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