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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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11 #define NGX_HTTP_SSI_MAX_PARAMS 16
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12
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13 #define NGX_HTTP_SSI_COMMAND_LEN 31
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14 #define NGX_HTTP_SSI_PARAM_LEN 31
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15 #define NGX_HTTP_SSI_PARAMS_N 4
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16
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17 #define NGX_HTTP_SSI_ERROR 1
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18
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58
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19 #define NGX_HTTP_SSI_DATE_LEN 2048
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20
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46
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21
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22 typedef struct {
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23 ngx_flag_t enable;
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24 ngx_flag_t silent_errors;
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25 ngx_flag_t ignore_recycled_buffers;
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46
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26
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27 ngx_array_t *types; /* array of ngx_str_t */
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28
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29 size_t min_file_chunk;
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30 size_t value_len;
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31 } ngx_http_ssi_conf_t;
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32
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33
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34 typedef struct {
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35 ngx_buf_t *buf;
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36
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37 u_char *pos;
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38 u_char *copy_start;
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39 u_char *copy_end;
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40
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41 ngx_str_t command;
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42 ngx_array_t params;
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43 ngx_table_elt_t *param;
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44 ngx_table_elt_t params_array[NGX_HTTP_SSI_PARAMS_N];
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45
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46 ngx_chain_t *in;
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47 ngx_chain_t *out;
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48 ngx_chain_t **last_out;
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48
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49 ngx_chain_t *busy;
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50 ngx_chain_t *free;
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46
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51
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52 ngx_uint_t state;
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53 ngx_uint_t saved_state;
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54 size_t saved;
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55 size_t looked;
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56
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57 size_t value_len;
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58
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58
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59 ngx_uint_t output; /* unsigned output:1; */
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60
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61 ngx_str_t timefmt;
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46
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62 } ngx_http_ssi_ctx_t;
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63
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64
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65 typedef ngx_int_t (*ngx_http_ssi_command_pt) (ngx_http_request_t *r,
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66 ngx_http_ssi_ctx_t *ctx, ngx_str_t **);
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67
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68
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69 typedef struct {
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70 ngx_str_t name;
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71 ngx_uint_t index;
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72
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73 ngx_uint_t mandatory;
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74 } ngx_http_ssi_param_t;
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75
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76
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77 typedef struct {
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78 ngx_str_t name;
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79 ngx_http_ssi_command_pt handler;
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80 ngx_http_ssi_param_t *params;
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81
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82 unsigned conditional:1;
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83 unsigned flush:1;
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84 } ngx_http_ssi_command_t;
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85
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86
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87 typedef enum {
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88 ssi_start_state = 0,
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89 ssi_tag_state,
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90 ssi_comment0_state,
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91 ssi_comment1_state,
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92 ssi_sharp_state,
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93 ssi_precommand_state,
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94 ssi_command_state,
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95 ssi_preparam_state,
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96 ssi_param_state,
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97 ssi_preequal_state,
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98 ssi_prevalue_state,
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99 ssi_double_quoted_value_state,
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100 ssi_quoted_value_state,
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101 ssi_quoted_symbol_state,
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102 ssi_postparam_state,
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103 ssi_comment_end0_state,
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104 ssi_comment_end1_state,
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105 ssi_error_state,
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106 ssi_error_end0_state,
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107 ssi_error_end1_state
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108 } ngx_http_ssi_state_e;
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109
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110
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111 static ngx_int_t ngx_http_ssi_output(ngx_http_request_t *r,
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112 ngx_http_ssi_ctx_t *ctx);
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46
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113 static ngx_int_t ngx_http_ssi_parse(ngx_http_request_t *r,
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114 ngx_http_ssi_ctx_t *ctx);
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115
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116 static ngx_int_t ngx_http_ssi_echo(ngx_http_request_t *r,
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117 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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58
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118 static ngx_int_t ngx_http_ssi_config(ngx_http_request_t *r,
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119 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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120 static ngx_int_t ngx_http_ssi_include(ngx_http_request_t *r,
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121 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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122 static ngx_int_t ngx_http_ssi_if(ngx_http_request_t *r,
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123 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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124 static ngx_int_t ngx_http_ssi_else(ngx_http_request_t *r,
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125 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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126 static ngx_int_t ngx_http_ssi_endif(ngx_http_request_t *r,
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127 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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128
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129 static ngx_http_variable_value_t *
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130 ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r, uintptr_t gmt);
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131
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132 static char *ngx_http_ssi_types(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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133
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134 static ngx_int_t ngx_http_ssi_add_variables(ngx_conf_t *cf);
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46
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135 static void *ngx_http_ssi_create_conf(ngx_conf_t *cf);
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136 static char *ngx_http_ssi_merge_conf(ngx_conf_t *cf,
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137 void *parent, void *child);
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138 static ngx_int_t ngx_http_ssi_filter_init(ngx_cycle_t *cycle);
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139
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140
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141 static ngx_command_t ngx_http_ssi_filter_commands[] = {
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142
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143 { ngx_string("ssi"),
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144 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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145 ngx_conf_set_flag_slot,
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146 NGX_HTTP_LOC_CONF_OFFSET,
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147 offsetof(ngx_http_ssi_conf_t, enable),
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148 NULL },
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149
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150 { ngx_string("ssi_silent_errors"),
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151 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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152 ngx_conf_set_flag_slot,
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153 NGX_HTTP_LOC_CONF_OFFSET,
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154 offsetof(ngx_http_ssi_conf_t, silent_errors),
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155 NULL },
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156
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58
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157 { ngx_string("ssi_ignore_recycled_buffers"),
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158 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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159 ngx_conf_set_flag_slot,
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160 NGX_HTTP_LOC_CONF_OFFSET,
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161 offsetof(ngx_http_ssi_conf_t, ignore_recycled_buffers),
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162 NULL },
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163
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164 { ngx_string("ssi_min_file_chunk"),
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165 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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166 ngx_conf_set_size_slot,
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167 NGX_HTTP_LOC_CONF_OFFSET,
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168 offsetof(ngx_http_ssi_conf_t, min_file_chunk),
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169 NULL },
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170
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76
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171 { ngx_string("ssi_types"),
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172 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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173 ngx_http_ssi_types,
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174 NGX_HTTP_LOC_CONF_OFFSET,
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175 0,
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176 NULL },
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177
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178 ngx_null_command
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179 };
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180
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181
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182
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183 static ngx_http_module_t ngx_http_ssi_filter_module_ctx = {
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184 ngx_http_ssi_add_variables, /* preconfiguration */
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185 NULL, /* postconfiguration */
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186
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187 NULL, /* create main configuration */
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188 NULL, /* init main configuration */
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189
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190 NULL, /* create server configuration */
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191 NULL, /* merge server configuration */
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192
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193 ngx_http_ssi_create_conf, /* create location configuration */
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194 ngx_http_ssi_merge_conf /* merge location configuration */
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195 };
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196
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197
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198 ngx_module_t ngx_http_ssi_filter_module = {
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58
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199 NGX_MODULE_V1,
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200 &ngx_http_ssi_filter_module_ctx, /* module context */
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201 ngx_http_ssi_filter_commands, /* module directives */
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202 NGX_HTTP_MODULE, /* module type */
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203 ngx_http_ssi_filter_init, /* init module */
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204 NULL /* init process */
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46
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205 };
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206
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207
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208 static ngx_int_t (*ngx_http_next_header_filter) (ngx_http_request_t *r);
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209 static ngx_int_t (*ngx_http_next_body_filter) (ngx_http_request_t *r,
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210 ngx_chain_t *in);
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211
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212
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213 static u_char ngx_http_ssi_string[] = "<!--";
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214 static u_char ngx_http_ssi_error_string[] =
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76
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215 "[an error occurred while processing the directive]";
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46
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216
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217 static ngx_str_t ngx_http_ssi_none = ngx_string("(none)");
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218
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219
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58
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220 #define NGX_HTTP_SSI_ECHO_VAR 0
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221 #define NGX_HTTP_SSI_ECHO_DEFAULT 1
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222
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223 #define NGX_HTTP_SSI_CONFIG_TIMEFMT 0
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224
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225 #define NGX_HTTP_SSI_INCLUDE_VIRTUAL 0
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226 #define NGX_HTTP_SSI_INCLUDE_FILE 1
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227
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228 #define NGX_HTTP_SSI_IF_EXPR 0
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229
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46
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230
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231 static ngx_http_ssi_param_t ngx_http_ssi_echo_params[] = {
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232 { ngx_string("var"), NGX_HTTP_SSI_ECHO_VAR, 1 },
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233 { ngx_string("default"), NGX_HTTP_SSI_ECHO_DEFAULT, 0 },
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234 { ngx_null_string, 0, 0 }
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235 };
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236
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58
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237 static ngx_http_ssi_param_t ngx_http_ssi_include_params[] = {
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238 { ngx_string("virtual"), NGX_HTTP_SSI_INCLUDE_VIRTUAL, 0 },
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239 #if 0
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240 { ngx_string("file"), NGX_HTTP_SSI_INCLUDE_FILE, 0 },
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241 #endif
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242 { ngx_null_string, 0, 0 }
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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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247 { ngx_string("timefmt"), NGX_HTTP_SSI_CONFIG_TIMEFMT, 0 },
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248 { ngx_null_string, 0, 0 }
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249 };
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250
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251
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252 static ngx_http_ssi_param_t ngx_http_ssi_if_params[] = {
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253 { ngx_string("expr"), NGX_HTTP_SSI_IF_EXPR, 0 },
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254 { ngx_null_string, 0, 0 }
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255 };
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256
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257
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258 static ngx_http_ssi_param_t ngx_http_ssi_no_params[] = {
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259 { ngx_null_string, 0, 0 }
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260 };
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261
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262
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263 static ngx_http_ssi_command_t ngx_http_ssi_commands[] = {
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58
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264 { ngx_string("echo"), ngx_http_ssi_echo, ngx_http_ssi_echo_params, 0, 0 },
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265 { ngx_string("config"), ngx_http_ssi_config,
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266 ngx_http_ssi_config_params, 0, 0 },
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267 { ngx_string("include"), ngx_http_ssi_include,
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268 ngx_http_ssi_include_params, 0, 1 },
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269
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270 { ngx_string("if"), ngx_http_ssi_if, ngx_http_ssi_if_params, 0, 0 },
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271 { ngx_string("else"), ngx_http_ssi_else, ngx_http_ssi_no_params, 1, 0 },
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272 { ngx_string("endif"), ngx_http_ssi_endif, ngx_http_ssi_no_params, 1, 0 },
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273
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274 { ngx_null_string, NULL, NULL, 0, 0 }
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46
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275 };
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276
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277
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58
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278 static ngx_http_variable_t ngx_http_ssi_vars[] = {
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279
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280 { ngx_string("date_local"), ngx_http_ssi_date_gmt_local_variable, 0,
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281 NGX_HTTP_VAR_NOCACHABLE },
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282
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283 { ngx_string("date_gmt"), ngx_http_ssi_date_gmt_local_variable, 1,
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284 NGX_HTTP_VAR_NOCACHABLE },
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285
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286 { ngx_null_string, NULL, 0, 0 }
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287 };
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288
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289
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290
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291 static ngx_int_t
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292 ngx_http_ssi_header_filter(ngx_http_request_t *r)
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293 {
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294 ngx_uint_t i;
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295 ngx_str_t *type;
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46
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296 ngx_http_ssi_ctx_t *ctx;
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297 ngx_http_ssi_conf_t *conf;
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298
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299 conf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
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300
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76
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301 if (!conf->enable
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302 || r->headers_out.content_type.len == 0)
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303 {
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304 return ngx_http_next_header_filter(r);
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305 }
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306
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307
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308 type = conf->types->elts;
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309 for (i = 0; i < conf->types->nelts; i++) {
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310 if (r->headers_out.content_type.len >= type[i].len
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311 && ngx_strncasecmp(r->headers_out.content_type.data,
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312 type[i].data, type[i].len) == 0)
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313 {
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314 goto found;
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315 }
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316 }
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317
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318 return ngx_http_next_header_filter(r);
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319
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320
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321 found:
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322
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323 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_ssi_ctx_t));
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324 if (ctx == NULL) {
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46
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325 return NGX_ERROR;
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326 }
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327
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328 ngx_http_set_ctx(r, ctx, ngx_http_ssi_filter_module);
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329
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330
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331 ctx->value_len = conf->value_len;
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332 ctx->last_out = &ctx->out;
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333
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334 ctx->output = 1;
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335
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336 ctx->params.elts = ctx->params_array;
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337 ctx->params.size = sizeof(ngx_table_elt_t);
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338 ctx->params.nalloc = NGX_HTTP_SSI_PARAMS_N;
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339 ctx->params.pool = r->pool;
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340
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341 ctx->timefmt.len = sizeof("%A, %d-%b-%Y %H:%M:%S %Z") - 1;
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342 ctx->timefmt.data = (u_char *) "%A, %d-%b-%Y %H:%M:%S %Z";
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343
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344 r->filter_need_in_memory = 1;
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345
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58
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346 if (r->main == NULL) {
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347 r->headers_out.content_length_n = -1;
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348 if (r->headers_out.content_length) {
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349 r->headers_out.content_length->hash = 0;
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350 r->headers_out.content_length = NULL;
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351 }
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352
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353 r->headers_out.last_modified_time = -1;
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354 if (r->headers_out.last_modified) {
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355 r->headers_out.last_modified->hash = 0;
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356 r->headers_out.last_modified = NULL;
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357 }
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358 }
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359
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46
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360 return ngx_http_next_header_filter(r);
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361 }
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362
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363
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364 static ngx_int_t
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365 ngx_http_ssi_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
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366 {
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367 ngx_int_t rc;
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368 ngx_uint_t i;
|
|
|
369 ngx_buf_t *b;
|
|
|
370 ngx_chain_t *cl;
|
|
|
371 ngx_table_elt_t *param;
|
|
|
372 ngx_http_ssi_ctx_t *ctx;
|
|
|
373 ngx_http_ssi_conf_t *conf;
|
|
|
374 ngx_http_ssi_param_t *prm;
|
|
|
375 ngx_http_ssi_command_t *cmd;
|
|
|
376 ngx_str_t *params[NGX_HTTP_SSI_MAX_PARAMS];
|
|
|
377
|
|
|
378 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
379
|
|
48
|
380 if (ctx == NULL || (in == NULL && ctx->in == NULL && ctx->busy == NULL)) {
|
|
46
|
381 return ngx_http_next_body_filter(r, in);
|
|
|
382 }
|
|
|
383
|
|
|
384 /* add the incoming chain to the chain ctx->in */
|
|
|
385
|
|
|
386 if (in) {
|
|
|
387 if (ngx_chain_add_copy(r->pool, &ctx->in, in) == NGX_ERROR) {
|
|
|
388 return NGX_ERROR;
|
|
|
389 }
|
|
|
390 }
|
|
|
391
|
|
|
392 conf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
|
393
|
|
58
|
394 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
395 "http ssi filter \"%V\"", &r->uri);
|
|
46
|
396
|
|
48
|
397 while (ctx->in || ctx->buf) {
|
|
46
|
398
|
|
48
|
399 if (ctx->buf == NULL ){
|
|
|
400 ctx->buf = ctx->in->buf;
|
|
|
401 ctx->in = ctx->in->next;
|
|
|
402 ctx->pos = ctx->buf->pos;
|
|
|
403 }
|
|
46
|
404
|
|
|
405 if (ctx->state == ssi_start_state) {
|
|
|
406 ctx->copy_start = ctx->pos;
|
|
|
407 ctx->copy_end = ctx->pos;
|
|
|
408 }
|
|
|
409
|
|
48
|
410 b = NULL;
|
|
|
411
|
|
46
|
412 while (ctx->pos < ctx->buf->last) {
|
|
|
413
|
|
|
414 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
415 "saved: %d state: %d", ctx->saved, ctx->state);
|
|
|
416
|
|
|
417 rc = ngx_http_ssi_parse(r, ctx);
|
|
|
418
|
|
|
419 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
420 "parse: %d, looked: %d %p-%p",
|
|
|
421 rc, ctx->looked, ctx->copy_start, ctx->copy_end);
|
|
|
422
|
|
|
423 if (rc == NGX_ERROR) {
|
|
|
424 return rc;
|
|
|
425 }
|
|
|
426
|
|
|
427 if (ctx->copy_start != ctx->copy_end) {
|
|
|
428
|
|
58
|
429 if (ctx->output) {
|
|
|
430
|
|
|
431 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
432 "saved: %d", ctx->saved);
|
|
|
433
|
|
|
434 if (ctx->saved) {
|
|
|
435
|
|
|
436 if (ctx->free) {
|
|
|
437 cl = ctx->free;
|
|
|
438 ctx->free = ctx->free->next;
|
|
|
439 b = cl->buf;
|
|
|
440 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
46
|
441
|
|
58
|
442 } else {
|
|
|
443 b = ngx_calloc_buf(r->pool);
|
|
|
444 if (b == NULL) {
|
|
|
445 return NGX_ERROR;
|
|
|
446 }
|
|
|
447
|
|
|
448 cl = ngx_alloc_chain_link(r->pool);
|
|
|
449 if (cl == NULL) {
|
|
|
450 return NGX_ERROR;
|
|
|
451 }
|
|
|
452
|
|
|
453 cl->buf = b;
|
|
|
454 }
|
|
|
455
|
|
|
456 b->memory = 1;
|
|
|
457 b->pos = ngx_http_ssi_string;
|
|
|
458 b->last = ngx_http_ssi_string + ctx->saved;
|
|
|
459
|
|
|
460 *ctx->last_out = cl;
|
|
|
461 ctx->last_out = &cl->next;
|
|
|
462
|
|
|
463 ctx->saved = 0;
|
|
|
464 }
|
|
48
|
465
|
|
|
466 if (ctx->free) {
|
|
|
467 cl = ctx->free;
|
|
|
468 ctx->free = ctx->free->next;
|
|
|
469 b = cl->buf;
|
|
|
470
|
|
|
471 } else {
|
|
58
|
472 b = ngx_alloc_buf(r->pool);
|
|
48
|
473 if (b == NULL) {
|
|
|
474 return NGX_ERROR;
|
|
|
475 }
|
|
|
476
|
|
|
477 cl = ngx_alloc_chain_link(r->pool);
|
|
|
478 if (cl == NULL) {
|
|
|
479 return NGX_ERROR;
|
|
|
480 }
|
|
|
481
|
|
|
482 cl->buf = b;
|
|
46
|
483 }
|
|
|
484
|
|
58
|
485 ngx_memcpy(b, ctx->buf, sizeof(ngx_buf_t));
|
|
|
486
|
|
62
|
487 b->pos = ctx->copy_start;
|
|
|
488 b->last = ctx->copy_end;
|
|
|
489 b->shadow = NULL;
|
|
58
|
490 b->last_buf = 0;
|
|
|
491 b->recycled = 0;
|
|
46
|
492
|
|
58
|
493 if (b->in_file) {
|
|
|
494 if (conf->min_file_chunk < (size_t) (b->last - b->pos))
|
|
|
495 {
|
|
|
496 b->file_last = b->file_pos + (b->last - b->start);
|
|
|
497 b->file_pos += b->pos - b->start;
|
|
|
498
|
|
|
499 } else {
|
|
|
500 b->in_file = 0;
|
|
|
501 }
|
|
|
502 }
|
|
|
503
|
|
|
504 cl->next = NULL;
|
|
46
|
505 *ctx->last_out = cl;
|
|
|
506 ctx->last_out = &cl->next;
|
|
|
507
|
|
58
|
508 } else {
|
|
46
|
509 ctx->saved = 0;
|
|
|
510 }
|
|
|
511 }
|
|
|
512
|
|
|
513 if (ctx->state == ssi_start_state) {
|
|
|
514 ctx->copy_start = ctx->pos;
|
|
|
515 ctx->copy_end = ctx->pos;
|
|
|
516
|
|
|
517 } else {
|
|
|
518 ctx->copy_start = NULL;
|
|
|
519 ctx->copy_end = NULL;
|
|
|
520 }
|
|
|
521
|
|
|
522 if (rc == NGX_AGAIN) {
|
|
|
523 continue;
|
|
|
524 }
|
|
|
525
|
|
|
526
|
|
|
527 if (rc == NGX_OK) {
|
|
|
528
|
|
|
529 for (cmd = ngx_http_ssi_commands; cmd->handler; cmd++) {
|
|
|
530 if (cmd->name.len == 0) {
|
|
|
531 cmd = (ngx_http_ssi_command_t *) cmd->handler;
|
|
|
532 }
|
|
|
533
|
|
|
534 if (cmd->name.len != ctx->command.len
|
|
|
535 || ngx_strncmp(cmd->name.data, ctx->command.data,
|
|
|
536 ctx->command.len) != 0)
|
|
|
537 {
|
|
|
538 continue;
|
|
|
539 }
|
|
|
540
|
|
|
541 break;
|
|
|
542 }
|
|
|
543
|
|
58
|
544 if (cmd->name.len == 0 && ctx->output) {
|
|
46
|
545 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
546 "invalid SSI command: \"%V\"", &ctx->command);
|
|
|
547 goto ssi_error;
|
|
|
548 }
|
|
|
549
|
|
58
|
550 if (!ctx->output && !cmd->conditional) {
|
|
|
551 continue;
|
|
|
552 }
|
|
|
553
|
|
46
|
554 ngx_memzero(params,
|
|
|
555 NGX_HTTP_SSI_MAX_PARAMS * sizeof(ngx_str_t *));
|
|
|
556
|
|
|
557 param = ctx->params.elts;
|
|
|
558
|
|
|
559
|
|
|
560 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
561
|
|
|
562 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
563
|
|
|
564 if (param[i].key.len != prm->name.len
|
|
|
565 || ngx_strncmp(param[i].key.data, prm->name.data,
|
|
|
566 prm->name.len) != 0)
|
|
|
567 {
|
|
|
568 continue;
|
|
|
569 }
|
|
|
570
|
|
|
571 if (params[prm->index]) {
|
|
|
572 ngx_log_error(NGX_LOG_ERR,
|
|
|
573 r->connection->log, 0,
|
|
|
574 "duplicate \"%V\" parameter "
|
|
|
575 "in \"%V\" SSI command",
|
|
|
576 ¶m[i].key, &ctx->command);
|
|
|
577
|
|
|
578 goto ssi_error;
|
|
|
579 }
|
|
|
580
|
|
|
581 params[prm->index] = ¶m[i].value;
|
|
|
582
|
|
|
583 break;
|
|
|
584 }
|
|
|
585
|
|
|
586 if (prm->name.len == 0) {
|
|
|
587 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
588 "invalid parameter name: \"%V\" "
|
|
|
589 "in \"%V\" SSI command",
|
|
|
590 ¶m[i].key, &ctx->command);
|
|
|
591
|
|
|
592 goto ssi_error;
|
|
|
593 }
|
|
|
594 }
|
|
|
595
|
|
|
596 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
597 if (prm->mandatory && params[prm->index] == 0) {
|
|
|
598 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
599 "mandatory \"%V\" parameter is absent "
|
|
|
600 "in \"%V\" SSI command",
|
|
|
601 &prm->name, &ctx->command);
|
|
|
602
|
|
|
603 goto ssi_error;
|
|
|
604 }
|
|
|
605 }
|
|
|
606
|
|
58
|
607 if (cmd->flush && ctx->out) {
|
|
|
608 rc = ngx_http_ssi_output(r, ctx);
|
|
|
609
|
|
|
610 if (rc == NGX_ERROR) {
|
|
|
611 return NGX_ERROR;
|
|
|
612 }
|
|
|
613 }
|
|
|
614
|
|
46
|
615 if (cmd->handler(r, ctx, params) == NGX_OK) {
|
|
|
616 continue;
|
|
|
617 }
|
|
|
618 }
|
|
|
619
|
|
|
620
|
|
|
621 /* rc == NGX_HTTP_SSI_ERROR */
|
|
|
622
|
|
48
|
623 ssi_error:
|
|
46
|
624
|
|
|
625 if (conf->silent_errors) {
|
|
|
626 continue;
|
|
|
627 }
|
|
|
628
|
|
48
|
629 if (ctx->free) {
|
|
|
630 cl = ctx->free;
|
|
|
631 ctx->free = ctx->free->next;
|
|
|
632 b = cl->buf;
|
|
|
633 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
634
|
|
|
635 } else {
|
|
|
636 b = ngx_calloc_buf(r->pool);
|
|
|
637 if (b == NULL) {
|
|
|
638 return NGX_ERROR;
|
|
|
639 }
|
|
|
640
|
|
|
641 cl = ngx_alloc_chain_link(r->pool);
|
|
|
642 if (cl == NULL) {
|
|
|
643 return NGX_ERROR;
|
|
|
644 }
|
|
|
645
|
|
|
646 cl->buf = b;
|
|
46
|
647 }
|
|
|
648
|
|
|
649 b->memory = 1;
|
|
|
650 b->pos = ngx_http_ssi_error_string;
|
|
|
651 b->last = ngx_http_ssi_error_string
|
|
|
652 + sizeof(ngx_http_ssi_error_string) - 1;
|
|
|
653
|
|
|
654 cl->next = NULL;
|
|
|
655 *ctx->last_out = cl;
|
|
|
656 ctx->last_out = &cl->next;
|
|
|
657
|
|
|
658 continue;
|
|
|
659 }
|
|
|
660
|
|
58
|
661 if (ctx->buf->last_buf || ctx->buf->recycled) {
|
|
|
662
|
|
48
|
663 if (b == NULL) {
|
|
|
664 if (ctx->free) {
|
|
|
665 cl = ctx->free;
|
|
|
666 ctx->free = ctx->free->next;
|
|
|
667 b = cl->buf;
|
|
|
668 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
669
|
|
|
670 } else {
|
|
|
671 b = ngx_calloc_buf(r->pool);
|
|
|
672 if (b == NULL) {
|
|
|
673 return NGX_ERROR;
|
|
|
674 }
|
|
46
|
675
|
|
48
|
676 cl = ngx_alloc_chain_link(r->pool);
|
|
|
677 if (cl == NULL) {
|
|
|
678 return NGX_ERROR;
|
|
|
679 }
|
|
|
680
|
|
|
681 cl->buf = b;
|
|
|
682 }
|
|
|
683
|
|
58
|
684 b->sync = 1;
|
|
|
685
|
|
48
|
686 cl->next = NULL;
|
|
|
687 *ctx->last_out = cl;
|
|
|
688 ctx->last_out = &cl->next;
|
|
|
689 }
|
|
|
690
|
|
|
691 b->last_buf = ctx->buf->last_buf;
|
|
|
692 b->shadow = ctx->buf;
|
|
58
|
693
|
|
|
694 if (conf->ignore_recycled_buffers == 0) {
|
|
|
695 b->recycled = ctx->buf->recycled;
|
|
|
696 }
|
|
46
|
697 }
|
|
|
698
|
|
48
|
699 ctx->buf = NULL;
|
|
|
700
|
|
46
|
701 ctx->saved = ctx->looked;
|
|
|
702 }
|
|
|
703
|
|
48
|
704 if (ctx->out == NULL && ctx->busy == NULL) {
|
|
46
|
705 return NGX_OK;
|
|
|
706 }
|
|
|
707
|
|
58
|
708 return ngx_http_ssi_output(r, ctx);
|
|
|
709 }
|
|
|
710
|
|
|
711
|
|
|
712 static ngx_int_t
|
|
|
713 ngx_http_ssi_output(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
714 {
|
|
|
715 ngx_int_t rc;
|
|
|
716 ngx_buf_t *b;
|
|
|
717 ngx_chain_t *cl;
|
|
|
718
|
|
46
|
719 rc = ngx_http_next_body_filter(r, ctx->out);
|
|
|
720
|
|
48
|
721 if (ctx->busy == NULL) {
|
|
|
722 ctx->busy = ctx->out;
|
|
|
723
|
|
|
724 } else {
|
|
|
725 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ }
|
|
|
726 cl->next = ctx->out;
|
|
|
727 }
|
|
|
728
|
|
46
|
729 ctx->out = NULL;
|
|
|
730 ctx->last_out = &ctx->out;
|
|
|
731
|
|
48
|
732 while (ctx->busy) {
|
|
|
733
|
|
|
734 b = ctx->busy->buf;
|
|
|
735
|
|
|
736 if (ngx_buf_size(b) != 0) {
|
|
|
737 break;
|
|
|
738 }
|
|
|
739
|
|
|
740 #if (NGX_HAVE_WRITE_ZEROCOPY)
|
|
|
741 if (b->zerocopy_busy) {
|
|
|
742 break;
|
|
|
743 }
|
|
|
744 #endif
|
|
|
745
|
|
|
746 if (b->shadow) {
|
|
|
747 b->shadow->pos = b->shadow->last;
|
|
|
748 }
|
|
|
749
|
|
|
750 cl = ctx->busy;
|
|
|
751 ctx->busy = cl->next;
|
|
|
752 cl->next = ctx->free;
|
|
|
753 ctx->free = cl;
|
|
|
754 }
|
|
|
755
|
|
46
|
756 return rc;
|
|
|
757 }
|
|
|
758
|
|
|
759
|
|
|
760 static ngx_int_t
|
|
|
761 ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
762 {
|
|
|
763 u_char *p, *last, *copy_end, ch;
|
|
|
764 size_t looked;
|
|
|
765 ngx_http_ssi_state_e state;
|
|
|
766
|
|
|
767 state = ctx->state;
|
|
|
768 looked = ctx->looked;
|
|
|
769 last = ctx->buf->last;
|
|
|
770 copy_end = ctx->copy_end;
|
|
|
771
|
|
|
772 for (p = ctx->pos; p < last; p++) {
|
|
|
773
|
|
|
774 ch = *p;
|
|
|
775
|
|
|
776 if (state == ssi_start_state) {
|
|
|
777
|
|
|
778 /* the tight loop */
|
|
|
779
|
|
48
|
780 for ( ;; ) {
|
|
|
781 if (ch == '<') {
|
|
|
782 copy_end = p;
|
|
|
783 looked = 1;
|
|
|
784 state = ssi_tag_state;
|
|
|
785
|
|
|
786 goto tag_started;
|
|
46
|
787 }
|
|
|
788
|
|
48
|
789 if (++p == last) {
|
|
|
790 break;
|
|
|
791 }
|
|
46
|
792
|
|
48
|
793 ch = *p;
|
|
46
|
794 }
|
|
|
795
|
|
|
796 ctx->pos = p;
|
|
|
797 ctx->looked = looked;
|
|
|
798 ctx->copy_end = p;
|
|
|
799
|
|
|
800 if (ctx->copy_start == NULL) {
|
|
|
801 ctx->copy_start = ctx->buf->pos;
|
|
|
802 }
|
|
|
803
|
|
|
804 return NGX_AGAIN;
|
|
|
805
|
|
48
|
806 tag_started:
|
|
|
807
|
|
46
|
808 continue;
|
|
|
809 }
|
|
|
810
|
|
|
811 switch (state) {
|
|
|
812
|
|
|
813 case ssi_start_state:
|
|
|
814 break;
|
|
|
815
|
|
|
816 case ssi_tag_state:
|
|
|
817 switch (ch) {
|
|
|
818 case '!':
|
|
|
819 looked = 2;
|
|
|
820 state = ssi_comment0_state;
|
|
|
821 break;
|
|
|
822
|
|
|
823 case '<':
|
|
|
824 copy_end = p;
|
|
|
825 break;
|
|
|
826
|
|
|
827 default:
|
|
|
828 copy_end = p;
|
|
|
829 looked = 0;
|
|
|
830 state = ssi_start_state;
|
|
|
831 break;
|
|
|
832 }
|
|
|
833
|
|
|
834 break;
|
|
|
835
|
|
|
836 case ssi_comment0_state:
|
|
|
837 switch (ch) {
|
|
|
838 case '-':
|
|
|
839 looked = 3;
|
|
|
840 state = ssi_comment1_state;
|
|
|
841 break;
|
|
|
842
|
|
|
843 case '<':
|
|
|
844 copy_end = p;
|
|
|
845 looked = 1;
|
|
|
846 state = ssi_tag_state;
|
|
|
847 break;
|
|
|
848
|
|
|
849 default:
|
|
|
850 copy_end = p;
|
|
|
851 looked = 0;
|
|
|
852 state = ssi_start_state;
|
|
|
853 break;
|
|
|
854 }
|
|
|
855
|
|
|
856 break;
|
|
|
857
|
|
|
858 case ssi_comment1_state:
|
|
|
859 switch (ch) {
|
|
|
860 case '-':
|
|
|
861 looked = 4;
|
|
|
862 state = ssi_sharp_state;
|
|
|
863 break;
|
|
|
864
|
|
|
865 case '<':
|
|
|
866 copy_end = p;
|
|
|
867 looked = 1;
|
|
|
868 state = ssi_tag_state;
|
|
|
869 break;
|
|
|
870
|
|
|
871 default:
|
|
|
872 copy_end = p;
|
|
|
873 looked = 0;
|
|
|
874 state = ssi_start_state;
|
|
|
875 break;
|
|
|
876 }
|
|
|
877
|
|
|
878 break;
|
|
|
879
|
|
|
880 case ssi_sharp_state:
|
|
|
881 switch (ch) {
|
|
|
882 case '#':
|
|
|
883 if (ctx->copy_start) {
|
|
|
884 ctx->saved = 0;
|
|
|
885 }
|
|
|
886 looked = 0;
|
|
|
887 state = ssi_precommand_state;
|
|
|
888 break;
|
|
|
889
|
|
|
890 case '<':
|
|
|
891 copy_end = p;
|
|
|
892 looked = 1;
|
|
|
893 state = ssi_tag_state;
|
|
|
894 break;
|
|
|
895
|
|
|
896 default:
|
|
|
897 copy_end = p;
|
|
|
898 looked = 0;
|
|
|
899 state = ssi_start_state;
|
|
|
900 break;
|
|
|
901 }
|
|
|
902
|
|
|
903 break;
|
|
|
904
|
|
|
905 case ssi_precommand_state:
|
|
|
906 switch (ch) {
|
|
|
907 case ' ':
|
|
|
908 case CR:
|
|
|
909 case LF:
|
|
|
910 case '\t':
|
|
|
911 break;
|
|
|
912
|
|
|
913 default:
|
|
|
914 ctx->command.len = 1;
|
|
|
915 ctx->command.data = ngx_palloc(r->pool,
|
|
|
916 NGX_HTTP_SSI_COMMAND_LEN + 1);
|
|
|
917 if (ctx->command.data == NULL) {
|
|
|
918 return NGX_ERROR;
|
|
|
919 }
|
|
|
920
|
|
|
921 ctx->command.data[0] = ch;
|
|
|
922 ctx->params.nelts = 0;
|
|
|
923 state = ssi_command_state;
|
|
|
924 break;
|
|
|
925 }
|
|
|
926
|
|
|
927 break;
|
|
|
928
|
|
|
929 case ssi_command_state:
|
|
|
930 switch (ch) {
|
|
|
931 case ' ':
|
|
|
932 case CR:
|
|
|
933 case LF:
|
|
|
934 case '\t':
|
|
|
935 state = ssi_preparam_state;
|
|
|
936 break;
|
|
|
937
|
|
|
938 case '-':
|
|
|
939 state = ssi_comment_end0_state;
|
|
|
940 break;
|
|
|
941
|
|
|
942 default:
|
|
|
943 ctx->command.data[ctx->command.len++] = ch;
|
|
|
944
|
|
|
945 if (ctx->command.len == NGX_HTTP_SSI_COMMAND_LEN) {
|
|
|
946 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
947 "the \"%V\" SSI command is too long",
|
|
|
948 &ctx->command);
|
|
|
949
|
|
|
950 state = ssi_error_state;
|
|
|
951 break;
|
|
|
952 }
|
|
|
953 }
|
|
|
954
|
|
|
955 break;
|
|
|
956
|
|
|
957 case ssi_preparam_state:
|
|
|
958 switch (ch) {
|
|
|
959 case ' ':
|
|
|
960 case CR:
|
|
|
961 case LF:
|
|
|
962 case '\t':
|
|
|
963 break;
|
|
|
964
|
|
|
965 case '-':
|
|
|
966 state = ssi_comment_end0_state;
|
|
|
967 break;
|
|
|
968
|
|
|
969 default:
|
|
48
|
970 ctx->param = ngx_array_push(&ctx->params);
|
|
|
971 if (ctx->param == NULL) {
|
|
46
|
972 return NGX_ERROR;
|
|
|
973 }
|
|
|
974
|
|
|
975 ctx->param->key.len = 1;
|
|
|
976 ctx->param->key.data = ngx_palloc(r->pool,
|
|
|
977 NGX_HTTP_SSI_PARAM_LEN + 1);
|
|
|
978 if (ctx->param->key.data == NULL) {
|
|
|
979 return NGX_ERROR;
|
|
|
980 }
|
|
|
981
|
|
|
982 ctx->param->key.data[0] = ch;
|
|
|
983
|
|
|
984 ctx->param->value.len = 0;
|
|
|
985 ctx->param->value.data = ngx_palloc(r->pool,
|
|
|
986 ctx->value_len + 1);
|
|
|
987 if (ctx->param->value.data == NULL) {
|
|
|
988 return NGX_ERROR;
|
|
|
989 }
|
|
|
990
|
|
|
991 state = ssi_param_state;
|
|
|
992 break;
|
|
|
993 }
|
|
|
994
|
|
|
995 break;
|
|
|
996
|
|
|
997 case ssi_param_state:
|
|
|
998 switch (ch) {
|
|
|
999 case ' ':
|
|
|
1000 case CR:
|
|
|
1001 case LF:
|
|
|
1002 case '\t':
|
|
|
1003 state = ssi_preequal_state;
|
|
|
1004 break;
|
|
|
1005
|
|
|
1006 case '=':
|
|
|
1007 state = ssi_prevalue_state;
|
|
|
1008 break;
|
|
|
1009
|
|
|
1010 case '-':
|
|
|
1011 state = ssi_error_end0_state;
|
|
|
1012
|
|
|
1013 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
|
1014 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1015 "invalid \"%V\" parameter in \"%V\" SSI command",
|
|
|
1016 &ctx->param->key, &ctx->command);
|
|
|
1017 break;
|
|
|
1018
|
|
|
1019 default:
|
|
|
1020 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
|
1021
|
|
|
1022 if (ctx->param->key.len == NGX_HTTP_SSI_PARAM_LEN) {
|
|
|
1023 state = ssi_error_state;
|
|
|
1024 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1025 "too long \"%V\" parameter in "
|
|
|
1026 "\"%V\" SSI command",
|
|
|
1027 &ctx->param->key, &ctx->command);
|
|
|
1028 break;
|
|
|
1029 }
|
|
|
1030 }
|
|
|
1031
|
|
|
1032 break;
|
|
|
1033
|
|
|
1034 case ssi_preequal_state:
|
|
|
1035 switch (ch) {
|
|
|
1036 case ' ':
|
|
|
1037 case CR:
|
|
|
1038 case LF:
|
|
|
1039 case '\t':
|
|
|
1040 break;
|
|
|
1041
|
|
|
1042 case '=':
|
|
|
1043 state = ssi_prevalue_state;
|
|
|
1044 break;
|
|
|
1045
|
|
|
1046 default:
|
|
|
1047 if (ch == '-') {
|
|
|
1048 state = ssi_error_end0_state;
|
|
|
1049 } else {
|
|
|
1050 state = ssi_error_state;
|
|
|
1051 }
|
|
|
1052
|
|
|
1053 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1054 "unexpected \"%c\" symbol after \"%V\" "
|
|
|
1055 "parameter in \"%V\" SSI command",
|
|
|
1056 ch, &ctx->param->key, &ctx->command);
|
|
|
1057 break;
|
|
|
1058 }
|
|
|
1059
|
|
|
1060 break;
|
|
|
1061
|
|
|
1062 case ssi_prevalue_state:
|
|
|
1063 switch (ch) {
|
|
|
1064 case ' ':
|
|
|
1065 case CR:
|
|
|
1066 case LF:
|
|
|
1067 case '\t':
|
|
|
1068 break;
|
|
|
1069
|
|
|
1070 case '"':
|
|
|
1071 state = ssi_double_quoted_value_state;
|
|
|
1072 break;
|
|
|
1073
|
|
|
1074 case '\'':
|
|
|
1075 state = ssi_quoted_value_state;
|
|
|
1076 break;
|
|
|
1077
|
|
|
1078 default:
|
|
|
1079 if (ch == '-') {
|
|
|
1080 state = ssi_error_end0_state;
|
|
|
1081 } else {
|
|
|
1082 state = ssi_error_state;
|
|
|
1083 }
|
|
|
1084
|
|
|
1085 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1086 "unexpected \"%c\" symbol before value of "
|
|
|
1087 "\"%V\" parameter in \"%V\" SSI command",
|
|
|
1088 ch, &ctx->param->key, &ctx->command);
|
|
|
1089 break;
|
|
|
1090 }
|
|
|
1091
|
|
|
1092 break;
|
|
|
1093
|
|
|
1094 case ssi_double_quoted_value_state:
|
|
|
1095 switch (ch) {
|
|
|
1096 case '\\':
|
|
|
1097 ctx->saved_state = ssi_double_quoted_value_state;
|
|
|
1098 state = ssi_quoted_symbol_state;
|
|
|
1099 break;
|
|
|
1100
|
|
|
1101 case '"':
|
|
|
1102 state = ssi_postparam_state;
|
|
|
1103 break;
|
|
|
1104
|
|
|
1105 default:
|
|
|
1106 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
|
1107
|
|
|
1108 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1109 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1110 "too long \"%V\" value of \"%V\" parameter "
|
|
|
1111 "in \"%V\" SSI command",
|
|
|
1112 &ctx->param->value, &ctx->param->key,
|
|
|
1113 &ctx->command);
|
|
|
1114 state = ssi_error_state;
|
|
|
1115 break;
|
|
|
1116 }
|
|
|
1117 }
|
|
|
1118
|
|
|
1119 break;
|
|
|
1120
|
|
|
1121 case ssi_quoted_value_state:
|
|
|
1122 switch (ch) {
|
|
|
1123 case '\\':
|
|
|
1124 ctx->saved_state = ssi_quoted_value_state;
|
|
|
1125 state = ssi_quoted_symbol_state;
|
|
|
1126 break;
|
|
|
1127
|
|
|
1128 case '\'':
|
|
|
1129 state = ssi_postparam_state;
|
|
|
1130 break;
|
|
|
1131
|
|
|
1132 default:
|
|
|
1133 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
|
1134
|
|
|
1135 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1136 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1137 "too long \"%V\" value of \"%V\" parameter "
|
|
|
1138 "in \"%V\" SSI command",
|
|
|
1139 &ctx->param->value, &ctx->param->key,
|
|
|
1140 &ctx->command);
|
|
|
1141 state = ssi_error_state;
|
|
|
1142 break;
|
|
|
1143 }
|
|
|
1144 }
|
|
|
1145
|
|
|
1146 break;
|
|
|
1147
|
|
|
1148 case ssi_quoted_symbol_state:
|
|
|
1149 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
|
1150
|
|
|
1151 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1152 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1153 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1154 "too long \"%V\" value of \"%V\" parameter "
|
|
|
1155 "in \"%V\" SSI command",
|
|
|
1156 &ctx->param->value, &ctx->param->key,
|
|
|
1157 &ctx->command);
|
|
|
1158 state = ssi_error_state;
|
|
|
1159 break;
|
|
|
1160 }
|
|
|
1161 }
|
|
|
1162
|
|
|
1163 state = ctx->saved_state;
|
|
|
1164 break;
|
|
|
1165
|
|
|
1166 case ssi_postparam_state:
|
|
|
1167 switch (ch) {
|
|
|
1168 case ' ':
|
|
|
1169 case CR:
|
|
|
1170 case LF:
|
|
|
1171 case '\t':
|
|
|
1172 state = ssi_preparam_state;
|
|
|
1173 break;
|
|
|
1174
|
|
|
1175 case '-':
|
|
|
1176 state = ssi_comment_end0_state;
|
|
|
1177 break;
|
|
|
1178
|
|
|
1179 default:
|
|
|
1180 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1181 "unexpected \"%c\" symbol after \"%V\" value "
|
|
|
1182 "of \"%V\" parameter in \"%V\" SSI command",
|
|
|
1183 ch, &ctx->param->value, &ctx->param->key,
|
|
|
1184 &ctx->command);
|
|
|
1185 state = ssi_error_state;
|
|
|
1186 break;
|
|
|
1187 }
|
|
|
1188
|
|
|
1189 break;
|
|
|
1190
|
|
|
1191 case ssi_comment_end0_state:
|
|
|
1192 switch (ch) {
|
|
|
1193 case '-':
|
|
|
1194 state = ssi_comment_end1_state;
|
|
|
1195 break;
|
|
|
1196
|
|
|
1197 default:
|
|
|
1198 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1199 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1200 ch, &ctx->command);
|
|
|
1201 state = ssi_error_state;
|
|
|
1202 break;
|
|
|
1203 }
|
|
|
1204
|
|
|
1205 break;
|
|
|
1206
|
|
|
1207 case ssi_comment_end1_state:
|
|
|
1208 switch (ch) {
|
|
|
1209 case '>':
|
|
|
1210 ctx->state = ssi_start_state;
|
|
|
1211 ctx->pos = p + 1;
|
|
|
1212 ctx->looked = looked;
|
|
|
1213 ctx->copy_end = copy_end;
|
|
|
1214
|
|
|
1215 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1216 ctx->copy_start = ctx->buf->pos;
|
|
|
1217 }
|
|
|
1218
|
|
|
1219 return NGX_OK;
|
|
|
1220
|
|
|
1221 default:
|
|
|
1222 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1223 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1224 ch, &ctx->command);
|
|
|
1225 state = ssi_error_state;
|
|
|
1226 break;
|
|
|
1227 }
|
|
|
1228
|
|
|
1229 break;
|
|
|
1230
|
|
|
1231 case ssi_error_state:
|
|
|
1232 switch (ch) {
|
|
|
1233 case '-':
|
|
|
1234 state = ssi_error_end0_state;
|
|
|
1235 break;
|
|
|
1236
|
|
|
1237 default:
|
|
|
1238 break;
|
|
|
1239 }
|
|
|
1240
|
|
|
1241 break;
|
|
|
1242
|
|
|
1243 case ssi_error_end0_state:
|
|
|
1244 switch (ch) {
|
|
|
1245 case '-':
|
|
|
1246 state = ssi_error_end1_state;
|
|
|
1247 break;
|
|
|
1248
|
|
|
1249 default:
|
|
|
1250 state = ssi_error_state;
|
|
|
1251 break;
|
|
|
1252 }
|
|
|
1253
|
|
|
1254 break;
|
|
|
1255
|
|
|
1256 case ssi_error_end1_state:
|
|
|
1257 switch (ch) {
|
|
|
1258 case '>':
|
|
|
1259 ctx->state = ssi_start_state;
|
|
|
1260 ctx->pos = p + 1;
|
|
|
1261 ctx->looked = looked;
|
|
|
1262 ctx->copy_end = copy_end;
|
|
|
1263
|
|
|
1264 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1265 ctx->copy_start = ctx->buf->pos;
|
|
|
1266 }
|
|
|
1267
|
|
|
1268 return NGX_HTTP_SSI_ERROR;
|
|
|
1269
|
|
|
1270 default:
|
|
|
1271 state = ssi_error_state;
|
|
|
1272 break;
|
|
|
1273 }
|
|
|
1274
|
|
|
1275 break;
|
|
|
1276 }
|
|
|
1277 }
|
|
|
1278
|
|
|
1279 ctx->state = state;
|
|
|
1280 ctx->pos = p;
|
|
|
1281 ctx->looked = looked;
|
|
|
1282
|
|
|
1283 ctx->copy_end = (state == ssi_start_state) ? p : copy_end;
|
|
|
1284
|
|
|
1285 if (ctx->copy_start == NULL && ctx->copy_end) {
|
|
|
1286 ctx->copy_start = ctx->buf->pos;
|
|
|
1287 }
|
|
|
1288
|
|
|
1289 return NGX_AGAIN;
|
|
|
1290 }
|
|
|
1291
|
|
|
1292
|
|
|
1293 static ngx_int_t
|
|
|
1294 ngx_http_ssi_echo(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1295 ngx_str_t **params)
|
|
|
1296 {
|
|
50
|
1297 ngx_uint_t i;
|
|
48
|
1298 ngx_buf_t *b;
|
|
|
1299 ngx_str_t *var, *value;
|
|
|
1300 ngx_chain_t *cl;
|
|
50
|
1301 ngx_http_variable_value_t *vv;
|
|
46
|
1302
|
|
|
1303 var = params[NGX_HTTP_SSI_ECHO_VAR];
|
|
|
1304
|
|
50
|
1305 for (i = 0; i < var->len; i++) {
|
|
58
|
1306 var->data[i] = ngx_tolower(var->data[i]);
|
|
50
|
1307 }
|
|
46
|
1308
|
|
50
|
1309 vv = ngx_http_get_variable(r, var);
|
|
|
1310
|
|
|
1311 if (vv == NULL) {
|
|
46
|
1312 return NGX_HTTP_SSI_ERROR;
|
|
|
1313 }
|
|
|
1314
|
|
58
|
1315 if (vv == NGX_HTTP_VAR_NOT_FOUND) {
|
|
48
|
1316 value = params[NGX_HTTP_SSI_ECHO_DEFAULT];
|
|
|
1317
|
|
|
1318 if (value == NULL) {
|
|
|
1319 value = &ngx_http_ssi_none;
|
|
|
1320
|
|
|
1321 } else if (value->len == 0) {
|
|
|
1322 return NGX_OK;
|
|
|
1323 }
|
|
|
1324
|
|
|
1325 } else {
|
|
50
|
1326 value = &vv->text;
|
|
48
|
1327
|
|
|
1328 if (value->len == 0) {
|
|
|
1329 return NGX_OK;
|
|
|
1330 }
|
|
|
1331 }
|
|
|
1332
|
|
|
1333 b = ngx_calloc_buf(r->pool);
|
|
|
1334 if (b == NULL) {
|
|
|
1335 return NGX_HTTP_SSI_ERROR;
|
|
|
1336 }
|
|
|
1337
|
|
|
1338 cl = ngx_alloc_chain_link(r->pool);
|
|
|
1339 if (cl == NULL) {
|
|
46
|
1340 return NGX_HTTP_SSI_ERROR;
|
|
|
1341 }
|
|
|
1342
|
|
|
1343 b->memory = 1;
|
|
|
1344 b->pos = value->data;
|
|
|
1345 b->last = value->data + value->len;
|
|
|
1346
|
|
|
1347 cl->buf = b;
|
|
|
1348 cl->next = NULL;
|
|
|
1349 *ctx->last_out = cl;
|
|
|
1350 ctx->last_out = &cl->next;
|
|
|
1351
|
|
|
1352 return NGX_OK;
|
|
|
1353 }
|
|
|
1354
|
|
|
1355
|
|
58
|
1356 static ngx_int_t
|
|
|
1357 ngx_http_ssi_config(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1358 ngx_str_t **params)
|
|
|
1359 {
|
|
|
1360 ngx_str_t *value;
|
|
|
1361
|
|
|
1362 value = params[NGX_HTTP_SSI_CONFIG_TIMEFMT];
|
|
|
1363
|
|
|
1364 if (value) {
|
|
|
1365 ctx->timefmt = *value;
|
|
|
1366 }
|
|
|
1367
|
|
|
1368 return NGX_OK;
|
|
|
1369 }
|
|
|
1370
|
|
|
1371
|
|
|
1372 static ngx_int_t
|
|
|
1373 ngx_http_ssi_include(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1374 ngx_str_t **params)
|
|
|
1375 {
|
|
|
1376 u_char ch, *p, **value;
|
|
|
1377 size_t *size, len;
|
|
|
1378 ngx_uint_t i, j, n, bracket;
|
|
|
1379 ngx_str_t uri, args, name;
|
|
|
1380 ngx_array_t lengths, values;
|
|
|
1381 ngx_http_variable_value_t *vv;
|
|
|
1382
|
|
|
1383 /* TODO: file, virtual vs file */
|
|
|
1384
|
|
|
1385 uri = *params[NGX_HTTP_SSI_INCLUDE_VIRTUAL];
|
|
|
1386 args.len = 0;
|
|
|
1387 args.data = NULL;
|
|
|
1388
|
|
|
1389 n = ngx_http_script_variables_count(&uri);
|
|
|
1390
|
|
|
1391 if (n > 0) {
|
|
|
1392
|
|
|
1393 if (ngx_array_init(&lengths, r->pool, 8, sizeof(size_t *)) != NGX_OK) {
|
|
|
1394 return NGX_HTTP_SSI_ERROR;
|
|
|
1395 }
|
|
|
1396
|
|
|
1397 if (ngx_array_init(&values, r->pool, 8, sizeof(u_char *)) != NGX_OK) {
|
|
|
1398 return NGX_HTTP_SSI_ERROR;
|
|
|
1399 }
|
|
|
1400
|
|
|
1401 len = 0;
|
|
|
1402
|
|
|
1403 for (i = 0; i < uri.len; /* void */ ) {
|
|
|
1404
|
|
|
1405 name.len = 0;
|
|
|
1406
|
|
|
1407 if (uri.data[i] == '$') {
|
|
|
1408
|
|
|
1409 if (++i == uri.len) {
|
|
|
1410 goto invalid_variable;
|
|
|
1411 }
|
|
|
1412
|
|
|
1413 if (uri.data[i] == '{') {
|
|
|
1414 bracket = 1;
|
|
|
1415
|
|
|
1416 if (++i == uri.len) {
|
|
|
1417 goto invalid_variable;
|
|
|
1418 }
|
|
|
1419
|
|
|
1420 name.data = &uri.data[i];
|
|
|
1421
|
|
|
1422 } else {
|
|
|
1423 bracket = 0;
|
|
|
1424 name.data = &uri.data[i];
|
|
|
1425 }
|
|
|
1426
|
|
|
1427 for ( /* void */ ; i < uri.len; i++, name.len++) {
|
|
|
1428 ch = uri.data[i];
|
|
|
1429
|
|
|
1430 if (ch == '}' && bracket) {
|
|
|
1431 i++;
|
|
|
1432 bracket = 0;
|
|
|
1433 break;
|
|
|
1434 }
|
|
|
1435
|
|
|
1436 if ((ch >= 'A' && ch <= 'Z')
|
|
|
1437 || (ch >= 'a' && ch <= 'z')
|
|
|
1438 || (ch >= '0' && ch <= '9')
|
|
|
1439 || ch == '_')
|
|
|
1440 {
|
|
|
1441 continue;
|
|
|
1442 }
|
|
|
1443
|
|
|
1444 break;
|
|
|
1445 }
|
|
|
1446
|
|
|
1447 if (bracket) {
|
|
|
1448 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1449 "the closing bracket in \"%V\" "
|
|
|
1450 "variable is missing", &name);
|
|
|
1451 return NGX_HTTP_SSI_ERROR;
|
|
|
1452 }
|
|
|
1453
|
|
|
1454 if (name.len == 0) {
|
|
|
1455 goto invalid_variable;
|
|
|
1456 }
|
|
|
1457
|
|
|
1458 for (j = 0; j < name.len; j++) {
|
|
|
1459 name.data[j] = ngx_tolower(name.data[j]);
|
|
|
1460 }
|
|
|
1461
|
|
|
1462 vv = ngx_http_get_variable(r, &name);
|
|
|
1463
|
|
|
1464 if (vv == NULL) {
|
|
|
1465 return NGX_HTTP_SSI_ERROR;
|
|
|
1466 }
|
|
|
1467
|
|
|
1468 if (vv == NGX_HTTP_VAR_NOT_FOUND) {
|
|
|
1469 continue;
|
|
|
1470 }
|
|
|
1471
|
|
|
1472 name = vv->text;
|
|
|
1473
|
|
|
1474 } else {
|
|
|
1475 name.data = &uri.data[i];
|
|
|
1476
|
|
|
1477 while (i < uri.len && uri.data[i] != '$') {
|
|
|
1478 i++;
|
|
|
1479 name.len++;
|
|
|
1480 }
|
|
|
1481 }
|
|
|
1482
|
|
|
1483 len += name.len;
|
|
|
1484
|
|
|
1485 size = ngx_array_push(&lengths);
|
|
|
1486 if (size == NULL) {
|
|
|
1487 return NGX_HTTP_SSI_ERROR;
|
|
|
1488 }
|
|
|
1489
|
|
|
1490 *size = name.len;
|
|
|
1491
|
|
|
1492 value = ngx_array_push(&values);
|
|
|
1493 if (value == NULL) {
|
|
|
1494 return NGX_HTTP_SSI_ERROR;
|
|
|
1495 }
|
|
|
1496
|
|
|
1497 *value = name.data;
|
|
|
1498 }
|
|
|
1499
|
|
|
1500 p = ngx_palloc(r->pool, len);
|
|
|
1501 if (p == NULL) {
|
|
|
1502 return NGX_HTTP_SSI_ERROR;
|
|
|
1503 }
|
|
|
1504
|
|
|
1505 uri.len = len;
|
|
|
1506 uri.data = p;
|
|
|
1507
|
|
|
1508 size = lengths.elts;
|
|
|
1509 value = values.elts;
|
|
|
1510
|
|
|
1511 for (i = 0; i < values.nelts; i++) {
|
|
|
1512 p = ngx_cpymem(p, value[i], size[i]);
|
|
|
1513 }
|
|
|
1514 }
|
|
|
1515
|
|
|
1516 for (i = 0; i < uri.len; i++) {
|
|
|
1517 if (uri.data[i] == '?') {
|
|
|
1518 args.len = uri.len - i - 1;
|
|
|
1519 args.data = &uri.data[i + 1];
|
|
|
1520 uri.len -= args.len + 1;
|
|
|
1521
|
|
|
1522 break;
|
|
|
1523 }
|
|
|
1524 }
|
|
|
1525
|
|
|
1526 if (ngx_http_subrequest(r, &uri, &args) != NGX_OK) {
|
|
|
1527 return NGX_HTTP_SSI_ERROR;
|
|
|
1528 }
|
|
|
1529
|
|
|
1530 return NGX_OK;
|
|
|
1531
|
|
|
1532 invalid_variable:
|
|
|
1533
|
|
|
1534 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1535 "invalid variable name in \"%V\"", &uri);
|
|
|
1536
|
|
|
1537 return NGX_ERROR;
|
|
|
1538 }
|
|
|
1539
|
|
|
1540
|
|
|
1541 static ngx_int_t
|
|
|
1542 ngx_http_ssi_if(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1543 ngx_str_t **params)
|
|
|
1544 {
|
|
|
1545 ngx_str_t *expr, var;
|
|
|
1546 ngx_uint_t i;
|
|
|
1547 ngx_http_variable_value_t *vv;
|
|
|
1548
|
|
|
1549 expr = params[NGX_HTTP_SSI_IF_EXPR];
|
|
|
1550
|
|
|
1551 if (expr->data[0] != '$') {
|
|
|
1552 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1553 "invalid variable name in \"%V\"", expr);
|
|
|
1554 return NGX_HTTP_SSI_ERROR;
|
|
|
1555 }
|
|
|
1556
|
|
|
1557 var.len = expr->len - 1;
|
|
|
1558 var.data = expr->data + 1;
|
|
|
1559
|
|
|
1560 for (i = 0; i < var.len; i++) {
|
|
|
1561 var.data[i] = ngx_tolower(var.data[i]);
|
|
|
1562 }
|
|
|
1563
|
|
|
1564 vv = ngx_http_get_variable(r, &var);
|
|
|
1565
|
|
|
1566 if (vv == NULL) {
|
|
|
1567 return NGX_HTTP_SSI_ERROR;
|
|
|
1568 }
|
|
|
1569
|
|
|
1570 if (vv != NGX_HTTP_VAR_NOT_FOUND && vv->text.len != 0) {
|
|
|
1571 ctx->output = 1;
|
|
|
1572
|
|
|
1573 } else {
|
|
|
1574 ctx->output = 0;
|
|
|
1575 }
|
|
|
1576
|
|
|
1577 return NGX_OK;
|
|
|
1578 }
|
|
|
1579
|
|
|
1580
|
|
|
1581 static ngx_int_t
|
|
|
1582 ngx_http_ssi_else(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1583 ngx_str_t **params)
|
|
|
1584 {
|
|
|
1585 ctx->output = !ctx->output;
|
|
|
1586
|
|
|
1587 return NGX_OK;
|
|
|
1588 }
|
|
|
1589
|
|
|
1590
|
|
|
1591 static ngx_int_t
|
|
|
1592 ngx_http_ssi_endif(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1593 ngx_str_t **params)
|
|
|
1594 {
|
|
|
1595 ctx->output = 1;
|
|
|
1596
|
|
|
1597 return NGX_OK;
|
|
|
1598 }
|
|
|
1599
|
|
|
1600
|
|
|
1601 static ngx_http_variable_value_t *
|
|
|
1602 ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r, uintptr_t gmt)
|
|
|
1603 {
|
|
|
1604 ngx_http_ssi_ctx_t *ctx;
|
|
|
1605 ngx_http_variable_value_t *vv;
|
|
|
1606 struct tm tm;
|
|
|
1607 char buf[NGX_HTTP_SSI_DATE_LEN];
|
|
|
1608
|
|
|
1609 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t));
|
|
|
1610 if (vv == NULL) {
|
|
|
1611 return NULL;
|
|
|
1612 }
|
|
|
1613
|
|
|
1614 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
1615
|
|
|
1616 if (ctx->timefmt.len == sizeof("%s") - 1
|
|
|
1617 && ctx->timefmt.data[0] == '%' && ctx->timefmt.data[1] == 's')
|
|
|
1618 {
|
|
|
1619 vv->value = ngx_time() + (gmt ? 0 : ngx_gmtoff);
|
|
|
1620
|
|
|
1621 vv->text.data = ngx_palloc(r->pool, NGX_TIME_T_LEN);
|
|
|
1622 if (vv->text.data == NULL) {
|
|
|
1623 return NULL;
|
|
|
1624 }
|
|
|
1625
|
|
|
1626 vv->text.len = ngx_sprintf(vv->text.data, "%T", vv->value)
|
|
|
1627 - vv->text.data;
|
|
|
1628 return vv;
|
|
|
1629 }
|
|
|
1630
|
|
|
1631 if (gmt) {
|
|
|
1632 ngx_libc_gmtime(&tm);
|
|
|
1633 } else {
|
|
|
1634 ngx_libc_localtime(&tm);
|
|
|
1635 }
|
|
|
1636
|
|
|
1637 vv->value = ngx_time() + (gmt ? 0 : ngx_gmtoff);
|
|
|
1638
|
|
|
1639 vv->text.len = strftime(buf, NGX_HTTP_SSI_DATE_LEN,
|
|
|
1640 (char *) ctx->timefmt.data, &tm);
|
|
|
1641 if (vv->text.len == 0) {
|
|
|
1642 return NULL;
|
|
|
1643 }
|
|
|
1644
|
|
|
1645 vv->text.data = ngx_palloc(r->pool, vv->text.len);
|
|
|
1646 if (vv->text.data == NULL) {
|
|
|
1647 return NULL;
|
|
|
1648 }
|
|
|
1649
|
|
|
1650 ngx_memcpy(vv->text.data, buf, vv->text.len);
|
|
|
1651
|
|
|
1652 return vv;
|
|
|
1653 }
|
|
|
1654
|
|
|
1655
|
|
76
|
1656 static char *
|
|
|
1657 ngx_http_ssi_types(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1658 {
|
|
|
1659 ngx_http_ssi_conf_t *scf = conf;
|
|
|
1660
|
|
|
1661 ngx_str_t *value, *type;
|
|
|
1662 ngx_uint_t i;
|
|
|
1663
|
|
|
1664 if (scf->types == NULL) {
|
|
|
1665 scf->types = ngx_array_create(cf->pool, 4, sizeof(ngx_str_t));
|
|
|
1666 if (scf->types == NULL) {
|
|
|
1667 return NGX_CONF_ERROR;
|
|
|
1668 }
|
|
|
1669
|
|
|
1670 type = ngx_array_push(scf->types);
|
|
|
1671 if (type == NULL) {
|
|
|
1672 return NGX_CONF_ERROR;
|
|
|
1673 }
|
|
|
1674
|
|
|
1675 type->len = sizeof("text/html") - 1;
|
|
|
1676 type->data = (u_char *) "text/html";
|
|
|
1677 }
|
|
|
1678
|
|
|
1679 value = cf->args->elts;
|
|
|
1680
|
|
|
1681 for (i = 1; i < cf->args->nelts; i++) {
|
|
|
1682
|
|
|
1683 if (ngx_strcmp(value[i].data, "text/html") == 0) {
|
|
|
1684 continue;
|
|
|
1685 }
|
|
|
1686
|
|
|
1687 type = ngx_array_push(scf->types);
|
|
|
1688 if (type == NULL) {
|
|
|
1689 return NGX_CONF_ERROR;
|
|
|
1690 }
|
|
|
1691
|
|
|
1692 type->len = value[i].len;
|
|
|
1693
|
|
|
1694 type->data = ngx_palloc(cf->pool, type->len + 1);
|
|
|
1695 if (type->data == NULL) {
|
|
|
1696 return NGX_CONF_ERROR;
|
|
|
1697 }
|
|
|
1698
|
|
|
1699 ngx_cpystrn(type->data, value[i].data, type->len + 1);
|
|
|
1700 }
|
|
|
1701
|
|
|
1702 return NGX_CONF_OK;
|
|
|
1703 }
|
|
|
1704
|
|
|
1705
|
|
58
|
1706 static ngx_int_t
|
|
|
1707 ngx_http_ssi_add_variables(ngx_conf_t *cf)
|
|
|
1708 {
|
|
|
1709 ngx_http_variable_t *var, *v;
|
|
|
1710
|
|
|
1711 for (v = ngx_http_ssi_vars; v->name.len; v++) {
|
|
|
1712 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
1713 if (var == NULL) {
|
|
|
1714 return NGX_ERROR;
|
|
|
1715 }
|
|
|
1716
|
|
|
1717 var->handler = v->handler;
|
|
|
1718 var->data = v->data;
|
|
|
1719 }
|
|
|
1720
|
|
|
1721 return NGX_OK;
|
|
|
1722 }
|
|
|
1723
|
|
|
1724
|
|
46
|
1725 static void *
|
|
|
1726 ngx_http_ssi_create_conf(ngx_conf_t *cf)
|
|
|
1727 {
|
|
|
1728 ngx_http_ssi_conf_t *conf;
|
|
|
1729
|
|
48
|
1730 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_conf_t));
|
|
|
1731 if (conf == NULL) {
|
|
46
|
1732 return NGX_CONF_ERROR;
|
|
|
1733 }
|
|
|
1734
|
|
76
|
1735 /*
|
|
|
1736 * set by ngx_pcalloc():
|
|
|
1737 *
|
|
|
1738 * conf->types = NULL;
|
|
|
1739 */
|
|
|
1740
|
|
46
|
1741 conf->enable = NGX_CONF_UNSET;
|
|
|
1742 conf->silent_errors = NGX_CONF_UNSET;
|
|
58
|
1743 conf->ignore_recycled_buffers = NGX_CONF_UNSET;
|
|
46
|
1744
|
|
|
1745 conf->min_file_chunk = NGX_CONF_UNSET_SIZE;
|
|
|
1746 conf->value_len = NGX_CONF_UNSET_SIZE;
|
|
|
1747
|
|
|
1748 return conf;
|
|
|
1749 }
|
|
|
1750
|
|
|
1751
|
|
|
1752 static char *
|
|
|
1753 ngx_http_ssi_merge_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1754 {
|
|
|
1755 ngx_http_ssi_conf_t *prev = parent;
|
|
|
1756 ngx_http_ssi_conf_t *conf = child;
|
|
|
1757
|
|
76
|
1758 ngx_str_t *type;
|
|
|
1759
|
|
46
|
1760 ngx_conf_merge_value(conf->enable, prev->enable, 0);
|
|
|
1761 ngx_conf_merge_value(conf->silent_errors, prev->silent_errors, 0);
|
|
58
|
1762 ngx_conf_merge_value(conf->ignore_recycled_buffers,
|
|
|
1763 prev->ignore_recycled_buffers, 0);
|
|
46
|
1764
|
|
|
1765 ngx_conf_merge_size_value(conf->min_file_chunk, prev->min_file_chunk, 1024);
|
|
|
1766 ngx_conf_merge_size_value(conf->value_len, prev->value_len, 256);
|
|
|
1767
|
|
76
|
1768 if (conf->types == NULL) {
|
|
|
1769 if (prev->types == NULL) {
|
|
|
1770 conf->types = ngx_array_create(cf->pool, 1, sizeof(ngx_str_t));
|
|
|
1771 if (conf->types == NULL) {
|
|
|
1772 return NGX_CONF_ERROR;
|
|
|
1773 }
|
|
|
1774
|
|
|
1775 type = ngx_array_push(conf->types);
|
|
|
1776 if (type == NULL) {
|
|
|
1777 return NGX_CONF_ERROR;
|
|
|
1778 }
|
|
|
1779
|
|
|
1780 type->len = sizeof("text/html") - 1;
|
|
|
1781 type->data = (u_char *) "text/html";
|
|
|
1782
|
|
|
1783 } else {
|
|
|
1784 conf->types = prev->types;
|
|
|
1785 }
|
|
|
1786 }
|
|
|
1787
|
|
46
|
1788 return NGX_CONF_OK;
|
|
|
1789 }
|
|
|
1790
|
|
|
1791
|
|
|
1792 static ngx_int_t
|
|
|
1793 ngx_http_ssi_filter_init(ngx_cycle_t *cycle)
|
|
|
1794 {
|
|
|
1795 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
|
1796 ngx_http_top_header_filter = ngx_http_ssi_header_filter;
|
|
|
1797
|
|
|
1798 ngx_http_next_body_filter = ngx_http_top_body_filter;
|
|
|
1799 ngx_http_top_body_filter = ngx_http_ssi_body_filter;
|
|
|
1800
|
|
|
1801 return NGX_OK;
|
|
|
1802 }
|
