diff -r -C 2 -N admutil/Makefile admutil-tcfs-2.0/Makefile *** admutil/Makefile Sat Nov 2 15:03:17 1996 --- admutil-tcfs-2.0/Makefile Fri Feb 21 10:13:09 1997 *************** *** 12,21 **** LOGDIR = /var/log # Add -DNO_PATHS_H if you don't have (old libs & includes...) ! CFLAGS = -Wall -O2 -I. -DSBINDIR=\"$(SBINDIR)\" -DLOGDIR=\"$(LOGDIR)\" ! LDFLAGS = -s USRBIN = last chsh passwd newgrp shutdown su ctrlaltdel PRGS = ${USRBIN} ! OBJS = last.o chsh.o passwd.o newgrp.o shutdown.o su.o ctrlaltdel.o \ islocal.o LIBS = --- 12,24 ---- LOGDIR = /var/log + # Comment out those line is you have TCFS + TCFS = -DHAVE_TCFS -Itcfs + # Add -DNO_PATHS_H if you don't have (old libs & includes...) ! CFLAGS = -g -O2 -I. -DSBINDIR=\"$(SBINDIR)\" -DLOGDIR=\"$(LOGDIR)\" $(TCFS) ! LDFLAGS = -g USRBIN = last chsh passwd newgrp shutdown su ctrlaltdel PRGS = ${USRBIN} ! OBJS = tcfsencode.o tcfsdecode.o gettcfskey.o des.o last.o chsh.o passwd.o newgrp.o shutdown.o su.o ctrlaltdel.o \ islocal.o LIBS = *************** *** 52,56 **** chsh: chsh.o islocal.o ! passwd: passwd.o islocal.o setpwnam.o clean: --- 55,59 ---- chsh: chsh.o islocal.o ! passwd: passwd.o islocal.o setpwnam.o gettcfskey.o tcfsencode.o des.o tcfsdecode.o clean: diff -r -C 2 -N admutil/des.c admutil-tcfs-2.0/des.c *** admutil/des.c Thu Jan 1 01:00:00 1970 --- admutil-tcfs-2.0/des.c Thu Feb 20 14:48:54 1997 *************** *** 0 **** --- 1,586 ---- + /* + * T.C.F.S. 2.0 Alpha 1 + * + * This program handles RPC "NFS" data requests + * adopting a secure transfer protocol. + * This is an unsecure and unchecked version, + * use at your own risk. + * + * Please, report Bugs to: + * + * Authors: Giuseppe Cattaneo, + * Giuseppe Persiano, + * Andrea Cozzolino, + * Angelo Celentano, + * Aniello Del Sorbo, + * Ermelindo Mauriello, + * Raffaele Pisapia, + * + * Permission to use, copy, and modify this software without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software and in all copies of the supporting + * documentation for such software. + * + * This software is distribuited under the GNU General Public + * License (version 2, June 1991). Check the file 'COPYING' for + * more infos. Some parts of this software derive from the NFS + * implementation in the Linux kernel 2.0.x. + * + * This software maybe be used for any purpose provided the above + * copyright notice is retained. It is supplied as is, with no + * warranty expressed or implied. + * + */ + + /* -+-_== */ + + /* Copyright (C) 1992 Eric Young - see COPYING for more details */ + /* Collected and modified by Werner Almesberger */ + + #include + + + /* from des.h */ + + #define _ ks._ + + /* from des_local.h */ + + #define ITERATIONS 16 + + #define c2l(c,l) (l =((unsigned long)(*((c)++))) , \ + l|=((unsigned long)(*((c)++)))<< 8, \ + l|=((unsigned long)(*((c)++)))<<16, \ + l|=((unsigned long)(*((c)++)))<<24) + + + #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ + *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ + *((c)++)=(unsigned char)(((l)>>16)&0xff), \ + *((c)++)=(unsigned char)(((l)>>24)&0xff)) + + /* from spr.h */ + + static unsigned long des_SPtrans[8][64]={ + /* nibble 0 */ + {0x00820200, 0x00020000, 0x80800000, 0x80820200, + 0x00800000, 0x80020200, 0x80020000, 0x80800000, + 0x80020200, 0x00820200, 0x00820000, 0x80000200, + 0x80800200, 0x00800000, 0x00000000, 0x80020000, + 0x00020000, 0x80000000, 0x00800200, 0x00020200, + 0x80820200, 0x00820000, 0x80000200, 0x00800200, + 0x80000000, 0x00000200, 0x00020200, 0x80820000, + 0x00000200, 0x80800200, 0x80820000, 0x00000000, + 0x00000000, 0x80820200, 0x00800200, 0x80020000, + 0x00820200, 0x00020000, 0x80000200, 0x00800200, + 0x80820000, 0x00000200, 0x00020200, 0x80800000, + 0x80020200, 0x80000000, 0x80800000, 0x00820000, + 0x80820200, 0x00020200, 0x00820000, 0x80800200, + 0x00800000, 0x80000200, 0x80020000, 0x00000000, + 0x00020000, 0x00800000, 0x80800200, 0x00820200, + 0x80000000, 0x80820000, 0x00000200, 0x80020200}, + + /* nibble 1 */ + {0x10042004, 0x00000000, 0x00042000, 0x10040000, + 0x10000004, 0x00002004, 0x10002000, 0x00042000, + 0x00002000, 0x10040004, 0x00000004, 0x10002000, + 0x00040004, 0x10042000, 0x10040000, 0x00000004, + 0x00040000, 0x10002004, 0x10040004, 0x00002000, + 0x00042004, 0x10000000, 0x00000000, 0x00040004, + 0x10002004, 0x00042004, 0x10042000, 0x10000004, + 0x10000000, 0x00040000, 0x00002004, 0x10042004, + 0x00040004, 0x10042000, 0x10002000, 0x00042004, + 0x10042004, 0x00040004, 0x10000004, 0x00000000, + 0x10000000, 0x00002004, 0x00040000, 0x10040004, + 0x00002000, 0x10000000, 0x00042004, 0x10002004, + 0x10042000, 0x00002000, 0x00000000, 0x10000004, + 0x00000004, 0x10042004, 0x00042000, 0x10040000, + 0x10040004, 0x00040000, 0x00002004, 0x10002000, + 0x10002004, 0x00000004, 0x10040000, 0x00042000}, + + /* nibble 2 */ + {0x41000000, 0x01010040, 0x00000040, 0x41000040, + 0x40010000, 0x01000000, 0x41000040, 0x00010040, + 0x01000040, 0x00010000, 0x01010000, 0x40000000, + 0x41010040, 0x40000040, 0x40000000, 0x41010000, + 0x00000000, 0x40010000, 0x01010040, 0x00000040, + 0x40000040, 0x41010040, 0x00010000, 0x41000000, + 0x41010000, 0x01000040, 0x40010040, 0x01010000, + 0x00010040, 0x00000000, 0x01000000, 0x40010040, + 0x01010040, 0x00000040, 0x40000000, 0x00010000, + 0x40000040, 0x40010000, 0x01010000, 0x41000040, + 0x00000000, 0x01010040, 0x00010040, 0x41010000, + 0x40010000, 0x01000000, 0x41010040, 0x40000000, + 0x40010040, 0x41000000, 0x01000000, 0x41010040, + 0x00010000, 0x01000040, 0x41000040, 0x00010040, + 0x01000040, 0x00000000, 0x41010000, 0x40000040, + 0x41000000, 0x40010040, 0x00000040, 0x01010000}, + + /* nibble 3 */ + {0x00100402, 0x04000400, 0x00000002, 0x04100402, + 0x00000000, 0x04100000, 0x04000402, 0x00100002, + 0x04100400, 0x04000002, 0x04000000, 0x00000402, + 0x04000002, 0x00100402, 0x00100000, 0x04000000, + 0x04100002, 0x00100400, 0x00000400, 0x00000002, + 0x00100400, 0x04000402, 0x04100000, 0x00000400, + 0x00000402, 0x00000000, 0x00100002, 0x04100400, + 0x04000400, 0x04100002, 0x04100402, 0x00100000, + 0x04100002, 0x00000402, 0x00100000, 0x04000002, + 0x00100400, 0x04000400, 0x00000002, 0x04100000, + 0x04000402, 0x00000000, 0x00000400, 0x00100002, + 0x00000000, 0x04100002, 0x04100400, 0x00000400, + 0x04000000, 0x04100402, 0x00100402, 0x00100000, + 0x04100402, 0x00000002, 0x04000400, 0x00100402, + 0x00100002, 0x00100400, 0x04100000, 0x04000402, + 0x00000402, 0x04000000, 0x04000002, 0x04100400}, + + /* nibble 4 */ + {0x02000000, 0x00004000, 0x00000100, 0x02004108, + 0x02004008, 0x02000100, 0x00004108, 0x02004000, + 0x00004000, 0x00000008, 0x02000008, 0x00004100, + 0x02000108, 0x02004008, 0x02004100, 0x00000000, + 0x00004100, 0x02000000, 0x00004008, 0x00000108, + 0x02000100, 0x00004108, 0x00000000, 0x02000008, + 0x00000008, 0x02000108, 0x02004108, 0x00004008, + 0x02004000, 0x00000100, 0x00000108, 0x02004100, + 0x02004100, 0x02000108, 0x00004008, 0x02004000, + 0x00004000, 0x00000008, 0x02000008, 0x02000100, + 0x02000000, 0x00004100, 0x02004108, 0x00000000, + 0x00004108, 0x02000000, 0x00000100, 0x00004008, + 0x02000108, 0x00000100, 0x00000000, 0x02004108, + 0x02004008, 0x02004100, 0x00000108, 0x00004000, + 0x00004100, 0x02004008, 0x02000100, 0x00000108, + 0x00000008, 0x00004108, 0x02004000, 0x02000008}, + + /* nibble 5 */ + {0x20000010, 0x00080010, 0x00000000, 0x20080800, + 0x00080010, 0x00000800, 0x20000810, 0x00080000, + 0x00000810, 0x20080810, 0x00080800, 0x20000000, + 0x20000800, 0x20000010, 0x20080000, 0x00080810, + 0x00080000, 0x20000810, 0x20080010, 0x00000000, + 0x00000800, 0x00000010, 0x20080800, 0x20080010, + 0x20080810, 0x20080000, 0x20000000, 0x00000810, + 0x00000010, 0x00080800, 0x00080810, 0x20000800, + 0x00000810, 0x20000000, 0x20000800, 0x00080810, + 0x20080800, 0x00080010, 0x00000000, 0x20000800, + 0x20000000, 0x00000800, 0x20080010, 0x00080000, + 0x00080010, 0x20080810, 0x00080800, 0x00000010, + 0x20080810, 0x00080800, 0x00080000, 0x20000810, + 0x20000010, 0x20080000, 0x00080810, 0x00000000, + 0x00000800, 0x20000010, 0x20000810, 0x20080800, + 0x20080000, 0x00000810, 0x00000010, 0x20080010}, + + /* nibble 6 */ + {0x00001000, 0x00000080, 0x00400080, 0x00400001, + 0x00401081, 0x00001001, 0x00001080, 0x00000000, + 0x00400000, 0x00400081, 0x00000081, 0x00401000, + 0x00000001, 0x00401080, 0x00401000, 0x00000081, + 0x00400081, 0x00001000, 0x00001001, 0x00401081, + 0x00000000, 0x00400080, 0x00400001, 0x00001080, + 0x00401001, 0x00001081, 0x00401080, 0x00000001, + 0x00001081, 0x00401001, 0x00000080, 0x00400000, + 0x00001081, 0x00401000, 0x00401001, 0x00000081, + 0x00001000, 0x00000080, 0x00400000, 0x00401001, + 0x00400081, 0x00001081, 0x00001080, 0x00000000, + 0x00000080, 0x00400001, 0x00000001, 0x00400080, + 0x00000000, 0x00400081, 0x00400080, 0x00001080, + 0x00000081, 0x00001000, 0x00401081, 0x00400000, + 0x00401080, 0x00000001, 0x00001001, 0x00401081, + 0x00400001, 0x00401080, 0x00401000, 0x00001001}, + + /* nibble 7 */ + {0x08200020, 0x08208000, 0x00008020, 0x00000000, + 0x08008000, 0x00200020, 0x08200000, 0x08208020, + 0x00000020, 0x08000000, 0x00208000, 0x00008020, + 0x00208020, 0x08008020, 0x08000020, 0x08200000, + 0x00008000, 0x00208020, 0x00200020, 0x08008000, + 0x08208020, 0x08000020, 0x00000000, 0x00208000, + 0x08000000, 0x00200000, 0x08008020, 0x08200020, + 0x00200000, 0x00008000, 0x08208000, 0x00000020, + 0x00200000, 0x00008000, 0x08000020, 0x08208020, + 0x00008020, 0x08000000, 0x00000000, 0x00208000, + 0x08200020, 0x08008020, 0x08008000, 0x00200020, + 0x08208000, 0x00000020, 0x00200020, 0x08008000, + 0x08208020, 0x00200000, 0x08200000, 0x08000020, + 0x00208000, 0x00008020, 0x08008020, 0x08200000, + 0x00000020, 0x08208000, 0x00208020, 0x00000000, + 0x08000000, 0x08200020, 0x00008000, 0x00208020}}; + + /* from sk.h */ + + static unsigned long des_skb[8][64]={ + /* for C bits (numbered as per FIPS 46) 1 2 3 4 5 6 */ + {0x00000000,0x00000010,0x20000000,0x20000010, + 0x00010000,0x00010010,0x20010000,0x20010010, + 0x00000800,0x00000810,0x20000800,0x20000810, + 0x00010800,0x00010810,0x20010800,0x20010810, + 0x00000020,0x00000030,0x20000020,0x20000030, + 0x00010020,0x00010030,0x20010020,0x20010030, + 0x00000820,0x00000830,0x20000820,0x20000830, + 0x00010820,0x00010830,0x20010820,0x20010830, + 0x00080000,0x00080010,0x20080000,0x20080010, + 0x00090000,0x00090010,0x20090000,0x20090010, + 0x00080800,0x00080810,0x20080800,0x20080810, + 0x00090800,0x00090810,0x20090800,0x20090810, + 0x00080020,0x00080030,0x20080020,0x20080030, + 0x00090020,0x00090030,0x20090020,0x20090030, + 0x00080820,0x00080830,0x20080820,0x20080830, + 0x00090820,0x00090830,0x20090820,0x20090830}, + /* for C bits (numbered as per FIPS 46) 7 8 10 11 12 13 */ + {0x00000000,0x02000000,0x00002000,0x02002000, + 0x00200000,0x02200000,0x00202000,0x02202000, + 0x00000004,0x02000004,0x00002004,0x02002004, + 0x00200004,0x02200004,0x00202004,0x02202004, + 0x00000400,0x02000400,0x00002400,0x02002400, + 0x00200400,0x02200400,0x00202400,0x02202400, + 0x00000404,0x02000404,0x00002404,0x02002404, + 0x00200404,0x02200404,0x00202404,0x02202404, + 0x10000000,0x12000000,0x10002000,0x12002000, + 0x10200000,0x12200000,0x10202000,0x12202000, + 0x10000004,0x12000004,0x10002004,0x12002004, + 0x10200004,0x12200004,0x10202004,0x12202004, + 0x10000400,0x12000400,0x10002400,0x12002400, + 0x10200400,0x12200400,0x10202400,0x12202400, + 0x10000404,0x12000404,0x10002404,0x12002404, + 0x10200404,0x12200404,0x10202404,0x12202404}, + /* for C bits (numbered as per FIPS 46) 14 15 16 17 19 20 */ + {0x00000000,0x00000001,0x00040000,0x00040001, + 0x01000000,0x01000001,0x01040000,0x01040001, + 0x00000002,0x00000003,0x00040002,0x00040003, + 0x01000002,0x01000003,0x01040002,0x01040003, + 0x00000200,0x00000201,0x00040200,0x00040201, + 0x01000200,0x01000201,0x01040200,0x01040201, + 0x00000202,0x00000203,0x00040202,0x00040203, + 0x01000202,0x01000203,0x01040202,0x01040203, + 0x08000000,0x08000001,0x08040000,0x08040001, + 0x09000000,0x09000001,0x09040000,0x09040001, + 0x08000002,0x08000003,0x08040002,0x08040003, + 0x09000002,0x09000003,0x09040002,0x09040003, + 0x08000200,0x08000201,0x08040200,0x08040201, + 0x09000200,0x09000201,0x09040200,0x09040201, + 0x08000202,0x08000203,0x08040202,0x08040203, + 0x09000202,0x09000203,0x09040202,0x09040203}, + /* for C bits (numbered as per FIPS 46) 21 23 24 26 27 28 */ + {0x00000000,0x00100000,0x00000100,0x00100100, + 0x00000008,0x00100008,0x00000108,0x00100108, + 0x00001000,0x00101000,0x00001100,0x00101100, + 0x00001008,0x00101008,0x00001108,0x00101108, + 0x04000000,0x04100000,0x04000100,0x04100100, + 0x04000008,0x04100008,0x04000108,0x04100108, + 0x04001000,0x04101000,0x04001100,0x04101100, + 0x04001008,0x04101008,0x04001108,0x04101108, + 0x00020000,0x00120000,0x00020100,0x00120100, + 0x00020008,0x00120008,0x00020108,0x00120108, + 0x00021000,0x00121000,0x00021100,0x00121100, + 0x00021008,0x00121008,0x00021108,0x00121108, + 0x04020000,0x04120000,0x04020100,0x04120100, + 0x04020008,0x04120008,0x04020108,0x04120108, + 0x04021000,0x04121000,0x04021100,0x04121100, + 0x04021008,0x04121008,0x04021108,0x04121108}, + /* for D bits (numbered as per FIPS 46) 1 2 3 4 5 6 */ + {0x00000000,0x10000000,0x00010000,0x10010000, + 0x00000004,0x10000004,0x00010004,0x10010004, + 0x20000000,0x30000000,0x20010000,0x30010000, + 0x20000004,0x30000004,0x20010004,0x30010004, + 0x00100000,0x10100000,0x00110000,0x10110000, + 0x00100004,0x10100004,0x00110004,0x10110004, + 0x20100000,0x30100000,0x20110000,0x30110000, + 0x20100004,0x30100004,0x20110004,0x30110004, + 0x00001000,0x10001000,0x00011000,0x10011000, + 0x00001004,0x10001004,0x00011004,0x10011004, + 0x20001000,0x30001000,0x20011000,0x30011000, + 0x20001004,0x30001004,0x20011004,0x30011004, + 0x00101000,0x10101000,0x00111000,0x10111000, + 0x00101004,0x10101004,0x00111004,0x10111004, + 0x20101000,0x30101000,0x20111000,0x30111000, + 0x20101004,0x30101004,0x20111004,0x30111004}, + /* for D bits (numbered as per FIPS 46) 8 9 11 12 13 14 */ + {0x00000000,0x08000000,0x00000008,0x08000008, + 0x00000400,0x08000400,0x00000408,0x08000408, + 0x00020000,0x08020000,0x00020008,0x08020008, + 0x00020400,0x08020400,0x00020408,0x08020408, + 0x00000001,0x08000001,0x00000009,0x08000009, + 0x00000401,0x08000401,0x00000409,0x08000409, + 0x00020001,0x08020001,0x00020009,0x08020009, + 0x00020401,0x08020401,0x00020409,0x08020409, + 0x02000000,0x0A000000,0x02000008,0x0A000008, + 0x02000400,0x0A000400,0x02000408,0x0A000408, + 0x02020000,0x0A020000,0x02020008,0x0A020008, + 0x02020400,0x0A020400,0x02020408,0x0A020408, + 0x02000001,0x0A000001,0x02000009,0x0A000009, + 0x02000401,0x0A000401,0x02000409,0x0A000409, + 0x02020001,0x0A020001,0x02020009,0x0A020009, + 0x02020401,0x0A020401,0x02020409,0x0A020409}, + /* for D bits (numbered as per FIPS 46) 16 17 18 19 20 21 */ + {0x00000000,0x00000100,0x00080000,0x00080100, + 0x01000000,0x01000100,0x01080000,0x01080100, + 0x00000010,0x00000110,0x00080010,0x00080110, + 0x01000010,0x01000110,0x01080010,0x01080110, + 0x00200000,0x00200100,0x00280000,0x00280100, + 0x01200000,0x01200100,0x01280000,0x01280100, + 0x00200010,0x00200110,0x00280010,0x00280110, + 0x01200010,0x01200110,0x01280010,0x01280110, + 0x00000200,0x00000300,0x00080200,0x00080300, + 0x01000200,0x01000300,0x01080200,0x01080300, + 0x00000210,0x00000310,0x00080210,0x00080310, + 0x01000210,0x01000310,0x01080210,0x01080310, + 0x00200200,0x00200300,0x00280200,0x00280300, + 0x01200200,0x01200300,0x01280200,0x01280300, + 0x00200210,0x00200310,0x00280210,0x00280310, + 0x01200210,0x01200310,0x01280210,0x01280310}, + /* for D bits (numbered as per FIPS 46) 22 23 24 25 27 28 */ + {0x00000000,0x04000000,0x00040000,0x04040000, + 0x00000002,0x04000002,0x00040002,0x04040002, + 0x00002000,0x04002000,0x00042000,0x04042000, + 0x00002002,0x04002002,0x00042002,0x04042002, + 0x00000020,0x04000020,0x00040020,0x04040020, + 0x00000022,0x04000022,0x00040022,0x04040022, + 0x00002020,0x04002020,0x00042020,0x04042020, + 0x00002022,0x04002022,0x00042022,0x04042022, + 0x00000800,0x04000800,0x00040800,0x04040800, + 0x00000802,0x04000802,0x00040802,0x04040802, + 0x00002800,0x04002800,0x00042800,0x04042800, + 0x00002802,0x04002802,0x00042802,0x04042802, + 0x00000820,0x04000820,0x00040820,0x04040820, + 0x00000822,0x04000822,0x00040822,0x04040822, + 0x00002820,0x04002820,0x00042820,0x04042820, + 0x00002822,0x04002822,0x00042822,0x04042822} + }; + + /* from ecb_encrypt.c */ + + #define PERM_OP(a,b,t,n,m) ((t)=((((a)>>(n))^(b))&(m)),\ + (b)^=(t),\ + (a)=((a)^((t)<<(n)))) + + #define HPERM_OP(a,t,n,m) ((t)=((((a)<<(16-(n)))^(a))&(m)),\ + (a)=(a)^(t)^(t>>(16-(n)))) + + static char shifts2[16]={0,0,1,1,1,1,1,1,0,1,1,1,1,1,1,0}; + + + /* The changes to this macro may help or hinder, depending on the + * compiler and the achitecture. gcc2 always seems to do well :-). + * Inspired by Dana How + * DO NOT use the alternative version on machines with 8 byte longs. */ + #ifdef ALT_ECB + #define D_ENCRYPT(L,R,S) \ + u=((R^s[S ])<<2); \ + t= R^s[S+1]; \ + t=((t>>2)+(t<<30)); \ + L^= \ + *(unsigned long *)(des_SP+0x0100+((t )&0xfc))+ \ + *(unsigned long *)(des_SP+0x0300+((t>> 8)&0xfc))+ \ + *(unsigned long *)(des_SP+0x0500+((t>>16)&0xfc))+ \ + *(unsigned long *)(des_SP+0x0700+((t>>24)&0xfc))+ \ + *(unsigned long *)(des_SP+ ((u )&0xfc))+ \ + *(unsigned long *)(des_SP+0x0200+((u>> 8)&0xfc))+ \ + *(unsigned long *)(des_SP+0x0400+((u>>16)&0xfc))+ \ + *(unsigned long *)(des_SP+0x0600+((u>>24)&0xfc)); + #else /* original version */ + #define D_ENCRYPT(L,R,S) \ + u=(R^s[S ]); \ + t=R^s[S+1]; \ + t=((t>>4)+(t<<28)); \ + L^= des_SPtrans[1][(t )&0x3f]| \ + des_SPtrans[3][(t>> 8)&0x3f]| \ + des_SPtrans[5][(t>>16)&0x3f]| \ + des_SPtrans[7][(t>>24)&0x3f]| \ + des_SPtrans[0][(u )&0x3f]| \ + des_SPtrans[2][(u>> 8)&0x3f]| \ + des_SPtrans[4][(u>>16)&0x3f]| \ + des_SPtrans[6][(u>>24)&0x3f]; + #endif + + /* IP and FP + * The problem is more of a geometric problem that random bit fiddling. + 0 1 2 3 4 5 6 7 62 54 46 38 30 22 14 6 + 8 9 10 11 12 13 14 15 60 52 44 36 28 20 12 4 + 16 17 18 19 20 21 22 23 58 50 42 34 26 18 10 2 + 24 25 26 27 28 29 30 31 to 56 48 40 32 24 16 8 0 + + 32 33 34 35 36 37 38 39 63 55 47 39 31 23 15 7 + 40 41 42 43 44 45 46 47 61 53 45 37 29 21 13 5 + 48 49 50 51 52 53 54 55 59 51 43 35 27 19 11 3 + 56 57 58 59 60 61 62 63 57 49 41 33 25 17 9 1 + + The output has been subject to swaps of the form + 0 1 -> 3 1 but the odd and even bits have been put into + 2 3 2 0 + different words. The main trick is to remember that + t=((l>>size)^r)&(mask); + r^=t; + l^=(t< + * for pointing this out. */ + t=(r<<1)|(r>>31); + r=(l<<1)|(l>>31); + l=t; + + /* clear the top bits on machines with 8byte longs */ + l&=0xffffffff; + r&=0xffffffff; + + s=(unsigned long *)ks; + /* I don't know if it is worth the effort of loop unrolling the + * inner loop */ + if (encrypt) + { + for (i=0; i<32; i+=4) + { + D_ENCRYPT(l,r,i+0); /* 1 */ + D_ENCRYPT(r,l,i+2); /* 2 */ + } + } + else + { + for (i=30; i>0; i-=4) + { + D_ENCRYPT(l,r,i-0); /* 16 */ + D_ENCRYPT(r,l,i-2); /* 15 */ + } + } + l=(l>>1)|(l<<31); + r=(r>>1)|(r<<31); + /* clear the top bits on machines with 8byte longs */ + l&=0xffffffff; + r&=0xffffffff; + + /* swap l and r + * we will not do the swap so just remember they are + * reversed for the rest of the subroutine + * luckily FP fixes this problem :-) */ + + PERM_OP(r,l,t, 1,0x55555555); + PERM_OP(l,r,t, 8,0x00ff00ff); + PERM_OP(r,l,t, 2,0x33333333); + PERM_OP(l,r,t,16,0x0000ffff); + PERM_OP(r,l,t, 4,0x0f0f0f0f); + + output[0]=l; + output[1]=r; + } + + int des_ecb_encrypt(des_cblock *input,des_cblock *output,des_key_schedule ks, + int encrypt) + { + register unsigned long l0,l1; + register unsigned char *in,*out; + unsigned long ll[2]; + + in=(unsigned char *)input; + out=(unsigned char *)output; + c2l(in,l0); + c2l(in,l1); + ll[0]=l0; + ll[1]=l1; + des_encrypt(ll,ll,ks,encrypt); + l0=ll[0]; + l1=ll[1]; + l2c(l0,out); + l2c(l1,out); + return(0); + } + + /* from set_key.c */ + + void des_set_key(des_cblock *key,des_key_schedule schedule) + { + register unsigned long c,d,t,s; + register unsigned char *in; + register unsigned long *k; + register int i; + + k=(unsigned long *)schedule; + in=(unsigned char *)key; + + c2l(in,c); + c2l(in,d); + + /* I now do it in 47 simple operations :-) + * Thanks to John Fletcher (john_fletcher@lccmail.ocf.llnl.gov) + * for the inspiration. :-) */ + PERM_OP (d,c,t,4,0x0f0f0f0f); + HPERM_OP(c,t,-2,0xcccc0000); + HPERM_OP(d,t,-2,0xcccc0000); + PERM_OP (d,c,t,1,0x55555555); + PERM_OP (c,d,t,8,0x00ff00ff); + PERM_OP (d,c,t,1,0x55555555); + d= (((d&0x000000ff)<<16)| (d&0x0000ff00) | + ((d&0x00ff0000)>>16)|((c&0xf0000000)>>4)); + c&=0x0fffffff; + + for (i=0; i>2)|(c<<26)); d=((d>>2)|(d<<26)); } + else + { c=((c>>1)|(c<<27)); d=((d>>1)|(d<<27)); } + c&=0x0fffffff; + d&=0x0fffffff; + /* could be a few less shifts but I am to lazy at this + * point in time to investigate */ + s= des_skb[0][ (c )&0x3f ]| + des_skb[1][((c>> 6)&0x03)|((c>> 7)&0x3c)]| + des_skb[2][((c>>13)&0x0f)|((c>>14)&0x30)]| + des_skb[3][((c>>20)&0x01)|((c>>21)&0x06) | + ((c>>22)&0x38)]; + t= des_skb[4][ (d )&0x3f ]| + des_skb[5][((d>> 7)&0x03)|((d>> 8)&0x3c)]| + des_skb[6][ (d>>15)&0x3f ]| + des_skb[7][((d>>21)&0x0f)|((d>>22)&0x30)]; + + /* table contained 0213 4657 */ + *(k++)=((t<<16)|(s&0x0000ffff))&0xffffffff; + s= ((s>>16)|(t&0xffff0000)); + + s=(s<<4)|(s>>28); + *(k++)=s&0xffffffff; + } + } diff -r -C 2 -N admutil/gettcfskey.c admutil-tcfs-2.0/gettcfskey.c *** admutil/gettcfskey.c Thu Jan 1 01:00:00 1970 --- admutil-tcfs-2.0/gettcfskey.c Fri Feb 21 10:16:54 1997 *************** *** 0 **** --- 1,94 ---- + /* + * T.C.F.S. v. 2.0 + * + * gettcfskey Get TCFS User key + * + * Authors: Giuseppe Cattaneo, + * Giuseppe Persiano, + * Andrea Cozzolino, + * Angelo Celentano, + * Aniello Del Sorbo, + * Ermelindo Mauriello, + * Raffaele Pisapia, + * + * Permission to use, copy, and modify this software without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software and in all copies of the supporting + * documentation for such software. + * + * This software maybe be used for any purpose provided + * the above copyright notice is retained. It is supplied + * as is, with no warranty expressed or implied. + * + */ + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + + #include "linux/kdes.h" + #include "defines.h" + + char *gettcfskey (char *login) + { + FILE *tcfspf; + int lockfd; + char lockname[30]; + static char *token[2]; + + strcpy (lockname, TCFSPWDFILE); + strcat (lockname, ".lock"); + + if ((lockfd=open(lockname, O_RDONLY))!=-1) + { + fprintf (stderr, "\nWARNING: tcfs passwd locked!\n"); + exit (1); + } + else + if ((lockfd=open(lockname, O_CREAT))<0) + { + perror ("tcfslogin"); + exit (1); + } + + if ((tcfspf=fopen(TCFSPWDFILE, "r"))==NULL) + { + perror ("tcfslogin"); + exit (1); + } + + while (!feof(tcfspf)) + { + int i; + char *line; + + line=(char*)calloc(25,sizeof(char)); + + fgets (line, 25, tcfspf); + if (feof(tcfspf)) + break; + token[0]=strtok(line, ":"); + token[1]=line+strlen(token[0])+1; + if (strcmp(login, token[0])==0) + { + fclose (tcfspf); + close (lockfd); + unlink (lockname); + return token[1]; + } + free (line); + } + + fclose (tcfspf); + close (lockfd); + unlink (lockname); + return (NULL); + } + diff -r -C 2 -N admutil/passwd.1 admutil-tcfs-2.0/passwd.1 *** admutil/passwd.1 Sun Nov 19 14:43:22 1995 --- admutil-tcfs-2.0/passwd.1 Fri Feb 21 10:45:53 1997 *************** *** 50,53 **** --- 50,59 ---- password with will be logged with auth.warning. + If the user whose password is going to be changed is a + .B TCFS + user, then his + .B TCFS + key will be reencrypted using the new password. + .SH OPTIONS .TP *************** *** 100,107 **** .BR syslog (3), .BR syslog.conf (5), ! .BR passwd (8). .SH AUTHOR Peter Orbaek (poe@daimi.aau.dk). .br Martin Schulze (joey@infodrom.north.de) with extensive rewriting and improving done. --- 106,122 ---- .BR syslog (3), .BR syslog.conf (5), ! .BR passwd (8), ! .BR tcfslogin (1), ! .BR tcfslogout (1), ! .BR tcfsgenkey (1). .SH AUTHOR Peter Orbaek (poe@daimi.aau.dk). + .br Martin Schulze (joey@infodrom.north.de) with extensive rewriting and improving done. + + .br + Aniello Del Sorbo (anidel@mikonos.dia.unisa.it) had patched it for + .B TCFS. + diff -r -C 2 -N admutil/passwd.c admutil-tcfs-2.0/passwd.c *** admutil/passwd.c Mon Jan 27 16:54:59 1997 --- admutil-tcfs-2.0/passwd.c Fri Feb 21 10:24:54 1997 *************** *** 41,44 **** --- 41,69 ---- /* + * T.C.F.S. v. 2.0 + * + * passwd.c - change password on an account + * + * Authors: Giuseppe Cattaneo, + * Giuseppe Persiano, + * Andrea Cozzolino, + * Angelo Celentano, + * Aniello Del Sorbo, + * Ermelindo Mauriello, + * Raffaele Pisapia, + * + * Permission to use, copy, and modify this software without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software and in all copies of the supporting + * documentation for such software. + * + * This software maybe be used for any purpose provided + * the above copyright notice is retained. It is supplied + * as is, with no warranty expressed or implied. + * + */ + + /* * Usage: passwd [username [password]] * Only root may use the one and two argument forms. *************** *** 76,79 **** --- 101,112 ---- #endif /* LOGALL */ + #ifdef HAVE_TCFS + #include + #include "tcfscode.h" + #include "tcfsgenkey.h" + #include "defines.h" + #include "kdes.h" + #endif + extern int is_local(char *); /* islocal.c */ extern int setpwnam(struct passwd *); /* setpwnam.c */ *************** *** 231,234 **** --- 264,278 ---- int opt_index; int fullname = 0, shell = 0; + + #ifdef HAVE_TCFS + char *key; + char tcfspwdold[1024]; + FILE *fp, *tcfstmp, *tcfspwd; + int r; + des_key_schedule ks; + char *tcfskey; + struct stat buf; + #endif + static const struct option long_options[] = { *************** *** 300,304 **** --- 344,368 ---- exit (1); } else + { user = argv[optind]; + #ifdef HAVE_TCFS + if(!(pe = getpwnam(user))) { + pexit("Can't find username anywhere. Is `%s' really a user?", user); + } + + if ((tcfskey=gettcfskey (user))!=NULL) + { + printf ("WARNING: User has a TCFS key\n"); + printf ("WARNING: In order to change his password you have to know the old passwd\n"); + oldstr = getpass("Enter old user password: "); + if(strncmp(pe->pw_passwd, crypt(oldstr, pe->pw_passwd), 13)) + { + puts("Illegal password, imposter."); + exit(1); + } + strncpy (tcfspwdold, oldstr, strlen (oldstr)); + } + } + #endif break; case 2: *************** *** 309,313 **** --- 373,397 ---- user = argv[optind]; pwdstr = argv[optind+1]; + + #ifdef HAVE_TCFS + if(!(pe = getpwnam(user))) { + pexit("Can't find username anywhere. Is `%s' really a user?", user); + } + + if ((tcfskey=gettcfskey (user))!=NULL) + { + printf ("WARNING: User has a TCFS key\n"); + printf ("WARNING: In order to change his password you have to know the old passwd\n"); + oldstr = getpass("Enter old user password: "); + if(strncmp(pe->pw_passwd, crypt(oldstr, pe->pw_passwd), 13)) + { + puts("Illegal password, imposter."); + exit(1); + } + strncpy (tcfspwdold, oldstr, strlen (oldstr)); + } } + #endif + break; default: *************** *** 341,344 **** --- 425,431 ---- exit(1); } + #ifdef HAVE_TCFS + strncpy (tcfspwdold, oldstr, strlen (oldstr)); + #endif } *************** *** 348,352 **** } else { /* password not set on command line by root, ask for it ... */ ! redo_it: pwdstr = getpass("Enter new password: "); --- 435,440 ---- } else { /* password not set on command line by root, ask for it ... */ ! ! redo_it: pwdstr = getpass("Enter new password: "); *************** *** 390,393 **** --- 478,546 ---- #endif /* LOGALL */ + #ifdef HAVE_TCFS + /* TCFS stuff here*/ + if(access("/etc/tcfstmp", 0) == 0) + { + puts("/etc/tcfstmp exists, can't update key file"); + exit(1); + } + + if(!(tcfstmp = fopen("/etc/tcfstmp", "w"))) + { + puts("Can't open /etc/tcfstmp, can't update key file"); + exit(1); + } + + tcfspwd=fopen (TCFSPWDFILE, "r"); + tcfskey = gettcfskey (user); + stat (TCFSPWDFILE, &buf); + + while (!feof(tcfspwd)) + { + char *buff; + + buff=(char*)malloc(buf.st_size); + fgets (buff, buf.st_size, tcfspwd); + + if (feof(tcfspwd)) + break; + + if (strncmp(buff, user, strlen(user))!=0) + fwrite (buff, 1, strlen(buff), tcfstmp); + else + { + int len; + + key= tcfs_decode (tcfskey, &len); + + if (strlen (tcfspwdold)<8) + strncat (tcfspwdold, tcfspwdold, 10-strlen(tcfspwdold)); + + des_set_key ((des_cblock *)tcfspwdold, ks); + des_ecb_encrypt ((des_cblock *)key, (des_cblock *)key, ks, DES_DECRYPT); + + if (strlen (pwdstr)<8) + strncat (pwdstr, pwdstr, 128-strlen(pwdstr)); + + des_set_key ((des_cblock *)pwdstr, ks); + des_ecb_encrypt ((des_cblock *)key, (des_cblock *)key, ks, DES_ENCRYPT); + + key= tcfs_encode(key, strlen (key)); + + fprintf (tcfstmp, "%s:%s", user, key); + fprintf (tcfstmp, "\n"); + } + } + + sprintf (tcfspwdold, "%s.OLD", TCFSPWDFILE); + unlink(tcfspwdold); + link(TCFSPWDFILE, tcfspwdold); + unlink(TCFSPWDFILE); + link("/etc/tcfstmp", TCFSPWDFILE); + unlink("/etc/tcfstmp"); + chmod(TCFSPWDFILE, 0644); + /* End TCFS stuff */ + #endif /* HAVE_TCFS */ + pe->pw_passwd = cryptstr; #ifdef DEBUG *************** *** 395,401 **** #else if (setpwnam( pe ) < 0) { ! perror( "setpwnam" ); ! printf( "Password *NOT* changed. Try again later.\n" ); ! exit( 1 ); } #endif --- 548,554 ---- #else if (setpwnam( pe ) < 0) { ! perror( "setpwnam" ); ! printf( "Password *NOT* changed. Try again later.\n" ); ! exit( 1 ); } #endif diff -r -C 2 -N admutil/tcfs/defines.h admutil-tcfs-2.0/tcfs/defines.h *** admutil/tcfs/defines.h Thu Jan 1 01:00:00 1970 --- admutil-tcfs-2.0/tcfs/defines.h Tue Feb 18 15:28:00 1997 *************** *** 0 **** --- 1,51 ---- + /* + * TCFS v. 2.0 + * + * Authors: Giuseppe Cattaneo, + * Giuseppe Persiano, + * Andrea Cozzolino, + * Angelo Celentano, + * Aniello Del Sorbo, + * Ermelindo Mauriello, + * Raffaele Pisapia, + * + * Permission to use, copy, and modify this software without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software and in all copies of the supporting + * documentation for such software. + * + * This software maybe be used for any purpose provided + * the above copyright notice is retained. It is supplied + * as is, with no warranty expressed or implied. + * + */ + + #ifndef DEFINES_H + #define DEFINES_H + + #ifndef KEYSIZE + #define KEYSIZE 8 + #endif + + #ifndef DESMETHOD + #define DESMETHOD 1 + #endif + + #ifndef D3DES + #define D3DES 0 + #endif + + #ifndef TCFSPWDFILE + #define TCFSPWDFILE "/etc/tcfspasswd" + #endif + + #ifndef TCFSBAKFILE + #define TCFSBAKFILE "/etc/tcfspasswd.bak" + #endif + + #define LOGIN_LEN 20 + #define USERKEY_LEN 14 + #define GROUPKEY_LEN 32 + + #endif diff -r -C 2 -N admutil/tcfs/kdes.h admutil-tcfs-2.0/tcfs/kdes.h *** admutil/tcfs/kdes.h Thu Jan 1 01:00:00 1970 --- admutil-tcfs-2.0/tcfs/kdes.h Tue Feb 18 15:09:51 1997 *************** *** 0 **** --- 1,114 ---- + /* + * T.C.F.S. 2.0 Alpha 1 + * + * This program handles RPC "NFS" data requests + * adopting a secure transfer protocol. + * This is an unsecure and unchecked version, + * use at your own risk. + * + * Please, report Bugs to: + * + * Authors: Giuseppe Cattaneo, + * Giuseppe Persiano, + * Andrea Cozzolino, + * Angelo Celentano, + * Aniello Del Sorbo, + * Ermelindo Mauriello, + * Raffaele Pisapia, + * + * Permission to use, copy, and modify this software without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software and in all copies of the supporting + * documentation for such software. + * + * This software is distribuited under the GNU General Public + * License (version 2, June 1991). Check the file 'COPING' for + * more infos. Some parts of this software derive from the NFS + * implementation in the Linux kernel 2.0.x. + * + * This software maybe be used for any purpose provided the above + * copyright notice is retained. It is supplied as is, with no + * warranty expressed or implied. + * + */ + + /* -+-_== */ + + /* + * T.C.F.S. 2.0 $Revision: 1.1 $ + * + * This program handles RPC "TCFS" data requests + * adopting a secure transfer protocol. + * + * Authors: Giuseppe Cattaneo, + * Giuseppe Persiano, + * Andrea Cozzolino, + * Angelo Celentano, + * Aniello Del Sorbo, + * Ermelindo Mauriello, + * Raffaele Pisapia, + * + * Permission to use, copy, and modify this software without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software and in all copies of the supporting + * documentation for such software. + * + * This software maybe be used for any purpose provided + * the above copyright notice is retained. It is supplied + * as is, with no warranty expressed or implied. + * + */ + + /* + * $Source: /usr/src/tcfs-current/RCS/des.h,v $ + * $State: Exp $ + * + * $Revision: 1.1 $ + * $Author: andcoz $ + * $Date: 1996/09/18 13:21:34 $ + * $Locker: ermmau $ + */ + + /* + * $Log: des.h,v $ + * Revision 1.1 1996/09/18 13:21:34 andcoz + * Initial revision + * + * + */ + + /* -+-_== */ + + + #ifndef _LINUX_DES_H + #define _LINUX_DES_H + + /* Copyright (C) 1992 Eric Young - see COPYING for more details */ + /* Collected and modified by Werner Almesberger */ + + #define DES_AVAILABLE + + /* from des.h */ + + typedef unsigned char des_cblock[8]; + typedef struct des_ks_struct + { + union { + des_cblock _; + /* make sure things are correct size on machines with + * 8 byte longs */ + unsigned long pad[2]; + } ks; + /* #define _ ks._ */ + } des_key_schedule[16]; + + #define DES_ENCRYPT 1 + #define DES_DECRYPT 0 + + int des_ecb_encrypt(des_cblock *input,des_cblock *output,des_key_schedule ks, + int encrypt); + void des_set_key(des_cblock *key,des_key_schedule schedule); + + #endif diff -r -C 2 -N admutil/tcfs/tcfscode.h admutil-tcfs-2.0/tcfs/tcfscode.h *** admutil/tcfs/tcfscode.h Thu Jan 1 01:00:00 1970 --- admutil-tcfs-2.0/tcfs/tcfscode.h Tue Feb 18 15:17:12 1997 *************** *** 0 **** --- 1,40 ---- + /* + * T.C.F.S. 2.1 + * + * This program handles RPC "NFS" data requests + * adopting a secure transfer protocol. + * This is an unsecure and unchecked version, + * use at your own risk. + * + * Please, report Bugs to: + * + * Authors: Giuseppe Cattaneo, + * Giuseppe Persiano, + * Andrea Cozzolino, + * Angelo Celentano, + * Aniello Del Sorbo, + * Ermelindo Mauriello, + * Raffaele Pisapia, + * + * Permission to use, copy, and modify this software without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software and in all copies of the supporting + * documentation for such software. + * + * This software is distribuited under the GNU General Public + * License (version 2, June 1991). Check the file 'COPING' for + * more infos. Some parts of this software derive from the NFS + * implementation in the Linux kernel 2.0.x. + * + * This software maybe be used for any purpose provided the above + * copyright notice is retained. It is supplied as is, with no + * warranty expressed or implied. + * + */ + + /* -+-_== */ + + + char *tcfs_encode(char *, int); + char *tcfs_decode(char *, int *); diff -r -C 2 -N admutil/tcfs/tcfsgenkey.h admutil-tcfs-2.0/tcfs/tcfsgenkey.h *** admutil/tcfs/tcfsgenkey.h Thu Jan 1 01:00:00 1970 --- admutil-tcfs-2.0/tcfs/tcfsgenkey.h Fri Feb 21 10:15:16 1997 *************** *** 0 **** --- 1,40 ---- + /* + * T.C.F.S. 2.0 + * + * This program handles RPC "NFS" data requests + * adopting a secure transfer protocol. + * This is an unsecure and unchecked version, + * use at your own risk. + * + * Please, report Bugs to: + * + * Authors: Giuseppe Cattaneo, + * Giuseppe Persiano, + * Andrea Cozzolino, + * Angelo Celentano, + * Aniello Del Sorbo, + * Ermelindo Mauriello, + * Raffaele Pisapia, + * + * Permission to use, copy, and modify this software without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software and in all copies of the supporting + * documentation for such software. + * + * This software is distribuited under the GNU General Public + * License (version 2, June 1991). Check the file 'COPYING' for + * more infos. Some parts of this software derive from the NFS + * implementation in the Linux kernel 2.0.x. + * + * This software maybe be used for any purpose provided the above + * copyright notice is retained. It is supplied as is, with no + * warranty expressed or implied. + * + */ + + /* -+-_== */ + + + extern char *gendeskey(void); + char *gettcfskey (char *); diff -r -C 2 -N admutil/tcfsdecode.c admutil-tcfs-2.0/tcfsdecode.c *** admutil/tcfsdecode.c Thu Jan 1 01:00:00 1970 --- admutil-tcfs-2.0/tcfsdecode.c Fri Feb 21 10:19:29 1997 *************** *** 0 **** --- 1,153 ---- + /* + * T.C.F.S. v. 2.0 + * + * + * Authors: Giuseppe Cattaneo, + * Giuseppe Persiano, + * Andrea Cozzolino, + * Angelo Celentano, + * Aniello Del Sorbo, + * Ermelindo Mauriello, + * Raffaele Pisapia, + * + * Permission to use, copy, and modify this software without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software and in all copies of the supporting + * documentation for such software. + * + * This software maybe be used for any purpose provided + * the above copyright notice is retained. It is supplied + * as is, with no warranty expressed or implied. + * + */ + /* This is part of the UUDECODE utility. It's copyright belongs from + Free Software Fondations as reported just below */ + + /* Copyright (c) 1983 Regents of the University of California. + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. All advertising materials mentioning features or use of this software + must display the following acknowledgement: + This product includes software developed by the University of + California, Berkeley and its contributors. + 4. Neither the name of the University nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + SUCH DAMAGE. */ + + /* Reworked to GNU style by Ian Lance Taylor, ian@airs.com, August 93. */ + + #include + + #define DEC(Char) (((Char) - ' ') & 077) + + char *tcfs_decode (char *buf, int *len) + { + static const char b64_tab[256] = + { + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*000-007*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*010-017*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*020-027*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*030-037*/ + '\177', '\177', '\177', '\77', '\177', '\177', '\177', '\177', /*040-047*/ + '\177', '\177', '\177', '\76', '\177', '\177', '\177', '\177', /*050-057*/ + '\64', '\65', '\66', '\67', '\70', '\71', '\72', '\73', /*060-067*/ + '\74', '\75', '\177', '\177', '\177', '\100', '\177', '\177', /*070-077*/ + '\177', '\0', '\1', '\2', '\3', '\4', '\5', '\6', /*100-107*/ + '\7', '\10', '\11', '\12', '\13', '\14', '\15', '\16', /*110-117*/ + '\17', '\20', '\21', '\22', '\23', '\24', '\25', '\26', /*120-127*/ + '\27', '\30', '\31', '\177', '\177', '\177', '\177', '\177', /*130-137*/ + '\177', '\32', '\33', '\34', '\35', '\36', '\37', '\40', /*140-147*/ + '\41', '\42', '\43', '\44', '\45', '\46', '\47', '\50', /*150-157*/ + '\51', '\52', '\53', '\54', '\55', '\56', '\57', '\60', /*160-167*/ + '\61', '\62', '\63', '\177', '\177', '\177', '\177', '\177', /*170-177*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*200-207*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*210-217*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*220-227*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*230-237*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*240-247*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*250-257*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*260-267*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*270-277*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*300-307*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*310-317*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*320-327*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*330-337*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*340-347*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*350-357*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*360-367*/ + '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*370-377*/ + }; + char *bufret; + int n,i=0; + char *p=buf; + + n=strlen(buf); + *len=n; + bufret=(char*) calloc (n, sizeof (char)); + + /* The following implementation of the base64 decoding might look + a bit clumsy but I only try to follow the POSIX standard: + ``All line breaks or other characters not found in the table + [with base64 characters] shall be ignored by decoding + software.'' */ + + while (*p!='=') + { + char c1, c2, c3; + + while ((b64_tab[(int)*p] & '\100') != 0) + p++; + + c1=b64_tab[(int)*p++]; + + while ((b64_tab[(int)*p] & '\100') !=0 ) + p++; + + c2=b64_tab[(int)*p++]; + + while (b64_tab[(int)*p] == '\177') + p++; + + if (*p == '=') + { + *(bufret+i++)= (c1<<2 | c2>>4); + break; + } + + c3=b64_tab[(int)*p++]; + + while (b64_tab[(int)*p] == '\177') + p++; + + *(bufret+i++)= (c1<<2 | c2>>4); + *(bufret+i++)= (c2<<4 | c3>>2); + + if (*p == '=') + break; + else + *(bufret+i++)= (c3<<6|b64_tab[(int)*p++]); + } + + return bufret; + } diff -r -C 2 -N admutil/tcfsencode.c admutil-tcfs-2.0/tcfsencode.c *** admutil/tcfsencode.c Thu Jan 1 01:00:00 1970 --- admutil-tcfs-2.0/tcfsencode.c Fri Feb 21 10:17:27 1997 *************** *** 0 **** --- 1,103 ---- + /* + * T.C.F.S. v. 2.0 + * + * Authors: Giuseppe Cattaneo, + * Giuseppe Persiano, + * Andrea Cozzolino, + * Angelo Celentano, + * Aniello Del Sorbo, + * Ermelindo Mauriello, + * Raffaele Pisapia, + * + * Permission to use, copy, and modify this software without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software and in all copies of the supporting + * documentation for such software. + * + * This software maybe be used for any purpose provided + * the above copyright notice is retained. It is supplied + * as is, with no warranty expressed or implied. + * + */ + /* This is part of the UUENCODE utility. It's copyright belongs from + Free Software Fondations as reported just below */ + + /* Copyright (c) 1983 Regents of the University of California. + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. All advertising materials mentioning features or use of this software + must display the following acknowledgement: + This product includes software developed by the University of + California, Berkeley and its contributors. + 4. Neither the name of the University nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + SUCH DAMAGE. */ + + /* Reworked to GNU style by Ian Lance Taylor, ian@airs.com, August 93. */ + + #include + + const char uu_base64[64] = + { + 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', + 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', + 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', + 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', + 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', + 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', + 'w', 'x', 'y', 'z', '0', '1', '2', '3', + '4', '5', '6', '7', '8', '9', '+', '#' + }; + + #define ENC(Char) (uu_base64[(Char) & 077]) + + char *tcfs_encode (char *buffer, int len) + { + int ch, n,i=0,j,end=2+4*(len/3+((len%3)?1:0)); + char *p; + char *bufret; + + bufret = (char *) calloc (end, sizeof(char)); + n = len; + + for (p=buffer,j=0;j> 2; + ch = ENC (ch); + *(bufret+i++)=ch; + ch = ((*p << 4) & 060) | ((p[1] >> 4) & 017); + ch = ENC (ch); + *(bufret+i++)=ch; + ch = ((p[1] << 2) & 074) | ((p[2] >> 6) & 03); + ch = ENC (ch); + *(bufret+i++)=ch; + ch = p[2] & 077; + ch = ENC (ch); + *(bufret+i++)=ch; + } + + *(bufret+i)='='; + *(bufret+i+1)='\0'; + return bufret; + }