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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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58
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16
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46
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17
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18 typedef struct {
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146
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19 ngx_flag_t enable;
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20 ngx_flag_t silent_errors;
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21 ngx_flag_t ignore_recycled_buffers;
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22
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23 ngx_array_t *types; /* array of ngx_str_t */
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24
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25 size_t min_file_chunk;
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26 size_t value_len;
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27 } ngx_http_ssi_loc_conf_t;
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102
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28
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29
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30 typedef struct {
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146
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31 ngx_str_t name;
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160
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32 ngx_uint_t key;
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146
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33 ngx_str_t value;
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34 } ngx_http_ssi_var_t;
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46
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35
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36
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37 typedef enum {
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38 ssi_start_state = 0,
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39 ssi_tag_state,
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40 ssi_comment0_state,
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41 ssi_comment1_state,
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42 ssi_sharp_state,
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43 ssi_precommand_state,
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44 ssi_command_state,
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45 ssi_preparam_state,
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46 ssi_param_state,
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47 ssi_preequal_state,
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48 ssi_prevalue_state,
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49 ssi_double_quoted_value_state,
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50 ssi_quoted_value_state,
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51 ssi_quoted_symbol_state,
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52 ssi_postparam_state,
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53 ssi_comment_end0_state,
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54 ssi_comment_end1_state,
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55 ssi_error_state,
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56 ssi_error_end0_state,
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57 ssi_error_end1_state
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58 } ngx_http_ssi_state_e;
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59
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60
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58
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61 static ngx_int_t ngx_http_ssi_output(ngx_http_request_t *r,
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62 ngx_http_ssi_ctx_t *ctx);
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46
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63 static ngx_int_t ngx_http_ssi_parse(ngx_http_request_t *r,
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64 ngx_http_ssi_ctx_t *ctx);
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102
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65 static ngx_str_t *ngx_http_ssi_get_variable(ngx_http_request_t *r,
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160
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66 ngx_str_t *name, ngx_uint_t key);
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102
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67 static ngx_int_t ngx_http_ssi_evaluate_string(ngx_http_request_t *r,
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68 ngx_http_ssi_ctx_t *ctx, ngx_str_t *text, ngx_uint_t flags);
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69
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70 static ngx_int_t ngx_http_ssi_include(ngx_http_request_t *r,
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71 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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46
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72 static ngx_int_t ngx_http_ssi_echo(ngx_http_request_t *r,
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73 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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58
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74 static ngx_int_t ngx_http_ssi_config(ngx_http_request_t *r,
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75 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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102
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76 static ngx_int_t ngx_http_ssi_set(ngx_http_request_t *r,
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58
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77 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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78 static ngx_int_t ngx_http_ssi_if(ngx_http_request_t *r,
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79 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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80 static ngx_int_t ngx_http_ssi_else(ngx_http_request_t *r,
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81 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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82 static ngx_int_t ngx_http_ssi_endif(ngx_http_request_t *r,
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83 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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46
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84
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122
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85 static ngx_int_t ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
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86 ngx_http_variable_value_t *v, uintptr_t gmt);
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58
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87
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76
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88 static char *ngx_http_ssi_types(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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89
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146
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90 static ngx_int_t ngx_http_ssi_preconfiguration(ngx_conf_t *cf);
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91 static void *ngx_http_ssi_create_main_conf(ngx_conf_t *cf);
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92 static char *ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf);
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46
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93 static void *ngx_http_ssi_create_conf(ngx_conf_t *cf);
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94 static char *ngx_http_ssi_merge_conf(ngx_conf_t *cf,
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95 void *parent, void *child);
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96 static ngx_int_t ngx_http_ssi_filter_init(ngx_cycle_t *cycle);
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97
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98
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99 static ngx_command_t ngx_http_ssi_filter_commands[] = {
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100
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101 { ngx_string("ssi"),
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102 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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103 ngx_conf_set_flag_slot,
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104 NGX_HTTP_LOC_CONF_OFFSET,
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146
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105 offsetof(ngx_http_ssi_loc_conf_t, enable),
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106 NULL },
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107
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108 { ngx_string("ssi_silent_errors"),
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109 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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110 ngx_conf_set_flag_slot,
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111 NGX_HTTP_LOC_CONF_OFFSET,
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146
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112 offsetof(ngx_http_ssi_loc_conf_t, silent_errors),
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113 NULL },
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114
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58
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115 { ngx_string("ssi_ignore_recycled_buffers"),
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116 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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117 ngx_conf_set_flag_slot,
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118 NGX_HTTP_LOC_CONF_OFFSET,
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146
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119 offsetof(ngx_http_ssi_loc_conf_t, ignore_recycled_buffers),
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120 NULL },
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121
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46
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122 { ngx_string("ssi_min_file_chunk"),
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123 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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124 ngx_conf_set_size_slot,
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125 NGX_HTTP_LOC_CONF_OFFSET,
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146
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126 offsetof(ngx_http_ssi_loc_conf_t, min_file_chunk),
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127 NULL },
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128
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138
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129 { ngx_string("ssi_value_length"),
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130 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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131 ngx_conf_set_size_slot,
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132 NGX_HTTP_LOC_CONF_OFFSET,
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146
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133 offsetof(ngx_http_ssi_loc_conf_t, value_len),
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138
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134 NULL },
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135
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76
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136 { ngx_string("ssi_types"),
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137 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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138 ngx_http_ssi_types,
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139 NGX_HTTP_LOC_CONF_OFFSET,
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140 0,
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141 NULL },
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142
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46
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143 ngx_null_command
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144 };
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145
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146
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126
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147
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46
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148 static ngx_http_module_t ngx_http_ssi_filter_module_ctx = {
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146
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149 ngx_http_ssi_preconfiguration, /* preconfiguration */
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58
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150 NULL, /* postconfiguration */
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46
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151
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146
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152 ngx_http_ssi_create_main_conf, /* create main configuration */
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153 ngx_http_ssi_init_main_conf, /* init main configuration */
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46
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154
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155 NULL, /* create server configuration */
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156 NULL, /* merge server configuration */
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157
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158 ngx_http_ssi_create_conf, /* create location configuration */
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159 ngx_http_ssi_merge_conf /* merge location configuration */
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126
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160 };
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46
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161
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162
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163 ngx_module_t ngx_http_ssi_filter_module = {
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58
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164 NGX_MODULE_V1,
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46
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165 &ngx_http_ssi_filter_module_ctx, /* module context */
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166 ngx_http_ssi_filter_commands, /* module directives */
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167 NGX_HTTP_MODULE, /* module type */
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90
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168 NULL, /* init master */
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169 ngx_http_ssi_filter_init, /* init module */
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90
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170 NULL, /* init process */
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171 NULL, /* init thread */
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172 NULL, /* exit thread */
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173 NULL, /* exit process */
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174 NULL, /* exit master */
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175 NGX_MODULE_V1_PADDING
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46
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176 };
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177
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178
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118
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179 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
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180 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
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46
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181
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182
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183 static u_char ngx_http_ssi_string[] = "<!--";
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184
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185 static ngx_str_t ngx_http_ssi_none = ngx_string("(none)");
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186
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102
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187 #define NGX_HTTP_SSI_INCLUDE_VIRTUAL 0
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188 #define NGX_HTTP_SSI_INCLUDE_FILE 1
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46
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189
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58
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190 #define NGX_HTTP_SSI_ECHO_VAR 0
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191 #define NGX_HTTP_SSI_ECHO_DEFAULT 1
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192
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96
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193 #define NGX_HTTP_SSI_CONFIG_ERRMSG 0
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194 #define NGX_HTTP_SSI_CONFIG_TIMEFMT 1
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58
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195
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102
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196 #define NGX_HTTP_SSI_SET_VAR 0
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197 #define NGX_HTTP_SSI_SET_VALUE 1
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58
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198
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199 #define NGX_HTTP_SSI_IF_EXPR 0
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200
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46
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201
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102
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202 static ngx_http_ssi_param_t ngx_http_ssi_include_params[] = {
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146
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203 { ngx_string("virtual"), NGX_HTTP_SSI_INCLUDE_VIRTUAL, 0, 0 },
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204 { ngx_string("file"), NGX_HTTP_SSI_INCLUDE_FILE, 0, 0 },
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205 { ngx_null_string, 0, 0, 0 }
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102
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206 };
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207
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208
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46
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209 static ngx_http_ssi_param_t ngx_http_ssi_echo_params[] = {
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146
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210 { ngx_string("var"), NGX_HTTP_SSI_ECHO_VAR, 1, 0 },
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211 { ngx_string("default"), NGX_HTTP_SSI_ECHO_DEFAULT, 0, 0 },
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212 { ngx_null_string, 0, 0, 0 }
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213 };
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214
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58
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215
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216 static ngx_http_ssi_param_t ngx_http_ssi_config_params[] = {
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146
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217 { ngx_string("errmsg"), NGX_HTTP_SSI_CONFIG_ERRMSG, 0, 0 },
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218 { ngx_string("timefmt"), NGX_HTTP_SSI_CONFIG_TIMEFMT, 0, 0 },
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219 { ngx_null_string, 0, 0, 0 }
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58
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220 };
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221
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222
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102
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223 static ngx_http_ssi_param_t ngx_http_ssi_set_params[] = {
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146
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224 { ngx_string("var"), NGX_HTTP_SSI_SET_VAR, 1, 0 },
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225 { ngx_string("value"), NGX_HTTP_SSI_SET_VALUE, 1, 0 },
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226 { ngx_null_string, 0, 0, 0 }
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102
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227 };
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228
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229
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58
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230 static ngx_http_ssi_param_t ngx_http_ssi_if_params[] = {
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146
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231 { ngx_string("expr"), NGX_HTTP_SSI_IF_EXPR, 1, 0 },
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232 { ngx_null_string, 0, 0, 0 }
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58
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233 };
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234
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235
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236 static ngx_http_ssi_param_t ngx_http_ssi_no_params[] = {
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146
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237 { ngx_null_string, 0, 0, 0 }
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58
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238 };
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239
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46
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240
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241 static ngx_http_ssi_command_t ngx_http_ssi_commands[] = {
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102
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242 { ngx_string("include"), ngx_http_ssi_include,
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243 ngx_http_ssi_include_params, 0, 1 },
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58
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244 { ngx_string("echo"), ngx_http_ssi_echo, ngx_http_ssi_echo_params, 0, 0 },
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245 { ngx_string("config"), ngx_http_ssi_config,
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246 ngx_http_ssi_config_params, 0, 0 },
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102
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247 { ngx_string("set"), ngx_http_ssi_set, ngx_http_ssi_set_params, 0, 0 },
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58
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248
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249 { ngx_string("if"), ngx_http_ssi_if, ngx_http_ssi_if_params, 0, 0 },
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250 { ngx_string("else"), ngx_http_ssi_else, ngx_http_ssi_no_params, 1, 0 },
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251 { ngx_string("endif"), ngx_http_ssi_endif, ngx_http_ssi_no_params, 1, 0 },
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252
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253 { ngx_null_string, NULL, NULL, 0, 0 }
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46
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254 };
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255
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256
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58
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257 static ngx_http_variable_t ngx_http_ssi_vars[] = {
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258
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259 { ngx_string("date_local"), ngx_http_ssi_date_gmt_local_variable, 0,
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82
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260 NGX_HTTP_VAR_NOCACHABLE, 0 },
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58
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261
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262 { ngx_string("date_gmt"), ngx_http_ssi_date_gmt_local_variable, 1,
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82
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263 NGX_HTTP_VAR_NOCACHABLE, 0 },
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58
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264
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82
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265 { ngx_null_string, NULL, 0, 0, 0 }
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58
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266 };
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267
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268
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269
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46
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270 static ngx_int_t
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271 ngx_http_ssi_header_filter(ngx_http_request_t *r)
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272 {
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146
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273 ngx_uint_t i;
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274 ngx_str_t *type;
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275 ngx_http_ssi_ctx_t *ctx;
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276 ngx_http_ssi_loc_conf_t *slcf;
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277
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278 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
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279
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280 if (!slcf->enable
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126
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281 || r->headers_out.content_type.len == 0
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282 || r->headers_out.content_length_n == 0)
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46
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283 {
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284 return ngx_http_next_header_filter(r);
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285 }
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286
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287
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146
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288 type = slcf->types->elts;
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289 for (i = 0; i < slcf->types->nelts; i++) {
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76
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290 if (r->headers_out.content_type.len >= type[i].len
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291 && ngx_strncasecmp(r->headers_out.content_type.data,
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292 type[i].data, type[i].len) == 0)
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293 {
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294 goto found;
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295 }
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296 }
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297
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298 return ngx_http_next_header_filter(r);
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299
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300
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301 found:
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302
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48
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303 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_ssi_ctx_t));
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304 if (ctx == NULL) {
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46
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305 return NGX_ERROR;
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306 }
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307
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308 ngx_http_set_ctx(r, ctx, ngx_http_ssi_filter_module);
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309
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310
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146
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311 ctx->value_len = slcf->value_len;
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46
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312 ctx->last_out = &ctx->out;
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313
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58
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314 ctx->output = 1;
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315
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46
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316 ctx->params.elts = ctx->params_array;
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317 ctx->params.size = sizeof(ngx_table_elt_t);
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318 ctx->params.nalloc = NGX_HTTP_SSI_PARAMS_N;
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319 ctx->params.pool = r->pool;
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320
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58
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321 ctx->timefmt.len = sizeof("%A, %d-%b-%Y %H:%M:%S %Z") - 1;
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322 ctx->timefmt.data = (u_char *) "%A, %d-%b-%Y %H:%M:%S %Z";
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46
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323
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96
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324 ctx->errmsg.len =
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325 sizeof("[an error occurred while processing the directive]") - 1;
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326 ctx->errmsg.data = (u_char *)
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327 "[an error occurred while processing the directive]";
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328
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46
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329 r->filter_need_in_memory = 1;
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330
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146
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331 if (r == r->main) {
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126
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332 ngx_http_clear_content_length(r);
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333 ngx_http_clear_last_modified(r);
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58
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334 }
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335
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46
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336 return ngx_http_next_header_filter(r);
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337 }
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338
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339
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340 static ngx_int_t
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341 ngx_http_ssi_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
|
|
|
342 {
|
|
146
|
343 ngx_int_t rc;
|
|
|
344 ngx_buf_t *b;
|
|
|
345 ngx_uint_t i, index;
|
|
|
346 ngx_chain_t *cl;
|
|
|
347 ngx_table_elt_t *param;
|
|
|
348 ngx_connection_t *c;
|
|
|
349 ngx_http_ssi_ctx_t *ctx;
|
|
|
350 ngx_http_ssi_param_t *prm;
|
|
|
351 ngx_http_ssi_command_t *cmd;
|
|
|
352 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
353 ngx_http_ssi_main_conf_t *smcf;
|
|
148
|
354 ngx_str_t *params[NGX_HTTP_SSI_MAX_PARAMS + 1];
|
|
46
|
355
|
|
|
356 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
357
|
|
48
|
358 if (ctx == NULL || (in == NULL && ctx->in == NULL && ctx->busy == NULL)) {
|
|
46
|
359 return ngx_http_next_body_filter(r, in);
|
|
|
360 }
|
|
|
361
|
|
|
362 /* add the incoming chain to the chain ctx->in */
|
|
|
363
|
|
|
364 if (in) {
|
|
|
365 if (ngx_chain_add_copy(r->pool, &ctx->in, in) == NGX_ERROR) {
|
|
|
366 return NGX_ERROR;
|
|
|
367 }
|
|
|
368 }
|
|
|
369
|
|
146
|
370 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
46
|
371
|
|
58
|
372 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
373 "http ssi filter \"%V\"", &r->uri);
|
|
46
|
374
|
|
48
|
375 while (ctx->in || ctx->buf) {
|
|
46
|
376
|
|
48
|
377 if (ctx->buf == NULL ){
|
|
|
378 ctx->buf = ctx->in->buf;
|
|
|
379 ctx->in = ctx->in->next;
|
|
|
380 ctx->pos = ctx->buf->pos;
|
|
|
381 }
|
|
46
|
382
|
|
|
383 if (ctx->state == ssi_start_state) {
|
|
|
384 ctx->copy_start = ctx->pos;
|
|
|
385 ctx->copy_end = ctx->pos;
|
|
|
386 }
|
|
|
387
|
|
48
|
388 b = NULL;
|
|
|
389
|
|
46
|
390 while (ctx->pos < ctx->buf->last) {
|
|
|
391
|
|
|
392 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
393 "saved: %d state: %d", ctx->saved, ctx->state);
|
|
|
394
|
|
|
395 rc = ngx_http_ssi_parse(r, ctx);
|
|
|
396
|
|
|
397 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
398 "parse: %d, looked: %d %p-%p",
|
|
|
399 rc, ctx->looked, ctx->copy_start, ctx->copy_end);
|
|
|
400
|
|
|
401 if (rc == NGX_ERROR) {
|
|
|
402 return rc;
|
|
|
403 }
|
|
|
404
|
|
|
405 if (ctx->copy_start != ctx->copy_end) {
|
|
|
406
|
|
58
|
407 if (ctx->output) {
|
|
|
408
|
|
|
409 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
410 "saved: %d", ctx->saved);
|
|
|
411
|
|
|
412 if (ctx->saved) {
|
|
|
413
|
|
|
414 if (ctx->free) {
|
|
|
415 cl = ctx->free;
|
|
|
416 ctx->free = ctx->free->next;
|
|
|
417 b = cl->buf;
|
|
|
418 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
46
|
419
|
|
58
|
420 } else {
|
|
|
421 b = ngx_calloc_buf(r->pool);
|
|
|
422 if (b == NULL) {
|
|
|
423 return NGX_ERROR;
|
|
|
424 }
|
|
|
425
|
|
|
426 cl = ngx_alloc_chain_link(r->pool);
|
|
|
427 if (cl == NULL) {
|
|
|
428 return NGX_ERROR;
|
|
|
429 }
|
|
|
430
|
|
|
431 cl->buf = b;
|
|
|
432 }
|
|
|
433
|
|
|
434 b->memory = 1;
|
|
|
435 b->pos = ngx_http_ssi_string;
|
|
|
436 b->last = ngx_http_ssi_string + ctx->saved;
|
|
|
437
|
|
|
438 *ctx->last_out = cl;
|
|
|
439 ctx->last_out = &cl->next;
|
|
|
440
|
|
|
441 ctx->saved = 0;
|
|
|
442 }
|
|
48
|
443
|
|
|
444 if (ctx->free) {
|
|
|
445 cl = ctx->free;
|
|
|
446 ctx->free = ctx->free->next;
|
|
|
447 b = cl->buf;
|
|
|
448
|
|
|
449 } else {
|
|
58
|
450 b = ngx_alloc_buf(r->pool);
|
|
48
|
451 if (b == NULL) {
|
|
|
452 return NGX_ERROR;
|
|
|
453 }
|
|
|
454
|
|
|
455 cl = ngx_alloc_chain_link(r->pool);
|
|
|
456 if (cl == NULL) {
|
|
|
457 return NGX_ERROR;
|
|
|
458 }
|
|
|
459
|
|
|
460 cl->buf = b;
|
|
46
|
461 }
|
|
|
462
|
|
58
|
463 ngx_memcpy(b, ctx->buf, sizeof(ngx_buf_t));
|
|
|
464
|
|
62
|
465 b->pos = ctx->copy_start;
|
|
|
466 b->last = ctx->copy_end;
|
|
|
467 b->shadow = NULL;
|
|
58
|
468 b->last_buf = 0;
|
|
|
469 b->recycled = 0;
|
|
46
|
470
|
|
58
|
471 if (b->in_file) {
|
|
146
|
472 if (slcf->min_file_chunk < (size_t) (b->last - b->pos))
|
|
58
|
473 {
|
|
|
474 b->file_last = b->file_pos + (b->last - b->start);
|
|
|
475 b->file_pos += b->pos - b->start;
|
|
|
476
|
|
|
477 } else {
|
|
|
478 b->in_file = 0;
|
|
|
479 }
|
|
|
480 }
|
|
|
481
|
|
|
482 cl->next = NULL;
|
|
46
|
483 *ctx->last_out = cl;
|
|
|
484 ctx->last_out = &cl->next;
|
|
|
485
|
|
58
|
486 } else {
|
|
46
|
487 ctx->saved = 0;
|
|
|
488 }
|
|
|
489 }
|
|
|
490
|
|
|
491 if (ctx->state == ssi_start_state) {
|
|
|
492 ctx->copy_start = ctx->pos;
|
|
|
493 ctx->copy_end = ctx->pos;
|
|
|
494
|
|
|
495 } else {
|
|
|
496 ctx->copy_start = NULL;
|
|
|
497 ctx->copy_end = NULL;
|
|
|
498 }
|
|
|
499
|
|
|
500 if (rc == NGX_AGAIN) {
|
|
|
501 continue;
|
|
|
502 }
|
|
|
503
|
|
|
504
|
|
122
|
505 b = NULL;
|
|
|
506
|
|
46
|
507 if (rc == NGX_OK) {
|
|
|
508
|
|
146
|
509 smcf = ngx_http_get_module_main_conf(r,
|
|
|
510 ngx_http_ssi_filter_module);
|
|
|
511
|
|
|
512 cmd = ngx_hash_find(&smcf->hash, ctx->key, ctx->command.data,
|
|
|
513 ctx->command.len);
|
|
|
514
|
|
|
515 if (cmd == NULL) {
|
|
|
516 if (ctx->output) {
|
|
|
517 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
518 "invalid SSI command: \"%V\"",
|
|
|
519 &ctx->command);
|
|
|
520 goto ssi_error;
|
|
46
|
521 }
|
|
|
522
|
|
146
|
523 continue;
|
|
46
|
524 }
|
|
|
525
|
|
58
|
526 if (!ctx->output && !cmd->conditional) {
|
|
|
527 continue;
|
|
|
528 }
|
|
|
529
|
|
146
|
530 if (ctx->params.nelts > NGX_HTTP_SSI_MAX_PARAMS) {
|
|
|
531 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
532 "too many SSI command paramters: \"%V\"",
|
|
|
533 &ctx->command);
|
|
|
534 goto ssi_error;
|
|
|
535 }
|
|
|
536
|
|
46
|
537 ngx_memzero(params,
|
|
148
|
538 (NGX_HTTP_SSI_MAX_PARAMS + 1) * sizeof(ngx_str_t *));
|
|
46
|
539
|
|
|
540 param = ctx->params.elts;
|
|
|
541
|
|
|
542 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
543
|
|
|
544 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
545
|
|
|
546 if (param[i].key.len != prm->name.len
|
|
|
547 || ngx_strncmp(param[i].key.data, prm->name.data,
|
|
|
548 prm->name.len) != 0)
|
|
|
549 {
|
|
|
550 continue;
|
|
|
551 }
|
|
|
552
|
|
146
|
553 if (!prm->multiple) {
|
|
|
554 if (params[prm->index]) {
|
|
|
555 ngx_log_error(NGX_LOG_ERR,
|
|
|
556 r->connection->log, 0,
|
|
|
557 "duplicate \"%V\" parameter "
|
|
|
558 "in \"%V\" SSI command",
|
|
|
559 ¶m[i].key, &ctx->command);
|
|
|
560
|
|
|
561 goto ssi_error;
|
|
|
562 }
|
|
|
563
|
|
|
564 params[prm->index] = ¶m[i].value;
|
|
|
565
|
|
|
566 break;
|
|
46
|
567 }
|
|
|
568
|
|
146
|
569 for (index = prm->index; params[index]; index++) {
|
|
|
570 /* void */
|
|
|
571 }
|
|
|
572
|
|
|
573 params[index] = ¶m[i].value;
|
|
46
|
574
|
|
|
575 break;
|
|
|
576 }
|
|
|
577
|
|
|
578 if (prm->name.len == 0) {
|
|
|
579 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
580 "invalid parameter name: \"%V\" "
|
|
|
581 "in \"%V\" SSI command",
|
|
|
582 ¶m[i].key, &ctx->command);
|
|
|
583
|
|
|
584 goto ssi_error;
|
|
|
585 }
|
|
|
586 }
|
|
|
587
|
|
|
588 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
589 if (prm->mandatory && params[prm->index] == 0) {
|
|
|
590 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
591 "mandatory \"%V\" parameter is absent "
|
|
|
592 "in \"%V\" SSI command",
|
|
|
593 &prm->name, &ctx->command);
|
|
|
594
|
|
|
595 goto ssi_error;
|
|
|
596 }
|
|
|
597 }
|
|
|
598
|
|
58
|
599 if (cmd->flush && ctx->out) {
|
|
|
600 rc = ngx_http_ssi_output(r, ctx);
|
|
|
601
|
|
|
602 if (rc == NGX_ERROR) {
|
|
|
603 return NGX_ERROR;
|
|
|
604 }
|
|
|
605 }
|
|
|
606
|
|
118
|
607 c = r->connection;
|
|
|
608
|
|
|
609 rc = cmd->handler(r, ctx, params);
|
|
|
610
|
|
132
|
611 if (c->destroyed) {
|
|
118
|
612 return NGX_DONE;
|
|
|
613 }
|
|
|
614
|
|
|
615 if (rc == NGX_OK) {
|
|
46
|
616 continue;
|
|
|
617 }
|
|
132
|
618
|
|
|
619 if (rc == NGX_ERROR) {
|
|
|
620 return NGX_ERROR;
|
|
|
621 }
|
|
46
|
622 }
|
|
|
623
|
|
|
624
|
|
|
625 /* rc == NGX_HTTP_SSI_ERROR */
|
|
|
626
|
|
48
|
627 ssi_error:
|
|
46
|
628
|
|
146
|
629 if (slcf->silent_errors) {
|
|
46
|
630 continue;
|
|
|
631 }
|
|
|
632
|
|
48
|
633 if (ctx->free) {
|
|
|
634 cl = ctx->free;
|
|
|
635 ctx->free = ctx->free->next;
|
|
|
636 b = cl->buf;
|
|
|
637 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
638
|
|
|
639 } else {
|
|
|
640 b = ngx_calloc_buf(r->pool);
|
|
|
641 if (b == NULL) {
|
|
|
642 return NGX_ERROR;
|
|
|
643 }
|
|
|
644
|
|
|
645 cl = ngx_alloc_chain_link(r->pool);
|
|
|
646 if (cl == NULL) {
|
|
|
647 return NGX_ERROR;
|
|
|
648 }
|
|
|
649
|
|
|
650 cl->buf = b;
|
|
46
|
651 }
|
|
|
652
|
|
|
653 b->memory = 1;
|
|
96
|
654 b->pos = ctx->errmsg.data;
|
|
|
655 b->last = ctx->errmsg.data + ctx->errmsg.len;
|
|
46
|
656
|
|
|
657 cl->next = NULL;
|
|
|
658 *ctx->last_out = cl;
|
|
|
659 ctx->last_out = &cl->next;
|
|
|
660
|
|
|
661 continue;
|
|
|
662 }
|
|
|
663
|
|
58
|
664 if (ctx->buf->last_buf || ctx->buf->recycled) {
|
|
48
|
665 if (b == NULL) {
|
|
|
666 if (ctx->free) {
|
|
|
667 cl = ctx->free;
|
|
|
668 ctx->free = ctx->free->next;
|
|
|
669 b = cl->buf;
|
|
|
670 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
671
|
|
|
672 } else {
|
|
|
673 b = ngx_calloc_buf(r->pool);
|
|
|
674 if (b == NULL) {
|
|
|
675 return NGX_ERROR;
|
|
|
676 }
|
|
46
|
677
|
|
48
|
678 cl = ngx_alloc_chain_link(r->pool);
|
|
|
679 if (cl == NULL) {
|
|
|
680 return NGX_ERROR;
|
|
|
681 }
|
|
|
682
|
|
|
683 cl->buf = b;
|
|
|
684 }
|
|
|
685
|
|
58
|
686 b->sync = 1;
|
|
|
687
|
|
48
|
688 cl->next = NULL;
|
|
|
689 *ctx->last_out = cl;
|
|
|
690 ctx->last_out = &cl->next;
|
|
|
691 }
|
|
|
692
|
|
|
693 b->last_buf = ctx->buf->last_buf;
|
|
|
694 b->shadow = ctx->buf;
|
|
58
|
695
|
|
146
|
696 if (slcf->ignore_recycled_buffers == 0) {
|
|
58
|
697 b->recycled = ctx->buf->recycled;
|
|
|
698 }
|
|
46
|
699 }
|
|
|
700
|
|
48
|
701 ctx->buf = NULL;
|
|
|
702
|
|
46
|
703 ctx->saved = ctx->looked;
|
|
|
704 }
|
|
|
705
|
|
48
|
706 if (ctx->out == NULL && ctx->busy == NULL) {
|
|
46
|
707 return NGX_OK;
|
|
|
708 }
|
|
|
709
|
|
58
|
710 return ngx_http_ssi_output(r, ctx);
|
|
|
711 }
|
|
|
712
|
|
|
713
|
|
|
714 static ngx_int_t
|
|
|
715 ngx_http_ssi_output(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
716 {
|
|
|
717 ngx_int_t rc;
|
|
|
718 ngx_buf_t *b;
|
|
|
719 ngx_chain_t *cl;
|
|
|
720
|
|
46
|
721 rc = ngx_http_next_body_filter(r, ctx->out);
|
|
|
722
|
|
48
|
723 if (ctx->busy == NULL) {
|
|
|
724 ctx->busy = ctx->out;
|
|
|
725
|
|
|
726 } else {
|
|
|
727 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ }
|
|
|
728 cl->next = ctx->out;
|
|
|
729 }
|
|
|
730
|
|
46
|
731 ctx->out = NULL;
|
|
|
732 ctx->last_out = &ctx->out;
|
|
|
733
|
|
48
|
734 while (ctx->busy) {
|
|
|
735
|
|
|
736 b = ctx->busy->buf;
|
|
|
737
|
|
|
738 if (ngx_buf_size(b) != 0) {
|
|
|
739 break;
|
|
|
740 }
|
|
|
741
|
|
|
742 #if (NGX_HAVE_WRITE_ZEROCOPY)
|
|
|
743 if (b->zerocopy_busy) {
|
|
|
744 break;
|
|
|
745 }
|
|
|
746 #endif
|
|
|
747
|
|
|
748 if (b->shadow) {
|
|
|
749 b->shadow->pos = b->shadow->last;
|
|
|
750 }
|
|
|
751
|
|
|
752 cl = ctx->busy;
|
|
|
753 ctx->busy = cl->next;
|
|
|
754 cl->next = ctx->free;
|
|
|
755 ctx->free = cl;
|
|
|
756 }
|
|
|
757
|
|
46
|
758 return rc;
|
|
|
759 }
|
|
|
760
|
|
|
761
|
|
|
762 static ngx_int_t
|
|
|
763 ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
764 {
|
|
158
|
765 u_char *p, *value, *last, *copy_end, ch;
|
|
46
|
766 size_t looked;
|
|
|
767 ngx_http_ssi_state_e state;
|
|
|
768
|
|
|
769 state = ctx->state;
|
|
|
770 looked = ctx->looked;
|
|
|
771 last = ctx->buf->last;
|
|
|
772 copy_end = ctx->copy_end;
|
|
|
773
|
|
|
774 for (p = ctx->pos; p < last; p++) {
|
|
|
775
|
|
|
776 ch = *p;
|
|
|
777
|
|
|
778 if (state == ssi_start_state) {
|
|
|
779
|
|
|
780 /* the tight loop */
|
|
|
781
|
|
48
|
782 for ( ;; ) {
|
|
|
783 if (ch == '<') {
|
|
|
784 copy_end = p;
|
|
|
785 looked = 1;
|
|
|
786 state = ssi_tag_state;
|
|
|
787
|
|
|
788 goto tag_started;
|
|
46
|
789 }
|
|
|
790
|
|
48
|
791 if (++p == last) {
|
|
|
792 break;
|
|
|
793 }
|
|
46
|
794
|
|
48
|
795 ch = *p;
|
|
46
|
796 }
|
|
|
797
|
|
|
798 ctx->pos = p;
|
|
|
799 ctx->looked = looked;
|
|
|
800 ctx->copy_end = p;
|
|
|
801
|
|
|
802 if (ctx->copy_start == NULL) {
|
|
|
803 ctx->copy_start = ctx->buf->pos;
|
|
|
804 }
|
|
|
805
|
|
|
806 return NGX_AGAIN;
|
|
|
807
|
|
48
|
808 tag_started:
|
|
|
809
|
|
46
|
810 continue;
|
|
|
811 }
|
|
|
812
|
|
|
813 switch (state) {
|
|
|
814
|
|
|
815 case ssi_start_state:
|
|
|
816 break;
|
|
|
817
|
|
|
818 case ssi_tag_state:
|
|
|
819 switch (ch) {
|
|
|
820 case '!':
|
|
|
821 looked = 2;
|
|
|
822 state = ssi_comment0_state;
|
|
|
823 break;
|
|
|
824
|
|
|
825 case '<':
|
|
|
826 copy_end = p;
|
|
|
827 break;
|
|
|
828
|
|
|
829 default:
|
|
|
830 copy_end = p;
|
|
|
831 looked = 0;
|
|
|
832 state = ssi_start_state;
|
|
|
833 break;
|
|
|
834 }
|
|
|
835
|
|
|
836 break;
|
|
|
837
|
|
|
838 case ssi_comment0_state:
|
|
|
839 switch (ch) {
|
|
|
840 case '-':
|
|
|
841 looked = 3;
|
|
|
842 state = ssi_comment1_state;
|
|
|
843 break;
|
|
|
844
|
|
|
845 case '<':
|
|
|
846 copy_end = p;
|
|
|
847 looked = 1;
|
|
|
848 state = ssi_tag_state;
|
|
|
849 break;
|
|
|
850
|
|
|
851 default:
|
|
|
852 copy_end = p;
|
|
|
853 looked = 0;
|
|
|
854 state = ssi_start_state;
|
|
|
855 break;
|
|
|
856 }
|
|
|
857
|
|
|
858 break;
|
|
|
859
|
|
|
860 case ssi_comment1_state:
|
|
|
861 switch (ch) {
|
|
|
862 case '-':
|
|
|
863 looked = 4;
|
|
|
864 state = ssi_sharp_state;
|
|
|
865 break;
|
|
|
866
|
|
|
867 case '<':
|
|
|
868 copy_end = p;
|
|
|
869 looked = 1;
|
|
|
870 state = ssi_tag_state;
|
|
|
871 break;
|
|
|
872
|
|
|
873 default:
|
|
|
874 copy_end = p;
|
|
|
875 looked = 0;
|
|
|
876 state = ssi_start_state;
|
|
|
877 break;
|
|
|
878 }
|
|
|
879
|
|
|
880 break;
|
|
|
881
|
|
|
882 case ssi_sharp_state:
|
|
|
883 switch (ch) {
|
|
|
884 case '#':
|
|
|
885 if (ctx->copy_start) {
|
|
|
886 ctx->saved = 0;
|
|
|
887 }
|
|
|
888 looked = 0;
|
|
|
889 state = ssi_precommand_state;
|
|
|
890 break;
|
|
|
891
|
|
|
892 case '<':
|
|
|
893 copy_end = p;
|
|
|
894 looked = 1;
|
|
|
895 state = ssi_tag_state;
|
|
|
896 break;
|
|
|
897
|
|
|
898 default:
|
|
|
899 copy_end = p;
|
|
|
900 looked = 0;
|
|
|
901 state = ssi_start_state;
|
|
|
902 break;
|
|
|
903 }
|
|
|
904
|
|
|
905 break;
|
|
|
906
|
|
|
907 case ssi_precommand_state:
|
|
|
908 switch (ch) {
|
|
|
909 case ' ':
|
|
|
910 case CR:
|
|
|
911 case LF:
|
|
|
912 case '\t':
|
|
|
913 break;
|
|
|
914
|
|
|
915 default:
|
|
|
916 ctx->command.len = 1;
|
|
|
917 ctx->command.data = ngx_palloc(r->pool,
|
|
158
|
918 NGX_HTTP_SSI_COMMAND_LEN);
|
|
46
|
919 if (ctx->command.data == NULL) {
|
|
|
920 return NGX_ERROR;
|
|
|
921 }
|
|
|
922
|
|
|
923 ctx->command.data[0] = ch;
|
|
158
|
924
|
|
146
|
925 ctx->key = 0;
|
|
|
926 ctx->key = ngx_hash(ctx->key, ch);
|
|
|
927
|
|
46
|
928 ctx->params.nelts = 0;
|
|
|
929 state = ssi_command_state;
|
|
|
930 break;
|
|
|
931 }
|
|
|
932
|
|
|
933 break;
|
|
|
934
|
|
|
935 case ssi_command_state:
|
|
|
936 switch (ch) {
|
|
|
937 case ' ':
|
|
|
938 case CR:
|
|
|
939 case LF:
|
|
|
940 case '\t':
|
|
|
941 state = ssi_preparam_state;
|
|
|
942 break;
|
|
|
943
|
|
|
944 case '-':
|
|
|
945 state = ssi_comment_end0_state;
|
|
|
946 break;
|
|
|
947
|
|
|
948 default:
|
|
|
949 if (ctx->command.len == NGX_HTTP_SSI_COMMAND_LEN) {
|
|
|
950 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
951 "the \"%V%c...\" SSI command is too long",
|
|
|
952 &ctx->command, ch);
|
|
46
|
953
|
|
|
954 state = ssi_error_state;
|
|
|
955 break;
|
|
|
956 }
|
|
158
|
957
|
|
|
958 ctx->command.data[ctx->command.len++] = ch;
|
|
|
959 ctx->key = ngx_hash(ctx->key, ch);
|
|
46
|
960 }
|
|
|
961
|
|
|
962 break;
|
|
|
963
|
|
|
964 case ssi_preparam_state:
|
|
|
965 switch (ch) {
|
|
|
966 case ' ':
|
|
|
967 case CR:
|
|
|
968 case LF:
|
|
|
969 case '\t':
|
|
|
970 break;
|
|
|
971
|
|
|
972 case '-':
|
|
|
973 state = ssi_comment_end0_state;
|
|
|
974 break;
|
|
|
975
|
|
|
976 default:
|
|
48
|
977 ctx->param = ngx_array_push(&ctx->params);
|
|
|
978 if (ctx->param == NULL) {
|
|
46
|
979 return NGX_ERROR;
|
|
|
980 }
|
|
|
981
|
|
|
982 ctx->param->key.len = 1;
|
|
|
983 ctx->param->key.data = ngx_palloc(r->pool,
|
|
158
|
984 NGX_HTTP_SSI_PARAM_LEN);
|
|
46
|
985 if (ctx->param->key.data == NULL) {
|
|
|
986 return NGX_ERROR;
|
|
|
987 }
|
|
|
988
|
|
|
989 ctx->param->key.data[0] = ch;
|
|
|
990
|
|
|
991 ctx->param->value.len = 0;
|
|
158
|
992
|
|
|
993 if (ctx->value_buf == NULL) {
|
|
|
994 ctx->param->value.data = ngx_palloc(r->pool,
|
|
|
995 ctx->value_len);
|
|
|
996 if (ctx->param->value.data == NULL) {
|
|
|
997 return NGX_ERROR;
|
|
|
998 }
|
|
|
999
|
|
|
1000 } else {
|
|
|
1001 ctx->param->value.data = ctx->value_buf;
|
|
46
|
1002 }
|
|
|
1003
|
|
|
1004 state = ssi_param_state;
|
|
|
1005 break;
|
|
|
1006 }
|
|
|
1007
|
|
|
1008 break;
|
|
|
1009
|
|
|
1010 case ssi_param_state:
|
|
|
1011 switch (ch) {
|
|
|
1012 case ' ':
|
|
|
1013 case CR:
|
|
|
1014 case LF:
|
|
|
1015 case '\t':
|
|
|
1016 state = ssi_preequal_state;
|
|
|
1017 break;
|
|
|
1018
|
|
|
1019 case '=':
|
|
|
1020 state = ssi_prevalue_state;
|
|
|
1021 break;
|
|
|
1022
|
|
|
1023 case '-':
|
|
|
1024 state = ssi_error_end0_state;
|
|
|
1025
|
|
|
1026 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
|
1027 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1028 "invalid \"%V\" parameter in \"%V\" SSI command",
|
|
|
1029 &ctx->param->key, &ctx->command);
|
|
|
1030 break;
|
|
|
1031
|
|
|
1032 default:
|
|
|
1033 if (ctx->param->key.len == NGX_HTTP_SSI_PARAM_LEN) {
|
|
|
1034 state = ssi_error_state;
|
|
|
1035 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1036 "too long \"%V%c...\" parameter in "
|
|
46
|
1037 "\"%V\" SSI command",
|
|
158
|
1038 &ctx->param->key, ch, &ctx->command);
|
|
46
|
1039 break;
|
|
|
1040 }
|
|
158
|
1041
|
|
|
1042 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
46
|
1043 }
|
|
|
1044
|
|
|
1045 break;
|
|
|
1046
|
|
|
1047 case ssi_preequal_state:
|
|
|
1048 switch (ch) {
|
|
|
1049 case ' ':
|
|
|
1050 case CR:
|
|
|
1051 case LF:
|
|
|
1052 case '\t':
|
|
|
1053 break;
|
|
|
1054
|
|
|
1055 case '=':
|
|
|
1056 state = ssi_prevalue_state;
|
|
|
1057 break;
|
|
|
1058
|
|
|
1059 default:
|
|
|
1060 if (ch == '-') {
|
|
|
1061 state = ssi_error_end0_state;
|
|
|
1062 } else {
|
|
|
1063 state = ssi_error_state;
|
|
|
1064 }
|
|
|
1065
|
|
|
1066 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1067 "unexpected \"%c\" symbol after \"%V\" "
|
|
|
1068 "parameter in \"%V\" SSI command",
|
|
|
1069 ch, &ctx->param->key, &ctx->command);
|
|
|
1070 break;
|
|
|
1071 }
|
|
|
1072
|
|
|
1073 break;
|
|
|
1074
|
|
|
1075 case ssi_prevalue_state:
|
|
|
1076 switch (ch) {
|
|
|
1077 case ' ':
|
|
|
1078 case CR:
|
|
|
1079 case LF:
|
|
|
1080 case '\t':
|
|
|
1081 break;
|
|
|
1082
|
|
|
1083 case '"':
|
|
|
1084 state = ssi_double_quoted_value_state;
|
|
|
1085 break;
|
|
|
1086
|
|
|
1087 case '\'':
|
|
|
1088 state = ssi_quoted_value_state;
|
|
|
1089 break;
|
|
|
1090
|
|
|
1091 default:
|
|
|
1092 if (ch == '-') {
|
|
|
1093 state = ssi_error_end0_state;
|
|
|
1094 } else {
|
|
|
1095 state = ssi_error_state;
|
|
|
1096 }
|
|
|
1097
|
|
|
1098 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1099 "unexpected \"%c\" symbol before value of "
|
|
|
1100 "\"%V\" parameter in \"%V\" SSI command",
|
|
|
1101 ch, &ctx->param->key, &ctx->command);
|
|
|
1102 break;
|
|
|
1103 }
|
|
|
1104
|
|
|
1105 break;
|
|
|
1106
|
|
|
1107 case ssi_double_quoted_value_state:
|
|
|
1108 switch (ch) {
|
|
108
|
1109 case '"':
|
|
|
1110 state = ssi_postparam_state;
|
|
|
1111 break;
|
|
|
1112
|
|
46
|
1113 case '\\':
|
|
|
1114 ctx->saved_state = ssi_double_quoted_value_state;
|
|
|
1115 state = ssi_quoted_symbol_state;
|
|
108
|
1116
|
|
|
1117 /* fall through */
|
|
46
|
1118
|
|
|
1119 default:
|
|
|
1120 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1121 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1122 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1123 "parameter in \"%V\" SSI command",
|
|
|
1124 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1125 &ctx->command);
|
|
|
1126 state = ssi_error_state;
|
|
|
1127 break;
|
|
|
1128 }
|
|
158
|
1129
|
|
|
1130 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1131 }
|
|
|
1132
|
|
|
1133 break;
|
|
|
1134
|
|
|
1135 case ssi_quoted_value_state:
|
|
|
1136 switch (ch) {
|
|
108
|
1137 case '\'':
|
|
|
1138 state = ssi_postparam_state;
|
|
|
1139 break;
|
|
|
1140
|
|
46
|
1141 case '\\':
|
|
|
1142 ctx->saved_state = ssi_quoted_value_state;
|
|
|
1143 state = ssi_quoted_symbol_state;
|
|
108
|
1144
|
|
|
1145 /* fall through */
|
|
46
|
1146
|
|
|
1147 default:
|
|
|
1148 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1149 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1150 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1151 "parameter in \"%V\" SSI command",
|
|
|
1152 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1153 &ctx->command);
|
|
|
1154 state = ssi_error_state;
|
|
|
1155 break;
|
|
|
1156 }
|
|
158
|
1157
|
|
|
1158 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1159 }
|
|
|
1160
|
|
|
1161 break;
|
|
|
1162
|
|
|
1163 case ssi_quoted_symbol_state:
|
|
108
|
1164 state = ctx->saved_state;
|
|
|
1165
|
|
|
1166 if (ch == '\\') {
|
|
|
1167 break;
|
|
|
1168 }
|
|
|
1169
|
|
|
1170 if (ch == '"' && state == ssi_double_quoted_value_state) {
|
|
122
|
1171 ctx->param->value.data[ctx->param->value.len - 1] = ch;
|
|
108
|
1172 break;
|
|
|
1173 }
|
|
|
1174
|
|
|
1175 if (ch == '\'' && state == ssi_quoted_value_state) {
|
|
122
|
1176 ctx->param->value.data[ctx->param->value.len - 1] = ch;
|
|
108
|
1177 break;
|
|
|
1178 }
|
|
|
1179
|
|
158
|
1180 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1181 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1182 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1183 "parameter in \"%V\" SSI command",
|
|
|
1184 &ctx->param->value, ch, &ctx->param->key,
|
|
|
1185 &ctx->command);
|
|
|
1186 state = ssi_error_state;
|
|
|
1187 break;
|
|
|
1188 }
|
|
|
1189
|
|
46
|
1190 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
|
1191
|
|
|
1192 break;
|
|
|
1193
|
|
|
1194 case ssi_postparam_state:
|
|
158
|
1195
|
|
|
1196 if (ctx->param->value.len < ctx->value_len / 2) {
|
|
|
1197 value = ngx_palloc(r->pool, ctx->param->value.len);
|
|
|
1198 if (value == NULL) {
|
|
|
1199 return NGX_ERROR;
|
|
|
1200 }
|
|
|
1201
|
|
|
1202 ngx_memcpy(value, ctx->param->value.data,
|
|
|
1203 ctx->param->value.len);
|
|
|
1204
|
|
|
1205 ctx->value_buf = ctx->param->value.data;
|
|
|
1206 ctx->param->value.data = value;
|
|
|
1207
|
|
|
1208 } else {
|
|
|
1209 ctx->value_buf = NULL;
|
|
|
1210 }
|
|
|
1211
|
|
46
|
1212 switch (ch) {
|
|
|
1213 case ' ':
|
|
|
1214 case CR:
|
|
|
1215 case LF:
|
|
|
1216 case '\t':
|
|
|
1217 state = ssi_preparam_state;
|
|
|
1218 break;
|
|
|
1219
|
|
|
1220 case '-':
|
|
|
1221 state = ssi_comment_end0_state;
|
|
|
1222 break;
|
|
|
1223
|
|
|
1224 default:
|
|
|
1225 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1226 "unexpected \"%c\" symbol after \"%V\" value "
|
|
|
1227 "of \"%V\" parameter in \"%V\" SSI command",
|
|
|
1228 ch, &ctx->param->value, &ctx->param->key,
|
|
|
1229 &ctx->command);
|
|
|
1230 state = ssi_error_state;
|
|
|
1231 break;
|
|
|
1232 }
|
|
|
1233
|
|
|
1234 break;
|
|
|
1235
|
|
|
1236 case ssi_comment_end0_state:
|
|
|
1237 switch (ch) {
|
|
|
1238 case '-':
|
|
|
1239 state = ssi_comment_end1_state;
|
|
|
1240 break;
|
|
|
1241
|
|
|
1242 default:
|
|
|
1243 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1244 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1245 ch, &ctx->command);
|
|
|
1246 state = ssi_error_state;
|
|
|
1247 break;
|
|
|
1248 }
|
|
|
1249
|
|
|
1250 break;
|
|
|
1251
|
|
|
1252 case ssi_comment_end1_state:
|
|
|
1253 switch (ch) {
|
|
|
1254 case '>':
|
|
|
1255 ctx->state = ssi_start_state;
|
|
|
1256 ctx->pos = p + 1;
|
|
|
1257 ctx->looked = looked;
|
|
|
1258 ctx->copy_end = copy_end;
|
|
|
1259
|
|
|
1260 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1261 ctx->copy_start = ctx->buf->pos;
|
|
|
1262 }
|
|
|
1263
|
|
|
1264 return NGX_OK;
|
|
|
1265
|
|
|
1266 default:
|
|
|
1267 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1268 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1269 ch, &ctx->command);
|
|
|
1270 state = ssi_error_state;
|
|
|
1271 break;
|
|
|
1272 }
|
|
|
1273
|
|
|
1274 break;
|
|
|
1275
|
|
|
1276 case ssi_error_state:
|
|
|
1277 switch (ch) {
|
|
|
1278 case '-':
|
|
|
1279 state = ssi_error_end0_state;
|
|
|
1280 break;
|
|
|
1281
|
|
|
1282 default:
|
|
|
1283 break;
|
|
|
1284 }
|
|
|
1285
|
|
|
1286 break;
|
|
|
1287
|
|
|
1288 case ssi_error_end0_state:
|
|
|
1289 switch (ch) {
|
|
|
1290 case '-':
|
|
|
1291 state = ssi_error_end1_state;
|
|
|
1292 break;
|
|
|
1293
|
|
|
1294 default:
|
|
|
1295 state = ssi_error_state;
|
|
|
1296 break;
|
|
|
1297 }
|
|
|
1298
|
|
|
1299 break;
|
|
|
1300
|
|
|
1301 case ssi_error_end1_state:
|
|
|
1302 switch (ch) {
|
|
|
1303 case '>':
|
|
|
1304 ctx->state = ssi_start_state;
|
|
|
1305 ctx->pos = p + 1;
|
|
|
1306 ctx->looked = looked;
|
|
|
1307 ctx->copy_end = copy_end;
|
|
|
1308
|
|
|
1309 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1310 ctx->copy_start = ctx->buf->pos;
|
|
|
1311 }
|
|
|
1312
|
|
|
1313 return NGX_HTTP_SSI_ERROR;
|
|
|
1314
|
|
|
1315 default:
|
|
|
1316 state = ssi_error_state;
|
|
|
1317 break;
|
|
|
1318 }
|
|
|
1319
|
|
|
1320 break;
|
|
|
1321 }
|
|
|
1322 }
|
|
|
1323
|
|
|
1324 ctx->state = state;
|
|
|
1325 ctx->pos = p;
|
|
|
1326 ctx->looked = looked;
|
|
|
1327
|
|
|
1328 ctx->copy_end = (state == ssi_start_state) ? p : copy_end;
|
|
|
1329
|
|
|
1330 if (ctx->copy_start == NULL && ctx->copy_end) {
|
|
|
1331 ctx->copy_start = ctx->buf->pos;
|
|
|
1332 }
|
|
|
1333
|
|
|
1334 return NGX_AGAIN;
|
|
|
1335 }
|
|
|
1336
|
|
|
1337
|
|
102
|
1338 static ngx_str_t *
|
|
160
|
1339 ngx_http_ssi_get_variable(ngx_http_request_t *r, ngx_str_t *name,
|
|
|
1340 ngx_uint_t key)
|
|
102
|
1341 {
|
|
|
1342 ngx_uint_t i;
|
|
|
1343 ngx_http_ssi_var_t *var;
|
|
|
1344 ngx_http_ssi_ctx_t *ctx;
|
|
|
1345
|
|
|
1346 ctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
1347
|
|
|
1348 var = ctx->variables.elts;
|
|
|
1349 for (i = 0; i < ctx->variables.nelts; i++) {
|
|
|
1350 if (name->len != var[i].name.len) {
|
|
|
1351 continue;
|
|
|
1352 }
|
|
|
1353
|
|
160
|
1354 if (key != var[i].key) {
|
|
|
1355 continue;
|
|
|
1356 }
|
|
|
1357
|
|
|
1358 if (ngx_strncmp(name->data, var[i].name.data, name->len) == 0) {
|
|
102
|
1359 return &var[i].value;
|
|
|
1360 }
|
|
|
1361 }
|
|
|
1362
|
|
|
1363 return NULL;
|
|
|
1364 }
|
|
|
1365
|
|
|
1366
|
|
|
1367 static ngx_int_t
|
|
|
1368 ngx_http_ssi_evaluate_string(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1369 ngx_str_t *text, ngx_uint_t flags)
|
|
|
1370 {
|
|
122
|
1371 u_char ch, *p, **value, *data, *part_data;
|
|
|
1372 size_t *size, len, prefix, part_len;
|
|
|
1373 ngx_str_t var, *val;
|
|
160
|
1374 ngx_int_t key;
|
|
102
|
1375 ngx_uint_t i, j, n, bracket;
|
|
|
1376 ngx_array_t lengths, values;
|
|
|
1377 ngx_http_variable_value_t *vv;
|
|
|
1378
|
|
|
1379 n = ngx_http_script_variables_count(text);
|
|
|
1380
|
|
|
1381 if (n == 0) {
|
|
|
1382
|
|
|
1383 if (!(flags & NGX_HTTP_SSI_ADD_PREFIX)) {
|
|
|
1384 return NGX_OK;
|
|
|
1385 }
|
|
|
1386
|
|
|
1387 if (text->data[0] != '/') {
|
|
|
1388 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1389 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1390 break;
|
|
|
1391 }
|
|
|
1392 }
|
|
|
1393
|
|
|
1394 if (prefix) {
|
|
|
1395 len = prefix + text->len;
|
|
|
1396
|
|
|
1397 data = ngx_palloc(r->pool, len);
|
|
|
1398 if (data == NULL) {
|
|
|
1399 return NGX_ERROR;
|
|
|
1400 }
|
|
|
1401
|
|
122
|
1402 p = ngx_copy(data, r->uri.data, prefix);
|
|
102
|
1403 ngx_memcpy(p, text->data, text->len);
|
|
|
1404
|
|
|
1405 text->len = len;
|
|
|
1406 text->data = data;
|
|
|
1407 }
|
|
|
1408 }
|
|
|
1409
|
|
|
1410 return NGX_OK;
|
|
|
1411 }
|
|
|
1412
|
|
|
1413 if (ngx_array_init(&lengths, r->pool, 8, sizeof(size_t *)) != NGX_OK) {
|
|
|
1414 return NGX_ERROR;
|
|
|
1415 }
|
|
|
1416
|
|
|
1417 if (ngx_array_init(&values, r->pool, 8, sizeof(u_char *)) != NGX_OK) {
|
|
|
1418 return NGX_ERROR;
|
|
|
1419 }
|
|
|
1420
|
|
|
1421 len = 0;
|
|
|
1422 i = 0;
|
|
|
1423
|
|
|
1424 while (i < text->len) {
|
|
|
1425
|
|
|
1426 if (text->data[i] == '$') {
|
|
|
1427
|
|
|
1428 var.len = 0;
|
|
|
1429
|
|
|
1430 if (++i == text->len) {
|
|
|
1431 goto invalid_variable;
|
|
|
1432 }
|
|
|
1433
|
|
|
1434 if (text->data[i] == '{') {
|
|
|
1435 bracket = 1;
|
|
|
1436
|
|
|
1437 if (++i == text->len) {
|
|
|
1438 goto invalid_variable;
|
|
|
1439 }
|
|
|
1440
|
|
|
1441 var.data = &text->data[i];
|
|
|
1442
|
|
|
1443 } else {
|
|
|
1444 bracket = 0;
|
|
|
1445 var.data = &text->data[i];
|
|
|
1446 }
|
|
|
1447
|
|
|
1448 for ( /* void */ ; i < text->len; i++, var.len++) {
|
|
|
1449 ch = text->data[i];
|
|
|
1450
|
|
|
1451 if (ch == '}' && bracket) {
|
|
|
1452 i++;
|
|
|
1453 bracket = 0;
|
|
|
1454 break;
|
|
|
1455 }
|
|
|
1456
|
|
|
1457 if ((ch >= 'A' && ch <= 'Z')
|
|
|
1458 || (ch >= 'a' && ch <= 'z')
|
|
|
1459 || (ch >= '0' && ch <= '9')
|
|
|
1460 || ch == '_')
|
|
|
1461 {
|
|
|
1462 continue;
|
|
|
1463 }
|
|
|
1464
|
|
|
1465 break;
|
|
|
1466 }
|
|
|
1467
|
|
|
1468 if (bracket) {
|
|
|
1469 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1470 "the closing bracket in \"%V\" "
|
|
|
1471 "variable is missing", &var);
|
|
|
1472 return NGX_ERROR;
|
|
|
1473 }
|
|
|
1474
|
|
126
|
1475 if (var.len == 0) {
|
|
102
|
1476 goto invalid_variable;
|
|
|
1477 }
|
|
|
1478
|
|
160
|
1479 key = 0;
|
|
|
1480
|
|
102
|
1481 for (j = 0; j < var.len; j++) {
|
|
|
1482 var.data[j] = ngx_tolower(var.data[j]);
|
|
160
|
1483 key = ngx_hash(key, var.data[j]);
|
|
102
|
1484 }
|
|
|
1485
|
|
160
|
1486 val = ngx_http_ssi_get_variable(r, &var, key);
|
|
102
|
1487
|
|
|
1488 if (val == NULL) {
|
|
160
|
1489 vv = ngx_http_get_variable(r, &var, key);
|
|
102
|
1490
|
|
|
1491 if (vv == NULL) {
|
|
|
1492 return NGX_ERROR;
|
|
|
1493 }
|
|
|
1494
|
|
122
|
1495 if (vv->not_found) {
|
|
102
|
1496 continue;
|
|
|
1497 }
|
|
|
1498
|
|
122
|
1499 part_data = vv->data;
|
|
|
1500 part_len = vv->len;
|
|
102
|
1501
|
|
|
1502 } else {
|
|
122
|
1503 part_data = val->data;
|
|
|
1504 part_len = val->len;
|
|
102
|
1505 }
|
|
|
1506
|
|
|
1507 } else {
|
|
122
|
1508 part_data = &text->data[i];
|
|
|
1509
|
|
|
1510 for (p = part_data; i < text->len; i++) {
|
|
108
|
1511 ch = text->data[i];
|
|
|
1512
|
|
|
1513 if (ch == '$') {
|
|
|
1514 if (text->data[i - 1] != '\\') {
|
|
|
1515 break;
|
|
|
1516 }
|
|
|
1517
|
|
|
1518 *(p - 1) = ch;
|
|
|
1519
|
|
|
1520 continue;
|
|
|
1521 }
|
|
|
1522
|
|
|
1523 *p++ = ch;
|
|
102
|
1524 }
|
|
108
|
1525
|
|
122
|
1526 part_len = p - part_data;
|
|
102
|
1527 }
|
|
|
1528
|
|
122
|
1529 len += part_len;
|
|
102
|
1530
|
|
|
1531 size = ngx_array_push(&lengths);
|
|
|
1532 if (size == NULL) {
|
|
|
1533 return NGX_ERROR;
|
|
|
1534 }
|
|
|
1535
|
|
122
|
1536 *size = part_len;
|
|
102
|
1537
|
|
|
1538 value = ngx_array_push(&values);
|
|
|
1539 if (value == NULL) {
|
|
|
1540 return NGX_ERROR;
|
|
|
1541 }
|
|
|
1542
|
|
122
|
1543 *value = part_data;
|
|
102
|
1544 }
|
|
|
1545
|
|
|
1546 prefix = 0;
|
|
|
1547
|
|
|
1548 size = lengths.elts;
|
|
|
1549 value = values.elts;
|
|
|
1550
|
|
|
1551 if (flags & NGX_HTTP_SSI_ADD_PREFIX) {
|
|
|
1552 for (i = 0; i < values.nelts; i++) {
|
|
|
1553 if (size[i] != 0) {
|
|
|
1554 if (*value[i] != '/') {
|
|
|
1555 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1556 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1557 len += prefix;
|
|
|
1558 break;
|
|
|
1559 }
|
|
|
1560 }
|
|
|
1561 }
|
|
|
1562
|
|
|
1563 break;
|
|
|
1564 }
|
|
|
1565 }
|
|
|
1566 }
|
|
|
1567
|
|
|
1568 p = ngx_palloc(r->pool, len);
|
|
|
1569 if (p == NULL) {
|
|
|
1570 return NGX_ERROR;
|
|
|
1571 }
|
|
|
1572
|
|
|
1573 text->len = len;
|
|
|
1574 text->data = p;
|
|
|
1575
|
|
122
|
1576 p = ngx_copy(p, r->uri.data, prefix);
|
|
102
|
1577
|
|
|
1578 for (i = 0; i < values.nelts; i++) {
|
|
122
|
1579 p = ngx_copy(p, value[i], size[i]);
|
|
102
|
1580 }
|
|
|
1581
|
|
|
1582 return NGX_OK;
|
|
|
1583
|
|
|
1584 invalid_variable:
|
|
|
1585
|
|
|
1586 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1587 "invalid variable name in \"%V\"", text);
|
|
|
1588
|
|
|
1589 return NGX_ERROR;
|
|
|
1590 }
|
|
|
1591
|
|
|
1592
|
|
|
1593 static ngx_int_t
|
|
|
1594 ngx_http_ssi_include(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1595 ngx_str_t **params)
|
|
|
1596 {
|
|
|
1597 ngx_str_t *uri, *file, args;
|
|
122
|
1598 ngx_uint_t flags;
|
|
102
|
1599
|
|
|
1600 uri = params[NGX_HTTP_SSI_INCLUDE_VIRTUAL];
|
|
|
1601 file = params[NGX_HTTP_SSI_INCLUDE_FILE];
|
|
|
1602
|
|
|
1603 if (uri && file) {
|
|
|
1604 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1605 "inlcusion may be either virtual=\"%V\" or file=\"%V\"",
|
|
|
1606 uri, file);
|
|
|
1607 return NGX_HTTP_SSI_ERROR;
|
|
|
1608 }
|
|
|
1609
|
|
|
1610 if (uri == NULL && file == NULL) {
|
|
|
1611 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1612 "no parameter in \"include\" SSI command");
|
|
|
1613 return NGX_HTTP_SSI_ERROR;
|
|
|
1614 }
|
|
|
1615
|
|
|
1616 if (uri == NULL) {
|
|
|
1617 uri = file;
|
|
|
1618 }
|
|
|
1619
|
|
|
1620 if (ngx_http_ssi_evaluate_string(r, ctx, uri, NGX_HTTP_SSI_ADD_PREFIX)
|
|
|
1621 != NGX_OK)
|
|
|
1622 {
|
|
|
1623 return NGX_HTTP_SSI_ERROR;
|
|
|
1624 }
|
|
|
1625
|
|
|
1626 args.len = 0;
|
|
|
1627 args.data = NULL;
|
|
122
|
1628 flags = 0;
|
|
|
1629
|
|
|
1630 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1631 "ssi include: \"%V\"", uri);
|
|
|
1632
|
|
|
1633 if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) {
|
|
|
1634 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1635 }
|
|
|
1636
|
|
122
|
1637 if (ngx_http_subrequest(r, uri, &args, flags) != NGX_OK) {
|
|
102
|
1638 return NGX_HTTP_SSI_ERROR;
|
|
|
1639 }
|
|
|
1640
|
|
|
1641 return NGX_OK;
|
|
|
1642 }
|
|
|
1643
|
|
|
1644
|
|
46
|
1645 static ngx_int_t
|
|
|
1646 ngx_http_ssi_echo(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1647 ngx_str_t **params)
|
|
|
1648 {
|
|
160
|
1649 ngx_int_t key;
|
|
50
|
1650 ngx_uint_t i;
|
|
48
|
1651 ngx_buf_t *b;
|
|
122
|
1652 ngx_str_t *var, *value, text;
|
|
48
|
1653 ngx_chain_t *cl;
|
|
50
|
1654 ngx_http_variable_value_t *vv;
|
|
46
|
1655
|
|
|
1656 var = params[NGX_HTTP_SSI_ECHO_VAR];
|
|
|
1657
|
|
160
|
1658 key = 0;
|
|
|
1659
|
|
|
1660 for (i = 0; i < var->len; i++) {
|
|
|
1661 var->data[i] = ngx_tolower(var->data[i]);
|
|
|
1662 key = ngx_hash(key, var->data[i]);
|
|
|
1663 }
|
|
|
1664
|
|
|
1665 value = ngx_http_ssi_get_variable(r, var, key);
|
|
102
|
1666
|
|
|
1667 if (value == NULL) {
|
|
160
|
1668 vv = ngx_http_get_variable(r, var, key);
|
|
102
|
1669
|
|
|
1670 if (vv == NULL) {
|
|
|
1671 return NGX_HTTP_SSI_ERROR;
|
|
|
1672 }
|
|
|
1673
|
|
122
|
1674 if (!vv->not_found) {
|
|
|
1675 text.data = vv->data;
|
|
|
1676 text.len = vv->len;
|
|
|
1677 value = &text;
|
|
102
|
1678 }
|
|
50
|
1679 }
|
|
46
|
1680
|
|
102
|
1681 if (value == NULL) {
|
|
48
|
1682 value = params[NGX_HTTP_SSI_ECHO_DEFAULT];
|
|
|
1683
|
|
|
1684 if (value == NULL) {
|
|
|
1685 value = &ngx_http_ssi_none;
|
|
|
1686
|
|
|
1687 } else if (value->len == 0) {
|
|
|
1688 return NGX_OK;
|
|
|
1689 }
|
|
|
1690
|
|
|
1691 } else {
|
|
|
1692 if (value->len == 0) {
|
|
|
1693 return NGX_OK;
|
|
|
1694 }
|
|
|
1695 }
|
|
|
1696
|
|
|
1697 b = ngx_calloc_buf(r->pool);
|
|
|
1698 if (b == NULL) {
|
|
|
1699 return NGX_HTTP_SSI_ERROR;
|
|
|
1700 }
|
|
|
1701
|
|
|
1702 cl = ngx_alloc_chain_link(r->pool);
|
|
|
1703 if (cl == NULL) {
|
|
46
|
1704 return NGX_HTTP_SSI_ERROR;
|
|
|
1705 }
|
|
|
1706
|
|
|
1707 b->memory = 1;
|
|
|
1708 b->pos = value->data;
|
|
|
1709 b->last = value->data + value->len;
|
|
|
1710
|
|
|
1711 cl->buf = b;
|
|
|
1712 cl->next = NULL;
|
|
|
1713 *ctx->last_out = cl;
|
|
|
1714 ctx->last_out = &cl->next;
|
|
|
1715
|
|
|
1716 return NGX_OK;
|
|
|
1717 }
|
|
|
1718
|
|
|
1719
|
|
58
|
1720 static ngx_int_t
|
|
|
1721 ngx_http_ssi_config(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1722 ngx_str_t **params)
|
|
|
1723 {
|
|
|
1724 ngx_str_t *value;
|
|
|
1725
|
|
|
1726 value = params[NGX_HTTP_SSI_CONFIG_TIMEFMT];
|
|
|
1727
|
|
|
1728 if (value) {
|
|
138
|
1729 ctx->timefmt.len = value->len;
|
|
|
1730 ctx->timefmt.data = ngx_palloc(r->pool, value->len + 1);
|
|
|
1731 if (ctx->timefmt.data == NULL) {
|
|
|
1732 return NGX_HTTP_SSI_ERROR;
|
|
|
1733 }
|
|
|
1734
|
|
|
1735 ngx_cpystrn(ctx->timefmt.data, value->data, value->len + 1);
|
|
58
|
1736 }
|
|
|
1737
|
|
96
|
1738 value = params[NGX_HTTP_SSI_CONFIG_ERRMSG];
|
|
|
1739
|
|
|
1740 if (value) {
|
|
|
1741 ctx->errmsg = *value;
|
|
|
1742 }
|
|
|
1743
|
|
58
|
1744 return NGX_OK;
|
|
|
1745 }
|
|
|
1746
|
|
|
1747
|
|
|
1748 static ngx_int_t
|
|
102
|
1749 ngx_http_ssi_set(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
58
|
1750 ngx_str_t **params)
|
|
|
1751 {
|
|
160
|
1752 ngx_int_t key;
|
|
|
1753 ngx_uint_t i;
|
|
102
|
1754 ngx_str_t *name, *value, *vv;
|
|
|
1755 ngx_http_ssi_var_t *var;
|
|
|
1756 ngx_http_ssi_ctx_t *mctx;
|
|
|
1757
|
|
|
1758 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
1759
|
|
|
1760 if (mctx->variables.elts == NULL) {
|
|
|
1761 if (ngx_array_init(&mctx->variables, r->pool, 4,
|
|
|
1762 sizeof(ngx_http_ssi_var_t)) != NGX_OK)
|
|
|
1763 {
|
|
58
|
1764 return NGX_HTTP_SSI_ERROR;
|
|
|
1765 }
|
|
|
1766 }
|
|
|
1767
|
|
102
|
1768 name = params[NGX_HTTP_SSI_SET_VAR];
|
|
|
1769 value = params[NGX_HTTP_SSI_SET_VALUE];
|
|
|
1770
|
|
|
1771 if (ngx_http_ssi_evaluate_string(r, ctx, value, 0) != NGX_OK) {
|
|
58
|
1772 return NGX_HTTP_SSI_ERROR;
|
|
|
1773 }
|
|
|
1774
|
|
160
|
1775 key = 0;
|
|
|
1776
|
|
|
1777 for (i = 0; i < name->len; i++) {
|
|
|
1778 name->data[i] = ngx_tolower(name->data[i]);
|
|
|
1779 key = ngx_hash(key, name->data[i]);
|
|
|
1780 }
|
|
|
1781
|
|
|
1782 vv = ngx_http_ssi_get_variable(r, name, key);
|
|
102
|
1783
|
|
|
1784 if (vv) {
|
|
|
1785 *vv = *value;
|
|
|
1786 return NGX_OK;
|
|
|
1787 }
|
|
|
1788
|
|
|
1789 var = ngx_array_push(&mctx->variables);
|
|
|
1790 if (var == NULL) {
|
|
|
1791 return NGX_HTTP_SSI_ERROR;
|
|
|
1792 }
|
|
|
1793
|
|
|
1794 var->name = *name;
|
|
160
|
1795 var->key = key;
|
|
102
|
1796 var->value = *value;
|
|
|
1797
|
|
|
1798 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1799 "set: \"%V\"=\"%V\"", name, value);
|
|
|
1800
|
|
58
|
1801 return NGX_OK;
|
|
|
1802 }
|
|
|
1803
|
|
|
1804
|
|
|
1805 static ngx_int_t
|
|
|
1806 ngx_http_ssi_if(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1807 ngx_str_t **params)
|
|
|
1808 {
|
|
102
|
1809 u_char *p, *last;
|
|
|
1810 ngx_str_t *expr, left, right;
|
|
|
1811 ngx_int_t rc;
|
|
|
1812 ngx_uint_t negative, noregex;
|
|
100
|
1813 #if (NGX_PCRE)
|
|
102
|
1814 ngx_str_t err;
|
|
|
1815 ngx_regex_t *regex;
|
|
|
1816 u_char errstr[NGX_MAX_CONF_ERRSTR];
|
|
100
|
1817 #endif
|
|
58
|
1818
|
|
|
1819 expr = params[NGX_HTTP_SSI_IF_EXPR];
|
|
|
1820
|
|
102
|
1821 left.data = expr->data;
|
|
100
|
1822 last = expr->data + expr->len;
|
|
|
1823
|
|
102
|
1824 for (p = left.data; p < last; p++) {
|
|
100
|
1825 if (*p >= 'A' && *p <= 'Z') {
|
|
|
1826 *p |= 0x20;
|
|
|
1827 continue;
|
|
|
1828 }
|
|
58
|
1829
|
|
102
|
1830 if ((*p >= 'a' && *p <= 'z')
|
|
|
1831 || (*p >= '0' && *p <= '9')
|
|
122
|
1832 || *p == '$' || *p == '{' || *p == '}' || *p == '_'
|
|
|
1833 || *p == '"' || *p == '\'')
|
|
102
|
1834 {
|
|
100
|
1835 continue;
|
|
|
1836 }
|
|
|
1837
|
|
|
1838 break;
|
|
|
1839 }
|
|
|
1840
|
|
102
|
1841 left.len = p - left.data;
|
|
100
|
1842
|
|
|
1843 while (p < last && *p == ' ') {
|
|
|
1844 p++;
|
|
58
|
1845 }
|
|
|
1846
|
|
102
|
1847 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1848 "left: \"%V\"", &left);
|
|
|
1849
|
|
|
1850 if (ngx_http_ssi_evaluate_string(r, ctx, &left, 0) != NGX_OK) {
|
|
58
|
1851 return NGX_HTTP_SSI_ERROR;
|
|
|
1852 }
|
|
|
1853
|
|
102
|
1854 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1855 "evaluted left: \"%V\"", &left);
|
|
|
1856
|
|
100
|
1857 if (p == last) {
|
|
102
|
1858 if (left.len) {
|
|
100
|
1859 ctx->output = 1;
|
|
|
1860
|
|
|
1861 } else {
|
|
|
1862 ctx->output = 0;
|
|
|
1863 }
|
|
|
1864
|
|
|
1865 return NGX_OK;
|
|
|
1866 }
|
|
|
1867
|
|
|
1868 if (p < last && *p == '=') {
|
|
|
1869 negative = 0;
|
|
|
1870 p++;
|
|
|
1871
|
|
|
1872 } else if (p + 1 < last && *p == '!' && *(p + 1) == '=') {
|
|
|
1873 negative = 1;
|
|
|
1874 p += 2;
|
|
|
1875
|
|
|
1876 } else {
|
|
|
1877 goto invalid_expression;
|
|
|
1878 }
|
|
|
1879
|
|
|
1880 while (p < last && *p == ' ') {
|
|
|
1881 p++;
|
|
|
1882 }
|
|
|
1883
|
|
|
1884 if (p < last && *p == '/') {
|
|
|
1885 if (*(last - 1) != '/') {
|
|
|
1886 goto invalid_expression;
|
|
|
1887 }
|
|
|
1888
|
|
|
1889 noregex = 0;
|
|
|
1890 last--;
|
|
|
1891 p++;
|
|
|
1892
|
|
|
1893 } else {
|
|
|
1894 noregex = 1;
|
|
|
1895 }
|
|
|
1896
|
|
|
1897 right.len = last - p;
|
|
|
1898 right.data = p;
|
|
|
1899
|
|
102
|
1900 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1901 "right: \"%V\"", &right);
|
|
|
1902
|
|
|
1903 if (ngx_http_ssi_evaluate_string(r, ctx, &right, 0) != NGX_OK) {
|
|
|
1904 return NGX_HTTP_SSI_ERROR;
|
|
100
|
1905 }
|
|
|
1906
|
|
102
|
1907 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1908 "evaluted right: \"%V\"", &right);
|
|
100
|
1909
|
|
|
1910 if (noregex) {
|
|
|
1911 if (left.len != right.len) {
|
|
|
1912 rc = -1;
|
|
|
1913
|
|
|
1914 } else {
|
|
|
1915 rc = ngx_strncmp(left.data, right.data, right.len);
|
|
|
1916 }
|
|
|
1917
|
|
|
1918 } else {
|
|
|
1919 #if (NGX_PCRE)
|
|
|
1920 err.len = NGX_MAX_CONF_ERRSTR;
|
|
|
1921 err.data = errstr;
|
|
|
1922
|
|
|
1923 right.data[right.len] = '\0';
|
|
|
1924
|
|
|
1925 regex = ngx_regex_compile(&right, 0, r->pool, &err);
|
|
|
1926
|
|
|
1927 if (regex == NULL) {
|
|
|
1928 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "%s", err.data);
|
|
|
1929 return NGX_HTTP_SSI_ERROR;
|
|
|
1930 }
|
|
|
1931
|
|
|
1932 rc = ngx_regex_exec(regex, &left, NULL, 0);
|
|
|
1933
|
|
|
1934 if (rc != NGX_REGEX_NO_MATCHED && rc < 0) {
|
|
|
1935 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1936 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"",
|
|
|
1937 rc, &left, &right);
|
|
|
1938 return NGX_HTTP_SSI_ERROR;
|
|
|
1939 }
|
|
|
1940 #else
|
|
|
1941 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1942 "the using of the regex \"%V\" in SSI "
|
|
|
1943 "requires PCRE library", &right);
|
|
|
1944
|
|
|
1945 return NGX_HTTP_SSI_ERROR;
|
|
|
1946 #endif
|
|
|
1947 }
|
|
|
1948
|
|
|
1949 if ((rc == 0 && !negative) || (rc != 0 && negative)) {
|
|
58
|
1950 ctx->output = 1;
|
|
|
1951
|
|
|
1952 } else {
|
|
|
1953 ctx->output = 0;
|
|
|
1954 }
|
|
|
1955
|
|
|
1956 return NGX_OK;
|
|
100
|
1957
|
|
|
1958 invalid_expression:
|
|
|
1959
|
|
|
1960 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1961 "invalid expression in \"%V\"", expr);
|
|
|
1962
|
|
|
1963 return NGX_HTTP_SSI_ERROR;
|
|
58
|
1964 }
|
|
|
1965
|
|
|
1966
|
|
|
1967 static ngx_int_t
|
|
|
1968 ngx_http_ssi_else(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1969 ngx_str_t **params)
|
|
|
1970 {
|
|
|
1971 ctx->output = !ctx->output;
|
|
|
1972
|
|
|
1973 return NGX_OK;
|
|
|
1974 }
|
|
|
1975
|
|
|
1976
|
|
|
1977 static ngx_int_t
|
|
|
1978 ngx_http_ssi_endif(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1979 ngx_str_t **params)
|
|
|
1980 {
|
|
|
1981 ctx->output = 1;
|
|
|
1982
|
|
|
1983 return NGX_OK;
|
|
|
1984 }
|
|
|
1985
|
|
|
1986
|
|
122
|
1987 static ngx_int_t
|
|
|
1988 ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
|
|
|
1989 ngx_http_variable_value_t *v, uintptr_t gmt)
|
|
58
|
1990 {
|
|
122
|
1991 ngx_http_ssi_ctx_t *ctx;
|
|
|
1992 ngx_time_t *tp;
|
|
|
1993 struct tm tm;
|
|
|
1994 char buf[NGX_HTTP_SSI_DATE_LEN];
|
|
|
1995
|
|
126
|
1996 v->valid = 1;
|
|
122
|
1997 v->no_cachable = 0;
|
|
|
1998 v->not_found = 0;
|
|
58
|
1999
|
|
112
|
2000 tp = ngx_timeofday();
|
|
|
2001
|
|
58
|
2002 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
2003
|
|
|
2004 if (ctx->timefmt.len == sizeof("%s") - 1
|
|
|
2005 && ctx->timefmt.data[0] == '%' && ctx->timefmt.data[1] == 's')
|
|
|
2006 {
|
|
122
|
2007 v->data = ngx_palloc(r->pool, NGX_TIME_T_LEN);
|
|
|
2008 if (v->data == NULL) {
|
|
|
2009 return NGX_ERROR;
|
|
58
|
2010 }
|
|
|
2011
|
|
122
|
2012 v->len = ngx_sprintf(v->data, "%T", tp->sec + (gmt ? 0 : tp->gmtoff))
|
|
|
2013 - v->data;
|
|
|
2014 return NGX_OK;
|
|
58
|
2015 }
|
|
|
2016
|
|
|
2017 if (gmt) {
|
|
112
|
2018 ngx_libc_gmtime(tp->sec, &tm);
|
|
58
|
2019 } else {
|
|
112
|
2020 ngx_libc_localtime(tp->sec, &tm);
|
|
58
|
2021 }
|
|
|
2022
|
|
122
|
2023 v->len = strftime(buf, NGX_HTTP_SSI_DATE_LEN,
|
|
|
2024 (char *) ctx->timefmt.data, &tm);
|
|
|
2025 if (v->len == 0) {
|
|
|
2026 return NGX_ERROR;
|
|
58
|
2027 }
|
|
|
2028
|
|
122
|
2029 v->data = ngx_palloc(r->pool, v->len);
|
|
|
2030 if (v->data == NULL) {
|
|
|
2031 return NGX_ERROR;
|
|
58
|
2032 }
|
|
|
2033
|
|
122
|
2034 ngx_memcpy(v->data, buf, v->len);
|
|
|
2035
|
|
|
2036 return NGX_OK;
|
|
58
|
2037 }
|
|
|
2038
|
|
|
2039
|
|
76
|
2040 static char *
|
|
|
2041 ngx_http_ssi_types(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2042 {
|
|
146
|
2043 ngx_http_ssi_loc_conf_t *slcf = conf;
|
|
76
|
2044
|
|
|
2045 ngx_str_t *value, *type;
|
|
|
2046 ngx_uint_t i;
|
|
|
2047
|
|
146
|
2048 if (slcf->types == NULL) {
|
|
|
2049 slcf->types = ngx_array_create(cf->pool, 4, sizeof(ngx_str_t));
|
|
|
2050 if (slcf->types == NULL) {
|
|
76
|
2051 return NGX_CONF_ERROR;
|
|
|
2052 }
|
|
|
2053
|
|
146
|
2054 type = ngx_array_push(slcf->types);
|
|
76
|
2055 if (type == NULL) {
|
|
|
2056 return NGX_CONF_ERROR;
|
|
|
2057 }
|
|
|
2058
|
|
|
2059 type->len = sizeof("text/html") - 1;
|
|
|
2060 type->data = (u_char *) "text/html";
|
|
|
2061 }
|
|
|
2062
|
|
|
2063 value = cf->args->elts;
|
|
|
2064
|
|
|
2065 for (i = 1; i < cf->args->nelts; i++) {
|
|
|
2066
|
|
|
2067 if (ngx_strcmp(value[i].data, "text/html") == 0) {
|
|
|
2068 continue;
|
|
|
2069 }
|
|
|
2070
|
|
146
|
2071 type = ngx_array_push(slcf->types);
|
|
76
|
2072 if (type == NULL) {
|
|
|
2073 return NGX_CONF_ERROR;
|
|
|
2074 }
|
|
|
2075
|
|
|
2076 type->len = value[i].len;
|
|
|
2077
|
|
|
2078 type->data = ngx_palloc(cf->pool, type->len + 1);
|
|
|
2079 if (type->data == NULL) {
|
|
|
2080 return NGX_CONF_ERROR;
|
|
|
2081 }
|
|
|
2082
|
|
|
2083 ngx_cpystrn(type->data, value[i].data, type->len + 1);
|
|
|
2084 }
|
|
|
2085
|
|
|
2086 return NGX_CONF_OK;
|
|
|
2087 }
|
|
|
2088
|
|
|
2089
|
|
58
|
2090 static ngx_int_t
|
|
146
|
2091 ngx_http_ssi_preconfiguration(ngx_conf_t *cf)
|
|
58
|
2092 {
|
|
146
|
2093 ngx_int_t rc;
|
|
|
2094 ngx_http_variable_t *var, *v;
|
|
|
2095 ngx_http_ssi_command_t *cmd;
|
|
|
2096 ngx_http_ssi_main_conf_t *smcf;
|
|
58
|
2097
|
|
|
2098 for (v = ngx_http_ssi_vars; v->name.len; v++) {
|
|
|
2099 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
2100 if (var == NULL) {
|
|
|
2101 return NGX_ERROR;
|
|
|
2102 }
|
|
|
2103
|
|
|
2104 var->handler = v->handler;
|
|
|
2105 var->data = v->data;
|
|
|
2106 }
|
|
|
2107
|
|
146
|
2108 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
2109
|
|
|
2110 for (cmd = ngx_http_ssi_commands; cmd->name.len; cmd++) {
|
|
|
2111 rc = ngx_hash_add_key(&smcf->commands, &cmd->name, cmd,
|
|
|
2112 NGX_HASH_READONLY_KEY);
|
|
|
2113
|
|
|
2114 if (rc == NGX_OK) {
|
|
|
2115 continue;
|
|
|
2116 }
|
|
|
2117
|
|
|
2118 if (rc == NGX_BUSY) {
|
|
|
2119 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2120 "conflicting SSI command \"%V\"", &cmd->name);
|
|
|
2121 }
|
|
|
2122
|
|
|
2123 return NGX_ERROR;
|
|
|
2124 }
|
|
|
2125
|
|
126
|
2126 return NGX_OK;
|
|
58
|
2127 }
|
|
|
2128
|
|
|
2129
|
|
46
|
2130 static void *
|
|
146
|
2131 ngx_http_ssi_create_main_conf(ngx_conf_t *cf)
|
|
|
2132 {
|
|
|
2133 ngx_http_ssi_main_conf_t *smcf;
|
|
|
2134
|
|
|
2135 smcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_main_conf_t));
|
|
|
2136 if (smcf == NULL) {
|
|
|
2137 return NGX_CONF_ERROR;
|
|
|
2138 }
|
|
|
2139
|
|
|
2140 smcf->commands.pool = cf->pool;
|
|
|
2141 smcf->commands.temp_pool = cf->temp_pool;
|
|
|
2142
|
|
|
2143 if (ngx_hash_keys_array_init(&smcf->commands, NGX_HASH_SMALL) != NGX_OK) {
|
|
|
2144 return NGX_CONF_ERROR;
|
|
|
2145 }
|
|
|
2146
|
|
|
2147 return smcf;
|
|
|
2148 }
|
|
|
2149
|
|
|
2150
|
|
|
2151 static char *
|
|
|
2152 ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
2153 {
|
|
|
2154 ngx_http_ssi_main_conf_t *smcf = conf;
|
|
|
2155
|
|
|
2156 ngx_hash_init_t hash;
|
|
|
2157
|
|
|
2158 hash.hash = &smcf->hash;
|
|
|
2159 hash.key = ngx_hash_key;
|
|
|
2160 hash.max_size = 1024;
|
|
|
2161 hash.bucket_size = ngx_cacheline_size;
|
|
|
2162 hash.name = "ssi_command_hash";
|
|
|
2163 hash.pool = cf->pool;
|
|
|
2164 hash.temp_pool = NULL;
|
|
|
2165
|
|
|
2166 if (ngx_hash_init(&hash, smcf->commands.keys.elts,
|
|
|
2167 smcf->commands.keys.nelts)
|
|
|
2168 != NGX_OK)
|
|
|
2169 {
|
|
|
2170 return NGX_CONF_ERROR;
|
|
|
2171 }
|
|
|
2172
|
|
|
2173 return NGX_CONF_OK;
|
|
|
2174 }
|
|
|
2175
|
|
|
2176
|
|
|
2177 static void *
|
|
46
|
2178 ngx_http_ssi_create_conf(ngx_conf_t *cf)
|
|
|
2179 {
|
|
146
|
2180 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
2181
|
|
|
2182 slcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_loc_conf_t));
|
|
|
2183 if (slcf == NULL) {
|
|
46
|
2184 return NGX_CONF_ERROR;
|
|
|
2185 }
|
|
|
2186
|
|
76
|
2187 /*
|
|
|
2188 * set by ngx_pcalloc():
|
|
|
2189 *
|
|
|
2190 * conf->types = NULL;
|
|
|
2191 */
|
|
|
2192
|
|
146
|
2193 slcf->enable = NGX_CONF_UNSET;
|
|
|
2194 slcf->silent_errors = NGX_CONF_UNSET;
|
|
|
2195 slcf->ignore_recycled_buffers = NGX_CONF_UNSET;
|
|
|
2196
|
|
|
2197 slcf->min_file_chunk = NGX_CONF_UNSET_SIZE;
|
|
|
2198 slcf->value_len = NGX_CONF_UNSET_SIZE;
|
|
|
2199
|
|
|
2200 return slcf;
|
|
46
|
2201 }
|
|
|
2202
|
|
|
2203
|
|
|
2204 static char *
|
|
|
2205 ngx_http_ssi_merge_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
2206 {
|
|
146
|
2207 ngx_http_ssi_loc_conf_t *prev = parent;
|
|
|
2208 ngx_http_ssi_loc_conf_t *conf = child;
|
|
46
|
2209
|
|
76
|
2210 ngx_str_t *type;
|
|
|
2211
|
|
46
|
2212 ngx_conf_merge_value(conf->enable, prev->enable, 0);
|
|
|
2213 ngx_conf_merge_value(conf->silent_errors, prev->silent_errors, 0);
|
|
58
|
2214 ngx_conf_merge_value(conf->ignore_recycled_buffers,
|
|
|
2215 prev->ignore_recycled_buffers, 0);
|
|
46
|
2216
|
|
|
2217 ngx_conf_merge_size_value(conf->min_file_chunk, prev->min_file_chunk, 1024);
|
|
|
2218 ngx_conf_merge_size_value(conf->value_len, prev->value_len, 256);
|
|
|
2219
|
|
76
|
2220 if (conf->types == NULL) {
|
|
|
2221 if (prev->types == NULL) {
|
|
|
2222 conf->types = ngx_array_create(cf->pool, 1, sizeof(ngx_str_t));
|
|
|
2223 if (conf->types == NULL) {
|
|
|
2224 return NGX_CONF_ERROR;
|
|
|
2225 }
|
|
|
2226
|
|
|
2227 type = ngx_array_push(conf->types);
|
|
|
2228 if (type == NULL) {
|
|
|
2229 return NGX_CONF_ERROR;
|
|
|
2230 }
|
|
|
2231
|
|
|
2232 type->len = sizeof("text/html") - 1;
|
|
|
2233 type->data = (u_char *) "text/html";
|
|
|
2234
|
|
|
2235 } else {
|
|
|
2236 conf->types = prev->types;
|
|
|
2237 }
|
|
|
2238 }
|
|
|
2239
|
|
46
|
2240 return NGX_CONF_OK;
|
|
|
2241 }
|
|
|
2242
|
|
|
2243
|
|
|
2244 static ngx_int_t
|
|
|
2245 ngx_http_ssi_filter_init(ngx_cycle_t *cycle)
|
|
|
2246 {
|
|
|
2247 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
|
2248 ngx_http_top_header_filter = ngx_http_ssi_header_filter;
|
|
|
2249
|
|
|
2250 ngx_http_next_body_filter = ngx_http_top_body_filter;
|
|
|
2251 ngx_http_top_body_filter = ngx_http_ssi_body_filter;
|
|
|
2252
|
|
|
2253 return NGX_OK;
|
|
|
2254 }
|
