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