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