annotate src/os/unix/ngx_user.c @ 72:b31656313b59 NGINX_0_1_36

nginx 0.1.36 *) Change: if the request header has duplicate the "Host", "Connection", "Content-Length", or "Authorization" lines, then nginx now returns the 400 error. *) Change: the "post_accept_timeout" directive was canceled. *) Feature: the "default", "af=", "bl=", "deferred", and "bind" parameters of the "listen" directive. *) Feature: the FreeBSD accept filters support. *) Feature: the Linux TCP_DEFER_ACCEPT support. *) Bugfix: the ngx_http_autoindex_module did not support the file names in UTF-8. *) Bugfix: the new log file can be rotated by the -USR1 signal only if the reconfiguration by the -HUP signal was made twice.
author Igor Sysoev <http://sysoev.ru>
date Wed, 15 Jun 2005 00:00:00 +0400
parents b55cbf18157e
children da9a3b14312d
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9
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11 /*
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12 * Solaris has thread-safe crypt()
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13 * Linux has crypt_r(); "struct crypt_data" is more than 128K
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14 * FreeBSD needs the mutex to protect crypt()
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15 *
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16 * TODO:
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17 * ngx_crypt_init() to init mutex
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18 */
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19
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21 #if (NGX_CRYPT)
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22
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23 #if (NGX_LINUX)
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24
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25 ngx_int_t
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26 ngx_crypt(ngx_pool_t *pool, u_char *key, u_char *salt, u_char **encrypted)
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27 {
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28 char *value;
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29 size_t len;
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30 ngx_err_t err;
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31 struct crypt_data cd;
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32
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33 ngx_set_errno(0);
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34
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35 cd.initialized = 0;
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36
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37 value = crypt_r((char *) key, (char *) salt, &cd);
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39 err = ngx_errno;
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40
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41 if (err == 0) {
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42 len = ngx_strlen(value);
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43
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44 *encrypted = ngx_palloc(pool, len);
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45 if (*encrypted) {
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46 ngx_memcpy(*encrypted, value, len + 1);
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47 return NGX_OK;
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48 }
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49 }
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51 ngx_log_error(NGX_LOG_CRIT, pool->log, err, "crypt_r() failed");
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52
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53 return NGX_ERROR;
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54 }
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55
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56 #else
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57
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58 ngx_int_t
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59 ngx_crypt(ngx_pool_t *pool, u_char *key, u_char *salt, u_char **encrypted)
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60 {
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61 char *value;
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62 size_t len;
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63 ngx_err_t err;
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65 #if (NGX_THREADS && NGX_NONREENTRANT_CRYPT)
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66
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67 /* crypt() is a time consuming funtion, so we only try to lock */
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68
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69 if (ngx_mutex_trylock(ngx_crypt_mutex) != NGX_OK) {
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70 return NGX_AGAIN;
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71 }
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72
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73 #endif
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75 ngx_set_errno(0);
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77 value = crypt((char *) key, (char *) salt);
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78
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79 if (value) {
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80 len = ngx_strlen(value);
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81
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82 *encrypted = ngx_palloc(pool, len);
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83 if (*encrypted) {
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84 ngx_memcpy(*encrypted, value, len + 1);
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85 }
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86
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87 #if (NGX_THREADS && NGX_NONREENTRANT_CRYPT)
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88 ngx_mutex_unlock(ngx_crypt_mutex);
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89 #endif
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90 return NGX_OK;
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91 }
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92
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93 err = ngx_errno;
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94
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95 #if (NGX_THREADS && NGX_NONREENTRANT_CRYPT)
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96 ngx_mutex_unlock(ngx_crypt_mutex);
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97 #endif
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98
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99 ngx_log_error(NGX_LOG_CRIT, pool->log, err, "crypt() failed");
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100
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101 return NGX_ERROR;
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102 }
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103
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104 #endif
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105
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106 #endif /* NGX_CRYPT */