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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;
|
|
246
|
378 ngx_http_request_t *pr;
|
|
216
|
379 ngx_http_ssi_ctx_t *ctx, *mctx;
|
|
|
380 ngx_http_ssi_block_t *bl;
|
|
146
|
381 ngx_http_ssi_param_t *prm;
|
|
|
382 ngx_http_ssi_command_t *cmd;
|
|
|
383 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
384 ngx_http_ssi_main_conf_t *smcf;
|
|
148
|
385 ngx_str_t *params[NGX_HTTP_SSI_MAX_PARAMS + 1];
|
|
46
|
386
|
|
|
387 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
388
|
|
194
|
389 if (ctx == NULL
|
|
|
390 || (in == NULL
|
|
|
391 && ctx->buf == NULL
|
|
|
392 && ctx->in == NULL
|
|
|
393 && ctx->busy == NULL))
|
|
|
394 {
|
|
46
|
395 return ngx_http_next_body_filter(r, in);
|
|
|
396 }
|
|
|
397
|
|
|
398 /* add the incoming chain to the chain ctx->in */
|
|
|
399
|
|
|
400 if (in) {
|
|
|
401 if (ngx_chain_add_copy(r->pool, &ctx->in, in) == NGX_ERROR) {
|
|
|
402 return NGX_ERROR;
|
|
|
403 }
|
|
|
404 }
|
|
|
405
|
|
194
|
406 if (ctx->wait) {
|
|
|
407 if (r->connection->data != r) {
|
|
|
408 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
409 "http ssi filter \"%V\" wait", &r->uri);
|
|
|
410 return NGX_AGAIN;
|
|
|
411 }
|
|
|
412
|
|
246
|
413 for (pr = ctx->wait->parent; pr; pr = pr->parent) {
|
|
|
414 if (pr == r) {
|
|
|
415 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
416 "http ssi filter \"%V\" flush", &r->uri);
|
|
|
417
|
|
|
418 rc = ngx_http_next_body_filter(r, NULL);
|
|
|
419
|
|
|
420 if (ctx->wait->done) {
|
|
|
421 ctx->wait = NULL;
|
|
|
422 }
|
|
|
423
|
|
|
424 if (rc == NGX_ERROR || rc == NGX_AGAIN) {
|
|
|
425 return rc;
|
|
|
426 }
|
|
322
|
427
|
|
|
428 break;
|
|
246
|
429 }
|
|
|
430 }
|
|
|
431
|
|
244
|
432 if (ctx->wait == r) {
|
|
|
433 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
434 "http ssi filter \"%V\" continue", &r->uri);
|
|
|
435 ctx->wait = NULL;
|
|
|
436 }
|
|
194
|
437 }
|
|
|
438
|
|
146
|
439 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
46
|
440
|
|
58
|
441 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
442 "http ssi filter \"%V\"", &r->uri);
|
|
46
|
443
|
|
48
|
444 while (ctx->in || ctx->buf) {
|
|
46
|
445
|
|
48
|
446 if (ctx->buf == NULL ){
|
|
|
447 ctx->buf = ctx->in->buf;
|
|
|
448 ctx->in = ctx->in->next;
|
|
|
449 ctx->pos = ctx->buf->pos;
|
|
|
450 }
|
|
46
|
451
|
|
|
452 if (ctx->state == ssi_start_state) {
|
|
|
453 ctx->copy_start = ctx->pos;
|
|
|
454 ctx->copy_end = ctx->pos;
|
|
|
455 }
|
|
|
456
|
|
48
|
457 b = NULL;
|
|
|
458
|
|
46
|
459 while (ctx->pos < ctx->buf->last) {
|
|
|
460
|
|
|
461 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
462 "saved: %d state: %d", ctx->saved, ctx->state);
|
|
|
463
|
|
|
464 rc = ngx_http_ssi_parse(r, ctx);
|
|
|
465
|
|
|
466 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
467 "parse: %d, looked: %d %p-%p",
|
|
|
468 rc, ctx->looked, ctx->copy_start, ctx->copy_end);
|
|
|
469
|
|
|
470 if (rc == NGX_ERROR) {
|
|
|
471 return rc;
|
|
|
472 }
|
|
|
473
|
|
|
474 if (ctx->copy_start != ctx->copy_end) {
|
|
|
475
|
|
58
|
476 if (ctx->output) {
|
|
|
477
|
|
|
478 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
479 "saved: %d", ctx->saved);
|
|
|
480
|
|
|
481 if (ctx->saved) {
|
|
|
482
|
|
|
483 if (ctx->free) {
|
|
|
484 cl = ctx->free;
|
|
|
485 ctx->free = ctx->free->next;
|
|
|
486 b = cl->buf;
|
|
|
487 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
46
|
488
|
|
58
|
489 } else {
|
|
|
490 b = ngx_calloc_buf(r->pool);
|
|
|
491 if (b == NULL) {
|
|
|
492 return NGX_ERROR;
|
|
|
493 }
|
|
|
494
|
|
|
495 cl = ngx_alloc_chain_link(r->pool);
|
|
|
496 if (cl == NULL) {
|
|
|
497 return NGX_ERROR;
|
|
|
498 }
|
|
|
499
|
|
|
500 cl->buf = b;
|
|
|
501 }
|
|
|
502
|
|
|
503 b->memory = 1;
|
|
|
504 b->pos = ngx_http_ssi_string;
|
|
|
505 b->last = ngx_http_ssi_string + ctx->saved;
|
|
|
506
|
|
|
507 *ctx->last_out = cl;
|
|
|
508 ctx->last_out = &cl->next;
|
|
|
509
|
|
|
510 ctx->saved = 0;
|
|
|
511 }
|
|
48
|
512
|
|
|
513 if (ctx->free) {
|
|
|
514 cl = ctx->free;
|
|
|
515 ctx->free = ctx->free->next;
|
|
|
516 b = cl->buf;
|
|
|
517
|
|
|
518 } else {
|
|
58
|
519 b = ngx_alloc_buf(r->pool);
|
|
48
|
520 if (b == NULL) {
|
|
|
521 return NGX_ERROR;
|
|
|
522 }
|
|
|
523
|
|
|
524 cl = ngx_alloc_chain_link(r->pool);
|
|
|
525 if (cl == NULL) {
|
|
|
526 return NGX_ERROR;
|
|
|
527 }
|
|
|
528
|
|
|
529 cl->buf = b;
|
|
46
|
530 }
|
|
|
531
|
|
58
|
532 ngx_memcpy(b, ctx->buf, sizeof(ngx_buf_t));
|
|
|
533
|
|
62
|
534 b->pos = ctx->copy_start;
|
|
|
535 b->last = ctx->copy_end;
|
|
|
536 b->shadow = NULL;
|
|
58
|
537 b->last_buf = 0;
|
|
|
538 b->recycled = 0;
|
|
46
|
539
|
|
58
|
540 if (b->in_file) {
|
|
146
|
541 if (slcf->min_file_chunk < (size_t) (b->last - b->pos))
|
|
58
|
542 {
|
|
386
|
543 b->file_last = b->file_pos
|
|
|
544 + (b->last - ctx->buf->pos);
|
|
|
545 b->file_pos += b->pos - ctx->buf->pos;
|
|
58
|
546
|
|
|
547 } else {
|
|
|
548 b->in_file = 0;
|
|
|
549 }
|
|
|
550 }
|
|
|
551
|
|
|
552 cl->next = NULL;
|
|
46
|
553 *ctx->last_out = cl;
|
|
|
554 ctx->last_out = &cl->next;
|
|
|
555
|
|
58
|
556 } else {
|
|
216
|
557 if (ctx->block
|
|
|
558 && ctx->saved + (ctx->copy_end - ctx->copy_start))
|
|
|
559 {
|
|
|
560 b = ngx_create_temp_buf(r->pool,
|
|
|
561 ctx->saved + (ctx->copy_end - ctx->copy_start));
|
|
|
562
|
|
|
563 if (b == NULL) {
|
|
|
564 return NGX_ERROR;
|
|
|
565 }
|
|
|
566
|
|
|
567 if (ctx->saved) {
|
|
|
568 b->last = ngx_cpymem(b->pos, ngx_http_ssi_string,
|
|
|
569 ctx->saved);
|
|
|
570 }
|
|
|
571
|
|
|
572 b->last = ngx_cpymem(b->last, ctx->copy_start,
|
|
|
573 ctx->copy_end - ctx->copy_start);
|
|
|
574
|
|
|
575 cl = ngx_alloc_chain_link(r->pool);
|
|
|
576 if (cl == NULL) {
|
|
|
577 return NGX_ERROR;
|
|
|
578 }
|
|
|
579
|
|
|
580 cl->buf = b;
|
|
|
581 cl->next = NULL;
|
|
|
582
|
|
|
583 b = NULL;
|
|
|
584
|
|
|
585 mctx = ngx_http_get_module_ctx(r->main,
|
|
|
586 ngx_http_ssi_filter_module);
|
|
|
587 bl = mctx->blocks->elts;
|
|
|
588 for (ll = &bl[mctx->blocks->nelts - 1].bufs;
|
|
|
589 *ll;
|
|
|
590 ll = &(*ll)->next)
|
|
|
591 {
|
|
|
592 /* void */
|
|
|
593 }
|
|
|
594
|
|
|
595 *ll = cl;
|
|
|
596 }
|
|
|
597
|
|
46
|
598 ctx->saved = 0;
|
|
|
599 }
|
|
|
600 }
|
|
|
601
|
|
|
602 if (ctx->state == ssi_start_state) {
|
|
|
603 ctx->copy_start = ctx->pos;
|
|
|
604 ctx->copy_end = ctx->pos;
|
|
|
605
|
|
|
606 } else {
|
|
|
607 ctx->copy_start = NULL;
|
|
|
608 ctx->copy_end = NULL;
|
|
|
609 }
|
|
|
610
|
|
|
611 if (rc == NGX_AGAIN) {
|
|
|
612 continue;
|
|
|
613 }
|
|
|
614
|
|
|
615
|
|
122
|
616 b = NULL;
|
|
|
617
|
|
46
|
618 if (rc == NGX_OK) {
|
|
|
619
|
|
146
|
620 smcf = ngx_http_get_module_main_conf(r,
|
|
|
621 ngx_http_ssi_filter_module);
|
|
|
622
|
|
|
623 cmd = ngx_hash_find(&smcf->hash, ctx->key, ctx->command.data,
|
|
|
624 ctx->command.len);
|
|
|
625
|
|
|
626 if (cmd == NULL) {
|
|
|
627 if (ctx->output) {
|
|
|
628 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
629 "invalid SSI command: \"%V\"",
|
|
|
630 &ctx->command);
|
|
|
631 goto ssi_error;
|
|
46
|
632 }
|
|
|
633
|
|
146
|
634 continue;
|
|
46
|
635 }
|
|
|
636
|
|
178
|
637 if (cmd->conditional
|
|
|
638 && (ctx->conditional == 0
|
|
|
639 || ctx->conditional > cmd->conditional))
|
|
|
640 {
|
|
|
641 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
642 "invalid context of SSI command: \"%V\"",
|
|
|
643 &ctx->command);
|
|
|
644 goto ssi_error;
|
|
|
645 }
|
|
|
646
|
|
216
|
647 if (!ctx->output && !cmd->block) {
|
|
|
648
|
|
|
649 if (ctx->block) {
|
|
|
650
|
|
|
651 /* reconstruct the SSI command text */
|
|
|
652
|
|
|
653 len = 5 + ctx->command.len + 4;
|
|
|
654
|
|
|
655 param = ctx->params.elts;
|
|
|
656 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
657 len += 1 + param[i].key.len + 2
|
|
|
658 + param[i].value.len + 1;
|
|
|
659 }
|
|
|
660
|
|
|
661 b = ngx_create_temp_buf(r->pool, len);
|
|
|
662
|
|
|
663 if (b == NULL) {
|
|
|
664 return NGX_ERROR;
|
|
|
665 }
|
|
|
666
|
|
|
667 cl = ngx_alloc_chain_link(r->pool);
|
|
|
668 if (cl == NULL) {
|
|
|
669 return NGX_ERROR;
|
|
|
670 }
|
|
|
671
|
|
|
672 cl->buf = b;
|
|
|
673 cl->next = NULL;
|
|
|
674
|
|
|
675 *b->last++ = '<';
|
|
|
676 *b->last++ = '!';
|
|
|
677 *b->last++ = '-';
|
|
|
678 *b->last++ = '-';
|
|
|
679 *b->last++ = '#';
|
|
|
680
|
|
|
681 b->last = ngx_cpymem(b->last, ctx->command.data,
|
|
|
682 ctx->command.len);
|
|
|
683
|
|
|
684 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
685 *b->last++ = ' ';
|
|
|
686 b->last = ngx_cpymem(b->last, param[i].key.data,
|
|
|
687 param[i].key.len);
|
|
|
688 *b->last++ = '=';
|
|
|
689 *b->last++ = '"';
|
|
|
690 b->last = ngx_cpymem(b->last, param[i].value.data,
|
|
|
691 param[i].value.len);
|
|
|
692 *b->last++ = '"';
|
|
|
693 }
|
|
|
694
|
|
|
695 *b->last++ = ' ';
|
|
|
696 *b->last++ = '-';
|
|
|
697 *b->last++ = '-';
|
|
|
698 *b->last++ = '>';
|
|
|
699
|
|
|
700 mctx = ngx_http_get_module_ctx(r->main,
|
|
|
701 ngx_http_ssi_filter_module);
|
|
|
702 bl = mctx->blocks->elts;
|
|
|
703 for (ll = &bl[mctx->blocks->nelts - 1].bufs;
|
|
|
704 *ll;
|
|
|
705 ll = &(*ll)->next)
|
|
|
706 {
|
|
|
707 /* void */
|
|
|
708 }
|
|
|
709
|
|
|
710 *ll = cl;
|
|
|
711
|
|
|
712 b = NULL;
|
|
|
713
|
|
|
714 continue;
|
|
|
715 }
|
|
|
716
|
|
|
717 if (cmd->conditional == 0) {
|
|
|
718 continue;
|
|
|
719 }
|
|
58
|
720 }
|
|
|
721
|
|
146
|
722 if (ctx->params.nelts > NGX_HTTP_SSI_MAX_PARAMS) {
|
|
|
723 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
724 "too many SSI command paramters: \"%V\"",
|
|
|
725 &ctx->command);
|
|
|
726 goto ssi_error;
|
|
|
727 }
|
|
|
728
|
|
46
|
729 ngx_memzero(params,
|
|
148
|
730 (NGX_HTTP_SSI_MAX_PARAMS + 1) * sizeof(ngx_str_t *));
|
|
46
|
731
|
|
|
732 param = ctx->params.elts;
|
|
|
733
|
|
|
734 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
735
|
|
|
736 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
737
|
|
|
738 if (param[i].key.len != prm->name.len
|
|
|
739 || ngx_strncmp(param[i].key.data, prm->name.data,
|
|
|
740 prm->name.len) != 0)
|
|
|
741 {
|
|
|
742 continue;
|
|
|
743 }
|
|
|
744
|
|
146
|
745 if (!prm->multiple) {
|
|
|
746 if (params[prm->index]) {
|
|
|
747 ngx_log_error(NGX_LOG_ERR,
|
|
|
748 r->connection->log, 0,
|
|
|
749 "duplicate \"%V\" parameter "
|
|
|
750 "in \"%V\" SSI command",
|
|
|
751 ¶m[i].key, &ctx->command);
|
|
|
752
|
|
|
753 goto ssi_error;
|
|
|
754 }
|
|
|
755
|
|
|
756 params[prm->index] = ¶m[i].value;
|
|
|
757
|
|
|
758 break;
|
|
46
|
759 }
|
|
|
760
|
|
146
|
761 for (index = prm->index; params[index]; index++) {
|
|
|
762 /* void */
|
|
|
763 }
|
|
|
764
|
|
|
765 params[index] = ¶m[i].value;
|
|
46
|
766
|
|
|
767 break;
|
|
|
768 }
|
|
|
769
|
|
|
770 if (prm->name.len == 0) {
|
|
|
771 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
772 "invalid parameter name: \"%V\" "
|
|
|
773 "in \"%V\" SSI command",
|
|
|
774 ¶m[i].key, &ctx->command);
|
|
|
775
|
|
|
776 goto ssi_error;
|
|
|
777 }
|
|
|
778 }
|
|
|
779
|
|
|
780 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
781 if (prm->mandatory && params[prm->index] == 0) {
|
|
|
782 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
783 "mandatory \"%V\" parameter is absent "
|
|
|
784 "in \"%V\" SSI command",
|
|
|
785 &prm->name, &ctx->command);
|
|
|
786
|
|
|
787 goto ssi_error;
|
|
|
788 }
|
|
|
789 }
|
|
|
790
|
|
314
|
791 if (cmd->flush) {
|
|
|
792
|
|
|
793 if (ctx->out) {
|
|
|
794 rc = ngx_http_ssi_output(r, ctx);
|
|
|
795
|
|
|
796 } else {
|
|
|
797 rc = ngx_http_next_body_filter(r, NULL);
|
|
|
798 }
|
|
58
|
799
|
|
|
800 if (rc == NGX_ERROR) {
|
|
|
801 return NGX_ERROR;
|
|
|
802 }
|
|
|
803 }
|
|
|
804
|
|
118
|
805 rc = cmd->handler(r, ctx, params);
|
|
|
806
|
|
|
807 if (rc == NGX_OK) {
|
|
46
|
808 continue;
|
|
|
809 }
|
|
132
|
810
|
|
248
|
811 if (rc == NGX_DONE || rc == NGX_AGAIN || rc == NGX_ERROR) {
|
|
|
812 return rc;
|
|
132
|
813 }
|
|
46
|
814 }
|
|
|
815
|
|
|
816
|
|
|
817 /* rc == NGX_HTTP_SSI_ERROR */
|
|
|
818
|
|
48
|
819 ssi_error:
|
|
46
|
820
|
|
146
|
821 if (slcf->silent_errors) {
|
|
46
|
822 continue;
|
|
|
823 }
|
|
|
824
|
|
48
|
825 if (ctx->free) {
|
|
|
826 cl = ctx->free;
|
|
|
827 ctx->free = ctx->free->next;
|
|
|
828 b = cl->buf;
|
|
|
829 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
830
|
|
|
831 } else {
|
|
|
832 b = ngx_calloc_buf(r->pool);
|
|
|
833 if (b == NULL) {
|
|
|
834 return NGX_ERROR;
|
|
|
835 }
|
|
|
836
|
|
|
837 cl = ngx_alloc_chain_link(r->pool);
|
|
|
838 if (cl == NULL) {
|
|
|
839 return NGX_ERROR;
|
|
|
840 }
|
|
|
841
|
|
|
842 cl->buf = b;
|
|
46
|
843 }
|
|
|
844
|
|
|
845 b->memory = 1;
|
|
96
|
846 b->pos = ctx->errmsg.data;
|
|
|
847 b->last = ctx->errmsg.data + ctx->errmsg.len;
|
|
46
|
848
|
|
|
849 cl->next = NULL;
|
|
|
850 *ctx->last_out = cl;
|
|
|
851 ctx->last_out = &cl->next;
|
|
|
852
|
|
|
853 continue;
|
|
|
854 }
|
|
|
855
|
|
236
|
856 if (ctx->buf->last_buf || ngx_buf_in_memory(ctx->buf)) {
|
|
48
|
857 if (b == NULL) {
|
|
|
858 if (ctx->free) {
|
|
|
859 cl = ctx->free;
|
|
|
860 ctx->free = ctx->free->next;
|
|
|
861 b = cl->buf;
|
|
|
862 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
863
|
|
|
864 } else {
|
|
|
865 b = ngx_calloc_buf(r->pool);
|
|
|
866 if (b == NULL) {
|
|
|
867 return NGX_ERROR;
|
|
|
868 }
|
|
46
|
869
|
|
48
|
870 cl = ngx_alloc_chain_link(r->pool);
|
|
|
871 if (cl == NULL) {
|
|
|
872 return NGX_ERROR;
|
|
|
873 }
|
|
|
874
|
|
|
875 cl->buf = b;
|
|
|
876 }
|
|
|
877
|
|
58
|
878 b->sync = 1;
|
|
|
879
|
|
48
|
880 cl->next = NULL;
|
|
|
881 *ctx->last_out = cl;
|
|
|
882 ctx->last_out = &cl->next;
|
|
|
883 }
|
|
|
884
|
|
|
885 b->last_buf = ctx->buf->last_buf;
|
|
|
886 b->shadow = ctx->buf;
|
|
58
|
887
|
|
146
|
888 if (slcf->ignore_recycled_buffers == 0) {
|
|
58
|
889 b->recycled = ctx->buf->recycled;
|
|
|
890 }
|
|
46
|
891 }
|
|
|
892
|
|
48
|
893 ctx->buf = NULL;
|
|
|
894
|
|
46
|
895 ctx->saved = ctx->looked;
|
|
|
896 }
|
|
|
897
|
|
48
|
898 if (ctx->out == NULL && ctx->busy == NULL) {
|
|
46
|
899 return NGX_OK;
|
|
|
900 }
|
|
|
901
|
|
58
|
902 return ngx_http_ssi_output(r, ctx);
|
|
|
903 }
|
|
|
904
|
|
|
905
|
|
|
906 static ngx_int_t
|
|
|
907 ngx_http_ssi_output(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
908 {
|
|
|
909 ngx_int_t rc;
|
|
|
910 ngx_buf_t *b;
|
|
|
911 ngx_chain_t *cl;
|
|
|
912
|
|
190
|
913 #if 1
|
|
|
914 b = NULL;
|
|
|
915 for (cl = ctx->out; cl; cl = cl->next) {
|
|
192
|
916 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
917 "ssi out: %p %p", cl->buf, cl->buf->pos);
|
|
190
|
918 if (cl->buf == b) {
|
|
|
919 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
920 "the same buf was used in ssi");
|
|
|
921 ngx_debug_point();
|
|
|
922 return NGX_ERROR;
|
|
|
923 }
|
|
|
924 b = cl->buf;
|
|
|
925 }
|
|
|
926 #endif
|
|
|
927
|
|
46
|
928 rc = ngx_http_next_body_filter(r, ctx->out);
|
|
|
929
|
|
48
|
930 if (ctx->busy == NULL) {
|
|
|
931 ctx->busy = ctx->out;
|
|
|
932
|
|
|
933 } else {
|
|
|
934 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ }
|
|
|
935 cl->next = ctx->out;
|
|
|
936 }
|
|
|
937
|
|
46
|
938 ctx->out = NULL;
|
|
|
939 ctx->last_out = &ctx->out;
|
|
|
940
|
|
48
|
941 while (ctx->busy) {
|
|
|
942
|
|
206
|
943 cl = ctx->busy;
|
|
|
944 b = cl->buf;
|
|
48
|
945
|
|
|
946 if (ngx_buf_size(b) != 0) {
|
|
|
947 break;
|
|
|
948 }
|
|
|
949
|
|
|
950 #if (NGX_HAVE_WRITE_ZEROCOPY)
|
|
|
951 if (b->zerocopy_busy) {
|
|
|
952 break;
|
|
|
953 }
|
|
|
954 #endif
|
|
|
955
|
|
|
956 if (b->shadow) {
|
|
|
957 b->shadow->pos = b->shadow->last;
|
|
|
958 }
|
|
|
959
|
|
|
960 ctx->busy = cl->next;
|
|
194
|
961
|
|
|
962 if (ngx_buf_in_memory(b) || b->in_file) {
|
|
|
963 /* add data bufs only to the free buf chain */
|
|
|
964
|
|
|
965 cl->next = ctx->free;
|
|
|
966 ctx->free = cl;
|
|
|
967 }
|
|
48
|
968 }
|
|
|
969
|
|
254
|
970 if (ctx->in || ctx->buf) {
|
|
|
971 r->buffered |= NGX_HTTP_SSI_BUFFERED;
|
|
|
972
|
|
|
973 } else {
|
|
|
974 r->buffered &= ~NGX_HTTP_SSI_BUFFERED;
|
|
|
975 }
|
|
|
976
|
|
46
|
977 return rc;
|
|
|
978 }
|
|
|
979
|
|
|
980
|
|
|
981 static ngx_int_t
|
|
|
982 ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
983 {
|
|
158
|
984 u_char *p, *value, *last, *copy_end, ch;
|
|
46
|
985 size_t looked;
|
|
|
986 ngx_http_ssi_state_e state;
|
|
|
987
|
|
|
988 state = ctx->state;
|
|
|
989 looked = ctx->looked;
|
|
|
990 last = ctx->buf->last;
|
|
|
991 copy_end = ctx->copy_end;
|
|
|
992
|
|
|
993 for (p = ctx->pos; p < last; p++) {
|
|
|
994
|
|
|
995 ch = *p;
|
|
|
996
|
|
|
997 if (state == ssi_start_state) {
|
|
|
998
|
|
|
999 /* the tight loop */
|
|
|
1000
|
|
48
|
1001 for ( ;; ) {
|
|
|
1002 if (ch == '<') {
|
|
|
1003 copy_end = p;
|
|
|
1004 looked = 1;
|
|
|
1005 state = ssi_tag_state;
|
|
|
1006
|
|
|
1007 goto tag_started;
|
|
46
|
1008 }
|
|
|
1009
|
|
48
|
1010 if (++p == last) {
|
|
|
1011 break;
|
|
|
1012 }
|
|
46
|
1013
|
|
48
|
1014 ch = *p;
|
|
46
|
1015 }
|
|
|
1016
|
|
314
|
1017 ctx->state = state;
|
|
46
|
1018 ctx->pos = p;
|
|
|
1019 ctx->looked = looked;
|
|
|
1020 ctx->copy_end = p;
|
|
|
1021
|
|
|
1022 if (ctx->copy_start == NULL) {
|
|
|
1023 ctx->copy_start = ctx->buf->pos;
|
|
|
1024 }
|
|
|
1025
|
|
|
1026 return NGX_AGAIN;
|
|
|
1027
|
|
48
|
1028 tag_started:
|
|
|
1029
|
|
46
|
1030 continue;
|
|
|
1031 }
|
|
|
1032
|
|
|
1033 switch (state) {
|
|
|
1034
|
|
|
1035 case ssi_start_state:
|
|
|
1036 break;
|
|
|
1037
|
|
|
1038 case ssi_tag_state:
|
|
|
1039 switch (ch) {
|
|
|
1040 case '!':
|
|
|
1041 looked = 2;
|
|
|
1042 state = ssi_comment0_state;
|
|
|
1043 break;
|
|
|
1044
|
|
|
1045 case '<':
|
|
|
1046 copy_end = p;
|
|
|
1047 break;
|
|
|
1048
|
|
|
1049 default:
|
|
|
1050 copy_end = p;
|
|
|
1051 looked = 0;
|
|
|
1052 state = ssi_start_state;
|
|
|
1053 break;
|
|
|
1054 }
|
|
|
1055
|
|
|
1056 break;
|
|
|
1057
|
|
|
1058 case ssi_comment0_state:
|
|
|
1059 switch (ch) {
|
|
|
1060 case '-':
|
|
|
1061 looked = 3;
|
|
|
1062 state = ssi_comment1_state;
|
|
|
1063 break;
|
|
|
1064
|
|
|
1065 case '<':
|
|
|
1066 copy_end = p;
|
|
|
1067 looked = 1;
|
|
|
1068 state = ssi_tag_state;
|
|
|
1069 break;
|
|
|
1070
|
|
|
1071 default:
|
|
|
1072 copy_end = p;
|
|
|
1073 looked = 0;
|
|
|
1074 state = ssi_start_state;
|
|
|
1075 break;
|
|
|
1076 }
|
|
|
1077
|
|
|
1078 break;
|
|
|
1079
|
|
|
1080 case ssi_comment1_state:
|
|
|
1081 switch (ch) {
|
|
|
1082 case '-':
|
|
|
1083 looked = 4;
|
|
|
1084 state = ssi_sharp_state;
|
|
|
1085 break;
|
|
|
1086
|
|
|
1087 case '<':
|
|
|
1088 copy_end = p;
|
|
|
1089 looked = 1;
|
|
|
1090 state = ssi_tag_state;
|
|
|
1091 break;
|
|
|
1092
|
|
|
1093 default:
|
|
|
1094 copy_end = p;
|
|
|
1095 looked = 0;
|
|
|
1096 state = ssi_start_state;
|
|
|
1097 break;
|
|
|
1098 }
|
|
|
1099
|
|
|
1100 break;
|
|
|
1101
|
|
|
1102 case ssi_sharp_state:
|
|
|
1103 switch (ch) {
|
|
|
1104 case '#':
|
|
208
|
1105 if (p - ctx->pos < 4) {
|
|
|
1106 ctx->saved = 0;
|
|
|
1107 }
|
|
46
|
1108 looked = 0;
|
|
|
1109 state = ssi_precommand_state;
|
|
|
1110 break;
|
|
|
1111
|
|
|
1112 case '<':
|
|
|
1113 copy_end = p;
|
|
|
1114 looked = 1;
|
|
|
1115 state = ssi_tag_state;
|
|
|
1116 break;
|
|
|
1117
|
|
|
1118 default:
|
|
|
1119 copy_end = p;
|
|
|
1120 looked = 0;
|
|
|
1121 state = ssi_start_state;
|
|
|
1122 break;
|
|
|
1123 }
|
|
|
1124
|
|
|
1125 break;
|
|
|
1126
|
|
|
1127 case ssi_precommand_state:
|
|
|
1128 switch (ch) {
|
|
|
1129 case ' ':
|
|
|
1130 case CR:
|
|
|
1131 case LF:
|
|
|
1132 case '\t':
|
|
|
1133 break;
|
|
|
1134
|
|
|
1135 default:
|
|
|
1136 ctx->command.len = 1;
|
|
382
|
1137 ctx->command.data = ngx_pnalloc(r->pool,
|
|
|
1138 NGX_HTTP_SSI_COMMAND_LEN);
|
|
46
|
1139 if (ctx->command.data == NULL) {
|
|
|
1140 return NGX_ERROR;
|
|
|
1141 }
|
|
|
1142
|
|
|
1143 ctx->command.data[0] = ch;
|
|
158
|
1144
|
|
146
|
1145 ctx->key = 0;
|
|
|
1146 ctx->key = ngx_hash(ctx->key, ch);
|
|
|
1147
|
|
46
|
1148 ctx->params.nelts = 0;
|
|
178
|
1149
|
|
46
|
1150 state = ssi_command_state;
|
|
|
1151 break;
|
|
|
1152 }
|
|
|
1153
|
|
|
1154 break;
|
|
|
1155
|
|
|
1156 case ssi_command_state:
|
|
|
1157 switch (ch) {
|
|
|
1158 case ' ':
|
|
|
1159 case CR:
|
|
|
1160 case LF:
|
|
|
1161 case '\t':
|
|
|
1162 state = ssi_preparam_state;
|
|
|
1163 break;
|
|
|
1164
|
|
|
1165 case '-':
|
|
|
1166 state = ssi_comment_end0_state;
|
|
|
1167 break;
|
|
|
1168
|
|
|
1169 default:
|
|
|
1170 if (ctx->command.len == NGX_HTTP_SSI_COMMAND_LEN) {
|
|
|
1171 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1172 "the \"%V%c...\" SSI command is too long",
|
|
|
1173 &ctx->command, ch);
|
|
46
|
1174
|
|
|
1175 state = ssi_error_state;
|
|
|
1176 break;
|
|
|
1177 }
|
|
158
|
1178
|
|
|
1179 ctx->command.data[ctx->command.len++] = ch;
|
|
|
1180 ctx->key = ngx_hash(ctx->key, ch);
|
|
46
|
1181 }
|
|
|
1182
|
|
|
1183 break;
|
|
|
1184
|
|
|
1185 case ssi_preparam_state:
|
|
|
1186 switch (ch) {
|
|
|
1187 case ' ':
|
|
|
1188 case CR:
|
|
|
1189 case LF:
|
|
|
1190 case '\t':
|
|
|
1191 break;
|
|
|
1192
|
|
|
1193 case '-':
|
|
|
1194 state = ssi_comment_end0_state;
|
|
|
1195 break;
|
|
|
1196
|
|
|
1197 default:
|
|
48
|
1198 ctx->param = ngx_array_push(&ctx->params);
|
|
|
1199 if (ctx->param == NULL) {
|
|
46
|
1200 return NGX_ERROR;
|
|
|
1201 }
|
|
|
1202
|
|
|
1203 ctx->param->key.len = 1;
|
|
382
|
1204 ctx->param->key.data = ngx_pnalloc(r->pool,
|
|
|
1205 NGX_HTTP_SSI_PARAM_LEN);
|
|
46
|
1206 if (ctx->param->key.data == NULL) {
|
|
|
1207 return NGX_ERROR;
|
|
|
1208 }
|
|
|
1209
|
|
|
1210 ctx->param->key.data[0] = ch;
|
|
|
1211
|
|
|
1212 ctx->param->value.len = 0;
|
|
158
|
1213
|
|
|
1214 if (ctx->value_buf == NULL) {
|
|
382
|
1215 ctx->param->value.data = ngx_pnalloc(r->pool,
|
|
|
1216 ctx->value_len);
|
|
158
|
1217 if (ctx->param->value.data == NULL) {
|
|
|
1218 return NGX_ERROR;
|
|
|
1219 }
|
|
|
1220
|
|
|
1221 } else {
|
|
|
1222 ctx->param->value.data = ctx->value_buf;
|
|
46
|
1223 }
|
|
|
1224
|
|
|
1225 state = ssi_param_state;
|
|
|
1226 break;
|
|
|
1227 }
|
|
|
1228
|
|
|
1229 break;
|
|
|
1230
|
|
|
1231 case ssi_param_state:
|
|
|
1232 switch (ch) {
|
|
|
1233 case ' ':
|
|
|
1234 case CR:
|
|
|
1235 case LF:
|
|
|
1236 case '\t':
|
|
|
1237 state = ssi_preequal_state;
|
|
|
1238 break;
|
|
|
1239
|
|
|
1240 case '=':
|
|
|
1241 state = ssi_prevalue_state;
|
|
|
1242 break;
|
|
|
1243
|
|
|
1244 case '-':
|
|
|
1245 state = ssi_error_end0_state;
|
|
|
1246
|
|
|
1247 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
|
1248 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1249 "invalid \"%V\" parameter in \"%V\" SSI command",
|
|
|
1250 &ctx->param->key, &ctx->command);
|
|
|
1251 break;
|
|
|
1252
|
|
|
1253 default:
|
|
|
1254 if (ctx->param->key.len == NGX_HTTP_SSI_PARAM_LEN) {
|
|
|
1255 state = ssi_error_state;
|
|
|
1256 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1257 "too long \"%V%c...\" parameter in "
|
|
46
|
1258 "\"%V\" SSI command",
|
|
158
|
1259 &ctx->param->key, ch, &ctx->command);
|
|
46
|
1260 break;
|
|
|
1261 }
|
|
158
|
1262
|
|
|
1263 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
46
|
1264 }
|
|
|
1265
|
|
|
1266 break;
|
|
|
1267
|
|
|
1268 case ssi_preequal_state:
|
|
|
1269 switch (ch) {
|
|
|
1270 case ' ':
|
|
|
1271 case CR:
|
|
|
1272 case LF:
|
|
|
1273 case '\t':
|
|
|
1274 break;
|
|
|
1275
|
|
|
1276 case '=':
|
|
|
1277 state = ssi_prevalue_state;
|
|
|
1278 break;
|
|
|
1279
|
|
|
1280 default:
|
|
|
1281 if (ch == '-') {
|
|
|
1282 state = ssi_error_end0_state;
|
|
|
1283 } else {
|
|
|
1284 state = ssi_error_state;
|
|
|
1285 }
|
|
|
1286
|
|
|
1287 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1288 "unexpected \"%c\" symbol after \"%V\" "
|
|
|
1289 "parameter in \"%V\" SSI command",
|
|
|
1290 ch, &ctx->param->key, &ctx->command);
|
|
|
1291 break;
|
|
|
1292 }
|
|
|
1293
|
|
|
1294 break;
|
|
|
1295
|
|
|
1296 case ssi_prevalue_state:
|
|
|
1297 switch (ch) {
|
|
|
1298 case ' ':
|
|
|
1299 case CR:
|
|
|
1300 case LF:
|
|
|
1301 case '\t':
|
|
|
1302 break;
|
|
|
1303
|
|
|
1304 case '"':
|
|
|
1305 state = ssi_double_quoted_value_state;
|
|
|
1306 break;
|
|
|
1307
|
|
|
1308 case '\'':
|
|
|
1309 state = ssi_quoted_value_state;
|
|
|
1310 break;
|
|
|
1311
|
|
|
1312 default:
|
|
|
1313 if (ch == '-') {
|
|
|
1314 state = ssi_error_end0_state;
|
|
|
1315 } else {
|
|
|
1316 state = ssi_error_state;
|
|
|
1317 }
|
|
|
1318
|
|
|
1319 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1320 "unexpected \"%c\" symbol before value of "
|
|
|
1321 "\"%V\" parameter in \"%V\" SSI command",
|
|
|
1322 ch, &ctx->param->key, &ctx->command);
|
|
|
1323 break;
|
|
|
1324 }
|
|
|
1325
|
|
|
1326 break;
|
|
|
1327
|
|
|
1328 case ssi_double_quoted_value_state:
|
|
|
1329 switch (ch) {
|
|
108
|
1330 case '"':
|
|
|
1331 state = ssi_postparam_state;
|
|
|
1332 break;
|
|
|
1333
|
|
46
|
1334 case '\\':
|
|
|
1335 ctx->saved_state = ssi_double_quoted_value_state;
|
|
|
1336 state = ssi_quoted_symbol_state;
|
|
108
|
1337
|
|
|
1338 /* fall through */
|
|
46
|
1339
|
|
|
1340 default:
|
|
|
1341 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1342 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1343 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1344 "parameter in \"%V\" SSI command",
|
|
|
1345 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1346 &ctx->command);
|
|
|
1347 state = ssi_error_state;
|
|
|
1348 break;
|
|
|
1349 }
|
|
158
|
1350
|
|
|
1351 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1352 }
|
|
|
1353
|
|
|
1354 break;
|
|
|
1355
|
|
|
1356 case ssi_quoted_value_state:
|
|
|
1357 switch (ch) {
|
|
108
|
1358 case '\'':
|
|
|
1359 state = ssi_postparam_state;
|
|
|
1360 break;
|
|
|
1361
|
|
46
|
1362 case '\\':
|
|
|
1363 ctx->saved_state = ssi_quoted_value_state;
|
|
|
1364 state = ssi_quoted_symbol_state;
|
|
108
|
1365
|
|
|
1366 /* fall through */
|
|
46
|
1367
|
|
|
1368 default:
|
|
|
1369 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1370 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1371 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1372 "parameter in \"%V\" SSI command",
|
|
|
1373 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1374 &ctx->command);
|
|
|
1375 state = ssi_error_state;
|
|
|
1376 break;
|
|
|
1377 }
|
|
158
|
1378
|
|
|
1379 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1380 }
|
|
|
1381
|
|
|
1382 break;
|
|
|
1383
|
|
|
1384 case ssi_quoted_symbol_state:
|
|
108
|
1385 state = ctx->saved_state;
|
|
|
1386
|
|
46
|
1387 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
|
1388
|
|
|
1389 break;
|
|
|
1390
|
|
|
1391 case ssi_postparam_state:
|
|
158
|
1392
|
|
200
|
1393 if (ctx->param->value.len + 1 < ctx->value_len / 2) {
|
|
382
|
1394 value = ngx_pnalloc(r->pool, ctx->param->value.len + 1);
|
|
158
|
1395 if (value == NULL) {
|
|
|
1396 return NGX_ERROR;
|
|
|
1397 }
|
|
|
1398
|
|
|
1399 ngx_memcpy(value, ctx->param->value.data,
|
|
|
1400 ctx->param->value.len);
|
|
|
1401
|
|
|
1402 ctx->value_buf = ctx->param->value.data;
|
|
|
1403 ctx->param->value.data = value;
|
|
|
1404
|
|
|
1405 } else {
|
|
|
1406 ctx->value_buf = NULL;
|
|
|
1407 }
|
|
|
1408
|
|
46
|
1409 switch (ch) {
|
|
|
1410 case ' ':
|
|
|
1411 case CR:
|
|
|
1412 case LF:
|
|
|
1413 case '\t':
|
|
|
1414 state = ssi_preparam_state;
|
|
|
1415 break;
|
|
|
1416
|
|
|
1417 case '-':
|
|
|
1418 state = ssi_comment_end0_state;
|
|
|
1419 break;
|
|
|
1420
|
|
|
1421 default:
|
|
|
1422 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1423 "unexpected \"%c\" symbol after \"%V\" value "
|
|
|
1424 "of \"%V\" parameter in \"%V\" SSI command",
|
|
|
1425 ch, &ctx->param->value, &ctx->param->key,
|
|
|
1426 &ctx->command);
|
|
|
1427 state = ssi_error_state;
|
|
|
1428 break;
|
|
|
1429 }
|
|
|
1430
|
|
|
1431 break;
|
|
|
1432
|
|
|
1433 case ssi_comment_end0_state:
|
|
|
1434 switch (ch) {
|
|
|
1435 case '-':
|
|
|
1436 state = ssi_comment_end1_state;
|
|
|
1437 break;
|
|
|
1438
|
|
|
1439 default:
|
|
|
1440 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1441 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1442 ch, &ctx->command);
|
|
|
1443 state = ssi_error_state;
|
|
|
1444 break;
|
|
|
1445 }
|
|
|
1446
|
|
|
1447 break;
|
|
|
1448
|
|
|
1449 case ssi_comment_end1_state:
|
|
|
1450 switch (ch) {
|
|
|
1451 case '>':
|
|
|
1452 ctx->state = ssi_start_state;
|
|
|
1453 ctx->pos = p + 1;
|
|
|
1454 ctx->looked = looked;
|
|
|
1455 ctx->copy_end = copy_end;
|
|
|
1456
|
|
|
1457 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1458 ctx->copy_start = ctx->buf->pos;
|
|
|
1459 }
|
|
|
1460
|
|
|
1461 return NGX_OK;
|
|
|
1462
|
|
|
1463 default:
|
|
|
1464 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1465 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1466 ch, &ctx->command);
|
|
|
1467 state = ssi_error_state;
|
|
|
1468 break;
|
|
|
1469 }
|
|
|
1470
|
|
|
1471 break;
|
|
|
1472
|
|
|
1473 case ssi_error_state:
|
|
|
1474 switch (ch) {
|
|
|
1475 case '-':
|
|
|
1476 state = ssi_error_end0_state;
|
|
|
1477 break;
|
|
|
1478
|
|
|
1479 default:
|
|
|
1480 break;
|
|
|
1481 }
|
|
|
1482
|
|
|
1483 break;
|
|
|
1484
|
|
|
1485 case ssi_error_end0_state:
|
|
|
1486 switch (ch) {
|
|
|
1487 case '-':
|
|
|
1488 state = ssi_error_end1_state;
|
|
|
1489 break;
|
|
|
1490
|
|
|
1491 default:
|
|
|
1492 state = ssi_error_state;
|
|
|
1493 break;
|
|
|
1494 }
|
|
|
1495
|
|
|
1496 break;
|
|
|
1497
|
|
|
1498 case ssi_error_end1_state:
|
|
|
1499 switch (ch) {
|
|
|
1500 case '>':
|
|
|
1501 ctx->state = ssi_start_state;
|
|
|
1502 ctx->pos = p + 1;
|
|
|
1503 ctx->looked = looked;
|
|
|
1504 ctx->copy_end = copy_end;
|
|
|
1505
|
|
|
1506 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1507 ctx->copy_start = ctx->buf->pos;
|
|
|
1508 }
|
|
|
1509
|
|
|
1510 return NGX_HTTP_SSI_ERROR;
|
|
|
1511
|
|
|
1512 default:
|
|
|
1513 state = ssi_error_state;
|
|
|
1514 break;
|
|
|
1515 }
|
|
|
1516
|
|
|
1517 break;
|
|
|
1518 }
|
|
|
1519 }
|
|
|
1520
|
|
|
1521 ctx->state = state;
|
|
|
1522 ctx->pos = p;
|
|
|
1523 ctx->looked = looked;
|
|
|
1524
|
|
|
1525 ctx->copy_end = (state == ssi_start_state) ? p : copy_end;
|
|
|
1526
|
|
|
1527 if (ctx->copy_start == NULL && ctx->copy_end) {
|
|
|
1528 ctx->copy_start = ctx->buf->pos;
|
|
|
1529 }
|
|
|
1530
|
|
|
1531 return NGX_AGAIN;
|
|
|
1532 }
|
|
|
1533
|
|
|
1534
|
|
102
|
1535 static ngx_str_t *
|
|
160
|
1536 ngx_http_ssi_get_variable(ngx_http_request_t *r, ngx_str_t *name,
|
|
|
1537 ngx_uint_t key)
|
|
102
|
1538 {
|
|
|
1539 ngx_uint_t i;
|
|
248
|
1540 ngx_list_part_t *part;
|
|
102
|
1541 ngx_http_ssi_var_t *var;
|
|
|
1542 ngx_http_ssi_ctx_t *ctx;
|
|
|
1543
|
|
|
1544 ctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
1545
|
|
216
|
1546 if (ctx->variables == NULL) {
|
|
|
1547 return NULL;
|
|
|
1548 }
|
|
|
1549
|
|
248
|
1550 part = &ctx->variables->part;
|
|
|
1551 var = part->elts;
|
|
|
1552
|
|
|
1553 for (i = 0; /* void */ ; i++) {
|
|
|
1554
|
|
|
1555 if (i >= part->nelts) {
|
|
|
1556 if (part->next == NULL) {
|
|
|
1557 break;
|
|
|
1558 }
|
|
250
|
1559
|
|
248
|
1560 part = part->next;
|
|
|
1561 var = part->elts;
|
|
|
1562 i = 0;
|
|
|
1563 }
|
|
|
1564
|
|
102
|
1565 if (name->len != var[i].name.len) {
|
|
|
1566 continue;
|
|
|
1567 }
|
|
|
1568
|
|
160
|
1569 if (key != var[i].key) {
|
|
|
1570 continue;
|
|
|
1571 }
|
|
|
1572
|
|
|
1573 if (ngx_strncmp(name->data, var[i].name.data, name->len) == 0) {
|
|
102
|
1574 return &var[i].value;
|
|
|
1575 }
|
|
|
1576 }
|
|
|
1577
|
|
|
1578 return NULL;
|
|
|
1579 }
|
|
|
1580
|
|
|
1581
|
|
|
1582 static ngx_int_t
|
|
|
1583 ngx_http_ssi_evaluate_string(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1584 ngx_str_t *text, ngx_uint_t flags)
|
|
|
1585 {
|
|
122
|
1586 u_char ch, *p, **value, *data, *part_data;
|
|
|
1587 size_t *size, len, prefix, part_len;
|
|
|
1588 ngx_str_t var, *val;
|
|
160
|
1589 ngx_int_t key;
|
|
392
|
1590 ngx_uint_t i, n, bracket, quoted;
|
|
102
|
1591 ngx_array_t lengths, values;
|
|
|
1592 ngx_http_variable_value_t *vv;
|
|
|
1593
|
|
|
1594 n = ngx_http_script_variables_count(text);
|
|
|
1595
|
|
|
1596 if (n == 0) {
|
|
|
1597
|
|
206
|
1598 data = text->data;
|
|
|
1599 p = data;
|
|
|
1600
|
|
|
1601 if ((flags & NGX_HTTP_SSI_ADD_PREFIX) && text->data[0] != '/') {
|
|
|
1602
|
|
102
|
1603 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1604 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1605 break;
|
|
|
1606 }
|
|
|
1607 }
|
|
|
1608
|
|
|
1609 if (prefix) {
|
|
|
1610 len = prefix + text->len;
|
|
|
1611
|
|
382
|
1612 data = ngx_pnalloc(r->pool, len);
|
|
102
|
1613 if (data == NULL) {
|
|
|
1614 return NGX_ERROR;
|
|
|
1615 }
|
|
|
1616
|
|
122
|
1617 p = ngx_copy(data, r->uri.data, prefix);
|
|
102
|
1618 }
|
|
|
1619 }
|
|
|
1620
|
|
206
|
1621 quoted = 0;
|
|
|
1622
|
|
378
|
1623 for (i = 0; i < text->len; i++) {
|
|
206
|
1624 ch = text->data[i];
|
|
|
1625
|
|
|
1626 if (!quoted) {
|
|
|
1627
|
|
|
1628 if (ch == '\\') {
|
|
|
1629 quoted = 1;
|
|
|
1630 continue;
|
|
|
1631 }
|
|
|
1632
|
|
|
1633 } else {
|
|
|
1634 quoted = 0;
|
|
|
1635
|
|
|
1636 if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') {
|
|
|
1637 *p++ = '\\';
|
|
|
1638 }
|
|
|
1639 }
|
|
|
1640
|
|
|
1641 *p++ = ch;
|
|
|
1642 }
|
|
|
1643
|
|
|
1644 text->len = p - data;
|
|
|
1645 text->data = data;
|
|
|
1646
|
|
102
|
1647 return NGX_OK;
|
|
|
1648 }
|
|
|
1649
|
|
|
1650 if (ngx_array_init(&lengths, r->pool, 8, sizeof(size_t *)) != NGX_OK) {
|
|
|
1651 return NGX_ERROR;
|
|
|
1652 }
|
|
|
1653
|
|
|
1654 if (ngx_array_init(&values, r->pool, 8, sizeof(u_char *)) != NGX_OK) {
|
|
|
1655 return NGX_ERROR;
|
|
|
1656 }
|
|
|
1657
|
|
|
1658 len = 0;
|
|
|
1659 i = 0;
|
|
|
1660
|
|
|
1661 while (i < text->len) {
|
|
|
1662
|
|
|
1663 if (text->data[i] == '$') {
|
|
|
1664
|
|
|
1665 var.len = 0;
|
|
|
1666
|
|
|
1667 if (++i == text->len) {
|
|
|
1668 goto invalid_variable;
|
|
|
1669 }
|
|
|
1670
|
|
|
1671 if (text->data[i] == '{') {
|
|
|
1672 bracket = 1;
|
|
|
1673
|
|
|
1674 if (++i == text->len) {
|
|
|
1675 goto invalid_variable;
|
|
|
1676 }
|
|
|
1677
|
|
|
1678 var.data = &text->data[i];
|
|
|
1679
|
|
|
1680 } else {
|
|
|
1681 bracket = 0;
|
|
|
1682 var.data = &text->data[i];
|
|
|
1683 }
|
|
|
1684
|
|
|
1685 for ( /* void */ ; i < text->len; i++, var.len++) {
|
|
|
1686 ch = text->data[i];
|
|
|
1687
|
|
|
1688 if (ch == '}' && bracket) {
|
|
|
1689 i++;
|
|
|
1690 bracket = 0;
|
|
|
1691 break;
|
|
|
1692 }
|
|
|
1693
|
|
|
1694 if ((ch >= 'A' && ch <= 'Z')
|
|
|
1695 || (ch >= 'a' && ch <= 'z')
|
|
|
1696 || (ch >= '0' && ch <= '9')
|
|
|
1697 || ch == '_')
|
|
|
1698 {
|
|
|
1699 continue;
|
|
|
1700 }
|
|
|
1701
|
|
|
1702 break;
|
|
|
1703 }
|
|
|
1704
|
|
|
1705 if (bracket) {
|
|
|
1706 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1707 "the closing bracket in \"%V\" "
|
|
|
1708 "variable is missing", &var);
|
|
248
|
1709 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1710 }
|
|
|
1711
|
|
126
|
1712 if (var.len == 0) {
|
|
102
|
1713 goto invalid_variable;
|
|
|
1714 }
|
|
|
1715
|
|
392
|
1716 key = ngx_hash_strlow(var.data, var.data, var.len);
|
|
102
|
1717
|
|
160
|
1718 val = ngx_http_ssi_get_variable(r, &var, key);
|
|
102
|
1719
|
|
|
1720 if (val == NULL) {
|
|
184
|
1721 vv = ngx_http_get_variable(r, &var, key,
|
|
|
1722 flags & NGX_HTTP_SSI_EXPR_TEST);
|
|
102
|
1723 if (vv == NULL) {
|
|
|
1724 return NGX_ERROR;
|
|
|
1725 }
|
|
|
1726
|
|
122
|
1727 if (vv->not_found) {
|
|
102
|
1728 continue;
|
|
|
1729 }
|
|
|
1730
|
|
122
|
1731 part_data = vv->data;
|
|
|
1732 part_len = vv->len;
|
|
102
|
1733
|
|
|
1734 } else {
|
|
122
|
1735 part_data = val->data;
|
|
|
1736 part_len = val->len;
|
|
102
|
1737 }
|
|
|
1738
|
|
|
1739 } else {
|
|
122
|
1740 part_data = &text->data[i];
|
|
200
|
1741 quoted = 0;
|
|
122
|
1742
|
|
|
1743 for (p = part_data; i < text->len; i++) {
|
|
108
|
1744 ch = text->data[i];
|
|
|
1745
|
|
200
|
1746 if (!quoted) {
|
|
|
1747
|
|
|
1748 if (ch == '\\') {
|
|
|
1749 quoted = 1;
|
|
|
1750 continue;
|
|
|
1751 }
|
|
|
1752
|
|
|
1753 if (ch == '$') {
|
|
108
|
1754 break;
|
|
|
1755 }
|
|
|
1756
|
|
200
|
1757 } else {
|
|
|
1758 quoted = 0;
|
|
|
1759
|
|
|
1760 if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') {
|
|
|
1761 *p++ = '\\';
|
|
|
1762 }
|
|
108
|
1763 }
|
|
|
1764
|
|
|
1765 *p++ = ch;
|
|
102
|
1766 }
|
|
108
|
1767
|
|
122
|
1768 part_len = p - part_data;
|
|
102
|
1769 }
|
|
|
1770
|
|
122
|
1771 len += part_len;
|
|
102
|
1772
|
|
|
1773 size = ngx_array_push(&lengths);
|
|
|
1774 if (size == NULL) {
|
|
|
1775 return NGX_ERROR;
|
|
|
1776 }
|
|
|
1777
|
|
122
|
1778 *size = part_len;
|
|
102
|
1779
|
|
|
1780 value = ngx_array_push(&values);
|
|
|
1781 if (value == NULL) {
|
|
|
1782 return NGX_ERROR;
|
|
|
1783 }
|
|
|
1784
|
|
122
|
1785 *value = part_data;
|
|
102
|
1786 }
|
|
|
1787
|
|
|
1788 prefix = 0;
|
|
|
1789
|
|
|
1790 size = lengths.elts;
|
|
|
1791 value = values.elts;
|
|
|
1792
|
|
|
1793 if (flags & NGX_HTTP_SSI_ADD_PREFIX) {
|
|
|
1794 for (i = 0; i < values.nelts; i++) {
|
|
|
1795 if (size[i] != 0) {
|
|
|
1796 if (*value[i] != '/') {
|
|
|
1797 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1798 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1799 len += prefix;
|
|
|
1800 break;
|
|
|
1801 }
|
|
|
1802 }
|
|
|
1803 }
|
|
|
1804
|
|
|
1805 break;
|
|
|
1806 }
|
|
|
1807 }
|
|
|
1808 }
|
|
|
1809
|
|
382
|
1810 p = ngx_pnalloc(r->pool, len + ((flags & NGX_HTTP_SSI_ADD_ZERO) ? 1 : 0));
|
|
102
|
1811 if (p == NULL) {
|
|
|
1812 return NGX_ERROR;
|
|
|
1813 }
|
|
|
1814
|
|
|
1815 text->len = len;
|
|
|
1816 text->data = p;
|
|
|
1817
|
|
122
|
1818 p = ngx_copy(p, r->uri.data, prefix);
|
|
102
|
1819
|
|
|
1820 for (i = 0; i < values.nelts; i++) {
|
|
122
|
1821 p = ngx_copy(p, value[i], size[i]);
|
|
102
|
1822 }
|
|
|
1823
|
|
|
1824 return NGX_OK;
|
|
|
1825
|
|
|
1826 invalid_variable:
|
|
|
1827
|
|
|
1828 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1829 "invalid variable name in \"%V\"", text);
|
|
|
1830
|
|
248
|
1831 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1832 }
|
|
|
1833
|
|
|
1834
|
|
|
1835 static ngx_int_t
|
|
|
1836 ngx_http_ssi_include(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1837 ngx_str_t **params)
|
|
|
1838 {
|
|
342
|
1839 u_char *dst, *src;
|
|
|
1840 size_t len;
|
|
248
|
1841 ngx_int_t rc, key;
|
|
|
1842 ngx_str_t *uri, *file, *wait, *set, *stub, args;
|
|
|
1843 ngx_buf_t *b;
|
|
|
1844 ngx_uint_t flags, i;
|
|
250
|
1845 ngx_chain_t *cl, *tl, **ll, *out;
|
|
248
|
1846 ngx_http_request_t *sr;
|
|
|
1847 ngx_http_ssi_var_t *var;
|
|
|
1848 ngx_http_ssi_ctx_t *mctx;
|
|
|
1849 ngx_http_ssi_block_t *bl;
|
|
|
1850 ngx_http_post_subrequest_t *psr;
|
|
102
|
1851
|
|
|
1852 uri = params[NGX_HTTP_SSI_INCLUDE_VIRTUAL];
|
|
|
1853 file = params[NGX_HTTP_SSI_INCLUDE_FILE];
|
|
194
|
1854 wait = params[NGX_HTTP_SSI_INCLUDE_WAIT];
|
|
248
|
1855 set = params[NGX_HTTP_SSI_INCLUDE_SET];
|
|
216
|
1856 stub = params[NGX_HTTP_SSI_INCLUDE_STUB];
|
|
102
|
1857
|
|
|
1858 if (uri && file) {
|
|
|
1859 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1860 "inlcusion may be either virtual=\"%V\" or file=\"%V\"",
|
|
|
1861 uri, file);
|
|
|
1862 return NGX_HTTP_SSI_ERROR;
|
|
|
1863 }
|
|
|
1864
|
|
|
1865 if (uri == NULL && file == NULL) {
|
|
|
1866 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1867 "no parameter in \"include\" SSI command");
|
|
|
1868 return NGX_HTTP_SSI_ERROR;
|
|
|
1869 }
|
|
|
1870
|
|
248
|
1871 if (set && stub) {
|
|
|
1872 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1873 "\"set\" and \"stub\" may not be used together "
|
|
|
1874 "in \"include\" SSI command");
|
|
|
1875 return NGX_HTTP_SSI_ERROR;
|
|
|
1876 }
|
|
|
1877
|
|
194
|
1878 if (wait) {
|
|
|
1879 if (uri == NULL) {
|
|
|
1880 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
216
|
1881 "\"wait\" may not be used with file=\"%V\"", file);
|
|
194
|
1882 return NGX_HTTP_SSI_ERROR;
|
|
|
1883 }
|
|
|
1884
|
|
286
|
1885 if (wait->len == 2
|
|
|
1886 && ngx_strncasecmp(wait->data, (u_char *) "no", 2) == 0)
|
|
|
1887 {
|
|
194
|
1888 wait = NULL;
|
|
|
1889
|
|
286
|
1890 } else if (wait->len != 3
|
|
|
1891 || ngx_strncasecmp(wait->data, (u_char *) "yes", 3) != 0)
|
|
194
|
1892 {
|
|
|
1893 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1894 "invalid value \"%V\" in the \"wait\" parameter",
|
|
216
|
1895 wait);
|
|
194
|
1896 return NGX_HTTP_SSI_ERROR;
|
|
|
1897 }
|
|
|
1898 }
|
|
|
1899
|
|
102
|
1900 if (uri == NULL) {
|
|
|
1901 uri = file;
|
|
|
1902 }
|
|
|
1903
|
|
248
|
1904 rc = ngx_http_ssi_evaluate_string(r, ctx, uri, NGX_HTTP_SSI_ADD_PREFIX);
|
|
|
1905
|
|
|
1906 if (rc != NGX_OK) {
|
|
|
1907 return rc;
|
|
102
|
1908 }
|
|
|
1909
|
|
342
|
1910 dst = uri->data;
|
|
|
1911 src = uri->data;
|
|
|
1912
|
|
|
1913 ngx_unescape_uri(&dst, &src, uri->len, NGX_UNESCAPE_URI);
|
|
|
1914
|
|
|
1915 len = (uri->data + uri->len) - src;
|
|
|
1916 if (len) {
|
|
|
1917 dst = ngx_copy(dst, src, len);
|
|
|
1918 }
|
|
|
1919
|
|
|
1920 uri->len = dst - uri->data;
|
|
|
1921
|
|
|
1922 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1923 "ssi include: \"%V\"", uri);
|
|
|
1924
|
|
102
|
1925 args.len = 0;
|
|
|
1926 args.data = NULL;
|
|
122
|
1927 flags = 0;
|
|
|
1928
|
|
|
1929 if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) {
|
|
|
1930 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1931 }
|
|
|
1932
|
|
248
|
1933 psr = NULL;
|
|
|
1934
|
|
|
1935 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
216
|
1936
|
|
|
1937 if (stub) {
|
|
|
1938 if (mctx->blocks) {
|
|
|
1939 bl = mctx->blocks->elts;
|
|
|
1940 for (i = 0; i < mctx->blocks->nelts; i++) {
|
|
|
1941 if (stub->len == bl[i].name.len
|
|
|
1942 && ngx_strncmp(stub->data, bl[i].name.data, stub->len) == 0)
|
|
|
1943 {
|
|
|
1944 goto found;
|
|
|
1945 }
|
|
|
1946 }
|
|
|
1947 }
|
|
|
1948
|
|
|
1949 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1950 "\"stub\"=\"%V\" for \"include\" not found", stub);
|
|
|
1951 return NGX_HTTP_SSI_ERROR;
|
|
|
1952
|
|
|
1953 found:
|
|
|
1954
|
|
248
|
1955 psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t));
|
|
|
1956 if (psr == NULL) {
|
|
|
1957 return NGX_ERROR;
|
|
|
1958 }
|
|
|
1959
|
|
|
1960 psr->handler = ngx_http_ssi_stub_output;
|
|
|
1961
|
|
216
|
1962 if (bl[i].count++) {
|
|
|
1963
|
|
366
|
1964 out = NULL;
|
|
250
|
1965 ll = &out;
|
|
216
|
1966
|
|
|
1967 for (tl = bl[i].bufs; tl; tl = tl->next) {
|
|
|
1968
|
|
|
1969 if (ctx->free) {
|
|
|
1970 cl = ctx->free;
|
|
|
1971 ctx->free = ctx->free->next;
|
|
|
1972 b = cl->buf;
|
|
|
1973
|
|
|
1974 } else {
|
|
|
1975 b = ngx_alloc_buf(r->pool);
|
|
|
1976 if (b == NULL) {
|
|
|
1977 return NGX_ERROR;
|
|
|
1978 }
|
|
|
1979
|
|
|
1980 cl = ngx_alloc_chain_link(r->pool);
|
|
|
1981 if (cl == NULL) {
|
|
|
1982 return NGX_ERROR;
|
|
|
1983 }
|
|
|
1984
|
|
|
1985 cl->buf = b;
|
|
|
1986 }
|
|
|
1987
|
|
|
1988 ngx_memcpy(b, tl->buf, sizeof(ngx_buf_t));
|
|
|
1989
|
|
|
1990 b->pos = b->start;
|
|
|
1991
|
|
|
1992 *ll = cl;
|
|
|
1993 cl->next = NULL;
|
|
|
1994 ll = &cl->next;
|
|
|
1995 }
|
|
|
1996
|
|
250
|
1997 psr->data = out;
|
|
|
1998
|
|
216
|
1999 } else {
|
|
248
|
2000 psr->data = bl[i].bufs;
|
|
216
|
2001 }
|
|
|
2002 }
|
|
|
2003
|
|
248
|
2004 if (set) {
|
|
392
|
2005 key = ngx_hash_strlow(set->data, set->data, set->len);
|
|
248
|
2006
|
|
|
2007 psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t));
|
|
|
2008 if (psr == NULL) {
|
|
|
2009 return NGX_ERROR;
|
|
|
2010 }
|
|
|
2011
|
|
|
2012 psr->handler = ngx_http_ssi_set_variable;
|
|
|
2013 psr->data = ngx_http_ssi_get_variable(r, set, key);
|
|
|
2014
|
|
|
2015 if (psr->data == NULL) {
|
|
|
2016
|
|
|
2017 if (mctx->variables == NULL) {
|
|
|
2018 mctx->variables = ngx_list_create(r->pool, 4,
|
|
|
2019 sizeof(ngx_http_ssi_var_t));
|
|
|
2020 if (mctx->variables == NULL) {
|
|
|
2021 return NGX_ERROR;
|
|
|
2022 }
|
|
|
2023 }
|
|
|
2024
|
|
|
2025 var = ngx_list_push(mctx->variables);
|
|
|
2026 if (var == NULL) {
|
|
|
2027 return NGX_ERROR;
|
|
|
2028 }
|
|
|
2029
|
|
|
2030 var->name = *set;
|
|
|
2031 var->key = key;
|
|
|
2032 var->value = ngx_http_ssi_null_string;
|
|
|
2033 psr->data = &var->value;
|
|
|
2034 }
|
|
|
2035
|
|
|
2036 flags |= NGX_HTTP_SUBREQUEST_IN_MEMORY;
|
|
|
2037 }
|
|
|
2038
|
|
|
2039 rc = ngx_http_subrequest(r, uri, &args, &sr, psr, flags);
|
|
|
2040
|
|
|
2041 if (rc == NGX_DONE) {
|
|
|
2042 return NGX_DONE;
|
|
|
2043 }
|
|
194
|
2044
|
|
|
2045 if (rc == NGX_ERROR) {
|
|
102
|
2046 return NGX_HTTP_SSI_ERROR;
|
|
|
2047 }
|
|
|
2048
|
|
248
|
2049 if (wait == NULL && set == NULL) {
|
|
194
|
2050 return NGX_OK;
|
|
|
2051 }
|
|
|
2052
|
|
|
2053 if (rc == NGX_AGAIN) {
|
|
244
|
2054 if (ctx->wait == NULL) {
|
|
|
2055 ctx->wait = sr;
|
|
|
2056
|
|
|
2057 } else {
|
|
|
2058 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2059 "only one subrequest may be waited at the same time");
|
|
|
2060 }
|
|
194
|
2061 }
|
|
|
2062
|
|
|
2063 return rc;
|
|
102
|
2064 }
|
|
|
2065
|
|
|
2066
|
|
46
|
2067 static ngx_int_t
|
|
248
|
2068 ngx_http_ssi_stub_output(ngx_http_request_t *r, void *data, ngx_int_t rc)
|
|
|
2069 {
|
|
|
2070 ngx_chain_t *out;
|
|
|
2071
|
|
|
2072 if (rc == NGX_ERROR || r->connection->error || r->request_output) {
|
|
|
2073 return rc;
|
|
|
2074 }
|
|
|
2075
|
|
|
2076 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2077 "ssi stub output: \"%V?%V\"", &r->uri, &r->args);
|
|
|
2078
|
|
|
2079 out = data;
|
|
|
2080
|
|
|
2081 if (!r->header_sent) {
|
|
|
2082 if (ngx_http_set_content_type(r) == NGX_ERROR) {
|
|
|
2083 return NGX_ERROR;
|
|
|
2084 }
|
|
|
2085
|
|
|
2086 if (ngx_http_send_header(r) == NGX_ERROR) {
|
|
|
2087 return NGX_ERROR;
|
|
|
2088 }
|
|
|
2089 }
|
|
|
2090
|
|
|
2091 return ngx_http_output_filter(r, out);
|
|
|
2092 }
|
|
|
2093
|
|
|
2094
|
|
|
2095 static ngx_int_t
|
|
|
2096 ngx_http_ssi_set_variable(ngx_http_request_t *r, void *data, ngx_int_t rc)
|
|
|
2097 {
|
|
|
2098 ngx_str_t *value = data;
|
|
|
2099
|
|
|
2100 if (r->upstream) {
|
|
|
2101 value->len = r->upstream->buffer.last - r->upstream->buffer.pos;
|
|
|
2102 value->data = r->upstream->buffer.pos;
|
|
|
2103 }
|
|
|
2104
|
|
|
2105 return rc;
|
|
|
2106 }
|
|
|
2107
|
|
|
2108
|
|
|
2109 static ngx_int_t
|
|
46
|
2110 ngx_http_ssi_echo(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2111 ngx_str_t **params)
|
|
|
2112 {
|
|
340
|
2113 u_char *p;
|
|
|
2114 uintptr_t len;
|
|
160
|
2115 ngx_int_t key;
|
|
48
|
2116 ngx_buf_t *b;
|
|
340
|
2117 ngx_str_t *var, *value, *enc, text;
|
|
48
|
2118 ngx_chain_t *cl;
|
|
50
|
2119 ngx_http_variable_value_t *vv;
|
|
46
|
2120
|
|
|
2121 var = params[NGX_HTTP_SSI_ECHO_VAR];
|
|
|
2122
|
|
192
|
2123 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2124 "ssi echo \"%V\"", var);
|
|
|
2125
|
|
392
|
2126 key = ngx_hash_strlow(var->data, var->data, var->len);
|
|
160
|
2127
|
|
|
2128 value = ngx_http_ssi_get_variable(r, var, key);
|
|
102
|
2129
|
|
|
2130 if (value == NULL) {
|
|
184
|
2131 vv = ngx_http_get_variable(r, var, key, 1);
|
|
102
|
2132
|
|
|
2133 if (vv == NULL) {
|
|
|
2134 return NGX_HTTP_SSI_ERROR;
|
|
|
2135 }
|
|
|
2136
|
|
122
|
2137 if (!vv->not_found) {
|
|
|
2138 text.data = vv->data;
|
|
|
2139 text.len = vv->len;
|
|
|
2140 value = &text;
|
|
102
|
2141 }
|
|
50
|
2142 }
|
|
46
|
2143
|
|
102
|
2144 if (value == NULL) {
|
|
48
|
2145 value = params[NGX_HTTP_SSI_ECHO_DEFAULT];
|
|
|
2146
|
|
|
2147 if (value == NULL) {
|
|
|
2148 value = &ngx_http_ssi_none;
|
|
|
2149
|
|
|
2150 } else if (value->len == 0) {
|
|
|
2151 return NGX_OK;
|
|
|
2152 }
|
|
|
2153
|
|
|
2154 } else {
|
|
|
2155 if (value->len == 0) {
|
|
|
2156 return NGX_OK;
|
|
|
2157 }
|
|
|
2158 }
|
|
|
2159
|
|
340
|
2160 enc = params[NGX_HTTP_SSI_ECHO_ENCODING];
|
|
|
2161
|
|
|
2162 if (enc) {
|
|
|
2163 if (enc->len == 4 && ngx_strncmp(enc->data, "none", 4) == 0) {
|
|
|
2164
|
|
|
2165 ctx->encoding = NGX_HTTP_SSI_NO_ENCODING;
|
|
|
2166
|
|
|
2167 } else if (enc->len == 3 && ngx_strncmp(enc->data, "url", 3) == 0) {
|
|
|
2168
|
|
|
2169 ctx->encoding = NGX_HTTP_SSI_URL_ENCODING;
|
|
|
2170
|
|
|
2171 } else if (enc->len == 6 && ngx_strncmp(enc->data, "entity", 6) == 0) {
|
|
|
2172
|
|
|
2173 ctx->encoding = NGX_HTTP_SSI_ENTITY_ENCODING;
|
|
|
2174
|
|
|
2175 } else {
|
|
|
2176 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2177 "unknown encoding \"%V\" in the \"echo\" command",
|
|
|
2178 enc);
|
|
|
2179 }
|
|
|
2180 }
|
|
|
2181
|
|
|
2182 switch (ctx->encoding) {
|
|
|
2183
|
|
|
2184 case NGX_HTTP_SSI_NO_ENCODING:
|
|
|
2185 break;
|
|
|
2186
|
|
|
2187 case NGX_HTTP_SSI_URL_ENCODING:
|
|
|
2188 len = 2 * ngx_escape_uri(NULL, value->data, value->len,
|
|
|
2189 NGX_ESCAPE_HTML);
|
|
|
2190
|
|
|
2191 if (len) {
|
|
382
|
2192 p = ngx_pnalloc(r->pool, value->len + len);
|
|
340
|
2193 if (p == NULL) {
|
|
|
2194 return NGX_HTTP_SSI_ERROR;
|
|
|
2195 }
|
|
|
2196
|
|
|
2197 (void) ngx_escape_uri(p, value->data, value->len, NGX_ESCAPE_HTML);
|
|
|
2198
|
|
|
2199 value->len += len;
|
|
|
2200 value->data = p;
|
|
|
2201 }
|
|
|
2202
|
|
|
2203 break;
|
|
|
2204
|
|
|
2205 case NGX_HTTP_SSI_ENTITY_ENCODING:
|
|
|
2206 len = ngx_escape_html(NULL, value->data, value->len);
|
|
|
2207
|
|
|
2208 if (len) {
|
|
382
|
2209 p = ngx_pnalloc(r->pool, value->len + len);
|
|
340
|
2210 if (p == NULL) {
|
|
|
2211 return NGX_HTTP_SSI_ERROR;
|
|
|
2212 }
|
|
|
2213
|
|
|
2214 (void) ngx_escape_html(p, value->data, value->len);
|
|
|
2215
|
|
|
2216 value->len += len;
|
|
|
2217 value->data = p;
|
|
|
2218 }
|
|
|
2219
|
|
|
2220 break;
|
|
|
2221 }
|
|
|
2222
|
|
48
|
2223 b = ngx_calloc_buf(r->pool);
|
|
|
2224 if (b == NULL) {
|
|
|
2225 return NGX_HTTP_SSI_ERROR;
|
|
|
2226 }
|
|
|
2227
|
|
|
2228 cl = ngx_alloc_chain_link(r->pool);
|
|
|
2229 if (cl == NULL) {
|
|
46
|
2230 return NGX_HTTP_SSI_ERROR;
|
|
|
2231 }
|
|
|
2232
|
|
|
2233 b->memory = 1;
|
|
|
2234 b->pos = value->data;
|
|
|
2235 b->last = value->data + value->len;
|
|
|
2236
|
|
|
2237 cl->buf = b;
|
|
|
2238 cl->next = NULL;
|
|
|
2239 *ctx->last_out = cl;
|
|
|
2240 ctx->last_out = &cl->next;
|
|
|
2241
|
|
|
2242 return NGX_OK;
|
|
|
2243 }
|
|
|
2244
|
|
|
2245
|
|
58
|
2246 static ngx_int_t
|
|
|
2247 ngx_http_ssi_config(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2248 ngx_str_t **params)
|
|
|
2249 {
|
|
|
2250 ngx_str_t *value;
|
|
|
2251
|
|
|
2252 value = params[NGX_HTTP_SSI_CONFIG_TIMEFMT];
|
|
|
2253
|
|
|
2254 if (value) {
|
|
138
|
2255 ctx->timefmt.len = value->len;
|
|
382
|
2256 ctx->timefmt.data = ngx_pnalloc(r->pool, value->len + 1);
|
|
138
|
2257 if (ctx->timefmt.data == NULL) {
|
|
|
2258 return NGX_HTTP_SSI_ERROR;
|
|
|
2259 }
|
|
|
2260
|
|
|
2261 ngx_cpystrn(ctx->timefmt.data, value->data, value->len + 1);
|
|
58
|
2262 }
|
|
|
2263
|
|
96
|
2264 value = params[NGX_HTTP_SSI_CONFIG_ERRMSG];
|
|
|
2265
|
|
|
2266 if (value) {
|
|
|
2267 ctx->errmsg = *value;
|
|
|
2268 }
|
|
|
2269
|
|
58
|
2270 return NGX_OK;
|
|
|
2271 }
|
|
|
2272
|
|
|
2273
|
|
|
2274 static ngx_int_t
|
|
102
|
2275 ngx_http_ssi_set(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
58
|
2276 ngx_str_t **params)
|
|
|
2277 {
|
|
248
|
2278 ngx_int_t key, rc;
|
|
102
|
2279 ngx_str_t *name, *value, *vv;
|
|
|
2280 ngx_http_ssi_var_t *var;
|
|
|
2281 ngx_http_ssi_ctx_t *mctx;
|
|
|
2282
|
|
|
2283 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
2284
|
|
216
|
2285 if (mctx->variables == NULL) {
|
|
248
|
2286 mctx->variables = ngx_list_create(r->pool, 4,
|
|
|
2287 sizeof(ngx_http_ssi_var_t));
|
|
216
|
2288 if (mctx->variables == NULL) {
|
|
248
|
2289 return NGX_ERROR;
|
|
58
|
2290 }
|
|
|
2291 }
|
|
|
2292
|
|
102
|
2293 name = params[NGX_HTTP_SSI_SET_VAR];
|
|
|
2294 value = params[NGX_HTTP_SSI_SET_VALUE];
|
|
|
2295
|
|
192
|
2296 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2297 "ssi set \"%V\" \"%V\"", name, value);
|
|
|
2298
|
|
248
|
2299 rc = ngx_http_ssi_evaluate_string(r, ctx, value, 0);
|
|
|
2300
|
|
|
2301 if (rc != NGX_OK) {
|
|
|
2302 return rc;
|
|
58
|
2303 }
|
|
|
2304
|
|
392
|
2305 key = ngx_hash_strlow(name->data, name->data, name->len);
|
|
160
|
2306
|
|
|
2307 vv = ngx_http_ssi_get_variable(r, name, key);
|
|
102
|
2308
|
|
|
2309 if (vv) {
|
|
|
2310 *vv = *value;
|
|
|
2311 return NGX_OK;
|
|
|
2312 }
|
|
|
2313
|
|
248
|
2314 var = ngx_list_push(mctx->variables);
|
|
102
|
2315 if (var == NULL) {
|
|
248
|
2316 return NGX_ERROR;
|
|
102
|
2317 }
|
|
|
2318
|
|
|
2319 var->name = *name;
|
|
160
|
2320 var->key = key;
|
|
102
|
2321 var->value = *value;
|
|
|
2322
|
|
|
2323 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2324 "set: \"%V\"=\"%V\"", name, value);
|
|
|
2325
|
|
58
|
2326 return NGX_OK;
|
|
|
2327 }
|
|
|
2328
|
|
|
2329
|
|
|
2330 static ngx_int_t
|
|
|
2331 ngx_http_ssi_if(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2332 ngx_str_t **params)
|
|
|
2333 {
|
|
102
|
2334 u_char *p, *last;
|
|
|
2335 ngx_str_t *expr, left, right;
|
|
|
2336 ngx_int_t rc;
|
|
178
|
2337 ngx_uint_t negative, noregex, flags;
|
|
58
|
2338
|
|
178
|
2339 if (ctx->command.len == 2) {
|
|
|
2340 if (ctx->conditional) {
|
|
|
2341 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2342 "the \"if\" command inside the \"if\" command");
|
|
|
2343 return NGX_HTTP_SSI_ERROR;
|
|
|
2344 }
|
|
|
2345 }
|
|
|
2346
|
|
|
2347 if (ctx->output_chosen) {
|
|
|
2348 ctx->output = 0;
|
|
|
2349 return NGX_OK;
|
|
|
2350 }
|
|
|
2351
|
|
58
|
2352 expr = params[NGX_HTTP_SSI_IF_EXPR];
|
|
|
2353
|
|
192
|
2354 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2355 "ssi if expr=\"%V\"", expr);
|
|
|
2356
|
|
102
|
2357 left.data = expr->data;
|
|
100
|
2358 last = expr->data + expr->len;
|
|
|
2359
|
|
102
|
2360 for (p = left.data; p < last; p++) {
|
|
100
|
2361 if (*p >= 'A' && *p <= 'Z') {
|
|
|
2362 *p |= 0x20;
|
|
|
2363 continue;
|
|
|
2364 }
|
|
58
|
2365
|
|
102
|
2366 if ((*p >= 'a' && *p <= 'z')
|
|
|
2367 || (*p >= '0' && *p <= '9')
|
|
122
|
2368 || *p == '$' || *p == '{' || *p == '}' || *p == '_'
|
|
|
2369 || *p == '"' || *p == '\'')
|
|
102
|
2370 {
|
|
100
|
2371 continue;
|
|
|
2372 }
|
|
|
2373
|
|
|
2374 break;
|
|
|
2375 }
|
|
|
2376
|
|
102
|
2377 left.len = p - left.data;
|
|
100
|
2378
|
|
|
2379 while (p < last && *p == ' ') {
|
|
|
2380 p++;
|
|
58
|
2381 }
|
|
|
2382
|
|
184
|
2383 flags = (p == last) ? NGX_HTTP_SSI_EXPR_TEST : 0;
|
|
|
2384
|
|
102
|
2385 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2386 "left: \"%V\"", &left);
|
|
|
2387
|
|
248
|
2388 rc = ngx_http_ssi_evaluate_string(r, ctx, &left, flags);
|
|
|
2389
|
|
|
2390 if (rc != NGX_OK) {
|
|
|
2391 return rc;
|
|
58
|
2392 }
|
|
|
2393
|
|
102
|
2394 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2395 "evaluted left: \"%V\"", &left);
|
|
|
2396
|
|
100
|
2397 if (p == last) {
|
|
102
|
2398 if (left.len) {
|
|
100
|
2399 ctx->output = 1;
|
|
178
|
2400 ctx->output_chosen = 1;
|
|
100
|
2401
|
|
|
2402 } else {
|
|
|
2403 ctx->output = 0;
|
|
|
2404 }
|
|
|
2405
|
|
178
|
2406 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
2407
|
|
100
|
2408 return NGX_OK;
|
|
|
2409 }
|
|
|
2410
|
|
|
2411 if (p < last && *p == '=') {
|
|
|
2412 negative = 0;
|
|
|
2413 p++;
|
|
|
2414
|
|
|
2415 } else if (p + 1 < last && *p == '!' && *(p + 1) == '=') {
|
|
|
2416 negative = 1;
|
|
|
2417 p += 2;
|
|
|
2418
|
|
|
2419 } else {
|
|
|
2420 goto invalid_expression;
|
|
|
2421 }
|
|
|
2422
|
|
|
2423 while (p < last && *p == ' ') {
|
|
|
2424 p++;
|
|
|
2425 }
|
|
|
2426
|
|
300
|
2427 if (p < last - 1 && *p == '/') {
|
|
100
|
2428 if (*(last - 1) != '/') {
|
|
|
2429 goto invalid_expression;
|
|
|
2430 }
|
|
|
2431
|
|
|
2432 noregex = 0;
|
|
178
|
2433 flags = NGX_HTTP_SSI_ADD_ZERO;
|
|
100
|
2434 last--;
|
|
274
|
2435 p++;
|
|
100
|
2436
|
|
|
2437 } else {
|
|
|
2438 noregex = 1;
|
|
178
|
2439 flags = 0;
|
|
|
2440
|
|
|
2441 if (p < last - 1 && p[0] == '\\' && p[1] == '/') {
|
|
200
|
2442 p++;
|
|
178
|
2443 }
|
|
100
|
2444 }
|
|
|
2445
|
|
|
2446 right.len = last - p;
|
|
|
2447 right.data = p;
|
|
|
2448
|
|
102
|
2449 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2450 "right: \"%V\"", &right);
|
|
|
2451
|
|
248
|
2452 rc = ngx_http_ssi_evaluate_string(r, ctx, &right, flags);
|
|
|
2453
|
|
|
2454 if (rc != NGX_OK) {
|
|
|
2455 return rc;
|
|
100
|
2456 }
|
|
|
2457
|
|
102
|
2458 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2459 "evaluted right: \"%V\"", &right);
|
|
100
|
2460
|
|
|
2461 if (noregex) {
|
|
|
2462 if (left.len != right.len) {
|
|
|
2463 rc = -1;
|
|
|
2464
|
|
|
2465 } else {
|
|
|
2466 rc = ngx_strncmp(left.data, right.data, right.len);
|
|
|
2467 }
|
|
|
2468
|
|
|
2469 } else {
|
|
|
2470 #if (NGX_PCRE)
|
|
356
|
2471 ngx_str_t err;
|
|
|
2472 ngx_regex_t *regex;
|
|
|
2473 u_char errstr[NGX_MAX_CONF_ERRSTR];
|
|
|
2474
|
|
100
|
2475 err.len = NGX_MAX_CONF_ERRSTR;
|
|
|
2476 err.data = errstr;
|
|
|
2477
|
|
|
2478 right.data[right.len] = '\0';
|
|
|
2479
|
|
|
2480 regex = ngx_regex_compile(&right, 0, r->pool, &err);
|
|
|
2481
|
|
|
2482 if (regex == NULL) {
|
|
|
2483 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "%s", err.data);
|
|
|
2484 return NGX_HTTP_SSI_ERROR;
|
|
|
2485 }
|
|
|
2486
|
|
|
2487 rc = ngx_regex_exec(regex, &left, NULL, 0);
|
|
|
2488
|
|
|
2489 if (rc != NGX_REGEX_NO_MATCHED && rc < 0) {
|
|
|
2490 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
2491 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"",
|
|
|
2492 rc, &left, &right);
|
|
|
2493 return NGX_HTTP_SSI_ERROR;
|
|
|
2494 }
|
|
|
2495 #else
|
|
|
2496 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
2497 "the using of the regex \"%V\" in SSI "
|
|
|
2498 "requires PCRE library", &right);
|
|
|
2499
|
|
|
2500 return NGX_HTTP_SSI_ERROR;
|
|
|
2501 #endif
|
|
|
2502 }
|
|
|
2503
|
|
|
2504 if ((rc == 0 && !negative) || (rc != 0 && negative)) {
|
|
58
|
2505 ctx->output = 1;
|
|
178
|
2506 ctx->output_chosen = 1;
|
|
58
|
2507
|
|
|
2508 } else {
|
|
|
2509 ctx->output = 0;
|
|
|
2510 }
|
|
|
2511
|
|
178
|
2512 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
2513
|
|
58
|
2514 return NGX_OK;
|
|
100
|
2515
|
|
|
2516 invalid_expression:
|
|
|
2517
|
|
|
2518 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2519 "invalid expression in \"%V\"", expr);
|
|
|
2520
|
|
|
2521 return NGX_HTTP_SSI_ERROR;
|
|
58
|
2522 }
|
|
|
2523
|
|
|
2524
|
|
|
2525 static ngx_int_t
|
|
|
2526 ngx_http_ssi_else(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 else");
|
|
|
2531
|
|
178
|
2532 if (ctx->output_chosen) {
|
|
|
2533 ctx->output = 0;
|
|
|
2534 } else {
|
|
|
2535 ctx->output = 1;
|
|
|
2536 }
|
|
|
2537
|
|
|
2538 ctx->conditional = NGX_HTTP_SSI_COND_ELSE;
|
|
58
|
2539
|
|
|
2540 return NGX_OK;
|
|
|
2541 }
|
|
|
2542
|
|
|
2543
|
|
|
2544 static ngx_int_t
|
|
|
2545 ngx_http_ssi_endif(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2546 ngx_str_t **params)
|
|
|
2547 {
|
|
192
|
2548 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2549 "ssi endif");
|
|
|
2550
|
|
58
|
2551 ctx->output = 1;
|
|
178
|
2552 ctx->output_chosen = 0;
|
|
|
2553 ctx->conditional = 0;
|
|
58
|
2554
|
|
|
2555 return NGX_OK;
|
|
|
2556 }
|
|
|
2557
|
|
|
2558
|
|
122
|
2559 static ngx_int_t
|
|
216
|
2560 ngx_http_ssi_block(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2561 ngx_str_t **params)
|
|
|
2562 {
|
|
|
2563 ngx_http_ssi_ctx_t *mctx;
|
|
|
2564 ngx_http_ssi_block_t *bl;
|
|
|
2565
|
|
|
2566 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2567 "ssi block");
|
|
|
2568
|
|
|
2569 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
2570
|
|
|
2571 if (mctx->blocks == NULL) {
|
|
|
2572 mctx->blocks = ngx_array_create(r->pool, 4,
|
|
|
2573 sizeof(ngx_http_ssi_block_t));
|
|
|
2574 if (mctx->blocks == NULL) {
|
|
|
2575 return NGX_HTTP_SSI_ERROR;
|
|
|
2576 }
|
|
|
2577 }
|
|
|
2578
|
|
|
2579 bl = ngx_array_push(mctx->blocks);
|
|
|
2580 if (bl == NULL) {
|
|
|
2581 return NGX_HTTP_SSI_ERROR;
|
|
|
2582 }
|
|
|
2583
|
|
|
2584 bl->name = *params[NGX_HTTP_SSI_BLOCK_NAME];
|
|
|
2585 bl->bufs = NULL;
|
|
|
2586 bl->count = 0;
|
|
|
2587
|
|
|
2588 ctx->output = 0;
|
|
|
2589 ctx->block = 1;
|
|
|
2590
|
|
|
2591 return NGX_OK;
|
|
|
2592 }
|
|
|
2593
|
|
|
2594
|
|
|
2595 static ngx_int_t
|
|
|
2596 ngx_http_ssi_endblock(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2597 ngx_str_t **params)
|
|
|
2598 {
|
|
|
2599 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2600 "ssi endblock");
|
|
|
2601
|
|
|
2602 ctx->output = 1;
|
|
|
2603 ctx->block = 0;
|
|
|
2604
|
|
|
2605 return NGX_OK;
|
|
|
2606 }
|
|
|
2607
|
|
|
2608
|
|
|
2609 static ngx_int_t
|
|
122
|
2610 ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
|
|
380
|
2611 ngx_http_variable_value_t *v, uintptr_t gmt)
|
|
58
|
2612 {
|
|
122
|
2613 ngx_http_ssi_ctx_t *ctx;
|
|
|
2614 ngx_time_t *tp;
|
|
|
2615 struct tm tm;
|
|
|
2616 char buf[NGX_HTTP_SSI_DATE_LEN];
|
|
|
2617
|
|
126
|
2618 v->valid = 1;
|
|
340
|
2619 v->no_cacheable = 0;
|
|
122
|
2620 v->not_found = 0;
|
|
58
|
2621
|
|
112
|
2622 tp = ngx_timeofday();
|
|
|
2623
|
|
58
|
2624 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
2625
|
|
340
|
2626 if (ctx == NULL
|
|
|
2627 || (ctx->timefmt.len == sizeof("%s") - 1
|
|
|
2628 && ctx->timefmt.data[0] == '%' && ctx->timefmt.data[1] == 's'))
|
|
58
|
2629 {
|
|
382
|
2630 v->data = ngx_pnalloc(r->pool, NGX_TIME_T_LEN);
|
|
122
|
2631 if (v->data == NULL) {
|
|
|
2632 return NGX_ERROR;
|
|
58
|
2633 }
|
|
|
2634
|
|
122
|
2635 v->len = ngx_sprintf(v->data, "%T", tp->sec + (gmt ? 0 : tp->gmtoff))
|
|
|
2636 - v->data;
|
|
206
|
2637
|
|
122
|
2638 return NGX_OK;
|
|
58
|
2639 }
|
|
|
2640
|
|
|
2641 if (gmt) {
|
|
112
|
2642 ngx_libc_gmtime(tp->sec, &tm);
|
|
58
|
2643 } else {
|
|
112
|
2644 ngx_libc_localtime(tp->sec, &tm);
|
|
58
|
2645 }
|
|
|
2646
|
|
122
|
2647 v->len = strftime(buf, NGX_HTTP_SSI_DATE_LEN,
|
|
|
2648 (char *) ctx->timefmt.data, &tm);
|
|
|
2649 if (v->len == 0) {
|
|
|
2650 return NGX_ERROR;
|
|
58
|
2651 }
|
|
|
2652
|
|
382
|
2653 v->data = ngx_pnalloc(r->pool, v->len);
|
|
122
|
2654 if (v->data == NULL) {
|
|
|
2655 return NGX_ERROR;
|
|
58
|
2656 }
|
|
|
2657
|
|
122
|
2658 ngx_memcpy(v->data, buf, v->len);
|
|
|
2659
|
|
|
2660 return NGX_OK;
|
|
58
|
2661 }
|
|
|
2662
|
|
|
2663
|
|
|
2664 static ngx_int_t
|
|
146
|
2665 ngx_http_ssi_preconfiguration(ngx_conf_t *cf)
|
|
58
|
2666 {
|
|
146
|
2667 ngx_int_t rc;
|
|
|
2668 ngx_http_variable_t *var, *v;
|
|
|
2669 ngx_http_ssi_command_t *cmd;
|
|
|
2670 ngx_http_ssi_main_conf_t *smcf;
|
|
58
|
2671
|
|
|
2672 for (v = ngx_http_ssi_vars; v->name.len; v++) {
|
|
|
2673 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
2674 if (var == NULL) {
|
|
|
2675 return NGX_ERROR;
|
|
|
2676 }
|
|
|
2677
|
|
186
|
2678 var->get_handler = v->get_handler;
|
|
58
|
2679 var->data = v->data;
|
|
|
2680 }
|
|
|
2681
|
|
146
|
2682 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
2683
|
|
|
2684 for (cmd = ngx_http_ssi_commands; cmd->name.len; cmd++) {
|
|
|
2685 rc = ngx_hash_add_key(&smcf->commands, &cmd->name, cmd,
|
|
|
2686 NGX_HASH_READONLY_KEY);
|
|
|
2687
|
|
|
2688 if (rc == NGX_OK) {
|
|
|
2689 continue;
|
|
|
2690 }
|
|
|
2691
|
|
|
2692 if (rc == NGX_BUSY) {
|
|
|
2693 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2694 "conflicting SSI command \"%V\"", &cmd->name);
|
|
|
2695 }
|
|
|
2696
|
|
|
2697 return NGX_ERROR;
|
|
|
2698 }
|
|
|
2699
|
|
126
|
2700 return NGX_OK;
|
|
58
|
2701 }
|
|
|
2702
|
|
|
2703
|
|
46
|
2704 static void *
|
|
146
|
2705 ngx_http_ssi_create_main_conf(ngx_conf_t *cf)
|
|
|
2706 {
|
|
|
2707 ngx_http_ssi_main_conf_t *smcf;
|
|
|
2708
|
|
|
2709 smcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_main_conf_t));
|
|
|
2710 if (smcf == NULL) {
|
|
|
2711 return NGX_CONF_ERROR;
|
|
|
2712 }
|
|
|
2713
|
|
|
2714 smcf->commands.pool = cf->pool;
|
|
|
2715 smcf->commands.temp_pool = cf->temp_pool;
|
|
|
2716
|
|
|
2717 if (ngx_hash_keys_array_init(&smcf->commands, NGX_HASH_SMALL) != NGX_OK) {
|
|
|
2718 return NGX_CONF_ERROR;
|
|
|
2719 }
|
|
|
2720
|
|
|
2721 return smcf;
|
|
|
2722 }
|
|
|
2723
|
|
|
2724
|
|
|
2725 static char *
|
|
|
2726 ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
2727 {
|
|
|
2728 ngx_http_ssi_main_conf_t *smcf = conf;
|
|
|
2729
|
|
|
2730 ngx_hash_init_t hash;
|
|
|
2731
|
|
|
2732 hash.hash = &smcf->hash;
|
|
|
2733 hash.key = ngx_hash_key;
|
|
|
2734 hash.max_size = 1024;
|
|
|
2735 hash.bucket_size = ngx_cacheline_size;
|
|
|
2736 hash.name = "ssi_command_hash";
|
|
|
2737 hash.pool = cf->pool;
|
|
|
2738 hash.temp_pool = NULL;
|
|
|
2739
|
|
|
2740 if (ngx_hash_init(&hash, smcf->commands.keys.elts,
|
|
|
2741 smcf->commands.keys.nelts)
|
|
|
2742 != NGX_OK)
|
|
|
2743 {
|
|
|
2744 return NGX_CONF_ERROR;
|
|
|
2745 }
|
|
|
2746
|
|
|
2747 return NGX_CONF_OK;
|
|
|
2748 }
|
|
|
2749
|
|
|
2750
|
|
|
2751 static void *
|
|
296
|
2752 ngx_http_ssi_create_loc_conf(ngx_conf_t *cf)
|
|
46
|
2753 {
|
|
146
|
2754 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
2755
|
|
|
2756 slcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_loc_conf_t));
|
|
|
2757 if (slcf == NULL) {
|
|
46
|
2758 return NGX_CONF_ERROR;
|
|
|
2759 }
|
|
|
2760
|
|
76
|
2761 /*
|
|
|
2762 * set by ngx_pcalloc():
|
|
|
2763 *
|
|
394
|
2764 * conf->types = { NULL };
|
|
|
2765 * conf->types_keys = NULL;
|
|
76
|
2766 */
|
|
|
2767
|
|
146
|
2768 slcf->enable = NGX_CONF_UNSET;
|
|
|
2769 slcf->silent_errors = NGX_CONF_UNSET;
|
|
|
2770 slcf->ignore_recycled_buffers = NGX_CONF_UNSET;
|
|
|
2771
|
|
|
2772 slcf->min_file_chunk = NGX_CONF_UNSET_SIZE;
|
|
|
2773 slcf->value_len = NGX_CONF_UNSET_SIZE;
|
|
|
2774
|
|
|
2775 return slcf;
|
|
46
|
2776 }
|
|
|
2777
|
|
|
2778
|
|
|
2779 static char *
|
|
296
|
2780 ngx_http_ssi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
46
|
2781 {
|
|
146
|
2782 ngx_http_ssi_loc_conf_t *prev = parent;
|
|
|
2783 ngx_http_ssi_loc_conf_t *conf = child;
|
|
46
|
2784
|
|
|
2785 ngx_conf_merge_value(conf->enable, prev->enable, 0);
|
|
|
2786 ngx_conf_merge_value(conf->silent_errors, prev->silent_errors, 0);
|
|
58
|
2787 ngx_conf_merge_value(conf->ignore_recycled_buffers,
|
|
|
2788 prev->ignore_recycled_buffers, 0);
|
|
46
|
2789
|
|
|
2790 ngx_conf_merge_size_value(conf->min_file_chunk, prev->min_file_chunk, 1024);
|
|
|
2791 ngx_conf_merge_size_value(conf->value_len, prev->value_len, 256);
|
|
|
2792
|
|
394
|
2793 if (ngx_http_merge_types(cf, conf->types_keys, &conf->types,
|
|
|
2794 prev->types_keys, &prev->types,
|
|
|
2795 ngx_http_html_default_types)
|
|
|
2796 != NGX_OK)
|
|
|
2797 {
|
|
|
2798 return NGX_CONF_ERROR;
|
|
76
|
2799 }
|
|
|
2800
|
|
46
|
2801 return NGX_CONF_OK;
|
|
|
2802 }
|
|
|
2803
|
|
|
2804
|
|
|
2805 static ngx_int_t
|
|
230
|
2806 ngx_http_ssi_filter_init(ngx_conf_t *cf)
|
|
46
|
2807 {
|
|
|
2808 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
|
2809 ngx_http_top_header_filter = ngx_http_ssi_header_filter;
|
|
|
2810
|
|
|
2811 ngx_http_next_body_filter = ngx_http_top_body_filter;
|
|
|
2812 ngx_http_top_body_filter = ngx_http_ssi_body_filter;
|
|
|
2813
|
|
|
2814 return NGX_OK;
|
|
|
2815 }
|
