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46
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10
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102
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11 #define NGX_HTTP_SSI_ERROR 1
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12
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13 #define NGX_HTTP_SSI_DATE_LEN 2048
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14
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15 #define NGX_HTTP_SSI_ADD_PREFIX 1
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178
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16 #define NGX_HTTP_SSI_ADD_ZERO 2
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184
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17 #define NGX_HTTP_SSI_EXPR_TEST 4
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58
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18
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46
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19
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20 typedef struct {
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146
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21 ngx_flag_t enable;
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22 ngx_flag_t silent_errors;
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23 ngx_flag_t ignore_recycled_buffers;
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24
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25 ngx_array_t *types; /* array of ngx_str_t */
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26
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27 size_t min_file_chunk;
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28 size_t value_len;
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29 } ngx_http_ssi_loc_conf_t;
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102
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30
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31
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32 typedef struct {
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146
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33 ngx_str_t name;
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160
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34 ngx_uint_t key;
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146
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35 ngx_str_t value;
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36 } ngx_http_ssi_var_t;
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46
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37
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38
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216
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39 typedef struct {
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40 ngx_str_t name;
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41 ngx_chain_t *bufs;
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42 ngx_uint_t count;
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43 } ngx_http_ssi_block_t;
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44
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45
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46
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46 typedef enum {
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47 ssi_start_state = 0,
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48 ssi_tag_state,
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49 ssi_comment0_state,
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50 ssi_comment1_state,
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51 ssi_sharp_state,
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52 ssi_precommand_state,
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53 ssi_command_state,
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54 ssi_preparam_state,
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55 ssi_param_state,
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56 ssi_preequal_state,
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57 ssi_prevalue_state,
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58 ssi_double_quoted_value_state,
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59 ssi_quoted_value_state,
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60 ssi_quoted_symbol_state,
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61 ssi_postparam_state,
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62 ssi_comment_end0_state,
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63 ssi_comment_end1_state,
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64 ssi_error_state,
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65 ssi_error_end0_state,
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66 ssi_error_end1_state
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67 } ngx_http_ssi_state_e;
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68
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69
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58
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70 static ngx_int_t ngx_http_ssi_output(ngx_http_request_t *r,
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71 ngx_http_ssi_ctx_t *ctx);
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46
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72 static ngx_int_t ngx_http_ssi_parse(ngx_http_request_t *r,
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73 ngx_http_ssi_ctx_t *ctx);
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102
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74 static ngx_str_t *ngx_http_ssi_get_variable(ngx_http_request_t *r,
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160
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75 ngx_str_t *name, ngx_uint_t key);
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102
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76 static ngx_int_t ngx_http_ssi_evaluate_string(ngx_http_request_t *r,
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77 ngx_http_ssi_ctx_t *ctx, ngx_str_t *text, ngx_uint_t flags);
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78
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79 static ngx_int_t ngx_http_ssi_include(ngx_http_request_t *r,
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80 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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248
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81 static ngx_int_t ngx_http_ssi_stub_output(ngx_http_request_t *r, void *data,
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82 ngx_int_t rc);
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83 static ngx_int_t ngx_http_ssi_set_variable(ngx_http_request_t *r, void *data,
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84 ngx_int_t rc);
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46
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85 static ngx_int_t ngx_http_ssi_echo(ngx_http_request_t *r,
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86 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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58
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87 static ngx_int_t ngx_http_ssi_config(ngx_http_request_t *r,
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88 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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102
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89 static ngx_int_t ngx_http_ssi_set(ngx_http_request_t *r,
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58
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90 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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91 static ngx_int_t ngx_http_ssi_if(ngx_http_request_t *r,
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92 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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93 static ngx_int_t ngx_http_ssi_else(ngx_http_request_t *r,
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94 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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95 static ngx_int_t ngx_http_ssi_endif(ngx_http_request_t *r,
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96 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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216
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97 static ngx_int_t ngx_http_ssi_block(ngx_http_request_t *r,
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98 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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99 static ngx_int_t ngx_http_ssi_endblock(ngx_http_request_t *r,
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100 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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46
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101
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122
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102 static ngx_int_t ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
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103 ngx_http_variable_value_t *v, uintptr_t gmt);
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104
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76
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105 static char *ngx_http_ssi_types(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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106
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146
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107 static ngx_int_t ngx_http_ssi_preconfiguration(ngx_conf_t *cf);
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108 static void *ngx_http_ssi_create_main_conf(ngx_conf_t *cf);
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109 static char *ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf);
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296
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110 static void *ngx_http_ssi_create_loc_conf(ngx_conf_t *cf);
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111 static char *ngx_http_ssi_merge_loc_conf(ngx_conf_t *cf,
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46
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112 void *parent, void *child);
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230
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113 static ngx_int_t ngx_http_ssi_filter_init(ngx_conf_t *cf);
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46
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114
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115
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116 static ngx_command_t ngx_http_ssi_filter_commands[] = {
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117
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118 { ngx_string("ssi"),
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230
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119 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
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120 |NGX_CONF_FLAG,
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121 ngx_conf_set_flag_slot,
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122 NGX_HTTP_LOC_CONF_OFFSET,
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146
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123 offsetof(ngx_http_ssi_loc_conf_t, enable),
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124 NULL },
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125
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126 { ngx_string("ssi_silent_errors"),
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127 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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128 ngx_conf_set_flag_slot,
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129 NGX_HTTP_LOC_CONF_OFFSET,
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146
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130 offsetof(ngx_http_ssi_loc_conf_t, silent_errors),
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131 NULL },
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132
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58
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133 { ngx_string("ssi_ignore_recycled_buffers"),
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134 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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135 ngx_conf_set_flag_slot,
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136 NGX_HTTP_LOC_CONF_OFFSET,
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146
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137 offsetof(ngx_http_ssi_loc_conf_t, ignore_recycled_buffers),
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138 NULL },
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139
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46
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140 { ngx_string("ssi_min_file_chunk"),
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141 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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142 ngx_conf_set_size_slot,
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143 NGX_HTTP_LOC_CONF_OFFSET,
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144 offsetof(ngx_http_ssi_loc_conf_t, min_file_chunk),
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145 NULL },
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146
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138
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147 { ngx_string("ssi_value_length"),
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148 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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149 ngx_conf_set_size_slot,
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150 NGX_HTTP_LOC_CONF_OFFSET,
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146
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151 offsetof(ngx_http_ssi_loc_conf_t, value_len),
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138
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152 NULL },
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153
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76
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154 { ngx_string("ssi_types"),
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155 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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156 ngx_http_ssi_types,
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157 NGX_HTTP_LOC_CONF_OFFSET,
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158 0,
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159 NULL },
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160
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46
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161 ngx_null_command
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162 };
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163
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164
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126
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165
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46
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166 static ngx_http_module_t ngx_http_ssi_filter_module_ctx = {
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146
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167 ngx_http_ssi_preconfiguration, /* preconfiguration */
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230
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168 ngx_http_ssi_filter_init, /* postconfiguration */
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46
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169
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146
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170 ngx_http_ssi_create_main_conf, /* create main configuration */
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171 ngx_http_ssi_init_main_conf, /* init main configuration */
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46
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172
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173 NULL, /* create server configuration */
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174 NULL, /* merge server configuration */
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175
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296
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176 ngx_http_ssi_create_loc_conf, /* create location configuration */
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177 ngx_http_ssi_merge_loc_conf /* merge location configuration */
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126
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178 };
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46
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179
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180
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181 ngx_module_t ngx_http_ssi_filter_module = {
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58
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182 NGX_MODULE_V1,
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46
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183 &ngx_http_ssi_filter_module_ctx, /* module context */
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184 ngx_http_ssi_filter_commands, /* module directives */
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185 NGX_HTTP_MODULE, /* module type */
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90
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186 NULL, /* init master */
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230
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187 NULL, /* init module */
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90
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188 NULL, /* init process */
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189 NULL, /* init thread */
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190 NULL, /* exit thread */
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191 NULL, /* exit process */
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192 NULL, /* exit master */
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193 NGX_MODULE_V1_PADDING
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46
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194 };
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195
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196
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118
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197 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
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198 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
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46
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199
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200
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201 static u_char ngx_http_ssi_string[] = "<!--";
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202
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203 static ngx_str_t ngx_http_ssi_none = ngx_string("(none)");
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248
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204 static ngx_str_t ngx_http_ssi_null_string = ngx_null_string;
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205
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46
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206
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102
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207 #define NGX_HTTP_SSI_INCLUDE_VIRTUAL 0
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208 #define NGX_HTTP_SSI_INCLUDE_FILE 1
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194
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209 #define NGX_HTTP_SSI_INCLUDE_WAIT 2
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248
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210 #define NGX_HTTP_SSI_INCLUDE_SET 3
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211 #define NGX_HTTP_SSI_INCLUDE_STUB 4
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212
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213 #define NGX_HTTP_SSI_ECHO_VAR 0
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214 #define NGX_HTTP_SSI_ECHO_DEFAULT 1
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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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240 { ngx_null_string, 0, 0, 0 }
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241 };
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242
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243
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244 static ngx_http_ssi_param_t ngx_http_ssi_config_params[] = {
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146
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245 { ngx_string("errmsg"), NGX_HTTP_SSI_CONFIG_ERRMSG, 0, 0 },
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246 { ngx_string("timefmt"), NGX_HTTP_SSI_CONFIG_TIMEFMT, 0, 0 },
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247 { ngx_null_string, 0, 0, 0 }
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58
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248 };
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249
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250
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102
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251 static ngx_http_ssi_param_t ngx_http_ssi_set_params[] = {
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146
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252 { ngx_string("var"), NGX_HTTP_SSI_SET_VAR, 1, 0 },
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253 { ngx_string("value"), NGX_HTTP_SSI_SET_VALUE, 1, 0 },
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254 { ngx_null_string, 0, 0, 0 }
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102
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255 };
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256
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257
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58
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258 static ngx_http_ssi_param_t ngx_http_ssi_if_params[] = {
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146
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259 { ngx_string("expr"), NGX_HTTP_SSI_IF_EXPR, 1, 0 },
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260 { ngx_null_string, 0, 0, 0 }
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58
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261 };
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262
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263
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216
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264 static ngx_http_ssi_param_t ngx_http_ssi_block_params[] = {
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265 { ngx_string("name"), NGX_HTTP_SSI_BLOCK_NAME, 1, 0 },
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266 { ngx_null_string, 0, 0, 0 }
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267 };
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268
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269
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58
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270 static ngx_http_ssi_param_t ngx_http_ssi_no_params[] = {
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146
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271 { ngx_null_string, 0, 0, 0 }
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58
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272 };
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273
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46
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274
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275 static ngx_http_ssi_command_t ngx_http_ssi_commands[] = {
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102
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276 { ngx_string("include"), ngx_http_ssi_include,
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216
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277 ngx_http_ssi_include_params, 0, 0, 1 },
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278 { ngx_string("echo"), ngx_http_ssi_echo,
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279 ngx_http_ssi_echo_params, 0, 0, 0 },
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58
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280 { ngx_string("config"), ngx_http_ssi_config,
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216
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281 ngx_http_ssi_config_params, 0, 0, 0 },
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282 { ngx_string("set"), ngx_http_ssi_set, ngx_http_ssi_set_params, 0, 0, 0 },
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283
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284 { ngx_string("if"), ngx_http_ssi_if, ngx_http_ssi_if_params, 0, 0, 0 },
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178
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285 { ngx_string("elif"), ngx_http_ssi_if, ngx_http_ssi_if_params,
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216
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286 NGX_HTTP_SSI_COND_IF, 0, 0 },
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178
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287 { ngx_string("else"), ngx_http_ssi_else, ngx_http_ssi_no_params,
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216
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288 NGX_HTTP_SSI_COND_IF, 0, 0 },
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178
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289 { ngx_string("endif"), ngx_http_ssi_endif, ngx_http_ssi_no_params,
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216
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290 NGX_HTTP_SSI_COND_ELSE, 0, 0 },
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291
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292 { ngx_string("block"), ngx_http_ssi_block,
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293 ngx_http_ssi_block_params, 0, 0, 0 },
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294 { ngx_string("endblock"), ngx_http_ssi_endblock,
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295 ngx_http_ssi_no_params, 0, 1, 0 },
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296
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297 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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46
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298 };
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299
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300
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58
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301 static ngx_http_variable_t ngx_http_ssi_vars[] = {
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302
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186
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303 { ngx_string("date_local"), NULL, ngx_http_ssi_date_gmt_local_variable, 0,
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82
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304 NGX_HTTP_VAR_NOCACHABLE, 0 },
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58
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305
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186
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306 { ngx_string("date_gmt"), NULL, ngx_http_ssi_date_gmt_local_variable, 1,
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82
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307 NGX_HTTP_VAR_NOCACHABLE, 0 },
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58
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308
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186
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309 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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58
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310 };
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311
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312
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313
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46
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314 static ngx_int_t
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315 ngx_http_ssi_header_filter(ngx_http_request_t *r)
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316 {
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146
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317 ngx_uint_t i;
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318 ngx_str_t *type;
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319 ngx_http_ssi_ctx_t *ctx;
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320 ngx_http_ssi_loc_conf_t *slcf;
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321
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322 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
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323
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324 if (!slcf->enable
|
|
126
|
325 || r->headers_out.content_type.len == 0
|
|
|
326 || r->headers_out.content_length_n == 0)
|
|
46
|
327 {
|
|
|
328 return ngx_http_next_header_filter(r);
|
|
|
329 }
|
|
|
330
|
|
|
331
|
|
146
|
332 type = slcf->types->elts;
|
|
|
333 for (i = 0; i < slcf->types->nelts; i++) {
|
|
76
|
334 if (r->headers_out.content_type.len >= type[i].len
|
|
|
335 && ngx_strncasecmp(r->headers_out.content_type.data,
|
|
|
336 type[i].data, type[i].len) == 0)
|
|
|
337 {
|
|
|
338 goto found;
|
|
|
339 }
|
|
|
340 }
|
|
|
341
|
|
|
342 return ngx_http_next_header_filter(r);
|
|
|
343
|
|
|
344
|
|
|
345 found:
|
|
|
346
|
|
48
|
347 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_ssi_ctx_t));
|
|
|
348 if (ctx == NULL) {
|
|
46
|
349 return NGX_ERROR;
|
|
|
350 }
|
|
|
351
|
|
|
352 ngx_http_set_ctx(r, ctx, ngx_http_ssi_filter_module);
|
|
|
353
|
|
|
354
|
|
146
|
355 ctx->value_len = slcf->value_len;
|
|
46
|
356 ctx->last_out = &ctx->out;
|
|
|
357
|
|
58
|
358 ctx->output = 1;
|
|
|
359
|
|
46
|
360 ctx->params.elts = ctx->params_array;
|
|
|
361 ctx->params.size = sizeof(ngx_table_elt_t);
|
|
|
362 ctx->params.nalloc = NGX_HTTP_SSI_PARAMS_N;
|
|
|
363 ctx->params.pool = r->pool;
|
|
|
364
|
|
58
|
365 ctx->timefmt.len = sizeof("%A, %d-%b-%Y %H:%M:%S %Z") - 1;
|
|
|
366 ctx->timefmt.data = (u_char *) "%A, %d-%b-%Y %H:%M:%S %Z";
|
|
46
|
367
|
|
96
|
368 ctx->errmsg.len =
|
|
|
369 sizeof("[an error occurred while processing the directive]") - 1;
|
|
|
370 ctx->errmsg.data = (u_char *)
|
|
|
371 "[an error occurred while processing the directive]";
|
|
|
372
|
|
46
|
373 r->filter_need_in_memory = 1;
|
|
|
374
|
|
146
|
375 if (r == r->main) {
|
|
126
|
376 ngx_http_clear_content_length(r);
|
|
|
377 ngx_http_clear_last_modified(r);
|
|
58
|
378 }
|
|
|
379
|
|
46
|
380 return ngx_http_next_header_filter(r);
|
|
|
381 }
|
|
|
382
|
|
|
383
|
|
|
384 static ngx_int_t
|
|
|
385 ngx_http_ssi_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
|
|
|
386 {
|
|
216
|
387 size_t len;
|
|
146
|
388 ngx_int_t rc;
|
|
|
389 ngx_buf_t *b;
|
|
|
390 ngx_uint_t i, index;
|
|
216
|
391 ngx_chain_t *cl, **ll;
|
|
146
|
392 ngx_table_elt_t *param;
|
|
246
|
393 ngx_http_request_t *pr;
|
|
216
|
394 ngx_http_ssi_ctx_t *ctx, *mctx;
|
|
|
395 ngx_http_ssi_block_t *bl;
|
|
146
|
396 ngx_http_ssi_param_t *prm;
|
|
|
397 ngx_http_ssi_command_t *cmd;
|
|
|
398 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
399 ngx_http_ssi_main_conf_t *smcf;
|
|
148
|
400 ngx_str_t *params[NGX_HTTP_SSI_MAX_PARAMS + 1];
|
|
46
|
401
|
|
|
402 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
403
|
|
194
|
404 if (ctx == NULL
|
|
|
405 || (in == NULL
|
|
|
406 && ctx->buf == NULL
|
|
|
407 && ctx->in == NULL
|
|
|
408 && ctx->busy == NULL))
|
|
|
409 {
|
|
46
|
410 return ngx_http_next_body_filter(r, in);
|
|
|
411 }
|
|
|
412
|
|
|
413 /* add the incoming chain to the chain ctx->in */
|
|
|
414
|
|
|
415 if (in) {
|
|
|
416 if (ngx_chain_add_copy(r->pool, &ctx->in, in) == NGX_ERROR) {
|
|
|
417 return NGX_ERROR;
|
|
|
418 }
|
|
|
419 }
|
|
|
420
|
|
194
|
421 if (ctx->wait) {
|
|
|
422 if (r->connection->data != r) {
|
|
|
423 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
424 "http ssi filter \"%V\" wait", &r->uri);
|
|
|
425 return NGX_AGAIN;
|
|
|
426 }
|
|
|
427
|
|
246
|
428 for (pr = ctx->wait->parent; pr; pr = pr->parent) {
|
|
|
429 if (pr == r) {
|
|
|
430 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
431 "http ssi filter \"%V\" flush", &r->uri);
|
|
|
432
|
|
|
433 rc = ngx_http_next_body_filter(r, NULL);
|
|
|
434
|
|
|
435 if (ctx->wait->done) {
|
|
|
436 ctx->wait = NULL;
|
|
|
437 }
|
|
|
438
|
|
|
439 if (rc == NGX_ERROR || rc == NGX_AGAIN) {
|
|
|
440 return rc;
|
|
|
441 }
|
|
322
|
442
|
|
|
443 break;
|
|
246
|
444 }
|
|
|
445 }
|
|
|
446
|
|
244
|
447 if (ctx->wait == r) {
|
|
|
448 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
449 "http ssi filter \"%V\" continue", &r->uri);
|
|
|
450 ctx->wait = NULL;
|
|
|
451 }
|
|
194
|
452 }
|
|
|
453
|
|
146
|
454 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
46
|
455
|
|
58
|
456 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
457 "http ssi filter \"%V\"", &r->uri);
|
|
46
|
458
|
|
48
|
459 while (ctx->in || ctx->buf) {
|
|
46
|
460
|
|
48
|
461 if (ctx->buf == NULL ){
|
|
|
462 ctx->buf = ctx->in->buf;
|
|
|
463 ctx->in = ctx->in->next;
|
|
|
464 ctx->pos = ctx->buf->pos;
|
|
|
465 }
|
|
46
|
466
|
|
|
467 if (ctx->state == ssi_start_state) {
|
|
|
468 ctx->copy_start = ctx->pos;
|
|
|
469 ctx->copy_end = ctx->pos;
|
|
|
470 }
|
|
|
471
|
|
48
|
472 b = NULL;
|
|
|
473
|
|
46
|
474 while (ctx->pos < ctx->buf->last) {
|
|
|
475
|
|
|
476 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
477 "saved: %d state: %d", ctx->saved, ctx->state);
|
|
|
478
|
|
|
479 rc = ngx_http_ssi_parse(r, ctx);
|
|
|
480
|
|
|
481 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
482 "parse: %d, looked: %d %p-%p",
|
|
|
483 rc, ctx->looked, ctx->copy_start, ctx->copy_end);
|
|
|
484
|
|
|
485 if (rc == NGX_ERROR) {
|
|
|
486 return rc;
|
|
|
487 }
|
|
|
488
|
|
|
489 if (ctx->copy_start != ctx->copy_end) {
|
|
|
490
|
|
58
|
491 if (ctx->output) {
|
|
|
492
|
|
|
493 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
494 "saved: %d", ctx->saved);
|
|
|
495
|
|
|
496 if (ctx->saved) {
|
|
|
497
|
|
|
498 if (ctx->free) {
|
|
|
499 cl = ctx->free;
|
|
|
500 ctx->free = ctx->free->next;
|
|
|
501 b = cl->buf;
|
|
|
502 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
46
|
503
|
|
58
|
504 } else {
|
|
|
505 b = ngx_calloc_buf(r->pool);
|
|
|
506 if (b == NULL) {
|
|
|
507 return NGX_ERROR;
|
|
|
508 }
|
|
|
509
|
|
|
510 cl = ngx_alloc_chain_link(r->pool);
|
|
|
511 if (cl == NULL) {
|
|
|
512 return NGX_ERROR;
|
|
|
513 }
|
|
|
514
|
|
|
515 cl->buf = b;
|
|
|
516 }
|
|
|
517
|
|
|
518 b->memory = 1;
|
|
|
519 b->pos = ngx_http_ssi_string;
|
|
|
520 b->last = ngx_http_ssi_string + ctx->saved;
|
|
|
521
|
|
|
522 *ctx->last_out = cl;
|
|
|
523 ctx->last_out = &cl->next;
|
|
|
524
|
|
|
525 ctx->saved = 0;
|
|
|
526 }
|
|
48
|
527
|
|
|
528 if (ctx->free) {
|
|
|
529 cl = ctx->free;
|
|
|
530 ctx->free = ctx->free->next;
|
|
|
531 b = cl->buf;
|
|
|
532
|
|
|
533 } else {
|
|
58
|
534 b = ngx_alloc_buf(r->pool);
|
|
48
|
535 if (b == NULL) {
|
|
|
536 return NGX_ERROR;
|
|
|
537 }
|
|
|
538
|
|
|
539 cl = ngx_alloc_chain_link(r->pool);
|
|
|
540 if (cl == NULL) {
|
|
|
541 return NGX_ERROR;
|
|
|
542 }
|
|
|
543
|
|
|
544 cl->buf = b;
|
|
46
|
545 }
|
|
|
546
|
|
58
|
547 ngx_memcpy(b, ctx->buf, sizeof(ngx_buf_t));
|
|
|
548
|
|
62
|
549 b->pos = ctx->copy_start;
|
|
|
550 b->last = ctx->copy_end;
|
|
|
551 b->shadow = NULL;
|
|
58
|
552 b->last_buf = 0;
|
|
|
553 b->recycled = 0;
|
|
46
|
554
|
|
58
|
555 if (b->in_file) {
|
|
146
|
556 if (slcf->min_file_chunk < (size_t) (b->last - b->pos))
|
|
58
|
557 {
|
|
|
558 b->file_last = b->file_pos + (b->last - b->start);
|
|
|
559 b->file_pos += b->pos - b->start;
|
|
|
560
|
|
|
561 } else {
|
|
|
562 b->in_file = 0;
|
|
|
563 }
|
|
|
564 }
|
|
|
565
|
|
|
566 cl->next = NULL;
|
|
46
|
567 *ctx->last_out = cl;
|
|
|
568 ctx->last_out = &cl->next;
|
|
|
569
|
|
58
|
570 } else {
|
|
216
|
571 if (ctx->block
|
|
|
572 && ctx->saved + (ctx->copy_end - ctx->copy_start))
|
|
|
573 {
|
|
|
574 b = ngx_create_temp_buf(r->pool,
|
|
|
575 ctx->saved + (ctx->copy_end - ctx->copy_start));
|
|
|
576
|
|
|
577 if (b == NULL) {
|
|
|
578 return NGX_ERROR;
|
|
|
579 }
|
|
|
580
|
|
|
581 if (ctx->saved) {
|
|
|
582 b->last = ngx_cpymem(b->pos, ngx_http_ssi_string,
|
|
|
583 ctx->saved);
|
|
|
584 }
|
|
|
585
|
|
|
586 b->last = ngx_cpymem(b->last, ctx->copy_start,
|
|
|
587 ctx->copy_end - ctx->copy_start);
|
|
|
588
|
|
|
589 cl = ngx_alloc_chain_link(r->pool);
|
|
|
590 if (cl == NULL) {
|
|
|
591 return NGX_ERROR;
|
|
|
592 }
|
|
|
593
|
|
|
594 cl->buf = b;
|
|
|
595 cl->next = NULL;
|
|
|
596
|
|
|
597 b = NULL;
|
|
|
598
|
|
|
599 mctx = ngx_http_get_module_ctx(r->main,
|
|
|
600 ngx_http_ssi_filter_module);
|
|
|
601 bl = mctx->blocks->elts;
|
|
|
602 for (ll = &bl[mctx->blocks->nelts - 1].bufs;
|
|
|
603 *ll;
|
|
|
604 ll = &(*ll)->next)
|
|
|
605 {
|
|
|
606 /* void */
|
|
|
607 }
|
|
|
608
|
|
|
609 *ll = cl;
|
|
|
610 }
|
|
|
611
|
|
46
|
612 ctx->saved = 0;
|
|
|
613 }
|
|
|
614 }
|
|
|
615
|
|
|
616 if (ctx->state == ssi_start_state) {
|
|
|
617 ctx->copy_start = ctx->pos;
|
|
|
618 ctx->copy_end = ctx->pos;
|
|
|
619
|
|
|
620 } else {
|
|
|
621 ctx->copy_start = NULL;
|
|
|
622 ctx->copy_end = NULL;
|
|
|
623 }
|
|
|
624
|
|
|
625 if (rc == NGX_AGAIN) {
|
|
|
626 continue;
|
|
|
627 }
|
|
|
628
|
|
|
629
|
|
122
|
630 b = NULL;
|
|
|
631
|
|
46
|
632 if (rc == NGX_OK) {
|
|
|
633
|
|
146
|
634 smcf = ngx_http_get_module_main_conf(r,
|
|
|
635 ngx_http_ssi_filter_module);
|
|
|
636
|
|
|
637 cmd = ngx_hash_find(&smcf->hash, ctx->key, ctx->command.data,
|
|
|
638 ctx->command.len);
|
|
|
639
|
|
|
640 if (cmd == NULL) {
|
|
|
641 if (ctx->output) {
|
|
|
642 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
643 "invalid SSI command: \"%V\"",
|
|
|
644 &ctx->command);
|
|
|
645 goto ssi_error;
|
|
46
|
646 }
|
|
|
647
|
|
146
|
648 continue;
|
|
46
|
649 }
|
|
|
650
|
|
178
|
651 if (cmd->conditional
|
|
|
652 && (ctx->conditional == 0
|
|
|
653 || ctx->conditional > cmd->conditional))
|
|
|
654 {
|
|
|
655 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
656 "invalid context of SSI command: \"%V\"",
|
|
|
657 &ctx->command);
|
|
|
658 goto ssi_error;
|
|
|
659 }
|
|
|
660
|
|
216
|
661 if (!ctx->output && !cmd->block) {
|
|
|
662
|
|
|
663 if (ctx->block) {
|
|
|
664
|
|
|
665 /* reconstruct the SSI command text */
|
|
|
666
|
|
|
667 len = 5 + ctx->command.len + 4;
|
|
|
668
|
|
|
669 param = ctx->params.elts;
|
|
|
670 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
671 len += 1 + param[i].key.len + 2
|
|
|
672 + param[i].value.len + 1;
|
|
|
673 }
|
|
|
674
|
|
|
675 b = ngx_create_temp_buf(r->pool, len);
|
|
|
676
|
|
|
677 if (b == NULL) {
|
|
|
678 return NGX_ERROR;
|
|
|
679 }
|
|
|
680
|
|
|
681 cl = ngx_alloc_chain_link(r->pool);
|
|
|
682 if (cl == NULL) {
|
|
|
683 return NGX_ERROR;
|
|
|
684 }
|
|
|
685
|
|
|
686 cl->buf = b;
|
|
|
687 cl->next = NULL;
|
|
|
688
|
|
|
689 *b->last++ = '<';
|
|
|
690 *b->last++ = '!';
|
|
|
691 *b->last++ = '-';
|
|
|
692 *b->last++ = '-';
|
|
|
693 *b->last++ = '#';
|
|
|
694
|
|
|
695 b->last = ngx_cpymem(b->last, ctx->command.data,
|
|
|
696 ctx->command.len);
|
|
|
697
|
|
|
698 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
699 *b->last++ = ' ';
|
|
|
700 b->last = ngx_cpymem(b->last, param[i].key.data,
|
|
|
701 param[i].key.len);
|
|
|
702 *b->last++ = '=';
|
|
|
703 *b->last++ = '"';
|
|
|
704 b->last = ngx_cpymem(b->last, param[i].value.data,
|
|
|
705 param[i].value.len);
|
|
|
706 *b->last++ = '"';
|
|
|
707 }
|
|
|
708
|
|
|
709 *b->last++ = ' ';
|
|
|
710 *b->last++ = '-';
|
|
|
711 *b->last++ = '-';
|
|
|
712 *b->last++ = '>';
|
|
|
713
|
|
|
714 mctx = ngx_http_get_module_ctx(r->main,
|
|
|
715 ngx_http_ssi_filter_module);
|
|
|
716 bl = mctx->blocks->elts;
|
|
|
717 for (ll = &bl[mctx->blocks->nelts - 1].bufs;
|
|
|
718 *ll;
|
|
|
719 ll = &(*ll)->next)
|
|
|
720 {
|
|
|
721 /* void */
|
|
|
722 }
|
|
|
723
|
|
|
724 *ll = cl;
|
|
|
725
|
|
|
726 b = NULL;
|
|
|
727
|
|
|
728 continue;
|
|
|
729 }
|
|
|
730
|
|
|
731 if (cmd->conditional == 0) {
|
|
|
732 continue;
|
|
|
733 }
|
|
58
|
734 }
|
|
|
735
|
|
146
|
736 if (ctx->params.nelts > NGX_HTTP_SSI_MAX_PARAMS) {
|
|
|
737 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
738 "too many SSI command paramters: \"%V\"",
|
|
|
739 &ctx->command);
|
|
|
740 goto ssi_error;
|
|
|
741 }
|
|
|
742
|
|
46
|
743 ngx_memzero(params,
|
|
148
|
744 (NGX_HTTP_SSI_MAX_PARAMS + 1) * sizeof(ngx_str_t *));
|
|
46
|
745
|
|
|
746 param = ctx->params.elts;
|
|
|
747
|
|
|
748 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
749
|
|
|
750 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
751
|
|
|
752 if (param[i].key.len != prm->name.len
|
|
|
753 || ngx_strncmp(param[i].key.data, prm->name.data,
|
|
|
754 prm->name.len) != 0)
|
|
|
755 {
|
|
|
756 continue;
|
|
|
757 }
|
|
|
758
|
|
146
|
759 if (!prm->multiple) {
|
|
|
760 if (params[prm->index]) {
|
|
|
761 ngx_log_error(NGX_LOG_ERR,
|
|
|
762 r->connection->log, 0,
|
|
|
763 "duplicate \"%V\" parameter "
|
|
|
764 "in \"%V\" SSI command",
|
|
|
765 ¶m[i].key, &ctx->command);
|
|
|
766
|
|
|
767 goto ssi_error;
|
|
|
768 }
|
|
|
769
|
|
|
770 params[prm->index] = ¶m[i].value;
|
|
|
771
|
|
|
772 break;
|
|
46
|
773 }
|
|
|
774
|
|
146
|
775 for (index = prm->index; params[index]; index++) {
|
|
|
776 /* void */
|
|
|
777 }
|
|
|
778
|
|
|
779 params[index] = ¶m[i].value;
|
|
46
|
780
|
|
|
781 break;
|
|
|
782 }
|
|
|
783
|
|
|
784 if (prm->name.len == 0) {
|
|
|
785 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
786 "invalid parameter name: \"%V\" "
|
|
|
787 "in \"%V\" SSI command",
|
|
|
788 ¶m[i].key, &ctx->command);
|
|
|
789
|
|
|
790 goto ssi_error;
|
|
|
791 }
|
|
|
792 }
|
|
|
793
|
|
|
794 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
795 if (prm->mandatory && params[prm->index] == 0) {
|
|
|
796 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
797 "mandatory \"%V\" parameter is absent "
|
|
|
798 "in \"%V\" SSI command",
|
|
|
799 &prm->name, &ctx->command);
|
|
|
800
|
|
|
801 goto ssi_error;
|
|
|
802 }
|
|
|
803 }
|
|
|
804
|
|
314
|
805 if (cmd->flush) {
|
|
|
806
|
|
|
807 if (ctx->out) {
|
|
|
808 rc = ngx_http_ssi_output(r, ctx);
|
|
|
809
|
|
|
810 } else {
|
|
|
811 rc = ngx_http_next_body_filter(r, NULL);
|
|
|
812 }
|
|
58
|
813
|
|
|
814 if (rc == NGX_ERROR) {
|
|
|
815 return NGX_ERROR;
|
|
|
816 }
|
|
|
817 }
|
|
|
818
|
|
118
|
819 rc = cmd->handler(r, ctx, params);
|
|
|
820
|
|
|
821 if (rc == NGX_OK) {
|
|
46
|
822 continue;
|
|
|
823 }
|
|
132
|
824
|
|
248
|
825 if (rc == NGX_DONE || rc == NGX_AGAIN || rc == NGX_ERROR) {
|
|
|
826 return rc;
|
|
132
|
827 }
|
|
46
|
828 }
|
|
|
829
|
|
|
830
|
|
|
831 /* rc == NGX_HTTP_SSI_ERROR */
|
|
|
832
|
|
48
|
833 ssi_error:
|
|
46
|
834
|
|
146
|
835 if (slcf->silent_errors) {
|
|
46
|
836 continue;
|
|
|
837 }
|
|
|
838
|
|
48
|
839 if (ctx->free) {
|
|
|
840 cl = ctx->free;
|
|
|
841 ctx->free = ctx->free->next;
|
|
|
842 b = cl->buf;
|
|
|
843 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
844
|
|
|
845 } else {
|
|
|
846 b = ngx_calloc_buf(r->pool);
|
|
|
847 if (b == NULL) {
|
|
|
848 return NGX_ERROR;
|
|
|
849 }
|
|
|
850
|
|
|
851 cl = ngx_alloc_chain_link(r->pool);
|
|
|
852 if (cl == NULL) {
|
|
|
853 return NGX_ERROR;
|
|
|
854 }
|
|
|
855
|
|
|
856 cl->buf = b;
|
|
46
|
857 }
|
|
|
858
|
|
|
859 b->memory = 1;
|
|
96
|
860 b->pos = ctx->errmsg.data;
|
|
|
861 b->last = ctx->errmsg.data + ctx->errmsg.len;
|
|
46
|
862
|
|
|
863 cl->next = NULL;
|
|
|
864 *ctx->last_out = cl;
|
|
|
865 ctx->last_out = &cl->next;
|
|
|
866
|
|
|
867 continue;
|
|
|
868 }
|
|
|
869
|
|
236
|
870 if (ctx->buf->last_buf || ngx_buf_in_memory(ctx->buf)) {
|
|
48
|
871 if (b == NULL) {
|
|
|
872 if (ctx->free) {
|
|
|
873 cl = ctx->free;
|
|
|
874 ctx->free = ctx->free->next;
|
|
|
875 b = cl->buf;
|
|
|
876 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
877
|
|
|
878 } else {
|
|
|
879 b = ngx_calloc_buf(r->pool);
|
|
|
880 if (b == NULL) {
|
|
|
881 return NGX_ERROR;
|
|
|
882 }
|
|
46
|
883
|
|
48
|
884 cl = ngx_alloc_chain_link(r->pool);
|
|
|
885 if (cl == NULL) {
|
|
|
886 return NGX_ERROR;
|
|
|
887 }
|
|
|
888
|
|
|
889 cl->buf = b;
|
|
|
890 }
|
|
|
891
|
|
58
|
892 b->sync = 1;
|
|
|
893
|
|
48
|
894 cl->next = NULL;
|
|
|
895 *ctx->last_out = cl;
|
|
|
896 ctx->last_out = &cl->next;
|
|
|
897 }
|
|
|
898
|
|
|
899 b->last_buf = ctx->buf->last_buf;
|
|
|
900 b->shadow = ctx->buf;
|
|
58
|
901
|
|
146
|
902 if (slcf->ignore_recycled_buffers == 0) {
|
|
58
|
903 b->recycled = ctx->buf->recycled;
|
|
|
904 }
|
|
46
|
905 }
|
|
|
906
|
|
48
|
907 ctx->buf = NULL;
|
|
|
908
|
|
46
|
909 ctx->saved = ctx->looked;
|
|
|
910 }
|
|
|
911
|
|
48
|
912 if (ctx->out == NULL && ctx->busy == NULL) {
|
|
46
|
913 return NGX_OK;
|
|
|
914 }
|
|
|
915
|
|
58
|
916 return ngx_http_ssi_output(r, ctx);
|
|
|
917 }
|
|
|
918
|
|
|
919
|
|
|
920 static ngx_int_t
|
|
|
921 ngx_http_ssi_output(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
922 {
|
|
|
923 ngx_int_t rc;
|
|
|
924 ngx_buf_t *b;
|
|
|
925 ngx_chain_t *cl;
|
|
|
926
|
|
190
|
927 #if 1
|
|
|
928 b = NULL;
|
|
|
929 for (cl = ctx->out; cl; cl = cl->next) {
|
|
192
|
930 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
931 "ssi out: %p %p", cl->buf, cl->buf->pos);
|
|
190
|
932 if (cl->buf == b) {
|
|
|
933 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
934 "the same buf was used in ssi");
|
|
|
935 ngx_debug_point();
|
|
|
936 return NGX_ERROR;
|
|
|
937 }
|
|
|
938 b = cl->buf;
|
|
|
939 }
|
|
|
940 #endif
|
|
|
941
|
|
46
|
942 rc = ngx_http_next_body_filter(r, ctx->out);
|
|
|
943
|
|
48
|
944 if (ctx->busy == NULL) {
|
|
|
945 ctx->busy = ctx->out;
|
|
|
946
|
|
|
947 } else {
|
|
|
948 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ }
|
|
|
949 cl->next = ctx->out;
|
|
|
950 }
|
|
|
951
|
|
46
|
952 ctx->out = NULL;
|
|
|
953 ctx->last_out = &ctx->out;
|
|
|
954
|
|
48
|
955 while (ctx->busy) {
|
|
|
956
|
|
206
|
957 cl = ctx->busy;
|
|
|
958 b = cl->buf;
|
|
48
|
959
|
|
|
960 if (ngx_buf_size(b) != 0) {
|
|
|
961 break;
|
|
|
962 }
|
|
|
963
|
|
|
964 #if (NGX_HAVE_WRITE_ZEROCOPY)
|
|
|
965 if (b->zerocopy_busy) {
|
|
|
966 break;
|
|
|
967 }
|
|
|
968 #endif
|
|
|
969
|
|
|
970 if (b->shadow) {
|
|
|
971 b->shadow->pos = b->shadow->last;
|
|
|
972 }
|
|
|
973
|
|
|
974 ctx->busy = cl->next;
|
|
194
|
975
|
|
|
976 if (ngx_buf_in_memory(b) || b->in_file) {
|
|
|
977 /* add data bufs only to the free buf chain */
|
|
|
978
|
|
|
979 cl->next = ctx->free;
|
|
|
980 ctx->free = cl;
|
|
|
981 }
|
|
48
|
982 }
|
|
|
983
|
|
254
|
984 if (ctx->in || ctx->buf) {
|
|
|
985 r->buffered |= NGX_HTTP_SSI_BUFFERED;
|
|
|
986
|
|
|
987 } else {
|
|
|
988 r->buffered &= ~NGX_HTTP_SSI_BUFFERED;
|
|
|
989 }
|
|
|
990
|
|
46
|
991 return rc;
|
|
|
992 }
|
|
|
993
|
|
|
994
|
|
|
995 static ngx_int_t
|
|
|
996 ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
997 {
|
|
158
|
998 u_char *p, *value, *last, *copy_end, ch;
|
|
46
|
999 size_t looked;
|
|
|
1000 ngx_http_ssi_state_e state;
|
|
|
1001
|
|
|
1002 state = ctx->state;
|
|
|
1003 looked = ctx->looked;
|
|
|
1004 last = ctx->buf->last;
|
|
|
1005 copy_end = ctx->copy_end;
|
|
|
1006
|
|
|
1007 for (p = ctx->pos; p < last; p++) {
|
|
|
1008
|
|
|
1009 ch = *p;
|
|
|
1010
|
|
|
1011 if (state == ssi_start_state) {
|
|
|
1012
|
|
|
1013 /* the tight loop */
|
|
|
1014
|
|
48
|
1015 for ( ;; ) {
|
|
|
1016 if (ch == '<') {
|
|
|
1017 copy_end = p;
|
|
|
1018 looked = 1;
|
|
|
1019 state = ssi_tag_state;
|
|
|
1020
|
|
|
1021 goto tag_started;
|
|
46
|
1022 }
|
|
|
1023
|
|
48
|
1024 if (++p == last) {
|
|
|
1025 break;
|
|
|
1026 }
|
|
46
|
1027
|
|
48
|
1028 ch = *p;
|
|
46
|
1029 }
|
|
|
1030
|
|
314
|
1031 ctx->state = state;
|
|
46
|
1032 ctx->pos = p;
|
|
|
1033 ctx->looked = looked;
|
|
|
1034 ctx->copy_end = p;
|
|
|
1035
|
|
|
1036 if (ctx->copy_start == NULL) {
|
|
|
1037 ctx->copy_start = ctx->buf->pos;
|
|
|
1038 }
|
|
|
1039
|
|
|
1040 return NGX_AGAIN;
|
|
|
1041
|
|
48
|
1042 tag_started:
|
|
|
1043
|
|
46
|
1044 continue;
|
|
|
1045 }
|
|
|
1046
|
|
|
1047 switch (state) {
|
|
|
1048
|
|
|
1049 case ssi_start_state:
|
|
|
1050 break;
|
|
|
1051
|
|
|
1052 case ssi_tag_state:
|
|
|
1053 switch (ch) {
|
|
|
1054 case '!':
|
|
|
1055 looked = 2;
|
|
|
1056 state = ssi_comment0_state;
|
|
|
1057 break;
|
|
|
1058
|
|
|
1059 case '<':
|
|
|
1060 copy_end = p;
|
|
|
1061 break;
|
|
|
1062
|
|
|
1063 default:
|
|
|
1064 copy_end = p;
|
|
|
1065 looked = 0;
|
|
|
1066 state = ssi_start_state;
|
|
|
1067 break;
|
|
|
1068 }
|
|
|
1069
|
|
|
1070 break;
|
|
|
1071
|
|
|
1072 case ssi_comment0_state:
|
|
|
1073 switch (ch) {
|
|
|
1074 case '-':
|
|
|
1075 looked = 3;
|
|
|
1076 state = ssi_comment1_state;
|
|
|
1077 break;
|
|
|
1078
|
|
|
1079 case '<':
|
|
|
1080 copy_end = p;
|
|
|
1081 looked = 1;
|
|
|
1082 state = ssi_tag_state;
|
|
|
1083 break;
|
|
|
1084
|
|
|
1085 default:
|
|
|
1086 copy_end = p;
|
|
|
1087 looked = 0;
|
|
|
1088 state = ssi_start_state;
|
|
|
1089 break;
|
|
|
1090 }
|
|
|
1091
|
|
|
1092 break;
|
|
|
1093
|
|
|
1094 case ssi_comment1_state:
|
|
|
1095 switch (ch) {
|
|
|
1096 case '-':
|
|
|
1097 looked = 4;
|
|
|
1098 state = ssi_sharp_state;
|
|
|
1099 break;
|
|
|
1100
|
|
|
1101 case '<':
|
|
|
1102 copy_end = p;
|
|
|
1103 looked = 1;
|
|
|
1104 state = ssi_tag_state;
|
|
|
1105 break;
|
|
|
1106
|
|
|
1107 default:
|
|
|
1108 copy_end = p;
|
|
|
1109 looked = 0;
|
|
|
1110 state = ssi_start_state;
|
|
|
1111 break;
|
|
|
1112 }
|
|
|
1113
|
|
|
1114 break;
|
|
|
1115
|
|
|
1116 case ssi_sharp_state:
|
|
|
1117 switch (ch) {
|
|
|
1118 case '#':
|
|
208
|
1119 if (p - ctx->pos < 4) {
|
|
|
1120 ctx->saved = 0;
|
|
|
1121 }
|
|
46
|
1122 looked = 0;
|
|
|
1123 state = ssi_precommand_state;
|
|
|
1124 break;
|
|
|
1125
|
|
|
1126 case '<':
|
|
|
1127 copy_end = p;
|
|
|
1128 looked = 1;
|
|
|
1129 state = ssi_tag_state;
|
|
|
1130 break;
|
|
|
1131
|
|
|
1132 default:
|
|
|
1133 copy_end = p;
|
|
|
1134 looked = 0;
|
|
|
1135 state = ssi_start_state;
|
|
|
1136 break;
|
|
|
1137 }
|
|
|
1138
|
|
|
1139 break;
|
|
|
1140
|
|
|
1141 case ssi_precommand_state:
|
|
|
1142 switch (ch) {
|
|
|
1143 case ' ':
|
|
|
1144 case CR:
|
|
|
1145 case LF:
|
|
|
1146 case '\t':
|
|
|
1147 break;
|
|
|
1148
|
|
|
1149 default:
|
|
|
1150 ctx->command.len = 1;
|
|
|
1151 ctx->command.data = ngx_palloc(r->pool,
|
|
158
|
1152 NGX_HTTP_SSI_COMMAND_LEN);
|
|
46
|
1153 if (ctx->command.data == NULL) {
|
|
|
1154 return NGX_ERROR;
|
|
|
1155 }
|
|
|
1156
|
|
|
1157 ctx->command.data[0] = ch;
|
|
158
|
1158
|
|
146
|
1159 ctx->key = 0;
|
|
|
1160 ctx->key = ngx_hash(ctx->key, ch);
|
|
|
1161
|
|
46
|
1162 ctx->params.nelts = 0;
|
|
178
|
1163
|
|
46
|
1164 state = ssi_command_state;
|
|
|
1165 break;
|
|
|
1166 }
|
|
|
1167
|
|
|
1168 break;
|
|
|
1169
|
|
|
1170 case ssi_command_state:
|
|
|
1171 switch (ch) {
|
|
|
1172 case ' ':
|
|
|
1173 case CR:
|
|
|
1174 case LF:
|
|
|
1175 case '\t':
|
|
|
1176 state = ssi_preparam_state;
|
|
|
1177 break;
|
|
|
1178
|
|
|
1179 case '-':
|
|
|
1180 state = ssi_comment_end0_state;
|
|
|
1181 break;
|
|
|
1182
|
|
|
1183 default:
|
|
|
1184 if (ctx->command.len == NGX_HTTP_SSI_COMMAND_LEN) {
|
|
|
1185 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1186 "the \"%V%c...\" SSI command is too long",
|
|
|
1187 &ctx->command, ch);
|
|
46
|
1188
|
|
|
1189 state = ssi_error_state;
|
|
|
1190 break;
|
|
|
1191 }
|
|
158
|
1192
|
|
|
1193 ctx->command.data[ctx->command.len++] = ch;
|
|
|
1194 ctx->key = ngx_hash(ctx->key, ch);
|
|
46
|
1195 }
|
|
|
1196
|
|
|
1197 break;
|
|
|
1198
|
|
|
1199 case ssi_preparam_state:
|
|
|
1200 switch (ch) {
|
|
|
1201 case ' ':
|
|
|
1202 case CR:
|
|
|
1203 case LF:
|
|
|
1204 case '\t':
|
|
|
1205 break;
|
|
|
1206
|
|
|
1207 case '-':
|
|
|
1208 state = ssi_comment_end0_state;
|
|
|
1209 break;
|
|
|
1210
|
|
|
1211 default:
|
|
48
|
1212 ctx->param = ngx_array_push(&ctx->params);
|
|
|
1213 if (ctx->param == NULL) {
|
|
46
|
1214 return NGX_ERROR;
|
|
|
1215 }
|
|
|
1216
|
|
|
1217 ctx->param->key.len = 1;
|
|
|
1218 ctx->param->key.data = ngx_palloc(r->pool,
|
|
158
|
1219 NGX_HTTP_SSI_PARAM_LEN);
|
|
46
|
1220 if (ctx->param->key.data == NULL) {
|
|
|
1221 return NGX_ERROR;
|
|
|
1222 }
|
|
|
1223
|
|
|
1224 ctx->param->key.data[0] = ch;
|
|
|
1225
|
|
|
1226 ctx->param->value.len = 0;
|
|
158
|
1227
|
|
|
1228 if (ctx->value_buf == NULL) {
|
|
|
1229 ctx->param->value.data = ngx_palloc(r->pool,
|
|
|
1230 ctx->value_len);
|
|
|
1231 if (ctx->param->value.data == NULL) {
|
|
|
1232 return NGX_ERROR;
|
|
|
1233 }
|
|
|
1234
|
|
|
1235 } else {
|
|
|
1236 ctx->param->value.data = ctx->value_buf;
|
|
46
|
1237 }
|
|
|
1238
|
|
|
1239 state = ssi_param_state;
|
|
|
1240 break;
|
|
|
1241 }
|
|
|
1242
|
|
|
1243 break;
|
|
|
1244
|
|
|
1245 case ssi_param_state:
|
|
|
1246 switch (ch) {
|
|
|
1247 case ' ':
|
|
|
1248 case CR:
|
|
|
1249 case LF:
|
|
|
1250 case '\t':
|
|
|
1251 state = ssi_preequal_state;
|
|
|
1252 break;
|
|
|
1253
|
|
|
1254 case '=':
|
|
|
1255 state = ssi_prevalue_state;
|
|
|
1256 break;
|
|
|
1257
|
|
|
1258 case '-':
|
|
|
1259 state = ssi_error_end0_state;
|
|
|
1260
|
|
|
1261 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
|
1262 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1263 "invalid \"%V\" parameter in \"%V\" SSI command",
|
|
|
1264 &ctx->param->key, &ctx->command);
|
|
|
1265 break;
|
|
|
1266
|
|
|
1267 default:
|
|
|
1268 if (ctx->param->key.len == NGX_HTTP_SSI_PARAM_LEN) {
|
|
|
1269 state = ssi_error_state;
|
|
|
1270 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1271 "too long \"%V%c...\" parameter in "
|
|
46
|
1272 "\"%V\" SSI command",
|
|
158
|
1273 &ctx->param->key, ch, &ctx->command);
|
|
46
|
1274 break;
|
|
|
1275 }
|
|
158
|
1276
|
|
|
1277 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
46
|
1278 }
|
|
|
1279
|
|
|
1280 break;
|
|
|
1281
|
|
|
1282 case ssi_preequal_state:
|
|
|
1283 switch (ch) {
|
|
|
1284 case ' ':
|
|
|
1285 case CR:
|
|
|
1286 case LF:
|
|
|
1287 case '\t':
|
|
|
1288 break;
|
|
|
1289
|
|
|
1290 case '=':
|
|
|
1291 state = ssi_prevalue_state;
|
|
|
1292 break;
|
|
|
1293
|
|
|
1294 default:
|
|
|
1295 if (ch == '-') {
|
|
|
1296 state = ssi_error_end0_state;
|
|
|
1297 } else {
|
|
|
1298 state = ssi_error_state;
|
|
|
1299 }
|
|
|
1300
|
|
|
1301 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1302 "unexpected \"%c\" symbol after \"%V\" "
|
|
|
1303 "parameter in \"%V\" SSI command",
|
|
|
1304 ch, &ctx->param->key, &ctx->command);
|
|
|
1305 break;
|
|
|
1306 }
|
|
|
1307
|
|
|
1308 break;
|
|
|
1309
|
|
|
1310 case ssi_prevalue_state:
|
|
|
1311 switch (ch) {
|
|
|
1312 case ' ':
|
|
|
1313 case CR:
|
|
|
1314 case LF:
|
|
|
1315 case '\t':
|
|
|
1316 break;
|
|
|
1317
|
|
|
1318 case '"':
|
|
|
1319 state = ssi_double_quoted_value_state;
|
|
|
1320 break;
|
|
|
1321
|
|
|
1322 case '\'':
|
|
|
1323 state = ssi_quoted_value_state;
|
|
|
1324 break;
|
|
|
1325
|
|
|
1326 default:
|
|
|
1327 if (ch == '-') {
|
|
|
1328 state = ssi_error_end0_state;
|
|
|
1329 } else {
|
|
|
1330 state = ssi_error_state;
|
|
|
1331 }
|
|
|
1332
|
|
|
1333 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1334 "unexpected \"%c\" symbol before value of "
|
|
|
1335 "\"%V\" parameter in \"%V\" SSI command",
|
|
|
1336 ch, &ctx->param->key, &ctx->command);
|
|
|
1337 break;
|
|
|
1338 }
|
|
|
1339
|
|
|
1340 break;
|
|
|
1341
|
|
|
1342 case ssi_double_quoted_value_state:
|
|
|
1343 switch (ch) {
|
|
108
|
1344 case '"':
|
|
|
1345 state = ssi_postparam_state;
|
|
|
1346 break;
|
|
|
1347
|
|
46
|
1348 case '\\':
|
|
|
1349 ctx->saved_state = ssi_double_quoted_value_state;
|
|
|
1350 state = ssi_quoted_symbol_state;
|
|
108
|
1351
|
|
|
1352 /* fall through */
|
|
46
|
1353
|
|
|
1354 default:
|
|
|
1355 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1356 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1357 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1358 "parameter in \"%V\" SSI command",
|
|
|
1359 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1360 &ctx->command);
|
|
|
1361 state = ssi_error_state;
|
|
|
1362 break;
|
|
|
1363 }
|
|
158
|
1364
|
|
|
1365 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1366 }
|
|
|
1367
|
|
|
1368 break;
|
|
|
1369
|
|
|
1370 case ssi_quoted_value_state:
|
|
|
1371 switch (ch) {
|
|
108
|
1372 case '\'':
|
|
|
1373 state = ssi_postparam_state;
|
|
|
1374 break;
|
|
|
1375
|
|
46
|
1376 case '\\':
|
|
|
1377 ctx->saved_state = ssi_quoted_value_state;
|
|
|
1378 state = ssi_quoted_symbol_state;
|
|
108
|
1379
|
|
|
1380 /* fall through */
|
|
46
|
1381
|
|
|
1382 default:
|
|
|
1383 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1384 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1385 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1386 "parameter in \"%V\" SSI command",
|
|
|
1387 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1388 &ctx->command);
|
|
|
1389 state = ssi_error_state;
|
|
|
1390 break;
|
|
|
1391 }
|
|
158
|
1392
|
|
|
1393 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1394 }
|
|
|
1395
|
|
|
1396 break;
|
|
|
1397
|
|
|
1398 case ssi_quoted_symbol_state:
|
|
108
|
1399 state = ctx->saved_state;
|
|
|
1400
|
|
46
|
1401 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
|
1402
|
|
|
1403 break;
|
|
|
1404
|
|
|
1405 case ssi_postparam_state:
|
|
158
|
1406
|
|
200
|
1407 if (ctx->param->value.len + 1 < ctx->value_len / 2) {
|
|
|
1408 value = ngx_palloc(r->pool, ctx->param->value.len + 1);
|
|
158
|
1409 if (value == NULL) {
|
|
|
1410 return NGX_ERROR;
|
|
|
1411 }
|
|
|
1412
|
|
|
1413 ngx_memcpy(value, ctx->param->value.data,
|
|
|
1414 ctx->param->value.len);
|
|
|
1415
|
|
|
1416 ctx->value_buf = ctx->param->value.data;
|
|
|
1417 ctx->param->value.data = value;
|
|
|
1418
|
|
|
1419 } else {
|
|
|
1420 ctx->value_buf = NULL;
|
|
|
1421 }
|
|
|
1422
|
|
46
|
1423 switch (ch) {
|
|
|
1424 case ' ':
|
|
|
1425 case CR:
|
|
|
1426 case LF:
|
|
|
1427 case '\t':
|
|
|
1428 state = ssi_preparam_state;
|
|
|
1429 break;
|
|
|
1430
|
|
|
1431 case '-':
|
|
|
1432 state = ssi_comment_end0_state;
|
|
|
1433 break;
|
|
|
1434
|
|
|
1435 default:
|
|
|
1436 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1437 "unexpected \"%c\" symbol after \"%V\" value "
|
|
|
1438 "of \"%V\" parameter in \"%V\" SSI command",
|
|
|
1439 ch, &ctx->param->value, &ctx->param->key,
|
|
|
1440 &ctx->command);
|
|
|
1441 state = ssi_error_state;
|
|
|
1442 break;
|
|
|
1443 }
|
|
|
1444
|
|
|
1445 break;
|
|
|
1446
|
|
|
1447 case ssi_comment_end0_state:
|
|
|
1448 switch (ch) {
|
|
|
1449 case '-':
|
|
|
1450 state = ssi_comment_end1_state;
|
|
|
1451 break;
|
|
|
1452
|
|
|
1453 default:
|
|
|
1454 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1455 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1456 ch, &ctx->command);
|
|
|
1457 state = ssi_error_state;
|
|
|
1458 break;
|
|
|
1459 }
|
|
|
1460
|
|
|
1461 break;
|
|
|
1462
|
|
|
1463 case ssi_comment_end1_state:
|
|
|
1464 switch (ch) {
|
|
|
1465 case '>':
|
|
|
1466 ctx->state = ssi_start_state;
|
|
|
1467 ctx->pos = p + 1;
|
|
|
1468 ctx->looked = looked;
|
|
|
1469 ctx->copy_end = copy_end;
|
|
|
1470
|
|
|
1471 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1472 ctx->copy_start = ctx->buf->pos;
|
|
|
1473 }
|
|
|
1474
|
|
|
1475 return NGX_OK;
|
|
|
1476
|
|
|
1477 default:
|
|
|
1478 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1479 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1480 ch, &ctx->command);
|
|
|
1481 state = ssi_error_state;
|
|
|
1482 break;
|
|
|
1483 }
|
|
|
1484
|
|
|
1485 break;
|
|
|
1486
|
|
|
1487 case ssi_error_state:
|
|
|
1488 switch (ch) {
|
|
|
1489 case '-':
|
|
|
1490 state = ssi_error_end0_state;
|
|
|
1491 break;
|
|
|
1492
|
|
|
1493 default:
|
|
|
1494 break;
|
|
|
1495 }
|
|
|
1496
|
|
|
1497 break;
|
|
|
1498
|
|
|
1499 case ssi_error_end0_state:
|
|
|
1500 switch (ch) {
|
|
|
1501 case '-':
|
|
|
1502 state = ssi_error_end1_state;
|
|
|
1503 break;
|
|
|
1504
|
|
|
1505 default:
|
|
|
1506 state = ssi_error_state;
|
|
|
1507 break;
|
|
|
1508 }
|
|
|
1509
|
|
|
1510 break;
|
|
|
1511
|
|
|
1512 case ssi_error_end1_state:
|
|
|
1513 switch (ch) {
|
|
|
1514 case '>':
|
|
|
1515 ctx->state = ssi_start_state;
|
|
|
1516 ctx->pos = p + 1;
|
|
|
1517 ctx->looked = looked;
|
|
|
1518 ctx->copy_end = copy_end;
|
|
|
1519
|
|
|
1520 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1521 ctx->copy_start = ctx->buf->pos;
|
|
|
1522 }
|
|
|
1523
|
|
|
1524 return NGX_HTTP_SSI_ERROR;
|
|
|
1525
|
|
|
1526 default:
|
|
|
1527 state = ssi_error_state;
|
|
|
1528 break;
|
|
|
1529 }
|
|
|
1530
|
|
|
1531 break;
|
|
|
1532 }
|
|
|
1533 }
|
|
|
1534
|
|
|
1535 ctx->state = state;
|
|
|
1536 ctx->pos = p;
|
|
|
1537 ctx->looked = looked;
|
|
|
1538
|
|
|
1539 ctx->copy_end = (state == ssi_start_state) ? p : copy_end;
|
|
|
1540
|
|
|
1541 if (ctx->copy_start == NULL && ctx->copy_end) {
|
|
|
1542 ctx->copy_start = ctx->buf->pos;
|
|
|
1543 }
|
|
|
1544
|
|
|
1545 return NGX_AGAIN;
|
|
|
1546 }
|
|
|
1547
|
|
|
1548
|
|
102
|
1549 static ngx_str_t *
|
|
160
|
1550 ngx_http_ssi_get_variable(ngx_http_request_t *r, ngx_str_t *name,
|
|
|
1551 ngx_uint_t key)
|
|
102
|
1552 {
|
|
|
1553 ngx_uint_t i;
|
|
248
|
1554 ngx_list_part_t *part;
|
|
102
|
1555 ngx_http_ssi_var_t *var;
|
|
|
1556 ngx_http_ssi_ctx_t *ctx;
|
|
|
1557
|
|
|
1558 ctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
1559
|
|
216
|
1560 if (ctx->variables == NULL) {
|
|
|
1561 return NULL;
|
|
|
1562 }
|
|
|
1563
|
|
248
|
1564 part = &ctx->variables->part;
|
|
|
1565 var = part->elts;
|
|
|
1566
|
|
|
1567 for (i = 0; /* void */ ; i++) {
|
|
|
1568
|
|
|
1569 if (i >= part->nelts) {
|
|
|
1570 if (part->next == NULL) {
|
|
|
1571 break;
|
|
|
1572 }
|
|
250
|
1573
|
|
248
|
1574 part = part->next;
|
|
|
1575 var = part->elts;
|
|
|
1576 i = 0;
|
|
|
1577 }
|
|
|
1578
|
|
102
|
1579 if (name->len != var[i].name.len) {
|
|
|
1580 continue;
|
|
|
1581 }
|
|
|
1582
|
|
160
|
1583 if (key != var[i].key) {
|
|
|
1584 continue;
|
|
|
1585 }
|
|
|
1586
|
|
|
1587 if (ngx_strncmp(name->data, var[i].name.data, name->len) == 0) {
|
|
102
|
1588 return &var[i].value;
|
|
|
1589 }
|
|
|
1590 }
|
|
|
1591
|
|
|
1592 return NULL;
|
|
|
1593 }
|
|
|
1594
|
|
|
1595
|
|
|
1596 static ngx_int_t
|
|
|
1597 ngx_http_ssi_evaluate_string(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1598 ngx_str_t *text, ngx_uint_t flags)
|
|
|
1599 {
|
|
122
|
1600 u_char ch, *p, **value, *data, *part_data;
|
|
|
1601 size_t *size, len, prefix, part_len;
|
|
|
1602 ngx_str_t var, *val;
|
|
160
|
1603 ngx_int_t key;
|
|
200
|
1604 ngx_uint_t i, j, n, bracket, quoted;
|
|
102
|
1605 ngx_array_t lengths, values;
|
|
|
1606 ngx_http_variable_value_t *vv;
|
|
|
1607
|
|
|
1608 n = ngx_http_script_variables_count(text);
|
|
|
1609
|
|
|
1610 if (n == 0) {
|
|
|
1611
|
|
206
|
1612 data = text->data;
|
|
|
1613 p = data;
|
|
|
1614
|
|
|
1615 if ((flags & NGX_HTTP_SSI_ADD_PREFIX) && text->data[0] != '/') {
|
|
|
1616
|
|
102
|
1617 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1618 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1619 break;
|
|
|
1620 }
|
|
|
1621 }
|
|
|
1622
|
|
|
1623 if (prefix) {
|
|
|
1624 len = prefix + text->len;
|
|
|
1625
|
|
|
1626 data = ngx_palloc(r->pool, len);
|
|
|
1627 if (data == NULL) {
|
|
|
1628 return NGX_ERROR;
|
|
|
1629 }
|
|
|
1630
|
|
122
|
1631 p = ngx_copy(data, r->uri.data, prefix);
|
|
102
|
1632 }
|
|
|
1633 }
|
|
|
1634
|
|
206
|
1635 quoted = 0;
|
|
|
1636
|
|
|
1637 for (i = 0 ; i < text->len; i++) {
|
|
|
1638 ch = text->data[i];
|
|
|
1639
|
|
|
1640 if (!quoted) {
|
|
|
1641
|
|
|
1642 if (ch == '\\') {
|
|
|
1643 quoted = 1;
|
|
|
1644 continue;
|
|
|
1645 }
|
|
|
1646
|
|
|
1647 } else {
|
|
|
1648 quoted = 0;
|
|
|
1649
|
|
|
1650 if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') {
|
|
|
1651 *p++ = '\\';
|
|
|
1652 }
|
|
|
1653 }
|
|
|
1654
|
|
|
1655 *p++ = ch;
|
|
|
1656 }
|
|
|
1657
|
|
|
1658 text->len = p - data;
|
|
|
1659 text->data = data;
|
|
|
1660
|
|
102
|
1661 return NGX_OK;
|
|
|
1662 }
|
|
|
1663
|
|
|
1664 if (ngx_array_init(&lengths, r->pool, 8, sizeof(size_t *)) != NGX_OK) {
|
|
|
1665 return NGX_ERROR;
|
|
|
1666 }
|
|
|
1667
|
|
|
1668 if (ngx_array_init(&values, r->pool, 8, sizeof(u_char *)) != NGX_OK) {
|
|
|
1669 return NGX_ERROR;
|
|
|
1670 }
|
|
|
1671
|
|
|
1672 len = 0;
|
|
|
1673 i = 0;
|
|
|
1674
|
|
|
1675 while (i < text->len) {
|
|
|
1676
|
|
|
1677 if (text->data[i] == '$') {
|
|
|
1678
|
|
|
1679 var.len = 0;
|
|
|
1680
|
|
|
1681 if (++i == text->len) {
|
|
|
1682 goto invalid_variable;
|
|
|
1683 }
|
|
|
1684
|
|
|
1685 if (text->data[i] == '{') {
|
|
|
1686 bracket = 1;
|
|
|
1687
|
|
|
1688 if (++i == text->len) {
|
|
|
1689 goto invalid_variable;
|
|
|
1690 }
|
|
|
1691
|
|
|
1692 var.data = &text->data[i];
|
|
|
1693
|
|
|
1694 } else {
|
|
|
1695 bracket = 0;
|
|
|
1696 var.data = &text->data[i];
|
|
|
1697 }
|
|
|
1698
|
|
|
1699 for ( /* void */ ; i < text->len; i++, var.len++) {
|
|
|
1700 ch = text->data[i];
|
|
|
1701
|
|
|
1702 if (ch == '}' && bracket) {
|
|
|
1703 i++;
|
|
|
1704 bracket = 0;
|
|
|
1705 break;
|
|
|
1706 }
|
|
|
1707
|
|
|
1708 if ((ch >= 'A' && ch <= 'Z')
|
|
|
1709 || (ch >= 'a' && ch <= 'z')
|
|
|
1710 || (ch >= '0' && ch <= '9')
|
|
|
1711 || ch == '_')
|
|
|
1712 {
|
|
|
1713 continue;
|
|
|
1714 }
|
|
|
1715
|
|
|
1716 break;
|
|
|
1717 }
|
|
|
1718
|
|
|
1719 if (bracket) {
|
|
|
1720 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1721 "the closing bracket in \"%V\" "
|
|
|
1722 "variable is missing", &var);
|
|
248
|
1723 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1724 }
|
|
|
1725
|
|
126
|
1726 if (var.len == 0) {
|
|
102
|
1727 goto invalid_variable;
|
|
|
1728 }
|
|
|
1729
|
|
160
|
1730 key = 0;
|
|
|
1731
|
|
102
|
1732 for (j = 0; j < var.len; j++) {
|
|
|
1733 var.data[j] = ngx_tolower(var.data[j]);
|
|
160
|
1734 key = ngx_hash(key, var.data[j]);
|
|
102
|
1735 }
|
|
|
1736
|
|
160
|
1737 val = ngx_http_ssi_get_variable(r, &var, key);
|
|
102
|
1738
|
|
|
1739 if (val == NULL) {
|
|
184
|
1740 vv = ngx_http_get_variable(r, &var, key,
|
|
|
1741 flags & NGX_HTTP_SSI_EXPR_TEST);
|
|
102
|
1742 if (vv == NULL) {
|
|
|
1743 return NGX_ERROR;
|
|
|
1744 }
|
|
|
1745
|
|
122
|
1746 if (vv->not_found) {
|
|
102
|
1747 continue;
|
|
|
1748 }
|
|
|
1749
|
|
122
|
1750 part_data = vv->data;
|
|
|
1751 part_len = vv->len;
|
|
102
|
1752
|
|
|
1753 } else {
|
|
122
|
1754 part_data = val->data;
|
|
|
1755 part_len = val->len;
|
|
102
|
1756 }
|
|
|
1757
|
|
|
1758 } else {
|
|
122
|
1759 part_data = &text->data[i];
|
|
200
|
1760 quoted = 0;
|
|
122
|
1761
|
|
|
1762 for (p = part_data; i < text->len; i++) {
|
|
108
|
1763 ch = text->data[i];
|
|
|
1764
|
|
200
|
1765 if (!quoted) {
|
|
|
1766
|
|
|
1767 if (ch == '\\') {
|
|
|
1768 quoted = 1;
|
|
|
1769 continue;
|
|
|
1770 }
|
|
|
1771
|
|
|
1772 if (ch == '$') {
|
|
108
|
1773 break;
|
|
|
1774 }
|
|
|
1775
|
|
200
|
1776 } else {
|
|
|
1777 quoted = 0;
|
|
|
1778
|
|
|
1779 if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') {
|
|
|
1780 *p++ = '\\';
|
|
|
1781 }
|
|
108
|
1782 }
|
|
|
1783
|
|
|
1784 *p++ = ch;
|
|
102
|
1785 }
|
|
108
|
1786
|
|
122
|
1787 part_len = p - part_data;
|
|
102
|
1788 }
|
|
|
1789
|
|
122
|
1790 len += part_len;
|
|
102
|
1791
|
|
|
1792 size = ngx_array_push(&lengths);
|
|
|
1793 if (size == NULL) {
|
|
|
1794 return NGX_ERROR;
|
|
|
1795 }
|
|
|
1796
|
|
122
|
1797 *size = part_len;
|
|
102
|
1798
|
|
|
1799 value = ngx_array_push(&values);
|
|
|
1800 if (value == NULL) {
|
|
|
1801 return NGX_ERROR;
|
|
|
1802 }
|
|
|
1803
|
|
122
|
1804 *value = part_data;
|
|
102
|
1805 }
|
|
|
1806
|
|
|
1807 prefix = 0;
|
|
|
1808
|
|
|
1809 size = lengths.elts;
|
|
|
1810 value = values.elts;
|
|
|
1811
|
|
|
1812 if (flags & NGX_HTTP_SSI_ADD_PREFIX) {
|
|
|
1813 for (i = 0; i < values.nelts; i++) {
|
|
|
1814 if (size[i] != 0) {
|
|
|
1815 if (*value[i] != '/') {
|
|
|
1816 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1817 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1818 len += prefix;
|
|
|
1819 break;
|
|
|
1820 }
|
|
|
1821 }
|
|
|
1822 }
|
|
|
1823
|
|
|
1824 break;
|
|
|
1825 }
|
|
|
1826 }
|
|
|
1827 }
|
|
|
1828
|
|
178
|
1829 p = ngx_palloc(r->pool, len + ((flags & NGX_HTTP_SSI_ADD_ZERO) ? 1 : 0));
|
|
102
|
1830 if (p == NULL) {
|
|
|
1831 return NGX_ERROR;
|
|
|
1832 }
|
|
|
1833
|
|
|
1834 text->len = len;
|
|
|
1835 text->data = p;
|
|
|
1836
|
|
122
|
1837 p = ngx_copy(p, r->uri.data, prefix);
|
|
102
|
1838
|
|
|
1839 for (i = 0; i < values.nelts; i++) {
|
|
122
|
1840 p = ngx_copy(p, value[i], size[i]);
|
|
102
|
1841 }
|
|
|
1842
|
|
|
1843 return NGX_OK;
|
|
|
1844
|
|
|
1845 invalid_variable:
|
|
|
1846
|
|
|
1847 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1848 "invalid variable name in \"%V\"", text);
|
|
|
1849
|
|
248
|
1850 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1851 }
|
|
|
1852
|
|
|
1853
|
|
|
1854 static ngx_int_t
|
|
|
1855 ngx_http_ssi_include(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1856 ngx_str_t **params)
|
|
|
1857 {
|
|
248
|
1858 ngx_int_t rc, key;
|
|
|
1859 ngx_str_t *uri, *file, *wait, *set, *stub, args;
|
|
|
1860 ngx_buf_t *b;
|
|
|
1861 ngx_uint_t flags, i;
|
|
250
|
1862 ngx_chain_t *cl, *tl, **ll, *out;
|
|
248
|
1863 ngx_http_request_t *sr;
|
|
|
1864 ngx_http_ssi_var_t *var;
|
|
|
1865 ngx_http_ssi_ctx_t *mctx;
|
|
|
1866 ngx_http_ssi_block_t *bl;
|
|
|
1867 ngx_http_post_subrequest_t *psr;
|
|
102
|
1868
|
|
|
1869 uri = params[NGX_HTTP_SSI_INCLUDE_VIRTUAL];
|
|
|
1870 file = params[NGX_HTTP_SSI_INCLUDE_FILE];
|
|
194
|
1871 wait = params[NGX_HTTP_SSI_INCLUDE_WAIT];
|
|
248
|
1872 set = params[NGX_HTTP_SSI_INCLUDE_SET];
|
|
216
|
1873 stub = params[NGX_HTTP_SSI_INCLUDE_STUB];
|
|
102
|
1874
|
|
|
1875 if (uri && file) {
|
|
|
1876 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1877 "inlcusion may be either virtual=\"%V\" or file=\"%V\"",
|
|
|
1878 uri, file);
|
|
|
1879 return NGX_HTTP_SSI_ERROR;
|
|
|
1880 }
|
|
|
1881
|
|
|
1882 if (uri == NULL && file == NULL) {
|
|
|
1883 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1884 "no parameter in \"include\" SSI command");
|
|
|
1885 return NGX_HTTP_SSI_ERROR;
|
|
|
1886 }
|
|
|
1887
|
|
248
|
1888 if (set && stub) {
|
|
|
1889 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1890 "\"set\" and \"stub\" may not be used together "
|
|
|
1891 "in \"include\" SSI command");
|
|
|
1892 return NGX_HTTP_SSI_ERROR;
|
|
|
1893 }
|
|
|
1894
|
|
194
|
1895 if (wait) {
|
|
|
1896 if (uri == NULL) {
|
|
|
1897 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
216
|
1898 "\"wait\" may not be used with file=\"%V\"", file);
|
|
194
|
1899 return NGX_HTTP_SSI_ERROR;
|
|
|
1900 }
|
|
|
1901
|
|
286
|
1902 if (wait->len == 2
|
|
|
1903 && ngx_strncasecmp(wait->data, (u_char *) "no", 2) == 0)
|
|
|
1904 {
|
|
194
|
1905 wait = NULL;
|
|
|
1906
|
|
286
|
1907 } else if (wait->len != 3
|
|
|
1908 || ngx_strncasecmp(wait->data, (u_char *) "yes", 3) != 0)
|
|
194
|
1909 {
|
|
|
1910 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1911 "invalid value \"%V\" in the \"wait\" parameter",
|
|
216
|
1912 wait);
|
|
194
|
1913 return NGX_HTTP_SSI_ERROR;
|
|
|
1914 }
|
|
|
1915 }
|
|
|
1916
|
|
102
|
1917 if (uri == NULL) {
|
|
|
1918 uri = file;
|
|
|
1919 }
|
|
|
1920
|
|
248
|
1921 rc = ngx_http_ssi_evaluate_string(r, ctx, uri, NGX_HTTP_SSI_ADD_PREFIX);
|
|
|
1922
|
|
|
1923 if (rc != NGX_OK) {
|
|
|
1924 return rc;
|
|
102
|
1925 }
|
|
|
1926
|
|
|
1927 args.len = 0;
|
|
|
1928 args.data = NULL;
|
|
122
|
1929 flags = 0;
|
|
|
1930
|
|
|
1931 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1932 "ssi include: \"%V\"", uri);
|
|
|
1933
|
|
|
1934 if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) {
|
|
|
1935 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1936 }
|
|
|
1937
|
|
248
|
1938 psr = NULL;
|
|
|
1939
|
|
|
1940 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
216
|
1941
|
|
|
1942 if (stub) {
|
|
|
1943 if (mctx->blocks) {
|
|
|
1944 bl = mctx->blocks->elts;
|
|
|
1945 for (i = 0; i < mctx->blocks->nelts; i++) {
|
|
|
1946 if (stub->len == bl[i].name.len
|
|
|
1947 && ngx_strncmp(stub->data, bl[i].name.data, stub->len) == 0)
|
|
|
1948 {
|
|
|
1949 goto found;
|
|
|
1950 }
|
|
|
1951 }
|
|
|
1952 }
|
|
|
1953
|
|
|
1954 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1955 "\"stub\"=\"%V\" for \"include\" not found", stub);
|
|
|
1956 return NGX_HTTP_SSI_ERROR;
|
|
|
1957
|
|
|
1958 found:
|
|
|
1959
|
|
248
|
1960 psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t));
|
|
|
1961 if (psr == NULL) {
|
|
|
1962 return NGX_ERROR;
|
|
|
1963 }
|
|
|
1964
|
|
|
1965 psr->handler = ngx_http_ssi_stub_output;
|
|
|
1966
|
|
216
|
1967 if (bl[i].count++) {
|
|
|
1968
|
|
250
|
1969 ll = &out;
|
|
216
|
1970
|
|
|
1971 for (tl = bl[i].bufs; tl; tl = tl->next) {
|
|
|
1972
|
|
|
1973 if (ctx->free) {
|
|
|
1974 cl = ctx->free;
|
|
|
1975 ctx->free = ctx->free->next;
|
|
|
1976 b = cl->buf;
|
|
|
1977
|
|
|
1978 } else {
|
|
|
1979 b = ngx_alloc_buf(r->pool);
|
|
|
1980 if (b == NULL) {
|
|
|
1981 return NGX_ERROR;
|
|
|
1982 }
|
|
|
1983
|
|
|
1984 cl = ngx_alloc_chain_link(r->pool);
|
|
|
1985 if (cl == NULL) {
|
|
|
1986 return NGX_ERROR;
|
|
|
1987 }
|
|
|
1988
|
|
|
1989 cl->buf = b;
|
|
|
1990 }
|
|
|
1991
|
|
|
1992 ngx_memcpy(b, tl->buf, sizeof(ngx_buf_t));
|
|
|
1993
|
|
|
1994 b->pos = b->start;
|
|
|
1995
|
|
|
1996 *ll = cl;
|
|
|
1997 cl->next = NULL;
|
|
|
1998 ll = &cl->next;
|
|
|
1999 }
|
|
|
2000
|
|
250
|
2001 psr->data = out;
|
|
|
2002
|
|
216
|
2003 } else {
|
|
248
|
2004 psr->data = bl[i].bufs;
|
|
216
|
2005 }
|
|
|
2006 }
|
|
|
2007
|
|
248
|
2008 if (set) {
|
|
|
2009 key = 0;
|
|
|
2010
|
|
|
2011 for (i = 0; i < set->len; i++) {
|
|
|
2012 set->data[i] = ngx_tolower(set->data[i]);
|
|
|
2013 key = ngx_hash(key, set->data[i]);
|
|
|
2014 }
|
|
|
2015
|
|
|
2016 psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t));
|
|
|
2017 if (psr == NULL) {
|
|
|
2018 return NGX_ERROR;
|
|
|
2019 }
|
|
|
2020
|
|
|
2021 psr->handler = ngx_http_ssi_set_variable;
|
|
|
2022 psr->data = ngx_http_ssi_get_variable(r, set, key);
|
|
|
2023
|
|
|
2024 if (psr->data == NULL) {
|
|
|
2025
|
|
|
2026 if (mctx->variables == NULL) {
|
|
|
2027 mctx->variables = ngx_list_create(r->pool, 4,
|
|
|
2028 sizeof(ngx_http_ssi_var_t));
|
|
|
2029 if (mctx->variables == NULL) {
|
|
|
2030 return NGX_ERROR;
|
|
|
2031 }
|
|
|
2032 }
|
|
|
2033
|
|
|
2034 var = ngx_list_push(mctx->variables);
|
|
|
2035 if (var == NULL) {
|
|
|
2036 return NGX_ERROR;
|
|
|
2037 }
|
|
|
2038
|
|
|
2039 var->name = *set;
|
|
|
2040 var->key = key;
|
|
|
2041 var->value = ngx_http_ssi_null_string;
|
|
|
2042 psr->data = &var->value;
|
|
|
2043 }
|
|
|
2044
|
|
|
2045 flags |= NGX_HTTP_SUBREQUEST_IN_MEMORY;
|
|
|
2046 }
|
|
|
2047
|
|
|
2048 rc = ngx_http_subrequest(r, uri, &args, &sr, psr, flags);
|
|
|
2049
|
|
|
2050 if (rc == NGX_DONE) {
|
|
|
2051 return NGX_DONE;
|
|
|
2052 }
|
|
194
|
2053
|
|
|
2054 if (rc == NGX_ERROR) {
|
|
102
|
2055 return NGX_HTTP_SSI_ERROR;
|
|
|
2056 }
|
|
|
2057
|
|
248
|
2058 if (wait == NULL && set == NULL) {
|
|
194
|
2059 return NGX_OK;
|
|
|
2060 }
|
|
|
2061
|
|
|
2062 if (rc == NGX_AGAIN) {
|
|
244
|
2063 if (ctx->wait == NULL) {
|
|
|
2064 ctx->wait = sr;
|
|
|
2065
|
|
|
2066 } else {
|
|
|
2067 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2068 "only one subrequest may be waited at the same time");
|
|
|
2069 }
|
|
194
|
2070 }
|
|
|
2071
|
|
|
2072 return rc;
|
|
102
|
2073 }
|
|
|
2074
|
|
|
2075
|
|
46
|
2076 static ngx_int_t
|
|
248
|
2077 ngx_http_ssi_stub_output(ngx_http_request_t *r, void *data, ngx_int_t rc)
|
|
|
2078 {
|
|
|
2079 ngx_chain_t *out;
|
|
|
2080
|
|
|
2081 if (rc == NGX_ERROR || r->connection->error || r->request_output) {
|
|
|
2082 return rc;
|
|
|
2083 }
|
|
|
2084
|
|
|
2085 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2086 "ssi stub output: \"%V?%V\"", &r->uri, &r->args);
|
|
|
2087
|
|
|
2088 out = data;
|
|
|
2089
|
|
|
2090 if (!r->header_sent) {
|
|
|
2091 if (ngx_http_set_content_type(r) == NGX_ERROR) {
|
|
|
2092 return NGX_ERROR;
|
|
|
2093 }
|
|
|
2094
|
|
|
2095 if (ngx_http_send_header(r) == NGX_ERROR) {
|
|
|
2096 return NGX_ERROR;
|
|
|
2097 }
|
|
|
2098 }
|
|
|
2099
|
|
|
2100 return ngx_http_output_filter(r, out);
|
|
|
2101 }
|
|
|
2102
|
|
|
2103
|
|
|
2104 static ngx_int_t
|
|
|
2105 ngx_http_ssi_set_variable(ngx_http_request_t *r, void *data, ngx_int_t rc)
|
|
|
2106 {
|
|
|
2107 ngx_str_t *value = data;
|
|
|
2108
|
|
|
2109 if (r->upstream) {
|
|
|
2110 value->len = r->upstream->buffer.last - r->upstream->buffer.pos;
|
|
|
2111 value->data = r->upstream->buffer.pos;
|
|
|
2112 }
|
|
|
2113
|
|
|
2114 return rc;
|
|
|
2115 }
|
|
|
2116
|
|
|
2117
|
|
|
2118 static ngx_int_t
|
|
46
|
2119 ngx_http_ssi_echo(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2120 ngx_str_t **params)
|
|
|
2121 {
|
|
160
|
2122 ngx_int_t key;
|
|
50
|
2123 ngx_uint_t i;
|
|
48
|
2124 ngx_buf_t *b;
|
|
122
|
2125 ngx_str_t *var, *value, text;
|
|
48
|
2126 ngx_chain_t *cl;
|
|
50
|
2127 ngx_http_variable_value_t *vv;
|
|
46
|
2128
|
|
|
2129 var = params[NGX_HTTP_SSI_ECHO_VAR];
|
|
|
2130
|
|
192
|
2131 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2132 "ssi echo \"%V\"", var);
|
|
|
2133
|
|
160
|
2134 key = 0;
|
|
|
2135
|
|
|
2136 for (i = 0; i < var->len; i++) {
|
|
|
2137 var->data[i] = ngx_tolower(var->data[i]);
|
|
|
2138 key = ngx_hash(key, var->data[i]);
|
|
|
2139 }
|
|
|
2140
|
|
|
2141 value = ngx_http_ssi_get_variable(r, var, key);
|
|
102
|
2142
|
|
|
2143 if (value == NULL) {
|
|
184
|
2144 vv = ngx_http_get_variable(r, var, key, 1);
|
|
102
|
2145
|
|
|
2146 if (vv == NULL) {
|
|
|
2147 return NGX_HTTP_SSI_ERROR;
|
|
|
2148 }
|
|
|
2149
|
|
122
|
2150 if (!vv->not_found) {
|
|
|
2151 text.data = vv->data;
|
|
|
2152 text.len = vv->len;
|
|
|
2153 value = &text;
|
|
102
|
2154 }
|
|
50
|
2155 }
|
|
46
|
2156
|
|
102
|
2157 if (value == NULL) {
|
|
48
|
2158 value = params[NGX_HTTP_SSI_ECHO_DEFAULT];
|
|
|
2159
|
|
|
2160 if (value == NULL) {
|
|
|
2161 value = &ngx_http_ssi_none;
|
|
|
2162
|
|
|
2163 } else if (value->len == 0) {
|
|
|
2164 return NGX_OK;
|
|
|
2165 }
|
|
|
2166
|
|
|
2167 } else {
|
|
|
2168 if (value->len == 0) {
|
|
|
2169 return NGX_OK;
|
|
|
2170 }
|
|
|
2171 }
|
|
|
2172
|
|
|
2173 b = ngx_calloc_buf(r->pool);
|
|
|
2174 if (b == NULL) {
|
|
|
2175 return NGX_HTTP_SSI_ERROR;
|
|
|
2176 }
|
|
|
2177
|
|
|
2178 cl = ngx_alloc_chain_link(r->pool);
|
|
|
2179 if (cl == NULL) {
|
|
46
|
2180 return NGX_HTTP_SSI_ERROR;
|
|
|
2181 }
|
|
|
2182
|
|
|
2183 b->memory = 1;
|
|
|
2184 b->pos = value->data;
|
|
|
2185 b->last = value->data + value->len;
|
|
|
2186
|
|
|
2187 cl->buf = b;
|
|
|
2188 cl->next = NULL;
|
|
|
2189 *ctx->last_out = cl;
|
|
|
2190 ctx->last_out = &cl->next;
|
|
|
2191
|
|
|
2192 return NGX_OK;
|
|
|
2193 }
|
|
|
2194
|
|
|
2195
|
|
58
|
2196 static ngx_int_t
|
|
|
2197 ngx_http_ssi_config(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2198 ngx_str_t **params)
|
|
|
2199 {
|
|
|
2200 ngx_str_t *value;
|
|
|
2201
|
|
|
2202 value = params[NGX_HTTP_SSI_CONFIG_TIMEFMT];
|
|
|
2203
|
|
|
2204 if (value) {
|
|
138
|
2205 ctx->timefmt.len = value->len;
|
|
|
2206 ctx->timefmt.data = ngx_palloc(r->pool, value->len + 1);
|
|
|
2207 if (ctx->timefmt.data == NULL) {
|
|
|
2208 return NGX_HTTP_SSI_ERROR;
|
|
|
2209 }
|
|
|
2210
|
|
|
2211 ngx_cpystrn(ctx->timefmt.data, value->data, value->len + 1);
|
|
58
|
2212 }
|
|
|
2213
|
|
96
|
2214 value = params[NGX_HTTP_SSI_CONFIG_ERRMSG];
|
|
|
2215
|
|
|
2216 if (value) {
|
|
|
2217 ctx->errmsg = *value;
|
|
|
2218 }
|
|
|
2219
|
|
58
|
2220 return NGX_OK;
|
|
|
2221 }
|
|
|
2222
|
|
|
2223
|
|
|
2224 static ngx_int_t
|
|
102
|
2225 ngx_http_ssi_set(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
58
|
2226 ngx_str_t **params)
|
|
|
2227 {
|
|
248
|
2228 ngx_int_t key, rc;
|
|
160
|
2229 ngx_uint_t i;
|
|
102
|
2230 ngx_str_t *name, *value, *vv;
|
|
|
2231 ngx_http_ssi_var_t *var;
|
|
|
2232 ngx_http_ssi_ctx_t *mctx;
|
|
|
2233
|
|
|
2234 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
2235
|
|
216
|
2236 if (mctx->variables == NULL) {
|
|
248
|
2237 mctx->variables = ngx_list_create(r->pool, 4,
|
|
|
2238 sizeof(ngx_http_ssi_var_t));
|
|
216
|
2239 if (mctx->variables == NULL) {
|
|
248
|
2240 return NGX_ERROR;
|
|
58
|
2241 }
|
|
|
2242 }
|
|
|
2243
|
|
102
|
2244 name = params[NGX_HTTP_SSI_SET_VAR];
|
|
|
2245 value = params[NGX_HTTP_SSI_SET_VALUE];
|
|
|
2246
|
|
192
|
2247 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2248 "ssi set \"%V\" \"%V\"", name, value);
|
|
|
2249
|
|
248
|
2250 rc = ngx_http_ssi_evaluate_string(r, ctx, value, 0);
|
|
|
2251
|
|
|
2252 if (rc != NGX_OK) {
|
|
|
2253 return rc;
|
|
58
|
2254 }
|
|
|
2255
|
|
160
|
2256 key = 0;
|
|
|
2257
|
|
|
2258 for (i = 0; i < name->len; i++) {
|
|
|
2259 name->data[i] = ngx_tolower(name->data[i]);
|
|
|
2260 key = ngx_hash(key, name->data[i]);
|
|
|
2261 }
|
|
|
2262
|
|
|
2263 vv = ngx_http_ssi_get_variable(r, name, key);
|
|
102
|
2264
|
|
|
2265 if (vv) {
|
|
|
2266 *vv = *value;
|
|
|
2267 return NGX_OK;
|
|
|
2268 }
|
|
|
2269
|
|
248
|
2270 var = ngx_list_push(mctx->variables);
|
|
102
|
2271 if (var == NULL) {
|
|
248
|
2272 return NGX_ERROR;
|
|
102
|
2273 }
|
|
|
2274
|
|
|
2275 var->name = *name;
|
|
160
|
2276 var->key = key;
|
|
102
|
2277 var->value = *value;
|
|
|
2278
|
|
|
2279 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2280 "set: \"%V\"=\"%V\"", name, value);
|
|
|
2281
|
|
58
|
2282 return NGX_OK;
|
|
|
2283 }
|
|
|
2284
|
|
|
2285
|
|
|
2286 static ngx_int_t
|
|
|
2287 ngx_http_ssi_if(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2288 ngx_str_t **params)
|
|
|
2289 {
|
|
102
|
2290 u_char *p, *last;
|
|
|
2291 ngx_str_t *expr, left, right;
|
|
|
2292 ngx_int_t rc;
|
|
178
|
2293 ngx_uint_t negative, noregex, flags;
|
|
100
|
2294 #if (NGX_PCRE)
|
|
102
|
2295 ngx_str_t err;
|
|
|
2296 ngx_regex_t *regex;
|
|
|
2297 u_char errstr[NGX_MAX_CONF_ERRSTR];
|
|
100
|
2298 #endif
|
|
58
|
2299
|
|
178
|
2300 if (ctx->command.len == 2) {
|
|
|
2301 if (ctx->conditional) {
|
|
|
2302 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2303 "the \"if\" command inside the \"if\" command");
|
|
|
2304 return NGX_HTTP_SSI_ERROR;
|
|
|
2305 }
|
|
|
2306 }
|
|
|
2307
|
|
|
2308 if (ctx->output_chosen) {
|
|
|
2309 ctx->output = 0;
|
|
|
2310 return NGX_OK;
|
|
|
2311 }
|
|
|
2312
|
|
58
|
2313 expr = params[NGX_HTTP_SSI_IF_EXPR];
|
|
|
2314
|
|
192
|
2315 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2316 "ssi if expr=\"%V\"", expr);
|
|
|
2317
|
|
102
|
2318 left.data = expr->data;
|
|
100
|
2319 last = expr->data + expr->len;
|
|
|
2320
|
|
102
|
2321 for (p = left.data; p < last; p++) {
|
|
100
|
2322 if (*p >= 'A' && *p <= 'Z') {
|
|
|
2323 *p |= 0x20;
|
|
|
2324 continue;
|
|
|
2325 }
|
|
58
|
2326
|
|
102
|
2327 if ((*p >= 'a' && *p <= 'z')
|
|
|
2328 || (*p >= '0' && *p <= '9')
|
|
122
|
2329 || *p == '$' || *p == '{' || *p == '}' || *p == '_'
|
|
|
2330 || *p == '"' || *p == '\'')
|
|
102
|
2331 {
|
|
100
|
2332 continue;
|
|
|
2333 }
|
|
|
2334
|
|
|
2335 break;
|
|
|
2336 }
|
|
|
2337
|
|
102
|
2338 left.len = p - left.data;
|
|
100
|
2339
|
|
|
2340 while (p < last && *p == ' ') {
|
|
|
2341 p++;
|
|
58
|
2342 }
|
|
|
2343
|
|
184
|
2344 flags = (p == last) ? NGX_HTTP_SSI_EXPR_TEST : 0;
|
|
|
2345
|
|
102
|
2346 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2347 "left: \"%V\"", &left);
|
|
|
2348
|
|
248
|
2349 rc = ngx_http_ssi_evaluate_string(r, ctx, &left, flags);
|
|
|
2350
|
|
|
2351 if (rc != NGX_OK) {
|
|
|
2352 return rc;
|
|
58
|
2353 }
|
|
|
2354
|
|
102
|
2355 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2356 "evaluted left: \"%V\"", &left);
|
|
|
2357
|
|
100
|
2358 if (p == last) {
|
|
102
|
2359 if (left.len) {
|
|
100
|
2360 ctx->output = 1;
|
|
178
|
2361 ctx->output_chosen = 1;
|
|
100
|
2362
|
|
|
2363 } else {
|
|
|
2364 ctx->output = 0;
|
|
|
2365 }
|
|
|
2366
|
|
178
|
2367 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
2368
|
|
100
|
2369 return NGX_OK;
|
|
|
2370 }
|
|
|
2371
|
|
|
2372 if (p < last && *p == '=') {
|
|
|
2373 negative = 0;
|
|
|
2374 p++;
|
|
|
2375
|
|
|
2376 } else if (p + 1 < last && *p == '!' && *(p + 1) == '=') {
|
|
|
2377 negative = 1;
|
|
|
2378 p += 2;
|
|
|
2379
|
|
|
2380 } else {
|
|
|
2381 goto invalid_expression;
|
|
|
2382 }
|
|
|
2383
|
|
|
2384 while (p < last && *p == ' ') {
|
|
|
2385 p++;
|
|
|
2386 }
|
|
|
2387
|
|
300
|
2388 if (p < last - 1 && *p == '/') {
|
|
100
|
2389 if (*(last - 1) != '/') {
|
|
|
2390 goto invalid_expression;
|
|
|
2391 }
|
|
|
2392
|
|
|
2393 noregex = 0;
|
|
178
|
2394 flags = NGX_HTTP_SSI_ADD_ZERO;
|
|
100
|
2395 last--;
|
|
274
|
2396 p++;
|
|
100
|
2397
|
|
|
2398 } else {
|
|
|
2399 noregex = 1;
|
|
178
|
2400 flags = 0;
|
|
|
2401
|
|
|
2402 if (p < last - 1 && p[0] == '\\' && p[1] == '/') {
|
|
200
|
2403 p++;
|
|
178
|
2404 }
|
|
100
|
2405 }
|
|
|
2406
|
|
|
2407 right.len = last - p;
|
|
|
2408 right.data = p;
|
|
|
2409
|
|
102
|
2410 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2411 "right: \"%V\"", &right);
|
|
|
2412
|
|
248
|
2413 rc = ngx_http_ssi_evaluate_string(r, ctx, &right, flags);
|
|
|
2414
|
|
|
2415 if (rc != NGX_OK) {
|
|
|
2416 return rc;
|
|
100
|
2417 }
|
|
|
2418
|
|
102
|
2419 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2420 "evaluted right: \"%V\"", &right);
|
|
100
|
2421
|
|
|
2422 if (noregex) {
|
|
|
2423 if (left.len != right.len) {
|
|
|
2424 rc = -1;
|
|
|
2425
|
|
|
2426 } else {
|
|
|
2427 rc = ngx_strncmp(left.data, right.data, right.len);
|
|
|
2428 }
|
|
|
2429
|
|
|
2430 } else {
|
|
|
2431 #if (NGX_PCRE)
|
|
|
2432 err.len = NGX_MAX_CONF_ERRSTR;
|
|
|
2433 err.data = errstr;
|
|
|
2434
|
|
|
2435 right.data[right.len] = '\0';
|
|
|
2436
|
|
|
2437 regex = ngx_regex_compile(&right, 0, r->pool, &err);
|
|
|
2438
|
|
|
2439 if (regex == NULL) {
|
|
|
2440 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "%s", err.data);
|
|
|
2441 return NGX_HTTP_SSI_ERROR;
|
|
|
2442 }
|
|
|
2443
|
|
|
2444 rc = ngx_regex_exec(regex, &left, NULL, 0);
|
|
|
2445
|
|
|
2446 if (rc != NGX_REGEX_NO_MATCHED && rc < 0) {
|
|
|
2447 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
2448 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"",
|
|
|
2449 rc, &left, &right);
|
|
|
2450 return NGX_HTTP_SSI_ERROR;
|
|
|
2451 }
|
|
|
2452 #else
|
|
|
2453 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
2454 "the using of the regex \"%V\" in SSI "
|
|
|
2455 "requires PCRE library", &right);
|
|
|
2456
|
|
|
2457 return NGX_HTTP_SSI_ERROR;
|
|
|
2458 #endif
|
|
|
2459 }
|
|
|
2460
|
|
|
2461 if ((rc == 0 && !negative) || (rc != 0 && negative)) {
|
|
58
|
2462 ctx->output = 1;
|
|
178
|
2463 ctx->output_chosen = 1;
|
|
58
|
2464
|
|
|
2465 } else {
|
|
|
2466 ctx->output = 0;
|
|
|
2467 }
|
|
|
2468
|
|
178
|
2469 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
2470
|
|
58
|
2471 return NGX_OK;
|
|
100
|
2472
|
|
|
2473 invalid_expression:
|
|
|
2474
|
|
|
2475 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2476 "invalid expression in \"%V\"", expr);
|
|
|
2477
|
|
|
2478 return NGX_HTTP_SSI_ERROR;
|
|
58
|
2479 }
|
|
|
2480
|
|
|
2481
|
|
|
2482 static ngx_int_t
|
|
|
2483 ngx_http_ssi_else(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2484 ngx_str_t **params)
|
|
|
2485 {
|
|
192
|
2486 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2487 "ssi else");
|
|
|
2488
|
|
178
|
2489 if (ctx->output_chosen) {
|
|
|
2490 ctx->output = 0;
|
|
|
2491 } else {
|
|
|
2492 ctx->output = 1;
|
|
|
2493 }
|
|
|
2494
|
|
|
2495 ctx->conditional = NGX_HTTP_SSI_COND_ELSE;
|
|
58
|
2496
|
|
|
2497 return NGX_OK;
|
|
|
2498 }
|
|
|
2499
|
|
|
2500
|
|
|
2501 static ngx_int_t
|
|
|
2502 ngx_http_ssi_endif(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2503 ngx_str_t **params)
|
|
|
2504 {
|
|
192
|
2505 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2506 "ssi endif");
|
|
|
2507
|
|
58
|
2508 ctx->output = 1;
|
|
178
|
2509 ctx->output_chosen = 0;
|
|
|
2510 ctx->conditional = 0;
|
|
58
|
2511
|
|
|
2512 return NGX_OK;
|
|
|
2513 }
|
|
|
2514
|
|
|
2515
|
|
122
|
2516 static ngx_int_t
|
|
216
|
2517 ngx_http_ssi_block(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2518 ngx_str_t **params)
|
|
|
2519 {
|
|
|
2520 ngx_http_ssi_ctx_t *mctx;
|
|
|
2521 ngx_http_ssi_block_t *bl;
|
|
|
2522
|
|
|
2523 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2524 "ssi block");
|
|
|
2525
|
|
|
2526 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
2527
|
|
|
2528 if (mctx->blocks == NULL) {
|
|
|
2529 mctx->blocks = ngx_array_create(r->pool, 4,
|
|
|
2530 sizeof(ngx_http_ssi_block_t));
|
|
|
2531 if (mctx->blocks == NULL) {
|
|
|
2532 return NGX_HTTP_SSI_ERROR;
|
|
|
2533 }
|
|
|
2534 }
|
|
|
2535
|
|
|
2536 bl = ngx_array_push(mctx->blocks);
|
|
|
2537 if (bl == NULL) {
|
|
|
2538 return NGX_HTTP_SSI_ERROR;
|
|
|
2539 }
|
|
|
2540
|
|
|
2541 bl->name = *params[NGX_HTTP_SSI_BLOCK_NAME];
|
|
|
2542 bl->bufs = NULL;
|
|
|
2543 bl->count = 0;
|
|
|
2544
|
|
|
2545 ctx->output = 0;
|
|
|
2546 ctx->block = 1;
|
|
|
2547
|
|
|
2548 return NGX_OK;
|
|
|
2549 }
|
|
|
2550
|
|
|
2551
|
|
|
2552 static ngx_int_t
|
|
|
2553 ngx_http_ssi_endblock(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2554 ngx_str_t **params)
|
|
|
2555 {
|
|
|
2556 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2557 "ssi endblock");
|
|
|
2558
|
|
|
2559 ctx->output = 1;
|
|
|
2560 ctx->block = 0;
|
|
|
2561
|
|
|
2562 return NGX_OK;
|
|
|
2563 }
|
|
|
2564
|
|
|
2565
|
|
|
2566 static ngx_int_t
|
|
122
|
2567 ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
|
|
|
2568 ngx_http_variable_value_t *v, uintptr_t gmt)
|
|
58
|
2569 {
|
|
122
|
2570 ngx_http_ssi_ctx_t *ctx;
|
|
|
2571 ngx_time_t *tp;
|
|
|
2572 struct tm tm;
|
|
|
2573 char buf[NGX_HTTP_SSI_DATE_LEN];
|
|
|
2574
|
|
126
|
2575 v->valid = 1;
|
|
122
|
2576 v->no_cachable = 0;
|
|
|
2577 v->not_found = 0;
|
|
58
|
2578
|
|
112
|
2579 tp = ngx_timeofday();
|
|
|
2580
|
|
58
|
2581 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
2582
|
|
|
2583 if (ctx->timefmt.len == sizeof("%s") - 1
|
|
|
2584 && ctx->timefmt.data[0] == '%' && ctx->timefmt.data[1] == 's')
|
|
|
2585 {
|
|
122
|
2586 v->data = ngx_palloc(r->pool, NGX_TIME_T_LEN);
|
|
|
2587 if (v->data == NULL) {
|
|
|
2588 return NGX_ERROR;
|
|
58
|
2589 }
|
|
|
2590
|
|
122
|
2591 v->len = ngx_sprintf(v->data, "%T", tp->sec + (gmt ? 0 : tp->gmtoff))
|
|
|
2592 - v->data;
|
|
206
|
2593
|
|
122
|
2594 return NGX_OK;
|
|
58
|
2595 }
|
|
|
2596
|
|
|
2597 if (gmt) {
|
|
112
|
2598 ngx_libc_gmtime(tp->sec, &tm);
|
|
58
|
2599 } else {
|
|
112
|
2600 ngx_libc_localtime(tp->sec, &tm);
|
|
58
|
2601 }
|
|
|
2602
|
|
122
|
2603 v->len = strftime(buf, NGX_HTTP_SSI_DATE_LEN,
|
|
|
2604 (char *) ctx->timefmt.data, &tm);
|
|
|
2605 if (v->len == 0) {
|
|
|
2606 return NGX_ERROR;
|
|
58
|
2607 }
|
|
|
2608
|
|
122
|
2609 v->data = ngx_palloc(r->pool, v->len);
|
|
|
2610 if (v->data == NULL) {
|
|
|
2611 return NGX_ERROR;
|
|
58
|
2612 }
|
|
|
2613
|
|
122
|
2614 ngx_memcpy(v->data, buf, v->len);
|
|
|
2615
|
|
|
2616 return NGX_OK;
|
|
58
|
2617 }
|
|
|
2618
|
|
|
2619
|
|
76
|
2620 static char *
|
|
|
2621 ngx_http_ssi_types(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2622 {
|
|
146
|
2623 ngx_http_ssi_loc_conf_t *slcf = conf;
|
|
76
|
2624
|
|
|
2625 ngx_str_t *value, *type;
|
|
|
2626 ngx_uint_t i;
|
|
|
2627
|
|
146
|
2628 if (slcf->types == NULL) {
|
|
|
2629 slcf->types = ngx_array_create(cf->pool, 4, sizeof(ngx_str_t));
|
|
|
2630 if (slcf->types == NULL) {
|
|
76
|
2631 return NGX_CONF_ERROR;
|
|
|
2632 }
|
|
|
2633
|
|
146
|
2634 type = ngx_array_push(slcf->types);
|
|
76
|
2635 if (type == NULL) {
|
|
|
2636 return NGX_CONF_ERROR;
|
|
|
2637 }
|
|
|
2638
|
|
|
2639 type->len = sizeof("text/html") - 1;
|
|
|
2640 type->data = (u_char *) "text/html";
|
|
|
2641 }
|
|
|
2642
|
|
|
2643 value = cf->args->elts;
|
|
|
2644
|
|
|
2645 for (i = 1; i < cf->args->nelts; i++) {
|
|
|
2646
|
|
|
2647 if (ngx_strcmp(value[i].data, "text/html") == 0) {
|
|
|
2648 continue;
|
|
|
2649 }
|
|
|
2650
|
|
146
|
2651 type = ngx_array_push(slcf->types);
|
|
76
|
2652 if (type == NULL) {
|
|
|
2653 return NGX_CONF_ERROR;
|
|
|
2654 }
|
|
|
2655
|
|
|
2656 type->len = value[i].len;
|
|
|
2657
|
|
|
2658 type->data = ngx_palloc(cf->pool, type->len + 1);
|
|
|
2659 if (type->data == NULL) {
|
|
|
2660 return NGX_CONF_ERROR;
|
|
|
2661 }
|
|
|
2662
|
|
|
2663 ngx_cpystrn(type->data, value[i].data, type->len + 1);
|
|
|
2664 }
|
|
|
2665
|
|
|
2666 return NGX_CONF_OK;
|
|
|
2667 }
|
|
|
2668
|
|
|
2669
|
|
58
|
2670 static ngx_int_t
|
|
146
|
2671 ngx_http_ssi_preconfiguration(ngx_conf_t *cf)
|
|
58
|
2672 {
|
|
146
|
2673 ngx_int_t rc;
|
|
|
2674 ngx_http_variable_t *var, *v;
|
|
|
2675 ngx_http_ssi_command_t *cmd;
|
|
|
2676 ngx_http_ssi_main_conf_t *smcf;
|
|
58
|
2677
|
|
|
2678 for (v = ngx_http_ssi_vars; v->name.len; v++) {
|
|
|
2679 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
2680 if (var == NULL) {
|
|
|
2681 return NGX_ERROR;
|
|
|
2682 }
|
|
|
2683
|
|
186
|
2684 var->get_handler = v->get_handler;
|
|
58
|
2685 var->data = v->data;
|
|
|
2686 }
|
|
|
2687
|
|
146
|
2688 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
2689
|
|
|
2690 for (cmd = ngx_http_ssi_commands; cmd->name.len; cmd++) {
|
|
|
2691 rc = ngx_hash_add_key(&smcf->commands, &cmd->name, cmd,
|
|
|
2692 NGX_HASH_READONLY_KEY);
|
|
|
2693
|
|
|
2694 if (rc == NGX_OK) {
|
|
|
2695 continue;
|
|
|
2696 }
|
|
|
2697
|
|
|
2698 if (rc == NGX_BUSY) {
|
|
|
2699 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2700 "conflicting SSI command \"%V\"", &cmd->name);
|
|
|
2701 }
|
|
|
2702
|
|
|
2703 return NGX_ERROR;
|
|
|
2704 }
|
|
|
2705
|
|
126
|
2706 return NGX_OK;
|
|
58
|
2707 }
|
|
|
2708
|
|
|
2709
|
|
46
|
2710 static void *
|
|
146
|
2711 ngx_http_ssi_create_main_conf(ngx_conf_t *cf)
|
|
|
2712 {
|
|
|
2713 ngx_http_ssi_main_conf_t *smcf;
|
|
|
2714
|
|
|
2715 smcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_main_conf_t));
|
|
|
2716 if (smcf == NULL) {
|
|
|
2717 return NGX_CONF_ERROR;
|
|
|
2718 }
|
|
|
2719
|
|
|
2720 smcf->commands.pool = cf->pool;
|
|
|
2721 smcf->commands.temp_pool = cf->temp_pool;
|
|
|
2722
|
|
|
2723 if (ngx_hash_keys_array_init(&smcf->commands, NGX_HASH_SMALL) != NGX_OK) {
|
|
|
2724 return NGX_CONF_ERROR;
|
|
|
2725 }
|
|
|
2726
|
|
|
2727 return smcf;
|
|
|
2728 }
|
|
|
2729
|
|
|
2730
|
|
|
2731 static char *
|
|
|
2732 ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
2733 {
|
|
|
2734 ngx_http_ssi_main_conf_t *smcf = conf;
|
|
|
2735
|
|
|
2736 ngx_hash_init_t hash;
|
|
|
2737
|
|
|
2738 hash.hash = &smcf->hash;
|
|
|
2739 hash.key = ngx_hash_key;
|
|
|
2740 hash.max_size = 1024;
|
|
|
2741 hash.bucket_size = ngx_cacheline_size;
|
|
|
2742 hash.name = "ssi_command_hash";
|
|
|
2743 hash.pool = cf->pool;
|
|
|
2744 hash.temp_pool = NULL;
|
|
|
2745
|
|
|
2746 if (ngx_hash_init(&hash, smcf->commands.keys.elts,
|
|
|
2747 smcf->commands.keys.nelts)
|
|
|
2748 != NGX_OK)
|
|
|
2749 {
|
|
|
2750 return NGX_CONF_ERROR;
|
|
|
2751 }
|
|
|
2752
|
|
|
2753 return NGX_CONF_OK;
|
|
|
2754 }
|
|
|
2755
|
|
|
2756
|
|
|
2757 static void *
|
|
296
|
2758 ngx_http_ssi_create_loc_conf(ngx_conf_t *cf)
|
|
46
|
2759 {
|
|
146
|
2760 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
2761
|
|
|
2762 slcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_loc_conf_t));
|
|
|
2763 if (slcf == NULL) {
|
|
46
|
2764 return NGX_CONF_ERROR;
|
|
|
2765 }
|
|
|
2766
|
|
76
|
2767 /*
|
|
|
2768 * set by ngx_pcalloc():
|
|
|
2769 *
|
|
|
2770 * conf->types = NULL;
|
|
|
2771 */
|
|
|
2772
|
|
146
|
2773 slcf->enable = NGX_CONF_UNSET;
|
|
|
2774 slcf->silent_errors = NGX_CONF_UNSET;
|
|
|
2775 slcf->ignore_recycled_buffers = NGX_CONF_UNSET;
|
|
|
2776
|
|
|
2777 slcf->min_file_chunk = NGX_CONF_UNSET_SIZE;
|
|
|
2778 slcf->value_len = NGX_CONF_UNSET_SIZE;
|
|
|
2779
|
|
|
2780 return slcf;
|
|
46
|
2781 }
|
|
|
2782
|
|
|
2783
|
|
|
2784 static char *
|
|
296
|
2785 ngx_http_ssi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
46
|
2786 {
|
|
146
|
2787 ngx_http_ssi_loc_conf_t *prev = parent;
|
|
|
2788 ngx_http_ssi_loc_conf_t *conf = child;
|
|
46
|
2789
|
|
76
|
2790 ngx_str_t *type;
|
|
|
2791
|
|
46
|
2792 ngx_conf_merge_value(conf->enable, prev->enable, 0);
|
|
|
2793 ngx_conf_merge_value(conf->silent_errors, prev->silent_errors, 0);
|
|
58
|
2794 ngx_conf_merge_value(conf->ignore_recycled_buffers,
|
|
|
2795 prev->ignore_recycled_buffers, 0);
|
|
46
|
2796
|
|
|
2797 ngx_conf_merge_size_value(conf->min_file_chunk, prev->min_file_chunk, 1024);
|
|
|
2798 ngx_conf_merge_size_value(conf->value_len, prev->value_len, 256);
|
|
|
2799
|
|
76
|
2800 if (conf->types == NULL) {
|
|
|
2801 if (prev->types == NULL) {
|
|
|
2802 conf->types = ngx_array_create(cf->pool, 1, sizeof(ngx_str_t));
|
|
|
2803 if (conf->types == NULL) {
|
|
|
2804 return NGX_CONF_ERROR;
|
|
|
2805 }
|
|
|
2806
|
|
|
2807 type = ngx_array_push(conf->types);
|
|
|
2808 if (type == NULL) {
|
|
|
2809 return NGX_CONF_ERROR;
|
|
|
2810 }
|
|
|
2811
|
|
|
2812 type->len = sizeof("text/html") - 1;
|
|
|
2813 type->data = (u_char *) "text/html";
|
|
|
2814
|
|
|
2815 } else {
|
|
|
2816 conf->types = prev->types;
|
|
|
2817 }
|
|
|
2818 }
|
|
|
2819
|
|
46
|
2820 return NGX_CONF_OK;
|
|
|
2821 }
|
|
|
2822
|
|
|
2823
|
|
|
2824 static ngx_int_t
|
|
230
|
2825 ngx_http_ssi_filter_init(ngx_conf_t *cf)
|
|
46
|
2826 {
|
|
|
2827 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
|
2828 ngx_http_top_header_filter = ngx_http_ssi_header_filter;
|
|
|
2829
|
|
|
2830 ngx_http_next_body_filter = ngx_http_top_body_filter;
|
|
|
2831 ngx_http_top_body_filter = ngx_http_ssi_body_filter;
|
|
|
2832
|
|
|
2833 return NGX_OK;
|
|
|
2834 }
|
