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comparison src/os/unix/ngx_user.c @ 52:0d75d65c642f NGINX_0_1_26

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nginx 0.1.26 *) Change: the invalid client header lines are now ignored and logged at the info level. *) Change: the server name is also logged in error log. *) Feature: the ngx_http_auth_basic_module module and the auth_basic and auth_basic_user_file directives.
author Igor Sysoev <http://sysoev.ru>
date Tue, 22 Mar 2005 00:00:00 +0300
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children bcb5fce0b038
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51:43f383e47efc 52:0d75d65c642f
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
21 #if (NGX_LINUX)
22
23 ngx_int_t
24 ngx_crypt(ngx_pool_t *pool, u_char *key, u_char *salt, u_char **encrypted)
25 {
26 char *value;
27 size_t len;
28 struct crypt_data cd;
29
30 value = crypt_r((char *) key, (char *) salt, &cd);
31
32 if (value) {
33 len = ngx_strlen(value);
34
35 *encrypted = ngx_palloc(pool, len);
36 if (*encrypted) {
37 ngx_memcpy(*encrypted, value, len + 1);
38 return NGX_OK;
39 }
40 }
41
42 return NGX_ERROR;
43 }
44
45 #else
46
47 ngx_int_t
48 ngx_crypt(ngx_pool_t *pool, u_char *key, u_char *salt, u_char **encrypted)
49 {
50 char *value;
51 size_t len;
52 ngx_int_t rc;
53
54 #if (NGX_THREADS && NGX_NONREENTRANT_CRYPT)
55
56 /* crypt() is a time consuming funtion, so we only try to lock */
57
58 if (ngx_mutex_trylock(ngx_crypt_mutex) != NGX_OK) {
59 return NGX_AGAIN;
60 }
61
62 #endif
63
64 rc = NGX_ERROR;
65
66 value = crypt((char *) key, (char *) salt);
67
68 if (value) {
69 len = ngx_strlen(value);
70
71 *encrypted = ngx_palloc(pool, len);
72 if (*encrypted) {
73 ngx_memcpy(*encrypted, value, len + 1);
74 rc = NGX_OK;
75 }
76 }
77
78 #if (NGX_THREADS && NGX_NONREENTRANT_CRYPT)
79 ngx_mutex_unlock(ngx_crypt_mutex);
80 #endif
81
82 return rc;
83 }
84
85 #endif