OpenCoverage

fcrypt.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/des/fcrypt.c
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1/*-
2 * Copyright 1998-2016 The OpenSSL Project Authors. All Rights Reserved.-
3 *-
4 * Licensed under the OpenSSL license (the "License"). You may not use-
5 * this file except in compliance with the License. You can obtain a copy-
6 * in the file LICENSE in the source distribution or at-
7 * https://www.openssl.org/source/license.html-
8 */-
9-
10/* NOCW */-
11#include <stdio.h>-
12#ifdef _OSD_POSIX-
13# ifndef CHARSET_EBCDIC-
14# define CHARSET_EBCDIC 1-
15# endif-
16#endif-
17#ifdef CHARSET_EBCDIC-
18# include <openssl/ebcdic.h>-
19#endif-
20-
21#include <openssl/crypto.h>-
22#include "des_locl.h"-
23-
24/*-
25 * Added more values to handle illegal salt values the way normal crypt()-
26 * implementations do.-
27 */-
28static unsigned const char con_salt[128] = {-
29 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9,-
30 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF, 0xE0, 0xE1,-
31 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9,-
32 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1,-
33 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9,-
34 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF, 0x00, 0x01,-
35 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,-
36 0x0A, 0x0B, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A,-
37 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12,-
38 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A,-
39 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22,-
40 0x23, 0x24, 0x25, 0x20, 0x21, 0x22, 0x23, 0x24,-
41 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C,-
42 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34,-
43 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C,-
44 0x3D, 0x3E, 0x3F, 0x40, 0x41, 0x42, 0x43, 0x44,-
45};-
46-
47static unsigned const char cov_2char[64] = {-
48 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,-
49 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44,-
50 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C,-
51 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54,-
52 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x61, 0x62,-
53 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A,-
54 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72,-
55 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A-
56};-
57-
58char *DES_crypt(const char *buf, const char *salt)-
59{-
60 static char buff[14];-
61-
62#ifndef CHARSET_EBCDIC-
63 return DES_fcrypt(buf, salt, buff);
executed 7 times by 1 test: return DES_fcrypt(buf, salt, buff);
Executed by:
  • libcrypto.so.1.1
7
64#else-
65 char e_salt[2 + 1];-
66 char e_buf[32 + 1]; /* replace 32 by 8 ? */-
67 char *ret;-
68-
69 if (salt[0] == '\0' || salt[1] == '\0')-
70 return NULL;-
71-
72 /* Copy salt, convert to ASCII. */-
73 e_salt[0] = salt[0];-
74 e_salt[1] = salt[1];-
75 e_salt[2] = '\0';-
76 ebcdic2ascii(e_salt, e_salt, sizeof(e_salt));-
77-
78 /* Convert password to ASCII. */-
79 OPENSSL_strlcpy(e_buf, buf, sizeof(e_buf));-
80 ebcdic2ascii(e_buf, e_buf, sizeof(e_buf));-
81-
82 /* Encrypt it (from/to ASCII); if it worked, convert back. */-
83 ret = DES_fcrypt(e_buf, e_salt, buff);-
84 if (ret != NULL)-
85 ascii2ebcdic(ret, ret, strlen(ret));-
86-
87 return ret;-
88#endif-
89}-
90-
91char *DES_fcrypt(const char *buf, const char *salt, char *ret)-
92{-
93 unsigned int i, j, x, y;-
94 DES_LONG Eswap0, Eswap1;-
95 DES_LONG out[2], ll;-
96 DES_cblock key;-
97 DES_key_schedule ks;-
98 unsigned char bb[9];-
99 unsigned char *b = bb;-
100 unsigned char c, u;-
101-
102 x = ret[0] = salt[0];-
103 if (x == 0 || x >= sizeof(con_salt))
x == 0Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 6 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
x >= sizeof(con_salt)Description
TRUEnever evaluated
FALSEevaluated 6 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-6
104 return NULL;
executed 1 time by 1 test: return ((void *)0) ;
Executed by:
  • libcrypto.so.1.1
1
105 Eswap0 = con_salt[x] << 2;-
106 x = ret[1] = salt[1];-
107 if (x == 0 || x >= sizeof(con_salt))
x == 0Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 5 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
x >= sizeof(con_salt)Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
1-5
108 return NULL;
executed 2 times by 1 test: return ((void *)0) ;
Executed by:
  • libcrypto.so.1.1
2
109 Eswap1 = con_salt[x] << 6;-
110-
111 /*-
112 * EAY r=strlen(buf); r=(r+7)/8;-
113 */-
114 for (i = 0; i < 8; i++) {
i < 8Description
TRUEevaluated 32 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 3 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
3-32
115 c = *(buf++);-
116 if (!c)
!cDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 31 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
1-31
117 break;
executed 1 time by 1 test: break;
Executed by:
  • libcrypto.so.1.1
1
118 key[i] = (c << 1);-
119 }
executed 31 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
31
120 for (; i < 8; i++)
i < 8Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
1-4
121 key[i] = 0;
executed 1 time by 1 test: key[i] = 0;
Executed by:
  • libcrypto.so.1.1
1
122-
123 DES_set_key_unchecked(&key, &ks);-
124 fcrypt_body(&(out[0]), &ks, Eswap0, Eswap1);-
125-
126 ll = out[0];-
127 l2c(ll, b);-
128 ll = out[1];-
129 l2c(ll, b);-
130 y = 0;-
131 u = 0x80;-
132 bb[8] = 0;-
133 for (i = 2; i < 13; i++) {
i < 13Description
TRUEevaluated 44 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
4-44
134 c = 0;-
135 for (j = 0; j < 6; j++) {
j < 6Description
TRUEevaluated 264 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 44 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
44-264
136 c <<= 1;-
137 if (bb[y] & u)
bb[y] & uDescription
TRUEevaluated 131 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 133 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
131-133
138 c |= 1;
executed 131 times by 1 test: c |= 1;
Executed by:
  • libcrypto.so.1.1
131
139 u >>= 1;-
140 if (!u) {
!uDescription
TRUEevaluated 32 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 232 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
32-232
141 y++;-
142 u = 0x80;-
143 }
executed 32 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
32
144 }
executed 264 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
264
145 ret[i] = cov_2char[c];-
146 }
executed 44 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
44
147 ret[13] = '\0';-
148 return ret;
executed 4 times by 1 test: return ret;
Executed by:
  • libcrypto.so.1.1
4
149}-
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