Mercurial > hg > nginx
annotate src/os/unix/ngx_user.c @ 4412:d620f497c50f
Copyright updated.
| author | Maxim Konovalov <maxim@nginx.com> |
|---|---|
| date | Wed, 18 Jan 2012 15:07:43 +0000 |
| parents | 9c057d5e1c27 |
| children | 778ef9c3fd2d |
| 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 | |
| 70 /* crypt() is a time consuming funtion, so we only try to lock */ | |
| 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 */ |