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