annotate src/os/unix/ngx_user.c @ 509:9b8c906f6e63 release-0.1.29

nginx-0.1.29-RELEASE import *) Feature: the ngx_http_ssi_module supports "include virtual" command. *) Feature: the ngx_http_ssi_module supports the condition command like 'if expr="$NAME"' and "else" and "endif" commands. Only one nested level is supported. *) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and DATE_GMT variables and "config timefmt" command. *) Feature: the "ssi_ignore_recycled_buffers" directive. *) Bugfix: the "echo" command did not show the default value for the empty QUERY_STRING variable. *) Change: the ngx_http_proxy_module was rewritten. *) Feature: the "proxy_redirect", "proxy_pass_request_headers", "proxy_pass_request_body", and "proxy_method" directives. *) Feature: the "proxy_set_header" directive. The "proxy_x_var" was canceled and must be replaced with the proxy_set_header directive. *) Change: the "proxy_preserve_host" is canceled and must be replaced with the "proxy_set_header Host $host" and the "proxy_redirect off" directives, the "proxy_set_header Host $host:$proxy_port" directive and the appropriate proxy_redirect directives. *) Change: the "proxy_set_x_real_ip" is canceled and must be replaced with the "proxy_set_header X-Real-IP $remote_addr" directive. *) Change: the "proxy_add_x_forwarded_for" is canceled and must be replaced with the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for" directive. *) Change: the "proxy_set_x_url" is canceled and must be replaced with the "proxy_set_header X-URL http://$host:$server_port$request_uri" directive. *) Feature: the "fastcgi_param" directive. *) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params" directive are canceled and must be replaced with the fastcgi_param directives. *) Feature: the "index" directive can use the variables. *) Feature: the "index" directive can be used at http and server levels. *) Change: the last index only in the "index" directive can be absolute. *) Feature: the "rewrite" directive can use the variables. *) Feature: the "internal" directive. *) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR, SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME, REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables. *) Change: nginx now passes the invalid lines in a client request headers or a backend response header. *) Bugfix: if the backend did not transfer response for a long time and the "send_timeout" was less than "proxy_read_timeout", then nginx returned the 408 response. *) Bugfix: the segmentation fault was occurred if the backend sent an invalid line in response header; the bug had appeared in 0.1.26. *) Bugfix: the segmentation fault may occurred in FastCGI fault tolerance configuration. *) Bugfix: the "expires" directive did not remove the previous "Expires" and "Cache-Control" headers. *) Bugfix: nginx did not take into account trailing dot in "Host" header line. *) Bugfix: the ngx_http_auth_module did not work under Linux. *) Bugfix: the rewrite directive worked incorrectly, if the arguments were in a request. *) Bugfix: nginx could not be built on MacOS X.
author Igor Sysoev <igor@sysoev.ru>
date Thu, 12 May 2005 14:58:06 +0000
parents b1648294f693
children 7fa11e5c6e96
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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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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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21 #if (NGX_CRYPT)
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23 #if (NGX_LINUX)
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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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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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38
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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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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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50
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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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64
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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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73 #endif
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74
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75 ngx_set_errno(0);
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76
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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 */