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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 {
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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) {
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186
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204 err = ngx_errno;
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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;
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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 }
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0
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257
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16
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258 value = cf->args->elts;
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0
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259
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260 path->name = value[1];
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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
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454
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266 if (ngx_conf_full_name(cf->cycle, &path->name, 0) != NGX_OK) {
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178
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267 return NULL;
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268 }
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269
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0
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270 path->len = 0;
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514
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271 path->manager = NULL;
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272 path->loader = NULL;
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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;
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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";
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280 }
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281
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282 path->level[i] = level;
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283 path->len += level + 1;
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284 }
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285
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286 while (i < 3) {
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287 path->level[i++] = 0;
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288 }
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289
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28
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290 *slot = path;
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16
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291
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28
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292 if (ngx_add_path(cf, slot) == NGX_ERROR) {
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293 return NGX_CONF_ERROR;
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294 }
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295
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296 return NGX_CONF_OK;
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297 }
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298
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299
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318
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300 char *
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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 {
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304 if (*path) {
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305 return NGX_CONF_OK;
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306 }
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307
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308 if (prev) {
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309 *path = prev;
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310 return NGX_CONF_OK;
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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;
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316 }
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317
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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;
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322 }
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323
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324 (*path)->level[0] = init->level[0];
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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
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468
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332 (*path)->manager = NULL;
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514
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333 (*path)->loader = NULL;
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464
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334 (*path)->conf_file = NULL;
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335
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336 if (ngx_add_path(cf, path) != NGX_OK) {
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337 return NGX_CONF_ERROR;
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338 }
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339
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340 return NGX_CONF_OK;
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341 }
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342
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343
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|
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344 char *
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318
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345 ngx_conf_set_access_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
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346 {
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347 char *confp = conf;
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348
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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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|
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353 access = (ngx_uint_t *) (confp + cmd->offset);
|
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320
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354
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318
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355 if (*access != NGX_CONF_UNSET_UINT) {
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356 return "is duplicate";
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|
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357 }
|
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320
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358
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318
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359 value = cf->args->elts;
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360
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|
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361 *access = 0600;
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362
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|
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363 for (i = 1; i < cf->args->nelts; i++) {
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364
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|
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365 p = value[i].data;
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366
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|
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367 if (ngx_strncmp(p, "user:", sizeof("user:") - 1) == 0) {
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368 shift = 6;
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369 p += sizeof("user:") - 1;
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370
|
|
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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;
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374
|
|
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375 } else if (ngx_strncmp(p, "all:", sizeof("all:") - 1) == 0) {
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376 shift = 0;
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377 p += sizeof("all:") - 1;
|
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378
|
|
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379 } else {
|
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380 goto invalid;
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381 }
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382
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|
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383 if (ngx_strcmp(p, "rw") == 0) {
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384 right = 6;
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385
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|
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386 } else if (ngx_strcmp(p, "r") == 0) {
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387 right = 4;
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388
|
|
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389 } else {
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390 goto invalid;
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391 }
|
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392
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|
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393 *access |= right << shift;
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394 }
|
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320
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395
|
|
318
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396 return NGX_CONF_OK;
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397
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|
|
398 invalid:
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399
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|
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400 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid value \"%V\"", &value[i]);
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401
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|
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402 return NGX_CONF_ERROR;
|
|
|
403 }
|
|
|
404
|
|
|
405
|
|
42
|
406 ngx_int_t
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|
|
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
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|
|
412 path = *slot;
|
|
|
413
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|
|
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);
|
|
558
|
595
|
|
|
596 if (err == 0) {
|
|
|
597 return NGX_OK;
|
|
|
598 }
|
|
356
|
599 }
|
|
|
600
|
|
|
601 #endif
|
|
|
602
|
|
514
|
603 if (err == NGX_EXDEV) {
|
|
|
604
|
|
|
605 cf.size = -1;
|
|
|
606 cf.buf_size = 0;
|
|
|
607 cf.access = ext->access;
|
|
|
608 cf.time = ext->time;
|
|
|
609 cf.log = ext->log;
|
|
|
610
|
|
516
|
611 name = ngx_alloc(to->len + 1 + 10 + 1, ext->log);
|
|
514
|
612 if (name == NULL) {
|
|
|
613 return NGX_ERROR;
|
|
|
614 }
|
|
|
615
|
|
516
|
616 (void) ngx_sprintf(name, "%*s.%010uD%Z", to->len, to->data,
|
|
514
|
617 (uint32_t) ngx_next_temp_number(0));
|
|
|
618
|
|
|
619 if (ngx_copy_file(src->data, name, &cf) == NGX_OK) {
|
|
|
620
|
|
516
|
621 if (ngx_rename_file(name, to->data) != NGX_FILE_ERROR) {
|
|
514
|
622 ngx_free(name);
|
|
516
|
623
|
|
|
624 if (ngx_delete_file(src->data) == NGX_FILE_ERROR) {
|
|
|
625 ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
|
|
|
626 ngx_delete_file_n " \"%s\" failed",
|
|
|
627 src->data);
|
|
|
628 return NGX_ERROR;
|
|
|
629 }
|
|
|
630
|
|
|
631 return NGX_OK;
|
|
514
|
632 }
|
|
|
633
|
|
516
|
634 ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
|
|
|
635 ngx_rename_file_n " \"%s\" to \"%s\" failed",
|
|
|
636 name, to->data);
|
|
514
|
637
|
|
516
|
638 if (ngx_delete_file(name) == NGX_FILE_ERROR) {
|
|
514
|
639 ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
|
|
516
|
640 ngx_delete_file_n " \"%s\" failed", name);
|
|
514
|
641
|
|
|
642 }
|
|
|
643 }
|
|
|
644
|
|
|
645 ngx_free(name);
|
|
516
|
646
|
|
|
647 err = 0;
|
|
514
|
648 }
|
|
|
649
|
|
356
|
650 failed:
|
|
|
651
|
|
366
|
652 if (ext->delete_file) {
|
|
356
|
653 if (ngx_delete_file(src->data) == NGX_FILE_ERROR) {
|
|
362
|
654 ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
|
|
356
|
655 ngx_delete_file_n " \"%s\" failed", src->data);
|
|
|
656 }
|
|
|
657 }
|
|
|
658
|
|
514
|
659 if (err) {
|
|
362
|
660 ngx_log_error(NGX_LOG_CRIT, ext->log, err,
|
|
356
|
661 ngx_rename_file_n " \"%s\" to \"%s\" failed",
|
|
|
662 src->data, to->data);
|
|
|
663 }
|
|
|
664
|
|
514
|
665 return NGX_ERROR;
|
|
|
666 }
|
|
|
667
|
|
|
668
|
|
|
669 ngx_int_t
|
|
|
670 ngx_copy_file(u_char *from, u_char *to, ngx_copy_file_t *cf)
|
|
|
671 {
|
|
|
672 char *buf;
|
|
|
673 off_t size;
|
|
|
674 size_t len;
|
|
|
675 ssize_t n;
|
|
|
676 ngx_fd_t fd, nfd;
|
|
|
677 ngx_int_t rc;
|
|
|
678 ngx_file_info_t fi;
|
|
|
679
|
|
|
680 rc = NGX_ERROR;
|
|
|
681 buf = NULL;
|
|
|
682 nfd = NGX_INVALID_FILE;
|
|
|
683
|
|
|
684 fd = ngx_open_file(from, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0);
|
|
|
685
|
|
|
686 if (fd == NGX_INVALID_FILE) {
|
|
|
687 ngx_log_error(NGX_LOG_CRIT, cf->log, ngx_errno,
|
|
|
688 ngx_open_file_n " \"%s\" failed", from);
|
|
|
689 goto failed;
|
|
|
690 }
|
|
|
691
|
|
|
692 if (cf->size != -1) {
|
|
|
693 size = cf->size;
|
|
|
694
|
|
|
695 } else {
|
|
|
696 if (ngx_fd_info(fd, &fi) == NGX_FILE_ERROR) {
|
|
|
697 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
|
698 ngx_fd_info_n " \"%s\" failed", from);
|
|
|
699
|
|
|
700 goto failed;
|
|
|
701 }
|
|
|
702
|
|
|
703 size = ngx_file_size(&fi);
|
|
|
704 }
|
|
|
705
|
|
|
706 len = cf->buf_size ? cf->buf_size : 65536;
|
|
|
707
|
|
|
708 if ((off_t) len > size) {
|
|
|
709 len = (size_t) size;
|
|
|
710 }
|
|
|
711
|
|
|
712 buf = ngx_alloc(len, cf->log);
|
|
|
713 if (buf == NULL) {
|
|
|
714 goto failed;
|
|
|
715 }
|
|
|
716
|
|
|
717 nfd = ngx_open_file(to, NGX_FILE_WRONLY, NGX_FILE_CREATE_OR_OPEN,
|
|
|
718 cf->access);
|
|
|
719
|
|
|
720 if (nfd == NGX_INVALID_FILE) {
|
|
|
721 ngx_log_error(NGX_LOG_CRIT, cf->log, ngx_errno,
|
|
|
722 ngx_open_file_n " \"%s\" failed", to);
|
|
|
723 goto failed;
|
|
|
724 }
|
|
|
725
|
|
|
726 while (size > 0) {
|
|
430
|
727
|
|
514
|
728 if ((off_t) len > size) {
|
|
|
729 len = (size_t) size;
|
|
|
730 }
|
|
|
731
|
|
|
732 n = ngx_read_fd(fd, buf, len);
|
|
|
733
|
|
|
734 if (n == NGX_FILE_ERROR) {
|
|
|
735 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
|
736 ngx_read_fd_n " \"%s\" failed", from);
|
|
|
737 goto failed;
|
|
|
738 }
|
|
|
739
|
|
|
740 if ((size_t) n != len) {
|
|
|
741 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
|
742 ngx_read_fd_n " has read only %z of %uz from %s",
|
|
|
743 n, size, from);
|
|
|
744 goto failed;
|
|
|
745 }
|
|
|
746
|
|
|
747 n = ngx_write_fd(nfd, buf, len);
|
|
|
748
|
|
|
749 if (n == NGX_FILE_ERROR) {
|
|
|
750 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
|
751 ngx_write_fd_n " \"%s\" failed", to);
|
|
|
752 goto failed;
|
|
|
753 }
|
|
|
754
|
|
|
755 if ((size_t) n != len) {
|
|
|
756 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
|
757 ngx_write_fd_n " has written only %z of %uz to %s",
|
|
|
758 n, size, to);
|
|
|
759 goto failed;
|
|
|
760 }
|
|
|
761
|
|
|
762 size -= n;
|
|
|
763 }
|
|
|
764
|
|
|
765 if (ngx_set_file_time(to, nfd, cf->time) != NGX_OK) {
|
|
|
766 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
|
767 ngx_set_file_time_n " \"%s\" failed", to);
|
|
|
768 goto failed;
|
|
|
769 }
|
|
|
770
|
|
|
771 rc = NGX_OK;
|
|
|
772
|
|
|
773 failed:
|
|
|
774
|
|
|
775 if (nfd != NGX_INVALID_FILE) {
|
|
|
776 if (ngx_close_file(nfd) == NGX_FILE_ERROR) {
|
|
|
777 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
|
778 ngx_close_file_n " \"%s\" failed", to);
|
|
|
779 }
|
|
|
780 }
|
|
|
781
|
|
|
782 if (fd != NGX_INVALID_FILE) {
|
|
|
783 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
784 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
|
785 ngx_close_file_n " \"%s\" failed", from);
|
|
|
786 }
|
|
|
787 }
|
|
|
788
|
|
|
789 if (buf) {
|
|
|
790 ngx_free(buf);
|
|
|
791 }
|
|
|
792
|
|
|
793 return rc;
|
|
356
|
794 }
|
|
|
795
|
|
|
796
|
|
|
797 /*
|
|
|
798 * ctx->init_handler() - see ctx->alloc
|
|
|
799 * ctx->file_handler() - file handler
|
|
|
800 * ctx->pre_tree_handler() - handler is called before entering directory
|
|
|
801 * ctx->post_tree_handler() - handler is called after leaving directory
|
|
|
802 * ctx->spec_handler() - special (socket, FIFO, etc.) file handler
|
|
|
803 *
|
|
|
804 * ctx->data - some data structure, it may be the same on all levels, or
|
|
|
805 * reallocated if ctx->alloc is nonzero
|
|
|
806 *
|
|
|
807 * ctx->alloc - a size of data structure that is allocated at every level
|
|
|
808 * and is initilialized by ctx->init_handler()
|
|
|
809 *
|
|
|
810 * ctx->log - a log
|
|
|
811 *
|
|
|
812 * on fatal (memory) error handler must return NGX_ABORT to stop walking tree
|
|
|
813 */
|
|
|
814
|
|
|
815 ngx_int_t
|
|
272
|
816 ngx_walk_tree(ngx_tree_ctx_t *ctx, ngx_str_t *tree)
|
|
|
817 {
|
|
|
818 void *data, *prev;
|
|
|
819 u_char *p, *name;
|
|
|
820 size_t len;
|
|
|
821 ngx_int_t rc;
|
|
|
822 ngx_err_t err;
|
|
|
823 ngx_str_t file, buf;
|
|
|
824 ngx_dir_t dir;
|
|
|
825
|
|
|
826 buf.len = 0;
|
|
|
827 buf.data = NULL;
|
|
|
828
|
|
|
829 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
|
|
|
830 "walk tree \"%V\"", tree);
|
|
|
831
|
|
|
832 if (ngx_open_dir(tree, &dir) == NGX_ERROR) {
|
|
|
833 ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
|
|
|
834 ngx_open_dir_n " \"%s\" failed", tree->data);
|
|
|
835 return NGX_ERROR;
|
|
|
836 }
|
|
|
837
|
|
|
838 prev = ctx->data;
|
|
|
839
|
|
276
|
840 if (ctx->alloc) {
|
|
|
841 data = ngx_alloc(ctx->alloc, ctx->log);
|
|
272
|
842 if (data == NULL) {
|
|
|
843 goto failed;
|
|
|
844 }
|
|
|
845
|
|
|
846 if (ctx->init_handler(data, prev) == NGX_ABORT) {
|
|
|
847 goto failed;
|
|
|
848 }
|
|
|
849
|
|
|
850 ctx->data = data;
|
|
322
|
851
|
|
|
852 } else {
|
|
|
853 data = NULL;
|
|
272
|
854 }
|
|
|
855
|
|
|
856 for ( ;; ) {
|
|
|
857
|
|
|
858 ngx_set_errno(0);
|
|
|
859
|
|
|
860 if (ngx_read_dir(&dir) == NGX_ERROR) {
|
|
|
861 err = ngx_errno;
|
|
|
862
|
|
|
863 if (err == NGX_ENOMOREFILES) {
|
|
|
864 rc = NGX_OK;
|
|
|
865
|
|
|
866 } else {
|
|
|
867 ngx_log_error(NGX_LOG_CRIT, ctx->log, err,
|
|
|
868 ngx_read_dir_n " \"%s\" failed", tree->data);
|
|
|
869 rc = NGX_ERROR;
|
|
|
870 }
|
|
|
871
|
|
|
872 goto done;
|
|
|
873 }
|
|
|
874
|
|
|
875 len = ngx_de_namelen(&dir);
|
|
|
876 name = ngx_de_name(&dir);
|
|
|
877
|
|
|
878 ngx_log_debug2(NGX_LOG_DEBUG_CORE, ctx->log, 0,
|
|
|
879 "tree name %uz:\"%s\"", len, name);
|
|
|
880
|
|
|
881 if (len == 1 && name[0] == '.') {
|
|
|
882 continue;
|
|
|
883 }
|
|
|
884
|
|
|
885 if (len == 2 && name[0] == '.' && name[1] == '.') {
|
|
|
886 continue;
|
|
|
887 }
|
|
|
888
|
|
|
889 file.len = tree->len + 1 + len;
|
|
|
890
|
|
|
891 if (file.len + NGX_DIR_MASK_LEN > buf.len) {
|
|
|
892
|
|
|
893 if (buf.len) {
|
|
|
894 ngx_free(buf.data);
|
|
|
895 }
|
|
|
896
|
|
|
897 buf.len = tree->len + 1 + len + NGX_DIR_MASK_LEN;
|
|
|
898
|
|
|
899 buf.data = ngx_alloc(buf.len + 1, ctx->log);
|
|
|
900 if (buf.data == NULL) {
|
|
|
901 goto failed;
|
|
|
902 }
|
|
|
903 }
|
|
|
904
|
|
|
905 p = ngx_cpymem(buf.data, tree->data, tree->len);
|
|
|
906 *p++ = '/';
|
|
|
907 ngx_memcpy(p, name, len + 1);
|
|
|
908
|
|
|
909 file.data = buf.data;
|
|
|
910
|
|
|
911 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
|
|
|
912 "tree path \"%s\"", file.data);
|
|
|
913
|
|
|
914 if (!dir.valid_info) {
|
|
|
915 if (ngx_de_info(file.data, &dir) == NGX_FILE_ERROR) {
|
|
|
916 ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
|
|
|
917 ngx_de_info_n " \"%s\" failed", file.data);
|
|
|
918 continue;
|
|
|
919 }
|
|
|
920 }
|
|
|
921
|
|
|
922 if (ngx_de_is_file(&dir)) {
|
|
|
923
|
|
|
924 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
|
|
|
925 "tree file \"%s\"", file.data);
|
|
|
926
|
|
276
|
927 ctx->size = ngx_de_size(&dir);
|
|
|
928 ctx->access = ngx_de_access(&dir);
|
|
|
929 ctx->mtime = ngx_de_mtime(&dir);
|
|
|
930
|
|
272
|
931 if (ctx->file_handler(ctx, &file) == NGX_ABORT) {
|
|
|
932 goto failed;
|
|
|
933 }
|
|
|
934
|
|
|
935 } else if (ngx_de_is_dir(&dir)) {
|
|
|
936
|
|
|
937 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
|
|
|
938 "tree enter dir \"%s\"", file.data);
|
|
|
939
|
|
276
|
940 ctx->access = ngx_de_access(&dir);
|
|
|
941 ctx->mtime = ngx_de_mtime(&dir);
|
|
|
942
|
|
272
|
943 if (ctx->pre_tree_handler(ctx, &file) == NGX_ABORT) {
|
|
|
944 goto failed;
|
|
|
945 }
|
|
|
946
|
|
|
947 if (ngx_walk_tree(ctx, &file) == NGX_ABORT) {
|
|
|
948 goto failed;
|
|
|
949 }
|
|
|
950
|
|
276
|
951 ctx->access = ngx_de_access(&dir);
|
|
|
952 ctx->mtime = ngx_de_mtime(&dir);
|
|
|
953
|
|
272
|
954 if (ctx->post_tree_handler(ctx, &file) == NGX_ABORT) {
|
|
|
955 goto failed;
|
|
|
956 }
|
|
|
957
|
|
|
958 } else {
|
|
|
959
|
|
|
960 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
|
|
|
961 "tree special \"%s\"", file.data);
|
|
|
962
|
|
|
963 if (ctx->spec_handler(ctx, &file) == NGX_ABORT) {
|
|
|
964 goto failed;
|
|
|
965 }
|
|
|
966 }
|
|
|
967 }
|
|
|
968
|
|
|
969 failed:
|
|
|
970
|
|
|
971 rc = NGX_ABORT;
|
|
|
972
|
|
|
973 done:
|
|
|
974
|
|
|
975 if (buf.len) {
|
|
|
976 ngx_free(buf.data);
|
|
|
977 }
|
|
|
978
|
|
322
|
979 if (data) {
|
|
|
980 ngx_free(data);
|
|
272
|
981 ctx->data = prev;
|
|
|
982 }
|
|
|
983
|
|
|
984 if (ngx_close_dir(&dir) == NGX_ERROR) {
|
|
|
985 ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
|
|
|
986 ngx_close_dir_n " \"%s\" failed", tree->data);
|
|
|
987 }
|
|
|
988
|
|
|
989 return rc;
|
|
|
990 }
|
