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46
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10
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102
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11 #define NGX_HTTP_SSI_ERROR 1
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12
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13 #define NGX_HTTP_SSI_DATE_LEN 2048
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14
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15 #define NGX_HTTP_SSI_ADD_PREFIX 1
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178
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16 #define NGX_HTTP_SSI_ADD_ZERO 2
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58
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17
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46
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18
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19 typedef struct {
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146
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20 ngx_flag_t enable;
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21 ngx_flag_t silent_errors;
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22 ngx_flag_t ignore_recycled_buffers;
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23
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394
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24 ngx_hash_t types;
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146
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25
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26 size_t min_file_chunk;
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27 size_t value_len;
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394
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28
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29 ngx_array_t *types_keys;
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146
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30 } ngx_http_ssi_loc_conf_t;
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102
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31
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32
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33 typedef struct {
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146
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34 ngx_str_t name;
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160
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35 ngx_uint_t key;
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146
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36 ngx_str_t value;
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37 } ngx_http_ssi_var_t;
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46
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38
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39
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216
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40 typedef struct {
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41 ngx_str_t name;
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42 ngx_chain_t *bufs;
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43 ngx_uint_t count;
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44 } ngx_http_ssi_block_t;
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45
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46
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46
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47 typedef enum {
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48 ssi_start_state = 0,
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49 ssi_tag_state,
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50 ssi_comment0_state,
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51 ssi_comment1_state,
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52 ssi_sharp_state,
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53 ssi_precommand_state,
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54 ssi_command_state,
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55 ssi_preparam_state,
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56 ssi_param_state,
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57 ssi_preequal_state,
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58 ssi_prevalue_state,
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59 ssi_double_quoted_value_state,
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60 ssi_quoted_value_state,
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61 ssi_quoted_symbol_state,
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62 ssi_postparam_state,
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63 ssi_comment_end0_state,
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64 ssi_comment_end1_state,
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65 ssi_error_state,
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66 ssi_error_end0_state,
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67 ssi_error_end1_state
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68 } ngx_http_ssi_state_e;
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69
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70
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58
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71 static ngx_int_t ngx_http_ssi_output(ngx_http_request_t *r,
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72 ngx_http_ssi_ctx_t *ctx);
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512
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73 static void ngx_http_ssi_buffered(ngx_http_request_t *r,
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74 ngx_http_ssi_ctx_t *ctx);
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46
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75 static ngx_int_t ngx_http_ssi_parse(ngx_http_request_t *r,
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76 ngx_http_ssi_ctx_t *ctx);
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102
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77 static ngx_str_t *ngx_http_ssi_get_variable(ngx_http_request_t *r,
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160
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78 ngx_str_t *name, ngx_uint_t key);
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102
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79 static ngx_int_t ngx_http_ssi_evaluate_string(ngx_http_request_t *r,
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80 ngx_http_ssi_ctx_t *ctx, ngx_str_t *text, ngx_uint_t flags);
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81
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82 static ngx_int_t ngx_http_ssi_include(ngx_http_request_t *r,
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83 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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248
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84 static ngx_int_t ngx_http_ssi_stub_output(ngx_http_request_t *r, void *data,
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85 ngx_int_t rc);
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86 static ngx_int_t ngx_http_ssi_set_variable(ngx_http_request_t *r, void *data,
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87 ngx_int_t rc);
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46
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88 static ngx_int_t ngx_http_ssi_echo(ngx_http_request_t *r,
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89 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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58
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90 static ngx_int_t ngx_http_ssi_config(ngx_http_request_t *r,
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91 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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102
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92 static ngx_int_t ngx_http_ssi_set(ngx_http_request_t *r,
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58
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93 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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94 static ngx_int_t ngx_http_ssi_if(ngx_http_request_t *r,
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95 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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96 static ngx_int_t ngx_http_ssi_else(ngx_http_request_t *r,
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97 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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98 static ngx_int_t ngx_http_ssi_endif(ngx_http_request_t *r,
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99 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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216
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100 static ngx_int_t ngx_http_ssi_block(ngx_http_request_t *r,
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101 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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102 static ngx_int_t ngx_http_ssi_endblock(ngx_http_request_t *r,
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103 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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46
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104
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122
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105 static ngx_int_t ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
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380
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106 ngx_http_variable_value_t *v, uintptr_t gmt);
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58
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107
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146
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108 static ngx_int_t ngx_http_ssi_preconfiguration(ngx_conf_t *cf);
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109 static void *ngx_http_ssi_create_main_conf(ngx_conf_t *cf);
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110 static char *ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf);
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296
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111 static void *ngx_http_ssi_create_loc_conf(ngx_conf_t *cf);
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112 static char *ngx_http_ssi_merge_loc_conf(ngx_conf_t *cf,
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46
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113 void *parent, void *child);
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230
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114 static ngx_int_t ngx_http_ssi_filter_init(ngx_conf_t *cf);
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46
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115
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116
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117 static ngx_command_t ngx_http_ssi_filter_commands[] = {
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118
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119 { ngx_string("ssi"),
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230
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120 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
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121 |NGX_CONF_FLAG,
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122 ngx_conf_set_flag_slot,
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123 NGX_HTTP_LOC_CONF_OFFSET,
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146
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124 offsetof(ngx_http_ssi_loc_conf_t, enable),
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125 NULL },
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126
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127 { ngx_string("ssi_silent_errors"),
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128 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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129 ngx_conf_set_flag_slot,
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130 NGX_HTTP_LOC_CONF_OFFSET,
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146
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131 offsetof(ngx_http_ssi_loc_conf_t, silent_errors),
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132 NULL },
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133
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134 { ngx_string("ssi_ignore_recycled_buffers"),
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135 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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136 ngx_conf_set_flag_slot,
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137 NGX_HTTP_LOC_CONF_OFFSET,
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146
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138 offsetof(ngx_http_ssi_loc_conf_t, ignore_recycled_buffers),
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139 NULL },
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140
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46
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141 { ngx_string("ssi_min_file_chunk"),
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142 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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143 ngx_conf_set_size_slot,
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144 NGX_HTTP_LOC_CONF_OFFSET,
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146
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145 offsetof(ngx_http_ssi_loc_conf_t, min_file_chunk),
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46
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146 NULL },
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147
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138
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148 { ngx_string("ssi_value_length"),
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149 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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150 ngx_conf_set_size_slot,
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151 NGX_HTTP_LOC_CONF_OFFSET,
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146
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152 offsetof(ngx_http_ssi_loc_conf_t, value_len),
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138
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153 NULL },
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154
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76
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155 { ngx_string("ssi_types"),
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156 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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394
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157 ngx_http_types_slot,
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76
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158 NGX_HTTP_LOC_CONF_OFFSET,
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394
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159 offsetof(ngx_http_ssi_loc_conf_t, types_keys),
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160 &ngx_http_html_default_types[0] },
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76
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161
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46
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162 ngx_null_command
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163 };
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164
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165
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126
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166
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46
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167 static ngx_http_module_t ngx_http_ssi_filter_module_ctx = {
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146
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168 ngx_http_ssi_preconfiguration, /* preconfiguration */
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230
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169 ngx_http_ssi_filter_init, /* postconfiguration */
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46
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170
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146
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171 ngx_http_ssi_create_main_conf, /* create main configuration */
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172 ngx_http_ssi_init_main_conf, /* init main configuration */
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46
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173
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174 NULL, /* create server configuration */
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175 NULL, /* merge server configuration */
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176
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296
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177 ngx_http_ssi_create_loc_conf, /* create location configuration */
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178 ngx_http_ssi_merge_loc_conf /* merge location configuration */
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126
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179 };
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46
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180
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181
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182 ngx_module_t ngx_http_ssi_filter_module = {
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58
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183 NGX_MODULE_V1,
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46
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184 &ngx_http_ssi_filter_module_ctx, /* module context */
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185 ngx_http_ssi_filter_commands, /* module directives */
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186 NGX_HTTP_MODULE, /* module type */
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90
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187 NULL, /* init master */
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230
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188 NULL, /* init module */
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90
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189 NULL, /* init process */
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190 NULL, /* init thread */
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191 NULL, /* exit thread */
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192 NULL, /* exit process */
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193 NULL, /* exit master */
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194 NGX_MODULE_V1_PADDING
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46
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195 };
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196
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197
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118
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198 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
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199 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
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46
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200
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201
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202 static u_char ngx_http_ssi_string[] = "<!--";
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203
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204 static ngx_str_t ngx_http_ssi_none = ngx_string("(none)");
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248
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205 static ngx_str_t ngx_http_ssi_null_string = ngx_null_string;
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206
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207
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102
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208 #define NGX_HTTP_SSI_INCLUDE_VIRTUAL 0
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209 #define NGX_HTTP_SSI_INCLUDE_FILE 1
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194
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210 #define NGX_HTTP_SSI_INCLUDE_WAIT 2
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248
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211 #define NGX_HTTP_SSI_INCLUDE_SET 3
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212 #define NGX_HTTP_SSI_INCLUDE_STUB 4
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213
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58
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214 #define NGX_HTTP_SSI_ECHO_VAR 0
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215 #define NGX_HTTP_SSI_ECHO_DEFAULT 1
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340
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216 #define NGX_HTTP_SSI_ECHO_ENCODING 2
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217
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96
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218 #define NGX_HTTP_SSI_CONFIG_ERRMSG 0
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219 #define NGX_HTTP_SSI_CONFIG_TIMEFMT 1
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58
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220
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102
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221 #define NGX_HTTP_SSI_SET_VAR 0
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222 #define NGX_HTTP_SSI_SET_VALUE 1
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223
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224 #define NGX_HTTP_SSI_IF_EXPR 0
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225
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216
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226 #define NGX_HTTP_SSI_BLOCK_NAME 0
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227
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46
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228
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102
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229 static ngx_http_ssi_param_t ngx_http_ssi_include_params[] = {
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146
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230 { ngx_string("virtual"), NGX_HTTP_SSI_INCLUDE_VIRTUAL, 0, 0 },
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231 { ngx_string("file"), NGX_HTTP_SSI_INCLUDE_FILE, 0, 0 },
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194
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232 { ngx_string("wait"), NGX_HTTP_SSI_INCLUDE_WAIT, 0, 0 },
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248
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233 { ngx_string("set"), NGX_HTTP_SSI_INCLUDE_SET, 0, 0 },
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216
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234 { ngx_string("stub"), NGX_HTTP_SSI_INCLUDE_STUB, 0, 0 },
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146
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235 { ngx_null_string, 0, 0, 0 }
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102
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236 };
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237
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238
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239 static ngx_http_ssi_param_t ngx_http_ssi_echo_params[] = {
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146
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240 { ngx_string("var"), NGX_HTTP_SSI_ECHO_VAR, 1, 0 },
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241 { ngx_string("default"), NGX_HTTP_SSI_ECHO_DEFAULT, 0, 0 },
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340
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242 { ngx_string("encoding"), NGX_HTTP_SSI_ECHO_ENCODING, 0, 0 },
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146
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243 { ngx_null_string, 0, 0, 0 }
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46
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244 };
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245
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246
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247 static ngx_http_ssi_param_t ngx_http_ssi_config_params[] = {
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146
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248 { ngx_string("errmsg"), NGX_HTTP_SSI_CONFIG_ERRMSG, 0, 0 },
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249 { ngx_string("timefmt"), NGX_HTTP_SSI_CONFIG_TIMEFMT, 0, 0 },
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250 { ngx_null_string, 0, 0, 0 }
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58
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251 };
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252
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253
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102
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254 static ngx_http_ssi_param_t ngx_http_ssi_set_params[] = {
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146
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255 { ngx_string("var"), NGX_HTTP_SSI_SET_VAR, 1, 0 },
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256 { ngx_string("value"), NGX_HTTP_SSI_SET_VALUE, 1, 0 },
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257 { ngx_null_string, 0, 0, 0 }
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102
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258 };
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259
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260
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58
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261 static ngx_http_ssi_param_t ngx_http_ssi_if_params[] = {
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146
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262 { ngx_string("expr"), NGX_HTTP_SSI_IF_EXPR, 1, 0 },
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263 { ngx_null_string, 0, 0, 0 }
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58
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264 };
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265
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266
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216
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267 static ngx_http_ssi_param_t ngx_http_ssi_block_params[] = {
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268 { ngx_string("name"), NGX_HTTP_SSI_BLOCK_NAME, 1, 0 },
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269 { ngx_null_string, 0, 0, 0 }
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270 };
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271
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272
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58
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273 static ngx_http_ssi_param_t ngx_http_ssi_no_params[] = {
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146
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274 { ngx_null_string, 0, 0, 0 }
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58
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275 };
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276
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46
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277
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278 static ngx_http_ssi_command_t ngx_http_ssi_commands[] = {
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102
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279 { ngx_string("include"), ngx_http_ssi_include,
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216
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280 ngx_http_ssi_include_params, 0, 0, 1 },
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281 { ngx_string("echo"), ngx_http_ssi_echo,
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282 ngx_http_ssi_echo_params, 0, 0, 0 },
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58
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283 { ngx_string("config"), ngx_http_ssi_config,
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216
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284 ngx_http_ssi_config_params, 0, 0, 0 },
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285 { ngx_string("set"), ngx_http_ssi_set, ngx_http_ssi_set_params, 0, 0, 0 },
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286
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287 { ngx_string("if"), ngx_http_ssi_if, ngx_http_ssi_if_params, 0, 0, 0 },
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178
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288 { ngx_string("elif"), ngx_http_ssi_if, ngx_http_ssi_if_params,
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216
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289 NGX_HTTP_SSI_COND_IF, 0, 0 },
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178
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290 { ngx_string("else"), ngx_http_ssi_else, ngx_http_ssi_no_params,
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216
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291 NGX_HTTP_SSI_COND_IF, 0, 0 },
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178
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292 { ngx_string("endif"), ngx_http_ssi_endif, ngx_http_ssi_no_params,
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216
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293 NGX_HTTP_SSI_COND_ELSE, 0, 0 },
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294
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295 { ngx_string("block"), ngx_http_ssi_block,
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296 ngx_http_ssi_block_params, 0, 0, 0 },
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297 { ngx_string("endblock"), ngx_http_ssi_endblock,
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298 ngx_http_ssi_no_params, 0, 1, 0 },
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299
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300 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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46
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301 };
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302
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303
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58
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304 static ngx_http_variable_t ngx_http_ssi_vars[] = {
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305
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186
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306 { ngx_string("date_local"), NULL, ngx_http_ssi_date_gmt_local_variable, 0,
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340
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307 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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58
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308
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186
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309 { ngx_string("date_gmt"), NULL, ngx_http_ssi_date_gmt_local_variable, 1,
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340
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310 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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58
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311
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186
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312 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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58
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313 };
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314
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315
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316
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46
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317 static ngx_int_t
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318 ngx_http_ssi_header_filter(ngx_http_request_t *r)
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319 {
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146
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320 ngx_http_ssi_ctx_t *ctx;
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321 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
322
|
|
|
323 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
|
324
|
|
|
325 if (!slcf->enable
|
|
394
|
326 || r->headers_out.content_length_n == 0
|
|
|
327 || ngx_http_test_content_type(r, &slcf->types) == NULL)
|
|
46
|
328 {
|
|
|
329 return ngx_http_next_header_filter(r);
|
|
|
330 }
|
|
|
331
|
|
48
|
332 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_ssi_ctx_t));
|
|
|
333 if (ctx == NULL) {
|
|
46
|
334 return NGX_ERROR;
|
|
|
335 }
|
|
|
336
|
|
|
337 ngx_http_set_ctx(r, ctx, ngx_http_ssi_filter_module);
|
|
|
338
|
|
|
339
|
|
146
|
340 ctx->value_len = slcf->value_len;
|
|
46
|
341 ctx->last_out = &ctx->out;
|
|
|
342
|
|
340
|
343 ctx->encoding = NGX_HTTP_SSI_ENTITY_ENCODING;
|
|
58
|
344 ctx->output = 1;
|
|
|
345
|
|
46
|
346 ctx->params.elts = ctx->params_array;
|
|
|
347 ctx->params.size = sizeof(ngx_table_elt_t);
|
|
|
348 ctx->params.nalloc = NGX_HTTP_SSI_PARAMS_N;
|
|
|
349 ctx->params.pool = r->pool;
|
|
|
350
|
|
58
|
351 ctx->timefmt.len = sizeof("%A, %d-%b-%Y %H:%M:%S %Z") - 1;
|
|
|
352 ctx->timefmt.data = (u_char *) "%A, %d-%b-%Y %H:%M:%S %Z";
|
|
46
|
353
|
|
96
|
354 ctx->errmsg.len =
|
|
|
355 sizeof("[an error occurred while processing the directive]") - 1;
|
|
|
356 ctx->errmsg.data = (u_char *)
|
|
|
357 "[an error occurred while processing the directive]";
|
|
|
358
|
|
46
|
359 r->filter_need_in_memory = 1;
|
|
|
360
|
|
146
|
361 if (r == r->main) {
|
|
126
|
362 ngx_http_clear_content_length(r);
|
|
|
363 ngx_http_clear_last_modified(r);
|
|
502
|
364 ngx_http_clear_accept_ranges(r);
|
|
58
|
365 }
|
|
|
366
|
|
46
|
367 return ngx_http_next_header_filter(r);
|
|
|
368 }
|
|
|
369
|
|
|
370
|
|
|
371 static ngx_int_t
|
|
|
372 ngx_http_ssi_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
|
|
|
373 {
|
|
216
|
374 size_t len;
|
|
146
|
375 ngx_int_t rc;
|
|
|
376 ngx_buf_t *b;
|
|
|
377 ngx_uint_t i, index;
|
|
216
|
378 ngx_chain_t *cl, **ll;
|
|
146
|
379 ngx_table_elt_t *param;
|
|
216
|
380 ngx_http_ssi_ctx_t *ctx, *mctx;
|
|
|
381 ngx_http_ssi_block_t *bl;
|
|
146
|
382 ngx_http_ssi_param_t *prm;
|
|
|
383 ngx_http_ssi_command_t *cmd;
|
|
|
384 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
385 ngx_http_ssi_main_conf_t *smcf;
|
|
148
|
386 ngx_str_t *params[NGX_HTTP_SSI_MAX_PARAMS + 1];
|
|
46
|
387
|
|
|
388 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
389
|
|
194
|
390 if (ctx == NULL
|
|
|
391 || (in == NULL
|
|
|
392 && ctx->buf == NULL
|
|
|
393 && ctx->in == NULL
|
|
|
394 && ctx->busy == NULL))
|
|
|
395 {
|
|
46
|
396 return ngx_http_next_body_filter(r, in);
|
|
|
397 }
|
|
|
398
|
|
|
399 /* add the incoming chain to the chain ctx->in */
|
|
|
400
|
|
|
401 if (in) {
|
|
454
|
402 if (ngx_chain_add_copy(r->pool, &ctx->in, in) != NGX_OK) {
|
|
46
|
403 return NGX_ERROR;
|
|
|
404 }
|
|
|
405 }
|
|
|
406
|
|
426
|
407 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
408 "http ssi filter \"%V?%V\"", &r->uri, &r->args);
|
|
|
409
|
|
194
|
410 if (ctx->wait) {
|
|
426
|
411
|
|
|
412 if (r != r->connection->data) {
|
|
|
413 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
414 "http ssi filter wait \"%V?%V\" non-active",
|
|
|
415 &ctx->wait->uri, &ctx->wait->args);
|
|
|
416
|
|
194
|
417 return NGX_AGAIN;
|
|
|
418 }
|
|
|
419
|
|
426
|
420 if (ctx->wait->done) {
|
|
|
421 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
422 "http ssi filter wait \"%V?%V\" done",
|
|
|
423 &ctx->wait->uri, &ctx->wait->args);
|
|
|
424
|
|
244
|
425 ctx->wait = NULL;
|
|
426
|
426
|
|
|
427 } else {
|
|
|
428 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
429 "http ssi filter wait \"%V?%V\"",
|
|
|
430 &ctx->wait->uri, &ctx->wait->args);
|
|
|
431
|
|
|
432 return ngx_http_next_body_filter(r, NULL);
|
|
244
|
433 }
|
|
194
|
434 }
|
|
|
435
|
|
146
|
436 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
46
|
437
|
|
48
|
438 while (ctx->in || ctx->buf) {
|
|
46
|
439
|
|
48
|
440 if (ctx->buf == NULL ){
|
|
|
441 ctx->buf = ctx->in->buf;
|
|
|
442 ctx->in = ctx->in->next;
|
|
|
443 ctx->pos = ctx->buf->pos;
|
|
|
444 }
|
|
46
|
445
|
|
|
446 if (ctx->state == ssi_start_state) {
|
|
|
447 ctx->copy_start = ctx->pos;
|
|
|
448 ctx->copy_end = ctx->pos;
|
|
|
449 }
|
|
|
450
|
|
48
|
451 b = NULL;
|
|
|
452
|
|
46
|
453 while (ctx->pos < ctx->buf->last) {
|
|
|
454
|
|
|
455 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
456 "saved: %d state: %d", ctx->saved, ctx->state);
|
|
|
457
|
|
|
458 rc = ngx_http_ssi_parse(r, ctx);
|
|
|
459
|
|
|
460 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
461 "parse: %d, looked: %d %p-%p",
|
|
|
462 rc, ctx->looked, ctx->copy_start, ctx->copy_end);
|
|
|
463
|
|
|
464 if (rc == NGX_ERROR) {
|
|
|
465 return rc;
|
|
|
466 }
|
|
|
467
|
|
|
468 if (ctx->copy_start != ctx->copy_end) {
|
|
|
469
|
|
58
|
470 if (ctx->output) {
|
|
|
471
|
|
|
472 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
473 "saved: %d", ctx->saved);
|
|
|
474
|
|
|
475 if (ctx->saved) {
|
|
|
476
|
|
|
477 if (ctx->free) {
|
|
|
478 cl = ctx->free;
|
|
|
479 ctx->free = ctx->free->next;
|
|
|
480 b = cl->buf;
|
|
|
481 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
46
|
482
|
|
58
|
483 } else {
|
|
|
484 b = ngx_calloc_buf(r->pool);
|
|
|
485 if (b == NULL) {
|
|
|
486 return NGX_ERROR;
|
|
|
487 }
|
|
|
488
|
|
|
489 cl = ngx_alloc_chain_link(r->pool);
|
|
|
490 if (cl == NULL) {
|
|
|
491 return NGX_ERROR;
|
|
|
492 }
|
|
|
493
|
|
|
494 cl->buf = b;
|
|
|
495 }
|
|
|
496
|
|
|
497 b->memory = 1;
|
|
|
498 b->pos = ngx_http_ssi_string;
|
|
|
499 b->last = ngx_http_ssi_string + ctx->saved;
|
|
|
500
|
|
|
501 *ctx->last_out = cl;
|
|
|
502 ctx->last_out = &cl->next;
|
|
|
503
|
|
|
504 ctx->saved = 0;
|
|
|
505 }
|
|
48
|
506
|
|
|
507 if (ctx->free) {
|
|
|
508 cl = ctx->free;
|
|
|
509 ctx->free = ctx->free->next;
|
|
|
510 b = cl->buf;
|
|
|
511
|
|
|
512 } else {
|
|
58
|
513 b = ngx_alloc_buf(r->pool);
|
|
48
|
514 if (b == NULL) {
|
|
|
515 return NGX_ERROR;
|
|
|
516 }
|
|
|
517
|
|
|
518 cl = ngx_alloc_chain_link(r->pool);
|
|
|
519 if (cl == NULL) {
|
|
|
520 return NGX_ERROR;
|
|
|
521 }
|
|
|
522
|
|
|
523 cl->buf = b;
|
|
46
|
524 }
|
|
|
525
|
|
58
|
526 ngx_memcpy(b, ctx->buf, sizeof(ngx_buf_t));
|
|
|
527
|
|
62
|
528 b->pos = ctx->copy_start;
|
|
|
529 b->last = ctx->copy_end;
|
|
|
530 b->shadow = NULL;
|
|
58
|
531 b->last_buf = 0;
|
|
|
532 b->recycled = 0;
|
|
46
|
533
|
|
58
|
534 if (b->in_file) {
|
|
146
|
535 if (slcf->min_file_chunk < (size_t) (b->last - b->pos))
|
|
58
|
536 {
|
|
386
|
537 b->file_last = b->file_pos
|
|
|
538 + (b->last - ctx->buf->pos);
|
|
|
539 b->file_pos += b->pos - ctx->buf->pos;
|
|
58
|
540
|
|
|
541 } else {
|
|
|
542 b->in_file = 0;
|
|
|
543 }
|
|
|
544 }
|
|
|
545
|
|
|
546 cl->next = NULL;
|
|
46
|
547 *ctx->last_out = cl;
|
|
|
548 ctx->last_out = &cl->next;
|
|
|
549
|
|
58
|
550 } else {
|
|
216
|
551 if (ctx->block
|
|
|
552 && ctx->saved + (ctx->copy_end - ctx->copy_start))
|
|
|
553 {
|
|
|
554 b = ngx_create_temp_buf(r->pool,
|
|
|
555 ctx->saved + (ctx->copy_end - ctx->copy_start));
|
|
|
556
|
|
|
557 if (b == NULL) {
|
|
|
558 return NGX_ERROR;
|
|
|
559 }
|
|
|
560
|
|
|
561 if (ctx->saved) {
|
|
|
562 b->last = ngx_cpymem(b->pos, ngx_http_ssi_string,
|
|
|
563 ctx->saved);
|
|
|
564 }
|
|
|
565
|
|
|
566 b->last = ngx_cpymem(b->last, ctx->copy_start,
|
|
|
567 ctx->copy_end - ctx->copy_start);
|
|
|
568
|
|
|
569 cl = ngx_alloc_chain_link(r->pool);
|
|
|
570 if (cl == NULL) {
|
|
|
571 return NGX_ERROR;
|
|
|
572 }
|
|
|
573
|
|
|
574 cl->buf = b;
|
|
|
575 cl->next = NULL;
|
|
|
576
|
|
|
577 b = NULL;
|
|
|
578
|
|
|
579 mctx = ngx_http_get_module_ctx(r->main,
|
|
|
580 ngx_http_ssi_filter_module);
|
|
|
581 bl = mctx->blocks->elts;
|
|
|
582 for (ll = &bl[mctx->blocks->nelts - 1].bufs;
|
|
|
583 *ll;
|
|
|
584 ll = &(*ll)->next)
|
|
|
585 {
|
|
|
586 /* void */
|
|
|
587 }
|
|
|
588
|
|
|
589 *ll = cl;
|
|
|
590 }
|
|
|
591
|
|
46
|
592 ctx->saved = 0;
|
|
|
593 }
|
|
|
594 }
|
|
|
595
|
|
|
596 if (ctx->state == ssi_start_state) {
|
|
|
597 ctx->copy_start = ctx->pos;
|
|
|
598 ctx->copy_end = ctx->pos;
|
|
|
599
|
|
|
600 } else {
|
|
|
601 ctx->copy_start = NULL;
|
|
|
602 ctx->copy_end = NULL;
|
|
|
603 }
|
|
|
604
|
|
|
605 if (rc == NGX_AGAIN) {
|
|
|
606 continue;
|
|
|
607 }
|
|
|
608
|
|
|
609
|
|
122
|
610 b = NULL;
|
|
|
611
|
|
46
|
612 if (rc == NGX_OK) {
|
|
|
613
|
|
146
|
614 smcf = ngx_http_get_module_main_conf(r,
|
|
|
615 ngx_http_ssi_filter_module);
|
|
|
616
|
|
|
617 cmd = ngx_hash_find(&smcf->hash, ctx->key, ctx->command.data,
|
|
|
618 ctx->command.len);
|
|
|
619
|
|
|
620 if (cmd == NULL) {
|
|
|
621 if (ctx->output) {
|
|
|
622 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
623 "invalid SSI command: \"%V\"",
|
|
|
624 &ctx->command);
|
|
|
625 goto ssi_error;
|
|
46
|
626 }
|
|
|
627
|
|
146
|
628 continue;
|
|
46
|
629 }
|
|
|
630
|
|
178
|
631 if (cmd->conditional
|
|
|
632 && (ctx->conditional == 0
|
|
|
633 || ctx->conditional > cmd->conditional))
|
|
|
634 {
|
|
|
635 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
636 "invalid context of SSI command: \"%V\"",
|
|
|
637 &ctx->command);
|
|
|
638 goto ssi_error;
|
|
|
639 }
|
|
|
640
|
|
216
|
641 if (!ctx->output && !cmd->block) {
|
|
|
642
|
|
|
643 if (ctx->block) {
|
|
|
644
|
|
|
645 /* reconstruct the SSI command text */
|
|
|
646
|
|
|
647 len = 5 + ctx->command.len + 4;
|
|
|
648
|
|
|
649 param = ctx->params.elts;
|
|
|
650 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
651 len += 1 + param[i].key.len + 2
|
|
|
652 + param[i].value.len + 1;
|
|
|
653 }
|
|
|
654
|
|
|
655 b = ngx_create_temp_buf(r->pool, len);
|
|
|
656
|
|
|
657 if (b == NULL) {
|
|
|
658 return NGX_ERROR;
|
|
|
659 }
|
|
|
660
|
|
|
661 cl = ngx_alloc_chain_link(r->pool);
|
|
|
662 if (cl == NULL) {
|
|
|
663 return NGX_ERROR;
|
|
|
664 }
|
|
|
665
|
|
|
666 cl->buf = b;
|
|
|
667 cl->next = NULL;
|
|
|
668
|
|
|
669 *b->last++ = '<';
|
|
|
670 *b->last++ = '!';
|
|
|
671 *b->last++ = '-';
|
|
|
672 *b->last++ = '-';
|
|
|
673 *b->last++ = '#';
|
|
|
674
|
|
|
675 b->last = ngx_cpymem(b->last, ctx->command.data,
|
|
|
676 ctx->command.len);
|
|
|
677
|
|
|
678 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
679 *b->last++ = ' ';
|
|
|
680 b->last = ngx_cpymem(b->last, param[i].key.data,
|
|
|
681 param[i].key.len);
|
|
|
682 *b->last++ = '=';
|
|
|
683 *b->last++ = '"';
|
|
|
684 b->last = ngx_cpymem(b->last, param[i].value.data,
|
|
|
685 param[i].value.len);
|
|
|
686 *b->last++ = '"';
|
|
|
687 }
|
|
|
688
|
|
|
689 *b->last++ = ' ';
|
|
|
690 *b->last++ = '-';
|
|
|
691 *b->last++ = '-';
|
|
|
692 *b->last++ = '>';
|
|
|
693
|
|
|
694 mctx = ngx_http_get_module_ctx(r->main,
|
|
|
695 ngx_http_ssi_filter_module);
|
|
|
696 bl = mctx->blocks->elts;
|
|
|
697 for (ll = &bl[mctx->blocks->nelts - 1].bufs;
|
|
|
698 *ll;
|
|
|
699 ll = &(*ll)->next)
|
|
|
700 {
|
|
|
701 /* void */
|
|
|
702 }
|
|
|
703
|
|
|
704 *ll = cl;
|
|
|
705
|
|
|
706 b = NULL;
|
|
|
707
|
|
|
708 continue;
|
|
|
709 }
|
|
|
710
|
|
|
711 if (cmd->conditional == 0) {
|
|
|
712 continue;
|
|
|
713 }
|
|
58
|
714 }
|
|
|
715
|
|
146
|
716 if (ctx->params.nelts > NGX_HTTP_SSI_MAX_PARAMS) {
|
|
|
717 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
718 "too many SSI command paramters: \"%V\"",
|
|
|
719 &ctx->command);
|
|
|
720 goto ssi_error;
|
|
|
721 }
|
|
|
722
|
|
46
|
723 ngx_memzero(params,
|
|
148
|
724 (NGX_HTTP_SSI_MAX_PARAMS + 1) * sizeof(ngx_str_t *));
|
|
46
|
725
|
|
|
726 param = ctx->params.elts;
|
|
|
727
|
|
|
728 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
729
|
|
|
730 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
731
|
|
|
732 if (param[i].key.len != prm->name.len
|
|
|
733 || ngx_strncmp(param[i].key.data, prm->name.data,
|
|
|
734 prm->name.len) != 0)
|
|
|
735 {
|
|
|
736 continue;
|
|
|
737 }
|
|
|
738
|
|
146
|
739 if (!prm->multiple) {
|
|
|
740 if (params[prm->index]) {
|
|
|
741 ngx_log_error(NGX_LOG_ERR,
|
|
|
742 r->connection->log, 0,
|
|
|
743 "duplicate \"%V\" parameter "
|
|
|
744 "in \"%V\" SSI command",
|
|
|
745 ¶m[i].key, &ctx->command);
|
|
|
746
|
|
|
747 goto ssi_error;
|
|
|
748 }
|
|
|
749
|
|
|
750 params[prm->index] = ¶m[i].value;
|
|
|
751
|
|
|
752 break;
|
|
46
|
753 }
|
|
|
754
|
|
146
|
755 for (index = prm->index; params[index]; index++) {
|
|
|
756 /* void */
|
|
|
757 }
|
|
|
758
|
|
|
759 params[index] = ¶m[i].value;
|
|
46
|
760
|
|
|
761 break;
|
|
|
762 }
|
|
|
763
|
|
|
764 if (prm->name.len == 0) {
|
|
|
765 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
766 "invalid parameter name: \"%V\" "
|
|
|
767 "in \"%V\" SSI command",
|
|
|
768 ¶m[i].key, &ctx->command);
|
|
|
769
|
|
|
770 goto ssi_error;
|
|
|
771 }
|
|
|
772 }
|
|
|
773
|
|
|
774 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
775 if (prm->mandatory && params[prm->index] == 0) {
|
|
|
776 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
777 "mandatory \"%V\" parameter is absent "
|
|
|
778 "in \"%V\" SSI command",
|
|
|
779 &prm->name, &ctx->command);
|
|
|
780
|
|
|
781 goto ssi_error;
|
|
|
782 }
|
|
|
783 }
|
|
|
784
|
|
426
|
785 if (cmd->flush && ctx->out) {
|
|
|
786
|
|
|
787 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
788 "ssi flush");
|
|
|
789
|
|
|
790 if (ngx_http_ssi_output(r, ctx) == NGX_ERROR) {
|
|
58
|
791 return NGX_ERROR;
|
|
|
792 }
|
|
|
793 }
|
|
|
794
|
|
118
|
795 rc = cmd->handler(r, ctx, params);
|
|
|
796
|
|
|
797 if (rc == NGX_OK) {
|
|
46
|
798 continue;
|
|
|
799 }
|
|
132
|
800
|
|
248
|
801 if (rc == NGX_DONE || rc == NGX_AGAIN || rc == NGX_ERROR) {
|
|
512
|
802 ngx_http_ssi_buffered(r, ctx);
|
|
248
|
803 return rc;
|
|
132
|
804 }
|
|
46
|
805 }
|
|
|
806
|
|
|
807
|
|
|
808 /* rc == NGX_HTTP_SSI_ERROR */
|
|
|
809
|
|
48
|
810 ssi_error:
|
|
46
|
811
|
|
146
|
812 if (slcf->silent_errors) {
|
|
46
|
813 continue;
|
|
|
814 }
|
|
|
815
|
|
48
|
816 if (ctx->free) {
|
|
|
817 cl = ctx->free;
|
|
|
818 ctx->free = ctx->free->next;
|
|
|
819 b = cl->buf;
|
|
|
820 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
821
|
|
|
822 } else {
|
|
|
823 b = ngx_calloc_buf(r->pool);
|
|
|
824 if (b == NULL) {
|
|
|
825 return NGX_ERROR;
|
|
|
826 }
|
|
|
827
|
|
|
828 cl = ngx_alloc_chain_link(r->pool);
|
|
|
829 if (cl == NULL) {
|
|
|
830 return NGX_ERROR;
|
|
|
831 }
|
|
|
832
|
|
|
833 cl->buf = b;
|
|
46
|
834 }
|
|
|
835
|
|
|
836 b->memory = 1;
|
|
96
|
837 b->pos = ctx->errmsg.data;
|
|
|
838 b->last = ctx->errmsg.data + ctx->errmsg.len;
|
|
46
|
839
|
|
|
840 cl->next = NULL;
|
|
|
841 *ctx->last_out = cl;
|
|
|
842 ctx->last_out = &cl->next;
|
|
|
843
|
|
|
844 continue;
|
|
|
845 }
|
|
|
846
|
|
236
|
847 if (ctx->buf->last_buf || ngx_buf_in_memory(ctx->buf)) {
|
|
48
|
848 if (b == NULL) {
|
|
|
849 if (ctx->free) {
|
|
|
850 cl = ctx->free;
|
|
|
851 ctx->free = ctx->free->next;
|
|
|
852 b = cl->buf;
|
|
|
853 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
854
|
|
|
855 } else {
|
|
|
856 b = ngx_calloc_buf(r->pool);
|
|
|
857 if (b == NULL) {
|
|
|
858 return NGX_ERROR;
|
|
|
859 }
|
|
46
|
860
|
|
48
|
861 cl = ngx_alloc_chain_link(r->pool);
|
|
|
862 if (cl == NULL) {
|
|
|
863 return NGX_ERROR;
|
|
|
864 }
|
|
|
865
|
|
|
866 cl->buf = b;
|
|
|
867 }
|
|
|
868
|
|
58
|
869 b->sync = 1;
|
|
|
870
|
|
48
|
871 cl->next = NULL;
|
|
|
872 *ctx->last_out = cl;
|
|
|
873 ctx->last_out = &cl->next;
|
|
|
874 }
|
|
|
875
|
|
|
876 b->last_buf = ctx->buf->last_buf;
|
|
|
877 b->shadow = ctx->buf;
|
|
58
|
878
|
|
146
|
879 if (slcf->ignore_recycled_buffers == 0) {
|
|
58
|
880 b->recycled = ctx->buf->recycled;
|
|
|
881 }
|
|
46
|
882 }
|
|
|
883
|
|
48
|
884 ctx->buf = NULL;
|
|
|
885
|
|
46
|
886 ctx->saved = ctx->looked;
|
|
|
887 }
|
|
|
888
|
|
48
|
889 if (ctx->out == NULL && ctx->busy == NULL) {
|
|
46
|
890 return NGX_OK;
|
|
|
891 }
|
|
|
892
|
|
58
|
893 return ngx_http_ssi_output(r, ctx);
|
|
|
894 }
|
|
|
895
|
|
|
896
|
|
|
897 static ngx_int_t
|
|
|
898 ngx_http_ssi_output(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
899 {
|
|
|
900 ngx_int_t rc;
|
|
|
901 ngx_buf_t *b;
|
|
|
902 ngx_chain_t *cl;
|
|
|
903
|
|
190
|
904 #if 1
|
|
|
905 b = NULL;
|
|
|
906 for (cl = ctx->out; cl; cl = cl->next) {
|
|
192
|
907 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
908 "ssi out: %p %p", cl->buf, cl->buf->pos);
|
|
190
|
909 if (cl->buf == b) {
|
|
|
910 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
911 "the same buf was used in ssi");
|
|
|
912 ngx_debug_point();
|
|
|
913 return NGX_ERROR;
|
|
|
914 }
|
|
|
915 b = cl->buf;
|
|
|
916 }
|
|
|
917 #endif
|
|
|
918
|
|
46
|
919 rc = ngx_http_next_body_filter(r, ctx->out);
|
|
|
920
|
|
48
|
921 if (ctx->busy == NULL) {
|
|
|
922 ctx->busy = ctx->out;
|
|
|
923
|
|
|
924 } else {
|
|
|
925 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ }
|
|
|
926 cl->next = ctx->out;
|
|
|
927 }
|
|
|
928
|
|
46
|
929 ctx->out = NULL;
|
|
|
930 ctx->last_out = &ctx->out;
|
|
|
931
|
|
48
|
932 while (ctx->busy) {
|
|
|
933
|
|
206
|
934 cl = ctx->busy;
|
|
|
935 b = cl->buf;
|
|
48
|
936
|
|
|
937 if (ngx_buf_size(b) != 0) {
|
|
|
938 break;
|
|
|
939 }
|
|
|
940
|
|
|
941 if (b->shadow) {
|
|
|
942 b->shadow->pos = b->shadow->last;
|
|
|
943 }
|
|
|
944
|
|
|
945 ctx->busy = cl->next;
|
|
194
|
946
|
|
|
947 if (ngx_buf_in_memory(b) || b->in_file) {
|
|
|
948 /* add data bufs only to the free buf chain */
|
|
|
949
|
|
|
950 cl->next = ctx->free;
|
|
|
951 ctx->free = cl;
|
|
|
952 }
|
|
48
|
953 }
|
|
|
954
|
|
512
|
955 ngx_http_ssi_buffered(r, ctx);
|
|
|
956
|
|
|
957 return rc;
|
|
|
958 }
|
|
|
959
|
|
|
960
|
|
|
961 static void
|
|
|
962 ngx_http_ssi_buffered(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
963 {
|
|
254
|
964 if (ctx->in || ctx->buf) {
|
|
|
965 r->buffered |= NGX_HTTP_SSI_BUFFERED;
|
|
|
966
|
|
|
967 } else {
|
|
|
968 r->buffered &= ~NGX_HTTP_SSI_BUFFERED;
|
|
|
969 }
|
|
46
|
970 }
|
|
|
971
|
|
|
972
|
|
|
973 static ngx_int_t
|
|
|
974 ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
975 {
|
|
158
|
976 u_char *p, *value, *last, *copy_end, ch;
|
|
46
|
977 size_t looked;
|
|
|
978 ngx_http_ssi_state_e state;
|
|
|
979
|
|
|
980 state = ctx->state;
|
|
|
981 looked = ctx->looked;
|
|
|
982 last = ctx->buf->last;
|
|
|
983 copy_end = ctx->copy_end;
|
|
|
984
|
|
|
985 for (p = ctx->pos; p < last; p++) {
|
|
|
986
|
|
|
987 ch = *p;
|
|
|
988
|
|
|
989 if (state == ssi_start_state) {
|
|
|
990
|
|
|
991 /* the tight loop */
|
|
|
992
|
|
48
|
993 for ( ;; ) {
|
|
|
994 if (ch == '<') {
|
|
|
995 copy_end = p;
|
|
|
996 looked = 1;
|
|
|
997 state = ssi_tag_state;
|
|
|
998
|
|
|
999 goto tag_started;
|
|
46
|
1000 }
|
|
|
1001
|
|
48
|
1002 if (++p == last) {
|
|
|
1003 break;
|
|
|
1004 }
|
|
46
|
1005
|
|
48
|
1006 ch = *p;
|
|
46
|
1007 }
|
|
|
1008
|
|
314
|
1009 ctx->state = state;
|
|
46
|
1010 ctx->pos = p;
|
|
|
1011 ctx->looked = looked;
|
|
|
1012 ctx->copy_end = p;
|
|
|
1013
|
|
|
1014 if (ctx->copy_start == NULL) {
|
|
|
1015 ctx->copy_start = ctx->buf->pos;
|
|
|
1016 }
|
|
|
1017
|
|
|
1018 return NGX_AGAIN;
|
|
|
1019
|
|
48
|
1020 tag_started:
|
|
|
1021
|
|
46
|
1022 continue;
|
|
|
1023 }
|
|
|
1024
|
|
|
1025 switch (state) {
|
|
|
1026
|
|
|
1027 case ssi_start_state:
|
|
|
1028 break;
|
|
|
1029
|
|
|
1030 case ssi_tag_state:
|
|
|
1031 switch (ch) {
|
|
|
1032 case '!':
|
|
|
1033 looked = 2;
|
|
|
1034 state = ssi_comment0_state;
|
|
|
1035 break;
|
|
|
1036
|
|
|
1037 case '<':
|
|
|
1038 copy_end = p;
|
|
|
1039 break;
|
|
|
1040
|
|
|
1041 default:
|
|
|
1042 copy_end = p;
|
|
|
1043 looked = 0;
|
|
|
1044 state = ssi_start_state;
|
|
|
1045 break;
|
|
|
1046 }
|
|
|
1047
|
|
|
1048 break;
|
|
|
1049
|
|
|
1050 case ssi_comment0_state:
|
|
|
1051 switch (ch) {
|
|
|
1052 case '-':
|
|
|
1053 looked = 3;
|
|
|
1054 state = ssi_comment1_state;
|
|
|
1055 break;
|
|
|
1056
|
|
|
1057 case '<':
|
|
|
1058 copy_end = p;
|
|
|
1059 looked = 1;
|
|
|
1060 state = ssi_tag_state;
|
|
|
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_comment1_state:
|
|
|
1073 switch (ch) {
|
|
|
1074 case '-':
|
|
|
1075 looked = 4;
|
|
|
1076 state = ssi_sharp_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_sharp_state:
|
|
|
1095 switch (ch) {
|
|
|
1096 case '#':
|
|
208
|
1097 if (p - ctx->pos < 4) {
|
|
|
1098 ctx->saved = 0;
|
|
|
1099 }
|
|
46
|
1100 looked = 0;
|
|
|
1101 state = ssi_precommand_state;
|
|
|
1102 break;
|
|
|
1103
|
|
|
1104 case '<':
|
|
|
1105 copy_end = p;
|
|
|
1106 looked = 1;
|
|
|
1107 state = ssi_tag_state;
|
|
|
1108 break;
|
|
|
1109
|
|
|
1110 default:
|
|
|
1111 copy_end = p;
|
|
|
1112 looked = 0;
|
|
|
1113 state = ssi_start_state;
|
|
|
1114 break;
|
|
|
1115 }
|
|
|
1116
|
|
|
1117 break;
|
|
|
1118
|
|
|
1119 case ssi_precommand_state:
|
|
|
1120 switch (ch) {
|
|
|
1121 case ' ':
|
|
|
1122 case CR:
|
|
|
1123 case LF:
|
|
|
1124 case '\t':
|
|
|
1125 break;
|
|
|
1126
|
|
|
1127 default:
|
|
|
1128 ctx->command.len = 1;
|
|
382
|
1129 ctx->command.data = ngx_pnalloc(r->pool,
|
|
|
1130 NGX_HTTP_SSI_COMMAND_LEN);
|
|
46
|
1131 if (ctx->command.data == NULL) {
|
|
|
1132 return NGX_ERROR;
|
|
|
1133 }
|
|
|
1134
|
|
|
1135 ctx->command.data[0] = ch;
|
|
158
|
1136
|
|
146
|
1137 ctx->key = 0;
|
|
|
1138 ctx->key = ngx_hash(ctx->key, ch);
|
|
|
1139
|
|
46
|
1140 ctx->params.nelts = 0;
|
|
178
|
1141
|
|
46
|
1142 state = ssi_command_state;
|
|
|
1143 break;
|
|
|
1144 }
|
|
|
1145
|
|
|
1146 break;
|
|
|
1147
|
|
|
1148 case ssi_command_state:
|
|
|
1149 switch (ch) {
|
|
|
1150 case ' ':
|
|
|
1151 case CR:
|
|
|
1152 case LF:
|
|
|
1153 case '\t':
|
|
|
1154 state = ssi_preparam_state;
|
|
|
1155 break;
|
|
|
1156
|
|
|
1157 case '-':
|
|
|
1158 state = ssi_comment_end0_state;
|
|
|
1159 break;
|
|
|
1160
|
|
|
1161 default:
|
|
|
1162 if (ctx->command.len == NGX_HTTP_SSI_COMMAND_LEN) {
|
|
|
1163 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1164 "the \"%V%c...\" SSI command is too long",
|
|
|
1165 &ctx->command, ch);
|
|
46
|
1166
|
|
|
1167 state = ssi_error_state;
|
|
|
1168 break;
|
|
|
1169 }
|
|
158
|
1170
|
|
|
1171 ctx->command.data[ctx->command.len++] = ch;
|
|
|
1172 ctx->key = ngx_hash(ctx->key, ch);
|
|
46
|
1173 }
|
|
|
1174
|
|
|
1175 break;
|
|
|
1176
|
|
|
1177 case ssi_preparam_state:
|
|
|
1178 switch (ch) {
|
|
|
1179 case ' ':
|
|
|
1180 case CR:
|
|
|
1181 case LF:
|
|
|
1182 case '\t':
|
|
|
1183 break;
|
|
|
1184
|
|
|
1185 case '-':
|
|
|
1186 state = ssi_comment_end0_state;
|
|
|
1187 break;
|
|
|
1188
|
|
|
1189 default:
|
|
48
|
1190 ctx->param = ngx_array_push(&ctx->params);
|
|
|
1191 if (ctx->param == NULL) {
|
|
46
|
1192 return NGX_ERROR;
|
|
|
1193 }
|
|
|
1194
|
|
|
1195 ctx->param->key.len = 1;
|
|
382
|
1196 ctx->param->key.data = ngx_pnalloc(r->pool,
|
|
|
1197 NGX_HTTP_SSI_PARAM_LEN);
|
|
46
|
1198 if (ctx->param->key.data == NULL) {
|
|
|
1199 return NGX_ERROR;
|
|
|
1200 }
|
|
|
1201
|
|
|
1202 ctx->param->key.data[0] = ch;
|
|
|
1203
|
|
|
1204 ctx->param->value.len = 0;
|
|
158
|
1205
|
|
|
1206 if (ctx->value_buf == NULL) {
|
|
382
|
1207 ctx->param->value.data = ngx_pnalloc(r->pool,
|
|
|
1208 ctx->value_len);
|
|
158
|
1209 if (ctx->param->value.data == NULL) {
|
|
|
1210 return NGX_ERROR;
|
|
|
1211 }
|
|
|
1212
|
|
|
1213 } else {
|
|
|
1214 ctx->param->value.data = ctx->value_buf;
|
|
46
|
1215 }
|
|
|
1216
|
|
|
1217 state = ssi_param_state;
|
|
|
1218 break;
|
|
|
1219 }
|
|
|
1220
|
|
|
1221 break;
|
|
|
1222
|
|
|
1223 case ssi_param_state:
|
|
|
1224 switch (ch) {
|
|
|
1225 case ' ':
|
|
|
1226 case CR:
|
|
|
1227 case LF:
|
|
|
1228 case '\t':
|
|
|
1229 state = ssi_preequal_state;
|
|
|
1230 break;
|
|
|
1231
|
|
|
1232 case '=':
|
|
|
1233 state = ssi_prevalue_state;
|
|
|
1234 break;
|
|
|
1235
|
|
|
1236 case '-':
|
|
|
1237 state = ssi_error_end0_state;
|
|
|
1238
|
|
|
1239 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
|
1240 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1241 "invalid \"%V\" parameter in \"%V\" SSI command",
|
|
|
1242 &ctx->param->key, &ctx->command);
|
|
|
1243 break;
|
|
|
1244
|
|
|
1245 default:
|
|
|
1246 if (ctx->param->key.len == NGX_HTTP_SSI_PARAM_LEN) {
|
|
|
1247 state = ssi_error_state;
|
|
|
1248 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1249 "too long \"%V%c...\" parameter in "
|
|
46
|
1250 "\"%V\" SSI command",
|
|
158
|
1251 &ctx->param->key, ch, &ctx->command);
|
|
46
|
1252 break;
|
|
|
1253 }
|
|
158
|
1254
|
|
|
1255 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
46
|
1256 }
|
|
|
1257
|
|
|
1258 break;
|
|
|
1259
|
|
|
1260 case ssi_preequal_state:
|
|
|
1261 switch (ch) {
|
|
|
1262 case ' ':
|
|
|
1263 case CR:
|
|
|
1264 case LF:
|
|
|
1265 case '\t':
|
|
|
1266 break;
|
|
|
1267
|
|
|
1268 case '=':
|
|
|
1269 state = ssi_prevalue_state;
|
|
|
1270 break;
|
|
|
1271
|
|
|
1272 default:
|
|
|
1273 if (ch == '-') {
|
|
|
1274 state = ssi_error_end0_state;
|
|
|
1275 } else {
|
|
|
1276 state = ssi_error_state;
|
|
|
1277 }
|
|
|
1278
|
|
|
1279 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1280 "unexpected \"%c\" symbol after \"%V\" "
|
|
|
1281 "parameter in \"%V\" SSI command",
|
|
|
1282 ch, &ctx->param->key, &ctx->command);
|
|
|
1283 break;
|
|
|
1284 }
|
|
|
1285
|
|
|
1286 break;
|
|
|
1287
|
|
|
1288 case ssi_prevalue_state:
|
|
|
1289 switch (ch) {
|
|
|
1290 case ' ':
|
|
|
1291 case CR:
|
|
|
1292 case LF:
|
|
|
1293 case '\t':
|
|
|
1294 break;
|
|
|
1295
|
|
|
1296 case '"':
|
|
|
1297 state = ssi_double_quoted_value_state;
|
|
|
1298 break;
|
|
|
1299
|
|
|
1300 case '\'':
|
|
|
1301 state = ssi_quoted_value_state;
|
|
|
1302 break;
|
|
|
1303
|
|
|
1304 default:
|
|
|
1305 if (ch == '-') {
|
|
|
1306 state = ssi_error_end0_state;
|
|
|
1307 } else {
|
|
|
1308 state = ssi_error_state;
|
|
|
1309 }
|
|
|
1310
|
|
|
1311 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1312 "unexpected \"%c\" symbol before value of "
|
|
|
1313 "\"%V\" parameter in \"%V\" SSI command",
|
|
|
1314 ch, &ctx->param->key, &ctx->command);
|
|
|
1315 break;
|
|
|
1316 }
|
|
|
1317
|
|
|
1318 break;
|
|
|
1319
|
|
|
1320 case ssi_double_quoted_value_state:
|
|
|
1321 switch (ch) {
|
|
108
|
1322 case '"':
|
|
|
1323 state = ssi_postparam_state;
|
|
|
1324 break;
|
|
|
1325
|
|
46
|
1326 case '\\':
|
|
|
1327 ctx->saved_state = ssi_double_quoted_value_state;
|
|
|
1328 state = ssi_quoted_symbol_state;
|
|
108
|
1329
|
|
|
1330 /* fall through */
|
|
46
|
1331
|
|
|
1332 default:
|
|
|
1333 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1334 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1335 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1336 "parameter in \"%V\" SSI command",
|
|
|
1337 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1338 &ctx->command);
|
|
|
1339 state = ssi_error_state;
|
|
|
1340 break;
|
|
|
1341 }
|
|
158
|
1342
|
|
|
1343 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1344 }
|
|
|
1345
|
|
|
1346 break;
|
|
|
1347
|
|
|
1348 case ssi_quoted_value_state:
|
|
|
1349 switch (ch) {
|
|
108
|
1350 case '\'':
|
|
|
1351 state = ssi_postparam_state;
|
|
|
1352 break;
|
|
|
1353
|
|
46
|
1354 case '\\':
|
|
|
1355 ctx->saved_state = ssi_quoted_value_state;
|
|
|
1356 state = ssi_quoted_symbol_state;
|
|
108
|
1357
|
|
|
1358 /* fall through */
|
|
46
|
1359
|
|
|
1360 default:
|
|
|
1361 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1362 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1363 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1364 "parameter in \"%V\" SSI command",
|
|
|
1365 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1366 &ctx->command);
|
|
|
1367 state = ssi_error_state;
|
|
|
1368 break;
|
|
|
1369 }
|
|
158
|
1370
|
|
|
1371 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1372 }
|
|
|
1373
|
|
|
1374 break;
|
|
|
1375
|
|
|
1376 case ssi_quoted_symbol_state:
|
|
108
|
1377 state = ctx->saved_state;
|
|
|
1378
|
|
46
|
1379 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
|
1380
|
|
|
1381 break;
|
|
|
1382
|
|
|
1383 case ssi_postparam_state:
|
|
158
|
1384
|
|
200
|
1385 if (ctx->param->value.len + 1 < ctx->value_len / 2) {
|
|
382
|
1386 value = ngx_pnalloc(r->pool, ctx->param->value.len + 1);
|
|
158
|
1387 if (value == NULL) {
|
|
|
1388 return NGX_ERROR;
|
|
|
1389 }
|
|
|
1390
|
|
|
1391 ngx_memcpy(value, ctx->param->value.data,
|
|
|
1392 ctx->param->value.len);
|
|
|
1393
|
|
|
1394 ctx->value_buf = ctx->param->value.data;
|
|
|
1395 ctx->param->value.data = value;
|
|
|
1396
|
|
|
1397 } else {
|
|
|
1398 ctx->value_buf = NULL;
|
|
|
1399 }
|
|
|
1400
|
|
46
|
1401 switch (ch) {
|
|
|
1402 case ' ':
|
|
|
1403 case CR:
|
|
|
1404 case LF:
|
|
|
1405 case '\t':
|
|
|
1406 state = ssi_preparam_state;
|
|
|
1407 break;
|
|
|
1408
|
|
|
1409 case '-':
|
|
|
1410 state = ssi_comment_end0_state;
|
|
|
1411 break;
|
|
|
1412
|
|
|
1413 default:
|
|
|
1414 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1415 "unexpected \"%c\" symbol after \"%V\" value "
|
|
|
1416 "of \"%V\" parameter in \"%V\" SSI command",
|
|
|
1417 ch, &ctx->param->value, &ctx->param->key,
|
|
|
1418 &ctx->command);
|
|
|
1419 state = ssi_error_state;
|
|
|
1420 break;
|
|
|
1421 }
|
|
|
1422
|
|
|
1423 break;
|
|
|
1424
|
|
|
1425 case ssi_comment_end0_state:
|
|
|
1426 switch (ch) {
|
|
|
1427 case '-':
|
|
|
1428 state = ssi_comment_end1_state;
|
|
|
1429 break;
|
|
|
1430
|
|
|
1431 default:
|
|
|
1432 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1433 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1434 ch, &ctx->command);
|
|
|
1435 state = ssi_error_state;
|
|
|
1436 break;
|
|
|
1437 }
|
|
|
1438
|
|
|
1439 break;
|
|
|
1440
|
|
|
1441 case ssi_comment_end1_state:
|
|
|
1442 switch (ch) {
|
|
|
1443 case '>':
|
|
|
1444 ctx->state = ssi_start_state;
|
|
|
1445 ctx->pos = p + 1;
|
|
|
1446 ctx->looked = looked;
|
|
|
1447 ctx->copy_end = copy_end;
|
|
|
1448
|
|
|
1449 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1450 ctx->copy_start = ctx->buf->pos;
|
|
|
1451 }
|
|
|
1452
|
|
|
1453 return NGX_OK;
|
|
|
1454
|
|
|
1455 default:
|
|
|
1456 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1457 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1458 ch, &ctx->command);
|
|
|
1459 state = ssi_error_state;
|
|
|
1460 break;
|
|
|
1461 }
|
|
|
1462
|
|
|
1463 break;
|
|
|
1464
|
|
|
1465 case ssi_error_state:
|
|
|
1466 switch (ch) {
|
|
|
1467 case '-':
|
|
|
1468 state = ssi_error_end0_state;
|
|
|
1469 break;
|
|
|
1470
|
|
|
1471 default:
|
|
|
1472 break;
|
|
|
1473 }
|
|
|
1474
|
|
|
1475 break;
|
|
|
1476
|
|
|
1477 case ssi_error_end0_state:
|
|
|
1478 switch (ch) {
|
|
|
1479 case '-':
|
|
|
1480 state = ssi_error_end1_state;
|
|
|
1481 break;
|
|
|
1482
|
|
|
1483 default:
|
|
|
1484 state = ssi_error_state;
|
|
|
1485 break;
|
|
|
1486 }
|
|
|
1487
|
|
|
1488 break;
|
|
|
1489
|
|
|
1490 case ssi_error_end1_state:
|
|
|
1491 switch (ch) {
|
|
|
1492 case '>':
|
|
|
1493 ctx->state = ssi_start_state;
|
|
|
1494 ctx->pos = p + 1;
|
|
|
1495 ctx->looked = looked;
|
|
|
1496 ctx->copy_end = copy_end;
|
|
|
1497
|
|
|
1498 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1499 ctx->copy_start = ctx->buf->pos;
|
|
|
1500 }
|
|
|
1501
|
|
|
1502 return NGX_HTTP_SSI_ERROR;
|
|
|
1503
|
|
|
1504 default:
|
|
|
1505 state = ssi_error_state;
|
|
|
1506 break;
|
|
|
1507 }
|
|
|
1508
|
|
|
1509 break;
|
|
|
1510 }
|
|
|
1511 }
|
|
|
1512
|
|
|
1513 ctx->state = state;
|
|
|
1514 ctx->pos = p;
|
|
|
1515 ctx->looked = looked;
|
|
|
1516
|
|
|
1517 ctx->copy_end = (state == ssi_start_state) ? p : copy_end;
|
|
|
1518
|
|
|
1519 if (ctx->copy_start == NULL && ctx->copy_end) {
|
|
|
1520 ctx->copy_start = ctx->buf->pos;
|
|
|
1521 }
|
|
|
1522
|
|
|
1523 return NGX_AGAIN;
|
|
|
1524 }
|
|
|
1525
|
|
|
1526
|
|
102
|
1527 static ngx_str_t *
|
|
160
|
1528 ngx_http_ssi_get_variable(ngx_http_request_t *r, ngx_str_t *name,
|
|
|
1529 ngx_uint_t key)
|
|
102
|
1530 {
|
|
|
1531 ngx_uint_t i;
|
|
248
|
1532 ngx_list_part_t *part;
|
|
102
|
1533 ngx_http_ssi_var_t *var;
|
|
|
1534 ngx_http_ssi_ctx_t *ctx;
|
|
|
1535
|
|
|
1536 ctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
1537
|
|
216
|
1538 if (ctx->variables == NULL) {
|
|
|
1539 return NULL;
|
|
|
1540 }
|
|
|
1541
|
|
248
|
1542 part = &ctx->variables->part;
|
|
|
1543 var = part->elts;
|
|
|
1544
|
|
|
1545 for (i = 0; /* void */ ; i++) {
|
|
|
1546
|
|
|
1547 if (i >= part->nelts) {
|
|
|
1548 if (part->next == NULL) {
|
|
|
1549 break;
|
|
|
1550 }
|
|
250
|
1551
|
|
248
|
1552 part = part->next;
|
|
|
1553 var = part->elts;
|
|
|
1554 i = 0;
|
|
|
1555 }
|
|
|
1556
|
|
102
|
1557 if (name->len != var[i].name.len) {
|
|
|
1558 continue;
|
|
|
1559 }
|
|
|
1560
|
|
160
|
1561 if (key != var[i].key) {
|
|
|
1562 continue;
|
|
|
1563 }
|
|
|
1564
|
|
|
1565 if (ngx_strncmp(name->data, var[i].name.data, name->len) == 0) {
|
|
102
|
1566 return &var[i].value;
|
|
|
1567 }
|
|
|
1568 }
|
|
|
1569
|
|
|
1570 return NULL;
|
|
|
1571 }
|
|
|
1572
|
|
|
1573
|
|
|
1574 static ngx_int_t
|
|
|
1575 ngx_http_ssi_evaluate_string(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1576 ngx_str_t *text, ngx_uint_t flags)
|
|
|
1577 {
|
|
122
|
1578 u_char ch, *p, **value, *data, *part_data;
|
|
|
1579 size_t *size, len, prefix, part_len;
|
|
|
1580 ngx_str_t var, *val;
|
|
160
|
1581 ngx_int_t key;
|
|
392
|
1582 ngx_uint_t i, n, bracket, quoted;
|
|
102
|
1583 ngx_array_t lengths, values;
|
|
|
1584 ngx_http_variable_value_t *vv;
|
|
|
1585
|
|
|
1586 n = ngx_http_script_variables_count(text);
|
|
|
1587
|
|
|
1588 if (n == 0) {
|
|
|
1589
|
|
206
|
1590 data = text->data;
|
|
|
1591 p = data;
|
|
|
1592
|
|
|
1593 if ((flags & NGX_HTTP_SSI_ADD_PREFIX) && text->data[0] != '/') {
|
|
|
1594
|
|
102
|
1595 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1596 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1597 break;
|
|
|
1598 }
|
|
|
1599 }
|
|
|
1600
|
|
|
1601 if (prefix) {
|
|
|
1602 len = prefix + text->len;
|
|
|
1603
|
|
382
|
1604 data = ngx_pnalloc(r->pool, len);
|
|
102
|
1605 if (data == NULL) {
|
|
|
1606 return NGX_ERROR;
|
|
|
1607 }
|
|
|
1608
|
|
122
|
1609 p = ngx_copy(data, r->uri.data, prefix);
|
|
102
|
1610 }
|
|
|
1611 }
|
|
|
1612
|
|
206
|
1613 quoted = 0;
|
|
|
1614
|
|
378
|
1615 for (i = 0; i < text->len; i++) {
|
|
206
|
1616 ch = text->data[i];
|
|
|
1617
|
|
|
1618 if (!quoted) {
|
|
|
1619
|
|
|
1620 if (ch == '\\') {
|
|
|
1621 quoted = 1;
|
|
|
1622 continue;
|
|
|
1623 }
|
|
|
1624
|
|
|
1625 } else {
|
|
|
1626 quoted = 0;
|
|
|
1627
|
|
|
1628 if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') {
|
|
|
1629 *p++ = '\\';
|
|
|
1630 }
|
|
|
1631 }
|
|
|
1632
|
|
|
1633 *p++ = ch;
|
|
|
1634 }
|
|
|
1635
|
|
|
1636 text->len = p - data;
|
|
|
1637 text->data = data;
|
|
|
1638
|
|
102
|
1639 return NGX_OK;
|
|
|
1640 }
|
|
|
1641
|
|
|
1642 if (ngx_array_init(&lengths, r->pool, 8, sizeof(size_t *)) != NGX_OK) {
|
|
|
1643 return NGX_ERROR;
|
|
|
1644 }
|
|
|
1645
|
|
|
1646 if (ngx_array_init(&values, r->pool, 8, sizeof(u_char *)) != NGX_OK) {
|
|
|
1647 return NGX_ERROR;
|
|
|
1648 }
|
|
|
1649
|
|
|
1650 len = 0;
|
|
|
1651 i = 0;
|
|
|
1652
|
|
|
1653 while (i < text->len) {
|
|
|
1654
|
|
|
1655 if (text->data[i] == '$') {
|
|
|
1656
|
|
|
1657 var.len = 0;
|
|
|
1658
|
|
|
1659 if (++i == text->len) {
|
|
|
1660 goto invalid_variable;
|
|
|
1661 }
|
|
|
1662
|
|
|
1663 if (text->data[i] == '{') {
|
|
|
1664 bracket = 1;
|
|
|
1665
|
|
|
1666 if (++i == text->len) {
|
|
|
1667 goto invalid_variable;
|
|
|
1668 }
|
|
|
1669
|
|
|
1670 var.data = &text->data[i];
|
|
|
1671
|
|
|
1672 } else {
|
|
|
1673 bracket = 0;
|
|
|
1674 var.data = &text->data[i];
|
|
|
1675 }
|
|
|
1676
|
|
|
1677 for ( /* void */ ; i < text->len; i++, var.len++) {
|
|
|
1678 ch = text->data[i];
|
|
|
1679
|
|
|
1680 if (ch == '}' && bracket) {
|
|
|
1681 i++;
|
|
|
1682 bracket = 0;
|
|
|
1683 break;
|
|
|
1684 }
|
|
|
1685
|
|
|
1686 if ((ch >= 'A' && ch <= 'Z')
|
|
|
1687 || (ch >= 'a' && ch <= 'z')
|
|
|
1688 || (ch >= '0' && ch <= '9')
|
|
|
1689 || ch == '_')
|
|
|
1690 {
|
|
|
1691 continue;
|
|
|
1692 }
|
|
|
1693
|
|
|
1694 break;
|
|
|
1695 }
|
|
|
1696
|
|
|
1697 if (bracket) {
|
|
|
1698 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1699 "the closing bracket in \"%V\" "
|
|
|
1700 "variable is missing", &var);
|
|
248
|
1701 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1702 }
|
|
|
1703
|
|
126
|
1704 if (var.len == 0) {
|
|
102
|
1705 goto invalid_variable;
|
|
|
1706 }
|
|
|
1707
|
|
392
|
1708 key = ngx_hash_strlow(var.data, var.data, var.len);
|
|
102
|
1709
|
|
160
|
1710 val = ngx_http_ssi_get_variable(r, &var, key);
|
|
102
|
1711
|
|
|
1712 if (val == NULL) {
|
|
508
|
1713 vv = ngx_http_get_variable(r, &var, key);
|
|
102
|
1714 if (vv == NULL) {
|
|
|
1715 return NGX_ERROR;
|
|
|
1716 }
|
|
|
1717
|
|
122
|
1718 if (vv->not_found) {
|
|
102
|
1719 continue;
|
|
|
1720 }
|
|
|
1721
|
|
122
|
1722 part_data = vv->data;
|
|
|
1723 part_len = vv->len;
|
|
102
|
1724
|
|
|
1725 } else {
|
|
122
|
1726 part_data = val->data;
|
|
|
1727 part_len = val->len;
|
|
102
|
1728 }
|
|
|
1729
|
|
|
1730 } else {
|
|
122
|
1731 part_data = &text->data[i];
|
|
200
|
1732 quoted = 0;
|
|
122
|
1733
|
|
|
1734 for (p = part_data; i < text->len; i++) {
|
|
108
|
1735 ch = text->data[i];
|
|
|
1736
|
|
200
|
1737 if (!quoted) {
|
|
|
1738
|
|
|
1739 if (ch == '\\') {
|
|
|
1740 quoted = 1;
|
|
|
1741 continue;
|
|
|
1742 }
|
|
|
1743
|
|
|
1744 if (ch == '$') {
|
|
108
|
1745 break;
|
|
|
1746 }
|
|
|
1747
|
|
200
|
1748 } else {
|
|
|
1749 quoted = 0;
|
|
|
1750
|
|
|
1751 if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') {
|
|
|
1752 *p++ = '\\';
|
|
|
1753 }
|
|
108
|
1754 }
|
|
|
1755
|
|
|
1756 *p++ = ch;
|
|
102
|
1757 }
|
|
108
|
1758
|
|
122
|
1759 part_len = p - part_data;
|
|
102
|
1760 }
|
|
|
1761
|
|
122
|
1762 len += part_len;
|
|
102
|
1763
|
|
|
1764 size = ngx_array_push(&lengths);
|
|
|
1765 if (size == NULL) {
|
|
|
1766 return NGX_ERROR;
|
|
|
1767 }
|
|
|
1768
|
|
122
|
1769 *size = part_len;
|
|
102
|
1770
|
|
|
1771 value = ngx_array_push(&values);
|
|
|
1772 if (value == NULL) {
|
|
|
1773 return NGX_ERROR;
|
|
|
1774 }
|
|
|
1775
|
|
122
|
1776 *value = part_data;
|
|
102
|
1777 }
|
|
|
1778
|
|
|
1779 prefix = 0;
|
|
|
1780
|
|
|
1781 size = lengths.elts;
|
|
|
1782 value = values.elts;
|
|
|
1783
|
|
|
1784 if (flags & NGX_HTTP_SSI_ADD_PREFIX) {
|
|
|
1785 for (i = 0; i < values.nelts; i++) {
|
|
|
1786 if (size[i] != 0) {
|
|
|
1787 if (*value[i] != '/') {
|
|
|
1788 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1789 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1790 len += prefix;
|
|
|
1791 break;
|
|
|
1792 }
|
|
|
1793 }
|
|
|
1794 }
|
|
|
1795
|
|
|
1796 break;
|
|
|
1797 }
|
|
|
1798 }
|
|
|
1799 }
|
|
|
1800
|
|
382
|
1801 p = ngx_pnalloc(r->pool, len + ((flags & NGX_HTTP_SSI_ADD_ZERO) ? 1 : 0));
|
|
102
|
1802 if (p == NULL) {
|
|
|
1803 return NGX_ERROR;
|
|
|
1804 }
|
|
|
1805
|
|
|
1806 text->len = len;
|
|
|
1807 text->data = p;
|
|
|
1808
|
|
122
|
1809 p = ngx_copy(p, r->uri.data, prefix);
|
|
102
|
1810
|
|
|
1811 for (i = 0; i < values.nelts; i++) {
|
|
122
|
1812 p = ngx_copy(p, value[i], size[i]);
|
|
102
|
1813 }
|
|
|
1814
|
|
|
1815 return NGX_OK;
|
|
|
1816
|
|
|
1817 invalid_variable:
|
|
|
1818
|
|
|
1819 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1820 "invalid variable name in \"%V\"", text);
|
|
|
1821
|
|
248
|
1822 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1823 }
|
|
|
1824
|
|
|
1825
|
|
|
1826 static ngx_int_t
|
|
|
1827 ngx_http_ssi_include(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1828 ngx_str_t **params)
|
|
|
1829 {
|
|
342
|
1830 u_char *dst, *src;
|
|
|
1831 size_t len;
|
|
248
|
1832 ngx_int_t rc, key;
|
|
|
1833 ngx_str_t *uri, *file, *wait, *set, *stub, args;
|
|
|
1834 ngx_buf_t *b;
|
|
|
1835 ngx_uint_t flags, i;
|
|
250
|
1836 ngx_chain_t *cl, *tl, **ll, *out;
|
|
248
|
1837 ngx_http_request_t *sr;
|
|
|
1838 ngx_http_ssi_var_t *var;
|
|
|
1839 ngx_http_ssi_ctx_t *mctx;
|
|
|
1840 ngx_http_ssi_block_t *bl;
|
|
|
1841 ngx_http_post_subrequest_t *psr;
|
|
102
|
1842
|
|
|
1843 uri = params[NGX_HTTP_SSI_INCLUDE_VIRTUAL];
|
|
|
1844 file = params[NGX_HTTP_SSI_INCLUDE_FILE];
|
|
194
|
1845 wait = params[NGX_HTTP_SSI_INCLUDE_WAIT];
|
|
248
|
1846 set = params[NGX_HTTP_SSI_INCLUDE_SET];
|
|
216
|
1847 stub = params[NGX_HTTP_SSI_INCLUDE_STUB];
|
|
102
|
1848
|
|
|
1849 if (uri && file) {
|
|
|
1850 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1851 "inlcusion may be either virtual=\"%V\" or file=\"%V\"",
|
|
|
1852 uri, file);
|
|
|
1853 return NGX_HTTP_SSI_ERROR;
|
|
|
1854 }
|
|
|
1855
|
|
|
1856 if (uri == NULL && file == NULL) {
|
|
|
1857 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1858 "no parameter in \"include\" SSI command");
|
|
|
1859 return NGX_HTTP_SSI_ERROR;
|
|
|
1860 }
|
|
|
1861
|
|
248
|
1862 if (set && stub) {
|
|
|
1863 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1864 "\"set\" and \"stub\" may not be used together "
|
|
|
1865 "in \"include\" SSI command");
|
|
|
1866 return NGX_HTTP_SSI_ERROR;
|
|
|
1867 }
|
|
|
1868
|
|
194
|
1869 if (wait) {
|
|
|
1870 if (uri == NULL) {
|
|
|
1871 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
216
|
1872 "\"wait\" may not be used with file=\"%V\"", file);
|
|
194
|
1873 return NGX_HTTP_SSI_ERROR;
|
|
|
1874 }
|
|
|
1875
|
|
286
|
1876 if (wait->len == 2
|
|
|
1877 && ngx_strncasecmp(wait->data, (u_char *) "no", 2) == 0)
|
|
|
1878 {
|
|
194
|
1879 wait = NULL;
|
|
|
1880
|
|
286
|
1881 } else if (wait->len != 3
|
|
|
1882 || ngx_strncasecmp(wait->data, (u_char *) "yes", 3) != 0)
|
|
194
|
1883 {
|
|
|
1884 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1885 "invalid value \"%V\" in the \"wait\" parameter",
|
|
216
|
1886 wait);
|
|
194
|
1887 return NGX_HTTP_SSI_ERROR;
|
|
|
1888 }
|
|
|
1889 }
|
|
|
1890
|
|
102
|
1891 if (uri == NULL) {
|
|
|
1892 uri = file;
|
|
434
|
1893 wait = (ngx_str_t *) -1;
|
|
102
|
1894 }
|
|
|
1895
|
|
248
|
1896 rc = ngx_http_ssi_evaluate_string(r, ctx, uri, NGX_HTTP_SSI_ADD_PREFIX);
|
|
|
1897
|
|
|
1898 if (rc != NGX_OK) {
|
|
|
1899 return rc;
|
|
102
|
1900 }
|
|
|
1901
|
|
342
|
1902 dst = uri->data;
|
|
|
1903 src = uri->data;
|
|
|
1904
|
|
|
1905 ngx_unescape_uri(&dst, &src, uri->len, NGX_UNESCAPE_URI);
|
|
|
1906
|
|
|
1907 len = (uri->data + uri->len) - src;
|
|
|
1908 if (len) {
|
|
|
1909 dst = ngx_copy(dst, src, len);
|
|
|
1910 }
|
|
|
1911
|
|
|
1912 uri->len = dst - uri->data;
|
|
|
1913
|
|
|
1914 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1915 "ssi include: \"%V\"", uri);
|
|
|
1916
|
|
102
|
1917 args.len = 0;
|
|
|
1918 args.data = NULL;
|
|
502
|
1919 flags = NGX_HTTP_LOG_UNSAFE;
|
|
122
|
1920
|
|
|
1921 if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) {
|
|
|
1922 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1923 }
|
|
|
1924
|
|
248
|
1925 psr = NULL;
|
|
|
1926
|
|
|
1927 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
216
|
1928
|
|
|
1929 if (stub) {
|
|
|
1930 if (mctx->blocks) {
|
|
|
1931 bl = mctx->blocks->elts;
|
|
|
1932 for (i = 0; i < mctx->blocks->nelts; i++) {
|
|
|
1933 if (stub->len == bl[i].name.len
|
|
|
1934 && ngx_strncmp(stub->data, bl[i].name.data, stub->len) == 0)
|
|
|
1935 {
|
|
|
1936 goto found;
|
|
|
1937 }
|
|
|
1938 }
|
|
|
1939 }
|
|
|
1940
|
|
|
1941 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1942 "\"stub\"=\"%V\" for \"include\" not found", stub);
|
|
|
1943 return NGX_HTTP_SSI_ERROR;
|
|
|
1944
|
|
|
1945 found:
|
|
|
1946
|
|
248
|
1947 psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t));
|
|
|
1948 if (psr == NULL) {
|
|
|
1949 return NGX_ERROR;
|
|
|
1950 }
|
|
|
1951
|
|
|
1952 psr->handler = ngx_http_ssi_stub_output;
|
|
|
1953
|
|
216
|
1954 if (bl[i].count++) {
|
|
|
1955
|
|
366
|
1956 out = NULL;
|
|
250
|
1957 ll = &out;
|
|
216
|
1958
|
|
|
1959 for (tl = bl[i].bufs; tl; tl = tl->next) {
|
|
|
1960
|
|
|
1961 if (ctx->free) {
|
|
|
1962 cl = ctx->free;
|
|
|
1963 ctx->free = ctx->free->next;
|
|
|
1964 b = cl->buf;
|
|
|
1965
|
|
|
1966 } else {
|
|
|
1967 b = ngx_alloc_buf(r->pool);
|
|
|
1968 if (b == NULL) {
|
|
|
1969 return NGX_ERROR;
|
|
|
1970 }
|
|
|
1971
|
|
|
1972 cl = ngx_alloc_chain_link(r->pool);
|
|
|
1973 if (cl == NULL) {
|
|
|
1974 return NGX_ERROR;
|
|
|
1975 }
|
|
|
1976
|
|
|
1977 cl->buf = b;
|
|
|
1978 }
|
|
|
1979
|
|
|
1980 ngx_memcpy(b, tl->buf, sizeof(ngx_buf_t));
|
|
|
1981
|
|
|
1982 b->pos = b->start;
|
|
|
1983
|
|
|
1984 *ll = cl;
|
|
|
1985 cl->next = NULL;
|
|
|
1986 ll = &cl->next;
|
|
|
1987 }
|
|
|
1988
|
|
250
|
1989 psr->data = out;
|
|
|
1990
|
|
216
|
1991 } else {
|
|
248
|
1992 psr->data = bl[i].bufs;
|
|
216
|
1993 }
|
|
|
1994 }
|
|
|
1995
|
|
426
|
1996 if (wait) {
|
|
|
1997 flags |= NGX_HTTP_SUBREQUEST_WAITED;
|
|
|
1998 }
|
|
|
1999
|
|
248
|
2000 if (set) {
|
|
392
|
2001 key = ngx_hash_strlow(set->data, set->data, set->len);
|
|
248
|
2002
|
|
|
2003 psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t));
|
|
|
2004 if (psr == NULL) {
|
|
|
2005 return NGX_ERROR;
|
|
|
2006 }
|
|
|
2007
|
|
|
2008 psr->handler = ngx_http_ssi_set_variable;
|
|
|
2009 psr->data = ngx_http_ssi_get_variable(r, set, key);
|
|
|
2010
|
|
|
2011 if (psr->data == NULL) {
|
|
|
2012
|
|
|
2013 if (mctx->variables == NULL) {
|
|
|
2014 mctx->variables = ngx_list_create(r->pool, 4,
|
|
|
2015 sizeof(ngx_http_ssi_var_t));
|
|
|
2016 if (mctx->variables == NULL) {
|
|
|
2017 return NGX_ERROR;
|
|
|
2018 }
|
|
|
2019 }
|
|
|
2020
|
|
|
2021 var = ngx_list_push(mctx->variables);
|
|
|
2022 if (var == NULL) {
|
|
|
2023 return NGX_ERROR;
|
|
|
2024 }
|
|
|
2025
|
|
|
2026 var->name = *set;
|
|
|
2027 var->key = key;
|
|
|
2028 var->value = ngx_http_ssi_null_string;
|
|
|
2029 psr->data = &var->value;
|
|
|
2030 }
|
|
|
2031
|
|
426
|
2032 flags |= NGX_HTTP_SUBREQUEST_IN_MEMORY|NGX_HTTP_SUBREQUEST_WAITED;
|
|
248
|
2033 }
|
|
|
2034
|
|
426
|
2035 if (ngx_http_subrequest(r, uri, &args, &sr, psr, flags) != NGX_OK) {
|
|
102
|
2036 return NGX_HTTP_SSI_ERROR;
|
|
|
2037 }
|
|
|
2038
|
|
248
|
2039 if (wait == NULL && set == NULL) {
|
|
194
|
2040 return NGX_OK;
|
|
|
2041 }
|
|
|
2042
|
|
426
|
2043 if (ctx->wait == NULL) {
|
|
|
2044 ctx->wait = sr;
|
|
|
2045
|
|
|
2046 return NGX_AGAIN;
|
|
|
2047
|
|
|
2048 } else {
|
|
|
2049 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2050 "only one subrequest may be waited at the same time");
|
|
194
|
2051 }
|
|
|
2052
|
|
426
|
2053 return NGX_OK;
|
|
102
|
2054 }
|
|
|
2055
|
|
|
2056
|
|
46
|
2057 static ngx_int_t
|
|
248
|
2058 ngx_http_ssi_stub_output(ngx_http_request_t *r, void *data, ngx_int_t rc)
|
|
|
2059 {
|
|
|
2060 ngx_chain_t *out;
|
|
|
2061
|
|
|
2062 if (rc == NGX_ERROR || r->connection->error || r->request_output) {
|
|
|
2063 return rc;
|
|
|
2064 }
|
|
|
2065
|
|
|
2066 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2067 "ssi stub output: \"%V?%V\"", &r->uri, &r->args);
|
|
|
2068
|
|
|
2069 out = data;
|
|
|
2070
|
|
|
2071 if (!r->header_sent) {
|
|
508
|
2072 r->headers_out.content_type_len =
|
|
|
2073 r->parent->headers_out.content_type_len;
|
|
|
2074 r->headers_out.content_type = r->parent->headers_out.content_type;
|
|
248
|
2075
|
|
|
2076 if (ngx_http_send_header(r) == NGX_ERROR) {
|
|
|
2077 return NGX_ERROR;
|
|
|
2078 }
|
|
|
2079 }
|
|
|
2080
|
|
|
2081 return ngx_http_output_filter(r, out);
|
|
|
2082 }
|
|
|
2083
|
|
|
2084
|
|
|
2085 static ngx_int_t
|
|
|
2086 ngx_http_ssi_set_variable(ngx_http_request_t *r, void *data, ngx_int_t rc)
|
|
|
2087 {
|
|
|
2088 ngx_str_t *value = data;
|
|
|
2089
|
|
|
2090 if (r->upstream) {
|
|
|
2091 value->len = r->upstream->buffer.last - r->upstream->buffer.pos;
|
|
|
2092 value->data = r->upstream->buffer.pos;
|
|
|
2093 }
|
|
|
2094
|
|
|
2095 return rc;
|
|
|
2096 }
|
|
|
2097
|
|
|
2098
|
|
|
2099 static ngx_int_t
|
|
46
|
2100 ngx_http_ssi_echo(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2101 ngx_str_t **params)
|
|
|
2102 {
|
|
340
|
2103 u_char *p;
|
|
|
2104 uintptr_t len;
|
|
160
|
2105 ngx_int_t key;
|
|
48
|
2106 ngx_buf_t *b;
|
|
340
|
2107 ngx_str_t *var, *value, *enc, text;
|
|
48
|
2108 ngx_chain_t *cl;
|
|
50
|
2109 ngx_http_variable_value_t *vv;
|
|
46
|
2110
|
|
|
2111 var = params[NGX_HTTP_SSI_ECHO_VAR];
|
|
|
2112
|
|
192
|
2113 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2114 "ssi echo \"%V\"", var);
|
|
|
2115
|
|
392
|
2116 key = ngx_hash_strlow(var->data, var->data, var->len);
|
|
160
|
2117
|
|
|
2118 value = ngx_http_ssi_get_variable(r, var, key);
|
|
102
|
2119
|
|
|
2120 if (value == NULL) {
|
|
508
|
2121 vv = ngx_http_get_variable(r, var, key);
|
|
102
|
2122
|
|
|
2123 if (vv == NULL) {
|
|
|
2124 return NGX_HTTP_SSI_ERROR;
|
|
|
2125 }
|
|
|
2126
|
|
122
|
2127 if (!vv->not_found) {
|
|
|
2128 text.data = vv->data;
|
|
|
2129 text.len = vv->len;
|
|
|
2130 value = &text;
|
|
102
|
2131 }
|
|
50
|
2132 }
|
|
46
|
2133
|
|
102
|
2134 if (value == NULL) {
|
|
48
|
2135 value = params[NGX_HTTP_SSI_ECHO_DEFAULT];
|
|
|
2136
|
|
|
2137 if (value == NULL) {
|
|
|
2138 value = &ngx_http_ssi_none;
|
|
|
2139
|
|
|
2140 } else if (value->len == 0) {
|
|
|
2141 return NGX_OK;
|
|
|
2142 }
|
|
|
2143
|
|
|
2144 } else {
|
|
|
2145 if (value->len == 0) {
|
|
|
2146 return NGX_OK;
|
|
|
2147 }
|
|
|
2148 }
|
|
|
2149
|
|
340
|
2150 enc = params[NGX_HTTP_SSI_ECHO_ENCODING];
|
|
|
2151
|
|
|
2152 if (enc) {
|
|
|
2153 if (enc->len == 4 && ngx_strncmp(enc->data, "none", 4) == 0) {
|
|
|
2154
|
|
|
2155 ctx->encoding = NGX_HTTP_SSI_NO_ENCODING;
|
|
|
2156
|
|
|
2157 } else if (enc->len == 3 && ngx_strncmp(enc->data, "url", 3) == 0) {
|
|
|
2158
|
|
|
2159 ctx->encoding = NGX_HTTP_SSI_URL_ENCODING;
|
|
|
2160
|
|
|
2161 } else if (enc->len == 6 && ngx_strncmp(enc->data, "entity", 6) == 0) {
|
|
|
2162
|
|
|
2163 ctx->encoding = NGX_HTTP_SSI_ENTITY_ENCODING;
|
|
|
2164
|
|
|
2165 } else {
|
|
|
2166 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2167 "unknown encoding \"%V\" in the \"echo\" command",
|
|
|
2168 enc);
|
|
|
2169 }
|
|
|
2170 }
|
|
|
2171
|
|
508
|
2172 p = value->data;
|
|
|
2173
|
|
340
|
2174 switch (ctx->encoding) {
|
|
|
2175
|
|
|
2176 case NGX_HTTP_SSI_URL_ENCODING:
|
|
|
2177 len = 2 * ngx_escape_uri(NULL, value->data, value->len,
|
|
|
2178 NGX_ESCAPE_HTML);
|
|
|
2179
|
|
|
2180 if (len) {
|
|
382
|
2181 p = ngx_pnalloc(r->pool, value->len + len);
|
|
340
|
2182 if (p == NULL) {
|
|
|
2183 return NGX_HTTP_SSI_ERROR;
|
|
|
2184 }
|
|
|
2185
|
|
|
2186 (void) ngx_escape_uri(p, value->data, value->len, NGX_ESCAPE_HTML);
|
|
|
2187 }
|
|
|
2188
|
|
508
|
2189 len += value->len;
|
|
340
|
2190 break;
|
|
|
2191
|
|
|
2192 case NGX_HTTP_SSI_ENTITY_ENCODING:
|
|
|
2193 len = ngx_escape_html(NULL, value->data, value->len);
|
|
|
2194
|
|
|
2195 if (len) {
|
|
382
|
2196 p = ngx_pnalloc(r->pool, value->len + len);
|
|
340
|
2197 if (p == NULL) {
|
|
|
2198 return NGX_HTTP_SSI_ERROR;
|
|
|
2199 }
|
|
|
2200
|
|
|
2201 (void) ngx_escape_html(p, value->data, value->len);
|
|
|
2202 }
|
|
|
2203
|
|
508
|
2204 len += value->len;
|
|
|
2205 break;
|
|
|
2206
|
|
|
2207 default: /* NGX_HTTP_SSI_NO_ENCODING */
|
|
|
2208 len = value->len;
|
|
340
|
2209 break;
|
|
|
2210 }
|
|
|
2211
|
|
48
|
2212 b = ngx_calloc_buf(r->pool);
|
|
|
2213 if (b == NULL) {
|
|
|
2214 return NGX_HTTP_SSI_ERROR;
|
|
|
2215 }
|
|
|
2216
|
|
|
2217 cl = ngx_alloc_chain_link(r->pool);
|
|
|
2218 if (cl == NULL) {
|
|
46
|
2219 return NGX_HTTP_SSI_ERROR;
|
|
|
2220 }
|
|
|
2221
|
|
|
2222 b->memory = 1;
|
|
508
|
2223 b->pos = p;
|
|
|
2224 b->last = p + len;
|
|
46
|
2225
|
|
|
2226 cl->buf = b;
|
|
|
2227 cl->next = NULL;
|
|
|
2228 *ctx->last_out = cl;
|
|
|
2229 ctx->last_out = &cl->next;
|
|
|
2230
|
|
|
2231 return NGX_OK;
|
|
|
2232 }
|
|
|
2233
|
|
|
2234
|
|
58
|
2235 static ngx_int_t
|
|
|
2236 ngx_http_ssi_config(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2237 ngx_str_t **params)
|
|
|
2238 {
|
|
|
2239 ngx_str_t *value;
|
|
|
2240
|
|
|
2241 value = params[NGX_HTTP_SSI_CONFIG_TIMEFMT];
|
|
|
2242
|
|
|
2243 if (value) {
|
|
138
|
2244 ctx->timefmt.len = value->len;
|
|
382
|
2245 ctx->timefmt.data = ngx_pnalloc(r->pool, value->len + 1);
|
|
138
|
2246 if (ctx->timefmt.data == NULL) {
|
|
|
2247 return NGX_HTTP_SSI_ERROR;
|
|
|
2248 }
|
|
|
2249
|
|
|
2250 ngx_cpystrn(ctx->timefmt.data, value->data, value->len + 1);
|
|
58
|
2251 }
|
|
|
2252
|
|
96
|
2253 value = params[NGX_HTTP_SSI_CONFIG_ERRMSG];
|
|
|
2254
|
|
|
2255 if (value) {
|
|
|
2256 ctx->errmsg = *value;
|
|
|
2257 }
|
|
|
2258
|
|
58
|
2259 return NGX_OK;
|
|
|
2260 }
|
|
|
2261
|
|
|
2262
|
|
|
2263 static ngx_int_t
|
|
102
|
2264 ngx_http_ssi_set(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
58
|
2265 ngx_str_t **params)
|
|
|
2266 {
|
|
248
|
2267 ngx_int_t key, rc;
|
|
102
|
2268 ngx_str_t *name, *value, *vv;
|
|
|
2269 ngx_http_ssi_var_t *var;
|
|
|
2270 ngx_http_ssi_ctx_t *mctx;
|
|
|
2271
|
|
|
2272 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
2273
|
|
216
|
2274 if (mctx->variables == NULL) {
|
|
248
|
2275 mctx->variables = ngx_list_create(r->pool, 4,
|
|
|
2276 sizeof(ngx_http_ssi_var_t));
|
|
216
|
2277 if (mctx->variables == NULL) {
|
|
248
|
2278 return NGX_ERROR;
|
|
58
|
2279 }
|
|
|
2280 }
|
|
|
2281
|
|
102
|
2282 name = params[NGX_HTTP_SSI_SET_VAR];
|
|
|
2283 value = params[NGX_HTTP_SSI_SET_VALUE];
|
|
|
2284
|
|
192
|
2285 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2286 "ssi set \"%V\" \"%V\"", name, value);
|
|
|
2287
|
|
248
|
2288 rc = ngx_http_ssi_evaluate_string(r, ctx, value, 0);
|
|
|
2289
|
|
|
2290 if (rc != NGX_OK) {
|
|
|
2291 return rc;
|
|
58
|
2292 }
|
|
|
2293
|
|
392
|
2294 key = ngx_hash_strlow(name->data, name->data, name->len);
|
|
160
|
2295
|
|
|
2296 vv = ngx_http_ssi_get_variable(r, name, key);
|
|
102
|
2297
|
|
|
2298 if (vv) {
|
|
|
2299 *vv = *value;
|
|
|
2300 return NGX_OK;
|
|
|
2301 }
|
|
|
2302
|
|
248
|
2303 var = ngx_list_push(mctx->variables);
|
|
102
|
2304 if (var == NULL) {
|
|
248
|
2305 return NGX_ERROR;
|
|
102
|
2306 }
|
|
|
2307
|
|
|
2308 var->name = *name;
|
|
160
|
2309 var->key = key;
|
|
102
|
2310 var->value = *value;
|
|
|
2311
|
|
|
2312 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2313 "set: \"%V\"=\"%V\"", name, value);
|
|
|
2314
|
|
58
|
2315 return NGX_OK;
|
|
|
2316 }
|
|
|
2317
|
|
|
2318
|
|
|
2319 static ngx_int_t
|
|
|
2320 ngx_http_ssi_if(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2321 ngx_str_t **params)
|
|
|
2322 {
|
|
102
|
2323 u_char *p, *last;
|
|
|
2324 ngx_str_t *expr, left, right;
|
|
|
2325 ngx_int_t rc;
|
|
178
|
2326 ngx_uint_t negative, noregex, flags;
|
|
58
|
2327
|
|
178
|
2328 if (ctx->command.len == 2) {
|
|
|
2329 if (ctx->conditional) {
|
|
|
2330 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2331 "the \"if\" command inside the \"if\" command");
|
|
|
2332 return NGX_HTTP_SSI_ERROR;
|
|
|
2333 }
|
|
|
2334 }
|
|
|
2335
|
|
|
2336 if (ctx->output_chosen) {
|
|
|
2337 ctx->output = 0;
|
|
|
2338 return NGX_OK;
|
|
|
2339 }
|
|
|
2340
|
|
58
|
2341 expr = params[NGX_HTTP_SSI_IF_EXPR];
|
|
|
2342
|
|
192
|
2343 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2344 "ssi if expr=\"%V\"", expr);
|
|
|
2345
|
|
102
|
2346 left.data = expr->data;
|
|
100
|
2347 last = expr->data + expr->len;
|
|
|
2348
|
|
102
|
2349 for (p = left.data; p < last; p++) {
|
|
100
|
2350 if (*p >= 'A' && *p <= 'Z') {
|
|
|
2351 *p |= 0x20;
|
|
|
2352 continue;
|
|
|
2353 }
|
|
58
|
2354
|
|
102
|
2355 if ((*p >= 'a' && *p <= 'z')
|
|
|
2356 || (*p >= '0' && *p <= '9')
|
|
122
|
2357 || *p == '$' || *p == '{' || *p == '}' || *p == '_'
|
|
|
2358 || *p == '"' || *p == '\'')
|
|
102
|
2359 {
|
|
100
|
2360 continue;
|
|
|
2361 }
|
|
|
2362
|
|
|
2363 break;
|
|
|
2364 }
|
|
|
2365
|
|
102
|
2366 left.len = p - left.data;
|
|
100
|
2367
|
|
|
2368 while (p < last && *p == ' ') {
|
|
|
2369 p++;
|
|
58
|
2370 }
|
|
|
2371
|
|
508
|
2372 flags = 0;
|
|
184
|
2373
|
|
102
|
2374 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2375 "left: \"%V\"", &left);
|
|
|
2376
|
|
248
|
2377 rc = ngx_http_ssi_evaluate_string(r, ctx, &left, flags);
|
|
|
2378
|
|
|
2379 if (rc != NGX_OK) {
|
|
|
2380 return rc;
|
|
58
|
2381 }
|
|
|
2382
|
|
102
|
2383 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2384 "evaluted left: \"%V\"", &left);
|
|
|
2385
|
|
100
|
2386 if (p == last) {
|
|
102
|
2387 if (left.len) {
|
|
100
|
2388 ctx->output = 1;
|
|
178
|
2389 ctx->output_chosen = 1;
|
|
100
|
2390
|
|
|
2391 } else {
|
|
|
2392 ctx->output = 0;
|
|
|
2393 }
|
|
|
2394
|
|
178
|
2395 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
2396
|
|
100
|
2397 return NGX_OK;
|
|
|
2398 }
|
|
|
2399
|
|
|
2400 if (p < last && *p == '=') {
|
|
|
2401 negative = 0;
|
|
|
2402 p++;
|
|
|
2403
|
|
|
2404 } else if (p + 1 < last && *p == '!' && *(p + 1) == '=') {
|
|
|
2405 negative = 1;
|
|
|
2406 p += 2;
|
|
|
2407
|
|
|
2408 } else {
|
|
|
2409 goto invalid_expression;
|
|
|
2410 }
|
|
|
2411
|
|
|
2412 while (p < last && *p == ' ') {
|
|
|
2413 p++;
|
|
|
2414 }
|
|
|
2415
|
|
300
|
2416 if (p < last - 1 && *p == '/') {
|
|
100
|
2417 if (*(last - 1) != '/') {
|
|
|
2418 goto invalid_expression;
|
|
|
2419 }
|
|
|
2420
|
|
|
2421 noregex = 0;
|
|
178
|
2422 flags = NGX_HTTP_SSI_ADD_ZERO;
|
|
100
|
2423 last--;
|
|
274
|
2424 p++;
|
|
100
|
2425
|
|
|
2426 } else {
|
|
|
2427 noregex = 1;
|
|
178
|
2428 flags = 0;
|
|
|
2429
|
|
|
2430 if (p < last - 1 && p[0] == '\\' && p[1] == '/') {
|
|
200
|
2431 p++;
|
|
178
|
2432 }
|
|
100
|
2433 }
|
|
|
2434
|
|
|
2435 right.len = last - p;
|
|
|
2436 right.data = p;
|
|
|
2437
|
|
102
|
2438 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2439 "right: \"%V\"", &right);
|
|
|
2440
|
|
248
|
2441 rc = ngx_http_ssi_evaluate_string(r, ctx, &right, flags);
|
|
|
2442
|
|
|
2443 if (rc != NGX_OK) {
|
|
|
2444 return rc;
|
|
100
|
2445 }
|
|
|
2446
|
|
102
|
2447 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2448 "evaluted right: \"%V\"", &right);
|
|
100
|
2449
|
|
|
2450 if (noregex) {
|
|
|
2451 if (left.len != right.len) {
|
|
|
2452 rc = -1;
|
|
|
2453
|
|
|
2454 } else {
|
|
|
2455 rc = ngx_strncmp(left.data, right.data, right.len);
|
|
|
2456 }
|
|
|
2457
|
|
|
2458 } else {
|
|
|
2459 #if (NGX_PCRE)
|
|
356
|
2460 ngx_str_t err;
|
|
|
2461 ngx_regex_t *regex;
|
|
|
2462 u_char errstr[NGX_MAX_CONF_ERRSTR];
|
|
|
2463
|
|
100
|
2464 err.len = NGX_MAX_CONF_ERRSTR;
|
|
|
2465 err.data = errstr;
|
|
|
2466
|
|
|
2467 right.data[right.len] = '\0';
|
|
|
2468
|
|
|
2469 regex = ngx_regex_compile(&right, 0, r->pool, &err);
|
|
|
2470
|
|
|
2471 if (regex == NULL) {
|
|
|
2472 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "%s", err.data);
|
|
|
2473 return NGX_HTTP_SSI_ERROR;
|
|
|
2474 }
|
|
|
2475
|
|
|
2476 rc = ngx_regex_exec(regex, &left, NULL, 0);
|
|
|
2477
|
|
|
2478 if (rc != NGX_REGEX_NO_MATCHED && rc < 0) {
|
|
|
2479 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
2480 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"",
|
|
|
2481 rc, &left, &right);
|
|
|
2482 return NGX_HTTP_SSI_ERROR;
|
|
|
2483 }
|
|
|
2484 #else
|
|
|
2485 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
2486 "the using of the regex \"%V\" in SSI "
|
|
|
2487 "requires PCRE library", &right);
|
|
|
2488
|
|
|
2489 return NGX_HTTP_SSI_ERROR;
|
|
|
2490 #endif
|
|
|
2491 }
|
|
|
2492
|
|
|
2493 if ((rc == 0 && !negative) || (rc != 0 && negative)) {
|
|
58
|
2494 ctx->output = 1;
|
|
178
|
2495 ctx->output_chosen = 1;
|
|
58
|
2496
|
|
|
2497 } else {
|
|
|
2498 ctx->output = 0;
|
|
|
2499 }
|
|
|
2500
|
|
178
|
2501 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
2502
|
|
58
|
2503 return NGX_OK;
|
|
100
|
2504
|
|
|
2505 invalid_expression:
|
|
|
2506
|
|
|
2507 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2508 "invalid expression in \"%V\"", expr);
|
|
|
2509
|
|
|
2510 return NGX_HTTP_SSI_ERROR;
|
|
58
|
2511 }
|
|
|
2512
|
|
|
2513
|
|
|
2514 static ngx_int_t
|
|
|
2515 ngx_http_ssi_else(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2516 ngx_str_t **params)
|
|
|
2517 {
|
|
192
|
2518 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2519 "ssi else");
|
|
|
2520
|
|
178
|
2521 if (ctx->output_chosen) {
|
|
|
2522 ctx->output = 0;
|
|
|
2523 } else {
|
|
|
2524 ctx->output = 1;
|
|
|
2525 }
|
|
|
2526
|
|
|
2527 ctx->conditional = NGX_HTTP_SSI_COND_ELSE;
|
|
58
|
2528
|
|
|
2529 return NGX_OK;
|
|
|
2530 }
|
|
|
2531
|
|
|
2532
|
|
|
2533 static ngx_int_t
|
|
|
2534 ngx_http_ssi_endif(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2535 ngx_str_t **params)
|
|
|
2536 {
|
|
192
|
2537 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2538 "ssi endif");
|
|
|
2539
|
|
58
|
2540 ctx->output = 1;
|
|
178
|
2541 ctx->output_chosen = 0;
|
|
|
2542 ctx->conditional = 0;
|
|
58
|
2543
|
|
|
2544 return NGX_OK;
|
|
|
2545 }
|
|
|
2546
|
|
|
2547
|
|
122
|
2548 static ngx_int_t
|
|
216
|
2549 ngx_http_ssi_block(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2550 ngx_str_t **params)
|
|
|
2551 {
|
|
|
2552 ngx_http_ssi_ctx_t *mctx;
|
|
|
2553 ngx_http_ssi_block_t *bl;
|
|
|
2554
|
|
|
2555 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2556 "ssi block");
|
|
|
2557
|
|
|
2558 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
2559
|
|
|
2560 if (mctx->blocks == NULL) {
|
|
|
2561 mctx->blocks = ngx_array_create(r->pool, 4,
|
|
|
2562 sizeof(ngx_http_ssi_block_t));
|
|
|
2563 if (mctx->blocks == NULL) {
|
|
|
2564 return NGX_HTTP_SSI_ERROR;
|
|
|
2565 }
|
|
|
2566 }
|
|
|
2567
|
|
|
2568 bl = ngx_array_push(mctx->blocks);
|
|
|
2569 if (bl == NULL) {
|
|
|
2570 return NGX_HTTP_SSI_ERROR;
|
|
|
2571 }
|
|
|
2572
|
|
|
2573 bl->name = *params[NGX_HTTP_SSI_BLOCK_NAME];
|
|
|
2574 bl->bufs = NULL;
|
|
|
2575 bl->count = 0;
|
|
|
2576
|
|
|
2577 ctx->output = 0;
|
|
|
2578 ctx->block = 1;
|
|
|
2579
|
|
|
2580 return NGX_OK;
|
|
|
2581 }
|
|
|
2582
|
|
|
2583
|
|
|
2584 static ngx_int_t
|
|
|
2585 ngx_http_ssi_endblock(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2586 ngx_str_t **params)
|
|
|
2587 {
|
|
|
2588 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2589 "ssi endblock");
|
|
|
2590
|
|
|
2591 ctx->output = 1;
|
|
|
2592 ctx->block = 0;
|
|
|
2593
|
|
|
2594 return NGX_OK;
|
|
|
2595 }
|
|
|
2596
|
|
|
2597
|
|
|
2598 static ngx_int_t
|
|
122
|
2599 ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
|
|
380
|
2600 ngx_http_variable_value_t *v, uintptr_t gmt)
|
|
58
|
2601 {
|
|
122
|
2602 ngx_http_ssi_ctx_t *ctx;
|
|
|
2603 ngx_time_t *tp;
|
|
|
2604 struct tm tm;
|
|
|
2605 char buf[NGX_HTTP_SSI_DATE_LEN];
|
|
|
2606
|
|
126
|
2607 v->valid = 1;
|
|
340
|
2608 v->no_cacheable = 0;
|
|
122
|
2609 v->not_found = 0;
|
|
58
|
2610
|
|
112
|
2611 tp = ngx_timeofday();
|
|
|
2612
|
|
58
|
2613 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
2614
|
|
340
|
2615 if (ctx == NULL
|
|
|
2616 || (ctx->timefmt.len == sizeof("%s") - 1
|
|
|
2617 && ctx->timefmt.data[0] == '%' && ctx->timefmt.data[1] == 's'))
|
|
58
|
2618 {
|
|
382
|
2619 v->data = ngx_pnalloc(r->pool, NGX_TIME_T_LEN);
|
|
122
|
2620 if (v->data == NULL) {
|
|
|
2621 return NGX_ERROR;
|
|
58
|
2622 }
|
|
|
2623
|
|
508
|
2624 v->len = ngx_sprintf(v->data, "%T", tp->sec) - v->data;
|
|
206
|
2625
|
|
122
|
2626 return NGX_OK;
|
|
58
|
2627 }
|
|
|
2628
|
|
|
2629 if (gmt) {
|
|
112
|
2630 ngx_libc_gmtime(tp->sec, &tm);
|
|
58
|
2631 } else {
|
|
112
|
2632 ngx_libc_localtime(tp->sec, &tm);
|
|
58
|
2633 }
|
|
|
2634
|
|
122
|
2635 v->len = strftime(buf, NGX_HTTP_SSI_DATE_LEN,
|
|
|
2636 (char *) ctx->timefmt.data, &tm);
|
|
|
2637 if (v->len == 0) {
|
|
|
2638 return NGX_ERROR;
|
|
58
|
2639 }
|
|
|
2640
|
|
382
|
2641 v->data = ngx_pnalloc(r->pool, v->len);
|
|
122
|
2642 if (v->data == NULL) {
|
|
|
2643 return NGX_ERROR;
|
|
58
|
2644 }
|
|
|
2645
|
|
122
|
2646 ngx_memcpy(v->data, buf, v->len);
|
|
|
2647
|
|
|
2648 return NGX_OK;
|
|
58
|
2649 }
|
|
|
2650
|
|
|
2651
|
|
|
2652 static ngx_int_t
|
|
146
|
2653 ngx_http_ssi_preconfiguration(ngx_conf_t *cf)
|
|
58
|
2654 {
|
|
146
|
2655 ngx_int_t rc;
|
|
|
2656 ngx_http_variable_t *var, *v;
|
|
|
2657 ngx_http_ssi_command_t *cmd;
|
|
|
2658 ngx_http_ssi_main_conf_t *smcf;
|
|
58
|
2659
|
|
|
2660 for (v = ngx_http_ssi_vars; v->name.len; v++) {
|
|
|
2661 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
2662 if (var == NULL) {
|
|
|
2663 return NGX_ERROR;
|
|
|
2664 }
|
|
|
2665
|
|
186
|
2666 var->get_handler = v->get_handler;
|
|
58
|
2667 var->data = v->data;
|
|
|
2668 }
|
|
|
2669
|
|
146
|
2670 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
2671
|
|
|
2672 for (cmd = ngx_http_ssi_commands; cmd->name.len; cmd++) {
|
|
|
2673 rc = ngx_hash_add_key(&smcf->commands, &cmd->name, cmd,
|
|
|
2674 NGX_HASH_READONLY_KEY);
|
|
|
2675
|
|
|
2676 if (rc == NGX_OK) {
|
|
|
2677 continue;
|
|
|
2678 }
|
|
|
2679
|
|
|
2680 if (rc == NGX_BUSY) {
|
|
|
2681 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2682 "conflicting SSI command \"%V\"", &cmd->name);
|
|
|
2683 }
|
|
|
2684
|
|
|
2685 return NGX_ERROR;
|
|
|
2686 }
|
|
|
2687
|
|
126
|
2688 return NGX_OK;
|
|
58
|
2689 }
|
|
|
2690
|
|
|
2691
|
|
46
|
2692 static void *
|
|
146
|
2693 ngx_http_ssi_create_main_conf(ngx_conf_t *cf)
|
|
|
2694 {
|
|
|
2695 ngx_http_ssi_main_conf_t *smcf;
|
|
|
2696
|
|
|
2697 smcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_main_conf_t));
|
|
|
2698 if (smcf == NULL) {
|
|
502
|
2699 return NULL;
|
|
146
|
2700 }
|
|
|
2701
|
|
|
2702 smcf->commands.pool = cf->pool;
|
|
|
2703 smcf->commands.temp_pool = cf->temp_pool;
|
|
|
2704
|
|
|
2705 if (ngx_hash_keys_array_init(&smcf->commands, NGX_HASH_SMALL) != NGX_OK) {
|
|
502
|
2706 return NULL;
|
|
146
|
2707 }
|
|
|
2708
|
|
|
2709 return smcf;
|
|
|
2710 }
|
|
|
2711
|
|
|
2712
|
|
|
2713 static char *
|
|
|
2714 ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
2715 {
|
|
|
2716 ngx_http_ssi_main_conf_t *smcf = conf;
|
|
|
2717
|
|
|
2718 ngx_hash_init_t hash;
|
|
|
2719
|
|
|
2720 hash.hash = &smcf->hash;
|
|
|
2721 hash.key = ngx_hash_key;
|
|
|
2722 hash.max_size = 1024;
|
|
|
2723 hash.bucket_size = ngx_cacheline_size;
|
|
|
2724 hash.name = "ssi_command_hash";
|
|
|
2725 hash.pool = cf->pool;
|
|
|
2726 hash.temp_pool = NULL;
|
|
|
2727
|
|
|
2728 if (ngx_hash_init(&hash, smcf->commands.keys.elts,
|
|
|
2729 smcf->commands.keys.nelts)
|
|
|
2730 != NGX_OK)
|
|
|
2731 {
|
|
|
2732 return NGX_CONF_ERROR;
|
|
|
2733 }
|
|
|
2734
|
|
|
2735 return NGX_CONF_OK;
|
|
|
2736 }
|
|
|
2737
|
|
|
2738
|
|
|
2739 static void *
|
|
296
|
2740 ngx_http_ssi_create_loc_conf(ngx_conf_t *cf)
|
|
46
|
2741 {
|
|
146
|
2742 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
2743
|
|
|
2744 slcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_loc_conf_t));
|
|
|
2745 if (slcf == NULL) {
|
|
502
|
2746 return NULL;
|
|
46
|
2747 }
|
|
|
2748
|
|
76
|
2749 /*
|
|
|
2750 * set by ngx_pcalloc():
|
|
|
2751 *
|
|
394
|
2752 * conf->types = { NULL };
|
|
|
2753 * conf->types_keys = NULL;
|
|
76
|
2754 */
|
|
|
2755
|
|
146
|
2756 slcf->enable = NGX_CONF_UNSET;
|
|
|
2757 slcf->silent_errors = NGX_CONF_UNSET;
|
|
|
2758 slcf->ignore_recycled_buffers = NGX_CONF_UNSET;
|
|
|
2759
|
|
|
2760 slcf->min_file_chunk = NGX_CONF_UNSET_SIZE;
|
|
|
2761 slcf->value_len = NGX_CONF_UNSET_SIZE;
|
|
|
2762
|
|
|
2763 return slcf;
|
|
46
|
2764 }
|
|
|
2765
|
|
|
2766
|
|
|
2767 static char *
|
|
296
|
2768 ngx_http_ssi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
46
|
2769 {
|
|
146
|
2770 ngx_http_ssi_loc_conf_t *prev = parent;
|
|
|
2771 ngx_http_ssi_loc_conf_t *conf = child;
|
|
46
|
2772
|
|
|
2773 ngx_conf_merge_value(conf->enable, prev->enable, 0);
|
|
|
2774 ngx_conf_merge_value(conf->silent_errors, prev->silent_errors, 0);
|
|
58
|
2775 ngx_conf_merge_value(conf->ignore_recycled_buffers,
|
|
|
2776 prev->ignore_recycled_buffers, 0);
|
|
46
|
2777
|
|
|
2778 ngx_conf_merge_size_value(conf->min_file_chunk, prev->min_file_chunk, 1024);
|
|
|
2779 ngx_conf_merge_size_value(conf->value_len, prev->value_len, 256);
|
|
|
2780
|
|
394
|
2781 if (ngx_http_merge_types(cf, conf->types_keys, &conf->types,
|
|
|
2782 prev->types_keys, &prev->types,
|
|
|
2783 ngx_http_html_default_types)
|
|
|
2784 != NGX_OK)
|
|
|
2785 {
|
|
|
2786 return NGX_CONF_ERROR;
|
|
76
|
2787 }
|
|
|
2788
|
|
46
|
2789 return NGX_CONF_OK;
|
|
|
2790 }
|
|
|
2791
|
|
|
2792
|
|
|
2793 static ngx_int_t
|
|
230
|
2794 ngx_http_ssi_filter_init(ngx_conf_t *cf)
|
|
46
|
2795 {
|
|
|
2796 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
|
2797 ngx_http_top_header_filter = ngx_http_ssi_header_filter;
|
|
|
2798
|
|
|
2799 ngx_http_next_body_filter = ngx_http_top_body_filter;
|
|
|
2800 ngx_http_top_body_filter = ngx_http_ssi_body_filter;
|
|
|
2801
|
|
|
2802 return NGX_OK;
|
|
|
2803 }
|
