0
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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
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516
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11 static ngx_atomic_t temp_number = 0;
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12 ngx_atomic_t *ngx_temp_number = &temp_number;
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13 ngx_atomic_int_t ngx_random_number = 123456;
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0
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14
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15
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42
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16 ssize_t
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17 ngx_write_chain_to_temp_file(ngx_temp_file_t *tf, ngx_chain_t *chain)
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0
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18 {
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16
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19 ngx_int_t rc;
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0
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20
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21 if (tf->file.fd == NGX_INVALID_FILE) {
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22 rc = ngx_create_temp_file(&tf->file, tf->path, tf->pool,
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278
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23 tf->persistent, tf->clean, tf->access);
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0
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24
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25 if (rc == NGX_ERROR || rc == NGX_AGAIN) {
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26 return rc;
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27 }
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28
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216
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29 if (tf->log_level) {
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30 ngx_log_error(tf->log_level, tf->file.log, 0, "%s %V",
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186
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31 tf->warn, &tf->file.name);
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0
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32 }
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33 }
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34
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35 return ngx_write_chain_to_file(&tf->file, chain, tf->offset, tf->pool);
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36 }
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37
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38
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42
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39 ngx_int_t
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40 ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path, ngx_pool_t *pool,
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278
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41 ngx_uint_t persistent, ngx_uint_t clean, ngx_uint_t access)
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0
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42 {
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282
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43 uint32_t n;
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58
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44 ngx_err_t err;
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112
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45 ngx_pool_cleanup_t *cln;
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46 ngx_pool_cleanup_file_t *clnf;
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0
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47
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282
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48 file->name.len = path->name.len + 1 + path->len + 10;
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0
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49
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382
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50 file->name.data = ngx_pnalloc(pool, file->name.len + 1);
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50
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51 if (file->name.data == NULL) {
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16
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52 return NGX_ERROR;
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53 }
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0
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54
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55 #if 0
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56 for (i = 0; i < file->name.len; i++) {
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57 file->name.data[i] = 'X';
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58 }
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59 #endif
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60
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61 ngx_memcpy(file->name.data, path->name.data, path->name.len);
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62
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282
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63 n = (uint32_t) ngx_next_temp_number(0);
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0
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64
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356
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65 cln = ngx_pool_cleanup_add(pool, sizeof(ngx_pool_cleanup_file_t));
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66 if (cln == NULL) {
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67 return NGX_ERROR;
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68 }
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69
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0
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70 for ( ;; ) {
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66
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71 (void) ngx_sprintf(file->name.data + path->name.len + 1 + path->len,
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282
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72 "%010uD%Z", n);
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0
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73
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356
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74 ngx_create_hashed_filename(path, file->name.data, file->name.len);
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0
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75
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356
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76 ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0,
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77 "hashed path: %s", file->name.data);
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112
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78
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276
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79 file->fd = ngx_open_tempfile(file->name.data, persistent, access);
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0
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80
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81 ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0,
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82 "temp fd:%d", file->fd);
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83
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84 if (file->fd != NGX_INVALID_FILE) {
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112
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85
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278
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86 cln->handler = clean ? ngx_pool_delete_file : ngx_pool_cleanup_file;
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112
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87 clnf = cln->data;
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58
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88
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112
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89 clnf->fd = file->fd;
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90 clnf->name = file->name.data;
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91 clnf->log = pool->log;
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58
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92
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0
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93 return NGX_OK;
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94 }
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95
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96 err = ngx_errno;
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97
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98 if (err == NGX_EEXIST) {
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282
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99 n = (uint32_t) ngx_next_temp_number(1);
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0
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100 continue;
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101 }
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102
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514
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103 if ((path->level[0] == 0) || (err != NGX_ENOPATH)) {
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0
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104 ngx_log_error(NGX_LOG_CRIT, file->log, err,
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105 ngx_open_tempfile_n " \"%s\" failed",
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106 file->name.data);
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107 return NGX_ERROR;
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108 }
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109
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110 if (ngx_create_path(file, path) == NGX_ERROR) {
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111 return NGX_ERROR;
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112 }
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113 }
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114 }
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115
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116
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42
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117 void
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356
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118 ngx_create_hashed_filename(ngx_path_t *path, u_char *file, size_t len)
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0
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119 {
|
356
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120 size_t i, level;
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121 ngx_uint_t n;
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0
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122
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356
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123 i = path->name.len + 1;
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0
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124
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356
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125 file[path->name.len + path->len] = '/';
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0
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126
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356
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127 for (n = 0; n < 3; n++) {
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128 level = path->level[n];
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0
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129
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130 if (level == 0) {
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131 break;
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132 }
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133
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356
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134 len -= level;
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135 file[i - 1] = '/';
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136 ngx_memcpy(&file[i], &file[len], level);
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137 i += level + 1;
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0
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138 }
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139 }
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140
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141
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42
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142 ngx_int_t
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143 ngx_create_path(ngx_file_t *file, ngx_path_t *path)
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0
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144 {
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66
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145 size_t pos;
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146 ngx_err_t err;
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147 ngx_uint_t i;
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0
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148
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149 pos = path->name.len;
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150
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151 for (i = 0; i < 3; i++) {
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152 if (path->level[i] == 0) {
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153 break;
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154 }
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155
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156 pos += path->level[i] + 1;
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157
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158 file->name.data[pos] = '\0';
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159
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160 ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0,
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161 "temp file: \"%s\"", file->name.data);
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162
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218
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163 if (ngx_create_dir(file->name.data, 0700) == NGX_FILE_ERROR) {
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0
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164 err = ngx_errno;
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165 if (err != NGX_EEXIST) {
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166 ngx_log_error(NGX_LOG_CRIT, file->log, err,
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167 ngx_create_dir_n " \"%s\" failed",
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168 file->name.data);
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169 return NGX_ERROR;
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170 }
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171 }
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172
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173 file->name.data[pos] = '/';
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174 }
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175
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176 return NGX_OK;
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177 }
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178
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179
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186
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180 ngx_err_t
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218
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181 ngx_create_full_path(u_char *dir, ngx_uint_t access)
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186
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182 {
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183 u_char *p, ch;
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184 ngx_err_t err;
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185
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536
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186 err = 0;
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187
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188 #if (NGX_WIN32)
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189 p = dir + 3;
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190 #else
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191 p = dir + 1;
|
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192 #endif
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193
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194 for ( /* void */ ; *p; p++) {
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186
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195 ch = *p;
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196
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197 if (ch != '/') {
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198 continue;
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199 }
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200
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201 *p = '\0';
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202
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218
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203 if (ngx_create_dir(dir, access) == NGX_FILE_ERROR) {
|
186
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204 err = ngx_errno;
|
536
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205
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206 switch (err) {
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207 case NGX_EEXIST:
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208 err = 0;
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209 case NGX_EACCES:
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210 break;
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211
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212 default:
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186
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213 return err;
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214 }
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215 }
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216
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217 *p = '/';
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218 }
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219
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536
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220 return err;
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186
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221 }
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222
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223
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44
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224 ngx_atomic_uint_t
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42
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225 ngx_next_temp_number(ngx_uint_t collision)
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0
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226 {
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516
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227 ngx_atomic_uint_t n, add;
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228
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229 add = collision ? ngx_random_number : 1;
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0
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230
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516
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231 n = ngx_atomic_fetch_add(ngx_temp_number, add);
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232
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233 return n + add;
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0
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234 }
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235
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236
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42
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237 char *
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238 ngx_conf_set_path_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
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0
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239 {
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240 char *p = conf;
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241
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16
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242 ssize_t level;
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178
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243 ngx_str_t *value;
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0
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244 ngx_uint_t i, n;
|
28
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245 ngx_path_t *path, **slot;
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0
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246
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16
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247 slot = (ngx_path_t **) (p + cmd->offset);
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0
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248
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16
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249 if (*slot) {
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0
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250 return "is duplicate";
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251 }
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252
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50
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253 path = ngx_pcalloc(cf->pool, sizeof(ngx_path_t));
|
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254 if (path == NULL) {
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16
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255 return NGX_CONF_ERROR;
|
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256 }
|
0
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257
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16
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258 value = cf->args->elts;
|
0
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259
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260 path->name = value[1];
|
178
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261
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210
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262 if (path->name.data[path->name.len - 1] == '/') {
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263 path->name.len--;
|
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264 }
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265
|
454
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266 if (ngx_conf_full_name(cf->cycle, &path->name, 0) != NGX_OK) {
|
178
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267 return NULL;
|
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268 }
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269
|
0
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270 path->len = 0;
|
514
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271 path->manager = NULL;
|
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272 path->loader = NULL;
|
16
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273 path->conf_file = cf->conf_file->file.name.data;
|
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274 path->line = cf->conf_file->line;
|
0
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275
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276 for (i = 0, n = 2; n < cf->args->nelts; i++, n++) {
|
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277 level = ngx_atoi(value[n].data, value[n].len);
|
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278 if (level == NGX_ERROR || level == 0) {
|
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279 return "invalid value";
|
|
280 }
|
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281
|
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282 path->level[i] = level;
|
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283 path->len += level + 1;
|
|
284 }
|
|
285
|
|
286 while (i < 3) {
|
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287 path->level[i++] = 0;
|
|
288 }
|
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289
|
28
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290 *slot = path;
|
16
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291
|
28
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292 if (ngx_add_path(cf, slot) == NGX_ERROR) {
|
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293 return NGX_CONF_ERROR;
|
|
294 }
|
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295
|
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296 return NGX_CONF_OK;
|
|
297 }
|
|
298
|
|
299
|
318
|
300 char *
|
464
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301 ngx_conf_merge_path_value(ngx_conf_t *cf, ngx_path_t **path, ngx_path_t *prev,
|
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302 ngx_path_init_t *init)
|
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303 {
|
|
304 if (*path) {
|
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305 return NGX_CONF_OK;
|
|
306 }
|
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307
|
|
308 if (prev) {
|
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309 *path = prev;
|
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310 return NGX_CONF_OK;
|
|
311 }
|
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312
|
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313 *path = ngx_palloc(cf->pool, sizeof(ngx_path_t));
|
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314 if (*path == NULL) {
|
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315 return NGX_CONF_ERROR;
|
|
316 }
|
|
317
|
|
318 (*path)->name = init->name;
|
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319
|
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320 if (ngx_conf_full_name(cf->cycle, &(*path)->name, 0) != NGX_OK) {
|
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321 return NGX_CONF_ERROR;
|
|
322 }
|
|
323
|
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324 (*path)->level[0] = init->level[0];
|
|
325 (*path)->level[1] = init->level[1];
|
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326 (*path)->level[2] = init->level[2];
|
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327
|
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328 (*path)->len = init->level[0] + (init->level[0] ? 1 : 0)
|
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329 + init->level[1] + (init->level[1] ? 1 : 0)
|
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330 + init->level[2] + (init->level[2] ? 1 : 0);
|
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331
|
468
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332 (*path)->manager = NULL;
|
514
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333 (*path)->loader = NULL;
|
464
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334 (*path)->conf_file = NULL;
|
|
335
|
|
336 if (ngx_add_path(cf, path) != NGX_OK) {
|
|
337 return NGX_CONF_ERROR;
|
|
338 }
|
|
339
|
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340 return NGX_CONF_OK;
|
|
341 }
|
|
342
|
|
343
|
|
344 char *
|
318
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345 ngx_conf_set_access_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
346 {
|
|
347 char *confp = conf;
|
|
348
|
|
349 u_char *p;
|
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350 ngx_str_t *value;
|
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351 ngx_uint_t i, right, shift, *access;
|
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352
|
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353 access = (ngx_uint_t *) (confp + cmd->offset);
|
320
|
354
|
318
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355 if (*access != NGX_CONF_UNSET_UINT) {
|
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356 return "is duplicate";
|
|
357 }
|
320
|
358
|
318
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359 value = cf->args->elts;
|
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360
|
|
361 *access = 0600;
|
|
362
|
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363 for (i = 1; i < cf->args->nelts; i++) {
|
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364
|
|
365 p = value[i].data;
|
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366
|
|
367 if (ngx_strncmp(p, "user:", sizeof("user:") - 1) == 0) {
|
|
368 shift = 6;
|
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369 p += sizeof("user:") - 1;
|
|
370
|
|
371 } else if (ngx_strncmp(p, "group:", sizeof("group:") - 1) == 0) {
|
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372 shift = 3;
|
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373 p += sizeof("group:") - 1;
|
|
374
|
|
375 } else if (ngx_strncmp(p, "all:", sizeof("all:") - 1) == 0) {
|
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376 shift = 0;
|
|
377 p += sizeof("all:") - 1;
|
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378
|
|
379 } else {
|
|
380 goto invalid;
|
|
381 }
|
|
382
|
|
383 if (ngx_strcmp(p, "rw") == 0) {
|
|
384 right = 6;
|
|
385
|
|
386 } else if (ngx_strcmp(p, "r") == 0) {
|
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387 right = 4;
|
|
388
|
|
389 } else {
|
|
390 goto invalid;
|
|
391 }
|
|
392
|
|
393 *access |= right << shift;
|
|
394 }
|
320
|
395
|
318
|
396 return NGX_CONF_OK;
|
|
397
|
|
398 invalid:
|
|
399
|
|
400 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid value \"%V\"", &value[i]);
|
|
401
|
|
402 return NGX_CONF_ERROR;
|
|
403 }
|
|
404
|
|
405
|
42
|
406 ngx_int_t
|
|
407 ngx_add_path(ngx_conf_t *cf, ngx_path_t **slot)
|
28
|
408 {
|
|
409 ngx_uint_t i, n;
|
|
410 ngx_path_t *path, **p;
|
|
411
|
|
412 path = *slot;
|
|
413
|
|
414 p = cf->cycle->pathes.elts;
|
16
|
415 for (i = 0; i < cf->cycle->pathes.nelts; i++) {
|
28
|
416 if (p[i]->name.len == path->name.len
|
|
417 && ngx_strcmp(p[i]->name.data, path->name.data) == 0)
|
16
|
418 {
|
|
419 for (n = 0; n < 3; n++) {
|
28
|
420 if (p[i]->level[n] != path->level[n]) {
|
|
421 if (path->conf_file == NULL) {
|
30
|
422 if (p[i]->conf_file == NULL) {
|
|
423 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
424 "the default path name \"%V\" has "
|
|
425 "the same name as another default path, "
|
|
426 "but the different levels, you need to "
|
|
427 "redefine one of them in http section",
|
|
428 &p[i]->name);
|
|
429 return NGX_ERROR;
|
|
430 }
|
|
431
|
28
|
432 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
433 "the path name \"%V\" in %s:%ui has "
|
30
|
434 "the same name as default path, but "
|
28
|
435 "the different levels, you need to "
|
|
436 "define default path in http section",
|
|
437 &p[i]->name, p[i]->conf_file, p[i]->line);
|
|
438 return NGX_ERROR;
|
|
439 }
|
|
440
|
16
|
441 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
28
|
442 "the same path name \"%V\" in %s:%ui "
|
|
443 "has the different levels than",
|
|
444 &p[i]->name, p[i]->conf_file, p[i]->line);
|
|
445 return NGX_ERROR;
|
16
|
446 }
|
|
447
|
28
|
448 if (p[i]->level[n] == 0) {
|
16
|
449 break;
|
|
450 }
|
|
451 }
|
|
452
|
28
|
453 *slot = p[i];
|
16
|
454
|
28
|
455 return NGX_OK;
|
16
|
456 }
|
|
457 }
|
|
458
|
50
|
459 p = ngx_array_push(&cf->cycle->pathes);
|
|
460 if (p == NULL) {
|
28
|
461 return NGX_ERROR;
|
16
|
462 }
|
|
463
|
28
|
464 *p = path;
|
0
|
465
|
28
|
466 return NGX_OK;
|
0
|
467 }
|
16
|
468
|
|
469
|
42
|
470 ngx_int_t
|
|
471 ngx_create_pathes(ngx_cycle_t *cycle, ngx_uid_t user)
|
16
|
472 {
|
|
473 ngx_err_t err;
|
|
474 ngx_uint_t i;
|
|
475 ngx_path_t **path;
|
|
476
|
|
477 path = cycle->pathes.elts;
|
|
478 for (i = 0; i < cycle->pathes.nelts; i++) {
|
|
479
|
218
|
480 if (ngx_create_dir(path[i]->name.data, 0700) == NGX_FILE_ERROR) {
|
16
|
481 err = ngx_errno;
|
|
482 if (err != NGX_EEXIST) {
|
|
483 ngx_log_error(NGX_LOG_EMERG, cycle->log, err,
|
|
484 ngx_create_dir_n " \"%s\" failed",
|
|
485 path[i]->name.data);
|
|
486 return NGX_ERROR;
|
|
487 }
|
|
488 }
|
|
489
|
66
|
490 if (user == (ngx_uid_t) NGX_CONF_UNSET_UINT) {
|
16
|
491 continue;
|
|
492 }
|
|
493
|
|
494 #if !(NGX_WIN32)
|
356
|
495 {
|
|
496 ngx_file_info_t fi;
|
16
|
497
|
484
|
498 if (ngx_file_info((const char *) path[i]->name.data, &fi)
|
|
499 == NGX_FILE_ERROR)
|
|
500 {
|
16
|
501 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
502 ngx_file_info_n " \"%s\" failed", path[i]->name.data);
|
|
503 return NGX_ERROR;
|
|
504 }
|
|
505
|
|
506 if (fi.st_uid != user) {
|
|
507 if (chown((const char *) path[i]->name.data, user, -1) == -1) {
|
|
508 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
509 "chown(\"%s\", %d) failed",
|
|
510 path[i]->name.data, user);
|
|
511 return NGX_ERROR;
|
|
512 }
|
|
513 }
|
|
514
|
|
515 if ((fi.st_mode & (S_IRUSR|S_IWUSR|S_IXUSR))
|
|
516 != (S_IRUSR|S_IWUSR|S_IXUSR))
|
|
517 {
|
|
518 fi.st_mode |= (S_IRUSR|S_IWUSR|S_IXUSR);
|
|
519
|
|
520 if (chmod((const char *) path[i]->name.data, fi.st_mode) == -1) {
|
|
521 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
522 "chmod() \"%s\" failed", path[i]->name.data);
|
|
523 return NGX_ERROR;
|
|
524 }
|
|
525 }
|
356
|
526 }
|
16
|
527 #endif
|
|
528 }
|
|
529
|
|
530 return NGX_OK;
|
|
531 }
|
272
|
532
|
|
533
|
|
534 ngx_int_t
|
362
|
535 ngx_ext_rename_file(ngx_str_t *src, ngx_str_t *to, ngx_ext_rename_file_t *ext)
|
356
|
536 {
|
514
|
537 u_char *name;
|
|
538 ngx_err_t err;
|
|
539 ngx_copy_file_t cf;
|
356
|
540
|
|
541 #if !(NGX_WIN32)
|
|
542
|
430
|
543 if (ext->access) {
|
|
544 if (ngx_change_file_access(src->data, ext->access) == NGX_FILE_ERROR) {
|
|
545 ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
|
|
546 ngx_change_file_access_n " \"%s\" failed", src->data);
|
|
547 err = 0;
|
|
548 goto failed;
|
|
549 }
|
356
|
550 }
|
|
551
|
|
552 #endif
|
|
553
|
362
|
554 if (ext->time != -1) {
|
|
555 if (ngx_set_file_time(src->data, ext->fd, ext->time) != NGX_OK) {
|
|
556 ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
|
|
557 ngx_set_file_time_n " \"%s\" failed", src->data);
|
|
558 err = 0;
|
|
559 goto failed;
|
|
560 }
|
|
561 }
|
|
562
|
356
|
563 if (ngx_rename_file(src->data, to->data) != NGX_FILE_ERROR) {
|
|
564 return NGX_OK;
|
|
565 }
|
|
566
|
|
567 err = ngx_errno;
|
|
568
|
514
|
569 if (err == NGX_ENOPATH) {
|
|
570
|
362
|
571 if (!ext->create_path) {
|
356
|
572 goto failed;
|
|
573 }
|
|
574
|
430
|
575 err = ngx_create_full_path(to->data, ngx_dir_access(ext->path_access));
|
356
|
576
|
|
577 if (err) {
|
362
|
578 ngx_log_error(NGX_LOG_CRIT, ext->log, err,
|
356
|
579 ngx_create_dir_n " \"%s\" failed", to->data);
|
|
580 err = 0;
|
|
581 goto failed;
|
|
582 }
|
|
583
|
|
584 if (ngx_rename_file(src->data, to->data) != NGX_FILE_ERROR) {
|
|
585 return NGX_OK;
|
|
586 }
|
|
587
|
|
588 err = ngx_errno;
|
|
589 }
|
|
590
|
|
591 #if (NGX_WIN32)
|
|
592
|
|
593 if (err == NGX_EEXIST) {
|
556
|
594 err = ngx_win32_rename_file(src, to, ext->log);
|
356
|
595 }
|
|
596
|
|
597 #endif
|
|
598
|
514
|
599 if (err == NGX_EXDEV) {
|
|
600
|
|
601 cf.size = -1;
|
|
602 cf.buf_size = 0;
|
|
603 cf.access = ext->access;
|
|
604 cf.time = ext->time;
|
|
605 cf.log = ext->log;
|
|
606
|
516
|
607 name = ngx_alloc(to->len + 1 + 10 + 1, ext->log);
|
514
|
608 if (name == NULL) {
|
|
609 return NGX_ERROR;
|
|
610 }
|
|
611
|
516
|
612 (void) ngx_sprintf(name, "%*s.%010uD%Z", to->len, to->data,
|
514
|
613 (uint32_t) ngx_next_temp_number(0));
|
|
614
|
|
615 if (ngx_copy_file(src->data, name, &cf) == NGX_OK) {
|
|
616
|
516
|
617 if (ngx_rename_file(name, to->data) != NGX_FILE_ERROR) {
|
514
|
618 ngx_free(name);
|
516
|
619
|
|
620 if (ngx_delete_file(src->data) == NGX_FILE_ERROR) {
|
|
621 ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
|
|
622 ngx_delete_file_n " \"%s\" failed",
|
|
623 src->data);
|
|
624 return NGX_ERROR;
|
|
625 }
|
|
626
|
|
627 return NGX_OK;
|
514
|
628 }
|
|
629
|
516
|
630 ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
|
|
631 ngx_rename_file_n " \"%s\" to \"%s\" failed",
|
|
632 name, to->data);
|
514
|
633
|
516
|
634 if (ngx_delete_file(name) == NGX_FILE_ERROR) {
|
514
|
635 ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
|
516
|
636 ngx_delete_file_n " \"%s\" failed", name);
|
514
|
637
|
|
638 }
|
|
639 }
|
|
640
|
|
641 ngx_free(name);
|
516
|
642
|
|
643 err = 0;
|
514
|
644 }
|
|
645
|
356
|
646 failed:
|
|
647
|
366
|
648 if (ext->delete_file) {
|
356
|
649 if (ngx_delete_file(src->data) == NGX_FILE_ERROR) {
|
362
|
650 ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
|
356
|
651 ngx_delete_file_n " \"%s\" failed", src->data);
|
|
652 }
|
|
653 }
|
|
654
|
514
|
655 if (err) {
|
362
|
656 ngx_log_error(NGX_LOG_CRIT, ext->log, err,
|
356
|
657 ngx_rename_file_n " \"%s\" to \"%s\" failed",
|
|
658 src->data, to->data);
|
|
659 }
|
|
660
|
514
|
661 return NGX_ERROR;
|
|
662 }
|
|
663
|
|
664
|
|
665 ngx_int_t
|
|
666 ngx_copy_file(u_char *from, u_char *to, ngx_copy_file_t *cf)
|
|
667 {
|
|
668 char *buf;
|
|
669 off_t size;
|
|
670 size_t len;
|
|
671 ssize_t n;
|
|
672 ngx_fd_t fd, nfd;
|
|
673 ngx_int_t rc;
|
|
674 ngx_file_info_t fi;
|
|
675
|
|
676 rc = NGX_ERROR;
|
|
677 buf = NULL;
|
|
678 nfd = NGX_INVALID_FILE;
|
|
679
|
|
680 fd = ngx_open_file(from, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0);
|
|
681
|
|
682 if (fd == NGX_INVALID_FILE) {
|
|
683 ngx_log_error(NGX_LOG_CRIT, cf->log, ngx_errno,
|
|
684 ngx_open_file_n " \"%s\" failed", from);
|
|
685 goto failed;
|
|
686 }
|
|
687
|
|
688 if (cf->size != -1) {
|
|
689 size = cf->size;
|
|
690
|
|
691 } else {
|
|
692 if (ngx_fd_info(fd, &fi) == NGX_FILE_ERROR) {
|
|
693 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
694 ngx_fd_info_n " \"%s\" failed", from);
|
|
695
|
|
696 goto failed;
|
|
697 }
|
|
698
|
|
699 size = ngx_file_size(&fi);
|
|
700 }
|
|
701
|
|
702 len = cf->buf_size ? cf->buf_size : 65536;
|
|
703
|
|
704 if ((off_t) len > size) {
|
|
705 len = (size_t) size;
|
|
706 }
|
|
707
|
|
708 buf = ngx_alloc(len, cf->log);
|
|
709 if (buf == NULL) {
|
|
710 goto failed;
|
|
711 }
|
|
712
|
|
713 nfd = ngx_open_file(to, NGX_FILE_WRONLY, NGX_FILE_CREATE_OR_OPEN,
|
|
714 cf->access);
|
|
715
|
|
716 if (nfd == NGX_INVALID_FILE) {
|
|
717 ngx_log_error(NGX_LOG_CRIT, cf->log, ngx_errno,
|
|
718 ngx_open_file_n " \"%s\" failed", to);
|
|
719 goto failed;
|
|
720 }
|
|
721
|
|
722 while (size > 0) {
|
430
|
723
|
514
|
724 if ((off_t) len > size) {
|
|
725 len = (size_t) size;
|
|
726 }
|
|
727
|
|
728 n = ngx_read_fd(fd, buf, len);
|
|
729
|
|
730 if (n == NGX_FILE_ERROR) {
|
|
731 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
732 ngx_read_fd_n " \"%s\" failed", from);
|
|
733 goto failed;
|
|
734 }
|
|
735
|
|
736 if ((size_t) n != len) {
|
|
737 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
738 ngx_read_fd_n " has read only %z of %uz from %s",
|
|
739 n, size, from);
|
|
740 goto failed;
|
|
741 }
|
|
742
|
|
743 n = ngx_write_fd(nfd, buf, len);
|
|
744
|
|
745 if (n == NGX_FILE_ERROR) {
|
|
746 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
747 ngx_write_fd_n " \"%s\" failed", to);
|
|
748 goto failed;
|
|
749 }
|
|
750
|
|
751 if ((size_t) n != len) {
|
|
752 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
753 ngx_write_fd_n " has written only %z of %uz to %s",
|
|
754 n, size, to);
|
|
755 goto failed;
|
|
756 }
|
|
757
|
|
758 size -= n;
|
|
759 }
|
|
760
|
|
761 if (ngx_set_file_time(to, nfd, cf->time) != NGX_OK) {
|
|
762 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
763 ngx_set_file_time_n " \"%s\" failed", to);
|
|
764 goto failed;
|
|
765 }
|
|
766
|
|
767 rc = NGX_OK;
|
|
768
|
|
769 failed:
|
|
770
|
|
771 if (nfd != NGX_INVALID_FILE) {
|
|
772 if (ngx_close_file(nfd) == NGX_FILE_ERROR) {
|
|
773 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
774 ngx_close_file_n " \"%s\" failed", to);
|
|
775 }
|
|
776 }
|
|
777
|
|
778 if (fd != NGX_INVALID_FILE) {
|
|
779 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
780 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
781 ngx_close_file_n " \"%s\" failed", from);
|
|
782 }
|
|
783 }
|
|
784
|
|
785 if (buf) {
|
|
786 ngx_free(buf);
|
|
787 }
|
|
788
|
|
789 return rc;
|
356
|
790 }
|
|
791
|
|
792
|
|
793 /*
|
|
794 * ctx->init_handler() - see ctx->alloc
|
|
795 * ctx->file_handler() - file handler
|
|
796 * ctx->pre_tree_handler() - handler is called before entering directory
|
|
797 * ctx->post_tree_handler() - handler is called after leaving directory
|
|
798 * ctx->spec_handler() - special (socket, FIFO, etc.) file handler
|
|
799 *
|
|
800 * ctx->data - some data structure, it may be the same on all levels, or
|
|
801 * reallocated if ctx->alloc is nonzero
|
|
802 *
|
|
803 * ctx->alloc - a size of data structure that is allocated at every level
|
|
804 * and is initilialized by ctx->init_handler()
|
|
805 *
|
|
806 * ctx->log - a log
|
|
807 *
|
|
808 * on fatal (memory) error handler must return NGX_ABORT to stop walking tree
|
|
809 */
|
|
810
|
|
811 ngx_int_t
|
272
|
812 ngx_walk_tree(ngx_tree_ctx_t *ctx, ngx_str_t *tree)
|
|
813 {
|
|
814 void *data, *prev;
|
|
815 u_char *p, *name;
|
|
816 size_t len;
|
|
817 ngx_int_t rc;
|
|
818 ngx_err_t err;
|
|
819 ngx_str_t file, buf;
|
|
820 ngx_dir_t dir;
|
|
821
|
|
822 buf.len = 0;
|
|
823 buf.data = NULL;
|
|
824
|
|
825 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
|
|
826 "walk tree \"%V\"", tree);
|
|
827
|
|
828 if (ngx_open_dir(tree, &dir) == NGX_ERROR) {
|
|
829 ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
|
|
830 ngx_open_dir_n " \"%s\" failed", tree->data);
|
|
831 return NGX_ERROR;
|
|
832 }
|
|
833
|
|
834 prev = ctx->data;
|
|
835
|
276
|
836 if (ctx->alloc) {
|
|
837 data = ngx_alloc(ctx->alloc, ctx->log);
|
272
|
838 if (data == NULL) {
|
|
839 goto failed;
|
|
840 }
|
|
841
|
|
842 if (ctx->init_handler(data, prev) == NGX_ABORT) {
|
|
843 goto failed;
|
|
844 }
|
|
845
|
|
846 ctx->data = data;
|
322
|
847
|
|
848 } else {
|
|
849 data = NULL;
|
272
|
850 }
|
|
851
|
|
852 for ( ;; ) {
|
|
853
|
|
854 ngx_set_errno(0);
|
|
855
|
|
856 if (ngx_read_dir(&dir) == NGX_ERROR) {
|
|
857 err = ngx_errno;
|
|
858
|
|
859 if (err == NGX_ENOMOREFILES) {
|
|
860 rc = NGX_OK;
|
|
861
|
|
862 } else {
|
|
863 ngx_log_error(NGX_LOG_CRIT, ctx->log, err,
|
|
864 ngx_read_dir_n " \"%s\" failed", tree->data);
|
|
865 rc = NGX_ERROR;
|
|
866 }
|
|
867
|
|
868 goto done;
|
|
869 }
|
|
870
|
|
871 len = ngx_de_namelen(&dir);
|
|
872 name = ngx_de_name(&dir);
|
|
873
|
|
874 ngx_log_debug2(NGX_LOG_DEBUG_CORE, ctx->log, 0,
|
|
875 "tree name %uz:\"%s\"", len, name);
|
|
876
|
|
877 if (len == 1 && name[0] == '.') {
|
|
878 continue;
|
|
879 }
|
|
880
|
|
881 if (len == 2 && name[0] == '.' && name[1] == '.') {
|
|
882 continue;
|
|
883 }
|
|
884
|
|
885 file.len = tree->len + 1 + len;
|
|
886
|
|
887 if (file.len + NGX_DIR_MASK_LEN > buf.len) {
|
|
888
|
|
889 if (buf.len) {
|
|
890 ngx_free(buf.data);
|
|
891 }
|
|
892
|
|
893 buf.len = tree->len + 1 + len + NGX_DIR_MASK_LEN;
|
|
894
|
|
895 buf.data = ngx_alloc(buf.len + 1, ctx->log);
|
|
896 if (buf.data == NULL) {
|
|
897 goto failed;
|
|
898 }
|
|
899 }
|
|
900
|
|
901 p = ngx_cpymem(buf.data, tree->data, tree->len);
|
|
902 *p++ = '/';
|
|
903 ngx_memcpy(p, name, len + 1);
|
|
904
|
|
905 file.data = buf.data;
|
|
906
|
|
907 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
|
|
908 "tree path \"%s\"", file.data);
|
|
909
|
|
910 if (!dir.valid_info) {
|
|
911 if (ngx_de_info(file.data, &dir) == NGX_FILE_ERROR) {
|
|
912 ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
|
|
913 ngx_de_info_n " \"%s\" failed", file.data);
|
|
914 continue;
|
|
915 }
|
|
916 }
|
|
917
|
|
918 if (ngx_de_is_file(&dir)) {
|
|
919
|
|
920 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
|
|
921 "tree file \"%s\"", file.data);
|
|
922
|
276
|
923 ctx->size = ngx_de_size(&dir);
|
|
924 ctx->access = ngx_de_access(&dir);
|
|
925 ctx->mtime = ngx_de_mtime(&dir);
|
|
926
|
272
|
927 if (ctx->file_handler(ctx, &file) == NGX_ABORT) {
|
|
928 goto failed;
|
|
929 }
|
|
930
|
|
931 } else if (ngx_de_is_dir(&dir)) {
|
|
932
|
|
933 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
|
|
934 "tree enter dir \"%s\"", file.data);
|
|
935
|
276
|
936 ctx->access = ngx_de_access(&dir);
|
|
937 ctx->mtime = ngx_de_mtime(&dir);
|
|
938
|
272
|
939 if (ctx->pre_tree_handler(ctx, &file) == NGX_ABORT) {
|
|
940 goto failed;
|
|
941 }
|
|
942
|
|
943 if (ngx_walk_tree(ctx, &file) == NGX_ABORT) {
|
|
944 goto failed;
|
|
945 }
|
|
946
|
276
|
947 ctx->access = ngx_de_access(&dir);
|
|
948 ctx->mtime = ngx_de_mtime(&dir);
|
|
949
|
272
|
950 if (ctx->post_tree_handler(ctx, &file) == NGX_ABORT) {
|
|
951 goto failed;
|
|
952 }
|
|
953
|
|
954 } else {
|
|
955
|
|
956 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
|
|
957 "tree special \"%s\"", file.data);
|
|
958
|
|
959 if (ctx->spec_handler(ctx, &file) == NGX_ABORT) {
|
|
960 goto failed;
|
|
961 }
|
|
962 }
|
|
963 }
|
|
964
|
|
965 failed:
|
|
966
|
|
967 rc = NGX_ABORT;
|
|
968
|
|
969 done:
|
|
970
|
|
971 if (buf.len) {
|
|
972 ngx_free(buf.data);
|
|
973 }
|
|
974
|
322
|
975 if (data) {
|
|
976 ngx_free(data);
|
272
|
977 ctx->data = prev;
|
|
978 }
|
|
979
|
|
980 if (ngx_close_dir(&dir) == NGX_ERROR) {
|
|
981 ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
|
|
982 ngx_close_dir_n " \"%s\" failed", tree->data);
|
|
983 }
|
|
984
|
|
985 return rc;
|
|
986 }
|