Mercurial > hg > nginx-quic
annotate src/core/ngx_file.c @ 775:a452a0e13539
check nginx.pm version
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 12 Oct 2006 19:55:15 +0000 |
parents | 562806624c4a |
children | 887d8dec72dc |
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 |
441
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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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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; |
160
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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 |
667 | 28 if (tf->log_level) { |
29 ngx_log_error(tf->log_level, tf->file.log, 0, "%s %V", | |
637 | 30 tf->warn, &tf->file.name); |
160
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31 } |
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32 } |
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33 |
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34 return ngx_write_chain_to_file(&tf->file, chain, tf->offset, tf->pool); |
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35 } |
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36 |
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37 |
493 | 38 ngx_int_t |
39 ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path, ngx_pool_t *pool, | |
633 | 40 ngx_uint_t persistent, ngx_uint_t mode) |
74
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41 { |
509 | 42 ngx_err_t err; |
43 ngx_atomic_uint_t n; | |
563 | 44 ngx_pool_cleanup_t *cln; |
45 ngx_pool_cleanup_file_t *clnf; | |
74
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46 |
493 | 47 file->name.len = path->name.len + 1 + path->len + NGX_ATOMIC_T_LEN; |
74
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48 |
501 | 49 file->name.data = ngx_palloc(pool, file->name.len + 1); |
50 if (file->name.data == NULL) { | |
467 | 51 return NGX_ERROR; |
52 } | |
74
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53 |
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54 #if 0 |
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55 for (i = 0; i < file->name.len; i++) { |
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56 file->name.data[i] = 'X'; |
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57 } |
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58 #endif |
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59 |
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60 ngx_memcpy(file->name.data, path->name.data, path->name.len); |
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61 |
493 | 62 n = ngx_next_temp_number(0); |
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63 |
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64 for ( ;; ) { |
517 | 65 (void) ngx_sprintf(file->name.data + path->name.len + 1 + path->len, |
66 "%0muA%Z", n); | |
74
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67 |
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68 ngx_create_hashed_filename(file, path); |
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69 |
563 | 70 cln = ngx_pool_cleanup_add(pool, sizeof(ngx_pool_cleanup_file_t)); |
71 if (cln == NULL) { | |
72 return NGX_ERROR; | |
73 } | |
74 | |
633 | 75 file->fd = ngx_open_tempfile(file->name.data, persistent, mode); |
74
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76 |
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77 ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0, |
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78 "temp fd:%d", file->fd); |
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79 |
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80 if (file->fd != NGX_INVALID_FILE) { |
563 | 81 |
82 cln->handler = ngx_pool_cleanup_file; | |
83 clnf = cln->data; | |
509 | 84 |
563 | 85 clnf->fd = file->fd; |
86 clnf->name = file->name.data; | |
87 clnf->log = pool->log; | |
509 | 88 |
74
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89 return NGX_OK; |
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90 } |
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91 |
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92 err = ngx_errno; |
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93 |
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94 if (err == NGX_EEXIST) { |
493 | 95 n = ngx_next_temp_number(1); |
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96 continue; |
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97 } |
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98 |
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99 if ((path->level[0] == 0) |
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100 || (err != NGX_ENOENT |
461 | 101 #if (NGX_WIN32) |
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102 && err != NGX_ENOTDIR |
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103 #endif |
467 | 104 )) |
105 { | |
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106 ngx_log_error(NGX_LOG_CRIT, file->log, err, |
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107 ngx_open_tempfile_n " \"%s\" failed", |
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108 file->name.data); |
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109 return NGX_ERROR; |
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110 } |
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111 |
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112 if (ngx_create_path(file, path) == NGX_ERROR) { |
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113 return NGX_ERROR; |
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114 } |
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115 } |
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116 } |
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117 |
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118 |
493 | 119 void |
120 ngx_create_hashed_filename(ngx_file_t *file, ngx_path_t *path) | |
74
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121 { |
517 | 122 size_t name, pos, level; |
123 ngx_uint_t i; | |
74
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124 |
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125 name = file->name.len; |
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126 pos = path->name.len + 1; |
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127 |
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128 file->name.data[path->name.len + path->len] = '/'; |
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129 |
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130 for (i = 0; i < 3; i++) { |
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131 level = path->level[i]; |
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132 |
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133 if (level == 0) { |
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134 break; |
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135 } |
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136 |
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137 name -= level; |
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138 file->name.data[pos - 1] = '/'; |
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139 ngx_memcpy(&file->name.data[pos], &file->name.data[name], level); |
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140 pos += level + 1; |
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141 } |
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142 |
257
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nginx-0.0.2-2004-02-11-20:08:49 import
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parents:
208
diff
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|
143 ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0, |
70e1c7d2b83d
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parents:
208
diff
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|
144 "hashed path: %s", file->name.data); |
74
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
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parents:
diff
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145 } |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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146 |
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147 |
493 | 148 ngx_int_t |
149 ngx_create_path(ngx_file_t *file, ngx_path_t *path) | |
74
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parents:
diff
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|
150 { |
517 | 151 size_t pos; |
152 ngx_err_t err; | |
153 ngx_uint_t i; | |
74
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parents:
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154 |
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155 pos = path->name.len; |
17ab1af8c3dd
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156 |
17ab1af8c3dd
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157 for (i = 0; i < 3; i++) { |
17ab1af8c3dd
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158 if (path->level[i] == 0) { |
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159 break; |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
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parents:
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160 } |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
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parents:
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161 |
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162 pos += path->level[i] + 1; |
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163 |
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164 file->name.data[pos] = '\0'; |
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parents:
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165 |
257
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diff
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166 ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0, |
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167 "temp file: \"%s\"", file->name.data); |
74
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parents:
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168 |
669 | 169 if (ngx_create_dir(file->name.data, 0700) == NGX_FILE_ERROR) { |
74
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170 err = ngx_errno; |
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171 if (err != NGX_EEXIST) { |
17ab1af8c3dd
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172 ngx_log_error(NGX_LOG_CRIT, file->log, err, |
186
c1f3a3c7c5db
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parents:
175
diff
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173 ngx_create_dir_n " \"%s\" failed", |
c1f3a3c7c5db
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parents:
175
diff
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|
174 file->name.data); |
74
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175 return NGX_ERROR; |
17ab1af8c3dd
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parents:
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176 } |
17ab1af8c3dd
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177 } |
17ab1af8c3dd
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178 |
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179 file->name.data[pos] = '/'; |
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180 } |
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181 |
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182 return NGX_OK; |
17ab1af8c3dd
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183 } |
83
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parents:
75
diff
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|
184 |
a7e45c45a95c
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185 |
637 | 186 ngx_err_t |
669 | 187 ngx_create_full_path(u_char *dir, ngx_uint_t access) |
637 | 188 { |
189 u_char *p, ch; | |
190 ngx_err_t err; | |
191 | |
192 for (p = dir + 1; *p; p++) { | |
193 ch = *p; | |
194 | |
195 if (ch != '/') { | |
196 continue; | |
197 } | |
198 | |
199 *p = '\0'; | |
200 | |
669 | 201 if (ngx_create_dir(dir, access) == NGX_FILE_ERROR) { |
637 | 202 err = ngx_errno; |
203 if (err != NGX_EEXIST) { | |
204 return err; | |
205 } | |
206 } | |
207 | |
208 *p = '/'; | |
209 } | |
210 | |
211 return 0; | |
212 } | |
213 | |
214 | |
493 | 215 void |
499 | 216 ngx_init_temp_number(void) |
83
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217 { |
493 | 218 ngx_temp_number = 0; |
219 ngx_random = 123456; | |
83
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220 } |
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parents:
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221 |
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222 |
495 | 223 ngx_atomic_uint_t |
493 | 224 ngx_next_temp_number(ngx_uint_t collision) |
83
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225 { |
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|
226 if (collision) { |
a7e45c45a95c
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227 ngx_temp_number += ngx_random; |
a7e45c45a95c
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parents:
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228 } |
a7e45c45a95c
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parents:
75
diff
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229 |
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230 return ngx_temp_number++; |
a7e45c45a95c
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parents:
75
diff
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|
231 } |
155
46eb23d9471d
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parents:
100
diff
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|
232 |
46eb23d9471d
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100
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233 |
493 | 234 char * |
235 ngx_conf_set_path_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
155
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236 { |
46eb23d9471d
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237 char *p = conf; |
46eb23d9471d
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100
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238 |
467 | 239 ssize_t level; |
629 | 240 ngx_str_t *value; |
290
87e73f067470
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parents:
257
diff
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|
241 ngx_uint_t i, n; |
479 | 242 ngx_path_t *path, **slot; |
155
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243 |
467 | 244 slot = (ngx_path_t **) (p + cmd->offset); |
155
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245 |
467 | 246 if (*slot) { |
155
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247 return "is duplicate"; |
46eb23d9471d
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parents:
100
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248 } |
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249 |
501 | 250 path = ngx_pcalloc(cf->pool, sizeof(ngx_path_t)); |
251 if (path == NULL) { | |
467 | 252 return NGX_CONF_ERROR; |
253 } | |
190
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186
diff
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254 |
467 | 255 value = cf->args->elts; |
155
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parents:
100
diff
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|
256 |
46eb23d9471d
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|
257 path->name = value[1]; |
629 | 258 |
661 | 259 if (path->name.data[path->name.len - 1] == '/') { |
260 path->name.len--; | |
261 } | |
262 | |
629 | 263 if (ngx_conf_full_name(cf->cycle, &path->name) == NGX_ERROR) { |
264 return NULL; | |
265 } | |
266 | |
155
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diff
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|
267 path->len = 0; |
479 | 268 path->cleaner = (ngx_gc_handler_pt) cmd->post; |
467 | 269 path->conf_file = cf->conf_file->file.name.data; |
270 path->line = cf->conf_file->line; | |
155
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parents:
100
diff
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|
271 |
46eb23d9471d
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parents:
100
diff
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|
272 for (i = 0, n = 2; n < cf->args->nelts; i++, n++) { |
194
2357fa41738a
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parents:
190
diff
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|
273 level = ngx_atoi(value[n].data, value[n].len); |
2357fa41738a
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190
diff
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|
274 if (level == NGX_ERROR || level == 0) { |
155
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275 return "invalid value"; |
46eb23d9471d
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parents:
100
diff
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|
276 } |
46eb23d9471d
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parents:
100
diff
changeset
|
277 |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
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parents:
194
diff
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|
278 path->level[i] = level; |
8dee38ea9117
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parents:
194
diff
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|
279 path->len += level + 1; |
155
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parents:
100
diff
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|
280 } |
46eb23d9471d
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parents:
100
diff
changeset
|
281 |
46eb23d9471d
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parents:
100
diff
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|
282 while (i < 3) { |
46eb23d9471d
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parents:
100
diff
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|
283 path->level[i++] = 0; |
46eb23d9471d
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parents:
100
diff
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|
284 } |
46eb23d9471d
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parents:
100
diff
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|
285 |
479 | 286 *slot = path; |
467 | 287 |
479 | 288 if (ngx_add_path(cf, slot) == NGX_ERROR) { |
289 return NGX_CONF_ERROR; | |
290 } | |
291 | |
292 return NGX_CONF_OK; | |
293 } | |
294 | |
295 | |
493 | 296 ngx_int_t |
297 ngx_add_path(ngx_conf_t *cf, ngx_path_t **slot) | |
479 | 298 { |
299 ngx_uint_t i, n; | |
300 ngx_path_t *path, **p; | |
301 | |
302 path = *slot; | |
303 | |
304 p = cf->cycle->pathes.elts; | |
467 | 305 for (i = 0; i < cf->cycle->pathes.nelts; i++) { |
479 | 306 if (p[i]->name.len == path->name.len |
307 && ngx_strcmp(p[i]->name.data, path->name.data) == 0) | |
467 | 308 { |
309 for (n = 0; n < 3; n++) { | |
479 | 310 if (p[i]->level[n] != path->level[n]) { |
311 if (path->conf_file == NULL) { | |
481 | 312 if (p[i]->conf_file == NULL) { |
313 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
314 "the default path name \"%V\" has " | |
315 "the same name as another default path, " | |
316 "but the different levels, you need to " | |
317 "redefine one of them in http section", | |
318 &p[i]->name); | |
319 return NGX_ERROR; | |
320 } | |
321 | |
479 | 322 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
323 "the path name \"%V\" in %s:%ui has " | |
481 | 324 "the same name as default path, but " |
479 | 325 "the different levels, you need to " |
326 "define default path in http section", | |
327 &p[i]->name, p[i]->conf_file, p[i]->line); | |
328 return NGX_ERROR; | |
329 } | |
330 | |
467 | 331 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
479 | 332 "the same path name \"%V\" in %s:%ui " |
333 "has the different levels than", | |
334 &p[i]->name, p[i]->conf_file, p[i]->line); | |
335 return NGX_ERROR; | |
467 | 336 } |
337 | |
479 | 338 if (p[i]->level[n] == 0) { |
467 | 339 break; |
340 } | |
341 } | |
342 | |
479 | 343 *slot = p[i]; |
467 | 344 |
479 | 345 return NGX_OK; |
467 | 346 } |
347 } | |
348 | |
501 | 349 p = ngx_array_push(&cf->cycle->pathes); |
350 if (p == NULL) { | |
479 | 351 return NGX_ERROR; |
467 | 352 } |
353 | |
479 | 354 *p = path; |
190
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diff
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|
355 |
479 | 356 return NGX_OK; |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
100
diff
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|
357 } |
467 | 358 |
359 | |
493 | 360 ngx_int_t |
361 ngx_create_pathes(ngx_cycle_t *cycle, ngx_uid_t user) | |
467 | 362 { |
363 ngx_err_t err; | |
364 ngx_uint_t i; | |
365 ngx_path_t **path; | |
366 #if !(NGX_WIN32) | |
367 ngx_file_info_t fi; | |
368 #endif | |
369 | |
370 path = cycle->pathes.elts; | |
371 for (i = 0; i < cycle->pathes.nelts; i++) { | |
372 | |
669 | 373 if (ngx_create_dir(path[i]->name.data, 0700) == NGX_FILE_ERROR) { |
467 | 374 err = ngx_errno; |
375 if (err != NGX_EEXIST) { | |
376 ngx_log_error(NGX_LOG_EMERG, cycle->log, err, | |
377 ngx_create_dir_n " \"%s\" failed", | |
378 path[i]->name.data); | |
379 return NGX_ERROR; | |
380 } | |
381 } | |
382 | |
517 | 383 if (user == (ngx_uid_t) NGX_CONF_UNSET_UINT) { |
467 | 384 continue; |
385 } | |
386 | |
387 #if !(NGX_WIN32) | |
388 | |
389 if (ngx_file_info((const char *) path[i]->name.data, &fi) == -1) { | |
390 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
391 ngx_file_info_n " \"%s\" failed", path[i]->name.data); | |
392 return NGX_ERROR; | |
393 } | |
394 | |
395 if (fi.st_uid != user) { | |
396 if (chown((const char *) path[i]->name.data, user, -1) == -1) { | |
397 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
398 "chown(\"%s\", %d) failed", | |
399 path[i]->name.data, user); | |
400 return NGX_ERROR; | |
401 } | |
402 } | |
403 | |
404 if ((fi.st_mode & (S_IRUSR|S_IWUSR|S_IXUSR)) | |
405 != (S_IRUSR|S_IWUSR|S_IXUSR)) | |
406 { | |
407 fi.st_mode |= (S_IRUSR|S_IWUSR|S_IXUSR); | |
408 | |
409 if (chmod((const char *) path[i]->name.data, fi.st_mode) == -1) { | |
410 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
411 "chmod() \"%s\" failed", path[i]->name.data); | |
412 return NGX_ERROR; | |
413 } | |
414 } | |
415 | |
416 #endif | |
417 } | |
418 | |
419 return NGX_OK; | |
420 } |