Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_user.c @ 4749:613750237b36
Entity tags: the "etag" directive.
It allows to disable generation of nginx's own entity tags, while
still handling ETags in cache properly. This may be useful e.g.
if one want to serve static files from servers with different ETag
generation algorithms.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Mon, 09 Jul 2012 14:53:42 +0000 |
parents | 778ef9c3fd2d |
children | 6ccd3a50b40f |
rev | line source |
---|---|
503 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
503 | 5 */ |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 | |
11 | |
12 /* | |
13 * Solaris has thread-safe crypt() | |
14 * Linux has crypt_r(); "struct crypt_data" is more than 128K | |
15 * FreeBSD needs the mutex to protect crypt() | |
16 * | |
17 * TODO: | |
18 * ngx_crypt_init() to init mutex | |
19 */ | |
20 | |
21 | |
22 #if (NGX_CRYPT) | |
23 | |
527 | 24 #if (NGX_HAVE_GNU_CRYPT_R) |
503 | 25 |
26 ngx_int_t | |
3922
9c057d5e1c27
"$apr1", "{PLAIN}", and "{SSHA}" password methods in auth basic module
Igor Sysoev <igor@sysoev.ru>
parents:
3796
diff
changeset
|
27 ngx_libc_crypt(ngx_pool_t *pool, u_char *key, u_char *salt, u_char **encrypted) |
503 | 28 { |
29 char *value; | |
30 size_t len; | |
509 | 31 ngx_err_t err; |
503 | 32 struct crypt_data cd; |
33 | |
509 | 34 ngx_set_errno(0); |
35 | |
36 cd.initialized = 0; | |
529 | 37 /* work around the glibc bug */ |
38 cd.current_salt[0] = ~salt[0]; | |
509 | 39 |
503 | 40 value = crypt_r((char *) key, (char *) salt, &cd); |
41 | |
509 | 42 err = ngx_errno; |
43 | |
44 if (err == 0) { | |
3796
7dec2852e8fd
allocate last zero byte in ngx_crypt()
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
45 len = ngx_strlen(value) + 1; |
503 | 46 |
2049 | 47 *encrypted = ngx_pnalloc(pool, len); |
503 | 48 if (*encrypted) { |
3796
7dec2852e8fd
allocate last zero byte in ngx_crypt()
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
49 ngx_memcpy(*encrypted, value, len); |
503 | 50 return NGX_OK; |
51 } | |
52 } | |
53 | |
509 | 54 ngx_log_error(NGX_LOG_CRIT, pool->log, err, "crypt_r() failed"); |
55 | |
503 | 56 return NGX_ERROR; |
57 } | |
58 | |
59 #else | |
60 | |
61 ngx_int_t | |
3922
9c057d5e1c27
"$apr1", "{PLAIN}", and "{SSHA}" password methods in auth basic module
Igor Sysoev <igor@sysoev.ru>
parents:
3796
diff
changeset
|
62 ngx_libc_crypt(ngx_pool_t *pool, u_char *key, u_char *salt, u_char **encrypted) |
503 | 63 { |
64 char *value; | |
65 size_t len; | |
509 | 66 ngx_err_t err; |
503 | 67 |
68 #if (NGX_THREADS && NGX_NONREENTRANT_CRYPT) | |
69 | |
4499
778ef9c3fd2d
Fixed spelling in single-line comments.
Ruslan Ermilov <ru@nginx.com>
parents:
4412
diff
changeset
|
70 /* crypt() is a time consuming function, so we only try to lock */ |
503 | 71 |
72 if (ngx_mutex_trylock(ngx_crypt_mutex) != NGX_OK) { | |
73 return NGX_AGAIN; | |
74 } | |
75 | |
76 #endif | |
77 | |
509 | 78 ngx_set_errno(0); |
503 | 79 |
80 value = crypt((char *) key, (char *) salt); | |
81 | |
82 if (value) { | |
3796
7dec2852e8fd
allocate last zero byte in ngx_crypt()
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
83 len = ngx_strlen(value) + 1; |
503 | 84 |
2049 | 85 *encrypted = ngx_pnalloc(pool, len); |
503 | 86 if (*encrypted) { |
3796
7dec2852e8fd
allocate last zero byte in ngx_crypt()
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
87 ngx_memcpy(*encrypted, value, len); |
503 | 88 } |
509 | 89 |
90 #if (NGX_THREADS && NGX_NONREENTRANT_CRYPT) | |
91 ngx_mutex_unlock(ngx_crypt_mutex); | |
92 #endif | |
93 return NGX_OK; | |
503 | 94 } |
95 | |
509 | 96 err = ngx_errno; |
97 | |
503 | 98 #if (NGX_THREADS && NGX_NONREENTRANT_CRYPT) |
99 ngx_mutex_unlock(ngx_crypt_mutex); | |
100 #endif | |
101 | |
509 | 102 ngx_log_error(NGX_LOG_CRIT, pool->log, err, "crypt() failed"); |
103 | |
104 return NGX_ERROR; | |
503 | 105 } |
106 | |
107 #endif | |
108 | |
109 #endif /* NGX_CRYPT */ |