1*0Sstevel@tonic-gate /* NOCW */ 2*0Sstevel@tonic-gate #include <stdio.h> 3*0Sstevel@tonic-gate #ifdef _OSD_POSIX 4*0Sstevel@tonic-gate #ifndef CHARSET_EBCDIC 5*0Sstevel@tonic-gate #define CHARSET_EBCDIC 1 6*0Sstevel@tonic-gate #endif 7*0Sstevel@tonic-gate #endif 8*0Sstevel@tonic-gate #ifdef CHARSET_EBCDIC 9*0Sstevel@tonic-gate #include <openssl/ebcdic.h> 10*0Sstevel@tonic-gate #endif 11*0Sstevel@tonic-gate 12*0Sstevel@tonic-gate /* This version of crypt has been developed from my MIT compatible 13*0Sstevel@tonic-gate * DES library. 14*0Sstevel@tonic-gate * Eric Young (eay@cryptsoft.com) 15*0Sstevel@tonic-gate */ 16*0Sstevel@tonic-gate 17*0Sstevel@tonic-gate /* Modification by Jens Kupferschmidt (Cu) 18*0Sstevel@tonic-gate * I have included directive PARA for shared memory computers. 19*0Sstevel@tonic-gate * I have included a directive LONGCRYPT to using this routine to cipher 20*0Sstevel@tonic-gate * passwords with more then 8 bytes like HP-UX 10.x it used. The MAXPLEN 21*0Sstevel@tonic-gate * definition is the maximum of length of password and can changed. I have 22*0Sstevel@tonic-gate * defined 24. 23*0Sstevel@tonic-gate */ 24*0Sstevel@tonic-gate 25*0Sstevel@tonic-gate #include "des_locl.h" 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Added more values to handle illegal salt values the way normal 28*0Sstevel@tonic-gate * crypt() implementations do. The patch was sent by 29*0Sstevel@tonic-gate * Bjorn Gronvall <bg@sics.se> 30*0Sstevel@tonic-gate */ 31*0Sstevel@tonic-gate static unsigned const char con_salt[128]={ 32*0Sstevel@tonic-gate 0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9, 33*0Sstevel@tonic-gate 0xDA,0xDB,0xDC,0xDD,0xDE,0xDF,0xE0,0xE1, 34*0Sstevel@tonic-gate 0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9, 35*0Sstevel@tonic-gate 0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1, 36*0Sstevel@tonic-gate 0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9, 37*0Sstevel@tonic-gate 0xFA,0xFB,0xFC,0xFD,0xFE,0xFF,0x00,0x01, 38*0Sstevel@tonic-gate 0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09, 39*0Sstevel@tonic-gate 0x0A,0x0B,0x05,0x06,0x07,0x08,0x09,0x0A, 40*0Sstevel@tonic-gate 0x0B,0x0C,0x0D,0x0E,0x0F,0x10,0x11,0x12, 41*0Sstevel@tonic-gate 0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1A, 42*0Sstevel@tonic-gate 0x1B,0x1C,0x1D,0x1E,0x1F,0x20,0x21,0x22, 43*0Sstevel@tonic-gate 0x23,0x24,0x25,0x20,0x21,0x22,0x23,0x24, 44*0Sstevel@tonic-gate 0x25,0x26,0x27,0x28,0x29,0x2A,0x2B,0x2C, 45*0Sstevel@tonic-gate 0x2D,0x2E,0x2F,0x30,0x31,0x32,0x33,0x34, 46*0Sstevel@tonic-gate 0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,0x3C, 47*0Sstevel@tonic-gate 0x3D,0x3E,0x3F,0x40,0x41,0x42,0x43,0x44, 48*0Sstevel@tonic-gate }; 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate static unsigned const char cov_2char[64]={ 51*0Sstevel@tonic-gate 0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,0x35, 52*0Sstevel@tonic-gate 0x36,0x37,0x38,0x39,0x41,0x42,0x43,0x44, 53*0Sstevel@tonic-gate 0x45,0x46,0x47,0x48,0x49,0x4A,0x4B,0x4C, 54*0Sstevel@tonic-gate 0x4D,0x4E,0x4F,0x50,0x51,0x52,0x53,0x54, 55*0Sstevel@tonic-gate 0x55,0x56,0x57,0x58,0x59,0x5A,0x61,0x62, 56*0Sstevel@tonic-gate 0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A, 57*0Sstevel@tonic-gate 0x6B,0x6C,0x6D,0x6E,0x6F,0x70,0x71,0x72, 58*0Sstevel@tonic-gate 0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A 59*0Sstevel@tonic-gate }; 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate void fcrypt_body(DES_LONG *out,DES_key_schedule *ks, 62*0Sstevel@tonic-gate DES_LONG Eswap0, DES_LONG Eswap1); 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate char *DES_crypt(const char *buf, const char *salt) 65*0Sstevel@tonic-gate { 66*0Sstevel@tonic-gate static char buff[14]; 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate #ifndef CHARSET_EBCDIC 69*0Sstevel@tonic-gate return(DES_fcrypt(buf,salt,buff)); 70*0Sstevel@tonic-gate #else 71*0Sstevel@tonic-gate char e_salt[2+1]; 72*0Sstevel@tonic-gate char e_buf[32+1]; /* replace 32 by 8 ? */ 73*0Sstevel@tonic-gate char *ret; 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate /* Copy at most 2 chars of salt */ 76*0Sstevel@tonic-gate if ((e_salt[0] = salt[0]) != '\0') 77*0Sstevel@tonic-gate e_salt[1] = salt[1]; 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate /* Copy at most 32 chars of password */ 80*0Sstevel@tonic-gate strncpy (e_buf, buf, sizeof(e_buf)); 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate /* Make sure we have a delimiter */ 83*0Sstevel@tonic-gate e_salt[sizeof(e_salt)-1] = e_buf[sizeof(e_buf)-1] = '\0'; 84*0Sstevel@tonic-gate 85*0Sstevel@tonic-gate /* Convert the e_salt to ASCII, as that's what DES_fcrypt works on */ 86*0Sstevel@tonic-gate ebcdic2ascii(e_salt, e_salt, sizeof e_salt); 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate /* Convert the cleartext password to ASCII */ 89*0Sstevel@tonic-gate ebcdic2ascii(e_buf, e_buf, sizeof e_buf); 90*0Sstevel@tonic-gate 91*0Sstevel@tonic-gate /* Encrypt it (from/to ASCII) */ 92*0Sstevel@tonic-gate ret = DES_fcrypt(e_buf,e_salt,buff); 93*0Sstevel@tonic-gate 94*0Sstevel@tonic-gate /* Convert the result back to EBCDIC */ 95*0Sstevel@tonic-gate ascii2ebcdic(ret, ret, strlen(ret)); 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate return ret; 98*0Sstevel@tonic-gate #endif 99*0Sstevel@tonic-gate } 100*0Sstevel@tonic-gate 101*0Sstevel@tonic-gate 102*0Sstevel@tonic-gate char *DES_fcrypt(const char *buf, const char *salt, char *ret) 103*0Sstevel@tonic-gate { 104*0Sstevel@tonic-gate unsigned int i,j,x,y; 105*0Sstevel@tonic-gate DES_LONG Eswap0,Eswap1; 106*0Sstevel@tonic-gate DES_LONG out[2],ll; 107*0Sstevel@tonic-gate DES_cblock key; 108*0Sstevel@tonic-gate DES_key_schedule ks; 109*0Sstevel@tonic-gate unsigned char bb[9]; 110*0Sstevel@tonic-gate unsigned char *b=bb; 111*0Sstevel@tonic-gate unsigned char c,u; 112*0Sstevel@tonic-gate 113*0Sstevel@tonic-gate /* eay 25/08/92 114*0Sstevel@tonic-gate * If you call crypt("pwd","*") as often happens when you 115*0Sstevel@tonic-gate * have * as the pwd field in /etc/passwd, the function 116*0Sstevel@tonic-gate * returns *\0XXXXXXXXX 117*0Sstevel@tonic-gate * The \0 makes the string look like * so the pwd "*" would 118*0Sstevel@tonic-gate * crypt to "*". This was found when replacing the crypt in 119*0Sstevel@tonic-gate * our shared libraries. People found that the disabled 120*0Sstevel@tonic-gate * accounts effectively had no passwd :-(. */ 121*0Sstevel@tonic-gate #ifndef CHARSET_EBCDIC 122*0Sstevel@tonic-gate x=ret[0]=((salt[0] == '\0')?'A':salt[0]); 123*0Sstevel@tonic-gate Eswap0=con_salt[x]<<2; 124*0Sstevel@tonic-gate x=ret[1]=((salt[1] == '\0')?'A':salt[1]); 125*0Sstevel@tonic-gate Eswap1=con_salt[x]<<6; 126*0Sstevel@tonic-gate #else 127*0Sstevel@tonic-gate x=ret[0]=((salt[0] == '\0')?os_toascii['A']:salt[0]); 128*0Sstevel@tonic-gate Eswap0=con_salt[x]<<2; 129*0Sstevel@tonic-gate x=ret[1]=((salt[1] == '\0')?os_toascii['A']:salt[1]); 130*0Sstevel@tonic-gate Eswap1=con_salt[x]<<6; 131*0Sstevel@tonic-gate #endif 132*0Sstevel@tonic-gate 133*0Sstevel@tonic-gate /* EAY 134*0Sstevel@tonic-gate r=strlen(buf); 135*0Sstevel@tonic-gate r=(r+7)/8; 136*0Sstevel@tonic-gate */ 137*0Sstevel@tonic-gate for (i=0; i<8; i++) 138*0Sstevel@tonic-gate { 139*0Sstevel@tonic-gate c= *(buf++); 140*0Sstevel@tonic-gate if (!c) break; 141*0Sstevel@tonic-gate key[i]=(c<<1); 142*0Sstevel@tonic-gate } 143*0Sstevel@tonic-gate for (; i<8; i++) 144*0Sstevel@tonic-gate key[i]=0; 145*0Sstevel@tonic-gate 146*0Sstevel@tonic-gate DES_set_key_unchecked(&key,&ks); 147*0Sstevel@tonic-gate fcrypt_body(&(out[0]),&ks,Eswap0,Eswap1); 148*0Sstevel@tonic-gate 149*0Sstevel@tonic-gate ll=out[0]; l2c(ll,b); 150*0Sstevel@tonic-gate ll=out[1]; l2c(ll,b); 151*0Sstevel@tonic-gate y=0; 152*0Sstevel@tonic-gate u=0x80; 153*0Sstevel@tonic-gate bb[8]=0; 154*0Sstevel@tonic-gate for (i=2; i<13; i++) 155*0Sstevel@tonic-gate { 156*0Sstevel@tonic-gate c=0; 157*0Sstevel@tonic-gate for (j=0; j<6; j++) 158*0Sstevel@tonic-gate { 159*0Sstevel@tonic-gate c<<=1; 160*0Sstevel@tonic-gate if (bb[y] & u) c|=1; 161*0Sstevel@tonic-gate u>>=1; 162*0Sstevel@tonic-gate if (!u) 163*0Sstevel@tonic-gate { 164*0Sstevel@tonic-gate y++; 165*0Sstevel@tonic-gate u=0x80; 166*0Sstevel@tonic-gate } 167*0Sstevel@tonic-gate } 168*0Sstevel@tonic-gate ret[i]=cov_2char[c]; 169*0Sstevel@tonic-gate } 170*0Sstevel@tonic-gate ret[13]='\0'; 171*0Sstevel@tonic-gate return(ret); 172*0Sstevel@tonic-gate } 173*0Sstevel@tonic-gate 174