X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fdes%2Ffcrypt.c;h=0c7484ce1297f66323c5fc68d9cfb2595f215f90;hp=db27108a327bf66cdd09bb25eb0a4cd8205ce976;hb=732c5a6b928f10de4d6ca0394f49e9938a47a93b;hpb=a9be3af5ad4836f7e50f0546311ca90c717b861e diff --git a/crypto/des/fcrypt.c b/crypto/des/fcrypt.c index db27108a32..0c7484ce12 100644 --- a/crypto/des/fcrypt.c +++ b/crypto/des/fcrypt.c @@ -1,138 +1,168 @@ /* NOCW */ #include +#ifdef _OSD_POSIX +# ifndef CHARSET_EBCDIC +# define CHARSET_EBCDIC 1 +# endif +#endif +#ifdef CHARSET_EBCDIC +# include +#endif -/* This version of crypt has been developed from my MIT compatable - * DES library. - * The library is available at pub/Crypto/DES at ftp.psy.uq.oz.au - * Eric Young (eay@cryptsoft.com) +/* + * 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 lenght of password and can changed. I have - * defined 24. +/* + * 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 #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 +/* + * Added more values to handle illegal salt values the way normal crypt() + * implementations do. The patch was sent by Bjorn Gronvall */ -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 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 +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 }; -void fcrypt_body(DES_LONG *out,des_key_schedule ks, - DES_LONG Eswap0, DES_LONG Eswap1); +char *DES_crypt(const char *buf, const char *salt) +{ + static char buff[14]; -#if defined(PERL5) || defined(__FreeBSD__) -char *des_crypt(const char *buf,const char *salt); +#ifndef CHARSET_EBCDIC + return (DES_fcrypt(buf, salt, buff)); #else -char *crypt(const char *buf,const char *salt); + 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 -#if defined(PERL5) || defined(__FreeBSD__) -char *des_crypt(const char *buf, const char *salt) +} + +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 -char *crypt(const char *buf, const char *salt) + 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 - { - static char buff[14]; - - return(des_fcrypt(buf,salt,buff)); - } - - -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 disbled - * accounts effectivly had no passwd :-(. */ - 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; - -/* 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(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); - } + /* + * 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); +}