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- /* NOCW */
- #include <stdio.h>
- #ifdef _OSD_POSIX
- #ifndef CHARSET_EBCDIC
- #define CHARSET_EBCDIC 1
- #endif
- #endif
- #ifdef CHARSET_EBCDIC
- #include <openssl/ebcdic.h>
- #endif
- /* This version of crypt has been developed from my MIT compatible
- * DES library.
- * Eric Young (eay@cryptsoft.com)
- */
- /* Modification by Jens Kupferschmidt (Cu)
- * I have included directive PARA for shared memory computers.
- * I have included a directive LONGCRYPT to using this routine to cipher
- * passwords with more then 8 bytes like HP-UX 10.x it used. The MAXPLEN
- * definition is the maximum of length of password and can changed. I have
- * defined 24.
- */
- #include "des_locl.h"
- /* Added more values to handle illegal salt values the way normal
- * crypt() implementations do. The patch was sent by
- * Bjorn Gronvall <bg@sics.se>
- */
- static unsigned const char con_salt[128]={
- 0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,
- 0xDA,0xDB,0xDC,0xDD,0xDE,0xDF,0xE0,0xE1,
- 0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,
- 0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,
- 0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,
- 0xFA,0xFB,0xFC,0xFD,0xFE,0xFF,0x00,0x01,
- 0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,
- 0x0A,0x0B,0x05,0x06,0x07,0x08,0x09,0x0A,
- 0x0B,0x0C,0x0D,0x0E,0x0F,0x10,0x11,0x12,
- 0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1A,
- 0x1B,0x1C,0x1D,0x1E,0x1F,0x20,0x21,0x22,
- 0x23,0x24,0x25,0x20,0x21,0x22,0x23,0x24,
- 0x25,0x26,0x27,0x28,0x29,0x2A,0x2B,0x2C,
- 0x2D,0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,
- 0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,0x3C,
- 0x3D,0x3E,0x3F,0x40,0x41,0x42,0x43,0x44,
- };
- static unsigned const char cov_2char[64]={
- 0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,0x35,
- 0x36,0x37,0x38,0x39,0x41,0x42,0x43,0x44,
- 0x45,0x46,0x47,0x48,0x49,0x4A,0x4B,0x4C,
- 0x4D,0x4E,0x4F,0x50,0x51,0x52,0x53,0x54,
- 0x55,0x56,0x57,0x58,0x59,0x5A,0x61,0x62,
- 0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A,
- 0x6B,0x6C,0x6D,0x6E,0x6F,0x70,0x71,0x72,
- 0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A
- };
- char *DES_crypt(const char *buf, const char *salt)
- {
- static char buff[14];
- #ifndef CHARSET_EBCDIC
- return(DES_fcrypt(buf,salt,buff));
- #else
- char e_salt[2+1];
- char e_buf[32+1]; /* replace 32 by 8 ? */
- char *ret;
- /* Copy at most 2 chars of salt */
- if ((e_salt[0] = salt[0]) != '\0')
- e_salt[1] = salt[1];
- /* Copy at most 32 chars of password */
- strncpy (e_buf, buf, sizeof(e_buf));
- /* Make sure we have a delimiter */
- e_salt[sizeof(e_salt)-1] = e_buf[sizeof(e_buf)-1] = '\0';
- /* Convert the e_salt to ASCII, as that's what DES_fcrypt works on */
- ebcdic2ascii(e_salt, e_salt, sizeof e_salt);
- /* Convert the cleartext password to ASCII */
- ebcdic2ascii(e_buf, e_buf, sizeof e_buf);
- /* Encrypt it (from/to ASCII) */
- ret = DES_fcrypt(e_buf,e_salt,buff);
- /* Convert the result back to EBCDIC */
- ascii2ebcdic(ret, ret, strlen(ret));
-
- return ret;
- #endif
- }
- char *DES_fcrypt(const char *buf, const char *salt, char *ret)
- {
- unsigned int i,j,x,y;
- DES_LONG Eswap0,Eswap1;
- DES_LONG out[2],ll;
- DES_cblock key;
- DES_key_schedule ks;
- unsigned char bb[9];
- unsigned char *b=bb;
- unsigned char c,u;
- /* eay 25/08/92
- * If you call crypt("pwd","*") as often happens when you
- * have * as the pwd field in /etc/passwd, the function
- * returns *\0XXXXXXXXX
- * The \0 makes the string look like * so the pwd "*" would
- * crypt to "*". This was found when replacing the crypt in
- * our shared libraries. People found that the disabled
- * accounts effectively had no passwd :-(. */
- #ifndef CHARSET_EBCDIC
- x=ret[0]=((salt[0] == '\0')?'A':salt[0]);
- Eswap0=con_salt[x]<<2;
- x=ret[1]=((salt[1] == '\0')?'A':salt[1]);
- Eswap1=con_salt[x]<<6;
- #else
- x=ret[0]=((salt[0] == '\0')?os_toascii['A']:salt[0]);
- Eswap0=con_salt[x]<<2;
- x=ret[1]=((salt[1] == '\0')?os_toascii['A']:salt[1]);
- Eswap1=con_salt[x]<<6;
- #endif
- /* EAY
- r=strlen(buf);
- r=(r+7)/8;
- */
- for (i=0; i<8; i++)
- {
- c= *(buf++);
- if (!c) break;
- key[i]=(c<<1);
- }
- for (; i<8; i++)
- key[i]=0;
- DES_set_key_unchecked(&key,&ks);
- fcrypt_body(&(out[0]),&ks,Eswap0,Eswap1);
- ll=out[0]; l2c(ll,b);
- ll=out[1]; l2c(ll,b);
- y=0;
- u=0x80;
- bb[8]=0;
- for (i=2; i<13; i++)
- {
- c=0;
- for (j=0; j<6; j++)
- {
- c<<=1;
- if (bb[y] & u) c|=1;
- u>>=1;
- if (!u)
- {
- y++;
- u=0x80;
- }
- }
- ret[i]=cov_2char[c];
- }
- ret[13]='\0';
- return(ret);
- }
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