Mercurial > hg > nginx-quic
annotate src/core/ngx_file.c @ 661:9079ee4735ae release-0.3.52
nginx-0.3.52-RELEASE import
*) Change: the ngx_http_index_module behavior for the "POST /" requests
is reverted to the 0.3.40 version state: the module now does not
return the 405 error.
*) Bugfix: the worker process may got caught in an endless loop if the
limit rate was used; the bug had appeared in 0.3.37.
*) Bugfix: ngx_http_charset_module logged "unknown charset" alert, even
if the recoding was not needed; the bug had appeared in 0.3.50.
*) Bugfix: if a code response of the PUT request was 409, then a
temporary file was not removed.
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 03 Jul 2006 16:49:20 +0000 |
parents | e60fe4cf1d4e |
children | 63a820b0bc6c |
rev | line source |
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441
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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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10 |
495 | 11 static ngx_atomic_uint_t ngx_temp_number; |
12 static ngx_atomic_uint_t ngx_random; | |
83
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13 |
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14 |
493 | 15 ssize_t |
16 ngx_write_chain_to_temp_file(ngx_temp_file_t *tf, ngx_chain_t *chain) | |
160
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17 { |
467 | 18 ngx_int_t rc; |
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19 |
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20 if (tf->file.fd == NGX_INVALID_FILE) { |
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21 rc = ngx_create_temp_file(&tf->file, tf->path, tf->pool, |
633 | 22 tf->persistent, tf->mode); |
208
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23 |
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24 if (rc == NGX_ERROR || rc == NGX_AGAIN) { |
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25 return rc; |
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26 } |
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27 |
637 | 28 if (tf->log_level == NGX_LOG_NOTICE) { |
29 ngx_log_error(NGX_LOG_NOTICE, tf->file.log, 0, tf->warn); | |
30 | |
31 } else if (tf->log_level == NGX_LOG_WARN) { | |
32 ngx_log_error(NGX_LOG_WARN, tf->file.log, 0, "%s %V", | |
33 tf->warn, &tf->file.name); | |
160
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34 } |
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35 } |
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36 |
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37 return ngx_write_chain_to_file(&tf->file, chain, tf->offset, tf->pool); |
160
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38 } |
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39 |
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40 |
493 | 41 ngx_int_t |
42 ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path, ngx_pool_t *pool, | |
633 | 43 ngx_uint_t persistent, ngx_uint_t mode) |
74
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44 { |
509 | 45 ngx_err_t err; |
46 ngx_atomic_uint_t n; | |
563 | 47 ngx_pool_cleanup_t *cln; |
48 ngx_pool_cleanup_file_t *clnf; | |
74
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49 |
493 | 50 file->name.len = path->name.len + 1 + path->len + NGX_ATOMIC_T_LEN; |
74
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51 |
501 | 52 file->name.data = ngx_palloc(pool, file->name.len + 1); |
53 if (file->name.data == NULL) { | |
467 | 54 return NGX_ERROR; |
55 } | |
74
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56 |
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57 #if 0 |
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58 for (i = 0; i < file->name.len; i++) { |
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59 file->name.data[i] = 'X'; |
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60 } |
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61 #endif |
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62 |
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63 ngx_memcpy(file->name.data, path->name.data, path->name.len); |
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64 |
493 | 65 n = ngx_next_temp_number(0); |
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66 |
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67 for ( ;; ) { |
517 | 68 (void) ngx_sprintf(file->name.data + path->name.len + 1 + path->len, |
69 "%0muA%Z", n); | |
74
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70 |
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71 ngx_create_hashed_filename(file, path); |
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72 |
563 | 73 cln = ngx_pool_cleanup_add(pool, sizeof(ngx_pool_cleanup_file_t)); |
74 if (cln == NULL) { | |
75 return NGX_ERROR; | |
76 } | |
77 | |
633 | 78 file->fd = ngx_open_tempfile(file->name.data, persistent, mode); |
74
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79 |
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80 ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0, |
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81 "temp fd:%d", file->fd); |
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82 |
74
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83 if (file->fd != NGX_INVALID_FILE) { |
563 | 84 |
85 cln->handler = ngx_pool_cleanup_file; | |
86 clnf = cln->data; | |
509 | 87 |
563 | 88 clnf->fd = file->fd; |
89 clnf->name = file->name.data; | |
90 clnf->log = pool->log; | |
509 | 91 |
74
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92 return NGX_OK; |
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93 } |
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94 |
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95 err = ngx_errno; |
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96 |
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97 if (err == NGX_EEXIST) { |
493 | 98 n = ngx_next_temp_number(1); |
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99 continue; |
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100 } |
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101 |
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102 if ((path->level[0] == 0) |
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103 || (err != NGX_ENOENT |
461 | 104 #if (NGX_WIN32) |
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105 && err != NGX_ENOTDIR |
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106 #endif |
467 | 107 )) |
108 { | |
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109 ngx_log_error(NGX_LOG_CRIT, file->log, err, |
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110 ngx_open_tempfile_n " \"%s\" failed", |
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111 file->name.data); |
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112 return NGX_ERROR; |
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113 } |
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114 |
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115 if (ngx_create_path(file, path) == NGX_ERROR) { |
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116 return NGX_ERROR; |
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117 } |
74
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118 } |
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119 } |
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120 |
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121 |
493 | 122 void |
123 ngx_create_hashed_filename(ngx_file_t *file, ngx_path_t *path) | |
74
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124 { |
517 | 125 size_t name, pos, level; |
126 ngx_uint_t i; | |
74
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127 |
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128 name = file->name.len; |
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129 pos = path->name.len + 1; |
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130 |
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131 file->name.data[path->name.len + path->len] = '/'; |
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132 |
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133 for (i = 0; i < 3; i++) { |
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134 level = path->level[i]; |
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135 |
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136 if (level == 0) { |
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137 break; |
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138 } |
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139 |
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140 name -= level; |
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141 file->name.data[pos - 1] = '/'; |
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142 ngx_memcpy(&file->name.data[pos], &file->name.data[name], level); |
17ab1af8c3dd
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parents:
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143 pos += level + 1; |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
144 } |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
145 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
208
diff
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|
146 ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0, |
70e1c7d2b83d
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parents:
208
diff
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|
147 "hashed path: %s", file->name.data); |
74
17ab1af8c3dd
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parents:
diff
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|
148 } |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
149 |
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nginx-0.0.1-2003-04-11-20:01:14 import
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parents:
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150 |
493 | 151 ngx_int_t |
152 ngx_create_path(ngx_file_t *file, ngx_path_t *path) | |
74
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parents:
diff
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|
153 { |
517 | 154 size_t pos; |
155 ngx_err_t err; | |
156 ngx_uint_t i; | |
74
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
157 |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
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158 pos = path->name.len; |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
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parents:
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|
159 |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
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160 for (i = 0; i < 3; i++) { |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
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parents:
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|
161 if (path->level[i] == 0) { |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
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parents:
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|
162 break; |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
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parents:
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|
163 } |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
164 |
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nginx-0.0.1-2003-04-11-20:01:14 import
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parents:
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165 pos += path->level[i] + 1; |
17ab1af8c3dd
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parents:
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166 |
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nginx-0.0.1-2003-04-11-20:01:14 import
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parents:
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167 file->name.data[pos] = '\0'; |
17ab1af8c3dd
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parents:
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|
168 |
257
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parents:
208
diff
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169 ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0, |
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parents:
208
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170 "temp file: \"%s\"", file->name.data); |
74
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parents:
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|
171 |
186
c1f3a3c7c5db
nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
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|
172 if (ngx_create_dir(file->name.data) == NGX_FILE_ERROR) { |
74
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
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parents:
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173 err = ngx_errno; |
17ab1af8c3dd
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parents:
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174 if (err != NGX_EEXIST) { |
17ab1af8c3dd
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parents:
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175 ngx_log_error(NGX_LOG_CRIT, file->log, err, |
186
c1f3a3c7c5db
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parents:
175
diff
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|
176 ngx_create_dir_n " \"%s\" failed", |
c1f3a3c7c5db
nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
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|
177 file->name.data); |
74
17ab1af8c3dd
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178 return NGX_ERROR; |
17ab1af8c3dd
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
179 } |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
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parents:
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180 } |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
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parents:
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181 |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
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182 file->name.data[pos] = '/'; |
17ab1af8c3dd
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parents:
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183 } |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
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|
184 |
17ab1af8c3dd
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185 return NGX_OK; |
17ab1af8c3dd
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parents:
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|
186 } |
83
a7e45c45a95c
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Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
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|
187 |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
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|
188 |
637 | 189 ngx_err_t |
190 ngx_create_full_path(u_char *dir) | |
191 { | |
192 u_char *p, ch; | |
193 ngx_err_t err; | |
194 | |
195 for (p = dir + 1; *p; p++) { | |
196 ch = *p; | |
197 | |
198 if (ch != '/') { | |
199 continue; | |
200 } | |
201 | |
202 *p = '\0'; | |
203 | |
204 if (ngx_create_dir(dir) == NGX_FILE_ERROR) { | |
205 err = ngx_errno; | |
206 if (err != NGX_EEXIST) { | |
207 return err; | |
208 } | |
209 } | |
210 | |
211 *p = '/'; | |
212 } | |
213 | |
214 return 0; | |
215 } | |
216 | |
217 | |
493 | 218 void |
499 | 219 ngx_init_temp_number(void) |
83
a7e45c45a95c
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75
diff
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|
220 { |
493 | 221 ngx_temp_number = 0; |
222 ngx_random = 123456; | |
83
a7e45c45a95c
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parents:
75
diff
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|
223 } |
a7e45c45a95c
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Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
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|
224 |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
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parents:
75
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225 |
495 | 226 ngx_atomic_uint_t |
493 | 227 ngx_next_temp_number(ngx_uint_t collision) |
83
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parents:
75
diff
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228 { |
a7e45c45a95c
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parents:
75
diff
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|
229 if (collision) { |
a7e45c45a95c
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parents:
75
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230 ngx_temp_number += ngx_random; |
a7e45c45a95c
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parents:
75
diff
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|
231 } |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
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|
232 |
a7e45c45a95c
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parents:
75
diff
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233 return ngx_temp_number++; |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
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|
234 } |
155
46eb23d9471d
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Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
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|
235 |
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parents:
100
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|
236 |
493 | 237 char * |
238 ngx_conf_set_path_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
155
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parents:
100
diff
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|
239 { |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
100
diff
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|
240 char *p = conf; |
46eb23d9471d
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parents:
100
diff
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|
241 |
467 | 242 ssize_t level; |
629 | 243 ngx_str_t *value; |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
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parents:
257
diff
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|
244 ngx_uint_t i, n; |
479 | 245 ngx_path_t *path, **slot; |
155
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parents:
100
diff
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|
246 |
467 | 247 slot = (ngx_path_t **) (p + cmd->offset); |
155
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Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
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|
248 |
467 | 249 if (*slot) { |
155
46eb23d9471d
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parents:
100
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250 return "is duplicate"; |
46eb23d9471d
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Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
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|
251 } |
46eb23d9471d
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parents:
100
diff
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|
252 |
501 | 253 path = ngx_pcalloc(cf->pool, sizeof(ngx_path_t)); |
254 if (path == NULL) { | |
467 | 255 return NGX_CONF_ERROR; |
256 } | |
190
02a715e85df1
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parents:
186
diff
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|
257 |
467 | 258 value = cf->args->elts; |
155
46eb23d9471d
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Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
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|
259 |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
100
diff
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|
260 path->name = value[1]; |
629 | 261 |
661 | 262 if (path->name.data[path->name.len - 1] == '/') { |
263 path->name.len--; | |
264 } | |
265 | |
629 | 266 if (ngx_conf_full_name(cf->cycle, &path->name) == NGX_ERROR) { |
267 return NULL; | |
268 } | |
269 | |
155
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parents:
100
diff
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|
270 path->len = 0; |
479 | 271 path->cleaner = (ngx_gc_handler_pt) cmd->post; |
467 | 272 path->conf_file = cf->conf_file->file.name.data; |
273 path->line = cf->conf_file->line; | |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
274 |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
100
diff
changeset
|
275 for (i = 0, n = 2; n < cf->args->nelts; i++, n++) { |
194
2357fa41738a
nginx-0.0.1-2003-11-21-09:30:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
190
diff
changeset
|
276 level = ngx_atoi(value[n].data, value[n].len); |
2357fa41738a
nginx-0.0.1-2003-11-21-09:30:49 import
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parents:
190
diff
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|
277 if (level == NGX_ERROR || level == 0) { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
100
diff
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|
278 return "invalid value"; |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
279 } |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
280 |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
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parents:
194
diff
changeset
|
281 path->level[i] = level; |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
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parents:
194
diff
changeset
|
282 path->len += level + 1; |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
100
diff
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|
283 } |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
284 |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
285 while (i < 3) { |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
100
diff
changeset
|
286 path->level[i++] = 0; |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
287 } |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
288 |
479 | 289 *slot = path; |
467 | 290 |
479 | 291 if (ngx_add_path(cf, slot) == NGX_ERROR) { |
292 return NGX_CONF_ERROR; | |
293 } | |
294 | |
295 return NGX_CONF_OK; | |
296 } | |
297 | |
298 | |
493 | 299 ngx_int_t |
300 ngx_add_path(ngx_conf_t *cf, ngx_path_t **slot) | |
479 | 301 { |
302 ngx_uint_t i, n; | |
303 ngx_path_t *path, **p; | |
304 | |
305 path = *slot; | |
306 | |
307 p = cf->cycle->pathes.elts; | |
467 | 308 for (i = 0; i < cf->cycle->pathes.nelts; i++) { |
479 | 309 if (p[i]->name.len == path->name.len |
310 && ngx_strcmp(p[i]->name.data, path->name.data) == 0) | |
467 | 311 { |
312 for (n = 0; n < 3; n++) { | |
479 | 313 if (p[i]->level[n] != path->level[n]) { |
314 if (path->conf_file == NULL) { | |
481 | 315 if (p[i]->conf_file == NULL) { |
316 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
317 "the default path name \"%V\" has " | |
318 "the same name as another default path, " | |
319 "but the different levels, you need to " | |
320 "redefine one of them in http section", | |
321 &p[i]->name); | |
322 return NGX_ERROR; | |
323 } | |
324 | |
479 | 325 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
326 "the path name \"%V\" in %s:%ui has " | |
481 | 327 "the same name as default path, but " |
479 | 328 "the different levels, you need to " |
329 "define default path in http section", | |
330 &p[i]->name, p[i]->conf_file, p[i]->line); | |
331 return NGX_ERROR; | |
332 } | |
333 | |
467 | 334 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
479 | 335 "the same path name \"%V\" in %s:%ui " |
336 "has the different levels than", | |
337 &p[i]->name, p[i]->conf_file, p[i]->line); | |
338 return NGX_ERROR; | |
467 | 339 } |
340 | |
479 | 341 if (p[i]->level[n] == 0) { |
467 | 342 break; |
343 } | |
344 } | |
345 | |
479 | 346 *slot = p[i]; |
467 | 347 |
479 | 348 return NGX_OK; |
467 | 349 } |
350 } | |
351 | |
501 | 352 p = ngx_array_push(&cf->cycle->pathes); |
353 if (p == NULL) { | |
479 | 354 return NGX_ERROR; |
467 | 355 } |
356 | |
479 | 357 *p = path; |
190
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186
diff
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|
358 |
479 | 359 return NGX_OK; |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
360 } |
467 | 361 |
362 | |
493 | 363 ngx_int_t |
364 ngx_create_pathes(ngx_cycle_t *cycle, ngx_uid_t user) | |
467 | 365 { |
366 ngx_err_t err; | |
367 ngx_uint_t i; | |
368 ngx_path_t **path; | |
369 #if !(NGX_WIN32) | |
370 ngx_file_info_t fi; | |
371 #endif | |
372 | |
373 path = cycle->pathes.elts; | |
374 for (i = 0; i < cycle->pathes.nelts; i++) { | |
375 | |
376 if (ngx_create_dir(path[i]->name.data) == NGX_FILE_ERROR) { | |
377 err = ngx_errno; | |
378 if (err != NGX_EEXIST) { | |
379 ngx_log_error(NGX_LOG_EMERG, cycle->log, err, | |
380 ngx_create_dir_n " \"%s\" failed", | |
381 path[i]->name.data); | |
382 return NGX_ERROR; | |
383 } | |
384 } | |
385 | |
517 | 386 if (user == (ngx_uid_t) NGX_CONF_UNSET_UINT) { |
467 | 387 continue; |
388 } | |
389 | |
390 #if !(NGX_WIN32) | |
391 | |
392 if (ngx_file_info((const char *) path[i]->name.data, &fi) == -1) { | |
393 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
394 ngx_file_info_n " \"%s\" failed", path[i]->name.data); | |
395 return NGX_ERROR; | |
396 } | |
397 | |
398 if (fi.st_uid != user) { | |
399 if (chown((const char *) path[i]->name.data, user, -1) == -1) { | |
400 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
401 "chown(\"%s\", %d) failed", | |
402 path[i]->name.data, user); | |
403 return NGX_ERROR; | |
404 } | |
405 } | |
406 | |
407 if ((fi.st_mode & (S_IRUSR|S_IWUSR|S_IXUSR)) | |
408 != (S_IRUSR|S_IWUSR|S_IXUSR)) | |
409 { | |
410 fi.st_mode |= (S_IRUSR|S_IWUSR|S_IXUSR); | |
411 | |
412 if (chmod((const char *) path[i]->name.data, fi.st_mode) == -1) { | |
413 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
414 "chmod() \"%s\" failed", path[i]->name.data); | |
415 return NGX_ERROR; | |
416 } | |
417 } | |
418 | |
419 #endif | |
420 } | |
421 | |
422 return NGX_OK; | |
423 } |