|
52
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9
|
|
|
10
|
|
|
11 /*
|
|
|
12 * Solaris has thread-safe crypt()
|
|
|
13 * Linux has crypt_r(); "struct crypt_data" is more than 128K
|
|
|
14 * FreeBSD needs the mutex to protect crypt()
|
|
|
15 *
|
|
|
16 * TODO:
|
|
|
17 * ngx_crypt_init() to init mutex
|
|
|
18 */
|
|
|
19
|
|
|
20
|
|
54
|
21 #if (NGX_CRYPT)
|
|
|
22
|
|
76
|
23 #if (NGX_HAVE_GNU_CRYPT_R)
|
|
52
|
24
|
|
|
25 ngx_int_t
|
|
|
26 ngx_crypt(ngx_pool_t *pool, u_char *key, u_char *salt, u_char **encrypted)
|
|
|
27 {
|
|
|
28 char *value;
|
|
|
29 size_t len;
|
|
58
|
30 ngx_err_t err;
|
|
52
|
31 struct crypt_data cd;
|
|
|
32
|
|
58
|
33 ngx_set_errno(0);
|
|
|
34
|
|
|
35 cd.initialized = 0;
|
|
78
|
36 /* work around the glibc bug */
|
|
|
37 cd.current_salt[0] = ~salt[0];
|
|
58
|
38
|
|
52
|
39 value = crypt_r((char *) key, (char *) salt, &cd);
|
|
|
40
|
|
58
|
41 err = ngx_errno;
|
|
|
42
|
|
|
43 if (err == 0) {
|
|
52
|
44 len = ngx_strlen(value);
|
|
|
45
|
|
382
|
46 *encrypted = ngx_pnalloc(pool, len);
|
|
52
|
47 if (*encrypted) {
|
|
|
48 ngx_memcpy(*encrypted, value, len + 1);
|
|
|
49 return NGX_OK;
|
|
|
50 }
|
|
|
51 }
|
|
|
52
|
|
58
|
53 ngx_log_error(NGX_LOG_CRIT, pool->log, err, "crypt_r() failed");
|
|
|
54
|
|
52
|
55 return NGX_ERROR;
|
|
|
56 }
|
|
|
57
|
|
|
58 #else
|
|
|
59
|
|
|
60 ngx_int_t
|
|
|
61 ngx_crypt(ngx_pool_t *pool, u_char *key, u_char *salt, u_char **encrypted)
|
|
|
62 {
|
|
|
63 char *value;
|
|
|
64 size_t len;
|
|
58
|
65 ngx_err_t err;
|
|
52
|
66
|
|
|
67 #if (NGX_THREADS && NGX_NONREENTRANT_CRYPT)
|
|
|
68
|
|
|
69 /* crypt() is a time consuming funtion, so we only try to lock */
|
|
|
70
|
|
|
71 if (ngx_mutex_trylock(ngx_crypt_mutex) != NGX_OK) {
|
|
|
72 return NGX_AGAIN;
|
|
|
73 }
|
|
|
74
|
|
|
75 #endif
|
|
|
76
|
|
58
|
77 ngx_set_errno(0);
|
|
52
|
78
|
|
|
79 value = crypt((char *) key, (char *) salt);
|
|
|
80
|
|
|
81 if (value) {
|
|
|
82 len = ngx_strlen(value);
|
|
|
83
|
|
382
|
84 *encrypted = ngx_pnalloc(pool, len);
|
|
52
|
85 if (*encrypted) {
|
|
|
86 ngx_memcpy(*encrypted, value, len + 1);
|
|
|
87 }
|
|
58
|
88
|
|
|
89 #if (NGX_THREADS && NGX_NONREENTRANT_CRYPT)
|
|
|
90 ngx_mutex_unlock(ngx_crypt_mutex);
|
|
|
91 #endif
|
|
|
92 return NGX_OK;
|
|
52
|
93 }
|
|
|
94
|
|
58
|
95 err = ngx_errno;
|
|
|
96
|
|
52
|
97 #if (NGX_THREADS && NGX_NONREENTRANT_CRYPT)
|
|
|
98 ngx_mutex_unlock(ngx_crypt_mutex);
|
|
|
99 #endif
|
|
|
100
|
|
58
|
101 ngx_log_error(NGX_LOG_CRIT, pool->log, err, "crypt() failed");
|
|
|
102
|
|
|
103 return NGX_ERROR;
|
|
52
|
104 }
|
|
|
105
|
|
|
106 #endif
|
|
54
|
107
|
|
|
108 #endif /* NGX_CRYPT */
|
