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46
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10
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102
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11 #define NGX_HTTP_SSI_ERROR 1
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12
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13 #define NGX_HTTP_SSI_DATE_LEN 2048
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14
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15 #define NGX_HTTP_SSI_ADD_PREFIX 1
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178
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16 #define NGX_HTTP_SSI_ADD_ZERO 2
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184
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17 #define NGX_HTTP_SSI_EXPR_TEST 4
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58
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18
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46
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19
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20 typedef struct {
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146
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21 ngx_flag_t enable;
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22 ngx_flag_t silent_errors;
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23 ngx_flag_t ignore_recycled_buffers;
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24
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394
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25 ngx_hash_t types;
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146
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26
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27 size_t min_file_chunk;
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28 size_t value_len;
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394
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29
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30 ngx_array_t *types_keys;
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146
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31 } ngx_http_ssi_loc_conf_t;
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102
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32
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33
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34 typedef struct {
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146
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35 ngx_str_t name;
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160
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36 ngx_uint_t key;
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146
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37 ngx_str_t value;
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38 } ngx_http_ssi_var_t;
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46
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39
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40
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216
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41 typedef struct {
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42 ngx_str_t name;
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43 ngx_chain_t *bufs;
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44 ngx_uint_t count;
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45 } ngx_http_ssi_block_t;
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46
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47
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46
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48 typedef enum {
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49 ssi_start_state = 0,
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50 ssi_tag_state,
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51 ssi_comment0_state,
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52 ssi_comment1_state,
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53 ssi_sharp_state,
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54 ssi_precommand_state,
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55 ssi_command_state,
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56 ssi_preparam_state,
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57 ssi_param_state,
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58 ssi_preequal_state,
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59 ssi_prevalue_state,
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60 ssi_double_quoted_value_state,
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61 ssi_quoted_value_state,
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62 ssi_quoted_symbol_state,
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63 ssi_postparam_state,
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64 ssi_comment_end0_state,
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65 ssi_comment_end1_state,
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66 ssi_error_state,
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67 ssi_error_end0_state,
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68 ssi_error_end1_state
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69 } ngx_http_ssi_state_e;
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70
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71
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58
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72 static ngx_int_t ngx_http_ssi_output(ngx_http_request_t *r,
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73 ngx_http_ssi_ctx_t *ctx);
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46
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74 static ngx_int_t ngx_http_ssi_parse(ngx_http_request_t *r,
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75 ngx_http_ssi_ctx_t *ctx);
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102
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76 static ngx_str_t *ngx_http_ssi_get_variable(ngx_http_request_t *r,
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160
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77 ngx_str_t *name, ngx_uint_t key);
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102
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78 static ngx_int_t ngx_http_ssi_evaluate_string(ngx_http_request_t *r,
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79 ngx_http_ssi_ctx_t *ctx, ngx_str_t *text, ngx_uint_t flags);
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80
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81 static ngx_int_t ngx_http_ssi_include(ngx_http_request_t *r,
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82 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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248
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83 static ngx_int_t ngx_http_ssi_stub_output(ngx_http_request_t *r, void *data,
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84 ngx_int_t rc);
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85 static ngx_int_t ngx_http_ssi_set_variable(ngx_http_request_t *r, void *data,
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86 ngx_int_t rc);
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46
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87 static ngx_int_t ngx_http_ssi_echo(ngx_http_request_t *r,
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88 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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58
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89 static ngx_int_t ngx_http_ssi_config(ngx_http_request_t *r,
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90 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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102
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91 static ngx_int_t ngx_http_ssi_set(ngx_http_request_t *r,
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58
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92 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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93 static ngx_int_t ngx_http_ssi_if(ngx_http_request_t *r,
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94 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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95 static ngx_int_t ngx_http_ssi_else(ngx_http_request_t *r,
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96 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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97 static ngx_int_t ngx_http_ssi_endif(ngx_http_request_t *r,
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98 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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216
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99 static ngx_int_t ngx_http_ssi_block(ngx_http_request_t *r,
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100 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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101 static ngx_int_t ngx_http_ssi_endblock(ngx_http_request_t *r,
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102 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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46
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103
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122
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104 static ngx_int_t ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
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380
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105 ngx_http_variable_value_t *v, uintptr_t gmt);
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106
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146
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107 static ngx_int_t ngx_http_ssi_preconfiguration(ngx_conf_t *cf);
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108 static void *ngx_http_ssi_create_main_conf(ngx_conf_t *cf);
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109 static char *ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf);
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296
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110 static void *ngx_http_ssi_create_loc_conf(ngx_conf_t *cf);
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111 static char *ngx_http_ssi_merge_loc_conf(ngx_conf_t *cf,
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46
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112 void *parent, void *child);
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230
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113 static ngx_int_t ngx_http_ssi_filter_init(ngx_conf_t *cf);
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46
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114
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115
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116 static ngx_command_t ngx_http_ssi_filter_commands[] = {
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117
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118 { ngx_string("ssi"),
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230
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119 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
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120 |NGX_CONF_FLAG,
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121 ngx_conf_set_flag_slot,
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122 NGX_HTTP_LOC_CONF_OFFSET,
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123 offsetof(ngx_http_ssi_loc_conf_t, enable),
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124 NULL },
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125
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126 { ngx_string("ssi_silent_errors"),
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127 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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128 ngx_conf_set_flag_slot,
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129 NGX_HTTP_LOC_CONF_OFFSET,
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146
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130 offsetof(ngx_http_ssi_loc_conf_t, silent_errors),
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131 NULL },
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132
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58
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133 { ngx_string("ssi_ignore_recycled_buffers"),
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134 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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135 ngx_conf_set_flag_slot,
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136 NGX_HTTP_LOC_CONF_OFFSET,
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146
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137 offsetof(ngx_http_ssi_loc_conf_t, ignore_recycled_buffers),
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138 NULL },
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139
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46
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140 { ngx_string("ssi_min_file_chunk"),
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141 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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142 ngx_conf_set_size_slot,
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143 NGX_HTTP_LOC_CONF_OFFSET,
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144 offsetof(ngx_http_ssi_loc_conf_t, min_file_chunk),
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145 NULL },
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146
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138
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147 { ngx_string("ssi_value_length"),
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148 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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149 ngx_conf_set_size_slot,
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150 NGX_HTTP_LOC_CONF_OFFSET,
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146
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151 offsetof(ngx_http_ssi_loc_conf_t, value_len),
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138
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152 NULL },
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153
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76
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154 { ngx_string("ssi_types"),
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155 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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394
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156 ngx_http_types_slot,
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76
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157 NGX_HTTP_LOC_CONF_OFFSET,
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394
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158 offsetof(ngx_http_ssi_loc_conf_t, types_keys),
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159 &ngx_http_html_default_types[0] },
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76
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160
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161 ngx_null_command
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162 };
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163
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164
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126
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165
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166 static ngx_http_module_t ngx_http_ssi_filter_module_ctx = {
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146
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167 ngx_http_ssi_preconfiguration, /* preconfiguration */
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230
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168 ngx_http_ssi_filter_init, /* postconfiguration */
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46
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169
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146
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170 ngx_http_ssi_create_main_conf, /* create main configuration */
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171 ngx_http_ssi_init_main_conf, /* init main configuration */
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172
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173 NULL, /* create server configuration */
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174 NULL, /* merge server configuration */
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175
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296
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176 ngx_http_ssi_create_loc_conf, /* create location configuration */
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177 ngx_http_ssi_merge_loc_conf /* merge location configuration */
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126
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178 };
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46
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179
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180
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181 ngx_module_t ngx_http_ssi_filter_module = {
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58
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182 NGX_MODULE_V1,
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183 &ngx_http_ssi_filter_module_ctx, /* module context */
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184 ngx_http_ssi_filter_commands, /* module directives */
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185 NGX_HTTP_MODULE, /* module type */
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90
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186 NULL, /* init master */
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230
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187 NULL, /* init module */
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90
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188 NULL, /* init process */
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189 NULL, /* init thread */
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190 NULL, /* exit thread */
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191 NULL, /* exit process */
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192 NULL, /* exit master */
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193 NGX_MODULE_V1_PADDING
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46
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194 };
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195
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196
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118
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197 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
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198 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
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46
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199
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200
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201 static u_char ngx_http_ssi_string[] = "<!--";
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202
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203 static ngx_str_t ngx_http_ssi_none = ngx_string("(none)");
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248
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204 static ngx_str_t ngx_http_ssi_null_string = ngx_null_string;
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205
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206
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102
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207 #define NGX_HTTP_SSI_INCLUDE_VIRTUAL 0
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208 #define NGX_HTTP_SSI_INCLUDE_FILE 1
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194
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209 #define NGX_HTTP_SSI_INCLUDE_WAIT 2
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248
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210 #define NGX_HTTP_SSI_INCLUDE_SET 3
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211 #define NGX_HTTP_SSI_INCLUDE_STUB 4
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212
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58
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213 #define NGX_HTTP_SSI_ECHO_VAR 0
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214 #define NGX_HTTP_SSI_ECHO_DEFAULT 1
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340
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215 #define NGX_HTTP_SSI_ECHO_ENCODING 2
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216
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96
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217 #define NGX_HTTP_SSI_CONFIG_ERRMSG 0
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218 #define NGX_HTTP_SSI_CONFIG_TIMEFMT 1
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219
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102
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220 #define NGX_HTTP_SSI_SET_VAR 0
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221 #define NGX_HTTP_SSI_SET_VALUE 1
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222
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223 #define NGX_HTTP_SSI_IF_EXPR 0
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224
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216
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225 #define NGX_HTTP_SSI_BLOCK_NAME 0
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226
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227
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102
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228 static ngx_http_ssi_param_t ngx_http_ssi_include_params[] = {
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146
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229 { ngx_string("virtual"), NGX_HTTP_SSI_INCLUDE_VIRTUAL, 0, 0 },
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230 { ngx_string("file"), NGX_HTTP_SSI_INCLUDE_FILE, 0, 0 },
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194
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231 { ngx_string("wait"), NGX_HTTP_SSI_INCLUDE_WAIT, 0, 0 },
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248
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232 { ngx_string("set"), NGX_HTTP_SSI_INCLUDE_SET, 0, 0 },
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216
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233 { ngx_string("stub"), NGX_HTTP_SSI_INCLUDE_STUB, 0, 0 },
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146
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234 { ngx_null_string, 0, 0, 0 }
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102
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235 };
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236
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237
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238 static ngx_http_ssi_param_t ngx_http_ssi_echo_params[] = {
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146
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239 { ngx_string("var"), NGX_HTTP_SSI_ECHO_VAR, 1, 0 },
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240 { ngx_string("default"), NGX_HTTP_SSI_ECHO_DEFAULT, 0, 0 },
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340
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241 { ngx_string("encoding"), NGX_HTTP_SSI_ECHO_ENCODING, 0, 0 },
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146
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242 { ngx_null_string, 0, 0, 0 }
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46
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243 };
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244
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245
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246 static ngx_http_ssi_param_t ngx_http_ssi_config_params[] = {
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146
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247 { ngx_string("errmsg"), NGX_HTTP_SSI_CONFIG_ERRMSG, 0, 0 },
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248 { ngx_string("timefmt"), NGX_HTTP_SSI_CONFIG_TIMEFMT, 0, 0 },
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249 { ngx_null_string, 0, 0, 0 }
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58
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250 };
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251
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252
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102
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253 static ngx_http_ssi_param_t ngx_http_ssi_set_params[] = {
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146
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254 { ngx_string("var"), NGX_HTTP_SSI_SET_VAR, 1, 0 },
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255 { ngx_string("value"), NGX_HTTP_SSI_SET_VALUE, 1, 0 },
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256 { ngx_null_string, 0, 0, 0 }
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102
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257 };
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258
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259
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260 static ngx_http_ssi_param_t ngx_http_ssi_if_params[] = {
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146
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261 { ngx_string("expr"), NGX_HTTP_SSI_IF_EXPR, 1, 0 },
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262 { ngx_null_string, 0, 0, 0 }
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58
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263 };
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264
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265
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216
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266 static ngx_http_ssi_param_t ngx_http_ssi_block_params[] = {
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267 { ngx_string("name"), NGX_HTTP_SSI_BLOCK_NAME, 1, 0 },
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268 { ngx_null_string, 0, 0, 0 }
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269 };
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270
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271
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58
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272 static ngx_http_ssi_param_t ngx_http_ssi_no_params[] = {
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146
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273 { ngx_null_string, 0, 0, 0 }
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58
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274 };
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275
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276
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277 static ngx_http_ssi_command_t ngx_http_ssi_commands[] = {
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102
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278 { ngx_string("include"), ngx_http_ssi_include,
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216
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279 ngx_http_ssi_include_params, 0, 0, 1 },
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280 { ngx_string("echo"), ngx_http_ssi_echo,
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281 ngx_http_ssi_echo_params, 0, 0, 0 },
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58
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282 { ngx_string("config"), ngx_http_ssi_config,
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216
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283 ngx_http_ssi_config_params, 0, 0, 0 },
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284 { ngx_string("set"), ngx_http_ssi_set, ngx_http_ssi_set_params, 0, 0, 0 },
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285
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286 { ngx_string("if"), ngx_http_ssi_if, ngx_http_ssi_if_params, 0, 0, 0 },
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178
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287 { ngx_string("elif"), ngx_http_ssi_if, ngx_http_ssi_if_params,
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216
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288 NGX_HTTP_SSI_COND_IF, 0, 0 },
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178
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289 { ngx_string("else"), ngx_http_ssi_else, ngx_http_ssi_no_params,
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216
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290 NGX_HTTP_SSI_COND_IF, 0, 0 },
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178
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291 { ngx_string("endif"), ngx_http_ssi_endif, ngx_http_ssi_no_params,
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216
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292 NGX_HTTP_SSI_COND_ELSE, 0, 0 },
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293
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294 { ngx_string("block"), ngx_http_ssi_block,
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295 ngx_http_ssi_block_params, 0, 0, 0 },
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296 { ngx_string("endblock"), ngx_http_ssi_endblock,
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297 ngx_http_ssi_no_params, 0, 1, 0 },
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298
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299 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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46
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300 };
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301
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302
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58
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303 static ngx_http_variable_t ngx_http_ssi_vars[] = {
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304
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186
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305 { ngx_string("date_local"), NULL, ngx_http_ssi_date_gmt_local_variable, 0,
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340
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306 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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58
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307
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186
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308 { ngx_string("date_gmt"), NULL, ngx_http_ssi_date_gmt_local_variable, 1,
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340
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309 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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58
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310
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186
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311 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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58
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312 };
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313
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314
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315
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46
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316 static ngx_int_t
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317 ngx_http_ssi_header_filter(ngx_http_request_t *r)
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318 {
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146
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319 ngx_http_ssi_ctx_t *ctx;
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320 ngx_http_ssi_loc_conf_t *slcf;
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321
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|
322 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
|
323
|
|
|
324 if (!slcf->enable
|
|
394
|
325 || r->headers_out.content_length_n == 0
|
|
|
326 || ngx_http_test_content_type(r, &slcf->types) == NULL)
|
|
46
|
327 {
|
|
|
328 return ngx_http_next_header_filter(r);
|
|
|
329 }
|
|
|
330
|
|
48
|
331 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_ssi_ctx_t));
|
|
|
332 if (ctx == NULL) {
|
|
46
|
333 return NGX_ERROR;
|
|
|
334 }
|
|
|
335
|
|
|
336 ngx_http_set_ctx(r, ctx, ngx_http_ssi_filter_module);
|
|
|
337
|
|
|
338
|
|
146
|
339 ctx->value_len = slcf->value_len;
|
|
46
|
340 ctx->last_out = &ctx->out;
|
|
|
341
|
|
340
|
342 ctx->encoding = NGX_HTTP_SSI_ENTITY_ENCODING;
|
|
58
|
343 ctx->output = 1;
|
|
|
344
|
|
46
|
345 ctx->params.elts = ctx->params_array;
|
|
|
346 ctx->params.size = sizeof(ngx_table_elt_t);
|
|
|
347 ctx->params.nalloc = NGX_HTTP_SSI_PARAMS_N;
|
|
|
348 ctx->params.pool = r->pool;
|
|
|
349
|
|
58
|
350 ctx->timefmt.len = sizeof("%A, %d-%b-%Y %H:%M:%S %Z") - 1;
|
|
|
351 ctx->timefmt.data = (u_char *) "%A, %d-%b-%Y %H:%M:%S %Z";
|
|
46
|
352
|
|
96
|
353 ctx->errmsg.len =
|
|
|
354 sizeof("[an error occurred while processing the directive]") - 1;
|
|
|
355 ctx->errmsg.data = (u_char *)
|
|
|
356 "[an error occurred while processing the directive]";
|
|
|
357
|
|
46
|
358 r->filter_need_in_memory = 1;
|
|
|
359
|
|
146
|
360 if (r == r->main) {
|
|
126
|
361 ngx_http_clear_content_length(r);
|
|
|
362 ngx_http_clear_last_modified(r);
|
|
58
|
363 }
|
|
|
364
|
|
46
|
365 return ngx_http_next_header_filter(r);
|
|
|
366 }
|
|
|
367
|
|
|
368
|
|
|
369 static ngx_int_t
|
|
|
370 ngx_http_ssi_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
|
|
|
371 {
|
|
216
|
372 size_t len;
|
|
146
|
373 ngx_int_t rc;
|
|
|
374 ngx_buf_t *b;
|
|
|
375 ngx_uint_t i, index;
|
|
216
|
376 ngx_chain_t *cl, **ll;
|
|
146
|
377 ngx_table_elt_t *param;
|
|
216
|
378 ngx_http_ssi_ctx_t *ctx, *mctx;
|
|
|
379 ngx_http_ssi_block_t *bl;
|
|
146
|
380 ngx_http_ssi_param_t *prm;
|
|
|
381 ngx_http_ssi_command_t *cmd;
|
|
|
382 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
383 ngx_http_ssi_main_conf_t *smcf;
|
|
148
|
384 ngx_str_t *params[NGX_HTTP_SSI_MAX_PARAMS + 1];
|
|
46
|
385
|
|
|
386 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
387
|
|
194
|
388 if (ctx == NULL
|
|
|
389 || (in == NULL
|
|
|
390 && ctx->buf == NULL
|
|
|
391 && ctx->in == NULL
|
|
|
392 && ctx->busy == NULL))
|
|
|
393 {
|
|
46
|
394 return ngx_http_next_body_filter(r, in);
|
|
|
395 }
|
|
|
396
|
|
|
397 /* add the incoming chain to the chain ctx->in */
|
|
|
398
|
|
|
399 if (in) {
|
|
|
400 if (ngx_chain_add_copy(r->pool, &ctx->in, in) == NGX_ERROR) {
|
|
|
401 return NGX_ERROR;
|
|
|
402 }
|
|
|
403 }
|
|
|
404
|
|
426
|
405 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
406 "http ssi filter \"%V?%V\"", &r->uri, &r->args);
|
|
|
407
|
|
194
|
408 if (ctx->wait) {
|
|
426
|
409
|
|
|
410 if (r != r->connection->data) {
|
|
|
411 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
412 "http ssi filter wait \"%V?%V\" non-active",
|
|
|
413 &ctx->wait->uri, &ctx->wait->args);
|
|
|
414
|
|
194
|
415 return NGX_AGAIN;
|
|
|
416 }
|
|
|
417
|
|
426
|
418 if (ctx->wait->done) {
|
|
|
419 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
420 "http ssi filter wait \"%V?%V\" done",
|
|
|
421 &ctx->wait->uri, &ctx->wait->args);
|
|
|
422
|
|
244
|
423 ctx->wait = NULL;
|
|
426
|
424
|
|
|
425 } else {
|
|
|
426 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
427 "http ssi filter wait \"%V?%V\"",
|
|
|
428 &ctx->wait->uri, &ctx->wait->args);
|
|
|
429
|
|
|
430 return ngx_http_next_body_filter(r, NULL);
|
|
244
|
431 }
|
|
194
|
432 }
|
|
|
433
|
|
146
|
434 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
46
|
435
|
|
48
|
436 while (ctx->in || ctx->buf) {
|
|
46
|
437
|
|
48
|
438 if (ctx->buf == NULL ){
|
|
|
439 ctx->buf = ctx->in->buf;
|
|
|
440 ctx->in = ctx->in->next;
|
|
|
441 ctx->pos = ctx->buf->pos;
|
|
|
442 }
|
|
46
|
443
|
|
|
444 if (ctx->state == ssi_start_state) {
|
|
|
445 ctx->copy_start = ctx->pos;
|
|
|
446 ctx->copy_end = ctx->pos;
|
|
|
447 }
|
|
|
448
|
|
48
|
449 b = NULL;
|
|
|
450
|
|
46
|
451 while (ctx->pos < ctx->buf->last) {
|
|
|
452
|
|
|
453 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
454 "saved: %d state: %d", ctx->saved, ctx->state);
|
|
|
455
|
|
|
456 rc = ngx_http_ssi_parse(r, ctx);
|
|
|
457
|
|
|
458 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
459 "parse: %d, looked: %d %p-%p",
|
|
|
460 rc, ctx->looked, ctx->copy_start, ctx->copy_end);
|
|
|
461
|
|
|
462 if (rc == NGX_ERROR) {
|
|
|
463 return rc;
|
|
|
464 }
|
|
|
465
|
|
|
466 if (ctx->copy_start != ctx->copy_end) {
|
|
|
467
|
|
58
|
468 if (ctx->output) {
|
|
|
469
|
|
|
470 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
471 "saved: %d", ctx->saved);
|
|
|
472
|
|
|
473 if (ctx->saved) {
|
|
|
474
|
|
|
475 if (ctx->free) {
|
|
|
476 cl = ctx->free;
|
|
|
477 ctx->free = ctx->free->next;
|
|
|
478 b = cl->buf;
|
|
|
479 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
46
|
480
|
|
58
|
481 } else {
|
|
|
482 b = ngx_calloc_buf(r->pool);
|
|
|
483 if (b == NULL) {
|
|
|
484 return NGX_ERROR;
|
|
|
485 }
|
|
|
486
|
|
|
487 cl = ngx_alloc_chain_link(r->pool);
|
|
|
488 if (cl == NULL) {
|
|
|
489 return NGX_ERROR;
|
|
|
490 }
|
|
|
491
|
|
|
492 cl->buf = b;
|
|
|
493 }
|
|
|
494
|
|
|
495 b->memory = 1;
|
|
|
496 b->pos = ngx_http_ssi_string;
|
|
|
497 b->last = ngx_http_ssi_string + ctx->saved;
|
|
|
498
|
|
|
499 *ctx->last_out = cl;
|
|
|
500 ctx->last_out = &cl->next;
|
|
|
501
|
|
|
502 ctx->saved = 0;
|
|
|
503 }
|
|
48
|
504
|
|
|
505 if (ctx->free) {
|
|
|
506 cl = ctx->free;
|
|
|
507 ctx->free = ctx->free->next;
|
|
|
508 b = cl->buf;
|
|
|
509
|
|
|
510 } else {
|
|
58
|
511 b = ngx_alloc_buf(r->pool);
|
|
48
|
512 if (b == NULL) {
|
|
|
513 return NGX_ERROR;
|
|
|
514 }
|
|
|
515
|
|
|
516 cl = ngx_alloc_chain_link(r->pool);
|
|
|
517 if (cl == NULL) {
|
|
|
518 return NGX_ERROR;
|
|
|
519 }
|
|
|
520
|
|
|
521 cl->buf = b;
|
|
46
|
522 }
|
|
|
523
|
|
58
|
524 ngx_memcpy(b, ctx->buf, sizeof(ngx_buf_t));
|
|
|
525
|
|
62
|
526 b->pos = ctx->copy_start;
|
|
|
527 b->last = ctx->copy_end;
|
|
|
528 b->shadow = NULL;
|
|
58
|
529 b->last_buf = 0;
|
|
|
530 b->recycled = 0;
|
|
46
|
531
|
|
58
|
532 if (b->in_file) {
|
|
146
|
533 if (slcf->min_file_chunk < (size_t) (b->last - b->pos))
|
|
58
|
534 {
|
|
386
|
535 b->file_last = b->file_pos
|
|
|
536 + (b->last - ctx->buf->pos);
|
|
|
537 b->file_pos += b->pos - ctx->buf->pos;
|
|
58
|
538
|
|
|
539 } else {
|
|
|
540 b->in_file = 0;
|
|
|
541 }
|
|
|
542 }
|
|
|
543
|
|
|
544 cl->next = NULL;
|
|
46
|
545 *ctx->last_out = cl;
|
|
|
546 ctx->last_out = &cl->next;
|
|
|
547
|
|
58
|
548 } else {
|
|
216
|
549 if (ctx->block
|
|
|
550 && ctx->saved + (ctx->copy_end - ctx->copy_start))
|
|
|
551 {
|
|
|
552 b = ngx_create_temp_buf(r->pool,
|
|
|
553 ctx->saved + (ctx->copy_end - ctx->copy_start));
|
|
|
554
|
|
|
555 if (b == NULL) {
|
|
|
556 return NGX_ERROR;
|
|
|
557 }
|
|
|
558
|
|
|
559 if (ctx->saved) {
|
|
|
560 b->last = ngx_cpymem(b->pos, ngx_http_ssi_string,
|
|
|
561 ctx->saved);
|
|
|
562 }
|
|
|
563
|
|
|
564 b->last = ngx_cpymem(b->last, ctx->copy_start,
|
|
|
565 ctx->copy_end - ctx->copy_start);
|
|
|
566
|
|
|
567 cl = ngx_alloc_chain_link(r->pool);
|
|
|
568 if (cl == NULL) {
|
|
|
569 return NGX_ERROR;
|
|
|
570 }
|
|
|
571
|
|
|
572 cl->buf = b;
|
|
|
573 cl->next = NULL;
|
|
|
574
|
|
|
575 b = NULL;
|
|
|
576
|
|
|
577 mctx = ngx_http_get_module_ctx(r->main,
|
|
|
578 ngx_http_ssi_filter_module);
|
|
|
579 bl = mctx->blocks->elts;
|
|
|
580 for (ll = &bl[mctx->blocks->nelts - 1].bufs;
|
|
|
581 *ll;
|
|
|
582 ll = &(*ll)->next)
|
|
|
583 {
|
|
|
584 /* void */
|
|
|
585 }
|
|
|
586
|
|
|
587 *ll = cl;
|
|
|
588 }
|
|
|
589
|
|
46
|
590 ctx->saved = 0;
|
|
|
591 }
|
|
|
592 }
|
|
|
593
|
|
|
594 if (ctx->state == ssi_start_state) {
|
|
|
595 ctx->copy_start = ctx->pos;
|
|
|
596 ctx->copy_end = ctx->pos;
|
|
|
597
|
|
|
598 } else {
|
|
|
599 ctx->copy_start = NULL;
|
|
|
600 ctx->copy_end = NULL;
|
|
|
601 }
|
|
|
602
|
|
|
603 if (rc == NGX_AGAIN) {
|
|
|
604 continue;
|
|
|
605 }
|
|
|
606
|
|
|
607
|
|
122
|
608 b = NULL;
|
|
|
609
|
|
46
|
610 if (rc == NGX_OK) {
|
|
|
611
|
|
146
|
612 smcf = ngx_http_get_module_main_conf(r,
|
|
|
613 ngx_http_ssi_filter_module);
|
|
|
614
|
|
|
615 cmd = ngx_hash_find(&smcf->hash, ctx->key, ctx->command.data,
|
|
|
616 ctx->command.len);
|
|
|
617
|
|
|
618 if (cmd == NULL) {
|
|
|
619 if (ctx->output) {
|
|
|
620 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
621 "invalid SSI command: \"%V\"",
|
|
|
622 &ctx->command);
|
|
|
623 goto ssi_error;
|
|
46
|
624 }
|
|
|
625
|
|
146
|
626 continue;
|
|
46
|
627 }
|
|
|
628
|
|
178
|
629 if (cmd->conditional
|
|
|
630 && (ctx->conditional == 0
|
|
|
631 || ctx->conditional > cmd->conditional))
|
|
|
632 {
|
|
|
633 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
634 "invalid context of SSI command: \"%V\"",
|
|
|
635 &ctx->command);
|
|
|
636 goto ssi_error;
|
|
|
637 }
|
|
|
638
|
|
216
|
639 if (!ctx->output && !cmd->block) {
|
|
|
640
|
|
|
641 if (ctx->block) {
|
|
|
642
|
|
|
643 /* reconstruct the SSI command text */
|
|
|
644
|
|
|
645 len = 5 + ctx->command.len + 4;
|
|
|
646
|
|
|
647 param = ctx->params.elts;
|
|
|
648 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
649 len += 1 + param[i].key.len + 2
|
|
|
650 + param[i].value.len + 1;
|
|
|
651 }
|
|
|
652
|
|
|
653 b = ngx_create_temp_buf(r->pool, len);
|
|
|
654
|
|
|
655 if (b == NULL) {
|
|
|
656 return NGX_ERROR;
|
|
|
657 }
|
|
|
658
|
|
|
659 cl = ngx_alloc_chain_link(r->pool);
|
|
|
660 if (cl == NULL) {
|
|
|
661 return NGX_ERROR;
|
|
|
662 }
|
|
|
663
|
|
|
664 cl->buf = b;
|
|
|
665 cl->next = NULL;
|
|
|
666
|
|
|
667 *b->last++ = '<';
|
|
|
668 *b->last++ = '!';
|
|
|
669 *b->last++ = '-';
|
|
|
670 *b->last++ = '-';
|
|
|
671 *b->last++ = '#';
|
|
|
672
|
|
|
673 b->last = ngx_cpymem(b->last, ctx->command.data,
|
|
|
674 ctx->command.len);
|
|
|
675
|
|
|
676 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
677 *b->last++ = ' ';
|
|
|
678 b->last = ngx_cpymem(b->last, param[i].key.data,
|
|
|
679 param[i].key.len);
|
|
|
680 *b->last++ = '=';
|
|
|
681 *b->last++ = '"';
|
|
|
682 b->last = ngx_cpymem(b->last, param[i].value.data,
|
|
|
683 param[i].value.len);
|
|
|
684 *b->last++ = '"';
|
|
|
685 }
|
|
|
686
|
|
|
687 *b->last++ = ' ';
|
|
|
688 *b->last++ = '-';
|
|
|
689 *b->last++ = '-';
|
|
|
690 *b->last++ = '>';
|
|
|
691
|
|
|
692 mctx = ngx_http_get_module_ctx(r->main,
|
|
|
693 ngx_http_ssi_filter_module);
|
|
|
694 bl = mctx->blocks->elts;
|
|
|
695 for (ll = &bl[mctx->blocks->nelts - 1].bufs;
|
|
|
696 *ll;
|
|
|
697 ll = &(*ll)->next)
|
|
|
698 {
|
|
|
699 /* void */
|
|
|
700 }
|
|
|
701
|
|
|
702 *ll = cl;
|
|
|
703
|
|
|
704 b = NULL;
|
|
|
705
|
|
|
706 continue;
|
|
|
707 }
|
|
|
708
|
|
|
709 if (cmd->conditional == 0) {
|
|
|
710 continue;
|
|
|
711 }
|
|
58
|
712 }
|
|
|
713
|
|
146
|
714 if (ctx->params.nelts > NGX_HTTP_SSI_MAX_PARAMS) {
|
|
|
715 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
716 "too many SSI command paramters: \"%V\"",
|
|
|
717 &ctx->command);
|
|
|
718 goto ssi_error;
|
|
|
719 }
|
|
|
720
|
|
46
|
721 ngx_memzero(params,
|
|
148
|
722 (NGX_HTTP_SSI_MAX_PARAMS + 1) * sizeof(ngx_str_t *));
|
|
46
|
723
|
|
|
724 param = ctx->params.elts;
|
|
|
725
|
|
|
726 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
727
|
|
|
728 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
729
|
|
|
730 if (param[i].key.len != prm->name.len
|
|
|
731 || ngx_strncmp(param[i].key.data, prm->name.data,
|
|
|
732 prm->name.len) != 0)
|
|
|
733 {
|
|
|
734 continue;
|
|
|
735 }
|
|
|
736
|
|
146
|
737 if (!prm->multiple) {
|
|
|
738 if (params[prm->index]) {
|
|
|
739 ngx_log_error(NGX_LOG_ERR,
|
|
|
740 r->connection->log, 0,
|
|
|
741 "duplicate \"%V\" parameter "
|
|
|
742 "in \"%V\" SSI command",
|
|
|
743 ¶m[i].key, &ctx->command);
|
|
|
744
|
|
|
745 goto ssi_error;
|
|
|
746 }
|
|
|
747
|
|
|
748 params[prm->index] = ¶m[i].value;
|
|
|
749
|
|
|
750 break;
|
|
46
|
751 }
|
|
|
752
|
|
146
|
753 for (index = prm->index; params[index]; index++) {
|
|
|
754 /* void */
|
|
|
755 }
|
|
|
756
|
|
|
757 params[index] = ¶m[i].value;
|
|
46
|
758
|
|
|
759 break;
|
|
|
760 }
|
|
|
761
|
|
|
762 if (prm->name.len == 0) {
|
|
|
763 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
764 "invalid parameter name: \"%V\" "
|
|
|
765 "in \"%V\" SSI command",
|
|
|
766 ¶m[i].key, &ctx->command);
|
|
|
767
|
|
|
768 goto ssi_error;
|
|
|
769 }
|
|
|
770 }
|
|
|
771
|
|
|
772 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
773 if (prm->mandatory && params[prm->index] == 0) {
|
|
|
774 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
775 "mandatory \"%V\" parameter is absent "
|
|
|
776 "in \"%V\" SSI command",
|
|
|
777 &prm->name, &ctx->command);
|
|
|
778
|
|
|
779 goto ssi_error;
|
|
|
780 }
|
|
|
781 }
|
|
|
782
|
|
426
|
783 if (cmd->flush && ctx->out) {
|
|
|
784
|
|
|
785 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
786 "ssi flush");
|
|
|
787
|
|
|
788 if (ngx_http_ssi_output(r, ctx) == NGX_ERROR) {
|
|
58
|
789 return NGX_ERROR;
|
|
|
790 }
|
|
|
791 }
|
|
|
792
|
|
118
|
793 rc = cmd->handler(r, ctx, params);
|
|
|
794
|
|
|
795 if (rc == NGX_OK) {
|
|
46
|
796 continue;
|
|
|
797 }
|
|
132
|
798
|
|
248
|
799 if (rc == NGX_DONE || rc == NGX_AGAIN || rc == NGX_ERROR) {
|
|
|
800 return rc;
|
|
132
|
801 }
|
|
46
|
802 }
|
|
|
803
|
|
|
804
|
|
|
805 /* rc == NGX_HTTP_SSI_ERROR */
|
|
|
806
|
|
48
|
807 ssi_error:
|
|
46
|
808
|
|
146
|
809 if (slcf->silent_errors) {
|
|
46
|
810 continue;
|
|
|
811 }
|
|
|
812
|
|
48
|
813 if (ctx->free) {
|
|
|
814 cl = ctx->free;
|
|
|
815 ctx->free = ctx->free->next;
|
|
|
816 b = cl->buf;
|
|
|
817 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
818
|
|
|
819 } else {
|
|
|
820 b = ngx_calloc_buf(r->pool);
|
|
|
821 if (b == NULL) {
|
|
|
822 return NGX_ERROR;
|
|
|
823 }
|
|
|
824
|
|
|
825 cl = ngx_alloc_chain_link(r->pool);
|
|
|
826 if (cl == NULL) {
|
|
|
827 return NGX_ERROR;
|
|
|
828 }
|
|
|
829
|
|
|
830 cl->buf = b;
|
|
46
|
831 }
|
|
|
832
|
|
|
833 b->memory = 1;
|
|
96
|
834 b->pos = ctx->errmsg.data;
|
|
|
835 b->last = ctx->errmsg.data + ctx->errmsg.len;
|
|
46
|
836
|
|
|
837 cl->next = NULL;
|
|
|
838 *ctx->last_out = cl;
|
|
|
839 ctx->last_out = &cl->next;
|
|
|
840
|
|
|
841 continue;
|
|
|
842 }
|
|
|
843
|
|
236
|
844 if (ctx->buf->last_buf || ngx_buf_in_memory(ctx->buf)) {
|
|
48
|
845 if (b == NULL) {
|
|
|
846 if (ctx->free) {
|
|
|
847 cl = ctx->free;
|
|
|
848 ctx->free = ctx->free->next;
|
|
|
849 b = cl->buf;
|
|
|
850 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
851
|
|
|
852 } else {
|
|
|
853 b = ngx_calloc_buf(r->pool);
|
|
|
854 if (b == NULL) {
|
|
|
855 return NGX_ERROR;
|
|
|
856 }
|
|
46
|
857
|
|
48
|
858 cl = ngx_alloc_chain_link(r->pool);
|
|
|
859 if (cl == NULL) {
|
|
|
860 return NGX_ERROR;
|
|
|
861 }
|
|
|
862
|
|
|
863 cl->buf = b;
|
|
|
864 }
|
|
|
865
|
|
58
|
866 b->sync = 1;
|
|
|
867
|
|
48
|
868 cl->next = NULL;
|
|
|
869 *ctx->last_out = cl;
|
|
|
870 ctx->last_out = &cl->next;
|
|
|
871 }
|
|
|
872
|
|
|
873 b->last_buf = ctx->buf->last_buf;
|
|
|
874 b->shadow = ctx->buf;
|
|
58
|
875
|
|
146
|
876 if (slcf->ignore_recycled_buffers == 0) {
|
|
58
|
877 b->recycled = ctx->buf->recycled;
|
|
|
878 }
|
|
46
|
879 }
|
|
|
880
|
|
48
|
881 ctx->buf = NULL;
|
|
|
882
|
|
46
|
883 ctx->saved = ctx->looked;
|
|
|
884 }
|
|
|
885
|
|
48
|
886 if (ctx->out == NULL && ctx->busy == NULL) {
|
|
46
|
887 return NGX_OK;
|
|
|
888 }
|
|
|
889
|
|
58
|
890 return ngx_http_ssi_output(r, ctx);
|
|
|
891 }
|
|
|
892
|
|
|
893
|
|
|
894 static ngx_int_t
|
|
|
895 ngx_http_ssi_output(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
896 {
|
|
|
897 ngx_int_t rc;
|
|
|
898 ngx_buf_t *b;
|
|
|
899 ngx_chain_t *cl;
|
|
|
900
|
|
190
|
901 #if 1
|
|
|
902 b = NULL;
|
|
|
903 for (cl = ctx->out; cl; cl = cl->next) {
|
|
192
|
904 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
905 "ssi out: %p %p", cl->buf, cl->buf->pos);
|
|
190
|
906 if (cl->buf == b) {
|
|
|
907 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
908 "the same buf was used in ssi");
|
|
|
909 ngx_debug_point();
|
|
|
910 return NGX_ERROR;
|
|
|
911 }
|
|
|
912 b = cl->buf;
|
|
|
913 }
|
|
|
914 #endif
|
|
|
915
|
|
46
|
916 rc = ngx_http_next_body_filter(r, ctx->out);
|
|
|
917
|
|
48
|
918 if (ctx->busy == NULL) {
|
|
|
919 ctx->busy = ctx->out;
|
|
|
920
|
|
|
921 } else {
|
|
|
922 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ }
|
|
|
923 cl->next = ctx->out;
|
|
|
924 }
|
|
|
925
|
|
46
|
926 ctx->out = NULL;
|
|
|
927 ctx->last_out = &ctx->out;
|
|
|
928
|
|
48
|
929 while (ctx->busy) {
|
|
|
930
|
|
206
|
931 cl = ctx->busy;
|
|
|
932 b = cl->buf;
|
|
48
|
933
|
|
|
934 if (ngx_buf_size(b) != 0) {
|
|
|
935 break;
|
|
|
936 }
|
|
|
937
|
|
|
938 #if (NGX_HAVE_WRITE_ZEROCOPY)
|
|
|
939 if (b->zerocopy_busy) {
|
|
|
940 break;
|
|
|
941 }
|
|
|
942 #endif
|
|
|
943
|
|
|
944 if (b->shadow) {
|
|
|
945 b->shadow->pos = b->shadow->last;
|
|
|
946 }
|
|
|
947
|
|
|
948 ctx->busy = cl->next;
|
|
194
|
949
|
|
|
950 if (ngx_buf_in_memory(b) || b->in_file) {
|
|
|
951 /* add data bufs only to the free buf chain */
|
|
|
952
|
|
|
953 cl->next = ctx->free;
|
|
|
954 ctx->free = cl;
|
|
|
955 }
|
|
48
|
956 }
|
|
|
957
|
|
254
|
958 if (ctx->in || ctx->buf) {
|
|
|
959 r->buffered |= NGX_HTTP_SSI_BUFFERED;
|
|
|
960
|
|
|
961 } else {
|
|
|
962 r->buffered &= ~NGX_HTTP_SSI_BUFFERED;
|
|
|
963 }
|
|
|
964
|
|
46
|
965 return rc;
|
|
|
966 }
|
|
|
967
|
|
|
968
|
|
|
969 static ngx_int_t
|
|
|
970 ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
971 {
|
|
158
|
972 u_char *p, *value, *last, *copy_end, ch;
|
|
46
|
973 size_t looked;
|
|
|
974 ngx_http_ssi_state_e state;
|
|
|
975
|
|
|
976 state = ctx->state;
|
|
|
977 looked = ctx->looked;
|
|
|
978 last = ctx->buf->last;
|
|
|
979 copy_end = ctx->copy_end;
|
|
|
980
|
|
|
981 for (p = ctx->pos; p < last; p++) {
|
|
|
982
|
|
|
983 ch = *p;
|
|
|
984
|
|
|
985 if (state == ssi_start_state) {
|
|
|
986
|
|
|
987 /* the tight loop */
|
|
|
988
|
|
48
|
989 for ( ;; ) {
|
|
|
990 if (ch == '<') {
|
|
|
991 copy_end = p;
|
|
|
992 looked = 1;
|
|
|
993 state = ssi_tag_state;
|
|
|
994
|
|
|
995 goto tag_started;
|
|
46
|
996 }
|
|
|
997
|
|
48
|
998 if (++p == last) {
|
|
|
999 break;
|
|
|
1000 }
|
|
46
|
1001
|
|
48
|
1002 ch = *p;
|
|
46
|
1003 }
|
|
|
1004
|
|
314
|
1005 ctx->state = state;
|
|
46
|
1006 ctx->pos = p;
|
|
|
1007 ctx->looked = looked;
|
|
|
1008 ctx->copy_end = p;
|
|
|
1009
|
|
|
1010 if (ctx->copy_start == NULL) {
|
|
|
1011 ctx->copy_start = ctx->buf->pos;
|
|
|
1012 }
|
|
|
1013
|
|
|
1014 return NGX_AGAIN;
|
|
|
1015
|
|
48
|
1016 tag_started:
|
|
|
1017
|
|
46
|
1018 continue;
|
|
|
1019 }
|
|
|
1020
|
|
|
1021 switch (state) {
|
|
|
1022
|
|
|
1023 case ssi_start_state:
|
|
|
1024 break;
|
|
|
1025
|
|
|
1026 case ssi_tag_state:
|
|
|
1027 switch (ch) {
|
|
|
1028 case '!':
|
|
|
1029 looked = 2;
|
|
|
1030 state = ssi_comment0_state;
|
|
|
1031 break;
|
|
|
1032
|
|
|
1033 case '<':
|
|
|
1034 copy_end = p;
|
|
|
1035 break;
|
|
|
1036
|
|
|
1037 default:
|
|
|
1038 copy_end = p;
|
|
|
1039 looked = 0;
|
|
|
1040 state = ssi_start_state;
|
|
|
1041 break;
|
|
|
1042 }
|
|
|
1043
|
|
|
1044 break;
|
|
|
1045
|
|
|
1046 case ssi_comment0_state:
|
|
|
1047 switch (ch) {
|
|
|
1048 case '-':
|
|
|
1049 looked = 3;
|
|
|
1050 state = ssi_comment1_state;
|
|
|
1051 break;
|
|
|
1052
|
|
|
1053 case '<':
|
|
|
1054 copy_end = p;
|
|
|
1055 looked = 1;
|
|
|
1056 state = ssi_tag_state;
|
|
|
1057 break;
|
|
|
1058
|
|
|
1059 default:
|
|
|
1060 copy_end = p;
|
|
|
1061 looked = 0;
|
|
|
1062 state = ssi_start_state;
|
|
|
1063 break;
|
|
|
1064 }
|
|
|
1065
|
|
|
1066 break;
|
|
|
1067
|
|
|
1068 case ssi_comment1_state:
|
|
|
1069 switch (ch) {
|
|
|
1070 case '-':
|
|
|
1071 looked = 4;
|
|
|
1072 state = ssi_sharp_state;
|
|
|
1073 break;
|
|
|
1074
|
|
|
1075 case '<':
|
|
|
1076 copy_end = p;
|
|
|
1077 looked = 1;
|
|
|
1078 state = ssi_tag_state;
|
|
|
1079 break;
|
|
|
1080
|
|
|
1081 default:
|
|
|
1082 copy_end = p;
|
|
|
1083 looked = 0;
|
|
|
1084 state = ssi_start_state;
|
|
|
1085 break;
|
|
|
1086 }
|
|
|
1087
|
|
|
1088 break;
|
|
|
1089
|
|
|
1090 case ssi_sharp_state:
|
|
|
1091 switch (ch) {
|
|
|
1092 case '#':
|
|
208
|
1093 if (p - ctx->pos < 4) {
|
|
|
1094 ctx->saved = 0;
|
|
|
1095 }
|
|
46
|
1096 looked = 0;
|
|
|
1097 state = ssi_precommand_state;
|
|
|
1098 break;
|
|
|
1099
|
|
|
1100 case '<':
|
|
|
1101 copy_end = p;
|
|
|
1102 looked = 1;
|
|
|
1103 state = ssi_tag_state;
|
|
|
1104 break;
|
|
|
1105
|
|
|
1106 default:
|
|
|
1107 copy_end = p;
|
|
|
1108 looked = 0;
|
|
|
1109 state = ssi_start_state;
|
|
|
1110 break;
|
|
|
1111 }
|
|
|
1112
|
|
|
1113 break;
|
|
|
1114
|
|
|
1115 case ssi_precommand_state:
|
|
|
1116 switch (ch) {
|
|
|
1117 case ' ':
|
|
|
1118 case CR:
|
|
|
1119 case LF:
|
|
|
1120 case '\t':
|
|
|
1121 break;
|
|
|
1122
|
|
|
1123 default:
|
|
|
1124 ctx->command.len = 1;
|
|
382
|
1125 ctx->command.data = ngx_pnalloc(r->pool,
|
|
|
1126 NGX_HTTP_SSI_COMMAND_LEN);
|
|
46
|
1127 if (ctx->command.data == NULL) {
|
|
|
1128 return NGX_ERROR;
|
|
|
1129 }
|
|
|
1130
|
|
|
1131 ctx->command.data[0] = ch;
|
|
158
|
1132
|
|
146
|
1133 ctx->key = 0;
|
|
|
1134 ctx->key = ngx_hash(ctx->key, ch);
|
|
|
1135
|
|
46
|
1136 ctx->params.nelts = 0;
|
|
178
|
1137
|
|
46
|
1138 state = ssi_command_state;
|
|
|
1139 break;
|
|
|
1140 }
|
|
|
1141
|
|
|
1142 break;
|
|
|
1143
|
|
|
1144 case ssi_command_state:
|
|
|
1145 switch (ch) {
|
|
|
1146 case ' ':
|
|
|
1147 case CR:
|
|
|
1148 case LF:
|
|
|
1149 case '\t':
|
|
|
1150 state = ssi_preparam_state;
|
|
|
1151 break;
|
|
|
1152
|
|
|
1153 case '-':
|
|
|
1154 state = ssi_comment_end0_state;
|
|
|
1155 break;
|
|
|
1156
|
|
|
1157 default:
|
|
|
1158 if (ctx->command.len == NGX_HTTP_SSI_COMMAND_LEN) {
|
|
|
1159 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1160 "the \"%V%c...\" SSI command is too long",
|
|
|
1161 &ctx->command, ch);
|
|
46
|
1162
|
|
|
1163 state = ssi_error_state;
|
|
|
1164 break;
|
|
|
1165 }
|
|
158
|
1166
|
|
|
1167 ctx->command.data[ctx->command.len++] = ch;
|
|
|
1168 ctx->key = ngx_hash(ctx->key, ch);
|
|
46
|
1169 }
|
|
|
1170
|
|
|
1171 break;
|
|
|
1172
|
|
|
1173 case ssi_preparam_state:
|
|
|
1174 switch (ch) {
|
|
|
1175 case ' ':
|
|
|
1176 case CR:
|
|
|
1177 case LF:
|
|
|
1178 case '\t':
|
|
|
1179 break;
|
|
|
1180
|
|
|
1181 case '-':
|
|
|
1182 state = ssi_comment_end0_state;
|
|
|
1183 break;
|
|
|
1184
|
|
|
1185 default:
|
|
48
|
1186 ctx->param = ngx_array_push(&ctx->params);
|
|
|
1187 if (ctx->param == NULL) {
|
|
46
|
1188 return NGX_ERROR;
|
|
|
1189 }
|
|
|
1190
|
|
|
1191 ctx->param->key.len = 1;
|
|
382
|
1192 ctx->param->key.data = ngx_pnalloc(r->pool,
|
|
|
1193 NGX_HTTP_SSI_PARAM_LEN);
|
|
46
|
1194 if (ctx->param->key.data == NULL) {
|
|
|
1195 return NGX_ERROR;
|
|
|
1196 }
|
|
|
1197
|
|
|
1198 ctx->param->key.data[0] = ch;
|
|
|
1199
|
|
|
1200 ctx->param->value.len = 0;
|
|
158
|
1201
|
|
|
1202 if (ctx->value_buf == NULL) {
|
|
382
|
1203 ctx->param->value.data = ngx_pnalloc(r->pool,
|
|
|
1204 ctx->value_len);
|
|
158
|
1205 if (ctx->param->value.data == NULL) {
|
|
|
1206 return NGX_ERROR;
|
|
|
1207 }
|
|
|
1208
|
|
|
1209 } else {
|
|
|
1210 ctx->param->value.data = ctx->value_buf;
|
|
46
|
1211 }
|
|
|
1212
|
|
|
1213 state = ssi_param_state;
|
|
|
1214 break;
|
|
|
1215 }
|
|
|
1216
|
|
|
1217 break;
|
|
|
1218
|
|
|
1219 case ssi_param_state:
|
|
|
1220 switch (ch) {
|
|
|
1221 case ' ':
|
|
|
1222 case CR:
|
|
|
1223 case LF:
|
|
|
1224 case '\t':
|
|
|
1225 state = ssi_preequal_state;
|
|
|
1226 break;
|
|
|
1227
|
|
|
1228 case '=':
|
|
|
1229 state = ssi_prevalue_state;
|
|
|
1230 break;
|
|
|
1231
|
|
|
1232 case '-':
|
|
|
1233 state = ssi_error_end0_state;
|
|
|
1234
|
|
|
1235 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
|
1236 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1237 "invalid \"%V\" parameter in \"%V\" SSI command",
|
|
|
1238 &ctx->param->key, &ctx->command);
|
|
|
1239 break;
|
|
|
1240
|
|
|
1241 default:
|
|
|
1242 if (ctx->param->key.len == NGX_HTTP_SSI_PARAM_LEN) {
|
|
|
1243 state = ssi_error_state;
|
|
|
1244 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1245 "too long \"%V%c...\" parameter in "
|
|
46
|
1246 "\"%V\" SSI command",
|
|
158
|
1247 &ctx->param->key, ch, &ctx->command);
|
|
46
|
1248 break;
|
|
|
1249 }
|
|
158
|
1250
|
|
|
1251 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
46
|
1252 }
|
|
|
1253
|
|
|
1254 break;
|
|
|
1255
|
|
|
1256 case ssi_preequal_state:
|
|
|
1257 switch (ch) {
|
|
|
1258 case ' ':
|
|
|
1259 case CR:
|
|
|
1260 case LF:
|
|
|
1261 case '\t':
|
|
|
1262 break;
|
|
|
1263
|
|
|
1264 case '=':
|
|
|
1265 state = ssi_prevalue_state;
|
|
|
1266 break;
|
|
|
1267
|
|
|
1268 default:
|
|
|
1269 if (ch == '-') {
|
|
|
1270 state = ssi_error_end0_state;
|
|
|
1271 } else {
|
|
|
1272 state = ssi_error_state;
|
|
|
1273 }
|
|
|
1274
|
|
|
1275 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1276 "unexpected \"%c\" symbol after \"%V\" "
|
|
|
1277 "parameter in \"%V\" SSI command",
|
|
|
1278 ch, &ctx->param->key, &ctx->command);
|
|
|
1279 break;
|
|
|
1280 }
|
|
|
1281
|
|
|
1282 break;
|
|
|
1283
|
|
|
1284 case ssi_prevalue_state:
|
|
|
1285 switch (ch) {
|
|
|
1286 case ' ':
|
|
|
1287 case CR:
|
|
|
1288 case LF:
|
|
|
1289 case '\t':
|
|
|
1290 break;
|
|
|
1291
|
|
|
1292 case '"':
|
|
|
1293 state = ssi_double_quoted_value_state;
|
|
|
1294 break;
|
|
|
1295
|
|
|
1296 case '\'':
|
|
|
1297 state = ssi_quoted_value_state;
|
|
|
1298 break;
|
|
|
1299
|
|
|
1300 default:
|
|
|
1301 if (ch == '-') {
|
|
|
1302 state = ssi_error_end0_state;
|
|
|
1303 } else {
|
|
|
1304 state = ssi_error_state;
|
|
|
1305 }
|
|
|
1306
|
|
|
1307 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1308 "unexpected \"%c\" symbol before value of "
|
|
|
1309 "\"%V\" parameter in \"%V\" SSI command",
|
|
|
1310 ch, &ctx->param->key, &ctx->command);
|
|
|
1311 break;
|
|
|
1312 }
|
|
|
1313
|
|
|
1314 break;
|
|
|
1315
|
|
|
1316 case ssi_double_quoted_value_state:
|
|
|
1317 switch (ch) {
|
|
108
|
1318 case '"':
|
|
|
1319 state = ssi_postparam_state;
|
|
|
1320 break;
|
|
|
1321
|
|
46
|
1322 case '\\':
|
|
|
1323 ctx->saved_state = ssi_double_quoted_value_state;
|
|
|
1324 state = ssi_quoted_symbol_state;
|
|
108
|
1325
|
|
|
1326 /* fall through */
|
|
46
|
1327
|
|
|
1328 default:
|
|
|
1329 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1330 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1331 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1332 "parameter in \"%V\" SSI command",
|
|
|
1333 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1334 &ctx->command);
|
|
|
1335 state = ssi_error_state;
|
|
|
1336 break;
|
|
|
1337 }
|
|
158
|
1338
|
|
|
1339 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1340 }
|
|
|
1341
|
|
|
1342 break;
|
|
|
1343
|
|
|
1344 case ssi_quoted_value_state:
|
|
|
1345 switch (ch) {
|
|
108
|
1346 case '\'':
|
|
|
1347 state = ssi_postparam_state;
|
|
|
1348 break;
|
|
|
1349
|
|
46
|
1350 case '\\':
|
|
|
1351 ctx->saved_state = ssi_quoted_value_state;
|
|
|
1352 state = ssi_quoted_symbol_state;
|
|
108
|
1353
|
|
|
1354 /* fall through */
|
|
46
|
1355
|
|
|
1356 default:
|
|
|
1357 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1358 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1359 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1360 "parameter in \"%V\" SSI command",
|
|
|
1361 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1362 &ctx->command);
|
|
|
1363 state = ssi_error_state;
|
|
|
1364 break;
|
|
|
1365 }
|
|
158
|
1366
|
|
|
1367 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1368 }
|
|
|
1369
|
|
|
1370 break;
|
|
|
1371
|
|
|
1372 case ssi_quoted_symbol_state:
|
|
108
|
1373 state = ctx->saved_state;
|
|
|
1374
|
|
46
|
1375 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
|
1376
|
|
|
1377 break;
|
|
|
1378
|
|
|
1379 case ssi_postparam_state:
|
|
158
|
1380
|
|
200
|
1381 if (ctx->param->value.len + 1 < ctx->value_len / 2) {
|
|
382
|
1382 value = ngx_pnalloc(r->pool, ctx->param->value.len + 1);
|
|
158
|
1383 if (value == NULL) {
|
|
|
1384 return NGX_ERROR;
|
|
|
1385 }
|
|
|
1386
|
|
|
1387 ngx_memcpy(value, ctx->param->value.data,
|
|
|
1388 ctx->param->value.len);
|
|
|
1389
|
|
|
1390 ctx->value_buf = ctx->param->value.data;
|
|
|
1391 ctx->param->value.data = value;
|
|
|
1392
|
|
|
1393 } else {
|
|
|
1394 ctx->value_buf = NULL;
|
|
|
1395 }
|
|
|
1396
|
|
46
|
1397 switch (ch) {
|
|
|
1398 case ' ':
|
|
|
1399 case CR:
|
|
|
1400 case LF:
|
|
|
1401 case '\t':
|
|
|
1402 state = ssi_preparam_state;
|
|
|
1403 break;
|
|
|
1404
|
|
|
1405 case '-':
|
|
|
1406 state = ssi_comment_end0_state;
|
|
|
1407 break;
|
|
|
1408
|
|
|
1409 default:
|
|
|
1410 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1411 "unexpected \"%c\" symbol after \"%V\" value "
|
|
|
1412 "of \"%V\" parameter in \"%V\" SSI command",
|
|
|
1413 ch, &ctx->param->value, &ctx->param->key,
|
|
|
1414 &ctx->command);
|
|
|
1415 state = ssi_error_state;
|
|
|
1416 break;
|
|
|
1417 }
|
|
|
1418
|
|
|
1419 break;
|
|
|
1420
|
|
|
1421 case ssi_comment_end0_state:
|
|
|
1422 switch (ch) {
|
|
|
1423 case '-':
|
|
|
1424 state = ssi_comment_end1_state;
|
|
|
1425 break;
|
|
|
1426
|
|
|
1427 default:
|
|
|
1428 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1429 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1430 ch, &ctx->command);
|
|
|
1431 state = ssi_error_state;
|
|
|
1432 break;
|
|
|
1433 }
|
|
|
1434
|
|
|
1435 break;
|
|
|
1436
|
|
|
1437 case ssi_comment_end1_state:
|
|
|
1438 switch (ch) {
|
|
|
1439 case '>':
|
|
|
1440 ctx->state = ssi_start_state;
|
|
|
1441 ctx->pos = p + 1;
|
|
|
1442 ctx->looked = looked;
|
|
|
1443 ctx->copy_end = copy_end;
|
|
|
1444
|
|
|
1445 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1446 ctx->copy_start = ctx->buf->pos;
|
|
|
1447 }
|
|
|
1448
|
|
|
1449 return NGX_OK;
|
|
|
1450
|
|
|
1451 default:
|
|
|
1452 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1453 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1454 ch, &ctx->command);
|
|
|
1455 state = ssi_error_state;
|
|
|
1456 break;
|
|
|
1457 }
|
|
|
1458
|
|
|
1459 break;
|
|
|
1460
|
|
|
1461 case ssi_error_state:
|
|
|
1462 switch (ch) {
|
|
|
1463 case '-':
|
|
|
1464 state = ssi_error_end0_state;
|
|
|
1465 break;
|
|
|
1466
|
|
|
1467 default:
|
|
|
1468 break;
|
|
|
1469 }
|
|
|
1470
|
|
|
1471 break;
|
|
|
1472
|
|
|
1473 case ssi_error_end0_state:
|
|
|
1474 switch (ch) {
|
|
|
1475 case '-':
|
|
|
1476 state = ssi_error_end1_state;
|
|
|
1477 break;
|
|
|
1478
|
|
|
1479 default:
|
|
|
1480 state = ssi_error_state;
|
|
|
1481 break;
|
|
|
1482 }
|
|
|
1483
|
|
|
1484 break;
|
|
|
1485
|
|
|
1486 case ssi_error_end1_state:
|
|
|
1487 switch (ch) {
|
|
|
1488 case '>':
|
|
|
1489 ctx->state = ssi_start_state;
|
|
|
1490 ctx->pos = p + 1;
|
|
|
1491 ctx->looked = looked;
|
|
|
1492 ctx->copy_end = copy_end;
|
|
|
1493
|
|
|
1494 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1495 ctx->copy_start = ctx->buf->pos;
|
|
|
1496 }
|
|
|
1497
|
|
|
1498 return NGX_HTTP_SSI_ERROR;
|
|
|
1499
|
|
|
1500 default:
|
|
|
1501 state = ssi_error_state;
|
|
|
1502 break;
|
|
|
1503 }
|
|
|
1504
|
|
|
1505 break;
|
|
|
1506 }
|
|
|
1507 }
|
|
|
1508
|
|
|
1509 ctx->state = state;
|
|
|
1510 ctx->pos = p;
|
|
|
1511 ctx->looked = looked;
|
|
|
1512
|
|
|
1513 ctx->copy_end = (state == ssi_start_state) ? p : copy_end;
|
|
|
1514
|
|
|
1515 if (ctx->copy_start == NULL && ctx->copy_end) {
|
|
|
1516 ctx->copy_start = ctx->buf->pos;
|
|
|
1517 }
|
|
|
1518
|
|
|
1519 return NGX_AGAIN;
|
|
|
1520 }
|
|
|
1521
|
|
|
1522
|
|
102
|
1523 static ngx_str_t *
|
|
160
|
1524 ngx_http_ssi_get_variable(ngx_http_request_t *r, ngx_str_t *name,
|
|
|
1525 ngx_uint_t key)
|
|
102
|
1526 {
|
|
|
1527 ngx_uint_t i;
|
|
248
|
1528 ngx_list_part_t *part;
|
|
102
|
1529 ngx_http_ssi_var_t *var;
|
|
|
1530 ngx_http_ssi_ctx_t *ctx;
|
|
|
1531
|
|
|
1532 ctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
1533
|
|
216
|
1534 if (ctx->variables == NULL) {
|
|
|
1535 return NULL;
|
|
|
1536 }
|
|
|
1537
|
|
248
|
1538 part = &ctx->variables->part;
|
|
|
1539 var = part->elts;
|
|
|
1540
|
|
|
1541 for (i = 0; /* void */ ; i++) {
|
|
|
1542
|
|
|
1543 if (i >= part->nelts) {
|
|
|
1544 if (part->next == NULL) {
|
|
|
1545 break;
|
|
|
1546 }
|
|
250
|
1547
|
|
248
|
1548 part = part->next;
|
|
|
1549 var = part->elts;
|
|
|
1550 i = 0;
|
|
|
1551 }
|
|
|
1552
|
|
102
|
1553 if (name->len != var[i].name.len) {
|
|
|
1554 continue;
|
|
|
1555 }
|
|
|
1556
|
|
160
|
1557 if (key != var[i].key) {
|
|
|
1558 continue;
|
|
|
1559 }
|
|
|
1560
|
|
|
1561 if (ngx_strncmp(name->data, var[i].name.data, name->len) == 0) {
|
|
102
|
1562 return &var[i].value;
|
|
|
1563 }
|
|
|
1564 }
|
|
|
1565
|
|
|
1566 return NULL;
|
|
|
1567 }
|
|
|
1568
|
|
|
1569
|
|
|
1570 static ngx_int_t
|
|
|
1571 ngx_http_ssi_evaluate_string(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1572 ngx_str_t *text, ngx_uint_t flags)
|
|
|
1573 {
|
|
122
|
1574 u_char ch, *p, **value, *data, *part_data;
|
|
|
1575 size_t *size, len, prefix, part_len;
|
|
|
1576 ngx_str_t var, *val;
|
|
160
|
1577 ngx_int_t key;
|
|
392
|
1578 ngx_uint_t i, n, bracket, quoted;
|
|
102
|
1579 ngx_array_t lengths, values;
|
|
|
1580 ngx_http_variable_value_t *vv;
|
|
|
1581
|
|
|
1582 n = ngx_http_script_variables_count(text);
|
|
|
1583
|
|
|
1584 if (n == 0) {
|
|
|
1585
|
|
206
|
1586 data = text->data;
|
|
|
1587 p = data;
|
|
|
1588
|
|
|
1589 if ((flags & NGX_HTTP_SSI_ADD_PREFIX) && text->data[0] != '/') {
|
|
|
1590
|
|
102
|
1591 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1592 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1593 break;
|
|
|
1594 }
|
|
|
1595 }
|
|
|
1596
|
|
|
1597 if (prefix) {
|
|
|
1598 len = prefix + text->len;
|
|
|
1599
|
|
382
|
1600 data = ngx_pnalloc(r->pool, len);
|
|
102
|
1601 if (data == NULL) {
|
|
|
1602 return NGX_ERROR;
|
|
|
1603 }
|
|
|
1604
|
|
122
|
1605 p = ngx_copy(data, r->uri.data, prefix);
|
|
102
|
1606 }
|
|
|
1607 }
|
|
|
1608
|
|
206
|
1609 quoted = 0;
|
|
|
1610
|
|
378
|
1611 for (i = 0; i < text->len; i++) {
|
|
206
|
1612 ch = text->data[i];
|
|
|
1613
|
|
|
1614 if (!quoted) {
|
|
|
1615
|
|
|
1616 if (ch == '\\') {
|
|
|
1617 quoted = 1;
|
|
|
1618 continue;
|
|
|
1619 }
|
|
|
1620
|
|
|
1621 } else {
|
|
|
1622 quoted = 0;
|
|
|
1623
|
|
|
1624 if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') {
|
|
|
1625 *p++ = '\\';
|
|
|
1626 }
|
|
|
1627 }
|
|
|
1628
|
|
|
1629 *p++ = ch;
|
|
|
1630 }
|
|
|
1631
|
|
|
1632 text->len = p - data;
|
|
|
1633 text->data = data;
|
|
|
1634
|
|
102
|
1635 return NGX_OK;
|
|
|
1636 }
|
|
|
1637
|
|
|
1638 if (ngx_array_init(&lengths, r->pool, 8, sizeof(size_t *)) != NGX_OK) {
|
|
|
1639 return NGX_ERROR;
|
|
|
1640 }
|
|
|
1641
|
|
|
1642 if (ngx_array_init(&values, r->pool, 8, sizeof(u_char *)) != NGX_OK) {
|
|
|
1643 return NGX_ERROR;
|
|
|
1644 }
|
|
|
1645
|
|
|
1646 len = 0;
|
|
|
1647 i = 0;
|
|
|
1648
|
|
|
1649 while (i < text->len) {
|
|
|
1650
|
|
|
1651 if (text->data[i] == '$') {
|
|
|
1652
|
|
|
1653 var.len = 0;
|
|
|
1654
|
|
|
1655 if (++i == text->len) {
|
|
|
1656 goto invalid_variable;
|
|
|
1657 }
|
|
|
1658
|
|
|
1659 if (text->data[i] == '{') {
|
|
|
1660 bracket = 1;
|
|
|
1661
|
|
|
1662 if (++i == text->len) {
|
|
|
1663 goto invalid_variable;
|
|
|
1664 }
|
|
|
1665
|
|
|
1666 var.data = &text->data[i];
|
|
|
1667
|
|
|
1668 } else {
|
|
|
1669 bracket = 0;
|
|
|
1670 var.data = &text->data[i];
|
|
|
1671 }
|
|
|
1672
|
|
|
1673 for ( /* void */ ; i < text->len; i++, var.len++) {
|
|
|
1674 ch = text->data[i];
|
|
|
1675
|
|
|
1676 if (ch == '}' && bracket) {
|
|
|
1677 i++;
|
|
|
1678 bracket = 0;
|
|
|
1679 break;
|
|
|
1680 }
|
|
|
1681
|
|
|
1682 if ((ch >= 'A' && ch <= 'Z')
|
|
|
1683 || (ch >= 'a' && ch <= 'z')
|
|
|
1684 || (ch >= '0' && ch <= '9')
|
|
|
1685 || ch == '_')
|
|
|
1686 {
|
|
|
1687 continue;
|
|
|
1688 }
|
|
|
1689
|
|
|
1690 break;
|
|
|
1691 }
|
|
|
1692
|
|
|
1693 if (bracket) {
|
|
|
1694 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1695 "the closing bracket in \"%V\" "
|
|
|
1696 "variable is missing", &var);
|
|
248
|
1697 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1698 }
|
|
|
1699
|
|
126
|
1700 if (var.len == 0) {
|
|
102
|
1701 goto invalid_variable;
|
|
|
1702 }
|
|
|
1703
|
|
392
|
1704 key = ngx_hash_strlow(var.data, var.data, var.len);
|
|
102
|
1705
|
|
160
|
1706 val = ngx_http_ssi_get_variable(r, &var, key);
|
|
102
|
1707
|
|
|
1708 if (val == NULL) {
|
|
184
|
1709 vv = ngx_http_get_variable(r, &var, key,
|
|
|
1710 flags & NGX_HTTP_SSI_EXPR_TEST);
|
|
102
|
1711 if (vv == NULL) {
|
|
|
1712 return NGX_ERROR;
|
|
|
1713 }
|
|
|
1714
|
|
122
|
1715 if (vv->not_found) {
|
|
102
|
1716 continue;
|
|
|
1717 }
|
|
|
1718
|
|
122
|
1719 part_data = vv->data;
|
|
|
1720 part_len = vv->len;
|
|
102
|
1721
|
|
|
1722 } else {
|
|
122
|
1723 part_data = val->data;
|
|
|
1724 part_len = val->len;
|
|
102
|
1725 }
|
|
|
1726
|
|
|
1727 } else {
|
|
122
|
1728 part_data = &text->data[i];
|
|
200
|
1729 quoted = 0;
|
|
122
|
1730
|
|
|
1731 for (p = part_data; i < text->len; i++) {
|
|
108
|
1732 ch = text->data[i];
|
|
|
1733
|
|
200
|
1734 if (!quoted) {
|
|
|
1735
|
|
|
1736 if (ch == '\\') {
|
|
|
1737 quoted = 1;
|
|
|
1738 continue;
|
|
|
1739 }
|
|
|
1740
|
|
|
1741 if (ch == '$') {
|
|
108
|
1742 break;
|
|
|
1743 }
|
|
|
1744
|
|
200
|
1745 } else {
|
|
|
1746 quoted = 0;
|
|
|
1747
|
|
|
1748 if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') {
|
|
|
1749 *p++ = '\\';
|
|
|
1750 }
|
|
108
|
1751 }
|
|
|
1752
|
|
|
1753 *p++ = ch;
|
|
102
|
1754 }
|
|
108
|
1755
|
|
122
|
1756 part_len = p - part_data;
|
|
102
|
1757 }
|
|
|
1758
|
|
122
|
1759 len += part_len;
|
|
102
|
1760
|
|
|
1761 size = ngx_array_push(&lengths);
|
|
|
1762 if (size == NULL) {
|
|
|
1763 return NGX_ERROR;
|
|
|
1764 }
|
|
|
1765
|
|
122
|
1766 *size = part_len;
|
|
102
|
1767
|
|
|
1768 value = ngx_array_push(&values);
|
|
|
1769 if (value == NULL) {
|
|
|
1770 return NGX_ERROR;
|
|
|
1771 }
|
|
|
1772
|
|
122
|
1773 *value = part_data;
|
|
102
|
1774 }
|
|
|
1775
|
|
|
1776 prefix = 0;
|
|
|
1777
|
|
|
1778 size = lengths.elts;
|
|
|
1779 value = values.elts;
|
|
|
1780
|
|
|
1781 if (flags & NGX_HTTP_SSI_ADD_PREFIX) {
|
|
|
1782 for (i = 0; i < values.nelts; i++) {
|
|
|
1783 if (size[i] != 0) {
|
|
|
1784 if (*value[i] != '/') {
|
|
|
1785 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1786 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1787 len += prefix;
|
|
|
1788 break;
|
|
|
1789 }
|
|
|
1790 }
|
|
|
1791 }
|
|
|
1792
|
|
|
1793 break;
|
|
|
1794 }
|
|
|
1795 }
|
|
|
1796 }
|
|
|
1797
|
|
382
|
1798 p = ngx_pnalloc(r->pool, len + ((flags & NGX_HTTP_SSI_ADD_ZERO) ? 1 : 0));
|
|
102
|
1799 if (p == NULL) {
|
|
|
1800 return NGX_ERROR;
|
|
|
1801 }
|
|
|
1802
|
|
|
1803 text->len = len;
|
|
|
1804 text->data = p;
|
|
|
1805
|
|
122
|
1806 p = ngx_copy(p, r->uri.data, prefix);
|
|
102
|
1807
|
|
|
1808 for (i = 0; i < values.nelts; i++) {
|
|
122
|
1809 p = ngx_copy(p, value[i], size[i]);
|
|
102
|
1810 }
|
|
|
1811
|
|
|
1812 return NGX_OK;
|
|
|
1813
|
|
|
1814 invalid_variable:
|
|
|
1815
|
|
|
1816 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1817 "invalid variable name in \"%V\"", text);
|
|
|
1818
|
|
248
|
1819 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1820 }
|
|
|
1821
|
|
|
1822
|
|
|
1823 static ngx_int_t
|
|
|
1824 ngx_http_ssi_include(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1825 ngx_str_t **params)
|
|
|
1826 {
|
|
342
|
1827 u_char *dst, *src;
|
|
|
1828 size_t len;
|
|
248
|
1829 ngx_int_t rc, key;
|
|
|
1830 ngx_str_t *uri, *file, *wait, *set, *stub, args;
|
|
|
1831 ngx_buf_t *b;
|
|
|
1832 ngx_uint_t flags, i;
|
|
250
|
1833 ngx_chain_t *cl, *tl, **ll, *out;
|
|
248
|
1834 ngx_http_request_t *sr;
|
|
|
1835 ngx_http_ssi_var_t *var;
|
|
|
1836 ngx_http_ssi_ctx_t *mctx;
|
|
|
1837 ngx_http_ssi_block_t *bl;
|
|
|
1838 ngx_http_post_subrequest_t *psr;
|
|
102
|
1839
|
|
|
1840 uri = params[NGX_HTTP_SSI_INCLUDE_VIRTUAL];
|
|
|
1841 file = params[NGX_HTTP_SSI_INCLUDE_FILE];
|
|
194
|
1842 wait = params[NGX_HTTP_SSI_INCLUDE_WAIT];
|
|
248
|
1843 set = params[NGX_HTTP_SSI_INCLUDE_SET];
|
|
216
|
1844 stub = params[NGX_HTTP_SSI_INCLUDE_STUB];
|
|
102
|
1845
|
|
|
1846 if (uri && file) {
|
|
|
1847 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1848 "inlcusion may be either virtual=\"%V\" or file=\"%V\"",
|
|
|
1849 uri, file);
|
|
|
1850 return NGX_HTTP_SSI_ERROR;
|
|
|
1851 }
|
|
|
1852
|
|
|
1853 if (uri == NULL && file == NULL) {
|
|
|
1854 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1855 "no parameter in \"include\" SSI command");
|
|
|
1856 return NGX_HTTP_SSI_ERROR;
|
|
|
1857 }
|
|
|
1858
|
|
248
|
1859 if (set && stub) {
|
|
|
1860 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1861 "\"set\" and \"stub\" may not be used together "
|
|
|
1862 "in \"include\" SSI command");
|
|
|
1863 return NGX_HTTP_SSI_ERROR;
|
|
|
1864 }
|
|
|
1865
|
|
194
|
1866 if (wait) {
|
|
|
1867 if (uri == NULL) {
|
|
|
1868 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
216
|
1869 "\"wait\" may not be used with file=\"%V\"", file);
|
|
194
|
1870 return NGX_HTTP_SSI_ERROR;
|
|
|
1871 }
|
|
|
1872
|
|
286
|
1873 if (wait->len == 2
|
|
|
1874 && ngx_strncasecmp(wait->data, (u_char *) "no", 2) == 0)
|
|
|
1875 {
|
|
194
|
1876 wait = NULL;
|
|
|
1877
|
|
286
|
1878 } else if (wait->len != 3
|
|
|
1879 || ngx_strncasecmp(wait->data, (u_char *) "yes", 3) != 0)
|
|
194
|
1880 {
|
|
|
1881 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1882 "invalid value \"%V\" in the \"wait\" parameter",
|
|
216
|
1883 wait);
|
|
194
|
1884 return NGX_HTTP_SSI_ERROR;
|
|
|
1885 }
|
|
|
1886 }
|
|
|
1887
|
|
102
|
1888 if (uri == NULL) {
|
|
|
1889 uri = file;
|
|
|
1890 }
|
|
|
1891
|
|
248
|
1892 rc = ngx_http_ssi_evaluate_string(r, ctx, uri, NGX_HTTP_SSI_ADD_PREFIX);
|
|
|
1893
|
|
|
1894 if (rc != NGX_OK) {
|
|
|
1895 return rc;
|
|
102
|
1896 }
|
|
|
1897
|
|
342
|
1898 dst = uri->data;
|
|
|
1899 src = uri->data;
|
|
|
1900
|
|
|
1901 ngx_unescape_uri(&dst, &src, uri->len, NGX_UNESCAPE_URI);
|
|
|
1902
|
|
|
1903 len = (uri->data + uri->len) - src;
|
|
|
1904 if (len) {
|
|
|
1905 dst = ngx_copy(dst, src, len);
|
|
|
1906 }
|
|
|
1907
|
|
|
1908 uri->len = dst - uri->data;
|
|
|
1909
|
|
|
1910 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1911 "ssi include: \"%V\"", uri);
|
|
|
1912
|
|
102
|
1913 args.len = 0;
|
|
|
1914 args.data = NULL;
|
|
122
|
1915 flags = 0;
|
|
|
1916
|
|
|
1917 if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) {
|
|
|
1918 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1919 }
|
|
|
1920
|
|
248
|
1921 psr = NULL;
|
|
|
1922
|
|
|
1923 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
216
|
1924
|
|
|
1925 if (stub) {
|
|
|
1926 if (mctx->blocks) {
|
|
|
1927 bl = mctx->blocks->elts;
|
|
|
1928 for (i = 0; i < mctx->blocks->nelts; i++) {
|
|
|
1929 if (stub->len == bl[i].name.len
|
|
|
1930 && ngx_strncmp(stub->data, bl[i].name.data, stub->len) == 0)
|
|
|
1931 {
|
|
|
1932 goto found;
|
|
|
1933 }
|
|
|
1934 }
|
|
|
1935 }
|
|
|
1936
|
|
|
1937 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1938 "\"stub\"=\"%V\" for \"include\" not found", stub);
|
|
|
1939 return NGX_HTTP_SSI_ERROR;
|
|
|
1940
|
|
|
1941 found:
|
|
|
1942
|
|
248
|
1943 psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t));
|
|
|
1944 if (psr == NULL) {
|
|
|
1945 return NGX_ERROR;
|
|
|
1946 }
|
|
|
1947
|
|
|
1948 psr->handler = ngx_http_ssi_stub_output;
|
|
|
1949
|
|
216
|
1950 if (bl[i].count++) {
|
|
|
1951
|
|
366
|
1952 out = NULL;
|
|
250
|
1953 ll = &out;
|
|
216
|
1954
|
|
|
1955 for (tl = bl[i].bufs; tl; tl = tl->next) {
|
|
|
1956
|
|
|
1957 if (ctx->free) {
|
|
|
1958 cl = ctx->free;
|
|
|
1959 ctx->free = ctx->free->next;
|
|
|
1960 b = cl->buf;
|
|
|
1961
|
|
|
1962 } else {
|
|
|
1963 b = ngx_alloc_buf(r->pool);
|
|
|
1964 if (b == NULL) {
|
|
|
1965 return NGX_ERROR;
|
|
|
1966 }
|
|
|
1967
|
|
|
1968 cl = ngx_alloc_chain_link(r->pool);
|
|
|
1969 if (cl == NULL) {
|
|
|
1970 return NGX_ERROR;
|
|
|
1971 }
|
|
|
1972
|
|
|
1973 cl->buf = b;
|
|
|
1974 }
|
|
|
1975
|
|
|
1976 ngx_memcpy(b, tl->buf, sizeof(ngx_buf_t));
|
|
|
1977
|
|
|
1978 b->pos = b->start;
|
|
|
1979
|
|
|
1980 *ll = cl;
|
|
|
1981 cl->next = NULL;
|
|
|
1982 ll = &cl->next;
|
|
|
1983 }
|
|
|
1984
|
|
250
|
1985 psr->data = out;
|
|
|
1986
|
|
216
|
1987 } else {
|
|
248
|
1988 psr->data = bl[i].bufs;
|
|
216
|
1989 }
|
|
|
1990 }
|
|
|
1991
|
|
426
|
1992 if (wait) {
|
|
|
1993 flags |= NGX_HTTP_SUBREQUEST_WAITED;
|
|
|
1994 }
|
|
|
1995
|
|
248
|
1996 if (set) {
|
|
392
|
1997 key = ngx_hash_strlow(set->data, set->data, set->len);
|
|
248
|
1998
|
|
|
1999 psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t));
|
|
|
2000 if (psr == NULL) {
|
|
|
2001 return NGX_ERROR;
|
|
|
2002 }
|
|
|
2003
|
|
|
2004 psr->handler = ngx_http_ssi_set_variable;
|
|
|
2005 psr->data = ngx_http_ssi_get_variable(r, set, key);
|
|
|
2006
|
|
|
2007 if (psr->data == NULL) {
|
|
|
2008
|
|
|
2009 if (mctx->variables == NULL) {
|
|
|
2010 mctx->variables = ngx_list_create(r->pool, 4,
|
|
|
2011 sizeof(ngx_http_ssi_var_t));
|
|
|
2012 if (mctx->variables == NULL) {
|
|
|
2013 return NGX_ERROR;
|
|
|
2014 }
|
|
|
2015 }
|
|
|
2016
|
|
|
2017 var = ngx_list_push(mctx->variables);
|
|
|
2018 if (var == NULL) {
|
|
|
2019 return NGX_ERROR;
|
|
|
2020 }
|
|
|
2021
|
|
|
2022 var->name = *set;
|
|
|
2023 var->key = key;
|
|
|
2024 var->value = ngx_http_ssi_null_string;
|
|
|
2025 psr->data = &var->value;
|
|
|
2026 }
|
|
|
2027
|
|
426
|
2028 flags |= NGX_HTTP_SUBREQUEST_IN_MEMORY|NGX_HTTP_SUBREQUEST_WAITED;
|
|
248
|
2029 }
|
|
|
2030
|
|
426
|
2031 if (ngx_http_subrequest(r, uri, &args, &sr, psr, flags) != NGX_OK) {
|
|
102
|
2032 return NGX_HTTP_SSI_ERROR;
|
|
|
2033 }
|
|
|
2034
|
|
248
|
2035 if (wait == NULL && set == NULL) {
|
|
194
|
2036 return NGX_OK;
|
|
|
2037 }
|
|
|
2038
|
|
426
|
2039 if (ctx->wait == NULL) {
|
|
|
2040 ctx->wait = sr;
|
|
|
2041
|
|
|
2042 return NGX_AGAIN;
|
|
|
2043
|
|
|
2044 } else {
|
|
|
2045 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2046 "only one subrequest may be waited at the same time");
|
|
194
|
2047 }
|
|
|
2048
|
|
426
|
2049 return NGX_OK;
|
|
102
|
2050 }
|
|
|
2051
|
|
|
2052
|
|
46
|
2053 static ngx_int_t
|
|
248
|
2054 ngx_http_ssi_stub_output(ngx_http_request_t *r, void *data, ngx_int_t rc)
|
|
|
2055 {
|
|
|
2056 ngx_chain_t *out;
|
|
|
2057
|
|
|
2058 if (rc == NGX_ERROR || r->connection->error || r->request_output) {
|
|
|
2059 return rc;
|
|
|
2060 }
|
|
|
2061
|
|
|
2062 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2063 "ssi stub output: \"%V?%V\"", &r->uri, &r->args);
|
|
|
2064
|
|
|
2065 out = data;
|
|
|
2066
|
|
|
2067 if (!r->header_sent) {
|
|
|
2068 if (ngx_http_set_content_type(r) == NGX_ERROR) {
|
|
|
2069 return NGX_ERROR;
|
|
|
2070 }
|
|
|
2071
|
|
|
2072 if (ngx_http_send_header(r) == NGX_ERROR) {
|
|
|
2073 return NGX_ERROR;
|
|
|
2074 }
|
|
|
2075 }
|
|
|
2076
|
|
|
2077 return ngx_http_output_filter(r, out);
|
|
|
2078 }
|
|
|
2079
|
|
|
2080
|
|
|
2081 static ngx_int_t
|
|
|
2082 ngx_http_ssi_set_variable(ngx_http_request_t *r, void *data, ngx_int_t rc)
|
|
|
2083 {
|
|
|
2084 ngx_str_t *value = data;
|
|
|
2085
|
|
|
2086 if (r->upstream) {
|
|
|
2087 value->len = r->upstream->buffer.last - r->upstream->buffer.pos;
|
|
|
2088 value->data = r->upstream->buffer.pos;
|
|
|
2089 }
|
|
|
2090
|
|
|
2091 return rc;
|
|
|
2092 }
|
|
|
2093
|
|
|
2094
|
|
|
2095 static ngx_int_t
|
|
46
|
2096 ngx_http_ssi_echo(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2097 ngx_str_t **params)
|
|
|
2098 {
|
|
340
|
2099 u_char *p;
|
|
|
2100 uintptr_t len;
|
|
160
|
2101 ngx_int_t key;
|
|
48
|
2102 ngx_buf_t *b;
|
|
340
|
2103 ngx_str_t *var, *value, *enc, text;
|
|
48
|
2104 ngx_chain_t *cl;
|
|
50
|
2105 ngx_http_variable_value_t *vv;
|
|
46
|
2106
|
|
|
2107 var = params[NGX_HTTP_SSI_ECHO_VAR];
|
|
|
2108
|
|
192
|
2109 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2110 "ssi echo \"%V\"", var);
|
|
|
2111
|
|
392
|
2112 key = ngx_hash_strlow(var->data, var->data, var->len);
|
|
160
|
2113
|
|
|
2114 value = ngx_http_ssi_get_variable(r, var, key);
|
|
102
|
2115
|
|
|
2116 if (value == NULL) {
|
|
184
|
2117 vv = ngx_http_get_variable(r, var, key, 1);
|
|
102
|
2118
|
|
|
2119 if (vv == NULL) {
|
|
|
2120 return NGX_HTTP_SSI_ERROR;
|
|
|
2121 }
|
|
|
2122
|
|
122
|
2123 if (!vv->not_found) {
|
|
|
2124 text.data = vv->data;
|
|
|
2125 text.len = vv->len;
|
|
|
2126 value = &text;
|
|
102
|
2127 }
|
|
50
|
2128 }
|
|
46
|
2129
|
|
102
|
2130 if (value == NULL) {
|
|
48
|
2131 value = params[NGX_HTTP_SSI_ECHO_DEFAULT];
|
|
|
2132
|
|
|
2133 if (value == NULL) {
|
|
|
2134 value = &ngx_http_ssi_none;
|
|
|
2135
|
|
|
2136 } else if (value->len == 0) {
|
|
|
2137 return NGX_OK;
|
|
|
2138 }
|
|
|
2139
|
|
|
2140 } else {
|
|
|
2141 if (value->len == 0) {
|
|
|
2142 return NGX_OK;
|
|
|
2143 }
|
|
|
2144 }
|
|
|
2145
|
|
340
|
2146 enc = params[NGX_HTTP_SSI_ECHO_ENCODING];
|
|
|
2147
|
|
|
2148 if (enc) {
|
|
|
2149 if (enc->len == 4 && ngx_strncmp(enc->data, "none", 4) == 0) {
|
|
|
2150
|
|
|
2151 ctx->encoding = NGX_HTTP_SSI_NO_ENCODING;
|
|
|
2152
|
|
|
2153 } else if (enc->len == 3 && ngx_strncmp(enc->data, "url", 3) == 0) {
|
|
|
2154
|
|
|
2155 ctx->encoding = NGX_HTTP_SSI_URL_ENCODING;
|
|
|
2156
|
|
|
2157 } else if (enc->len == 6 && ngx_strncmp(enc->data, "entity", 6) == 0) {
|
|
|
2158
|
|
|
2159 ctx->encoding = NGX_HTTP_SSI_ENTITY_ENCODING;
|
|
|
2160
|
|
|
2161 } else {
|
|
|
2162 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2163 "unknown encoding \"%V\" in the \"echo\" command",
|
|
|
2164 enc);
|
|
|
2165 }
|
|
|
2166 }
|
|
|
2167
|
|
|
2168 switch (ctx->encoding) {
|
|
|
2169
|
|
|
2170 case NGX_HTTP_SSI_NO_ENCODING:
|
|
|
2171 break;
|
|
|
2172
|
|
|
2173 case NGX_HTTP_SSI_URL_ENCODING:
|
|
|
2174 len = 2 * ngx_escape_uri(NULL, value->data, value->len,
|
|
|
2175 NGX_ESCAPE_HTML);
|
|
|
2176
|
|
|
2177 if (len) {
|
|
382
|
2178 p = ngx_pnalloc(r->pool, value->len + len);
|
|
340
|
2179 if (p == NULL) {
|
|
|
2180 return NGX_HTTP_SSI_ERROR;
|
|
|
2181 }
|
|
|
2182
|
|
|
2183 (void) ngx_escape_uri(p, value->data, value->len, NGX_ESCAPE_HTML);
|
|
|
2184
|
|
|
2185 value->len += len;
|
|
|
2186 value->data = p;
|
|
|
2187 }
|
|
|
2188
|
|
|
2189 break;
|
|
|
2190
|
|
|
2191 case NGX_HTTP_SSI_ENTITY_ENCODING:
|
|
|
2192 len = ngx_escape_html(NULL, value->data, value->len);
|
|
|
2193
|
|
|
2194 if (len) {
|
|
382
|
2195 p = ngx_pnalloc(r->pool, value->len + len);
|
|
340
|
2196 if (p == NULL) {
|
|
|
2197 return NGX_HTTP_SSI_ERROR;
|
|
|
2198 }
|
|
|
2199
|
|
|
2200 (void) ngx_escape_html(p, value->data, value->len);
|
|
|
2201
|
|
|
2202 value->len += len;
|
|
|
2203 value->data = p;
|
|
|
2204 }
|
|
|
2205
|
|
|
2206 break;
|
|
|
2207 }
|
|
|
2208
|
|
48
|
2209 b = ngx_calloc_buf(r->pool);
|
|
|
2210 if (b == NULL) {
|
|
|
2211 return NGX_HTTP_SSI_ERROR;
|
|
|
2212 }
|
|
|
2213
|
|
|
2214 cl = ngx_alloc_chain_link(r->pool);
|
|
|
2215 if (cl == NULL) {
|
|
46
|
2216 return NGX_HTTP_SSI_ERROR;
|
|
|
2217 }
|
|
|
2218
|
|
|
2219 b->memory = 1;
|
|
|
2220 b->pos = value->data;
|
|
|
2221 b->last = value->data + value->len;
|
|
|
2222
|
|
|
2223 cl->buf = b;
|
|
|
2224 cl->next = NULL;
|
|
|
2225 *ctx->last_out = cl;
|
|
|
2226 ctx->last_out = &cl->next;
|
|
|
2227
|
|
|
2228 return NGX_OK;
|
|
|
2229 }
|
|
|
2230
|
|
|
2231
|
|
58
|
2232 static ngx_int_t
|
|
|
2233 ngx_http_ssi_config(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2234 ngx_str_t **params)
|
|
|
2235 {
|
|
|
2236 ngx_str_t *value;
|
|
|
2237
|
|
|
2238 value = params[NGX_HTTP_SSI_CONFIG_TIMEFMT];
|
|
|
2239
|
|
|
2240 if (value) {
|
|
138
|
2241 ctx->timefmt.len = value->len;
|
|
382
|
2242 ctx->timefmt.data = ngx_pnalloc(r->pool, value->len + 1);
|
|
138
|
2243 if (ctx->timefmt.data == NULL) {
|
|
|
2244 return NGX_HTTP_SSI_ERROR;
|
|
|
2245 }
|
|
|
2246
|
|
|
2247 ngx_cpystrn(ctx->timefmt.data, value->data, value->len + 1);
|
|
58
|
2248 }
|
|
|
2249
|
|
96
|
2250 value = params[NGX_HTTP_SSI_CONFIG_ERRMSG];
|
|
|
2251
|
|
|
2252 if (value) {
|
|
|
2253 ctx->errmsg = *value;
|
|
|
2254 }
|
|
|
2255
|
|
58
|
2256 return NGX_OK;
|
|
|
2257 }
|
|
|
2258
|
|
|
2259
|
|
|
2260 static ngx_int_t
|
|
102
|
2261 ngx_http_ssi_set(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
58
|
2262 ngx_str_t **params)
|
|
|
2263 {
|
|
248
|
2264 ngx_int_t key, rc;
|
|
102
|
2265 ngx_str_t *name, *value, *vv;
|
|
|
2266 ngx_http_ssi_var_t *var;
|
|
|
2267 ngx_http_ssi_ctx_t *mctx;
|
|
|
2268
|
|
|
2269 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
2270
|
|
216
|
2271 if (mctx->variables == NULL) {
|
|
248
|
2272 mctx->variables = ngx_list_create(r->pool, 4,
|
|
|
2273 sizeof(ngx_http_ssi_var_t));
|
|
216
|
2274 if (mctx->variables == NULL) {
|
|
248
|
2275 return NGX_ERROR;
|
|
58
|
2276 }
|
|
|
2277 }
|
|
|
2278
|
|
102
|
2279 name = params[NGX_HTTP_SSI_SET_VAR];
|
|
|
2280 value = params[NGX_HTTP_SSI_SET_VALUE];
|
|
|
2281
|
|
192
|
2282 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2283 "ssi set \"%V\" \"%V\"", name, value);
|
|
|
2284
|
|
248
|
2285 rc = ngx_http_ssi_evaluate_string(r, ctx, value, 0);
|
|
|
2286
|
|
|
2287 if (rc != NGX_OK) {
|
|
|
2288 return rc;
|
|
58
|
2289 }
|
|
|
2290
|
|
392
|
2291 key = ngx_hash_strlow(name->data, name->data, name->len);
|
|
160
|
2292
|
|
|
2293 vv = ngx_http_ssi_get_variable(r, name, key);
|
|
102
|
2294
|
|
|
2295 if (vv) {
|
|
|
2296 *vv = *value;
|
|
|
2297 return NGX_OK;
|
|
|
2298 }
|
|
|
2299
|
|
248
|
2300 var = ngx_list_push(mctx->variables);
|
|
102
|
2301 if (var == NULL) {
|
|
248
|
2302 return NGX_ERROR;
|
|
102
|
2303 }
|
|
|
2304
|
|
|
2305 var->name = *name;
|
|
160
|
2306 var->key = key;
|
|
102
|
2307 var->value = *value;
|
|
|
2308
|
|
|
2309 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2310 "set: \"%V\"=\"%V\"", name, value);
|
|
|
2311
|
|
58
|
2312 return NGX_OK;
|
|
|
2313 }
|
|
|
2314
|
|
|
2315
|
|
|
2316 static ngx_int_t
|
|
|
2317 ngx_http_ssi_if(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2318 ngx_str_t **params)
|
|
|
2319 {
|
|
102
|
2320 u_char *p, *last;
|
|
|
2321 ngx_str_t *expr, left, right;
|
|
|
2322 ngx_int_t rc;
|
|
178
|
2323 ngx_uint_t negative, noregex, flags;
|
|
58
|
2324
|
|
178
|
2325 if (ctx->command.len == 2) {
|
|
|
2326 if (ctx->conditional) {
|
|
|
2327 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2328 "the \"if\" command inside the \"if\" command");
|
|
|
2329 return NGX_HTTP_SSI_ERROR;
|
|
|
2330 }
|
|
|
2331 }
|
|
|
2332
|
|
|
2333 if (ctx->output_chosen) {
|
|
|
2334 ctx->output = 0;
|
|
|
2335 return NGX_OK;
|
|
|
2336 }
|
|
|
2337
|
|
58
|
2338 expr = params[NGX_HTTP_SSI_IF_EXPR];
|
|
|
2339
|
|
192
|
2340 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2341 "ssi if expr=\"%V\"", expr);
|
|
|
2342
|
|
102
|
2343 left.data = expr->data;
|
|
100
|
2344 last = expr->data + expr->len;
|
|
|
2345
|
|
102
|
2346 for (p = left.data; p < last; p++) {
|
|
100
|
2347 if (*p >= 'A' && *p <= 'Z') {
|
|
|
2348 *p |= 0x20;
|
|
|
2349 continue;
|
|
|
2350 }
|
|
58
|
2351
|
|
102
|
2352 if ((*p >= 'a' && *p <= 'z')
|
|
|
2353 || (*p >= '0' && *p <= '9')
|
|
122
|
2354 || *p == '$' || *p == '{' || *p == '}' || *p == '_'
|
|
|
2355 || *p == '"' || *p == '\'')
|
|
102
|
2356 {
|
|
100
|
2357 continue;
|
|
|
2358 }
|
|
|
2359
|
|
|
2360 break;
|
|
|
2361 }
|
|
|
2362
|
|
102
|
2363 left.len = p - left.data;
|
|
100
|
2364
|
|
|
2365 while (p < last && *p == ' ') {
|
|
|
2366 p++;
|
|
58
|
2367 }
|
|
|
2368
|
|
184
|
2369 flags = (p == last) ? NGX_HTTP_SSI_EXPR_TEST : 0;
|
|
|
2370
|
|
102
|
2371 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2372 "left: \"%V\"", &left);
|
|
|
2373
|
|
248
|
2374 rc = ngx_http_ssi_evaluate_string(r, ctx, &left, flags);
|
|
|
2375
|
|
|
2376 if (rc != NGX_OK) {
|
|
|
2377 return rc;
|
|
58
|
2378 }
|
|
|
2379
|
|
102
|
2380 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2381 "evaluted left: \"%V\"", &left);
|
|
|
2382
|
|
100
|
2383 if (p == last) {
|
|
102
|
2384 if (left.len) {
|
|
100
|
2385 ctx->output = 1;
|
|
178
|
2386 ctx->output_chosen = 1;
|
|
100
|
2387
|
|
|
2388 } else {
|
|
|
2389 ctx->output = 0;
|
|
|
2390 }
|
|
|
2391
|
|
178
|
2392 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
2393
|
|
100
|
2394 return NGX_OK;
|
|
|
2395 }
|
|
|
2396
|
|
|
2397 if (p < last && *p == '=') {
|
|
|
2398 negative = 0;
|
|
|
2399 p++;
|
|
|
2400
|
|
|
2401 } else if (p + 1 < last && *p == '!' && *(p + 1) == '=') {
|
|
|
2402 negative = 1;
|
|
|
2403 p += 2;
|
|
|
2404
|
|
|
2405 } else {
|
|
|
2406 goto invalid_expression;
|
|
|
2407 }
|
|
|
2408
|
|
|
2409 while (p < last && *p == ' ') {
|
|
|
2410 p++;
|
|
|
2411 }
|
|
|
2412
|
|
300
|
2413 if (p < last - 1 && *p == '/') {
|
|
100
|
2414 if (*(last - 1) != '/') {
|
|
|
2415 goto invalid_expression;
|
|
|
2416 }
|
|
|
2417
|
|
|
2418 noregex = 0;
|
|
178
|
2419 flags = NGX_HTTP_SSI_ADD_ZERO;
|
|
100
|
2420 last--;
|
|
274
|
2421 p++;
|
|
100
|
2422
|
|
|
2423 } else {
|
|
|
2424 noregex = 1;
|
|
178
|
2425 flags = 0;
|
|
|
2426
|
|
|
2427 if (p < last - 1 && p[0] == '\\' && p[1] == '/') {
|
|
200
|
2428 p++;
|
|
178
|
2429 }
|
|
100
|
2430 }
|
|
|
2431
|
|
|
2432 right.len = last - p;
|
|
|
2433 right.data = p;
|
|
|
2434
|
|
102
|
2435 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2436 "right: \"%V\"", &right);
|
|
|
2437
|
|
248
|
2438 rc = ngx_http_ssi_evaluate_string(r, ctx, &right, flags);
|
|
|
2439
|
|
|
2440 if (rc != NGX_OK) {
|
|
|
2441 return rc;
|
|
100
|
2442 }
|
|
|
2443
|
|
102
|
2444 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2445 "evaluted right: \"%V\"", &right);
|
|
100
|
2446
|
|
|
2447 if (noregex) {
|
|
|
2448 if (left.len != right.len) {
|
|
|
2449 rc = -1;
|
|
|
2450
|
|
|
2451 } else {
|
|
|
2452 rc = ngx_strncmp(left.data, right.data, right.len);
|
|
|
2453 }
|
|
|
2454
|
|
|
2455 } else {
|
|
|
2456 #if (NGX_PCRE)
|
|
356
|
2457 ngx_str_t err;
|
|
|
2458 ngx_regex_t *regex;
|
|
|
2459 u_char errstr[NGX_MAX_CONF_ERRSTR];
|
|
|
2460
|
|
100
|
2461 err.len = NGX_MAX_CONF_ERRSTR;
|
|
|
2462 err.data = errstr;
|
|
|
2463
|
|
|
2464 right.data[right.len] = '\0';
|
|
|
2465
|
|
|
2466 regex = ngx_regex_compile(&right, 0, r->pool, &err);
|
|
|
2467
|
|
|
2468 if (regex == NULL) {
|
|
|
2469 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "%s", err.data);
|
|
|
2470 return NGX_HTTP_SSI_ERROR;
|
|
|
2471 }
|
|
|
2472
|
|
|
2473 rc = ngx_regex_exec(regex, &left, NULL, 0);
|
|
|
2474
|
|
|
2475 if (rc != NGX_REGEX_NO_MATCHED && rc < 0) {
|
|
|
2476 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
2477 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"",
|
|
|
2478 rc, &left, &right);
|
|
|
2479 return NGX_HTTP_SSI_ERROR;
|
|
|
2480 }
|
|
|
2481 #else
|
|
|
2482 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
2483 "the using of the regex \"%V\" in SSI "
|
|
|
2484 "requires PCRE library", &right);
|
|
|
2485
|
|
|
2486 return NGX_HTTP_SSI_ERROR;
|
|
|
2487 #endif
|
|
|
2488 }
|
|
|
2489
|
|
|
2490 if ((rc == 0 && !negative) || (rc != 0 && negative)) {
|
|
58
|
2491 ctx->output = 1;
|
|
178
|
2492 ctx->output_chosen = 1;
|
|
58
|
2493
|
|
|
2494 } else {
|
|
|
2495 ctx->output = 0;
|
|
|
2496 }
|
|
|
2497
|
|
178
|
2498 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
2499
|
|
58
|
2500 return NGX_OK;
|
|
100
|
2501
|
|
|
2502 invalid_expression:
|
|
|
2503
|
|
|
2504 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2505 "invalid expression in \"%V\"", expr);
|
|
|
2506
|
|
|
2507 return NGX_HTTP_SSI_ERROR;
|
|
58
|
2508 }
|
|
|
2509
|
|
|
2510
|
|
|
2511 static ngx_int_t
|
|
|
2512 ngx_http_ssi_else(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2513 ngx_str_t **params)
|
|
|
2514 {
|
|
192
|
2515 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2516 "ssi else");
|
|
|
2517
|
|
178
|
2518 if (ctx->output_chosen) {
|
|
|
2519 ctx->output = 0;
|
|
|
2520 } else {
|
|
|
2521 ctx->output = 1;
|
|
|
2522 }
|
|
|
2523
|
|
|
2524 ctx->conditional = NGX_HTTP_SSI_COND_ELSE;
|
|
58
|
2525
|
|
|
2526 return NGX_OK;
|
|
|
2527 }
|
|
|
2528
|
|
|
2529
|
|
|
2530 static ngx_int_t
|
|
|
2531 ngx_http_ssi_endif(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2532 ngx_str_t **params)
|
|
|
2533 {
|
|
192
|
2534 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2535 "ssi endif");
|
|
|
2536
|
|
58
|
2537 ctx->output = 1;
|
|
178
|
2538 ctx->output_chosen = 0;
|
|
|
2539 ctx->conditional = 0;
|
|
58
|
2540
|
|
|
2541 return NGX_OK;
|
|
|
2542 }
|
|
|
2543
|
|
|
2544
|
|
122
|
2545 static ngx_int_t
|
|
216
|
2546 ngx_http_ssi_block(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2547 ngx_str_t **params)
|
|
|
2548 {
|
|
|
2549 ngx_http_ssi_ctx_t *mctx;
|
|
|
2550 ngx_http_ssi_block_t *bl;
|
|
|
2551
|
|
|
2552 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2553 "ssi block");
|
|
|
2554
|
|
|
2555 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
2556
|
|
|
2557 if (mctx->blocks == NULL) {
|
|
|
2558 mctx->blocks = ngx_array_create(r->pool, 4,
|
|
|
2559 sizeof(ngx_http_ssi_block_t));
|
|
|
2560 if (mctx->blocks == NULL) {
|
|
|
2561 return NGX_HTTP_SSI_ERROR;
|
|
|
2562 }
|
|
|
2563 }
|
|
|
2564
|
|
|
2565 bl = ngx_array_push(mctx->blocks);
|
|
|
2566 if (bl == NULL) {
|
|
|
2567 return NGX_HTTP_SSI_ERROR;
|
|
|
2568 }
|
|
|
2569
|
|
|
2570 bl->name = *params[NGX_HTTP_SSI_BLOCK_NAME];
|
|
|
2571 bl->bufs = NULL;
|
|
|
2572 bl->count = 0;
|
|
|
2573
|
|
|
2574 ctx->output = 0;
|
|
|
2575 ctx->block = 1;
|
|
|
2576
|
|
|
2577 return NGX_OK;
|
|
|
2578 }
|
|
|
2579
|
|
|
2580
|
|
|
2581 static ngx_int_t
|
|
|
2582 ngx_http_ssi_endblock(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2583 ngx_str_t **params)
|
|
|
2584 {
|
|
|
2585 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2586 "ssi endblock");
|
|
|
2587
|
|
|
2588 ctx->output = 1;
|
|
|
2589 ctx->block = 0;
|
|
|
2590
|
|
|
2591 return NGX_OK;
|
|
|
2592 }
|
|
|
2593
|
|
|
2594
|
|
|
2595 static ngx_int_t
|
|
122
|
2596 ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
|
|
380
|
2597 ngx_http_variable_value_t *v, uintptr_t gmt)
|
|
58
|
2598 {
|
|
122
|
2599 ngx_http_ssi_ctx_t *ctx;
|
|
|
2600 ngx_time_t *tp;
|
|
|
2601 struct tm tm;
|
|
|
2602 char buf[NGX_HTTP_SSI_DATE_LEN];
|
|
|
2603
|
|
126
|
2604 v->valid = 1;
|
|
340
|
2605 v->no_cacheable = 0;
|
|
122
|
2606 v->not_found = 0;
|
|
58
|
2607
|
|
112
|
2608 tp = ngx_timeofday();
|
|
|
2609
|
|
58
|
2610 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
2611
|
|
340
|
2612 if (ctx == NULL
|
|
|
2613 || (ctx->timefmt.len == sizeof("%s") - 1
|
|
|
2614 && ctx->timefmt.data[0] == '%' && ctx->timefmt.data[1] == 's'))
|
|
58
|
2615 {
|
|
382
|
2616 v->data = ngx_pnalloc(r->pool, NGX_TIME_T_LEN);
|
|
122
|
2617 if (v->data == NULL) {
|
|
|
2618 return NGX_ERROR;
|
|
58
|
2619 }
|
|
|
2620
|
|
122
|
2621 v->len = ngx_sprintf(v->data, "%T", tp->sec + (gmt ? 0 : tp->gmtoff))
|
|
|
2622 - v->data;
|
|
206
|
2623
|
|
122
|
2624 return NGX_OK;
|
|
58
|
2625 }
|
|
|
2626
|
|
|
2627 if (gmt) {
|
|
112
|
2628 ngx_libc_gmtime(tp->sec, &tm);
|
|
58
|
2629 } else {
|
|
112
|
2630 ngx_libc_localtime(tp->sec, &tm);
|
|
58
|
2631 }
|
|
|
2632
|
|
122
|
2633 v->len = strftime(buf, NGX_HTTP_SSI_DATE_LEN,
|
|
|
2634 (char *) ctx->timefmt.data, &tm);
|
|
|
2635 if (v->len == 0) {
|
|
|
2636 return NGX_ERROR;
|
|
58
|
2637 }
|
|
|
2638
|
|
382
|
2639 v->data = ngx_pnalloc(r->pool, v->len);
|
|
122
|
2640 if (v->data == NULL) {
|
|
|
2641 return NGX_ERROR;
|
|
58
|
2642 }
|
|
|
2643
|
|
122
|
2644 ngx_memcpy(v->data, buf, v->len);
|
|
|
2645
|
|
|
2646 return NGX_OK;
|
|
58
|
2647 }
|
|
|
2648
|
|
|
2649
|
|
|
2650 static ngx_int_t
|
|
146
|
2651 ngx_http_ssi_preconfiguration(ngx_conf_t *cf)
|
|
58
|
2652 {
|
|
146
|
2653 ngx_int_t rc;
|
|
|
2654 ngx_http_variable_t *var, *v;
|
|
|
2655 ngx_http_ssi_command_t *cmd;
|
|
|
2656 ngx_http_ssi_main_conf_t *smcf;
|
|
58
|
2657
|
|
|
2658 for (v = ngx_http_ssi_vars; v->name.len; v++) {
|
|
|
2659 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
2660 if (var == NULL) {
|
|
|
2661 return NGX_ERROR;
|
|
|
2662 }
|
|
|
2663
|
|
186
|
2664 var->get_handler = v->get_handler;
|
|
58
|
2665 var->data = v->data;
|
|
|
2666 }
|
|
|
2667
|
|
146
|
2668 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
2669
|
|
|
2670 for (cmd = ngx_http_ssi_commands; cmd->name.len; cmd++) {
|
|
|
2671 rc = ngx_hash_add_key(&smcf->commands, &cmd->name, cmd,
|
|
|
2672 NGX_HASH_READONLY_KEY);
|
|
|
2673
|
|
|
2674 if (rc == NGX_OK) {
|
|
|
2675 continue;
|
|
|
2676 }
|
|
|
2677
|
|
|
2678 if (rc == NGX_BUSY) {
|
|
|
2679 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2680 "conflicting SSI command \"%V\"", &cmd->name);
|
|
|
2681 }
|
|
|
2682
|
|
|
2683 return NGX_ERROR;
|
|
|
2684 }
|
|
|
2685
|
|
126
|
2686 return NGX_OK;
|
|
58
|
2687 }
|
|
|
2688
|
|
|
2689
|
|
46
|
2690 static void *
|
|
146
|
2691 ngx_http_ssi_create_main_conf(ngx_conf_t *cf)
|
|
|
2692 {
|
|
|
2693 ngx_http_ssi_main_conf_t *smcf;
|
|
|
2694
|
|
|
2695 smcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_main_conf_t));
|
|
|
2696 if (smcf == NULL) {
|
|
|
2697 return NGX_CONF_ERROR;
|
|
|
2698 }
|
|
|
2699
|
|
|
2700 smcf->commands.pool = cf->pool;
|
|
|
2701 smcf->commands.temp_pool = cf->temp_pool;
|
|
|
2702
|
|
|
2703 if (ngx_hash_keys_array_init(&smcf->commands, NGX_HASH_SMALL) != NGX_OK) {
|
|
|
2704 return NGX_CONF_ERROR;
|
|
|
2705 }
|
|
|
2706
|
|
|
2707 return smcf;
|
|
|
2708 }
|
|
|
2709
|
|
|
2710
|
|
|
2711 static char *
|
|
|
2712 ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
2713 {
|
|
|
2714 ngx_http_ssi_main_conf_t *smcf = conf;
|
|
|
2715
|
|
|
2716 ngx_hash_init_t hash;
|
|
|
2717
|
|
|
2718 hash.hash = &smcf->hash;
|
|
|
2719 hash.key = ngx_hash_key;
|
|
|
2720 hash.max_size = 1024;
|
|
|
2721 hash.bucket_size = ngx_cacheline_size;
|
|
|
2722 hash.name = "ssi_command_hash";
|
|
|
2723 hash.pool = cf->pool;
|
|
|
2724 hash.temp_pool = NULL;
|
|
|
2725
|
|
|
2726 if (ngx_hash_init(&hash, smcf->commands.keys.elts,
|
|
|
2727 smcf->commands.keys.nelts)
|
|
|
2728 != NGX_OK)
|
|
|
2729 {
|
|
|
2730 return NGX_CONF_ERROR;
|
|
|
2731 }
|
|
|
2732
|
|
|
2733 return NGX_CONF_OK;
|
|
|
2734 }
|
|
|
2735
|
|
|
2736
|
|
|
2737 static void *
|
|
296
|
2738 ngx_http_ssi_create_loc_conf(ngx_conf_t *cf)
|
|
46
|
2739 {
|
|
146
|
2740 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
2741
|
|
|
2742 slcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_loc_conf_t));
|
|
|
2743 if (slcf == NULL) {
|
|
46
|
2744 return NGX_CONF_ERROR;
|
|
|
2745 }
|
|
|
2746
|
|
76
|
2747 /*
|
|
|
2748 * set by ngx_pcalloc():
|
|
|
2749 *
|
|
394
|
2750 * conf->types = { NULL };
|
|
|
2751 * conf->types_keys = NULL;
|
|
76
|
2752 */
|
|
|
2753
|
|
146
|
2754 slcf->enable = NGX_CONF_UNSET;
|
|
|
2755 slcf->silent_errors = NGX_CONF_UNSET;
|
|
|
2756 slcf->ignore_recycled_buffers = NGX_CONF_UNSET;
|
|
|
2757
|
|
|
2758 slcf->min_file_chunk = NGX_CONF_UNSET_SIZE;
|
|
|
2759 slcf->value_len = NGX_CONF_UNSET_SIZE;
|
|
|
2760
|
|
|
2761 return slcf;
|
|
46
|
2762 }
|
|
|
2763
|
|
|
2764
|
|
|
2765 static char *
|
|
296
|
2766 ngx_http_ssi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
46
|
2767 {
|
|
146
|
2768 ngx_http_ssi_loc_conf_t *prev = parent;
|
|
|
2769 ngx_http_ssi_loc_conf_t *conf = child;
|
|
46
|
2770
|
|
|
2771 ngx_conf_merge_value(conf->enable, prev->enable, 0);
|
|
|
2772 ngx_conf_merge_value(conf->silent_errors, prev->silent_errors, 0);
|
|
58
|
2773 ngx_conf_merge_value(conf->ignore_recycled_buffers,
|
|
|
2774 prev->ignore_recycled_buffers, 0);
|
|
46
|
2775
|
|
|
2776 ngx_conf_merge_size_value(conf->min_file_chunk, prev->min_file_chunk, 1024);
|
|
|
2777 ngx_conf_merge_size_value(conf->value_len, prev->value_len, 256);
|
|
|
2778
|
|
394
|
2779 if (ngx_http_merge_types(cf, conf->types_keys, &conf->types,
|
|
|
2780 prev->types_keys, &prev->types,
|
|
|
2781 ngx_http_html_default_types)
|
|
|
2782 != NGX_OK)
|
|
|
2783 {
|
|
|
2784 return NGX_CONF_ERROR;
|
|
76
|
2785 }
|
|
|
2786
|
|
46
|
2787 return NGX_CONF_OK;
|
|
|
2788 }
|
|
|
2789
|
|
|
2790
|
|
|
2791 static ngx_int_t
|
|
230
|
2792 ngx_http_ssi_filter_init(ngx_conf_t *cf)
|
|
46
|
2793 {
|
|
|
2794 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
|
2795 ngx_http_top_header_filter = ngx_http_ssi_header_filter;
|
|
|
2796
|
|
|
2797 ngx_http_next_body_filter = ngx_http_top_body_filter;
|
|
|
2798 ngx_http_top_body_filter = ngx_http_ssi_body_filter;
|
|
|
2799
|
|
|
2800 return NGX_OK;
|
|
|
2801 }
|
