,i)                         \ -{                                                 \ -    (n) = ( (uint32_t) (b)[(i)    ] << 24 )       \ -        | ( (uint32_t) (b)[(i) + 1] << 16 )       \ -        | ( (uint32_t) (b)[(i) + 2] <<  8 )       \ -        | ( (uint32_t) (b)[(i) + 3]       );      \ -} - -#define PUT_UINT32(n,b,i)                         \ -{                                                 \ -    (b)[(i)    ] = (uint8_t) ( (n) >> 24 );       \ -    (b)[(i) + 1] = (uint8_t) ( (n) >> 16 );       \ -    (b)[(i) + 2] = (uint8_t) ( (n) >>  8 );       \ -    (b)[(i) + 3] = (uint8_t) ( (n)       );       \ -} - -/* Initial Permutation macro */ - -#define DES_IP(X,Y)                                             \ -{                                                               \ -    T = ((X >>  4) ^ Y) & 0x0F0F0F0F; Y ^= T; X ^= (T <<  4);   \ -    T = ((X >> 16) ^ Y) & 0x0000FFFF; Y ^= T; X ^= (T << 16);   \ -    T = ((Y >>  2) ^ X) & 0x33333333; X ^= T; Y ^= (T <<  2);   \ -    T = ((Y >>  8) ^ X) & 0x00FF00FF; X ^= T; Y ^= (T <<  8);   \ -    Y = ((Y << 1) | (Y >> 31)) & 0xFFFFFFFF;                    \ -    T = (X ^ Y) & 0xAAAAAAAA; Y ^= T; X ^= T;                   \ -    X = ((X << 1) | (X >> 31)) & 0xFFFFFFFF;                    \ -} - -/* Final Permutation macro */ - -#define DES_FP(X,Y)                                             \ -{                                                               \ -    X = ((X << 31) | (X >> 1)) & 0xFFFFFFFF;                    \ -    T = (X ^ Y) & 0xAAAAAAAA; X ^= T; Y ^= T;                   \ -    Y = ((Y << 31) | (Y >> 1)) & 0xFFFFFFFF;                    \ -    T = ((Y >>  8) ^ X) & 0x00FF00FF; X ^= T; Y ^= (T <<  8);   \ -    T = ((Y >>  2) ^ X) & 0x33333333; X ^= T; Y ^= (T <<  2);   \ -    T = ((X >> 16) ^ Y) & 0x0000FFFF; Y ^= T; X ^= (T << 16);   \ -    T = ((X >>  4) ^ Y) & 0x0F0F0F0F; Y ^= T; X ^= (T <<  4);   \ -} - -/* DES round macro */ - -#define DES_ROUND(X,Y)                          \ -{                                               \ -    T = *SK++ ^ X;                              \ -    Y ^= SB8[ (T      ) & 0x3F ] ^              \ -         SB6[ (T >>  8) & 0x3F ] ^              \ -         SB4[ (T >> 16) & 0x3F ] ^              \ -         SB2[ (T >> 24) & 0x3F ];               \ -                                                \ -    T = *SK++ ^ ((X << 28) | (X >> 4));         \ -    Y ^= SB7[ (T      ) & 0x3F ] ^              \ -         SB5[ (T >>  8) & 0x3F ] ^              \ -         SB3[ (T >> 16) & 0x3F ] ^              \ -         SB1[ (T >> 24) & 0x3F ];               \ -} - -/* DES key schedule */ - -int des_main_ks( uint32_t SK[32], const uint8_t key[8] ) -{ -    int i; -    uint32_t X, Y, T; - -    GET_UINT32( X, key, 0 ); -    GET_UINT32( Y, key, 4 ); - -    /* Permuted Choice 1 */ - -    T =  ((Y >>  4) ^ X) & 0x0F0F0F0F;  X ^= T; Y ^= (T <<  4); -    T =  ((Y      ) ^ X) & 0x10101010;  X ^= T; Y ^= (T      ); - -    X =   (LHs[ (X      ) & 0xF] << 3) | (LHs[ (X >>  8) & 0xF ] << 2) -        | (LHs[ (X >> 16) & 0xF] << 1) | (LHs[ (X >> 24) & 0xF ]     ) -        | (LHs[ (X >>  5) & 0xF] << 7) | (LHs[ (X >> 13) & 0xF ] << 6) -        | (LHs[ (X >> 21) & 0xF] << 5) | (LHs[ (X >> 29) & 0xF ] << 4); - -    Y =   (RHs[ (Y >>  1) & 0xF] << 3) | (RHs[ (Y >>  9) & 0xF ] << 2) -        | (RHs[ (Y >> 17) & 0xF] << 1) | (RHs[ (Y >> 25) & 0xF ]     ) -        | (RHs[ (Y >>  4) & 0xF] << 7) | (RHs[ (Y >> 12) & 0xF ] << 6) -        | (RHs[ (Y >> 20) & 0xF] << 5) | (RHs[ (Y >> 28) & 0xF ] << 4); - -    X &= 0x0FFFFFFF; -    Y &= 0x0FFFFFFF; - -    /* calculate subkeys */ - -    for( i = 0; i < 16; i++ ) -    { -        if( i < 2 || i == 8 || i == 15 ) -        { -            X = ((X <<  1) | (X >> 27)) & 0x0FFFFFFF; -            Y = ((Y <<  1) | (Y >> 27)) & 0x0FFFFFFF; -        } -        else -        { -            X = ((X <<  2) | (X >> 26)) & 0x0FFFFFFF; -            Y = ((Y <<  2) | (Y >> 26)) & 0x0FFFFFFF; -        } - -        *SK++ =   ((X <<  4) & 0x24000000) | ((X << 28) & 0x10000000) -                | ((X << 14) & 0x08000000) | ((X << 18) & 0x02080000) -                | ((X <<  6) & 0x01000000) | ((X <<  9) & 0x00200000) -                | ((X >>  1) & 0x00100000) | ((X << 10) & 0x00040000) -                | ((X <<  2) & 0x00020000) | ((X >> 10) & 0x00010000) -                | ((Y >> 13) & 0x00002000) | ((Y >>  4) & 0x00001000) -                | ((Y <<  6) & 0x00000800) | ((Y >>  1) & 0x00000400) -                | ((Y >> 14) & 0x00000200) | ((Y      ) & 0x00000100) -                | ((Y >>  5) & 0x00000020) | ((Y >> 10) & 0x00000010) -                | ((Y >>  3) & 0x00000008) | ((Y >> 18) & 0x00000004) -                | ((Y >> 26) & 0x00000002) | ((Y >> 24) & 0x00000001); - -        *SK++ =   ((X << 15) & 0x20000000) | ((X << 17) & 0x10000000) -                | ((X << 10) & 0x08000000) | ((X << 22) & 0x04000000) -                | ((X >>  2) & 0x02000000) | ((X <<  1) & 0x01000000) -                | ((X << 16) & 0x00200000) | ((X << 11) & 0x00100000) -                | ((X <<  3) & 0x00080000) | ((X >>  6) & 0x00040000) -                | ((X << 15) & 0x00020000) | ((X >>  4) & 0x00010000) -                | ((Y >>  2) & 0x00002000) | ((Y <<  8) & 0x00001000) -                | ((Y >> 14) & 0x00000808) | ((Y >>  9) & 0x00000400) -                | ((Y      ) & 0x00000200) | ((Y <<  7) & 0x00000100) -                | ((Y >>  7) & 0x00000020) | ((Y >>  3) & 0x00000011) -                | ((Y <<  2) & 0x00000004) | ((Y >> 21) & 0x00000002); -    } - -    return( 0 ); -} - -#if TEST -int des_set_key( des_context *ctx, uint8_t key[8] ) -{ -    int i; - -    /* setup encryption subkeys */ - -    des_main_ks( ctx->esk, key ); - -    /* setup decryption subkeys */ - -    for( i = 0; i < 32; i += 2 ) -    { -        ctx->dsk[i    ] = ctx->esk[30 - i]; -        ctx->dsk[i + 1] = ctx->esk[31 - i]; -    } - -    return( 0 ); -} - -/* DES 64-bit block encryption/decryption */ - -void des_crypt( uint32_t SK[32], uint8_t input[8], uint8_t output[8] ) -{ -    uint32_t X, Y, T; - -    GET_UINT32( X, input, 0 ); -    GET_UINT32( Y, input, 4 ); - -    DES_IP( X, Y ); - -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); - -    DES_FP( Y, X ); - -    PUT_UINT32( Y, output, 0 ); -    PUT_UINT32( X, output, 4 ); -} - -void des_encrypt( des_context *ctx, uint8_t input[8], uint8_t output[8] ) -{ -    des_crypt( ctx->esk, input, output ); -} - -void des_decrypt( des_context *ctx, uint8_t input[8], uint8_t output[8] ) -{ -    des_crypt( ctx->dsk, input, output ); -} - -/* Triple-DES key schedule */ - -int des3_set_2keys( des3_context *ctx, const uint8_t key1[8], const uint8_t key2[8] ) -{ -    int i; - -    des_main_ks( ctx->esk     , key1 ); -    des_main_ks( ctx->dsk + 32, key2 ); - -    for( i = 0; i < 32; i += 2 ) -    { -        ctx->dsk[i     ] = ctx->esk[30 - i]; -        ctx->dsk[i +  1] = ctx->esk[31 - i]; - -        ctx->esk[i + 32] = ctx->dsk[62 - i]; -        ctx->esk[i + 33] = ctx->dsk[63 - i]; - -        ctx->esk[i + 64] = ctx->esk[     i]; -        ctx->esk[i + 65] = ctx->esk[ 1 + i]; - -        ctx->dsk[i + 64] = ctx->dsk[     i]; -        ctx->dsk[i + 65] = ctx->dsk[ 1 + i]; -    } - -    return( 0 ); -} -#endif - -int des3_set_3keys( des3_context *ctx, const uint8_t key1[8], const uint8_t key2[8], -                                       const uint8_t key3[8] ) -{ -    int i; - -    des_main_ks( ctx->esk     , key1 ); -    des_main_ks( ctx->dsk + 32, key2 ); -    des_main_ks( ctx->esk + 64, key3 ); - -    for( i = 0; i < 32; i += 2 ) -    { -        ctx->dsk[i     ] = ctx->esk[94 - i]; -        ctx->dsk[i +  1] = ctx->esk[95 - i]; - -        ctx->esk[i + 32] = ctx->dsk[62 - i]; -        ctx->esk[i + 33] = ctx->dsk[63 - i]; - -        ctx->dsk[i + 64] = ctx->esk[30 - i]; -        ctx->dsk[i + 65] = ctx->esk[31 - i]; -    } - -    return( 0 ); -} - -/* Triple-DES 64-bit block encryption/decryption */ - -void des3_crypt( uint32_t SK[96], uint8_t input[8], uint8_t output[8] ) -{ -    uint32_t X, Y, T; - -    GET_UINT32( X, input, 0 ); -    GET_UINT32( Y, input, 4 ); - -    DES_IP( X, Y ); - -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); - -    DES_ROUND( X, Y );  DES_ROUND( Y, X ); -    DES_ROUND( X, Y );  DES_ROUND( Y, X ); -    DES_ROUND( X, Y );  DES_ROUND( Y, X ); -    DES_ROUND( X, Y );  DES_ROUND( Y, X ); -    DES_ROUND( X, Y );  DES_ROUND( Y, X ); -    DES_ROUND( X, Y );  DES_ROUND( Y, X ); -    DES_ROUND( X, Y );  DES_ROUND( Y, X ); -    DES_ROUND( X, Y );  DES_ROUND( Y, X ); - -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); -    DES_ROUND( Y, X );  DES_ROUND( X, Y ); - -    DES_FP( Y, X ); - -    PUT_UINT32( Y, output, 0 ); -    PUT_UINT32( X, output, 4 ); -} - -void des3_encrypt( des3_context *ctx, uint8_t input[8], uint8_t output[8] ) -{ -    des3_crypt( ctx->esk, input, output ); -} - -void des3_decrypt( des3_context *ctx, uint8_t input[8], uint8_t output[8] ) -{ -    des3_crypt( ctx->dsk, input, output ); -} - -size_t ssl_des3_encrypt( const unsigned char *key, size_t key_len, const unsigned char *input, -                         size_t input_len, const unsigned char *iv, unsigned char **res ) -{ -	des3_context ctx3; -	size_t off; -	uint8_t buf[8]; -		 -	/* Keep it simple, for as long as this is just used for MSN auth anyway. */ -	if( key_len != 24 || ( input_len % 8 ) != 0 ) -		return 0; -	 -	*res = g_malloc( input_len ); -	des3_set_3keys( &ctx3, key, key + 8, key + 16 ); -	 -	/* This loop does CBC 3DES. */ -	memcpy( buf, iv, 8 ); -	for( off = 0; off < input_len; off += 8 ) -	{ -		int i; -		 -		for( i = 0; i < 8; i ++ ) -			buf[i] ^= input[off+i]; -		des3_encrypt( &ctx3, buf, buf ); -		memcpy( *res + off, buf, 8 ); -	} -	 -	return input_len; -} - -#ifdef TEST - -#include <string.h> -#include <stdio.h> - -/* - * Triple-DES Monte Carlo Test: ECB mode - * source: NIST - tripledes-vectors.zip - */ - -static const unsigned char DES3_keys[3][8] = -{ -    { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF }, -    { 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01 }, -    { 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01, 0x23 } -}; - -static const unsigned char DES3_init[8] = -{ -    0x4E, 0x6F, 0x77, 0x20, 0x69, 0x73, 0x20, 0x74 -}; - -static const unsigned char DES3_enc_test[3][8] = -{ -    { 0x6A, 0x2A, 0x19, 0xF4, 0x1E, 0xCA, 0x85, 0x4B }, -    { 0x03, 0xE6, 0x9F, 0x5B, 0xFA, 0x58, 0xEB, 0x42 }, -    { 0xDD, 0x17, 0xE8, 0xB8, 0xB4, 0x37, 0xD2, 0x32 } -}; -    -static const unsigned char DES3_dec_test[3][8] = -{ -    { 0xCD, 0xD6, 0x4F, 0x2F, 0x94, 0x27, 0xC1, 0x5D }, -    { 0x69, 0x96, 0xC8, 0xFA, 0x47, 0xA2, 0xAB, 0xEB }, -    { 0x83, 0x25, 0x39, 0x76, 0x44, 0x09, 0x1A, 0x0A } -}; - -int main( void ) -{ -    int m, n, i; -    des_context ctx; -    des3_context ctx3; -    unsigned char buf[8]; - -    for( m = 0; m < 2; m++ ) -    { -        printf( "\n Triple-DES Monte Carlo Test (ECB mode) - " ); - -        if( m == 0 ) printf( "encryption\n\n" ); -        if( m == 1 ) printf( "decryption\n\n" ); - -        for( n = 0; n < 3; n++ ) -        { -            printf( " Test %d, key size = %3d bits: ", -                    n + 1, 64 + n * 64 ); - -            fflush( stdout ); - -            memcpy( buf, DES3_init, 8 ); - -            switch( n ) -            { -                case 0: -                    des_set_key( &ctx, DES3_keys[0] ); -                    break; - -                case 1: -                    des3_set_2keys( &ctx3, DES3_keys[0], -                                           DES3_keys[1] ); -                    break; - -                case 2: -                    des3_set_3keys( &ctx3, DES3_keys[0], -                                           DES3_keys[1], -                                           DES3_keys[2] ); -                    break; -            } - -            for( i = 0; i < 10000; i++ ) -            { -                if( n == 0 ) -                { -                    if( m == 0 ) des_encrypt( &ctx, buf, buf ); -                    if( m == 1 ) des_decrypt( &ctx, buf, buf ); -                } -                else -                { -                    if( m == 0 ) des3_encrypt( &ctx3, buf, buf ); -                    if( m == 1 ) des3_decrypt( &ctx3, buf, buf ); -                } -            } - -            if( ( m == 0 && memcmp( buf, DES3_enc_test[n], 8 ) ) || -                ( m == 1 && memcmp( buf, DES3_dec_test[n], 8 ) ) ) -            { -                printf( "failed!\n" ); -                return( 1 ); -            } - -            printf( "passed.\n" ); -        } -    } - -    printf( "\n" ); - -    return( 0 ); -} - -#endif diff --git a/lib/des.h b/lib/des.h deleted file mode 100644 index 92fbfd22..00000000 --- a/lib/des.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - *  FIPS-46-3 compliant 3DES implementation - * - *  Copyright (C) 2001-2003  Christophe Devine - * - *  This program is free software; you can redistribute it and/or modify - *  it under the terms of the GNU General Public License as published by - *  the Free Software Foundation; either version 2 of the License, or - *  (at your option) any later version. - * - *  This program is distributed in the hope that it will be useful, - *  but WITHOUT ANY WARRANTY; without even the implied warranty of - *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the - *  GNU General Public License for more details. - * - *  You should have received a copy of the GNU General Public License - *  along with this program; if not, write to the Free Software - *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA - */ - -#ifndef _DES_H -#define _DES_H - -#include <stdint.h> - -typedef struct -{ -    uint32_t esk[32];     /* DES encryption subkeys */ -    uint32_t dsk[32];     /* DES decryption subkeys */ -} -des_context; - -typedef struct -{ -    uint32_t esk[96];     /* Triple-DES encryption subkeys */ -    uint32_t dsk[96];     /* Triple-DES decryption subkeys */ -} -des3_context; - -int  des_set_key( des_context *ctx, uint8_t key[8] ); -void des_encrypt( des_context *ctx, uint8_t input[8], uint8_t output[8] ); -void des_decrypt( des_context *ctx, uint8_t input[8], uint8_t output[8] ); - -int  des3_set_2keys( des3_context *ctx, const uint8_t key1[8], const uint8_t key2[8] ); -int  des3_set_3keys( des3_context *ctx, const uint8_t key1[8], const uint8_t key2[8], -                                        const uint8_t key3[8] ); - -void des3_encrypt( des3_context *ctx, uint8_t input[8], uint8_t output[8] ); -void des3_decrypt( des3_context *ctx, uint8_t input[8], uint8_t output[8] ); - -#endif /* des.h */ diff --git a/lib/ssl_nss.c b/lib/ssl_nss.c index d50620d5..b71d3d2f 100644 --- a/lib/ssl_nss.c +++ b/lib/ssl_nss.c @@ -39,39 +39,46 @@  #include <seccomon.h>  #include <secerr.h>  #include <sslerr.h> +#include <assert.h> +#include <unistd.h>  int ssl_errno = 0;  static gboolean initialized = FALSE; -struct scd -{ +#define SSLDEBUG 0 + +struct scd {  	ssl_input_function func;  	gpointer data;  	int fd; +	char *hostname;  	PRFileDesc *prfd;  	gboolean established;  	gboolean verify;  }; -static gboolean ssl_connected( gpointer data, gint source, b_input_condition cond ); -static gboolean ssl_starttls_real( gpointer data, gint source, b_input_condition cond ); +static gboolean ssl_connected(gpointer data, gint source, +			      b_input_condition cond); +static gboolean ssl_starttls_real(gpointer data, gint source, +				  b_input_condition cond); - -static SECStatus nss_auth_cert (void *arg, PRFileDesc *socket, PRBool checksig, PRBool isserver) +static SECStatus nss_auth_cert(void *arg, PRFileDesc * socket, PRBool checksig, +			       PRBool isserver)  {  	return SECSuccess;  } -static SECStatus nss_bad_cert (void *arg, PRFileDesc *socket)  +static SECStatus nss_bad_cert(void *arg, PRFileDesc * socket)  {  	PRErrorCode err; -	if(!arg) return SECFailure; +	if (!arg) +		return SECFailure; -	*(PRErrorCode *)arg = err = PORT_GetError(); +	*(PRErrorCode *) arg = err = PORT_GetError(); -	switch(err) { +	switch (err) {  	case SEC_ERROR_INVALID_AVA:  	case SEC_ERROR_INVALID_TIME:  	case SEC_ERROR_BAD_SIGNATURE: @@ -93,52 +100,63 @@ static SECStatus nss_bad_cert (void *arg, PRFileDesc *socket)  	}  } - -void ssl_init( void ) +void ssl_init(void)  { -	PR_Init( PR_SYSTEM_THREAD, PR_PRIORITY_NORMAL, 1); +	PR_Init(PR_SYSTEM_THREAD, PR_PRIORITY_NORMAL, 1); +	// https://www.mozilla.org/projects/security/pki/nss/ref/ssl/sslfnc.html#1234224 +	// This NSS function is not intended for use with SSL, which +	// requires that the certificate and key database files be +	// opened. Relates to whole non-verification of servers for now.  	NSS_NoDB_Init(NULL);  	NSS_SetDomesticPolicy();  	initialized = TRUE;  } -void *ssl_connect( char *host, int port, gboolean verify, ssl_input_function func, gpointer data ) +void *ssl_connect(char *host, int port, gboolean verify, +		  ssl_input_function func, gpointer data)  { -	struct scd *conn = g_new0( struct scd, 1 ); -	 -	conn->fd = proxy_connect( host, port, ssl_connected, conn ); +	struct scd *conn = g_new0(struct scd, 1); + +	conn->fd = proxy_connect(host, port, ssl_connected, conn);  	conn->func = func;  	conn->data = data; -	 -	if( conn->fd < 0 ) -	{ -		g_free( conn ); -		return( NULL ); +	conn->hostname = g_strdup(host); + +	if (conn->fd < 0) { +		g_free(conn->hostname); +		g_free(conn); +		return (NULL);  	} -	 -	if( !initialized ) -	{ + +	if (!initialized) {  		ssl_init();  	} -	 -	return( conn ); +	return (conn);  } -static gboolean ssl_starttls_real( gpointer data, gint source, b_input_condition cond ) +static gboolean ssl_starttls_real(gpointer data, gint source, +				  b_input_condition cond)  {  	struct scd *conn = data; -	return ssl_connected( conn, conn->fd, B_EV_IO_WRITE ); +	return ssl_connected(conn, conn->fd, B_EV_IO_WRITE);  } -void *ssl_starttls( int fd, char *hostname, gboolean verify, ssl_input_function func, gpointer data ) +void *ssl_starttls(int fd, char *hostname, gboolean verify, +		   ssl_input_function func, gpointer data)  { -	struct scd *conn = g_new0( struct scd, 1 ); +	struct scd *conn = g_new0(struct scd, 1);  	conn->fd = fd;  	conn->func = func;  	conn->data = data; +	conn->hostname = hostname; + +	/* For now, SSL verification is globally enabled by setting the cafile +	   setting in bitlbee.conf. Commented out by default because probably +	   not everyone has this file in the same place and plenty of folks +	   may not have the cert of their private Jabber server in it. */  	conn->verify = verify && global.conf->cafile;  	/* This function should be called via a (short) timeout instead of @@ -150,108 +168,255 @@ void *ssl_starttls( int fd, char *hostname, gboolean verify, ssl_input_function  	   In short, doing things like this makes the rest of the code a lot  	   simpler. */ -	b_timeout_add( 1, ssl_starttls_real, conn ); +	b_timeout_add(1, ssl_starttls_real, conn);  	return conn;  } -static gboolean ssl_connected( gpointer data, gint source, b_input_condition cond ) +static gboolean ssl_connected(gpointer data, gint source, +			      b_input_condition cond)  {  	struct scd *conn = data; -	 +  	/* Right now we don't have any verification functionality for NSS. */ -	if( conn->verify ) -	{ -		conn->func( conn->data, 1, NULL, cond ); -		if( source >= 0 ) closesocket( source ); -		g_free( conn ); +	if (conn->verify) { +		conn->func(conn->data, 1, NULL, cond); +		if (source >= 0) +			closesocket(source); +		g_free(conn->hostname); +		g_free(conn);  		return FALSE;  	} -	 -	if( source == -1 ) + +	if (source == -1)  		goto ssl_connected_failure; -	 +  	/* Until we find out how to handle non-blocking I/O with NSS... */ -	sock_make_blocking( conn->fd ); -	 +	sock_make_blocking(conn->fd); +  	conn->prfd = SSL_ImportFD(NULL, PR_ImportTCPSocket(source)); +	if (!conn->prfd) +		goto ssl_connected_failure;  	SSL_OptionSet(conn->prfd, SSL_SECURITY, PR_TRUE);  	SSL_OptionSet(conn->prfd, SSL_HANDSHAKE_AS_CLIENT, PR_TRUE); -	SSL_BadCertHook(conn->prfd, (SSLBadCertHandler)nss_bad_cert, NULL); -	SSL_AuthCertificateHook(conn->prfd, (SSLAuthCertificate)nss_auth_cert, (void *)CERT_GetDefaultCertDB()); +	SSL_BadCertHook(conn->prfd, (SSLBadCertHandler) nss_bad_cert, NULL); +	SSL_AuthCertificateHook(conn->prfd, (SSLAuthCertificate) nss_auth_cert, +				(void *)CERT_GetDefaultCertDB()); +	SSL_SetURL(conn->prfd, conn->hostname);  	SSL_ResetHandshake(conn->prfd, PR_FALSE);  	if (SSL_ForceHandshake(conn->prfd)) {  		goto ssl_connected_failure;  	} -	 -	 +  	conn->established = TRUE; -	conn->func( conn->data, 0, conn, cond ); +	conn->func(conn->data, 0, conn, cond);  	return FALSE; -	 -	ssl_connected_failure: -	 -	conn->func( conn->data, 0, NULL, cond ); -	 -	PR_Close( conn -> prfd ); -	if( source >= 0 ) closesocket( source ); -	g_free( conn ); -	 + + ssl_connected_failure: + +	conn->func(conn->data, 0, NULL, cond); + +	if (conn->prfd) +		PR_Close(conn->prfd); +	if (source >= 0) +		closesocket(source); +	g_free(conn->hostname); +	g_free(conn); +  	return FALSE;  } -int ssl_read( void *conn, char *buf, int len ) +int ssl_read(void *conn, char *buf, int len)  { -	if( !((struct scd*)conn)->established ) -		return( 0 ); -	 -	return( PR_Read( ((struct scd*)conn)->prfd, buf, len ) ); +	int st; +	PRErrorCode PR_err; + +	if (!((struct scd *)conn)->established) { +		ssl_errno = SSL_NOHANDSHAKE; +		return -1; +	} + +	st = PR_Read(((struct scd *)conn)->prfd, buf, len); +	PR_err = PR_GetError(); + +	ssl_errno = SSL_OK; +	if (PR_err == PR_WOULD_BLOCK_ERROR) +		ssl_errno = SSL_AGAIN; + +	if (SSLDEBUG && getenv("BITLBEE_DEBUG") && st > 0) +		len = write(STDERR_FILENO, buf, st); + +	return st;  } -int ssl_write( void *conn, const char *buf, int len ) +int ssl_write(void *conn, const char *buf, int len)  { -	if( !((struct scd*)conn)->established ) -		return( 0 ); -	 -	return( PR_Write ( ((struct scd*)conn)->prfd, buf, len ) ); +	int st; +	PRErrorCode PR_err; + +	if (!((struct scd *)conn)->established) { +		ssl_errno = SSL_NOHANDSHAKE; +		return -1; +	} +	st = PR_Write(((struct scd *)conn)->prfd, buf, len); +	PR_err = PR_GetError(); + +	ssl_errno = SSL_OK; +	if (PR_err == PR_WOULD_BLOCK_ERROR) +		ssl_errno = SSL_AGAIN; + +	if (SSLDEBUG && getenv("BITLBEE_DEBUG") && st > 0) +		len = write(2, buf, st); + +	return st;  } -int ssl_pending( void *conn ) +int ssl_pending(void *conn)  { -	struct scd *c = (struct scd *) conn; +	struct scd *c = (struct scd *)conn; -	if( c == NULL ) { +	if (c == NULL) {  		return 0;  	} -	return ( c->established && SSL_DataPending( c->prfd ) > 0 ); +	return (c->established && SSL_DataPending(c->prfd) > 0);  } -void ssl_disconnect( void *conn_ ) +void ssl_disconnect(void *conn_)  {  	struct scd *conn = conn_; -	 -	PR_Close( conn->prfd ); -	closesocket( conn->fd ); -	 -	g_free( conn ); + +	// When we swich to NSS_Init, we should have here +	// NSS_Shutdown(); + +	if (conn->prfd) +		PR_Close(conn->prfd); + +        g_free(conn->hostname); +	g_free(conn);  } -int ssl_getfd( void *conn ) +int ssl_getfd(void *conn)  { -	return( ((struct scd*)conn)->fd ); +	return (((struct scd *)conn)->fd);  } -b_input_condition ssl_getdirection( void *conn ) +b_input_condition ssl_getdirection(void *conn)  {  	/* Just in case someone calls us, let's return the most likely case: */  	return B_EV_IO_READ;  } -char *ssl_verify_strerror( int code ) +char *ssl_verify_strerror(int code) +{ +	return +	    g_strdup +	    ("SSL certificate verification not supported by BitlBee NSS code."); +} + +size_t ssl_des3_encrypt(const unsigned char *key, size_t key_len, +			const unsigned char *input, size_t input_len, +			const unsigned char *iv, unsigned char **res)  { -	return g_strdup( "SSL certificate verification not supported by BitlBee NSS code." ); +#define CIPHER_MECH CKM_DES3_CBC +#define MAX_OUTPUT_LEN 72 + +	int len1; +	unsigned int len2; + +	PK11Context *ctx = NULL; +	PK11SlotInfo *slot = NULL; +	SECItem keyItem; +	SECItem ivItem; +	SECItem *secParam = NULL; +	PK11SymKey *symKey = NULL; + +	size_t rc; +	SECStatus rv; + +	if (!initialized) { +		ssl_init(); +	} + +	keyItem.data = (unsigned char *)key; +	keyItem.len = key_len; + +	slot = PK11_GetBestSlot(CIPHER_MECH, NULL); +	if (slot == NULL) { +		fprintf(stderr, "PK11_GetBestSlot failed (err %d)\n", +			PR_GetError()); +		rc = 0; +		goto out; +	} + +	symKey = +	    PK11_ImportSymKey(slot, CIPHER_MECH, PK11_OriginUnwrap, CKA_ENCRYPT, +			      &keyItem, NULL); +	if (symKey == NULL) { +		fprintf(stderr, "PK11_ImportSymKey failed (err %d)\n", +			PR_GetError()); +		rc = 0; +		goto out; +	} + +	ivItem.data = (unsigned char *)iv; +	/* See msn_soap_passport_sso_handle_response in protocols/msn/soap.c */ +	ivItem.len = 8; + +	secParam = PK11_ParamFromIV(CIPHER_MECH, &ivItem); +	if (secParam == NULL) { +		fprintf(stderr, "PK11_ParamFromIV failed (err %d)\n", +			PR_GetError()); +		rc = 0; +		goto out; +	} + +	ctx = +	    PK11_CreateContextBySymKey(CIPHER_MECH, CKA_ENCRYPT, symKey, +				       secParam); +	if (ctx == NULL) { +		fprintf(stderr, "PK11_CreateContextBySymKey failed (err %d)\n", +			PR_GetError()); +		rc = 0; +		goto out; +	} + +	*res = g_new0(unsigned char, MAX_OUTPUT_LEN); + +	rv = PK11_CipherOp(ctx, *res, &len1, MAX_OUTPUT_LEN, +			   (unsigned char *)input, input_len); +	if (rv != SECSuccess) { +		fprintf(stderr, "PK11_CipherOp failed (err %d)\n", +			PR_GetError()); +		rc = 0; +		goto out; +	} + +	assert(len1 <= MAX_OUTPUT_LEN); + +	rv = PK11_DigestFinal(ctx, *res + len1, &len2, +			      (unsigned int)MAX_OUTPUT_LEN - len1); +	if (rv != SECSuccess) { +		fprintf(stderr, "PK11_DigestFinal failed (err %d)\n", +			PR_GetError()); +		rc = 0; +		goto out; +	} + +	rc = len1 + len2; + + out: +	if (ctx) +		PK11_DestroyContext(ctx, PR_TRUE); +	if (symKey) +		PK11_FreeSymKey(symKey); +	if (secParam) +		SECITEM_FreeItem(secParam, PR_TRUE); +	if (slot) +		PK11_FreeSlot(slot); + +	return rc;  } | 
