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46
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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 #include <ngx_http.h>
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10
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102
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11 #define NGX_HTTP_SSI_ERROR 1
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12
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13 #define NGX_HTTP_SSI_DATE_LEN 2048
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14
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15 #define NGX_HTTP_SSI_ADD_PREFIX 1
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178
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16 #define NGX_HTTP_SSI_ADD_ZERO 2
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184
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17 #define NGX_HTTP_SSI_EXPR_TEST 4
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58
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18
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46
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19
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20 typedef struct {
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146
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21 ngx_flag_t enable;
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22 ngx_flag_t silent_errors;
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23 ngx_flag_t ignore_recycled_buffers;
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24
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394
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25 ngx_hash_t types;
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146
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26
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27 size_t min_file_chunk;
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28 size_t value_len;
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394
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29
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30 ngx_array_t *types_keys;
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146
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31 } ngx_http_ssi_loc_conf_t;
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102
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32
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33
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34 typedef struct {
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146
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35 ngx_str_t name;
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160
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36 ngx_uint_t key;
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146
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37 ngx_str_t value;
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38 } ngx_http_ssi_var_t;
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46
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39
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40
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216
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41 typedef struct {
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42 ngx_str_t name;
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43 ngx_chain_t *bufs;
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44 ngx_uint_t count;
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45 } ngx_http_ssi_block_t;
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46
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47
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46
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48 typedef enum {
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49 ssi_start_state = 0,
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50 ssi_tag_state,
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51 ssi_comment0_state,
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52 ssi_comment1_state,
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53 ssi_sharp_state,
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54 ssi_precommand_state,
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55 ssi_command_state,
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56 ssi_preparam_state,
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57 ssi_param_state,
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58 ssi_preequal_state,
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59 ssi_prevalue_state,
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60 ssi_double_quoted_value_state,
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61 ssi_quoted_value_state,
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62 ssi_quoted_symbol_state,
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63 ssi_postparam_state,
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64 ssi_comment_end0_state,
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65 ssi_comment_end1_state,
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66 ssi_error_state,
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67 ssi_error_end0_state,
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68 ssi_error_end1_state
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69 } ngx_http_ssi_state_e;
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70
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71
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58
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72 static ngx_int_t ngx_http_ssi_output(ngx_http_request_t *r,
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73 ngx_http_ssi_ctx_t *ctx);
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46
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74 static ngx_int_t ngx_http_ssi_parse(ngx_http_request_t *r,
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75 ngx_http_ssi_ctx_t *ctx);
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102
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76 static ngx_str_t *ngx_http_ssi_get_variable(ngx_http_request_t *r,
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160
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77 ngx_str_t *name, ngx_uint_t key);
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102
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78 static ngx_int_t ngx_http_ssi_evaluate_string(ngx_http_request_t *r,
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79 ngx_http_ssi_ctx_t *ctx, ngx_str_t *text, ngx_uint_t flags);
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80
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81 static ngx_int_t ngx_http_ssi_include(ngx_http_request_t *r,
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82 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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248
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83 static ngx_int_t ngx_http_ssi_stub_output(ngx_http_request_t *r, void *data,
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84 ngx_int_t rc);
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85 static ngx_int_t ngx_http_ssi_set_variable(ngx_http_request_t *r, void *data,
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86 ngx_int_t rc);
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46
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87 static ngx_int_t ngx_http_ssi_echo(ngx_http_request_t *r,
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88 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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58
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89 static ngx_int_t ngx_http_ssi_config(ngx_http_request_t *r,
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90 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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102
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91 static ngx_int_t ngx_http_ssi_set(ngx_http_request_t *r,
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58
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92 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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93 static ngx_int_t ngx_http_ssi_if(ngx_http_request_t *r,
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94 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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95 static ngx_int_t ngx_http_ssi_else(ngx_http_request_t *r,
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96 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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97 static ngx_int_t ngx_http_ssi_endif(ngx_http_request_t *r,
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98 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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216
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99 static ngx_int_t ngx_http_ssi_block(ngx_http_request_t *r,
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100 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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101 static ngx_int_t ngx_http_ssi_endblock(ngx_http_request_t *r,
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102 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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46
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103
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122
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104 static ngx_int_t ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
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380
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105 ngx_http_variable_value_t *v, uintptr_t gmt);
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106
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146
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107 static ngx_int_t ngx_http_ssi_preconfiguration(ngx_conf_t *cf);
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108 static void *ngx_http_ssi_create_main_conf(ngx_conf_t *cf);
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109 static char *ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf);
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296
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110 static void *ngx_http_ssi_create_loc_conf(ngx_conf_t *cf);
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111 static char *ngx_http_ssi_merge_loc_conf(ngx_conf_t *cf,
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46
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112 void *parent, void *child);
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230
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113 static ngx_int_t ngx_http_ssi_filter_init(ngx_conf_t *cf);
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46
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114
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115
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116 static ngx_command_t ngx_http_ssi_filter_commands[] = {
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117
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118 { ngx_string("ssi"),
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230
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119 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
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120 |NGX_CONF_FLAG,
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121 ngx_conf_set_flag_slot,
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122 NGX_HTTP_LOC_CONF_OFFSET,
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123 offsetof(ngx_http_ssi_loc_conf_t, enable),
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124 NULL },
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125
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126 { ngx_string("ssi_silent_errors"),
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127 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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128 ngx_conf_set_flag_slot,
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129 NGX_HTTP_LOC_CONF_OFFSET,
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146
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130 offsetof(ngx_http_ssi_loc_conf_t, silent_errors),
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131 NULL },
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132
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58
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133 { ngx_string("ssi_ignore_recycled_buffers"),
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134 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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135 ngx_conf_set_flag_slot,
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136 NGX_HTTP_LOC_CONF_OFFSET,
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146
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137 offsetof(ngx_http_ssi_loc_conf_t, ignore_recycled_buffers),
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138 NULL },
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139
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46
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140 { ngx_string("ssi_min_file_chunk"),
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141 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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142 ngx_conf_set_size_slot,
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143 NGX_HTTP_LOC_CONF_OFFSET,
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144 offsetof(ngx_http_ssi_loc_conf_t, min_file_chunk),
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145 NULL },
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146
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138
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147 { ngx_string("ssi_value_length"),
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148 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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149 ngx_conf_set_size_slot,
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150 NGX_HTTP_LOC_CONF_OFFSET,
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146
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151 offsetof(ngx_http_ssi_loc_conf_t, value_len),
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138
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152 NULL },
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153
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76
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154 { ngx_string("ssi_types"),
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155 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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394
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156 ngx_http_types_slot,
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76
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157 NGX_HTTP_LOC_CONF_OFFSET,
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394
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158 offsetof(ngx_http_ssi_loc_conf_t, types_keys),
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159 &ngx_http_html_default_types[0] },
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76
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160
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161 ngx_null_command
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162 };
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163
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164
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126
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165
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166 static ngx_http_module_t ngx_http_ssi_filter_module_ctx = {
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146
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167 ngx_http_ssi_preconfiguration, /* preconfiguration */
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230
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168 ngx_http_ssi_filter_init, /* postconfiguration */
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46
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169
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146
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170 ngx_http_ssi_create_main_conf, /* create main configuration */
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171 ngx_http_ssi_init_main_conf, /* init main configuration */
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172
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173 NULL, /* create server configuration */
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174 NULL, /* merge server configuration */
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175
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296
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176 ngx_http_ssi_create_loc_conf, /* create location configuration */
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177 ngx_http_ssi_merge_loc_conf /* merge location configuration */
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126
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178 };
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46
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179
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180
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181 ngx_module_t ngx_http_ssi_filter_module = {
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58
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182 NGX_MODULE_V1,
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183 &ngx_http_ssi_filter_module_ctx, /* module context */
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184 ngx_http_ssi_filter_commands, /* module directives */
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185 NGX_HTTP_MODULE, /* module type */
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90
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186 NULL, /* init master */
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230
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187 NULL, /* init module */
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90
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188 NULL, /* init process */
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189 NULL, /* init thread */
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190 NULL, /* exit thread */
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191 NULL, /* exit process */
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192 NULL, /* exit master */
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193 NGX_MODULE_V1_PADDING
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46
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194 };
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195
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196
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118
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197 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
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198 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
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46
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199
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200
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201 static u_char ngx_http_ssi_string[] = "<!--";
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202
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203 static ngx_str_t ngx_http_ssi_none = ngx_string("(none)");
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248
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204 static ngx_str_t ngx_http_ssi_null_string = ngx_null_string;
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205
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206
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102
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207 #define NGX_HTTP_SSI_INCLUDE_VIRTUAL 0
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208 #define NGX_HTTP_SSI_INCLUDE_FILE 1
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194
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209 #define NGX_HTTP_SSI_INCLUDE_WAIT 2
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248
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210 #define NGX_HTTP_SSI_INCLUDE_SET 3
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211 #define NGX_HTTP_SSI_INCLUDE_STUB 4
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212
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58
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213 #define NGX_HTTP_SSI_ECHO_VAR 0
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214 #define NGX_HTTP_SSI_ECHO_DEFAULT 1
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340
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215 #define NGX_HTTP_SSI_ECHO_ENCODING 2
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216
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96
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217 #define NGX_HTTP_SSI_CONFIG_ERRMSG 0
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218 #define NGX_HTTP_SSI_CONFIG_TIMEFMT 1
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219
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102
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220 #define NGX_HTTP_SSI_SET_VAR 0
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221 #define NGX_HTTP_SSI_SET_VALUE 1
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222
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223 #define NGX_HTTP_SSI_IF_EXPR 0
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224
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216
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225 #define NGX_HTTP_SSI_BLOCK_NAME 0
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226
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227
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102
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228 static ngx_http_ssi_param_t ngx_http_ssi_include_params[] = {
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146
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229 { ngx_string("virtual"), NGX_HTTP_SSI_INCLUDE_VIRTUAL, 0, 0 },
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230 { ngx_string("file"), NGX_HTTP_SSI_INCLUDE_FILE, 0, 0 },
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194
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231 { ngx_string("wait"), NGX_HTTP_SSI_INCLUDE_WAIT, 0, 0 },
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248
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232 { ngx_string("set"), NGX_HTTP_SSI_INCLUDE_SET, 0, 0 },
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216
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233 { ngx_string("stub"), NGX_HTTP_SSI_INCLUDE_STUB, 0, 0 },
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146
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234 { ngx_null_string, 0, 0, 0 }
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102
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235 };
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236
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237
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238 static ngx_http_ssi_param_t ngx_http_ssi_echo_params[] = {
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146
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239 { ngx_string("var"), NGX_HTTP_SSI_ECHO_VAR, 1, 0 },
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240 { ngx_string("default"), NGX_HTTP_SSI_ECHO_DEFAULT, 0, 0 },
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340
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241 { ngx_string("encoding"), NGX_HTTP_SSI_ECHO_ENCODING, 0, 0 },
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146
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242 { ngx_null_string, 0, 0, 0 }
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46
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243 };
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244
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245
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246 static ngx_http_ssi_param_t ngx_http_ssi_config_params[] = {
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146
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247 { ngx_string("errmsg"), NGX_HTTP_SSI_CONFIG_ERRMSG, 0, 0 },
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248 { ngx_string("timefmt"), NGX_HTTP_SSI_CONFIG_TIMEFMT, 0, 0 },
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249 { ngx_null_string, 0, 0, 0 }
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58
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250 };
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251
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252
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102
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253 static ngx_http_ssi_param_t ngx_http_ssi_set_params[] = {
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146
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254 { ngx_string("var"), NGX_HTTP_SSI_SET_VAR, 1, 0 },
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255 { ngx_string("value"), NGX_HTTP_SSI_SET_VALUE, 1, 0 },
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256 { ngx_null_string, 0, 0, 0 }
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102
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257 };
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258
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259
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260 static ngx_http_ssi_param_t ngx_http_ssi_if_params[] = {
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146
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261 { ngx_string("expr"), NGX_HTTP_SSI_IF_EXPR, 1, 0 },
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262 { ngx_null_string, 0, 0, 0 }
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58
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263 };
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264
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265
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216
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266 static ngx_http_ssi_param_t ngx_http_ssi_block_params[] = {
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267 { ngx_string("name"), NGX_HTTP_SSI_BLOCK_NAME, 1, 0 },
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268 { ngx_null_string, 0, 0, 0 }
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269 };
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270
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271
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58
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272 static ngx_http_ssi_param_t ngx_http_ssi_no_params[] = {
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146
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273 { ngx_null_string, 0, 0, 0 }
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58
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274 };
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275
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276
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277 static ngx_http_ssi_command_t ngx_http_ssi_commands[] = {
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102
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278 { ngx_string("include"), ngx_http_ssi_include,
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216
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279 ngx_http_ssi_include_params, 0, 0, 1 },
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280 { ngx_string("echo"), ngx_http_ssi_echo,
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281 ngx_http_ssi_echo_params, 0, 0, 0 },
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58
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282 { ngx_string("config"), ngx_http_ssi_config,
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216
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283 ngx_http_ssi_config_params, 0, 0, 0 },
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284 { ngx_string("set"), ngx_http_ssi_set, ngx_http_ssi_set_params, 0, 0, 0 },
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285
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286 { ngx_string("if"), ngx_http_ssi_if, ngx_http_ssi_if_params, 0, 0, 0 },
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178
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287 { ngx_string("elif"), ngx_http_ssi_if, ngx_http_ssi_if_params,
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216
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288 NGX_HTTP_SSI_COND_IF, 0, 0 },
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178
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289 { ngx_string("else"), ngx_http_ssi_else, ngx_http_ssi_no_params,
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216
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290 NGX_HTTP_SSI_COND_IF, 0, 0 },
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178
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291 { ngx_string("endif"), ngx_http_ssi_endif, ngx_http_ssi_no_params,
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216
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292 NGX_HTTP_SSI_COND_ELSE, 0, 0 },
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293
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294 { ngx_string("block"), ngx_http_ssi_block,
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295 ngx_http_ssi_block_params, 0, 0, 0 },
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296 { ngx_string("endblock"), ngx_http_ssi_endblock,
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297 ngx_http_ssi_no_params, 0, 1, 0 },
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298
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299 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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46
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300 };
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301
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302
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58
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303 static ngx_http_variable_t ngx_http_ssi_vars[] = {
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304
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186
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305 { ngx_string("date_local"), NULL, ngx_http_ssi_date_gmt_local_variable, 0,
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340
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306 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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58
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307
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186
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308 { ngx_string("date_gmt"), NULL, ngx_http_ssi_date_gmt_local_variable, 1,
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340
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309 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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58
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310
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186
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311 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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58
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312 };
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313
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314
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315
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46
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316 static ngx_int_t
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317 ngx_http_ssi_header_filter(ngx_http_request_t *r)
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318 {
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146
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319 ngx_http_ssi_ctx_t *ctx;
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320 ngx_http_ssi_loc_conf_t *slcf;
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321
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|
322 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
|
323
|
|
|
324 if (!slcf->enable
|
|
394
|
325 || r->headers_out.content_length_n == 0
|
|
|
326 || ngx_http_test_content_type(r, &slcf->types) == NULL)
|
|
46
|
327 {
|
|
|
328 return ngx_http_next_header_filter(r);
|
|
|
329 }
|
|
|
330
|
|
48
|
331 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_ssi_ctx_t));
|
|
|
332 if (ctx == NULL) {
|
|
46
|
333 return NGX_ERROR;
|
|
|
334 }
|
|
|
335
|
|
|
336 ngx_http_set_ctx(r, ctx, ngx_http_ssi_filter_module);
|
|
|
337
|
|
|
338
|
|
146
|
339 ctx->value_len = slcf->value_len;
|
|
46
|
340 ctx->last_out = &ctx->out;
|
|
|
341
|
|
340
|
342 ctx->encoding = NGX_HTTP_SSI_ENTITY_ENCODING;
|
|
58
|
343 ctx->output = 1;
|
|
|
344
|
|
46
|
345 ctx->params.elts = ctx->params_array;
|
|
|
346 ctx->params.size = sizeof(ngx_table_elt_t);
|
|
|
347 ctx->params.nalloc = NGX_HTTP_SSI_PARAMS_N;
|
|
|
348 ctx->params.pool = r->pool;
|
|
|
349
|
|
58
|
350 ctx->timefmt.len = sizeof("%A, %d-%b-%Y %H:%M:%S %Z") - 1;
|
|
|
351 ctx->timefmt.data = (u_char *) "%A, %d-%b-%Y %H:%M:%S %Z";
|
|
46
|
352
|
|
96
|
353 ctx->errmsg.len =
|
|
|
354 sizeof("[an error occurred while processing the directive]") - 1;
|
|
|
355 ctx->errmsg.data = (u_char *)
|
|
|
356 "[an error occurred while processing the directive]";
|
|
|
357
|
|
46
|
358 r->filter_need_in_memory = 1;
|
|
|
359
|
|
146
|
360 if (r == r->main) {
|
|
126
|
361 ngx_http_clear_content_length(r);
|
|
|
362 ngx_http_clear_last_modified(r);
|
|
510
|
363 ngx_http_clear_accept_ranges(r);
|
|
58
|
364 }
|
|
|
365
|
|
46
|
366 return ngx_http_next_header_filter(r);
|
|
|
367 }
|
|
|
368
|
|
|
369
|
|
|
370 static ngx_int_t
|
|
|
371 ngx_http_ssi_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
|
|
|
372 {
|
|
216
|
373 size_t len;
|
|
146
|
374 ngx_int_t rc;
|
|
|
375 ngx_buf_t *b;
|
|
|
376 ngx_uint_t i, index;
|
|
216
|
377 ngx_chain_t *cl, **ll;
|
|
146
|
378 ngx_table_elt_t *param;
|
|
216
|
379 ngx_http_ssi_ctx_t *ctx, *mctx;
|
|
|
380 ngx_http_ssi_block_t *bl;
|
|
146
|
381 ngx_http_ssi_param_t *prm;
|
|
|
382 ngx_http_ssi_command_t *cmd;
|
|
|
383 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
384 ngx_http_ssi_main_conf_t *smcf;
|
|
148
|
385 ngx_str_t *params[NGX_HTTP_SSI_MAX_PARAMS + 1];
|
|
46
|
386
|
|
|
387 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
388
|
|
194
|
389 if (ctx == NULL
|
|
|
390 || (in == NULL
|
|
|
391 && ctx->buf == NULL
|
|
|
392 && ctx->in == NULL
|
|
|
393 && ctx->busy == NULL))
|
|
|
394 {
|
|
46
|
395 return ngx_http_next_body_filter(r, in);
|
|
|
396 }
|
|
|
397
|
|
|
398 /* add the incoming chain to the chain ctx->in */
|
|
|
399
|
|
|
400 if (in) {
|
|
454
|
401 if (ngx_chain_add_copy(r->pool, &ctx->in, in) != NGX_OK) {
|
|
46
|
402 return NGX_ERROR;
|
|
|
403 }
|
|
|
404 }
|
|
|
405
|
|
426
|
406 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
407 "http ssi filter \"%V?%V\"", &r->uri, &r->args);
|
|
|
408
|
|
194
|
409 if (ctx->wait) {
|
|
426
|
410
|
|
|
411 if (r != r->connection->data) {
|
|
|
412 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
413 "http ssi filter wait \"%V?%V\" non-active",
|
|
|
414 &ctx->wait->uri, &ctx->wait->args);
|
|
|
415
|
|
194
|
416 return NGX_AGAIN;
|
|
|
417 }
|
|
|
418
|
|
426
|
419 if (ctx->wait->done) {
|
|
|
420 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
421 "http ssi filter wait \"%V?%V\" done",
|
|
|
422 &ctx->wait->uri, &ctx->wait->args);
|
|
|
423
|
|
244
|
424 ctx->wait = NULL;
|
|
426
|
425
|
|
|
426 } else {
|
|
|
427 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
428 "http ssi filter wait \"%V?%V\"",
|
|
|
429 &ctx->wait->uri, &ctx->wait->args);
|
|
|
430
|
|
|
431 return ngx_http_next_body_filter(r, NULL);
|
|
244
|
432 }
|
|
194
|
433 }
|
|
|
434
|
|
146
|
435 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
46
|
436
|
|
48
|
437 while (ctx->in || ctx->buf) {
|
|
46
|
438
|
|
48
|
439 if (ctx->buf == NULL ){
|
|
|
440 ctx->buf = ctx->in->buf;
|
|
|
441 ctx->in = ctx->in->next;
|
|
|
442 ctx->pos = ctx->buf->pos;
|
|
|
443 }
|
|
46
|
444
|
|
|
445 if (ctx->state == ssi_start_state) {
|
|
|
446 ctx->copy_start = ctx->pos;
|
|
|
447 ctx->copy_end = ctx->pos;
|
|
|
448 }
|
|
|
449
|
|
48
|
450 b = NULL;
|
|
|
451
|
|
46
|
452 while (ctx->pos < ctx->buf->last) {
|
|
|
453
|
|
|
454 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
455 "saved: %d state: %d", ctx->saved, ctx->state);
|
|
|
456
|
|
|
457 rc = ngx_http_ssi_parse(r, ctx);
|
|
|
458
|
|
|
459 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
460 "parse: %d, looked: %d %p-%p",
|
|
|
461 rc, ctx->looked, ctx->copy_start, ctx->copy_end);
|
|
|
462
|
|
|
463 if (rc == NGX_ERROR) {
|
|
|
464 return rc;
|
|
|
465 }
|
|
|
466
|
|
|
467 if (ctx->copy_start != ctx->copy_end) {
|
|
|
468
|
|
58
|
469 if (ctx->output) {
|
|
|
470
|
|
|
471 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
472 "saved: %d", ctx->saved);
|
|
|
473
|
|
|
474 if (ctx->saved) {
|
|
|
475
|
|
|
476 if (ctx->free) {
|
|
|
477 cl = ctx->free;
|
|
|
478 ctx->free = ctx->free->next;
|
|
|
479 b = cl->buf;
|
|
|
480 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
46
|
481
|
|
58
|
482 } else {
|
|
|
483 b = ngx_calloc_buf(r->pool);
|
|
|
484 if (b == NULL) {
|
|
|
485 return NGX_ERROR;
|
|
|
486 }
|
|
|
487
|
|
|
488 cl = ngx_alloc_chain_link(r->pool);
|
|
|
489 if (cl == NULL) {
|
|
|
490 return NGX_ERROR;
|
|
|
491 }
|
|
|
492
|
|
|
493 cl->buf = b;
|
|
|
494 }
|
|
|
495
|
|
|
496 b->memory = 1;
|
|
|
497 b->pos = ngx_http_ssi_string;
|
|
|
498 b->last = ngx_http_ssi_string + ctx->saved;
|
|
|
499
|
|
|
500 *ctx->last_out = cl;
|
|
|
501 ctx->last_out = &cl->next;
|
|
|
502
|
|
|
503 ctx->saved = 0;
|
|
|
504 }
|
|
48
|
505
|
|
|
506 if (ctx->free) {
|
|
|
507 cl = ctx->free;
|
|
|
508 ctx->free = ctx->free->next;
|
|
|
509 b = cl->buf;
|
|
|
510
|
|
|
511 } else {
|
|
58
|
512 b = ngx_alloc_buf(r->pool);
|
|
48
|
513 if (b == NULL) {
|
|
|
514 return NGX_ERROR;
|
|
|
515 }
|
|
|
516
|
|
|
517 cl = ngx_alloc_chain_link(r->pool);
|
|
|
518 if (cl == NULL) {
|
|
|
519 return NGX_ERROR;
|
|
|
520 }
|
|
|
521
|
|
|
522 cl->buf = b;
|
|
46
|
523 }
|
|
|
524
|
|
58
|
525 ngx_memcpy(b, ctx->buf, sizeof(ngx_buf_t));
|
|
|
526
|
|
62
|
527 b->pos = ctx->copy_start;
|
|
|
528 b->last = ctx->copy_end;
|
|
|
529 b->shadow = NULL;
|
|
58
|
530 b->last_buf = 0;
|
|
|
531 b->recycled = 0;
|
|
46
|
532
|
|
58
|
533 if (b->in_file) {
|
|
146
|
534 if (slcf->min_file_chunk < (size_t) (b->last - b->pos))
|
|
58
|
535 {
|
|
386
|
536 b->file_last = b->file_pos
|
|
|
537 + (b->last - ctx->buf->pos);
|
|
|
538 b->file_pos += b->pos - ctx->buf->pos;
|
|
58
|
539
|
|
|
540 } else {
|
|
|
541 b->in_file = 0;
|
|
|
542 }
|
|
|
543 }
|
|
|
544
|
|
|
545 cl->next = NULL;
|
|
46
|
546 *ctx->last_out = cl;
|
|
|
547 ctx->last_out = &cl->next;
|
|
|
548
|
|
58
|
549 } else {
|
|
216
|
550 if (ctx->block
|
|
|
551 && ctx->saved + (ctx->copy_end - ctx->copy_start))
|
|
|
552 {
|
|
|
553 b = ngx_create_temp_buf(r->pool,
|
|
|
554 ctx->saved + (ctx->copy_end - ctx->copy_start));
|
|
|
555
|
|
|
556 if (b == NULL) {
|
|
|
557 return NGX_ERROR;
|
|
|
558 }
|
|
|
559
|
|
|
560 if (ctx->saved) {
|
|
|
561 b->last = ngx_cpymem(b->pos, ngx_http_ssi_string,
|
|
|
562 ctx->saved);
|
|
|
563 }
|
|
|
564
|
|
|
565 b->last = ngx_cpymem(b->last, ctx->copy_start,
|
|
|
566 ctx->copy_end - ctx->copy_start);
|
|
|
567
|
|
|
568 cl = ngx_alloc_chain_link(r->pool);
|
|
|
569 if (cl == NULL) {
|
|
|
570 return NGX_ERROR;
|
|
|
571 }
|
|
|
572
|
|
|
573 cl->buf = b;
|
|
|
574 cl->next = NULL;
|
|
|
575
|
|
|
576 b = NULL;
|
|
|
577
|
|
|
578 mctx = ngx_http_get_module_ctx(r->main,
|
|
|
579 ngx_http_ssi_filter_module);
|
|
|
580 bl = mctx->blocks->elts;
|
|
|
581 for (ll = &bl[mctx->blocks->nelts - 1].bufs;
|
|
|
582 *ll;
|
|
|
583 ll = &(*ll)->next)
|
|
|
584 {
|
|
|
585 /* void */
|
|
|
586 }
|
|
|
587
|
|
|
588 *ll = cl;
|
|
|
589 }
|
|
|
590
|
|
46
|
591 ctx->saved = 0;
|
|
|
592 }
|
|
|
593 }
|
|
|
594
|
|
|
595 if (ctx->state == ssi_start_state) {
|
|
|
596 ctx->copy_start = ctx->pos;
|
|
|
597 ctx->copy_end = ctx->pos;
|
|
|
598
|
|
|
599 } else {
|
|
|
600 ctx->copy_start = NULL;
|
|
|
601 ctx->copy_end = NULL;
|
|
|
602 }
|
|
|
603
|
|
|
604 if (rc == NGX_AGAIN) {
|
|
|
605 continue;
|
|
|
606 }
|
|
|
607
|
|
|
608
|
|
122
|
609 b = NULL;
|
|
|
610
|
|
46
|
611 if (rc == NGX_OK) {
|
|
|
612
|
|
146
|
613 smcf = ngx_http_get_module_main_conf(r,
|
|
|
614 ngx_http_ssi_filter_module);
|
|
|
615
|
|
|
616 cmd = ngx_hash_find(&smcf->hash, ctx->key, ctx->command.data,
|
|
|
617 ctx->command.len);
|
|
|
618
|
|
|
619 if (cmd == NULL) {
|
|
|
620 if (ctx->output) {
|
|
|
621 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
622 "invalid SSI command: \"%V\"",
|
|
|
623 &ctx->command);
|
|
|
624 goto ssi_error;
|
|
46
|
625 }
|
|
|
626
|
|
146
|
627 continue;
|
|
46
|
628 }
|
|
|
629
|
|
178
|
630 if (cmd->conditional
|
|
|
631 && (ctx->conditional == 0
|
|
|
632 || ctx->conditional > cmd->conditional))
|
|
|
633 {
|
|
|
634 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
635 "invalid context of SSI command: \"%V\"",
|
|
|
636 &ctx->command);
|
|
|
637 goto ssi_error;
|
|
|
638 }
|
|
|
639
|
|
216
|
640 if (!ctx->output && !cmd->block) {
|
|
|
641
|
|
|
642 if (ctx->block) {
|
|
|
643
|
|
|
644 /* reconstruct the SSI command text */
|
|
|
645
|
|
|
646 len = 5 + ctx->command.len + 4;
|
|
|
647
|
|
|
648 param = ctx->params.elts;
|
|
|
649 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
650 len += 1 + param[i].key.len + 2
|
|
|
651 + param[i].value.len + 1;
|
|
|
652 }
|
|
|
653
|
|
|
654 b = ngx_create_temp_buf(r->pool, len);
|
|
|
655
|
|
|
656 if (b == NULL) {
|
|
|
657 return NGX_ERROR;
|
|
|
658 }
|
|
|
659
|
|
|
660 cl = ngx_alloc_chain_link(r->pool);
|
|
|
661 if (cl == NULL) {
|
|
|
662 return NGX_ERROR;
|
|
|
663 }
|
|
|
664
|
|
|
665 cl->buf = b;
|
|
|
666 cl->next = NULL;
|
|
|
667
|
|
|
668 *b->last++ = '<';
|
|
|
669 *b->last++ = '!';
|
|
|
670 *b->last++ = '-';
|
|
|
671 *b->last++ = '-';
|
|
|
672 *b->last++ = '#';
|
|
|
673
|
|
|
674 b->last = ngx_cpymem(b->last, ctx->command.data,
|
|
|
675 ctx->command.len);
|
|
|
676
|
|
|
677 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
678 *b->last++ = ' ';
|
|
|
679 b->last = ngx_cpymem(b->last, param[i].key.data,
|
|
|
680 param[i].key.len);
|
|
|
681 *b->last++ = '=';
|
|
|
682 *b->last++ = '"';
|
|
|
683 b->last = ngx_cpymem(b->last, param[i].value.data,
|
|
|
684 param[i].value.len);
|
|
|
685 *b->last++ = '"';
|
|
|
686 }
|
|
|
687
|
|
|
688 *b->last++ = ' ';
|
|
|
689 *b->last++ = '-';
|
|
|
690 *b->last++ = '-';
|
|
|
691 *b->last++ = '>';
|
|
|
692
|
|
|
693 mctx = ngx_http_get_module_ctx(r->main,
|
|
|
694 ngx_http_ssi_filter_module);
|
|
|
695 bl = mctx->blocks->elts;
|
|
|
696 for (ll = &bl[mctx->blocks->nelts - 1].bufs;
|
|
|
697 *ll;
|
|
|
698 ll = &(*ll)->next)
|
|
|
699 {
|
|
|
700 /* void */
|
|
|
701 }
|
|
|
702
|
|
|
703 *ll = cl;
|
|
|
704
|
|
|
705 b = NULL;
|
|
|
706
|
|
|
707 continue;
|
|
|
708 }
|
|
|
709
|
|
|
710 if (cmd->conditional == 0) {
|
|
|
711 continue;
|
|
|
712 }
|
|
58
|
713 }
|
|
|
714
|
|
146
|
715 if (ctx->params.nelts > NGX_HTTP_SSI_MAX_PARAMS) {
|
|
|
716 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
717 "too many SSI command paramters: \"%V\"",
|
|
|
718 &ctx->command);
|
|
|
719 goto ssi_error;
|
|
|
720 }
|
|
|
721
|
|
46
|
722 ngx_memzero(params,
|
|
148
|
723 (NGX_HTTP_SSI_MAX_PARAMS + 1) * sizeof(ngx_str_t *));
|
|
46
|
724
|
|
|
725 param = ctx->params.elts;
|
|
|
726
|
|
|
727 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
728
|
|
|
729 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
730
|
|
|
731 if (param[i].key.len != prm->name.len
|
|
|
732 || ngx_strncmp(param[i].key.data, prm->name.data,
|
|
|
733 prm->name.len) != 0)
|
|
|
734 {
|
|
|
735 continue;
|
|
|
736 }
|
|
|
737
|
|
146
|
738 if (!prm->multiple) {
|
|
|
739 if (params[prm->index]) {
|
|
|
740 ngx_log_error(NGX_LOG_ERR,
|
|
|
741 r->connection->log, 0,
|
|
|
742 "duplicate \"%V\" parameter "
|
|
|
743 "in \"%V\" SSI command",
|
|
|
744 ¶m[i].key, &ctx->command);
|
|
|
745
|
|
|
746 goto ssi_error;
|
|
|
747 }
|
|
|
748
|
|
|
749 params[prm->index] = ¶m[i].value;
|
|
|
750
|
|
|
751 break;
|
|
46
|
752 }
|
|
|
753
|
|
146
|
754 for (index = prm->index; params[index]; index++) {
|
|
|
755 /* void */
|
|
|
756 }
|
|
|
757
|
|
|
758 params[index] = ¶m[i].value;
|
|
46
|
759
|
|
|
760 break;
|
|
|
761 }
|
|
|
762
|
|
|
763 if (prm->name.len == 0) {
|
|
|
764 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
765 "invalid parameter name: \"%V\" "
|
|
|
766 "in \"%V\" SSI command",
|
|
|
767 ¶m[i].key, &ctx->command);
|
|
|
768
|
|
|
769 goto ssi_error;
|
|
|
770 }
|
|
|
771 }
|
|
|
772
|
|
|
773 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
774 if (prm->mandatory && params[prm->index] == 0) {
|
|
|
775 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
776 "mandatory \"%V\" parameter is absent "
|
|
|
777 "in \"%V\" SSI command",
|
|
|
778 &prm->name, &ctx->command);
|
|
|
779
|
|
|
780 goto ssi_error;
|
|
|
781 }
|
|
|
782 }
|
|
|
783
|
|
426
|
784 if (cmd->flush && ctx->out) {
|
|
|
785
|
|
|
786 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
787 "ssi flush");
|
|
|
788
|
|
|
789 if (ngx_http_ssi_output(r, ctx) == NGX_ERROR) {
|
|
58
|
790 return NGX_ERROR;
|
|
|
791 }
|
|
|
792 }
|
|
|
793
|
|
118
|
794 rc = cmd->handler(r, ctx, params);
|
|
|
795
|
|
|
796 if (rc == NGX_OK) {
|
|
46
|
797 continue;
|
|
|
798 }
|
|
132
|
799
|
|
248
|
800 if (rc == NGX_DONE || rc == NGX_AGAIN || rc == NGX_ERROR) {
|
|
|
801 return rc;
|
|
132
|
802 }
|
|
46
|
803 }
|
|
|
804
|
|
|
805
|
|
|
806 /* rc == NGX_HTTP_SSI_ERROR */
|
|
|
807
|
|
48
|
808 ssi_error:
|
|
46
|
809
|
|
146
|
810 if (slcf->silent_errors) {
|
|
46
|
811 continue;
|
|
|
812 }
|
|
|
813
|
|
48
|
814 if (ctx->free) {
|
|
|
815 cl = ctx->free;
|
|
|
816 ctx->free = ctx->free->next;
|
|
|
817 b = cl->buf;
|
|
|
818 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
819
|
|
|
820 } else {
|
|
|
821 b = ngx_calloc_buf(r->pool);
|
|
|
822 if (b == NULL) {
|
|
|
823 return NGX_ERROR;
|
|
|
824 }
|
|
|
825
|
|
|
826 cl = ngx_alloc_chain_link(r->pool);
|
|
|
827 if (cl == NULL) {
|
|
|
828 return NGX_ERROR;
|
|
|
829 }
|
|
|
830
|
|
|
831 cl->buf = b;
|
|
46
|
832 }
|
|
|
833
|
|
|
834 b->memory = 1;
|
|
96
|
835 b->pos = ctx->errmsg.data;
|
|
|
836 b->last = ctx->errmsg.data + ctx->errmsg.len;
|
|
46
|
837
|
|
|
838 cl->next = NULL;
|
|
|
839 *ctx->last_out = cl;
|
|
|
840 ctx->last_out = &cl->next;
|
|
|
841
|
|
|
842 continue;
|
|
|
843 }
|
|
|
844
|
|
236
|
845 if (ctx->buf->last_buf || ngx_buf_in_memory(ctx->buf)) {
|
|
48
|
846 if (b == NULL) {
|
|
|
847 if (ctx->free) {
|
|
|
848 cl = ctx->free;
|
|
|
849 ctx->free = ctx->free->next;
|
|
|
850 b = cl->buf;
|
|
|
851 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
852
|
|
|
853 } else {
|
|
|
854 b = ngx_calloc_buf(r->pool);
|
|
|
855 if (b == NULL) {
|
|
|
856 return NGX_ERROR;
|
|
|
857 }
|
|
46
|
858
|
|
48
|
859 cl = ngx_alloc_chain_link(r->pool);
|
|
|
860 if (cl == NULL) {
|
|
|
861 return NGX_ERROR;
|
|
|
862 }
|
|
|
863
|
|
|
864 cl->buf = b;
|
|
|
865 }
|
|
|
866
|
|
58
|
867 b->sync = 1;
|
|
|
868
|
|
48
|
869 cl->next = NULL;
|
|
|
870 *ctx->last_out = cl;
|
|
|
871 ctx->last_out = &cl->next;
|
|
|
872 }
|
|
|
873
|
|
|
874 b->last_buf = ctx->buf->last_buf;
|
|
|
875 b->shadow = ctx->buf;
|
|
58
|
876
|
|
146
|
877 if (slcf->ignore_recycled_buffers == 0) {
|
|
58
|
878 b->recycled = ctx->buf->recycled;
|
|
|
879 }
|
|
46
|
880 }
|
|
|
881
|
|
48
|
882 ctx->buf = NULL;
|
|
|
883
|
|
46
|
884 ctx->saved = ctx->looked;
|
|
|
885 }
|
|
|
886
|
|
48
|
887 if (ctx->out == NULL && ctx->busy == NULL) {
|
|
46
|
888 return NGX_OK;
|
|
|
889 }
|
|
|
890
|
|
58
|
891 return ngx_http_ssi_output(r, ctx);
|
|
|
892 }
|
|
|
893
|
|
|
894
|
|
|
895 static ngx_int_t
|
|
|
896 ngx_http_ssi_output(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
897 {
|
|
|
898 ngx_int_t rc;
|
|
|
899 ngx_buf_t *b;
|
|
|
900 ngx_chain_t *cl;
|
|
|
901
|
|
190
|
902 #if 1
|
|
|
903 b = NULL;
|
|
|
904 for (cl = ctx->out; cl; cl = cl->next) {
|
|
192
|
905 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
906 "ssi out: %p %p", cl->buf, cl->buf->pos);
|
|
190
|
907 if (cl->buf == b) {
|
|
|
908 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
909 "the same buf was used in ssi");
|
|
|
910 ngx_debug_point();
|
|
|
911 return NGX_ERROR;
|
|
|
912 }
|
|
|
913 b = cl->buf;
|
|
|
914 }
|
|
|
915 #endif
|
|
|
916
|
|
46
|
917 rc = ngx_http_next_body_filter(r, ctx->out);
|
|
|
918
|
|
48
|
919 if (ctx->busy == NULL) {
|
|
|
920 ctx->busy = ctx->out;
|
|
|
921
|
|
|
922 } else {
|
|
|
923 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ }
|
|
|
924 cl->next = ctx->out;
|
|
|
925 }
|
|
|
926
|
|
46
|
927 ctx->out = NULL;
|
|
|
928 ctx->last_out = &ctx->out;
|
|
|
929
|
|
48
|
930 while (ctx->busy) {
|
|
|
931
|
|
206
|
932 cl = ctx->busy;
|
|
|
933 b = cl->buf;
|
|
48
|
934
|
|
|
935 if (ngx_buf_size(b) != 0) {
|
|
|
936 break;
|
|
|
937 }
|
|
|
938
|
|
|
939 if (b->shadow) {
|
|
|
940 b->shadow->pos = b->shadow->last;
|
|
|
941 }
|
|
|
942
|
|
|
943 ctx->busy = cl->next;
|
|
194
|
944
|
|
|
945 if (ngx_buf_in_memory(b) || b->in_file) {
|
|
|
946 /* add data bufs only to the free buf chain */
|
|
|
947
|
|
|
948 cl->next = ctx->free;
|
|
|
949 ctx->free = cl;
|
|
|
950 }
|
|
48
|
951 }
|
|
|
952
|
|
254
|
953 if (ctx->in || ctx->buf) {
|
|
|
954 r->buffered |= NGX_HTTP_SSI_BUFFERED;
|
|
|
955
|
|
|
956 } else {
|
|
|
957 r->buffered &= ~NGX_HTTP_SSI_BUFFERED;
|
|
|
958 }
|
|
|
959
|
|
46
|
960 return rc;
|
|
|
961 }
|
|
|
962
|
|
|
963
|
|
|
964 static ngx_int_t
|
|
|
965 ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
966 {
|
|
158
|
967 u_char *p, *value, *last, *copy_end, ch;
|
|
46
|
968 size_t looked;
|
|
|
969 ngx_http_ssi_state_e state;
|
|
|
970
|
|
|
971 state = ctx->state;
|
|
|
972 looked = ctx->looked;
|
|
|
973 last = ctx->buf->last;
|
|
|
974 copy_end = ctx->copy_end;
|
|
|
975
|
|
|
976 for (p = ctx->pos; p < last; p++) {
|
|
|
977
|
|
|
978 ch = *p;
|
|
|
979
|
|
|
980 if (state == ssi_start_state) {
|
|
|
981
|
|
|
982 /* the tight loop */
|
|
|
983
|
|
48
|
984 for ( ;; ) {
|
|
|
985 if (ch == '<') {
|
|
|
986 copy_end = p;
|
|
|
987 looked = 1;
|
|
|
988 state = ssi_tag_state;
|
|
|
989
|
|
|
990 goto tag_started;
|
|
46
|
991 }
|
|
|
992
|
|
48
|
993 if (++p == last) {
|
|
|
994 break;
|
|
|
995 }
|
|
46
|
996
|
|
48
|
997 ch = *p;
|
|
46
|
998 }
|
|
|
999
|
|
314
|
1000 ctx->state = state;
|
|
46
|
1001 ctx->pos = p;
|
|
|
1002 ctx->looked = looked;
|
|
|
1003 ctx->copy_end = p;
|
|
|
1004
|
|
|
1005 if (ctx->copy_start == NULL) {
|
|
|
1006 ctx->copy_start = ctx->buf->pos;
|
|
|
1007 }
|
|
|
1008
|
|
|
1009 return NGX_AGAIN;
|
|
|
1010
|
|
48
|
1011 tag_started:
|
|
|
1012
|
|
46
|
1013 continue;
|
|
|
1014 }
|
|
|
1015
|
|
|
1016 switch (state) {
|
|
|
1017
|
|
|
1018 case ssi_start_state:
|
|
|
1019 break;
|
|
|
1020
|
|
|
1021 case ssi_tag_state:
|
|
|
1022 switch (ch) {
|
|
|
1023 case '!':
|
|
|
1024 looked = 2;
|
|
|
1025 state = ssi_comment0_state;
|
|
|
1026 break;
|
|
|
1027
|
|
|
1028 case '<':
|
|
|
1029 copy_end = p;
|
|
|
1030 break;
|
|
|
1031
|
|
|
1032 default:
|
|
|
1033 copy_end = p;
|
|
|
1034 looked = 0;
|
|
|
1035 state = ssi_start_state;
|
|
|
1036 break;
|
|
|
1037 }
|
|
|
1038
|
|
|
1039 break;
|
|
|
1040
|
|
|
1041 case ssi_comment0_state:
|
|
|
1042 switch (ch) {
|
|
|
1043 case '-':
|
|
|
1044 looked = 3;
|
|
|
1045 state = ssi_comment1_state;
|
|
|
1046 break;
|
|
|
1047
|
|
|
1048 case '<':
|
|
|
1049 copy_end = p;
|
|
|
1050 looked = 1;
|
|
|
1051 state = ssi_tag_state;
|
|
|
1052 break;
|
|
|
1053
|
|
|
1054 default:
|
|
|
1055 copy_end = p;
|
|
|
1056 looked = 0;
|
|
|
1057 state = ssi_start_state;
|
|
|
1058 break;
|
|
|
1059 }
|
|
|
1060
|
|
|
1061 break;
|
|
|
1062
|
|
|
1063 case ssi_comment1_state:
|
|
|
1064 switch (ch) {
|
|
|
1065 case '-':
|
|
|
1066 looked = 4;
|
|
|
1067 state = ssi_sharp_state;
|
|
|
1068 break;
|
|
|
1069
|
|
|
1070 case '<':
|
|
|
1071 copy_end = p;
|
|
|
1072 looked = 1;
|
|
|
1073 state = ssi_tag_state;
|
|
|
1074 break;
|
|
|
1075
|
|
|
1076 default:
|
|
|
1077 copy_end = p;
|
|
|
1078 looked = 0;
|
|
|
1079 state = ssi_start_state;
|
|
|
1080 break;
|
|
|
1081 }
|
|
|
1082
|
|
|
1083 break;
|
|
|
1084
|
|
|
1085 case ssi_sharp_state:
|
|
|
1086 switch (ch) {
|
|
|
1087 case '#':
|
|
208
|
1088 if (p - ctx->pos < 4) {
|
|
|
1089 ctx->saved = 0;
|
|
|
1090 }
|
|
46
|
1091 looked = 0;
|
|
|
1092 state = ssi_precommand_state;
|
|
|
1093 break;
|
|
|
1094
|
|
|
1095 case '<':
|
|
|
1096 copy_end = p;
|
|
|
1097 looked = 1;
|
|
|
1098 state = ssi_tag_state;
|
|
|
1099 break;
|
|
|
1100
|
|
|
1101 default:
|
|
|
1102 copy_end = p;
|
|
|
1103 looked = 0;
|
|
|
1104 state = ssi_start_state;
|
|
|
1105 break;
|
|
|
1106 }
|
|
|
1107
|
|
|
1108 break;
|
|
|
1109
|
|
|
1110 case ssi_precommand_state:
|
|
|
1111 switch (ch) {
|
|
|
1112 case ' ':
|
|
|
1113 case CR:
|
|
|
1114 case LF:
|
|
|
1115 case '\t':
|
|
|
1116 break;
|
|
|
1117
|
|
|
1118 default:
|
|
|
1119 ctx->command.len = 1;
|
|
382
|
1120 ctx->command.data = ngx_pnalloc(r->pool,
|
|
|
1121 NGX_HTTP_SSI_COMMAND_LEN);
|
|
46
|
1122 if (ctx->command.data == NULL) {
|
|
|
1123 return NGX_ERROR;
|
|
|
1124 }
|
|
|
1125
|
|
|
1126 ctx->command.data[0] = ch;
|
|
158
|
1127
|
|
146
|
1128 ctx->key = 0;
|
|
|
1129 ctx->key = ngx_hash(ctx->key, ch);
|
|
|
1130
|
|
46
|
1131 ctx->params.nelts = 0;
|
|
178
|
1132
|
|
46
|
1133 state = ssi_command_state;
|
|
|
1134 break;
|
|
|
1135 }
|
|
|
1136
|
|
|
1137 break;
|
|
|
1138
|
|
|
1139 case ssi_command_state:
|
|
|
1140 switch (ch) {
|
|
|
1141 case ' ':
|
|
|
1142 case CR:
|
|
|
1143 case LF:
|
|
|
1144 case '\t':
|
|
|
1145 state = ssi_preparam_state;
|
|
|
1146 break;
|
|
|
1147
|
|
|
1148 case '-':
|
|
|
1149 state = ssi_comment_end0_state;
|
|
|
1150 break;
|
|
|
1151
|
|
|
1152 default:
|
|
|
1153 if (ctx->command.len == NGX_HTTP_SSI_COMMAND_LEN) {
|
|
|
1154 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1155 "the \"%V%c...\" SSI command is too long",
|
|
|
1156 &ctx->command, ch);
|
|
46
|
1157
|
|
|
1158 state = ssi_error_state;
|
|
|
1159 break;
|
|
|
1160 }
|
|
158
|
1161
|
|
|
1162 ctx->command.data[ctx->command.len++] = ch;
|
|
|
1163 ctx->key = ngx_hash(ctx->key, ch);
|
|
46
|
1164 }
|
|
|
1165
|
|
|
1166 break;
|
|
|
1167
|
|
|
1168 case ssi_preparam_state:
|
|
|
1169 switch (ch) {
|
|
|
1170 case ' ':
|
|
|
1171 case CR:
|
|
|
1172 case LF:
|
|
|
1173 case '\t':
|
|
|
1174 break;
|
|
|
1175
|
|
|
1176 case '-':
|
|
|
1177 state = ssi_comment_end0_state;
|
|
|
1178 break;
|
|
|
1179
|
|
|
1180 default:
|
|
48
|
1181 ctx->param = ngx_array_push(&ctx->params);
|
|
|
1182 if (ctx->param == NULL) {
|
|
46
|
1183 return NGX_ERROR;
|
|
|
1184 }
|
|
|
1185
|
|
|
1186 ctx->param->key.len = 1;
|
|
382
|
1187 ctx->param->key.data = ngx_pnalloc(r->pool,
|
|
|
1188 NGX_HTTP_SSI_PARAM_LEN);
|
|
46
|
1189 if (ctx->param->key.data == NULL) {
|
|
|
1190 return NGX_ERROR;
|
|
|
1191 }
|
|
|
1192
|
|
|
1193 ctx->param->key.data[0] = ch;
|
|
|
1194
|
|
|
1195 ctx->param->value.len = 0;
|
|
158
|
1196
|
|
|
1197 if (ctx->value_buf == NULL) {
|
|
382
|
1198 ctx->param->value.data = ngx_pnalloc(r->pool,
|
|
|
1199 ctx->value_len);
|
|
158
|
1200 if (ctx->param->value.data == NULL) {
|
|
|
1201 return NGX_ERROR;
|
|
|
1202 }
|
|
|
1203
|
|
|
1204 } else {
|
|
|
1205 ctx->param->value.data = ctx->value_buf;
|
|
46
|
1206 }
|
|
|
1207
|
|
|
1208 state = ssi_param_state;
|
|
|
1209 break;
|
|
|
1210 }
|
|
|
1211
|
|
|
1212 break;
|
|
|
1213
|
|
|
1214 case ssi_param_state:
|
|
|
1215 switch (ch) {
|
|
|
1216 case ' ':
|
|
|
1217 case CR:
|
|
|
1218 case LF:
|
|
|
1219 case '\t':
|
|
|
1220 state = ssi_preequal_state;
|
|
|
1221 break;
|
|
|
1222
|
|
|
1223 case '=':
|
|
|
1224 state = ssi_prevalue_state;
|
|
|
1225 break;
|
|
|
1226
|
|
|
1227 case '-':
|
|
|
1228 state = ssi_error_end0_state;
|
|
|
1229
|
|
|
1230 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
|
1231 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1232 "invalid \"%V\" parameter in \"%V\" SSI command",
|
|
|
1233 &ctx->param->key, &ctx->command);
|
|
|
1234 break;
|
|
|
1235
|
|
|
1236 default:
|
|
|
1237 if (ctx->param->key.len == NGX_HTTP_SSI_PARAM_LEN) {
|
|
|
1238 state = ssi_error_state;
|
|
|
1239 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1240 "too long \"%V%c...\" parameter in "
|
|
46
|
1241 "\"%V\" SSI command",
|
|
158
|
1242 &ctx->param->key, ch, &ctx->command);
|
|
46
|
1243 break;
|
|
|
1244 }
|
|
158
|
1245
|
|
|
1246 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
46
|
1247 }
|
|
|
1248
|
|
|
1249 break;
|
|
|
1250
|
|
|
1251 case ssi_preequal_state:
|
|
|
1252 switch (ch) {
|
|
|
1253 case ' ':
|
|
|
1254 case CR:
|
|
|
1255 case LF:
|
|
|
1256 case '\t':
|
|
|
1257 break;
|
|
|
1258
|
|
|
1259 case '=':
|
|
|
1260 state = ssi_prevalue_state;
|
|
|
1261 break;
|
|
|
1262
|
|
|
1263 default:
|
|
|
1264 if (ch == '-') {
|
|
|
1265 state = ssi_error_end0_state;
|
|
|
1266 } else {
|
|
|
1267 state = ssi_error_state;
|
|
|
1268 }
|
|
|
1269
|
|
|
1270 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1271 "unexpected \"%c\" symbol after \"%V\" "
|
|
|
1272 "parameter in \"%V\" SSI command",
|
|
|
1273 ch, &ctx->param->key, &ctx->command);
|
|
|
1274 break;
|
|
|
1275 }
|
|
|
1276
|
|
|
1277 break;
|
|
|
1278
|
|
|
1279 case ssi_prevalue_state:
|
|
|
1280 switch (ch) {
|
|
|
1281 case ' ':
|
|
|
1282 case CR:
|
|
|
1283 case LF:
|
|
|
1284 case '\t':
|
|
|
1285 break;
|
|
|
1286
|
|
|
1287 case '"':
|
|
|
1288 state = ssi_double_quoted_value_state;
|
|
|
1289 break;
|
|
|
1290
|
|
|
1291 case '\'':
|
|
|
1292 state = ssi_quoted_value_state;
|
|
|
1293 break;
|
|
|
1294
|
|
|
1295 default:
|
|
|
1296 if (ch == '-') {
|
|
|
1297 state = ssi_error_end0_state;
|
|
|
1298 } else {
|
|
|
1299 state = ssi_error_state;
|
|
|
1300 }
|
|
|
1301
|
|
|
1302 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1303 "unexpected \"%c\" symbol before value of "
|
|
|
1304 "\"%V\" parameter in \"%V\" SSI command",
|
|
|
1305 ch, &ctx->param->key, &ctx->command);
|
|
|
1306 break;
|
|
|
1307 }
|
|
|
1308
|
|
|
1309 break;
|
|
|
1310
|
|
|
1311 case ssi_double_quoted_value_state:
|
|
|
1312 switch (ch) {
|
|
108
|
1313 case '"':
|
|
|
1314 state = ssi_postparam_state;
|
|
|
1315 break;
|
|
|
1316
|
|
46
|
1317 case '\\':
|
|
|
1318 ctx->saved_state = ssi_double_quoted_value_state;
|
|
|
1319 state = ssi_quoted_symbol_state;
|
|
108
|
1320
|
|
|
1321 /* fall through */
|
|
46
|
1322
|
|
|
1323 default:
|
|
|
1324 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1325 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1326 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1327 "parameter in \"%V\" SSI command",
|
|
|
1328 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1329 &ctx->command);
|
|
|
1330 state = ssi_error_state;
|
|
|
1331 break;
|
|
|
1332 }
|
|
158
|
1333
|
|
|
1334 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1335 }
|
|
|
1336
|
|
|
1337 break;
|
|
|
1338
|
|
|
1339 case ssi_quoted_value_state:
|
|
|
1340 switch (ch) {
|
|
108
|
1341 case '\'':
|
|
|
1342 state = ssi_postparam_state;
|
|
|
1343 break;
|
|
|
1344
|
|
46
|
1345 case '\\':
|
|
|
1346 ctx->saved_state = ssi_quoted_value_state;
|
|
|
1347 state = ssi_quoted_symbol_state;
|
|
108
|
1348
|
|
|
1349 /* fall through */
|
|
46
|
1350
|
|
|
1351 default:
|
|
|
1352 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1353 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1354 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1355 "parameter in \"%V\" SSI command",
|
|
|
1356 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1357 &ctx->command);
|
|
|
1358 state = ssi_error_state;
|
|
|
1359 break;
|
|
|
1360 }
|
|
158
|
1361
|
|
|
1362 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1363 }
|
|
|
1364
|
|
|
1365 break;
|
|
|
1366
|
|
|
1367 case ssi_quoted_symbol_state:
|
|
108
|
1368 state = ctx->saved_state;
|
|
|
1369
|
|
46
|
1370 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
|
1371
|
|
|
1372 break;
|
|
|
1373
|
|
|
1374 case ssi_postparam_state:
|
|
158
|
1375
|
|
200
|
1376 if (ctx->param->value.len + 1 < ctx->value_len / 2) {
|
|
382
|
1377 value = ngx_pnalloc(r->pool, ctx->param->value.len + 1);
|
|
158
|
1378 if (value == NULL) {
|
|
|
1379 return NGX_ERROR;
|
|
|
1380 }
|
|
|
1381
|
|
|
1382 ngx_memcpy(value, ctx->param->value.data,
|
|
|
1383 ctx->param->value.len);
|
|
|
1384
|
|
|
1385 ctx->value_buf = ctx->param->value.data;
|
|
|
1386 ctx->param->value.data = value;
|
|
|
1387
|
|
|
1388 } else {
|
|
|
1389 ctx->value_buf = NULL;
|
|
|
1390 }
|
|
|
1391
|
|
46
|
1392 switch (ch) {
|
|
|
1393 case ' ':
|
|
|
1394 case CR:
|
|
|
1395 case LF:
|
|
|
1396 case '\t':
|
|
|
1397 state = ssi_preparam_state;
|
|
|
1398 break;
|
|
|
1399
|
|
|
1400 case '-':
|
|
|
1401 state = ssi_comment_end0_state;
|
|
|
1402 break;
|
|
|
1403
|
|
|
1404 default:
|
|
|
1405 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1406 "unexpected \"%c\" symbol after \"%V\" value "
|
|
|
1407 "of \"%V\" parameter in \"%V\" SSI command",
|
|
|
1408 ch, &ctx->param->value, &ctx->param->key,
|
|
|
1409 &ctx->command);
|
|
|
1410 state = ssi_error_state;
|
|
|
1411 break;
|
|
|
1412 }
|
|
|
1413
|
|
|
1414 break;
|
|
|
1415
|
|
|
1416 case ssi_comment_end0_state:
|
|
|
1417 switch (ch) {
|
|
|
1418 case '-':
|
|
|
1419 state = ssi_comment_end1_state;
|
|
|
1420 break;
|
|
|
1421
|
|
|
1422 default:
|
|
|
1423 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1424 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1425 ch, &ctx->command);
|
|
|
1426 state = ssi_error_state;
|
|
|
1427 break;
|
|
|
1428 }
|
|
|
1429
|
|
|
1430 break;
|
|
|
1431
|
|
|
1432 case ssi_comment_end1_state:
|
|
|
1433 switch (ch) {
|
|
|
1434 case '>':
|
|
|
1435 ctx->state = ssi_start_state;
|
|
|
1436 ctx->pos = p + 1;
|
|
|
1437 ctx->looked = looked;
|
|
|
1438 ctx->copy_end = copy_end;
|
|
|
1439
|
|
|
1440 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1441 ctx->copy_start = ctx->buf->pos;
|
|
|
1442 }
|
|
|
1443
|
|
|
1444 return NGX_OK;
|
|
|
1445
|
|
|
1446 default:
|
|
|
1447 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1448 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1449 ch, &ctx->command);
|
|
|
1450 state = ssi_error_state;
|
|
|
1451 break;
|
|
|
1452 }
|
|
|
1453
|
|
|
1454 break;
|
|
|
1455
|
|
|
1456 case ssi_error_state:
|
|
|
1457 switch (ch) {
|
|
|
1458 case '-':
|
|
|
1459 state = ssi_error_end0_state;
|
|
|
1460 break;
|
|
|
1461
|
|
|
1462 default:
|
|
|
1463 break;
|
|
|
1464 }
|
|
|
1465
|
|
|
1466 break;
|
|
|
1467
|
|
|
1468 case ssi_error_end0_state:
|
|
|
1469 switch (ch) {
|
|
|
1470 case '-':
|
|
|
1471 state = ssi_error_end1_state;
|
|
|
1472 break;
|
|
|
1473
|
|
|
1474 default:
|
|
|
1475 state = ssi_error_state;
|
|
|
1476 break;
|
|
|
1477 }
|
|
|
1478
|
|
|
1479 break;
|
|
|
1480
|
|
|
1481 case ssi_error_end1_state:
|
|
|
1482 switch (ch) {
|
|
|
1483 case '>':
|
|
|
1484 ctx->state = ssi_start_state;
|
|
|
1485 ctx->pos = p + 1;
|
|
|
1486 ctx->looked = looked;
|
|
|
1487 ctx->copy_end = copy_end;
|
|
|
1488
|
|
|
1489 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1490 ctx->copy_start = ctx->buf->pos;
|
|
|
1491 }
|
|
|
1492
|
|
|
1493 return NGX_HTTP_SSI_ERROR;
|
|
|
1494
|
|
|
1495 default:
|
|
|
1496 state = ssi_error_state;
|
|
|
1497 break;
|
|
|
1498 }
|
|
|
1499
|
|
|
1500 break;
|
|
|
1501 }
|
|
|
1502 }
|
|
|
1503
|
|
|
1504 ctx->state = state;
|
|
|
1505 ctx->pos = p;
|
|
|
1506 ctx->looked = looked;
|
|
|
1507
|
|
|
1508 ctx->copy_end = (state == ssi_start_state) ? p : copy_end;
|
|
|
1509
|
|
|
1510 if (ctx->copy_start == NULL && ctx->copy_end) {
|
|
|
1511 ctx->copy_start = ctx->buf->pos;
|
|
|
1512 }
|
|
|
1513
|
|
|
1514 return NGX_AGAIN;
|
|
|
1515 }
|
|
|
1516
|
|
|
1517
|
|
102
|
1518 static ngx_str_t *
|
|
160
|
1519 ngx_http_ssi_get_variable(ngx_http_request_t *r, ngx_str_t *name,
|
|
|
1520 ngx_uint_t key)
|
|
102
|
1521 {
|
|
|
1522 ngx_uint_t i;
|
|
248
|
1523 ngx_list_part_t *part;
|
|
102
|
1524 ngx_http_ssi_var_t *var;
|
|
|
1525 ngx_http_ssi_ctx_t *ctx;
|
|
|
1526
|
|
|
1527 ctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
1528
|
|
216
|
1529 if (ctx->variables == NULL) {
|
|
|
1530 return NULL;
|
|
|
1531 }
|
|
|
1532
|
|
248
|
1533 part = &ctx->variables->part;
|
|
|
1534 var = part->elts;
|
|
|
1535
|
|
|
1536 for (i = 0; /* void */ ; i++) {
|
|
|
1537
|
|
|
1538 if (i >= part->nelts) {
|
|
|
1539 if (part->next == NULL) {
|
|
|
1540 break;
|
|
|
1541 }
|
|
250
|
1542
|
|
248
|
1543 part = part->next;
|
|
|
1544 var = part->elts;
|
|
|
1545 i = 0;
|
|
|
1546 }
|
|
|
1547
|
|
102
|
1548 if (name->len != var[i].name.len) {
|
|
|
1549 continue;
|
|
|
1550 }
|
|
|
1551
|
|
160
|
1552 if (key != var[i].key) {
|
|
|
1553 continue;
|
|
|
1554 }
|
|
|
1555
|
|
|
1556 if (ngx_strncmp(name->data, var[i].name.data, name->len) == 0) {
|
|
102
|
1557 return &var[i].value;
|
|
|
1558 }
|
|
|
1559 }
|
|
|
1560
|
|
|
1561 return NULL;
|
|
|
1562 }
|
|
|
1563
|
|
|
1564
|
|
|
1565 static ngx_int_t
|
|
|
1566 ngx_http_ssi_evaluate_string(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1567 ngx_str_t *text, ngx_uint_t flags)
|
|
|
1568 {
|
|
122
|
1569 u_char ch, *p, **value, *data, *part_data;
|
|
|
1570 size_t *size, len, prefix, part_len;
|
|
|
1571 ngx_str_t var, *val;
|
|
160
|
1572 ngx_int_t key;
|
|
392
|
1573 ngx_uint_t i, n, bracket, quoted;
|
|
102
|
1574 ngx_array_t lengths, values;
|
|
|
1575 ngx_http_variable_value_t *vv;
|
|
|
1576
|
|
|
1577 n = ngx_http_script_variables_count(text);
|
|
|
1578
|
|
|
1579 if (n == 0) {
|
|
|
1580
|
|
206
|
1581 data = text->data;
|
|
|
1582 p = data;
|
|
|
1583
|
|
|
1584 if ((flags & NGX_HTTP_SSI_ADD_PREFIX) && text->data[0] != '/') {
|
|
|
1585
|
|
102
|
1586 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1587 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1588 break;
|
|
|
1589 }
|
|
|
1590 }
|
|
|
1591
|
|
|
1592 if (prefix) {
|
|
|
1593 len = prefix + text->len;
|
|
|
1594
|
|
382
|
1595 data = ngx_pnalloc(r->pool, len);
|
|
102
|
1596 if (data == NULL) {
|
|
|
1597 return NGX_ERROR;
|
|
|
1598 }
|
|
|
1599
|
|
122
|
1600 p = ngx_copy(data, r->uri.data, prefix);
|
|
102
|
1601 }
|
|
|
1602 }
|
|
|
1603
|
|
206
|
1604 quoted = 0;
|
|
|
1605
|
|
378
|
1606 for (i = 0; i < text->len; i++) {
|
|
206
|
1607 ch = text->data[i];
|
|
|
1608
|
|
|
1609 if (!quoted) {
|
|
|
1610
|
|
|
1611 if (ch == '\\') {
|
|
|
1612 quoted = 1;
|
|
|
1613 continue;
|
|
|
1614 }
|
|
|
1615
|
|
|
1616 } else {
|
|
|
1617 quoted = 0;
|
|
|
1618
|
|
|
1619 if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') {
|
|
|
1620 *p++ = '\\';
|
|
|
1621 }
|
|
|
1622 }
|
|
|
1623
|
|
|
1624 *p++ = ch;
|
|
|
1625 }
|
|
|
1626
|
|
|
1627 text->len = p - data;
|
|
|
1628 text->data = data;
|
|
|
1629
|
|
102
|
1630 return NGX_OK;
|
|
|
1631 }
|
|
|
1632
|
|
|
1633 if (ngx_array_init(&lengths, r->pool, 8, sizeof(size_t *)) != NGX_OK) {
|
|
|
1634 return NGX_ERROR;
|
|
|
1635 }
|
|
|
1636
|
|
|
1637 if (ngx_array_init(&values, r->pool, 8, sizeof(u_char *)) != NGX_OK) {
|
|
|
1638 return NGX_ERROR;
|
|
|
1639 }
|
|
|
1640
|
|
|
1641 len = 0;
|
|
|
1642 i = 0;
|
|
|
1643
|
|
|
1644 while (i < text->len) {
|
|
|
1645
|
|
|
1646 if (text->data[i] == '$') {
|
|
|
1647
|
|
|
1648 var.len = 0;
|
|
|
1649
|
|
|
1650 if (++i == text->len) {
|
|
|
1651 goto invalid_variable;
|
|
|
1652 }
|
|
|
1653
|
|
|
1654 if (text->data[i] == '{') {
|
|
|
1655 bracket = 1;
|
|
|
1656
|
|
|
1657 if (++i == text->len) {
|
|
|
1658 goto invalid_variable;
|
|
|
1659 }
|
|
|
1660
|
|
|
1661 var.data = &text->data[i];
|
|
|
1662
|
|
|
1663 } else {
|
|
|
1664 bracket = 0;
|
|
|
1665 var.data = &text->data[i];
|
|
|
1666 }
|
|
|
1667
|
|
|
1668 for ( /* void */ ; i < text->len; i++, var.len++) {
|
|
|
1669 ch = text->data[i];
|
|
|
1670
|
|
|
1671 if (ch == '}' && bracket) {
|
|
|
1672 i++;
|
|
|
1673 bracket = 0;
|
|
|
1674 break;
|
|
|
1675 }
|
|
|
1676
|
|
|
1677 if ((ch >= 'A' && ch <= 'Z')
|
|
|
1678 || (ch >= 'a' && ch <= 'z')
|
|
|
1679 || (ch >= '0' && ch <= '9')
|
|
|
1680 || ch == '_')
|
|
|
1681 {
|
|
|
1682 continue;
|
|
|
1683 }
|
|
|
1684
|
|
|
1685 break;
|
|
|
1686 }
|
|
|
1687
|
|
|
1688 if (bracket) {
|
|
|
1689 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1690 "the closing bracket in \"%V\" "
|
|
|
1691 "variable is missing", &var);
|
|
248
|
1692 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1693 }
|
|
|
1694
|
|
126
|
1695 if (var.len == 0) {
|
|
102
|
1696 goto invalid_variable;
|
|
|
1697 }
|
|
|
1698
|
|
392
|
1699 key = ngx_hash_strlow(var.data, var.data, var.len);
|
|
102
|
1700
|
|
160
|
1701 val = ngx_http_ssi_get_variable(r, &var, key);
|
|
102
|
1702
|
|
|
1703 if (val == NULL) {
|
|
184
|
1704 vv = ngx_http_get_variable(r, &var, key,
|
|
|
1705 flags & NGX_HTTP_SSI_EXPR_TEST);
|
|
102
|
1706 if (vv == NULL) {
|
|
|
1707 return NGX_ERROR;
|
|
|
1708 }
|
|
|
1709
|
|
122
|
1710 if (vv->not_found) {
|
|
102
|
1711 continue;
|
|
|
1712 }
|
|
|
1713
|
|
122
|
1714 part_data = vv->data;
|
|
|
1715 part_len = vv->len;
|
|
102
|
1716
|
|
|
1717 } else {
|
|
122
|
1718 part_data = val->data;
|
|
|
1719 part_len = val->len;
|
|
102
|
1720 }
|
|
|
1721
|
|
|
1722 } else {
|
|
122
|
1723 part_data = &text->data[i];
|
|
200
|
1724 quoted = 0;
|
|
122
|
1725
|
|
|
1726 for (p = part_data; i < text->len; i++) {
|
|
108
|
1727 ch = text->data[i];
|
|
|
1728
|
|
200
|
1729 if (!quoted) {
|
|
|
1730
|
|
|
1731 if (ch == '\\') {
|
|
|
1732 quoted = 1;
|
|
|
1733 continue;
|
|
|
1734 }
|
|
|
1735
|
|
|
1736 if (ch == '$') {
|
|
108
|
1737 break;
|
|
|
1738 }
|
|
|
1739
|
|
200
|
1740 } else {
|
|
|
1741 quoted = 0;
|
|
|
1742
|
|
|
1743 if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') {
|
|
|
1744 *p++ = '\\';
|
|
|
1745 }
|
|
108
|
1746 }
|
|
|
1747
|
|
|
1748 *p++ = ch;
|
|
102
|
1749 }
|
|
108
|
1750
|
|
122
|
1751 part_len = p - part_data;
|
|
102
|
1752 }
|
|
|
1753
|
|
122
|
1754 len += part_len;
|
|
102
|
1755
|
|
|
1756 size = ngx_array_push(&lengths);
|
|
|
1757 if (size == NULL) {
|
|
|
1758 return NGX_ERROR;
|
|
|
1759 }
|
|
|
1760
|
|
122
|
1761 *size = part_len;
|
|
102
|
1762
|
|
|
1763 value = ngx_array_push(&values);
|
|
|
1764 if (value == NULL) {
|
|
|
1765 return NGX_ERROR;
|
|
|
1766 }
|
|
|
1767
|
|
122
|
1768 *value = part_data;
|
|
102
|
1769 }
|
|
|
1770
|
|
|
1771 prefix = 0;
|
|
|
1772
|
|
|
1773 size = lengths.elts;
|
|
|
1774 value = values.elts;
|
|
|
1775
|
|
|
1776 if (flags & NGX_HTTP_SSI_ADD_PREFIX) {
|
|
|
1777 for (i = 0; i < values.nelts; i++) {
|
|
|
1778 if (size[i] != 0) {
|
|
|
1779 if (*value[i] != '/') {
|
|
|
1780 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1781 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1782 len += prefix;
|
|
|
1783 break;
|
|
|
1784 }
|
|
|
1785 }
|
|
|
1786 }
|
|
|
1787
|
|
|
1788 break;
|
|
|
1789 }
|
|
|
1790 }
|
|
|
1791 }
|
|
|
1792
|
|
382
|
1793 p = ngx_pnalloc(r->pool, len + ((flags & NGX_HTTP_SSI_ADD_ZERO) ? 1 : 0));
|
|
102
|
1794 if (p == NULL) {
|
|
|
1795 return NGX_ERROR;
|
|
|
1796 }
|
|
|
1797
|
|
|
1798 text->len = len;
|
|
|
1799 text->data = p;
|
|
|
1800
|
|
122
|
1801 p = ngx_copy(p, r->uri.data, prefix);
|
|
102
|
1802
|
|
|
1803 for (i = 0; i < values.nelts; i++) {
|
|
122
|
1804 p = ngx_copy(p, value[i], size[i]);
|
|
102
|
1805 }
|
|
|
1806
|
|
|
1807 return NGX_OK;
|
|
|
1808
|
|
|
1809 invalid_variable:
|
|
|
1810
|
|
|
1811 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1812 "invalid variable name in \"%V\"", text);
|
|
|
1813
|
|
248
|
1814 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1815 }
|
|
|
1816
|
|
|
1817
|
|
|
1818 static ngx_int_t
|
|
|
1819 ngx_http_ssi_include(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1820 ngx_str_t **params)
|
|
|
1821 {
|
|
342
|
1822 u_char *dst, *src;
|
|
|
1823 size_t len;
|
|
248
|
1824 ngx_int_t rc, key;
|
|
|
1825 ngx_str_t *uri, *file, *wait, *set, *stub, args;
|
|
|
1826 ngx_buf_t *b;
|
|
|
1827 ngx_uint_t flags, i;
|
|
250
|
1828 ngx_chain_t *cl, *tl, **ll, *out;
|
|
248
|
1829 ngx_http_request_t *sr;
|
|
|
1830 ngx_http_ssi_var_t *var;
|
|
|
1831 ngx_http_ssi_ctx_t *mctx;
|
|
|
1832 ngx_http_ssi_block_t *bl;
|
|
|
1833 ngx_http_post_subrequest_t *psr;
|
|
102
|
1834
|
|
|
1835 uri = params[NGX_HTTP_SSI_INCLUDE_VIRTUAL];
|
|
|
1836 file = params[NGX_HTTP_SSI_INCLUDE_FILE];
|
|
194
|
1837 wait = params[NGX_HTTP_SSI_INCLUDE_WAIT];
|
|
248
|
1838 set = params[NGX_HTTP_SSI_INCLUDE_SET];
|
|
216
|
1839 stub = params[NGX_HTTP_SSI_INCLUDE_STUB];
|
|
102
|
1840
|
|
|
1841 if (uri && file) {
|
|
|
1842 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1843 "inlcusion may be either virtual=\"%V\" or file=\"%V\"",
|
|
|
1844 uri, file);
|
|
|
1845 return NGX_HTTP_SSI_ERROR;
|
|
|
1846 }
|
|
|
1847
|
|
|
1848 if (uri == NULL && file == NULL) {
|
|
|
1849 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1850 "no parameter in \"include\" SSI command");
|
|
|
1851 return NGX_HTTP_SSI_ERROR;
|
|
|
1852 }
|
|
|
1853
|
|
248
|
1854 if (set && stub) {
|
|
|
1855 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1856 "\"set\" and \"stub\" may not be used together "
|
|
|
1857 "in \"include\" SSI command");
|
|
|
1858 return NGX_HTTP_SSI_ERROR;
|
|
|
1859 }
|
|
|
1860
|
|
194
|
1861 if (wait) {
|
|
|
1862 if (uri == NULL) {
|
|
|
1863 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
216
|
1864 "\"wait\" may not be used with file=\"%V\"", file);
|
|
194
|
1865 return NGX_HTTP_SSI_ERROR;
|
|
|
1866 }
|
|
|
1867
|
|
286
|
1868 if (wait->len == 2
|
|
|
1869 && ngx_strncasecmp(wait->data, (u_char *) "no", 2) == 0)
|
|
|
1870 {
|
|
194
|
1871 wait = NULL;
|
|
|
1872
|
|
286
|
1873 } else if (wait->len != 3
|
|
|
1874 || ngx_strncasecmp(wait->data, (u_char *) "yes", 3) != 0)
|
|
194
|
1875 {
|
|
|
1876 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1877 "invalid value \"%V\" in the \"wait\" parameter",
|
|
216
|
1878 wait);
|
|
194
|
1879 return NGX_HTTP_SSI_ERROR;
|
|
|
1880 }
|
|
|
1881 }
|
|
|
1882
|
|
102
|
1883 if (uri == NULL) {
|
|
|
1884 uri = file;
|
|
434
|
1885 wait = (ngx_str_t *) -1;
|
|
102
|
1886 }
|
|
|
1887
|
|
248
|
1888 rc = ngx_http_ssi_evaluate_string(r, ctx, uri, NGX_HTTP_SSI_ADD_PREFIX);
|
|
|
1889
|
|
|
1890 if (rc != NGX_OK) {
|
|
|
1891 return rc;
|
|
102
|
1892 }
|
|
|
1893
|
|
342
|
1894 dst = uri->data;
|
|
|
1895 src = uri->data;
|
|
|
1896
|
|
|
1897 ngx_unescape_uri(&dst, &src, uri->len, NGX_UNESCAPE_URI);
|
|
|
1898
|
|
|
1899 len = (uri->data + uri->len) - src;
|
|
|
1900 if (len) {
|
|
|
1901 dst = ngx_copy(dst, src, len);
|
|
|
1902 }
|
|
|
1903
|
|
|
1904 uri->len = dst - uri->data;
|
|
|
1905
|
|
|
1906 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1907 "ssi include: \"%V\"", uri);
|
|
|
1908
|
|
102
|
1909 args.len = 0;
|
|
|
1910 args.data = NULL;
|
|
530
|
1911 flags = NGX_HTTP_LOG_UNSAFE;
|
|
122
|
1912
|
|
|
1913 if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) {
|
|
|
1914 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1915 }
|
|
|
1916
|
|
248
|
1917 psr = NULL;
|
|
|
1918
|
|
|
1919 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
216
|
1920
|
|
|
1921 if (stub) {
|
|
|
1922 if (mctx->blocks) {
|
|
|
1923 bl = mctx->blocks->elts;
|
|
|
1924 for (i = 0; i < mctx->blocks->nelts; i++) {
|
|
|
1925 if (stub->len == bl[i].name.len
|
|
|
1926 && ngx_strncmp(stub->data, bl[i].name.data, stub->len) == 0)
|
|
|
1927 {
|
|
|
1928 goto found;
|
|
|
1929 }
|
|
|
1930 }
|
|
|
1931 }
|
|
|
1932
|
|
|
1933 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1934 "\"stub\"=\"%V\" for \"include\" not found", stub);
|
|
|
1935 return NGX_HTTP_SSI_ERROR;
|
|
|
1936
|
|
|
1937 found:
|
|
|
1938
|
|
248
|
1939 psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t));
|
|
|
1940 if (psr == NULL) {
|
|
|
1941 return NGX_ERROR;
|
|
|
1942 }
|
|
|
1943
|
|
|
1944 psr->handler = ngx_http_ssi_stub_output;
|
|
|
1945
|
|
216
|
1946 if (bl[i].count++) {
|
|
|
1947
|
|
366
|
1948 out = NULL;
|
|
250
|
1949 ll = &out;
|
|
216
|
1950
|
|
|
1951 for (tl = bl[i].bufs; tl; tl = tl->next) {
|
|
|
1952
|
|
|
1953 if (ctx->free) {
|
|
|
1954 cl = ctx->free;
|
|
|
1955 ctx->free = ctx->free->next;
|
|
|
1956 b = cl->buf;
|
|
|
1957
|
|
|
1958 } else {
|
|
|
1959 b = ngx_alloc_buf(r->pool);
|
|
|
1960 if (b == NULL) {
|
|
|
1961 return NGX_ERROR;
|
|
|
1962 }
|
|
|
1963
|
|
|
1964 cl = ngx_alloc_chain_link(r->pool);
|
|
|
1965 if (cl == NULL) {
|
|
|
1966 return NGX_ERROR;
|
|
|
1967 }
|
|
|
1968
|
|
|
1969 cl->buf = b;
|
|
|
1970 }
|
|
|
1971
|
|
|
1972 ngx_memcpy(b, tl->buf, sizeof(ngx_buf_t));
|
|
|
1973
|
|
|
1974 b->pos = b->start;
|
|
|
1975
|
|
|
1976 *ll = cl;
|
|
|
1977 cl->next = NULL;
|
|
|
1978 ll = &cl->next;
|
|
|
1979 }
|
|
|
1980
|
|
250
|
1981 psr->data = out;
|
|
|
1982
|
|
216
|
1983 } else {
|
|
248
|
1984 psr->data = bl[i].bufs;
|
|
216
|
1985 }
|
|
|
1986 }
|
|
|
1987
|
|
426
|
1988 if (wait) {
|
|
|
1989 flags |= NGX_HTTP_SUBREQUEST_WAITED;
|
|
|
1990 }
|
|
|
1991
|
|
248
|
1992 if (set) {
|
|
392
|
1993 key = ngx_hash_strlow(set->data, set->data, set->len);
|
|
248
|
1994
|
|
|
1995 psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t));
|
|
|
1996 if (psr == NULL) {
|
|
|
1997 return NGX_ERROR;
|
|
|
1998 }
|
|
|
1999
|
|
|
2000 psr->handler = ngx_http_ssi_set_variable;
|
|
|
2001 psr->data = ngx_http_ssi_get_variable(r, set, key);
|
|
|
2002
|
|
|
2003 if (psr->data == NULL) {
|
|
|
2004
|
|
|
2005 if (mctx->variables == NULL) {
|
|
|
2006 mctx->variables = ngx_list_create(r->pool, 4,
|
|
|
2007 sizeof(ngx_http_ssi_var_t));
|
|
|
2008 if (mctx->variables == NULL) {
|
|
|
2009 return NGX_ERROR;
|
|
|
2010 }
|
|
|
2011 }
|
|
|
2012
|
|
|
2013 var = ngx_list_push(mctx->variables);
|
|
|
2014 if (var == NULL) {
|
|
|
2015 return NGX_ERROR;
|
|
|
2016 }
|
|
|
2017
|
|
|
2018 var->name = *set;
|
|
|
2019 var->key = key;
|
|
|
2020 var->value = ngx_http_ssi_null_string;
|
|
|
2021 psr->data = &var->value;
|
|
|
2022 }
|
|
|
2023
|
|
426
|
2024 flags |= NGX_HTTP_SUBREQUEST_IN_MEMORY|NGX_HTTP_SUBREQUEST_WAITED;
|
|
248
|
2025 }
|
|
|
2026
|
|
426
|
2027 if (ngx_http_subrequest(r, uri, &args, &sr, psr, flags) != NGX_OK) {
|
|
102
|
2028 return NGX_HTTP_SSI_ERROR;
|
|
|
2029 }
|
|
|
2030
|
|
248
|
2031 if (wait == NULL && set == NULL) {
|
|
194
|
2032 return NGX_OK;
|
|
|
2033 }
|
|
|
2034
|
|
426
|
2035 if (ctx->wait == NULL) {
|
|
|
2036 ctx->wait = sr;
|
|
|
2037
|
|
|
2038 return NGX_AGAIN;
|
|
|
2039
|
|
|
2040 } else {
|
|
|
2041 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2042 "only one subrequest may be waited at the same time");
|
|
194
|
2043 }
|
|
|
2044
|
|
426
|
2045 return NGX_OK;
|
|
102
|
2046 }
|
|
|
2047
|
|
|
2048
|
|
46
|
2049 static ngx_int_t
|
|
248
|
2050 ngx_http_ssi_stub_output(ngx_http_request_t *r, void *data, ngx_int_t rc)
|
|
|
2051 {
|
|
|
2052 ngx_chain_t *out;
|
|
|
2053
|
|
|
2054 if (rc == NGX_ERROR || r->connection->error || r->request_output) {
|
|
|
2055 return rc;
|
|
|
2056 }
|
|
|
2057
|
|
|
2058 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2059 "ssi stub output: \"%V?%V\"", &r->uri, &r->args);
|
|
|
2060
|
|
|
2061 out = data;
|
|
|
2062
|
|
|
2063 if (!r->header_sent) {
|
|
454
|
2064 if (ngx_http_set_content_type(r) != NGX_OK) {
|
|
248
|
2065 return NGX_ERROR;
|
|
|
2066 }
|
|
|
2067
|
|
|
2068 if (ngx_http_send_header(r) == NGX_ERROR) {
|
|
|
2069 return NGX_ERROR;
|
|
|
2070 }
|
|
|
2071 }
|
|
|
2072
|
|
|
2073 return ngx_http_output_filter(r, out);
|
|
|
2074 }
|
|
|
2075
|
|
|
2076
|
|
|
2077 static ngx_int_t
|
|
|
2078 ngx_http_ssi_set_variable(ngx_http_request_t *r, void *data, ngx_int_t rc)
|
|
|
2079 {
|
|
|
2080 ngx_str_t *value = data;
|
|
|
2081
|
|
|
2082 if (r->upstream) {
|
|
|
2083 value->len = r->upstream->buffer.last - r->upstream->buffer.pos;
|
|
|
2084 value->data = r->upstream->buffer.pos;
|
|
|
2085 }
|
|
|
2086
|
|
|
2087 return rc;
|
|
|
2088 }
|
|
|
2089
|
|
|
2090
|
|
|
2091 static ngx_int_t
|
|
46
|
2092 ngx_http_ssi_echo(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2093 ngx_str_t **params)
|
|
|
2094 {
|
|
340
|
2095 u_char *p;
|
|
|
2096 uintptr_t len;
|
|
160
|
2097 ngx_int_t key;
|
|
48
|
2098 ngx_buf_t *b;
|
|
340
|
2099 ngx_str_t *var, *value, *enc, text;
|
|
48
|
2100 ngx_chain_t *cl;
|
|
50
|
2101 ngx_http_variable_value_t *vv;
|
|
46
|
2102
|
|
|
2103 var = params[NGX_HTTP_SSI_ECHO_VAR];
|
|
|
2104
|
|
192
|
2105 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2106 "ssi echo \"%V\"", var);
|
|
|
2107
|
|
392
|
2108 key = ngx_hash_strlow(var->data, var->data, var->len);
|
|
160
|
2109
|
|
|
2110 value = ngx_http_ssi_get_variable(r, var, key);
|
|
102
|
2111
|
|
|
2112 if (value == NULL) {
|
|
184
|
2113 vv = ngx_http_get_variable(r, var, key, 1);
|
|
102
|
2114
|
|
|
2115 if (vv == NULL) {
|
|
|
2116 return NGX_HTTP_SSI_ERROR;
|
|
|
2117 }
|
|
|
2118
|
|
122
|
2119 if (!vv->not_found) {
|
|
|
2120 text.data = vv->data;
|
|
|
2121 text.len = vv->len;
|
|
|
2122 value = &text;
|
|
102
|
2123 }
|
|
50
|
2124 }
|
|
46
|
2125
|
|
102
|
2126 if (value == NULL) {
|
|
48
|
2127 value = params[NGX_HTTP_SSI_ECHO_DEFAULT];
|
|
|
2128
|
|
|
2129 if (value == NULL) {
|
|
|
2130 value = &ngx_http_ssi_none;
|
|
|
2131
|
|
|
2132 } else if (value->len == 0) {
|
|
|
2133 return NGX_OK;
|
|
|
2134 }
|
|
|
2135
|
|
|
2136 } else {
|
|
|
2137 if (value->len == 0) {
|
|
|
2138 return NGX_OK;
|
|
|
2139 }
|
|
|
2140 }
|
|
|
2141
|
|
340
|
2142 enc = params[NGX_HTTP_SSI_ECHO_ENCODING];
|
|
|
2143
|
|
|
2144 if (enc) {
|
|
|
2145 if (enc->len == 4 && ngx_strncmp(enc->data, "none", 4) == 0) {
|
|
|
2146
|
|
|
2147 ctx->encoding = NGX_HTTP_SSI_NO_ENCODING;
|
|
|
2148
|
|
|
2149 } else if (enc->len == 3 && ngx_strncmp(enc->data, "url", 3) == 0) {
|
|
|
2150
|
|
|
2151 ctx->encoding = NGX_HTTP_SSI_URL_ENCODING;
|
|
|
2152
|
|
|
2153 } else if (enc->len == 6 && ngx_strncmp(enc->data, "entity", 6) == 0) {
|
|
|
2154
|
|
|
2155 ctx->encoding = NGX_HTTP_SSI_ENTITY_ENCODING;
|
|
|
2156
|
|
|
2157 } else {
|
|
|
2158 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2159 "unknown encoding \"%V\" in the \"echo\" command",
|
|
|
2160 enc);
|
|
|
2161 }
|
|
|
2162 }
|
|
|
2163
|
|
|
2164 switch (ctx->encoding) {
|
|
|
2165
|
|
|
2166 case NGX_HTTP_SSI_NO_ENCODING:
|
|
|
2167 break;
|
|
|
2168
|
|
|
2169 case NGX_HTTP_SSI_URL_ENCODING:
|
|
|
2170 len = 2 * ngx_escape_uri(NULL, value->data, value->len,
|
|
|
2171 NGX_ESCAPE_HTML);
|
|
|
2172
|
|
|
2173 if (len) {
|
|
382
|
2174 p = ngx_pnalloc(r->pool, value->len + len);
|
|
340
|
2175 if (p == NULL) {
|
|
|
2176 return NGX_HTTP_SSI_ERROR;
|
|
|
2177 }
|
|
|
2178
|
|
|
2179 (void) ngx_escape_uri(p, value->data, value->len, NGX_ESCAPE_HTML);
|
|
|
2180
|
|
|
2181 value->len += len;
|
|
|
2182 value->data = p;
|
|
|
2183 }
|
|
|
2184
|
|
|
2185 break;
|
|
|
2186
|
|
|
2187 case NGX_HTTP_SSI_ENTITY_ENCODING:
|
|
|
2188 len = ngx_escape_html(NULL, value->data, value->len);
|
|
|
2189
|
|
|
2190 if (len) {
|
|
382
|
2191 p = ngx_pnalloc(r->pool, value->len + len);
|
|
340
|
2192 if (p == NULL) {
|
|
|
2193 return NGX_HTTP_SSI_ERROR;
|
|
|
2194 }
|
|
|
2195
|
|
|
2196 (void) ngx_escape_html(p, value->data, value->len);
|
|
|
2197
|
|
|
2198 value->len += len;
|
|
|
2199 value->data = p;
|
|
|
2200 }
|
|
|
2201
|
|
|
2202 break;
|
|
|
2203 }
|
|
|
2204
|
|
48
|
2205 b = ngx_calloc_buf(r->pool);
|
|
|
2206 if (b == NULL) {
|
|
|
2207 return NGX_HTTP_SSI_ERROR;
|
|
|
2208 }
|
|
|
2209
|
|
|
2210 cl = ngx_alloc_chain_link(r->pool);
|
|
|
2211 if (cl == NULL) {
|
|
46
|
2212 return NGX_HTTP_SSI_ERROR;
|
|
|
2213 }
|
|
|
2214
|
|
|
2215 b->memory = 1;
|
|
|
2216 b->pos = value->data;
|
|
|
2217 b->last = value->data + value->len;
|
|
|
2218
|
|
|
2219 cl->buf = b;
|
|
|
2220 cl->next = NULL;
|
|
|
2221 *ctx->last_out = cl;
|
|
|
2222 ctx->last_out = &cl->next;
|
|
|
2223
|
|
|
2224 return NGX_OK;
|
|
|
2225 }
|
|
|
2226
|
|
|
2227
|
|
58
|
2228 static ngx_int_t
|
|
|
2229 ngx_http_ssi_config(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2230 ngx_str_t **params)
|
|
|
2231 {
|
|
|
2232 ngx_str_t *value;
|
|
|
2233
|
|
|
2234 value = params[NGX_HTTP_SSI_CONFIG_TIMEFMT];
|
|
|
2235
|
|
|
2236 if (value) {
|
|
138
|
2237 ctx->timefmt.len = value->len;
|
|
382
|
2238 ctx->timefmt.data = ngx_pnalloc(r->pool, value->len + 1);
|
|
138
|
2239 if (ctx->timefmt.data == NULL) {
|
|
|
2240 return NGX_HTTP_SSI_ERROR;
|
|
|
2241 }
|
|
|
2242
|
|
|
2243 ngx_cpystrn(ctx->timefmt.data, value->data, value->len + 1);
|
|
58
|
2244 }
|
|
|
2245
|
|
96
|
2246 value = params[NGX_HTTP_SSI_CONFIG_ERRMSG];
|
|
|
2247
|
|
|
2248 if (value) {
|
|
|
2249 ctx->errmsg = *value;
|
|
|
2250 }
|
|
|
2251
|
|
58
|
2252 return NGX_OK;
|
|
|
2253 }
|
|
|
2254
|
|
|
2255
|
|
|
2256 static ngx_int_t
|
|
102
|
2257 ngx_http_ssi_set(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
58
|
2258 ngx_str_t **params)
|
|
|
2259 {
|
|
248
|
2260 ngx_int_t key, rc;
|
|
102
|
2261 ngx_str_t *name, *value, *vv;
|
|
|
2262 ngx_http_ssi_var_t *var;
|
|
|
2263 ngx_http_ssi_ctx_t *mctx;
|
|
|
2264
|
|
|
2265 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
2266
|
|
216
|
2267 if (mctx->variables == NULL) {
|
|
248
|
2268 mctx->variables = ngx_list_create(r->pool, 4,
|
|
|
2269 sizeof(ngx_http_ssi_var_t));
|
|
216
|
2270 if (mctx->variables == NULL) {
|
|
248
|
2271 return NGX_ERROR;
|
|
58
|
2272 }
|
|
|
2273 }
|
|
|
2274
|
|
102
|
2275 name = params[NGX_HTTP_SSI_SET_VAR];
|
|
|
2276 value = params[NGX_HTTP_SSI_SET_VALUE];
|
|
|
2277
|
|
192
|
2278 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2279 "ssi set \"%V\" \"%V\"", name, value);
|
|
|
2280
|
|
248
|
2281 rc = ngx_http_ssi_evaluate_string(r, ctx, value, 0);
|
|
|
2282
|
|
|
2283 if (rc != NGX_OK) {
|
|
|
2284 return rc;
|
|
58
|
2285 }
|
|
|
2286
|
|
392
|
2287 key = ngx_hash_strlow(name->data, name->data, name->len);
|
|
160
|
2288
|
|
|
2289 vv = ngx_http_ssi_get_variable(r, name, key);
|
|
102
|
2290
|
|
|
2291 if (vv) {
|
|
|
2292 *vv = *value;
|
|
|
2293 return NGX_OK;
|
|
|
2294 }
|
|
|
2295
|
|
248
|
2296 var = ngx_list_push(mctx->variables);
|
|
102
|
2297 if (var == NULL) {
|
|
248
|
2298 return NGX_ERROR;
|
|
102
|
2299 }
|
|
|
2300
|
|
|
2301 var->name = *name;
|
|
160
|
2302 var->key = key;
|
|
102
|
2303 var->value = *value;
|
|
|
2304
|
|
|
2305 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2306 "set: \"%V\"=\"%V\"", name, value);
|
|
|
2307
|
|
58
|
2308 return NGX_OK;
|
|
|
2309 }
|
|
|
2310
|
|
|
2311
|
|
|
2312 static ngx_int_t
|
|
|
2313 ngx_http_ssi_if(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2314 ngx_str_t **params)
|
|
|
2315 {
|
|
102
|
2316 u_char *p, *last;
|
|
|
2317 ngx_str_t *expr, left, right;
|
|
|
2318 ngx_int_t rc;
|
|
178
|
2319 ngx_uint_t negative, noregex, flags;
|
|
58
|
2320
|
|
178
|
2321 if (ctx->command.len == 2) {
|
|
|
2322 if (ctx->conditional) {
|
|
|
2323 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2324 "the \"if\" command inside the \"if\" command");
|
|
|
2325 return NGX_HTTP_SSI_ERROR;
|
|
|
2326 }
|
|
|
2327 }
|
|
|
2328
|
|
|
2329 if (ctx->output_chosen) {
|
|
|
2330 ctx->output = 0;
|
|
|
2331 return NGX_OK;
|
|
|
2332 }
|
|
|
2333
|
|
58
|
2334 expr = params[NGX_HTTP_SSI_IF_EXPR];
|
|
|
2335
|
|
192
|
2336 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2337 "ssi if expr=\"%V\"", expr);
|
|
|
2338
|
|
102
|
2339 left.data = expr->data;
|
|
100
|
2340 last = expr->data + expr->len;
|
|
|
2341
|
|
102
|
2342 for (p = left.data; p < last; p++) {
|
|
100
|
2343 if (*p >= 'A' && *p <= 'Z') {
|
|
|
2344 *p |= 0x20;
|
|
|
2345 continue;
|
|
|
2346 }
|
|
58
|
2347
|
|
102
|
2348 if ((*p >= 'a' && *p <= 'z')
|
|
|
2349 || (*p >= '0' && *p <= '9')
|
|
122
|
2350 || *p == '$' || *p == '{' || *p == '}' || *p == '_'
|
|
|
2351 || *p == '"' || *p == '\'')
|
|
102
|
2352 {
|
|
100
|
2353 continue;
|
|
|
2354 }
|
|
|
2355
|
|
|
2356 break;
|
|
|
2357 }
|
|
|
2358
|
|
102
|
2359 left.len = p - left.data;
|
|
100
|
2360
|
|
|
2361 while (p < last && *p == ' ') {
|
|
|
2362 p++;
|
|
58
|
2363 }
|
|
|
2364
|
|
184
|
2365 flags = (p == last) ? NGX_HTTP_SSI_EXPR_TEST : 0;
|
|
|
2366
|
|
102
|
2367 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2368 "left: \"%V\"", &left);
|
|
|
2369
|
|
248
|
2370 rc = ngx_http_ssi_evaluate_string(r, ctx, &left, flags);
|
|
|
2371
|
|
|
2372 if (rc != NGX_OK) {
|
|
|
2373 return rc;
|
|
58
|
2374 }
|
|
|
2375
|
|
102
|
2376 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2377 "evaluted left: \"%V\"", &left);
|
|
|
2378
|
|
100
|
2379 if (p == last) {
|
|
102
|
2380 if (left.len) {
|
|
100
|
2381 ctx->output = 1;
|
|
178
|
2382 ctx->output_chosen = 1;
|
|
100
|
2383
|
|
|
2384 } else {
|
|
|
2385 ctx->output = 0;
|
|
|
2386 }
|
|
|
2387
|
|
178
|
2388 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
2389
|
|
100
|
2390 return NGX_OK;
|
|
|
2391 }
|
|
|
2392
|
|
|
2393 if (p < last && *p == '=') {
|
|
|
2394 negative = 0;
|
|
|
2395 p++;
|
|
|
2396
|
|
|
2397 } else if (p + 1 < last && *p == '!' && *(p + 1) == '=') {
|
|
|
2398 negative = 1;
|
|
|
2399 p += 2;
|
|
|
2400
|
|
|
2401 } else {
|
|
|
2402 goto invalid_expression;
|
|
|
2403 }
|
|
|
2404
|
|
|
2405 while (p < last && *p == ' ') {
|
|
|
2406 p++;
|
|
|
2407 }
|
|
|
2408
|
|
300
|
2409 if (p < last - 1 && *p == '/') {
|
|
100
|
2410 if (*(last - 1) != '/') {
|
|
|
2411 goto invalid_expression;
|
|
|
2412 }
|
|
|
2413
|
|
|
2414 noregex = 0;
|
|
178
|
2415 flags = NGX_HTTP_SSI_ADD_ZERO;
|
|
100
|
2416 last--;
|
|
274
|
2417 p++;
|
|
100
|
2418
|
|
|
2419 } else {
|
|
|
2420 noregex = 1;
|
|
178
|
2421 flags = 0;
|
|
|
2422
|
|
|
2423 if (p < last - 1 && p[0] == '\\' && p[1] == '/') {
|
|
200
|
2424 p++;
|
|
178
|
2425 }
|
|
100
|
2426 }
|
|
|
2427
|
|
|
2428 right.len = last - p;
|
|
|
2429 right.data = p;
|
|
|
2430
|
|
102
|
2431 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2432 "right: \"%V\"", &right);
|
|
|
2433
|
|
248
|
2434 rc = ngx_http_ssi_evaluate_string(r, ctx, &right, flags);
|
|
|
2435
|
|
|
2436 if (rc != NGX_OK) {
|
|
|
2437 return rc;
|
|
100
|
2438 }
|
|
|
2439
|
|
102
|
2440 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2441 "evaluted right: \"%V\"", &right);
|
|
100
|
2442
|
|
|
2443 if (noregex) {
|
|
|
2444 if (left.len != right.len) {
|
|
|
2445 rc = -1;
|
|
|
2446
|
|
|
2447 } else {
|
|
|
2448 rc = ngx_strncmp(left.data, right.data, right.len);
|
|
|
2449 }
|
|
|
2450
|
|
|
2451 } else {
|
|
|
2452 #if (NGX_PCRE)
|
|
546
|
2453 ngx_regex_compile_t rgc;
|
|
|
2454 u_char errstr[NGX_MAX_CONF_ERRSTR];
|
|
100
|
2455
|
|
|
2456 right.data[right.len] = '\0';
|
|
|
2457
|
|
546
|
2458 ngx_memzero(&rgc, sizeof(ngx_regex_compile_t));
|
|
|
2459
|
|
|
2460 rgc.pattern = right;
|
|
|
2461 rgc.pool = r->pool;
|
|
|
2462 rgc.err.len = NGX_MAX_CONF_ERRSTR;
|
|
|
2463 rgc.err.data = errstr;
|
|
|
2464
|
|
|
2465 if (ngx_regex_compile(&rgc) != NGX_OK) {
|
|
|
2466 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "%V", &rgc.err);
|
|
100
|
2467 return NGX_HTTP_SSI_ERROR;
|
|
|
2468 }
|
|
|
2469
|
|
546
|
2470 rc = ngx_regex_exec(rgc.regex, &left, NULL, 0);
|
|
|
2471
|
|
|
2472 if (rc < NGX_REGEX_NO_MATCHED) {
|
|
100
|
2473 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
546
|
2474 ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"",
|
|
100
|
2475 rc, &left, &right);
|
|
|
2476 return NGX_HTTP_SSI_ERROR;
|
|
|
2477 }
|
|
|
2478 #else
|
|
|
2479 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
2480 "the using of the regex \"%V\" in SSI "
|
|
|
2481 "requires PCRE library", &right);
|
|
|
2482
|
|
|
2483 return NGX_HTTP_SSI_ERROR;
|
|
|
2484 #endif
|
|
|
2485 }
|
|
|
2486
|
|
|
2487 if ((rc == 0 && !negative) || (rc != 0 && negative)) {
|
|
58
|
2488 ctx->output = 1;
|
|
178
|
2489 ctx->output_chosen = 1;
|
|
58
|
2490
|
|
|
2491 } else {
|
|
|
2492 ctx->output = 0;
|
|
|
2493 }
|
|
|
2494
|
|
178
|
2495 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
2496
|
|
58
|
2497 return NGX_OK;
|
|
100
|
2498
|
|
|
2499 invalid_expression:
|
|
|
2500
|
|
|
2501 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2502 "invalid expression in \"%V\"", expr);
|
|
|
2503
|
|
|
2504 return NGX_HTTP_SSI_ERROR;
|
|
58
|
2505 }
|
|
|
2506
|
|
|
2507
|
|
|
2508 static ngx_int_t
|
|
|
2509 ngx_http_ssi_else(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2510 ngx_str_t **params)
|
|
|
2511 {
|
|
192
|
2512 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2513 "ssi else");
|
|
|
2514
|
|
178
|
2515 if (ctx->output_chosen) {
|
|
|
2516 ctx->output = 0;
|
|
|
2517 } else {
|
|
|
2518 ctx->output = 1;
|
|
|
2519 }
|
|
|
2520
|
|
|
2521 ctx->conditional = NGX_HTTP_SSI_COND_ELSE;
|
|
58
|
2522
|
|
|
2523 return NGX_OK;
|
|
|
2524 }
|
|
|
2525
|
|
|
2526
|
|
|
2527 static ngx_int_t
|
|
|
2528 ngx_http_ssi_endif(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2529 ngx_str_t **params)
|
|
|
2530 {
|
|
192
|
2531 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2532 "ssi endif");
|
|
|
2533
|
|
58
|
2534 ctx->output = 1;
|
|
178
|
2535 ctx->output_chosen = 0;
|
|
|
2536 ctx->conditional = 0;
|
|
58
|
2537
|
|
|
2538 return NGX_OK;
|
|
|
2539 }
|
|
|
2540
|
|
|
2541
|
|
122
|
2542 static ngx_int_t
|
|
216
|
2543 ngx_http_ssi_block(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2544 ngx_str_t **params)
|
|
|
2545 {
|
|
|
2546 ngx_http_ssi_ctx_t *mctx;
|
|
|
2547 ngx_http_ssi_block_t *bl;
|
|
|
2548
|
|
|
2549 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2550 "ssi block");
|
|
|
2551
|
|
|
2552 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
2553
|
|
|
2554 if (mctx->blocks == NULL) {
|
|
|
2555 mctx->blocks = ngx_array_create(r->pool, 4,
|
|
|
2556 sizeof(ngx_http_ssi_block_t));
|
|
|
2557 if (mctx->blocks == NULL) {
|
|
|
2558 return NGX_HTTP_SSI_ERROR;
|
|
|
2559 }
|
|
|
2560 }
|
|
|
2561
|
|
|
2562 bl = ngx_array_push(mctx->blocks);
|
|
|
2563 if (bl == NULL) {
|
|
|
2564 return NGX_HTTP_SSI_ERROR;
|
|
|
2565 }
|
|
|
2566
|
|
|
2567 bl->name = *params[NGX_HTTP_SSI_BLOCK_NAME];
|
|
|
2568 bl->bufs = NULL;
|
|
|
2569 bl->count = 0;
|
|
|
2570
|
|
|
2571 ctx->output = 0;
|
|
|
2572 ctx->block = 1;
|
|
|
2573
|
|
|
2574 return NGX_OK;
|
|
|
2575 }
|
|
|
2576
|
|
|
2577
|
|
|
2578 static ngx_int_t
|
|
|
2579 ngx_http_ssi_endblock(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2580 ngx_str_t **params)
|
|
|
2581 {
|
|
|
2582 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2583 "ssi endblock");
|
|
|
2584
|
|
|
2585 ctx->output = 1;
|
|
|
2586 ctx->block = 0;
|
|
|
2587
|
|
|
2588 return NGX_OK;
|
|
|
2589 }
|
|
|
2590
|
|
|
2591
|
|
|
2592 static ngx_int_t
|
|
122
|
2593 ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
|
|
380
|
2594 ngx_http_variable_value_t *v, uintptr_t gmt)
|
|
58
|
2595 {
|
|
122
|
2596 ngx_http_ssi_ctx_t *ctx;
|
|
|
2597 ngx_time_t *tp;
|
|
|
2598 struct tm tm;
|
|
|
2599 char buf[NGX_HTTP_SSI_DATE_LEN];
|
|
|
2600
|
|
126
|
2601 v->valid = 1;
|
|
340
|
2602 v->no_cacheable = 0;
|
|
122
|
2603 v->not_found = 0;
|
|
58
|
2604
|
|
112
|
2605 tp = ngx_timeofday();
|
|
|
2606
|
|
58
|
2607 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
2608
|
|
340
|
2609 if (ctx == NULL
|
|
|
2610 || (ctx->timefmt.len == sizeof("%s") - 1
|
|
|
2611 && ctx->timefmt.data[0] == '%' && ctx->timefmt.data[1] == 's'))
|
|
58
|
2612 {
|
|
382
|
2613 v->data = ngx_pnalloc(r->pool, NGX_TIME_T_LEN);
|
|
122
|
2614 if (v->data == NULL) {
|
|
|
2615 return NGX_ERROR;
|
|
58
|
2616 }
|
|
|
2617
|
|
122
|
2618 v->len = ngx_sprintf(v->data, "%T", tp->sec + (gmt ? 0 : tp->gmtoff))
|
|
|
2619 - v->data;
|
|
206
|
2620
|
|
122
|
2621 return NGX_OK;
|
|
58
|
2622 }
|
|
|
2623
|
|
|
2624 if (gmt) {
|
|
112
|
2625 ngx_libc_gmtime(tp->sec, &tm);
|
|
58
|
2626 } else {
|
|
112
|
2627 ngx_libc_localtime(tp->sec, &tm);
|
|
58
|
2628 }
|
|
|
2629
|
|
122
|
2630 v->len = strftime(buf, NGX_HTTP_SSI_DATE_LEN,
|
|
|
2631 (char *) ctx->timefmt.data, &tm);
|
|
|
2632 if (v->len == 0) {
|
|
|
2633 return NGX_ERROR;
|
|
58
|
2634 }
|
|
|
2635
|
|
382
|
2636 v->data = ngx_pnalloc(r->pool, v->len);
|
|
122
|
2637 if (v->data == NULL) {
|
|
|
2638 return NGX_ERROR;
|
|
58
|
2639 }
|
|
|
2640
|
|
122
|
2641 ngx_memcpy(v->data, buf, v->len);
|
|
|
2642
|
|
|
2643 return NGX_OK;
|
|
58
|
2644 }
|
|
|
2645
|
|
|
2646
|
|
|
2647 static ngx_int_t
|
|
146
|
2648 ngx_http_ssi_preconfiguration(ngx_conf_t *cf)
|
|
58
|
2649 {
|
|
146
|
2650 ngx_int_t rc;
|
|
|
2651 ngx_http_variable_t *var, *v;
|
|
|
2652 ngx_http_ssi_command_t *cmd;
|
|
|
2653 ngx_http_ssi_main_conf_t *smcf;
|
|
58
|
2654
|
|
|
2655 for (v = ngx_http_ssi_vars; v->name.len; v++) {
|
|
|
2656 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
2657 if (var == NULL) {
|
|
|
2658 return NGX_ERROR;
|
|
|
2659 }
|
|
|
2660
|
|
186
|
2661 var->get_handler = v->get_handler;
|
|
58
|
2662 var->data = v->data;
|
|
|
2663 }
|
|
|
2664
|
|
146
|
2665 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
2666
|
|
|
2667 for (cmd = ngx_http_ssi_commands; cmd->name.len; cmd++) {
|
|
|
2668 rc = ngx_hash_add_key(&smcf->commands, &cmd->name, cmd,
|
|
|
2669 NGX_HASH_READONLY_KEY);
|
|
|
2670
|
|
|
2671 if (rc == NGX_OK) {
|
|
|
2672 continue;
|
|
|
2673 }
|
|
|
2674
|
|
|
2675 if (rc == NGX_BUSY) {
|
|
|
2676 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2677 "conflicting SSI command \"%V\"", &cmd->name);
|
|
|
2678 }
|
|
|
2679
|
|
|
2680 return NGX_ERROR;
|
|
|
2681 }
|
|
|
2682
|
|
126
|
2683 return NGX_OK;
|
|
58
|
2684 }
|
|
|
2685
|
|
|
2686
|
|
46
|
2687 static void *
|
|
146
|
2688 ngx_http_ssi_create_main_conf(ngx_conf_t *cf)
|
|
|
2689 {
|
|
|
2690 ngx_http_ssi_main_conf_t *smcf;
|
|
|
2691
|
|
|
2692 smcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_main_conf_t));
|
|
|
2693 if (smcf == NULL) {
|
|
496
|
2694 return NULL;
|
|
146
|
2695 }
|
|
|
2696
|
|
|
2697 smcf->commands.pool = cf->pool;
|
|
|
2698 smcf->commands.temp_pool = cf->temp_pool;
|
|
|
2699
|
|
|
2700 if (ngx_hash_keys_array_init(&smcf->commands, NGX_HASH_SMALL) != NGX_OK) {
|
|
496
|
2701 return NULL;
|
|
146
|
2702 }
|
|
|
2703
|
|
|
2704 return smcf;
|
|
|
2705 }
|
|
|
2706
|
|
|
2707
|
|
|
2708 static char *
|
|
|
2709 ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
2710 {
|
|
|
2711 ngx_http_ssi_main_conf_t *smcf = conf;
|
|
|
2712
|
|
|
2713 ngx_hash_init_t hash;
|
|
|
2714
|
|
|
2715 hash.hash = &smcf->hash;
|
|
|
2716 hash.key = ngx_hash_key;
|
|
|
2717 hash.max_size = 1024;
|
|
|
2718 hash.bucket_size = ngx_cacheline_size;
|
|
|
2719 hash.name = "ssi_command_hash";
|
|
|
2720 hash.pool = cf->pool;
|
|
|
2721 hash.temp_pool = NULL;
|
|
|
2722
|
|
|
2723 if (ngx_hash_init(&hash, smcf->commands.keys.elts,
|
|
|
2724 smcf->commands.keys.nelts)
|
|
|
2725 != NGX_OK)
|
|
|
2726 {
|
|
|
2727 return NGX_CONF_ERROR;
|
|
|
2728 }
|
|
|
2729
|
|
|
2730 return NGX_CONF_OK;
|
|
|
2731 }
|
|
|
2732
|
|
|
2733
|
|
|
2734 static void *
|
|
296
|
2735 ngx_http_ssi_create_loc_conf(ngx_conf_t *cf)
|
|
46
|
2736 {
|
|
146
|
2737 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
2738
|
|
|
2739 slcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_loc_conf_t));
|
|
|
2740 if (slcf == NULL) {
|
|
496
|
2741 return NULL;
|
|
46
|
2742 }
|
|
|
2743
|
|
76
|
2744 /*
|
|
|
2745 * set by ngx_pcalloc():
|
|
|
2746 *
|
|
394
|
2747 * conf->types = { NULL };
|
|
|
2748 * conf->types_keys = NULL;
|
|
76
|
2749 */
|
|
|
2750
|
|
146
|
2751 slcf->enable = NGX_CONF_UNSET;
|
|
|
2752 slcf->silent_errors = NGX_CONF_UNSET;
|
|
|
2753 slcf->ignore_recycled_buffers = NGX_CONF_UNSET;
|
|
|
2754
|
|
|
2755 slcf->min_file_chunk = NGX_CONF_UNSET_SIZE;
|
|
|
2756 slcf->value_len = NGX_CONF_UNSET_SIZE;
|
|
|
2757
|
|
|
2758 return slcf;
|
|
46
|
2759 }
|
|
|
2760
|
|
|
2761
|
|
|
2762 static char *
|
|
296
|
2763 ngx_http_ssi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
46
|
2764 {
|
|
146
|
2765 ngx_http_ssi_loc_conf_t *prev = parent;
|
|
|
2766 ngx_http_ssi_loc_conf_t *conf = child;
|
|
46
|
2767
|
|
|
2768 ngx_conf_merge_value(conf->enable, prev->enable, 0);
|
|
|
2769 ngx_conf_merge_value(conf->silent_errors, prev->silent_errors, 0);
|
|
58
|
2770 ngx_conf_merge_value(conf->ignore_recycled_buffers,
|
|
|
2771 prev->ignore_recycled_buffers, 0);
|
|
46
|
2772
|
|
|
2773 ngx_conf_merge_size_value(conf->min_file_chunk, prev->min_file_chunk, 1024);
|
|
|
2774 ngx_conf_merge_size_value(conf->value_len, prev->value_len, 256);
|
|
|
2775
|
|
554
|
2776 if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types,
|
|
|
2777 &prev->types_keys, &prev->types,
|
|
394
|
2778 ngx_http_html_default_types)
|
|
|
2779 != NGX_OK)
|
|
|
2780 {
|
|
|
2781 return NGX_CONF_ERROR;
|
|
76
|
2782 }
|
|
|
2783
|
|
46
|
2784 return NGX_CONF_OK;
|
|
|
2785 }
|
|
|
2786
|
|
|
2787
|
|
|
2788 static ngx_int_t
|
|
230
|
2789 ngx_http_ssi_filter_init(ngx_conf_t *cf)
|
|
46
|
2790 {
|
|
|
2791 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
|
2792 ngx_http_top_header_filter = ngx_http_ssi_header_filter;
|
|
|
2793
|
|
|
2794 ngx_http_next_body_filter = ngx_http_top_body_filter;
|
|
|
2795 ngx_http_top_body_filter = ngx_http_ssi_body_filter;
|
|
|
2796
|
|
|
2797 return NGX_OK;
|
|
|
2798 }
|
