Mercurial > hg > nginx
annotate src/http/modules/ngx_http_index_handler.c @ 24:77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 10 Dec 2002 18:05:12 +0000 |
parents | f323b4f74e4a |
children | 53cb81681040 |
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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4 #include <ngx_errno.h> |
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5 #include <ngx_string.h> |
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6 #include <ngx_files.h> |
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7 #include <ngx_config_command.h> |
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8 #include <ngx_http.h> |
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9 #include <ngx_http_config.h> |
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10 #include <ngx_http_index_handler.h> |
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12 |
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13 static void *ngx_http_index_create_conf(ngx_pool_t *pool); |
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14 static void *ngx_http_index_merge_conf(ngx_pool_t *p, |
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15 void *parent, void *child); |
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16 static char *ngx_http_index_set_index(ngx_pool_t *p, void *conf, |
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17 ngx_str_t *value); |
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18 |
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19 static ngx_command_t ngx_http_index_commands[]; |
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21 |
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22 ngx_http_module_t ngx_http_index_module = { |
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23 NGX_HTTP_MODULE, |
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24 |
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25 NULL, /* create server config */ |
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26 ngx_http_index_create_conf, /* create location config */ |
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27 ngx_http_index_commands, /* module directives */ |
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28 |
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29 NULL, /* init module */ |
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30 NULL, /* translate handler */ |
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31 |
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32 NULL, /* init output body filter */ |
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33 }; |
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34 |
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35 |
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36 static ngx_command_t ngx_http_index_commands[] = { |
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37 |
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38 {"index", ngx_http_index_set_index, NULL, |
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39 NGX_HTTP_LOC_CONF, NGX_CONF_ITERATE, |
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40 "set index files"}, |
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41 |
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42 {NULL} |
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43 |
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44 }; |
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45 |
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47 int ngx_http_index_handler(ngx_http_request_t *r) |
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48 { |
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49 int i; |
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50 char *name, *file; |
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51 ngx_str_t loc, *index; |
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52 ngx_err_t err; |
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53 ngx_fd_t fd; |
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54 |
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55 ngx_http_index_conf_t *cf; |
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56 |
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57 cf = (ngx_http_index_conf_t *) |
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58 ngx_get_module_loc_conf(r, ngx_http_index_module); |
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59 |
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60 ngx_test_null(name, |
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61 ngx_palloc(r->pool, |
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62 r->server->doc_root_len + r->uri.len |
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63 + cf->max_index_len), |
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64 NGX_HTTP_INTERNAL_SERVER_ERROR); |
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65 |
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66 loc.data = ngx_cpystrn(name, r->server->doc_root, r->server->doc_root_len); |
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67 file = ngx_cpystrn(loc.data, r->uri.data, r->uri.len + 1); |
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68 |
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69 index = (ngx_str_t *) cf->indices->elts; |
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70 for (i = 0; i < cf->indices->nelts; i++) { |
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71 ngx_memcpy(file, index[i].data, index[i].len + 1); |
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72 |
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73 fd = ngx_open_file(name, NGX_FILE_RDONLY); |
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74 if (fd == -1) { |
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75 err = ngx_errno; |
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76 if (err == NGX_ENOENT) |
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77 continue; |
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78 |
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79 ngx_log_error(NGX_LOG_ERR, r->connection->log, err, |
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80 ngx_open_file_n " %s failed", name); |
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81 |
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82 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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83 } |
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84 |
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85 r->filename.len = r->server->doc_root_len + r->uri.len + index[i].len; |
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86 r->filename.data = name; |
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87 r->fd = fd; |
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88 |
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89 loc.len = r->uri.len + index[i].len; |
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90 return ngx_http_internal_redirect(r, loc); |
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91 } |
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92 |
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93 return NGX_DECLINED; |
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94 } |
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95 |
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96 |
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97 static void *ngx_http_index_create_conf(ngx_pool_t *pool) |
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98 { |
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99 ngx_http_index_conf_t *conf; |
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100 |
10
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101 ngx_test_null(conf, ngx_pcalloc(pool, sizeof(ngx_http_index_conf_t)), NULL); |
0
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102 |
10
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103 ngx_test_null(conf->indices, |
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104 ngx_create_array(pool, sizeof(ngx_str_t), 3), |
10
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105 NULL); |
0
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106 |
10
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107 return conf; |
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108 } |
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109 |
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110 |
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111 static void *ngx_http_index_merge_conf(ngx_pool_t *p, void *parent, void *child) |
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112 { |
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113 ngx_http_index_conf_t *prev = (ngx_http_index_conf_t *) parent; |
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114 ngx_http_index_conf_t *conf = (ngx_http_index_conf_t *) child; |
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115 ngx_str_t *index; |
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116 |
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117 if (conf->max_index_len == 0) { |
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118 if (prev->max_index_len != 0) |
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119 return prev; |
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120 |
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121 ngx_test_null(index, ngx_push_array(conf->indices), NULL); |
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122 index->len = sizeof(NGX_HTTP_INDEX) - 1; |
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123 index->data = NGX_HTTP_INDEX; |
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124 conf->max_index_len = sizeof(NGX_HTTP_INDEX); |
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125 } |
10
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126 |
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127 return conf; |
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128 } |
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129 |
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130 |
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131 static char *ngx_http_index_set_index(ngx_pool_t *p, void *conf, |
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132 ngx_str_t *value) |
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133 { |
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134 ngx_http_index_conf_t *cf = (ngx_http_index_conf_t *) conf; |
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135 ngx_str_t *index; |
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136 |
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137 ngx_test_null(index, ngx_push_array(cf->indices), NULL); |
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138 index->len = value->len; |
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139 index->data = value->data; |
0
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140 |
10
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141 if (cf->max_index_len < index->len) |
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142 cf->max_index_len = index->len; |
0
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143 |
10
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144 return NULL; |
0
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145 } |