Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/des/fcrypt.c |
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1 | /* $OpenBSD: fcrypt.c,v 1.12 2016/12/26 21:30:10 jca Exp $ */ | - | ||||||
2 | - | |||||||
3 | #include <stdio.h> | - | ||||||
4 | - | |||||||
5 | /* This version of crypt has been developed from my MIT compatible | - | ||||||
6 | * DES library. | - | ||||||
7 | * Eric Young (eay@cryptsoft.com) | - | ||||||
8 | */ | - | ||||||
9 | - | |||||||
10 | /* Modification by Jens Kupferschmidt (Cu) | - | ||||||
11 | * I have included directive PARA for shared memory computers. | - | ||||||
12 | * I have included a directive LONGCRYPT to using this routine to cipher | - | ||||||
13 | * passwords with more than 8 bytes like HP-UX 10.x it used. The MAXPLEN | - | ||||||
14 | * definition is the maximum of length of password and can changed. I have | - | ||||||
15 | * defined 24. | - | ||||||
16 | */ | - | ||||||
17 | - | |||||||
18 | #include "des_locl.h" | - | ||||||
19 | - | |||||||
20 | /* Added more values to handle illegal salt values the way normal | - | ||||||
21 | * crypt() implementations do. The patch was sent by | - | ||||||
22 | * Bjorn Gronvall <bg@sics.se> | - | ||||||
23 | */ | - | ||||||
24 | static unsigned const char con_salt[128]={ | - | ||||||
25 | 0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9, | - | ||||||
26 | 0xDA,0xDB,0xDC,0xDD,0xDE,0xDF,0xE0,0xE1, | - | ||||||
27 | 0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9, | - | ||||||
28 | 0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1, | - | ||||||
29 | 0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9, | - | ||||||
30 | 0xFA,0xFB,0xFC,0xFD,0xFE,0xFF,0x00,0x01, | - | ||||||
31 | 0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09, | - | ||||||
32 | 0x0A,0x0B,0x05,0x06,0x07,0x08,0x09,0x0A, | - | ||||||
33 | 0x0B,0x0C,0x0D,0x0E,0x0F,0x10,0x11,0x12, | - | ||||||
34 | 0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1A, | - | ||||||
35 | 0x1B,0x1C,0x1D,0x1E,0x1F,0x20,0x21,0x22, | - | ||||||
36 | 0x23,0x24,0x25,0x20,0x21,0x22,0x23,0x24, | - | ||||||
37 | 0x25,0x26,0x27,0x28,0x29,0x2A,0x2B,0x2C, | - | ||||||
38 | 0x2D,0x2E,0x2F,0x30,0x31,0x32,0x33,0x34, | - | ||||||
39 | 0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,0x3C, | - | ||||||
40 | 0x3D,0x3E,0x3F,0x40,0x41,0x42,0x43,0x44, | - | ||||||
41 | }; | - | ||||||
42 | - | |||||||
43 | static unsigned const char cov_2char[64]={ | - | ||||||
44 | 0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,0x35, | - | ||||||
45 | 0x36,0x37,0x38,0x39,0x41,0x42,0x43,0x44, | - | ||||||
46 | 0x45,0x46,0x47,0x48,0x49,0x4A,0x4B,0x4C, | - | ||||||
47 | 0x4D,0x4E,0x4F,0x50,0x51,0x52,0x53,0x54, | - | ||||||
48 | 0x55,0x56,0x57,0x58,0x59,0x5A,0x61,0x62, | - | ||||||
49 | 0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A, | - | ||||||
50 | 0x6B,0x6C,0x6D,0x6E,0x6F,0x70,0x71,0x72, | - | ||||||
51 | 0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A | - | ||||||
52 | }; | - | ||||||
53 | - | |||||||
54 | char *DES_crypt(const char *buf, const char *salt) | - | ||||||
55 | { | - | ||||||
56 | static char buff[14]; | - | ||||||
57 | - | |||||||
58 | return(DES_fcrypt(buf,salt,buff)); executed 2 times by 1 test: return(DES_fcrypt(buf,salt,buff)); Executed by:
| 2 | ||||||
59 | } | - | ||||||
60 | - | |||||||
61 | - | |||||||
62 | char *DES_fcrypt(const char *buf, const char *salt, char *ret) | - | ||||||
63 | { | - | ||||||
64 | unsigned int i,j,x,y; | - | ||||||
65 | DES_LONG Eswap0,Eswap1; | - | ||||||
66 | DES_LONG out[2],ll; | - | ||||||
67 | DES_cblock key; | - | ||||||
68 | DES_key_schedule ks; | - | ||||||
69 | unsigned char bb[9]; | - | ||||||
70 | unsigned char *b=bb; | - | ||||||
71 | unsigned char c,u; | - | ||||||
72 | - | |||||||
73 | /* eay 25/08/92 | - | ||||||
74 | * If you call crypt("pwd","*") as often happens when you | - | ||||||
75 | * have * as the pwd field in /etc/passwd, the function | - | ||||||
76 | * returns *\0xxxxxxxxx | - | ||||||
77 | * The \0 makes the string look like * so the pwd "*" would | - | ||||||
78 | * crypt to "*". This was found when replacing the crypt in | - | ||||||
79 | * our shared libraries. People found that the disabled | - | ||||||
80 | * accounts effectively had no passwd :-(. */ | - | ||||||
81 | x=ret[0]=((salt[0] == '\0')?'A':salt[0]);
| 0-2 | ||||||
82 | Eswap0=con_salt[x]<<2; | - | ||||||
83 | x=ret[1]=((salt[1] == '\0')?'A':salt[1]);
| 0-2 | ||||||
84 | Eswap1=con_salt[x]<<6; | - | ||||||
85 | /* EAY | - | ||||||
86 | r=strlen(buf); | - | ||||||
87 | r=(r+7)/8; | - | ||||||
88 | */ | - | ||||||
89 | for (i=0; i<8; i++)
| 1-16 | ||||||
90 | { | - | ||||||
91 | c= *(buf++); | - | ||||||
92 | if (!c) break; executed 1 time by 1 test: break; Executed by:
| 1-15 | ||||||
93 | key[i]=(c<<1); | - | ||||||
94 | } executed 15 times by 1 test: end of block Executed by:
| 15 | ||||||
95 | for (; i<8; i++)
| 1-2 | ||||||
96 | key[i]=0; executed 1 time by 1 test: key[i]=0; Executed by:
| 1 | ||||||
97 | - | |||||||
98 | DES_set_key_unchecked(&key,&ks); | - | ||||||
99 | fcrypt_body(&(out[0]),&ks,Eswap0,Eswap1); | - | ||||||
100 | - | |||||||
101 | ll=out[0]; l2c(ll,b); | - | ||||||
102 | ll=out[1]; l2c(ll,b); | - | ||||||
103 | y=0; | - | ||||||
104 | u=0x80; | - | ||||||
105 | bb[8]=0; | - | ||||||
106 | for (i=2; i<13; i++)
| 2-22 | ||||||
107 | { | - | ||||||
108 | c=0; | - | ||||||
109 | for (j=0; j<6; j++)
| 22-132 | ||||||
110 | { | - | ||||||
111 | c<<=1; | - | ||||||
112 | if (bb[y] & u) c|=1; executed 58 times by 1 test: c|=1; Executed by:
| 58-74 | ||||||
113 | u>>=1; | - | ||||||
114 | if (!u)
| 16-116 | ||||||
115 | { | - | ||||||
116 | y++; | - | ||||||
117 | u=0x80; | - | ||||||
118 | } executed 16 times by 1 test: end of block Executed by:
| 16 | ||||||
119 | } executed 132 times by 1 test: end of block Executed by:
| 132 | ||||||
120 | ret[i]=cov_2char[c]; | - | ||||||
121 | } executed 22 times by 1 test: end of block Executed by:
| 22 | ||||||
122 | ret[13]='\0'; | - | ||||||
123 | return(ret); executed 2 times by 1 test: return(ret); Executed by:
| 2 | ||||||
124 | } | - | ||||||
125 | - | |||||||
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