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