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
DES_crypt(const char * buf,const char * salt)61*0Sstevel@tonic-gate char *DES_crypt(const char *buf, const char *salt)
62*0Sstevel@tonic-gate {
63*0Sstevel@tonic-gate static char buff[14];
64*0Sstevel@tonic-gate
65*0Sstevel@tonic-gate #ifndef CHARSET_EBCDIC
66*0Sstevel@tonic-gate return(DES_fcrypt(buf,salt,buff));
67*0Sstevel@tonic-gate #else
68*0Sstevel@tonic-gate char e_salt[2+1];
69*0Sstevel@tonic-gate char e_buf[32+1]; /* replace 32 by 8 ? */
70*0Sstevel@tonic-gate char *ret;
71*0Sstevel@tonic-gate
72*0Sstevel@tonic-gate /* Copy at most 2 chars of salt */
73*0Sstevel@tonic-gate if ((e_salt[0] = salt[0]) != '\0')
74*0Sstevel@tonic-gate e_salt[1] = salt[1];
75*0Sstevel@tonic-gate
76*0Sstevel@tonic-gate /* Copy at most 32 chars of password */
77*0Sstevel@tonic-gate strncpy (e_buf, buf, sizeof(e_buf));
78*0Sstevel@tonic-gate
79*0Sstevel@tonic-gate /* Make sure we have a delimiter */
80*0Sstevel@tonic-gate e_salt[sizeof(e_salt)-1] = e_buf[sizeof(e_buf)-1] = '\0';
81*0Sstevel@tonic-gate
82*0Sstevel@tonic-gate /* Convert the e_salt to ASCII, as that's what DES_fcrypt works on */
83*0Sstevel@tonic-gate ebcdic2ascii(e_salt, e_salt, sizeof e_salt);
84*0Sstevel@tonic-gate
85*0Sstevel@tonic-gate /* Convert the cleartext password to ASCII */
86*0Sstevel@tonic-gate ebcdic2ascii(e_buf, e_buf, sizeof e_buf);
87*0Sstevel@tonic-gate
88*0Sstevel@tonic-gate /* Encrypt it (from/to ASCII) */
89*0Sstevel@tonic-gate ret = DES_fcrypt(e_buf,e_salt,buff);
90*0Sstevel@tonic-gate
91*0Sstevel@tonic-gate /* Convert the result back to EBCDIC */
92*0Sstevel@tonic-gate ascii2ebcdic(ret, ret, strlen(ret));
93*0Sstevel@tonic-gate
94*0Sstevel@tonic-gate return ret;
95*0Sstevel@tonic-gate #endif
96*0Sstevel@tonic-gate }
97*0Sstevel@tonic-gate
98*0Sstevel@tonic-gate
DES_fcrypt(const char * buf,const char * salt,char * ret)99*0Sstevel@tonic-gate char *DES_fcrypt(const char *buf, const char *salt, char *ret)
100*0Sstevel@tonic-gate {
101*0Sstevel@tonic-gate unsigned int i,j,x,y;
102*0Sstevel@tonic-gate DES_LONG Eswap0,Eswap1;
103*0Sstevel@tonic-gate DES_LONG out[2],ll;
104*0Sstevel@tonic-gate DES_cblock key;
105*0Sstevel@tonic-gate DES_key_schedule ks;
106*0Sstevel@tonic-gate unsigned char bb[9];
107*0Sstevel@tonic-gate unsigned char *b=bb;
108*0Sstevel@tonic-gate unsigned char c,u;
109*0Sstevel@tonic-gate
110*0Sstevel@tonic-gate /* eay 25/08/92
111*0Sstevel@tonic-gate * If you call crypt("pwd","*") as often happens when you
112*0Sstevel@tonic-gate * have * as the pwd field in /etc/passwd, the function
113*0Sstevel@tonic-gate * returns *\0XXXXXXXXX
114*0Sstevel@tonic-gate * The \0 makes the string look like * so the pwd "*" would
115*0Sstevel@tonic-gate * crypt to "*". This was found when replacing the crypt in
116*0Sstevel@tonic-gate * our shared libraries. People found that the disabled
117*0Sstevel@tonic-gate * accounts effectively had no passwd :-(. */
118*0Sstevel@tonic-gate #ifndef CHARSET_EBCDIC
119*0Sstevel@tonic-gate x=ret[0]=((salt[0] == '\0')?'A':salt[0]);
120*0Sstevel@tonic-gate Eswap0=con_salt[x]<<2;
121*0Sstevel@tonic-gate x=ret[1]=((salt[1] == '\0')?'A':salt[1]);
122*0Sstevel@tonic-gate Eswap1=con_salt[x]<<6;
123*0Sstevel@tonic-gate #else
124*0Sstevel@tonic-gate x=ret[0]=((salt[0] == '\0')?os_toascii['A']:salt[0]);
125*0Sstevel@tonic-gate Eswap0=con_salt[x]<<2;
126*0Sstevel@tonic-gate x=ret[1]=((salt[1] == '\0')?os_toascii['A']:salt[1]);
127*0Sstevel@tonic-gate Eswap1=con_salt[x]<<6;
128*0Sstevel@tonic-gate #endif
129*0Sstevel@tonic-gate
130*0Sstevel@tonic-gate /* EAY
131*0Sstevel@tonic-gate r=strlen(buf);
132*0Sstevel@tonic-gate r=(r+7)/8;
133*0Sstevel@tonic-gate */
134*0Sstevel@tonic-gate for (i=0; i<8; i++)
135*0Sstevel@tonic-gate {
136*0Sstevel@tonic-gate c= *(buf++);
137*0Sstevel@tonic-gate if (!c) break;
138*0Sstevel@tonic-gate key[i]=(c<<1);
139*0Sstevel@tonic-gate }
140*0Sstevel@tonic-gate for (; i<8; i++)
141*0Sstevel@tonic-gate key[i]=0;
142*0Sstevel@tonic-gate
143*0Sstevel@tonic-gate DES_set_key_unchecked(&key,&ks);
144*0Sstevel@tonic-gate fcrypt_body(&(out[0]),&ks,Eswap0,Eswap1);
145*0Sstevel@tonic-gate
146*0Sstevel@tonic-gate ll=out[0]; l2c(ll,b);
147*0Sstevel@tonic-gate ll=out[1]; l2c(ll,b);
148*0Sstevel@tonic-gate y=0;
149*0Sstevel@tonic-gate u=0x80;
150*0Sstevel@tonic-gate bb[8]=0;
151*0Sstevel@tonic-gate for (i=2; i<13; i++)
152*0Sstevel@tonic-gate {
153*0Sstevel@tonic-gate c=0;
154*0Sstevel@tonic-gate for (j=0; j<6; j++)
155*0Sstevel@tonic-gate {
156*0Sstevel@tonic-gate c<<=1;
157*0Sstevel@tonic-gate if (bb[y] & u) c|=1;
158*0Sstevel@tonic-gate u>>=1;
159*0Sstevel@tonic-gate if (!u)
160*0Sstevel@tonic-gate {
161*0Sstevel@tonic-gate y++;
162*0Sstevel@tonic-gate u=0x80;
163*0Sstevel@tonic-gate }
164*0Sstevel@tonic-gate }
165*0Sstevel@tonic-gate ret[i]=cov_2char[c];
166*0Sstevel@tonic-gate }
167*0Sstevel@tonic-gate ret[13]='\0';
168*0Sstevel@tonic-gate return(ret);
169*0Sstevel@tonic-gate }
170*0Sstevel@tonic-gate
171