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46
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10
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102
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11 #define NGX_HTTP_SSI_ERROR 1
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12
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13 #define NGX_HTTP_SSI_DATE_LEN 2048
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14
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15 #define NGX_HTTP_SSI_ADD_PREFIX 1
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178
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16 #define NGX_HTTP_SSI_ADD_ZERO 2
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184
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17 #define NGX_HTTP_SSI_EXPR_TEST 4
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58
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18
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46
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19
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20 typedef struct {
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146
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21 ngx_flag_t enable;
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22 ngx_flag_t silent_errors;
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23 ngx_flag_t ignore_recycled_buffers;
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24
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25 ngx_array_t *types; /* array of ngx_str_t */
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26
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27 size_t min_file_chunk;
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28 size_t value_len;
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29 } ngx_http_ssi_loc_conf_t;
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102
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30
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31
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32 typedef struct {
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146
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33 ngx_str_t name;
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160
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34 ngx_uint_t key;
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146
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35 ngx_str_t value;
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36 } ngx_http_ssi_var_t;
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46
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37
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38
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216
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39 typedef struct {
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40 ngx_str_t name;
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41 ngx_chain_t *bufs;
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42 ngx_uint_t count;
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43 } ngx_http_ssi_block_t;
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44
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45
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46
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46 typedef enum {
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47 ssi_start_state = 0,
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48 ssi_tag_state,
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49 ssi_comment0_state,
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50 ssi_comment1_state,
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51 ssi_sharp_state,
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52 ssi_precommand_state,
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53 ssi_command_state,
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54 ssi_preparam_state,
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55 ssi_param_state,
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56 ssi_preequal_state,
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57 ssi_prevalue_state,
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58 ssi_double_quoted_value_state,
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59 ssi_quoted_value_state,
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60 ssi_quoted_symbol_state,
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61 ssi_postparam_state,
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62 ssi_comment_end0_state,
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63 ssi_comment_end1_state,
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64 ssi_error_state,
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65 ssi_error_end0_state,
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66 ssi_error_end1_state
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67 } ngx_http_ssi_state_e;
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68
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69
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58
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70 static ngx_int_t ngx_http_ssi_output(ngx_http_request_t *r,
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71 ngx_http_ssi_ctx_t *ctx);
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46
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72 static ngx_int_t ngx_http_ssi_parse(ngx_http_request_t *r,
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73 ngx_http_ssi_ctx_t *ctx);
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102
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74 static ngx_str_t *ngx_http_ssi_get_variable(ngx_http_request_t *r,
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160
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75 ngx_str_t *name, ngx_uint_t key);
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102
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76 static ngx_int_t ngx_http_ssi_evaluate_string(ngx_http_request_t *r,
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77 ngx_http_ssi_ctx_t *ctx, ngx_str_t *text, ngx_uint_t flags);
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78
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79 static ngx_int_t ngx_http_ssi_include(ngx_http_request_t *r,
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80 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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248
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81 static ngx_int_t ngx_http_ssi_stub_output(ngx_http_request_t *r, void *data,
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82 ngx_int_t rc);
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83 static ngx_int_t ngx_http_ssi_set_variable(ngx_http_request_t *r, void *data,
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84 ngx_int_t rc);
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46
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85 static ngx_int_t ngx_http_ssi_echo(ngx_http_request_t *r,
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86 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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58
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87 static ngx_int_t ngx_http_ssi_config(ngx_http_request_t *r,
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88 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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102
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89 static ngx_int_t ngx_http_ssi_set(ngx_http_request_t *r,
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58
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90 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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91 static ngx_int_t ngx_http_ssi_if(ngx_http_request_t *r,
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92 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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93 static ngx_int_t ngx_http_ssi_else(ngx_http_request_t *r,
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94 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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95 static ngx_int_t ngx_http_ssi_endif(ngx_http_request_t *r,
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96 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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216
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97 static ngx_int_t ngx_http_ssi_block(ngx_http_request_t *r,
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98 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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99 static ngx_int_t ngx_http_ssi_endblock(ngx_http_request_t *r,
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100 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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46
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101
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122
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102 static ngx_int_t ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
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380
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103 ngx_http_variable_value_t *v, uintptr_t gmt);
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104
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76
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105 static char *ngx_http_ssi_types(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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106
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146
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107 static ngx_int_t ngx_http_ssi_preconfiguration(ngx_conf_t *cf);
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108 static void *ngx_http_ssi_create_main_conf(ngx_conf_t *cf);
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109 static char *ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf);
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296
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110 static void *ngx_http_ssi_create_loc_conf(ngx_conf_t *cf);
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111 static char *ngx_http_ssi_merge_loc_conf(ngx_conf_t *cf,
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46
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112 void *parent, void *child);
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230
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113 static ngx_int_t ngx_http_ssi_filter_init(ngx_conf_t *cf);
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46
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114
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115
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116 static ngx_command_t ngx_http_ssi_filter_commands[] = {
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117
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118 { ngx_string("ssi"),
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230
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119 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
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120 |NGX_CONF_FLAG,
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46
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121 ngx_conf_set_flag_slot,
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122 NGX_HTTP_LOC_CONF_OFFSET,
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146
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123 offsetof(ngx_http_ssi_loc_conf_t, enable),
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124 NULL },
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125
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126 { ngx_string("ssi_silent_errors"),
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127 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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128 ngx_conf_set_flag_slot,
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129 NGX_HTTP_LOC_CONF_OFFSET,
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146
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130 offsetof(ngx_http_ssi_loc_conf_t, silent_errors),
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131 NULL },
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132
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58
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133 { ngx_string("ssi_ignore_recycled_buffers"),
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134 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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135 ngx_conf_set_flag_slot,
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136 NGX_HTTP_LOC_CONF_OFFSET,
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146
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137 offsetof(ngx_http_ssi_loc_conf_t, ignore_recycled_buffers),
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138 NULL },
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139
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46
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140 { ngx_string("ssi_min_file_chunk"),
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141 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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142 ngx_conf_set_size_slot,
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143 NGX_HTTP_LOC_CONF_OFFSET,
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144 offsetof(ngx_http_ssi_loc_conf_t, min_file_chunk),
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46
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145 NULL },
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146
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138
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147 { ngx_string("ssi_value_length"),
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148 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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149 ngx_conf_set_size_slot,
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150 NGX_HTTP_LOC_CONF_OFFSET,
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146
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151 offsetof(ngx_http_ssi_loc_conf_t, value_len),
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138
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152 NULL },
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153
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76
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154 { ngx_string("ssi_types"),
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155 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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156 ngx_http_ssi_types,
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157 NGX_HTTP_LOC_CONF_OFFSET,
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158 0,
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159 NULL },
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160
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46
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161 ngx_null_command
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162 };
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163
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164
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126
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165
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46
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166 static ngx_http_module_t ngx_http_ssi_filter_module_ctx = {
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146
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167 ngx_http_ssi_preconfiguration, /* preconfiguration */
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230
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168 ngx_http_ssi_filter_init, /* postconfiguration */
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46
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169
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146
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170 ngx_http_ssi_create_main_conf, /* create main configuration */
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171 ngx_http_ssi_init_main_conf, /* init main configuration */
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46
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172
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173 NULL, /* create server configuration */
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174 NULL, /* merge server configuration */
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175
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296
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176 ngx_http_ssi_create_loc_conf, /* create location configuration */
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177 ngx_http_ssi_merge_loc_conf /* merge location configuration */
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126
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178 };
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46
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179
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180
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181 ngx_module_t ngx_http_ssi_filter_module = {
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58
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182 NGX_MODULE_V1,
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46
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183 &ngx_http_ssi_filter_module_ctx, /* module context */
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184 ngx_http_ssi_filter_commands, /* module directives */
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185 NGX_HTTP_MODULE, /* module type */
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90
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186 NULL, /* init master */
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230
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187 NULL, /* init module */
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90
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188 NULL, /* init process */
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189 NULL, /* init thread */
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190 NULL, /* exit thread */
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191 NULL, /* exit process */
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192 NULL, /* exit master */
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193 NGX_MODULE_V1_PADDING
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46
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194 };
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195
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196
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118
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197 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
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198 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
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46
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199
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200
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201 static u_char ngx_http_ssi_string[] = "<!--";
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202
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203 static ngx_str_t ngx_http_ssi_none = ngx_string("(none)");
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248
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204 static ngx_str_t ngx_http_ssi_null_string = ngx_null_string;
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205
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46
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206
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102
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207 #define NGX_HTTP_SSI_INCLUDE_VIRTUAL 0
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208 #define NGX_HTTP_SSI_INCLUDE_FILE 1
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194
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209 #define NGX_HTTP_SSI_INCLUDE_WAIT 2
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248
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210 #define NGX_HTTP_SSI_INCLUDE_SET 3
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211 #define NGX_HTTP_SSI_INCLUDE_STUB 4
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46
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212
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58
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213 #define NGX_HTTP_SSI_ECHO_VAR 0
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214 #define NGX_HTTP_SSI_ECHO_DEFAULT 1
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340
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215 #define NGX_HTTP_SSI_ECHO_ENCODING 2
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216
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96
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217 #define NGX_HTTP_SSI_CONFIG_ERRMSG 0
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218 #define NGX_HTTP_SSI_CONFIG_TIMEFMT 1
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219
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102
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220 #define NGX_HTTP_SSI_SET_VAR 0
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221 #define NGX_HTTP_SSI_SET_VALUE 1
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222
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223 #define NGX_HTTP_SSI_IF_EXPR 0
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224
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216
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225 #define NGX_HTTP_SSI_BLOCK_NAME 0
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226
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46
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227
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102
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228 static ngx_http_ssi_param_t ngx_http_ssi_include_params[] = {
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146
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229 { ngx_string("virtual"), NGX_HTTP_SSI_INCLUDE_VIRTUAL, 0, 0 },
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230 { ngx_string("file"), NGX_HTTP_SSI_INCLUDE_FILE, 0, 0 },
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194
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231 { ngx_string("wait"), NGX_HTTP_SSI_INCLUDE_WAIT, 0, 0 },
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248
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232 { ngx_string("set"), NGX_HTTP_SSI_INCLUDE_SET, 0, 0 },
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216
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233 { ngx_string("stub"), NGX_HTTP_SSI_INCLUDE_STUB, 0, 0 },
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146
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234 { ngx_null_string, 0, 0, 0 }
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102
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235 };
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236
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237
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238 static ngx_http_ssi_param_t ngx_http_ssi_echo_params[] = {
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146
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239 { ngx_string("var"), NGX_HTTP_SSI_ECHO_VAR, 1, 0 },
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240 { ngx_string("default"), NGX_HTTP_SSI_ECHO_DEFAULT, 0, 0 },
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340
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241 { ngx_string("encoding"), NGX_HTTP_SSI_ECHO_ENCODING, 0, 0 },
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146
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242 { ngx_null_string, 0, 0, 0 }
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46
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243 };
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244
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245
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246 static ngx_http_ssi_param_t ngx_http_ssi_config_params[] = {
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146
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247 { ngx_string("errmsg"), NGX_HTTP_SSI_CONFIG_ERRMSG, 0, 0 },
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248 { ngx_string("timefmt"), NGX_HTTP_SSI_CONFIG_TIMEFMT, 0, 0 },
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249 { ngx_null_string, 0, 0, 0 }
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58
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250 };
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251
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252
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102
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253 static ngx_http_ssi_param_t ngx_http_ssi_set_params[] = {
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146
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254 { ngx_string("var"), NGX_HTTP_SSI_SET_VAR, 1, 0 },
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255 { ngx_string("value"), NGX_HTTP_SSI_SET_VALUE, 1, 0 },
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256 { ngx_null_string, 0, 0, 0 }
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102
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257 };
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258
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259
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58
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260 static ngx_http_ssi_param_t ngx_http_ssi_if_params[] = {
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146
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261 { ngx_string("expr"), NGX_HTTP_SSI_IF_EXPR, 1, 0 },
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262 { ngx_null_string, 0, 0, 0 }
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58
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263 };
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264
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265
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216
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266 static ngx_http_ssi_param_t ngx_http_ssi_block_params[] = {
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267 { ngx_string("name"), NGX_HTTP_SSI_BLOCK_NAME, 1, 0 },
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268 { ngx_null_string, 0, 0, 0 }
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269 };
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270
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271
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58
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272 static ngx_http_ssi_param_t ngx_http_ssi_no_params[] = {
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146
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273 { ngx_null_string, 0, 0, 0 }
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58
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274 };
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275
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46
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276
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277 static ngx_http_ssi_command_t ngx_http_ssi_commands[] = {
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102
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278 { ngx_string("include"), ngx_http_ssi_include,
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216
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279 ngx_http_ssi_include_params, 0, 0, 1 },
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280 { ngx_string("echo"), ngx_http_ssi_echo,
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281 ngx_http_ssi_echo_params, 0, 0, 0 },
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58
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282 { ngx_string("config"), ngx_http_ssi_config,
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216
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283 ngx_http_ssi_config_params, 0, 0, 0 },
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284 { ngx_string("set"), ngx_http_ssi_set, ngx_http_ssi_set_params, 0, 0, 0 },
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285
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286 { ngx_string("if"), ngx_http_ssi_if, ngx_http_ssi_if_params, 0, 0, 0 },
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178
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287 { ngx_string("elif"), ngx_http_ssi_if, ngx_http_ssi_if_params,
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216
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288 NGX_HTTP_SSI_COND_IF, 0, 0 },
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178
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289 { ngx_string("else"), ngx_http_ssi_else, ngx_http_ssi_no_params,
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216
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290 NGX_HTTP_SSI_COND_IF, 0, 0 },
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178
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291 { ngx_string("endif"), ngx_http_ssi_endif, ngx_http_ssi_no_params,
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216
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292 NGX_HTTP_SSI_COND_ELSE, 0, 0 },
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293
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294 { ngx_string("block"), ngx_http_ssi_block,
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295 ngx_http_ssi_block_params, 0, 0, 0 },
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296 { ngx_string("endblock"), ngx_http_ssi_endblock,
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297 ngx_http_ssi_no_params, 0, 1, 0 },
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298
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299 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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46
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300 };
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301
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302
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58
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303 static ngx_http_variable_t ngx_http_ssi_vars[] = {
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304
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186
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305 { ngx_string("date_local"), NULL, ngx_http_ssi_date_gmt_local_variable, 0,
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340
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306 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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58
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307
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186
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308 { ngx_string("date_gmt"), NULL, ngx_http_ssi_date_gmt_local_variable, 1,
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340
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309 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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58
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310
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186
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311 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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58
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312 };
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313
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314
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315
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46
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316 static ngx_int_t
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317 ngx_http_ssi_header_filter(ngx_http_request_t *r)
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318 {
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146
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319 ngx_uint_t i;
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320 ngx_str_t *type;
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321 ngx_http_ssi_ctx_t *ctx;
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322 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
323
|
|
|
324 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
|
325
|
|
|
326 if (!slcf->enable
|
|
126
|
327 || r->headers_out.content_type.len == 0
|
|
|
328 || r->headers_out.content_length_n == 0)
|
|
46
|
329 {
|
|
|
330 return ngx_http_next_header_filter(r);
|
|
|
331 }
|
|
|
332
|
|
|
333
|
|
146
|
334 type = slcf->types->elts;
|
|
|
335 for (i = 0; i < slcf->types->nelts; i++) {
|
|
76
|
336 if (r->headers_out.content_type.len >= type[i].len
|
|
|
337 && ngx_strncasecmp(r->headers_out.content_type.data,
|
|
|
338 type[i].data, type[i].len) == 0)
|
|
|
339 {
|
|
|
340 goto found;
|
|
|
341 }
|
|
|
342 }
|
|
|
343
|
|
|
344 return ngx_http_next_header_filter(r);
|
|
|
345
|
|
|
346
|
|
|
347 found:
|
|
|
348
|
|
48
|
349 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_ssi_ctx_t));
|
|
|
350 if (ctx == NULL) {
|
|
46
|
351 return NGX_ERROR;
|
|
|
352 }
|
|
|
353
|
|
|
354 ngx_http_set_ctx(r, ctx, ngx_http_ssi_filter_module);
|
|
|
355
|
|
|
356
|
|
146
|
357 ctx->value_len = slcf->value_len;
|
|
46
|
358 ctx->last_out = &ctx->out;
|
|
|
359
|
|
340
|
360 ctx->encoding = NGX_HTTP_SSI_ENTITY_ENCODING;
|
|
58
|
361 ctx->output = 1;
|
|
|
362
|
|
46
|
363 ctx->params.elts = ctx->params_array;
|
|
|
364 ctx->params.size = sizeof(ngx_table_elt_t);
|
|
|
365 ctx->params.nalloc = NGX_HTTP_SSI_PARAMS_N;
|
|
|
366 ctx->params.pool = r->pool;
|
|
|
367
|
|
58
|
368 ctx->timefmt.len = sizeof("%A, %d-%b-%Y %H:%M:%S %Z") - 1;
|
|
|
369 ctx->timefmt.data = (u_char *) "%A, %d-%b-%Y %H:%M:%S %Z";
|
|
46
|
370
|
|
96
|
371 ctx->errmsg.len =
|
|
|
372 sizeof("[an error occurred while processing the directive]") - 1;
|
|
|
373 ctx->errmsg.data = (u_char *)
|
|
|
374 "[an error occurred while processing the directive]";
|
|
|
375
|
|
46
|
376 r->filter_need_in_memory = 1;
|
|
|
377
|
|
146
|
378 if (r == r->main) {
|
|
126
|
379 ngx_http_clear_content_length(r);
|
|
|
380 ngx_http_clear_last_modified(r);
|
|
58
|
381 }
|
|
|
382
|
|
46
|
383 return ngx_http_next_header_filter(r);
|
|
|
384 }
|
|
|
385
|
|
|
386
|
|
|
387 static ngx_int_t
|
|
|
388 ngx_http_ssi_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
|
|
|
389 {
|
|
216
|
390 size_t len;
|
|
146
|
391 ngx_int_t rc;
|
|
|
392 ngx_buf_t *b;
|
|
|
393 ngx_uint_t i, index;
|
|
216
|
394 ngx_chain_t *cl, **ll;
|
|
146
|
395 ngx_table_elt_t *param;
|
|
246
|
396 ngx_http_request_t *pr;
|
|
216
|
397 ngx_http_ssi_ctx_t *ctx, *mctx;
|
|
|
398 ngx_http_ssi_block_t *bl;
|
|
146
|
399 ngx_http_ssi_param_t *prm;
|
|
|
400 ngx_http_ssi_command_t *cmd;
|
|
|
401 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
402 ngx_http_ssi_main_conf_t *smcf;
|
|
148
|
403 ngx_str_t *params[NGX_HTTP_SSI_MAX_PARAMS + 1];
|
|
46
|
404
|
|
|
405 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
406
|
|
194
|
407 if (ctx == NULL
|
|
|
408 || (in == NULL
|
|
|
409 && ctx->buf == NULL
|
|
|
410 && ctx->in == NULL
|
|
|
411 && ctx->busy == NULL))
|
|
|
412 {
|
|
46
|
413 return ngx_http_next_body_filter(r, in);
|
|
|
414 }
|
|
|
415
|
|
|
416 /* add the incoming chain to the chain ctx->in */
|
|
|
417
|
|
|
418 if (in) {
|
|
|
419 if (ngx_chain_add_copy(r->pool, &ctx->in, in) == NGX_ERROR) {
|
|
|
420 return NGX_ERROR;
|
|
|
421 }
|
|
|
422 }
|
|
|
423
|
|
194
|
424 if (ctx->wait) {
|
|
|
425 if (r->connection->data != r) {
|
|
|
426 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
427 "http ssi filter \"%V\" wait", &r->uri);
|
|
|
428 return NGX_AGAIN;
|
|
|
429 }
|
|
|
430
|
|
246
|
431 for (pr = ctx->wait->parent; pr; pr = pr->parent) {
|
|
|
432 if (pr == r) {
|
|
|
433 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
434 "http ssi filter \"%V\" flush", &r->uri);
|
|
|
435
|
|
|
436 rc = ngx_http_next_body_filter(r, NULL);
|
|
|
437
|
|
|
438 if (ctx->wait->done) {
|
|
|
439 ctx->wait = NULL;
|
|
|
440 }
|
|
|
441
|
|
|
442 if (rc == NGX_ERROR || rc == NGX_AGAIN) {
|
|
|
443 return rc;
|
|
|
444 }
|
|
322
|
445
|
|
|
446 break;
|
|
246
|
447 }
|
|
|
448 }
|
|
|
449
|
|
244
|
450 if (ctx->wait == r) {
|
|
|
451 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
452 "http ssi filter \"%V\" continue", &r->uri);
|
|
|
453 ctx->wait = NULL;
|
|
|
454 }
|
|
194
|
455 }
|
|
|
456
|
|
146
|
457 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
46
|
458
|
|
58
|
459 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
460 "http ssi filter \"%V\"", &r->uri);
|
|
46
|
461
|
|
48
|
462 while (ctx->in || ctx->buf) {
|
|
46
|
463
|
|
48
|
464 if (ctx->buf == NULL ){
|
|
|
465 ctx->buf = ctx->in->buf;
|
|
|
466 ctx->in = ctx->in->next;
|
|
|
467 ctx->pos = ctx->buf->pos;
|
|
|
468 }
|
|
46
|
469
|
|
|
470 if (ctx->state == ssi_start_state) {
|
|
|
471 ctx->copy_start = ctx->pos;
|
|
|
472 ctx->copy_end = ctx->pos;
|
|
|
473 }
|
|
|
474
|
|
48
|
475 b = NULL;
|
|
|
476
|
|
46
|
477 while (ctx->pos < ctx->buf->last) {
|
|
|
478
|
|
|
479 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
480 "saved: %d state: %d", ctx->saved, ctx->state);
|
|
|
481
|
|
|
482 rc = ngx_http_ssi_parse(r, ctx);
|
|
|
483
|
|
|
484 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
485 "parse: %d, looked: %d %p-%p",
|
|
|
486 rc, ctx->looked, ctx->copy_start, ctx->copy_end);
|
|
|
487
|
|
|
488 if (rc == NGX_ERROR) {
|
|
|
489 return rc;
|
|
|
490 }
|
|
|
491
|
|
|
492 if (ctx->copy_start != ctx->copy_end) {
|
|
|
493
|
|
58
|
494 if (ctx->output) {
|
|
|
495
|
|
|
496 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
497 "saved: %d", ctx->saved);
|
|
|
498
|
|
|
499 if (ctx->saved) {
|
|
|
500
|
|
|
501 if (ctx->free) {
|
|
|
502 cl = ctx->free;
|
|
|
503 ctx->free = ctx->free->next;
|
|
|
504 b = cl->buf;
|
|
|
505 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
46
|
506
|
|
58
|
507 } else {
|
|
|
508 b = ngx_calloc_buf(r->pool);
|
|
|
509 if (b == NULL) {
|
|
|
510 return NGX_ERROR;
|
|
|
511 }
|
|
|
512
|
|
|
513 cl = ngx_alloc_chain_link(r->pool);
|
|
|
514 if (cl == NULL) {
|
|
|
515 return NGX_ERROR;
|
|
|
516 }
|
|
|
517
|
|
|
518 cl->buf = b;
|
|
|
519 }
|
|
|
520
|
|
|
521 b->memory = 1;
|
|
|
522 b->pos = ngx_http_ssi_string;
|
|
|
523 b->last = ngx_http_ssi_string + ctx->saved;
|
|
|
524
|
|
|
525 *ctx->last_out = cl;
|
|
|
526 ctx->last_out = &cl->next;
|
|
|
527
|
|
|
528 ctx->saved = 0;
|
|
|
529 }
|
|
48
|
530
|
|
|
531 if (ctx->free) {
|
|
|
532 cl = ctx->free;
|
|
|
533 ctx->free = ctx->free->next;
|
|
|
534 b = cl->buf;
|
|
|
535
|
|
|
536 } else {
|
|
58
|
537 b = ngx_alloc_buf(r->pool);
|
|
48
|
538 if (b == NULL) {
|
|
|
539 return NGX_ERROR;
|
|
|
540 }
|
|
|
541
|
|
|
542 cl = ngx_alloc_chain_link(r->pool);
|
|
|
543 if (cl == NULL) {
|
|
|
544 return NGX_ERROR;
|
|
|
545 }
|
|
|
546
|
|
|
547 cl->buf = b;
|
|
46
|
548 }
|
|
|
549
|
|
58
|
550 ngx_memcpy(b, ctx->buf, sizeof(ngx_buf_t));
|
|
|
551
|
|
62
|
552 b->pos = ctx->copy_start;
|
|
|
553 b->last = ctx->copy_end;
|
|
|
554 b->shadow = NULL;
|
|
58
|
555 b->last_buf = 0;
|
|
|
556 b->recycled = 0;
|
|
46
|
557
|
|
58
|
558 if (b->in_file) {
|
|
146
|
559 if (slcf->min_file_chunk < (size_t) (b->last - b->pos))
|
|
58
|
560 {
|
|
386
|
561 b->file_last = b->file_pos
|
|
|
562 + (b->last - ctx->buf->pos);
|
|
|
563 b->file_pos += b->pos - ctx->buf->pos;
|
|
58
|
564
|
|
|
565 } else {
|
|
|
566 b->in_file = 0;
|
|
|
567 }
|
|
|
568 }
|
|
|
569
|
|
|
570 cl->next = NULL;
|
|
46
|
571 *ctx->last_out = cl;
|
|
|
572 ctx->last_out = &cl->next;
|
|
|
573
|
|
58
|
574 } else {
|
|
216
|
575 if (ctx->block
|
|
|
576 && ctx->saved + (ctx->copy_end - ctx->copy_start))
|
|
|
577 {
|
|
|
578 b = ngx_create_temp_buf(r->pool,
|
|
|
579 ctx->saved + (ctx->copy_end - ctx->copy_start));
|
|
|
580
|
|
|
581 if (b == NULL) {
|
|
|
582 return NGX_ERROR;
|
|
|
583 }
|
|
|
584
|
|
|
585 if (ctx->saved) {
|
|
|
586 b->last = ngx_cpymem(b->pos, ngx_http_ssi_string,
|
|
|
587 ctx->saved);
|
|
|
588 }
|
|
|
589
|
|
|
590 b->last = ngx_cpymem(b->last, ctx->copy_start,
|
|
|
591 ctx->copy_end - ctx->copy_start);
|
|
|
592
|
|
|
593 cl = ngx_alloc_chain_link(r->pool);
|
|
|
594 if (cl == NULL) {
|
|
|
595 return NGX_ERROR;
|
|
|
596 }
|
|
|
597
|
|
|
598 cl->buf = b;
|
|
|
599 cl->next = NULL;
|
|
|
600
|
|
|
601 b = NULL;
|
|
|
602
|
|
|
603 mctx = ngx_http_get_module_ctx(r->main,
|
|
|
604 ngx_http_ssi_filter_module);
|
|
|
605 bl = mctx->blocks->elts;
|
|
|
606 for (ll = &bl[mctx->blocks->nelts - 1].bufs;
|
|
|
607 *ll;
|
|
|
608 ll = &(*ll)->next)
|
|
|
609 {
|
|
|
610 /* void */
|
|
|
611 }
|
|
|
612
|
|
|
613 *ll = cl;
|
|
|
614 }
|
|
|
615
|
|
46
|
616 ctx->saved = 0;
|
|
|
617 }
|
|
|
618 }
|
|
|
619
|
|
|
620 if (ctx->state == ssi_start_state) {
|
|
|
621 ctx->copy_start = ctx->pos;
|
|
|
622 ctx->copy_end = ctx->pos;
|
|
|
623
|
|
|
624 } else {
|
|
|
625 ctx->copy_start = NULL;
|
|
|
626 ctx->copy_end = NULL;
|
|
|
627 }
|
|
|
628
|
|
|
629 if (rc == NGX_AGAIN) {
|
|
|
630 continue;
|
|
|
631 }
|
|
|
632
|
|
|
633
|
|
122
|
634 b = NULL;
|
|
|
635
|
|
46
|
636 if (rc == NGX_OK) {
|
|
|
637
|
|
146
|
638 smcf = ngx_http_get_module_main_conf(r,
|
|
|
639 ngx_http_ssi_filter_module);
|
|
|
640
|
|
|
641 cmd = ngx_hash_find(&smcf->hash, ctx->key, ctx->command.data,
|
|
|
642 ctx->command.len);
|
|
|
643
|
|
|
644 if (cmd == NULL) {
|
|
|
645 if (ctx->output) {
|
|
|
646 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
647 "invalid SSI command: \"%V\"",
|
|
|
648 &ctx->command);
|
|
|
649 goto ssi_error;
|
|
46
|
650 }
|
|
|
651
|
|
146
|
652 continue;
|
|
46
|
653 }
|
|
|
654
|
|
178
|
655 if (cmd->conditional
|
|
|
656 && (ctx->conditional == 0
|
|
|
657 || ctx->conditional > cmd->conditional))
|
|
|
658 {
|
|
|
659 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
660 "invalid context of SSI command: \"%V\"",
|
|
|
661 &ctx->command);
|
|
|
662 goto ssi_error;
|
|
|
663 }
|
|
|
664
|
|
216
|
665 if (!ctx->output && !cmd->block) {
|
|
|
666
|
|
|
667 if (ctx->block) {
|
|
|
668
|
|
|
669 /* reconstruct the SSI command text */
|
|
|
670
|
|
|
671 len = 5 + ctx->command.len + 4;
|
|
|
672
|
|
|
673 param = ctx->params.elts;
|
|
|
674 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
675 len += 1 + param[i].key.len + 2
|
|
|
676 + param[i].value.len + 1;
|
|
|
677 }
|
|
|
678
|
|
|
679 b = ngx_create_temp_buf(r->pool, len);
|
|
|
680
|
|
|
681 if (b == NULL) {
|
|
|
682 return NGX_ERROR;
|
|
|
683 }
|
|
|
684
|
|
|
685 cl = ngx_alloc_chain_link(r->pool);
|
|
|
686 if (cl == NULL) {
|
|
|
687 return NGX_ERROR;
|
|
|
688 }
|
|
|
689
|
|
|
690 cl->buf = b;
|
|
|
691 cl->next = NULL;
|
|
|
692
|
|
|
693 *b->last++ = '<';
|
|
|
694 *b->last++ = '!';
|
|
|
695 *b->last++ = '-';
|
|
|
696 *b->last++ = '-';
|
|
|
697 *b->last++ = '#';
|
|
|
698
|
|
|
699 b->last = ngx_cpymem(b->last, ctx->command.data,
|
|
|
700 ctx->command.len);
|
|
|
701
|
|
|
702 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
703 *b->last++ = ' ';
|
|
|
704 b->last = ngx_cpymem(b->last, param[i].key.data,
|
|
|
705 param[i].key.len);
|
|
|
706 *b->last++ = '=';
|
|
|
707 *b->last++ = '"';
|
|
|
708 b->last = ngx_cpymem(b->last, param[i].value.data,
|
|
|
709 param[i].value.len);
|
|
|
710 *b->last++ = '"';
|
|
|
711 }
|
|
|
712
|
|
|
713 *b->last++ = ' ';
|
|
|
714 *b->last++ = '-';
|
|
|
715 *b->last++ = '-';
|
|
|
716 *b->last++ = '>';
|
|
|
717
|
|
|
718 mctx = ngx_http_get_module_ctx(r->main,
|
|
|
719 ngx_http_ssi_filter_module);
|
|
|
720 bl = mctx->blocks->elts;
|
|
|
721 for (ll = &bl[mctx->blocks->nelts - 1].bufs;
|
|
|
722 *ll;
|
|
|
723 ll = &(*ll)->next)
|
|
|
724 {
|
|
|
725 /* void */
|
|
|
726 }
|
|
|
727
|
|
|
728 *ll = cl;
|
|
|
729
|
|
|
730 b = NULL;
|
|
|
731
|
|
|
732 continue;
|
|
|
733 }
|
|
|
734
|
|
|
735 if (cmd->conditional == 0) {
|
|
|
736 continue;
|
|
|
737 }
|
|
58
|
738 }
|
|
|
739
|
|
146
|
740 if (ctx->params.nelts > NGX_HTTP_SSI_MAX_PARAMS) {
|
|
|
741 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
742 "too many SSI command paramters: \"%V\"",
|
|
|
743 &ctx->command);
|
|
|
744 goto ssi_error;
|
|
|
745 }
|
|
|
746
|
|
46
|
747 ngx_memzero(params,
|
|
148
|
748 (NGX_HTTP_SSI_MAX_PARAMS + 1) * sizeof(ngx_str_t *));
|
|
46
|
749
|
|
|
750 param = ctx->params.elts;
|
|
|
751
|
|
|
752 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
753
|
|
|
754 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
755
|
|
|
756 if (param[i].key.len != prm->name.len
|
|
|
757 || ngx_strncmp(param[i].key.data, prm->name.data,
|
|
|
758 prm->name.len) != 0)
|
|
|
759 {
|
|
|
760 continue;
|
|
|
761 }
|
|
|
762
|
|
146
|
763 if (!prm->multiple) {
|
|
|
764 if (params[prm->index]) {
|
|
|
765 ngx_log_error(NGX_LOG_ERR,
|
|
|
766 r->connection->log, 0,
|
|
|
767 "duplicate \"%V\" parameter "
|
|
|
768 "in \"%V\" SSI command",
|
|
|
769 ¶m[i].key, &ctx->command);
|
|
|
770
|
|
|
771 goto ssi_error;
|
|
|
772 }
|
|
|
773
|
|
|
774 params[prm->index] = ¶m[i].value;
|
|
|
775
|
|
|
776 break;
|
|
46
|
777 }
|
|
|
778
|
|
146
|
779 for (index = prm->index; params[index]; index++) {
|
|
|
780 /* void */
|
|
|
781 }
|
|
|
782
|
|
|
783 params[index] = ¶m[i].value;
|
|
46
|
784
|
|
|
785 break;
|
|
|
786 }
|
|
|
787
|
|
|
788 if (prm->name.len == 0) {
|
|
|
789 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
790 "invalid parameter name: \"%V\" "
|
|
|
791 "in \"%V\" SSI command",
|
|
|
792 ¶m[i].key, &ctx->command);
|
|
|
793
|
|
|
794 goto ssi_error;
|
|
|
795 }
|
|
|
796 }
|
|
|
797
|
|
|
798 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
799 if (prm->mandatory && params[prm->index] == 0) {
|
|
|
800 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
801 "mandatory \"%V\" parameter is absent "
|
|
|
802 "in \"%V\" SSI command",
|
|
|
803 &prm->name, &ctx->command);
|
|
|
804
|
|
|
805 goto ssi_error;
|
|
|
806 }
|
|
|
807 }
|
|
|
808
|
|
314
|
809 if (cmd->flush) {
|
|
|
810
|
|
|
811 if (ctx->out) {
|
|
|
812 rc = ngx_http_ssi_output(r, ctx);
|
|
|
813
|
|
|
814 } else {
|
|
|
815 rc = ngx_http_next_body_filter(r, NULL);
|
|
|
816 }
|
|
58
|
817
|
|
|
818 if (rc == NGX_ERROR) {
|
|
|
819 return NGX_ERROR;
|
|
|
820 }
|
|
|
821 }
|
|
|
822
|
|
118
|
823 rc = cmd->handler(r, ctx, params);
|
|
|
824
|
|
|
825 if (rc == NGX_OK) {
|
|
46
|
826 continue;
|
|
|
827 }
|
|
132
|
828
|
|
248
|
829 if (rc == NGX_DONE || rc == NGX_AGAIN || rc == NGX_ERROR) {
|
|
|
830 return rc;
|
|
132
|
831 }
|
|
46
|
832 }
|
|
|
833
|
|
|
834
|
|
|
835 /* rc == NGX_HTTP_SSI_ERROR */
|
|
|
836
|
|
48
|
837 ssi_error:
|
|
46
|
838
|
|
146
|
839 if (slcf->silent_errors) {
|
|
46
|
840 continue;
|
|
|
841 }
|
|
|
842
|
|
48
|
843 if (ctx->free) {
|
|
|
844 cl = ctx->free;
|
|
|
845 ctx->free = ctx->free->next;
|
|
|
846 b = cl->buf;
|
|
|
847 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
848
|
|
|
849 } else {
|
|
|
850 b = ngx_calloc_buf(r->pool);
|
|
|
851 if (b == NULL) {
|
|
|
852 return NGX_ERROR;
|
|
|
853 }
|
|
|
854
|
|
|
855 cl = ngx_alloc_chain_link(r->pool);
|
|
|
856 if (cl == NULL) {
|
|
|
857 return NGX_ERROR;
|
|
|
858 }
|
|
|
859
|
|
|
860 cl->buf = b;
|
|
46
|
861 }
|
|
|
862
|
|
|
863 b->memory = 1;
|
|
96
|
864 b->pos = ctx->errmsg.data;
|
|
|
865 b->last = ctx->errmsg.data + ctx->errmsg.len;
|
|
46
|
866
|
|
|
867 cl->next = NULL;
|
|
|
868 *ctx->last_out = cl;
|
|
|
869 ctx->last_out = &cl->next;
|
|
|
870
|
|
|
871 continue;
|
|
|
872 }
|
|
|
873
|
|
236
|
874 if (ctx->buf->last_buf || ngx_buf_in_memory(ctx->buf)) {
|
|
48
|
875 if (b == NULL) {
|
|
|
876 if (ctx->free) {
|
|
|
877 cl = ctx->free;
|
|
|
878 ctx->free = ctx->free->next;
|
|
|
879 b = cl->buf;
|
|
|
880 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
881
|
|
|
882 } else {
|
|
|
883 b = ngx_calloc_buf(r->pool);
|
|
|
884 if (b == NULL) {
|
|
|
885 return NGX_ERROR;
|
|
|
886 }
|
|
46
|
887
|
|
48
|
888 cl = ngx_alloc_chain_link(r->pool);
|
|
|
889 if (cl == NULL) {
|
|
|
890 return NGX_ERROR;
|
|
|
891 }
|
|
|
892
|
|
|
893 cl->buf = b;
|
|
|
894 }
|
|
|
895
|
|
58
|
896 b->sync = 1;
|
|
|
897
|
|
48
|
898 cl->next = NULL;
|
|
|
899 *ctx->last_out = cl;
|
|
|
900 ctx->last_out = &cl->next;
|
|
|
901 }
|
|
|
902
|
|
|
903 b->last_buf = ctx->buf->last_buf;
|
|
|
904 b->shadow = ctx->buf;
|
|
58
|
905
|
|
146
|
906 if (slcf->ignore_recycled_buffers == 0) {
|
|
58
|
907 b->recycled = ctx->buf->recycled;
|
|
|
908 }
|
|
46
|
909 }
|
|
|
910
|
|
48
|
911 ctx->buf = NULL;
|
|
|
912
|
|
46
|
913 ctx->saved = ctx->looked;
|
|
|
914 }
|
|
|
915
|
|
48
|
916 if (ctx->out == NULL && ctx->busy == NULL) {
|
|
46
|
917 return NGX_OK;
|
|
|
918 }
|
|
|
919
|
|
58
|
920 return ngx_http_ssi_output(r, ctx);
|
|
|
921 }
|
|
|
922
|
|
|
923
|
|
|
924 static ngx_int_t
|
|
|
925 ngx_http_ssi_output(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
926 {
|
|
|
927 ngx_int_t rc;
|
|
|
928 ngx_buf_t *b;
|
|
|
929 ngx_chain_t *cl;
|
|
|
930
|
|
190
|
931 #if 1
|
|
|
932 b = NULL;
|
|
|
933 for (cl = ctx->out; cl; cl = cl->next) {
|
|
192
|
934 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
935 "ssi out: %p %p", cl->buf, cl->buf->pos);
|
|
190
|
936 if (cl->buf == b) {
|
|
|
937 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
938 "the same buf was used in ssi");
|
|
|
939 ngx_debug_point();
|
|
|
940 return NGX_ERROR;
|
|
|
941 }
|
|
|
942 b = cl->buf;
|
|
|
943 }
|
|
|
944 #endif
|
|
|
945
|
|
46
|
946 rc = ngx_http_next_body_filter(r, ctx->out);
|
|
|
947
|
|
48
|
948 if (ctx->busy == NULL) {
|
|
|
949 ctx->busy = ctx->out;
|
|
|
950
|
|
|
951 } else {
|
|
|
952 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ }
|
|
|
953 cl->next = ctx->out;
|
|
|
954 }
|
|
|
955
|
|
46
|
956 ctx->out = NULL;
|
|
|
957 ctx->last_out = &ctx->out;
|
|
|
958
|
|
48
|
959 while (ctx->busy) {
|
|
|
960
|
|
206
|
961 cl = ctx->busy;
|
|
|
962 b = cl->buf;
|
|
48
|
963
|
|
|
964 if (ngx_buf_size(b) != 0) {
|
|
|
965 break;
|
|
|
966 }
|
|
|
967
|
|
|
968 #if (NGX_HAVE_WRITE_ZEROCOPY)
|
|
|
969 if (b->zerocopy_busy) {
|
|
|
970 break;
|
|
|
971 }
|
|
|
972 #endif
|
|
|
973
|
|
|
974 if (b->shadow) {
|
|
|
975 b->shadow->pos = b->shadow->last;
|
|
|
976 }
|
|
|
977
|
|
|
978 ctx->busy = cl->next;
|
|
194
|
979
|
|
|
980 if (ngx_buf_in_memory(b) || b->in_file) {
|
|
|
981 /* add data bufs only to the free buf chain */
|
|
|
982
|
|
|
983 cl->next = ctx->free;
|
|
|
984 ctx->free = cl;
|
|
|
985 }
|
|
48
|
986 }
|
|
|
987
|
|
254
|
988 if (ctx->in || ctx->buf) {
|
|
|
989 r->buffered |= NGX_HTTP_SSI_BUFFERED;
|
|
|
990
|
|
|
991 } else {
|
|
|
992 r->buffered &= ~NGX_HTTP_SSI_BUFFERED;
|
|
|
993 }
|
|
|
994
|
|
46
|
995 return rc;
|
|
|
996 }
|
|
|
997
|
|
|
998
|
|
|
999 static ngx_int_t
|
|
|
1000 ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
1001 {
|
|
158
|
1002 u_char *p, *value, *last, *copy_end, ch;
|
|
46
|
1003 size_t looked;
|
|
|
1004 ngx_http_ssi_state_e state;
|
|
|
1005
|
|
|
1006 state = ctx->state;
|
|
|
1007 looked = ctx->looked;
|
|
|
1008 last = ctx->buf->last;
|
|
|
1009 copy_end = ctx->copy_end;
|
|
|
1010
|
|
|
1011 for (p = ctx->pos; p < last; p++) {
|
|
|
1012
|
|
|
1013 ch = *p;
|
|
|
1014
|
|
|
1015 if (state == ssi_start_state) {
|
|
|
1016
|
|
|
1017 /* the tight loop */
|
|
|
1018
|
|
48
|
1019 for ( ;; ) {
|
|
|
1020 if (ch == '<') {
|
|
|
1021 copy_end = p;
|
|
|
1022 looked = 1;
|
|
|
1023 state = ssi_tag_state;
|
|
|
1024
|
|
|
1025 goto tag_started;
|
|
46
|
1026 }
|
|
|
1027
|
|
48
|
1028 if (++p == last) {
|
|
|
1029 break;
|
|
|
1030 }
|
|
46
|
1031
|
|
48
|
1032 ch = *p;
|
|
46
|
1033 }
|
|
|
1034
|
|
314
|
1035 ctx->state = state;
|
|
46
|
1036 ctx->pos = p;
|
|
|
1037 ctx->looked = looked;
|
|
|
1038 ctx->copy_end = p;
|
|
|
1039
|
|
|
1040 if (ctx->copy_start == NULL) {
|
|
|
1041 ctx->copy_start = ctx->buf->pos;
|
|
|
1042 }
|
|
|
1043
|
|
|
1044 return NGX_AGAIN;
|
|
|
1045
|
|
48
|
1046 tag_started:
|
|
|
1047
|
|
46
|
1048 continue;
|
|
|
1049 }
|
|
|
1050
|
|
|
1051 switch (state) {
|
|
|
1052
|
|
|
1053 case ssi_start_state:
|
|
|
1054 break;
|
|
|
1055
|
|
|
1056 case ssi_tag_state:
|
|
|
1057 switch (ch) {
|
|
|
1058 case '!':
|
|
|
1059 looked = 2;
|
|
|
1060 state = ssi_comment0_state;
|
|
|
1061 break;
|
|
|
1062
|
|
|
1063 case '<':
|
|
|
1064 copy_end = p;
|
|
|
1065 break;
|
|
|
1066
|
|
|
1067 default:
|
|
|
1068 copy_end = p;
|
|
|
1069 looked = 0;
|
|
|
1070 state = ssi_start_state;
|
|
|
1071 break;
|
|
|
1072 }
|
|
|
1073
|
|
|
1074 break;
|
|
|
1075
|
|
|
1076 case ssi_comment0_state:
|
|
|
1077 switch (ch) {
|
|
|
1078 case '-':
|
|
|
1079 looked = 3;
|
|
|
1080 state = ssi_comment1_state;
|
|
|
1081 break;
|
|
|
1082
|
|
|
1083 case '<':
|
|
|
1084 copy_end = p;
|
|
|
1085 looked = 1;
|
|
|
1086 state = ssi_tag_state;
|
|
|
1087 break;
|
|
|
1088
|
|
|
1089 default:
|
|
|
1090 copy_end = p;
|
|
|
1091 looked = 0;
|
|
|
1092 state = ssi_start_state;
|
|
|
1093 break;
|
|
|
1094 }
|
|
|
1095
|
|
|
1096 break;
|
|
|
1097
|
|
|
1098 case ssi_comment1_state:
|
|
|
1099 switch (ch) {
|
|
|
1100 case '-':
|
|
|
1101 looked = 4;
|
|
|
1102 state = ssi_sharp_state;
|
|
|
1103 break;
|
|
|
1104
|
|
|
1105 case '<':
|
|
|
1106 copy_end = p;
|
|
|
1107 looked = 1;
|
|
|
1108 state = ssi_tag_state;
|
|
|
1109 break;
|
|
|
1110
|
|
|
1111 default:
|
|
|
1112 copy_end = p;
|
|
|
1113 looked = 0;
|
|
|
1114 state = ssi_start_state;
|
|
|
1115 break;
|
|
|
1116 }
|
|
|
1117
|
|
|
1118 break;
|
|
|
1119
|
|
|
1120 case ssi_sharp_state:
|
|
|
1121 switch (ch) {
|
|
|
1122 case '#':
|
|
208
|
1123 if (p - ctx->pos < 4) {
|
|
|
1124 ctx->saved = 0;
|
|
|
1125 }
|
|
46
|
1126 looked = 0;
|
|
|
1127 state = ssi_precommand_state;
|
|
|
1128 break;
|
|
|
1129
|
|
|
1130 case '<':
|
|
|
1131 copy_end = p;
|
|
|
1132 looked = 1;
|
|
|
1133 state = ssi_tag_state;
|
|
|
1134 break;
|
|
|
1135
|
|
|
1136 default:
|
|
|
1137 copy_end = p;
|
|
|
1138 looked = 0;
|
|
|
1139 state = ssi_start_state;
|
|
|
1140 break;
|
|
|
1141 }
|
|
|
1142
|
|
|
1143 break;
|
|
|
1144
|
|
|
1145 case ssi_precommand_state:
|
|
|
1146 switch (ch) {
|
|
|
1147 case ' ':
|
|
|
1148 case CR:
|
|
|
1149 case LF:
|
|
|
1150 case '\t':
|
|
|
1151 break;
|
|
|
1152
|
|
|
1153 default:
|
|
|
1154 ctx->command.len = 1;
|
|
382
|
1155 ctx->command.data = ngx_pnalloc(r->pool,
|
|
|
1156 NGX_HTTP_SSI_COMMAND_LEN);
|
|
46
|
1157 if (ctx->command.data == NULL) {
|
|
|
1158 return NGX_ERROR;
|
|
|
1159 }
|
|
|
1160
|
|
|
1161 ctx->command.data[0] = ch;
|
|
158
|
1162
|
|
146
|
1163 ctx->key = 0;
|
|
|
1164 ctx->key = ngx_hash(ctx->key, ch);
|
|
|
1165
|
|
46
|
1166 ctx->params.nelts = 0;
|
|
178
|
1167
|
|
46
|
1168 state = ssi_command_state;
|
|
|
1169 break;
|
|
|
1170 }
|
|
|
1171
|
|
|
1172 break;
|
|
|
1173
|
|
|
1174 case ssi_command_state:
|
|
|
1175 switch (ch) {
|
|
|
1176 case ' ':
|
|
|
1177 case CR:
|
|
|
1178 case LF:
|
|
|
1179 case '\t':
|
|
|
1180 state = ssi_preparam_state;
|
|
|
1181 break;
|
|
|
1182
|
|
|
1183 case '-':
|
|
|
1184 state = ssi_comment_end0_state;
|
|
|
1185 break;
|
|
|
1186
|
|
|
1187 default:
|
|
|
1188 if (ctx->command.len == NGX_HTTP_SSI_COMMAND_LEN) {
|
|
|
1189 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1190 "the \"%V%c...\" SSI command is too long",
|
|
|
1191 &ctx->command, ch);
|
|
46
|
1192
|
|
|
1193 state = ssi_error_state;
|
|
|
1194 break;
|
|
|
1195 }
|
|
158
|
1196
|
|
|
1197 ctx->command.data[ctx->command.len++] = ch;
|
|
|
1198 ctx->key = ngx_hash(ctx->key, ch);
|
|
46
|
1199 }
|
|
|
1200
|
|
|
1201 break;
|
|
|
1202
|
|
|
1203 case ssi_preparam_state:
|
|
|
1204 switch (ch) {
|
|
|
1205 case ' ':
|
|
|
1206 case CR:
|
|
|
1207 case LF:
|
|
|
1208 case '\t':
|
|
|
1209 break;
|
|
|
1210
|
|
|
1211 case '-':
|
|
|
1212 state = ssi_comment_end0_state;
|
|
|
1213 break;
|
|
|
1214
|
|
|
1215 default:
|
|
48
|
1216 ctx->param = ngx_array_push(&ctx->params);
|
|
|
1217 if (ctx->param == NULL) {
|
|
46
|
1218 return NGX_ERROR;
|
|
|
1219 }
|
|
|
1220
|
|
|
1221 ctx->param->key.len = 1;
|
|
382
|
1222 ctx->param->key.data = ngx_pnalloc(r->pool,
|
|
|
1223 NGX_HTTP_SSI_PARAM_LEN);
|
|
46
|
1224 if (ctx->param->key.data == NULL) {
|
|
|
1225 return NGX_ERROR;
|
|
|
1226 }
|
|
|
1227
|
|
|
1228 ctx->param->key.data[0] = ch;
|
|
|
1229
|
|
|
1230 ctx->param->value.len = 0;
|
|
158
|
1231
|
|
|
1232 if (ctx->value_buf == NULL) {
|
|
382
|
1233 ctx->param->value.data = ngx_pnalloc(r->pool,
|
|
|
1234 ctx->value_len);
|
|
158
|
1235 if (ctx->param->value.data == NULL) {
|
|
|
1236 return NGX_ERROR;
|
|
|
1237 }
|
|
|
1238
|
|
|
1239 } else {
|
|
|
1240 ctx->param->value.data = ctx->value_buf;
|
|
46
|
1241 }
|
|
|
1242
|
|
|
1243 state = ssi_param_state;
|
|
|
1244 break;
|
|
|
1245 }
|
|
|
1246
|
|
|
1247 break;
|
|
|
1248
|
|
|
1249 case ssi_param_state:
|
|
|
1250 switch (ch) {
|
|
|
1251 case ' ':
|
|
|
1252 case CR:
|
|
|
1253 case LF:
|
|
|
1254 case '\t':
|
|
|
1255 state = ssi_preequal_state;
|
|
|
1256 break;
|
|
|
1257
|
|
|
1258 case '=':
|
|
|
1259 state = ssi_prevalue_state;
|
|
|
1260 break;
|
|
|
1261
|
|
|
1262 case '-':
|
|
|
1263 state = ssi_error_end0_state;
|
|
|
1264
|
|
|
1265 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
|
1266 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1267 "invalid \"%V\" parameter in \"%V\" SSI command",
|
|
|
1268 &ctx->param->key, &ctx->command);
|
|
|
1269 break;
|
|
|
1270
|
|
|
1271 default:
|
|
|
1272 if (ctx->param->key.len == NGX_HTTP_SSI_PARAM_LEN) {
|
|
|
1273 state = ssi_error_state;
|
|
|
1274 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1275 "too long \"%V%c...\" parameter in "
|
|
46
|
1276 "\"%V\" SSI command",
|
|
158
|
1277 &ctx->param->key, ch, &ctx->command);
|
|
46
|
1278 break;
|
|
|
1279 }
|
|
158
|
1280
|
|
|
1281 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
46
|
1282 }
|
|
|
1283
|
|
|
1284 break;
|
|
|
1285
|
|
|
1286 case ssi_preequal_state:
|
|
|
1287 switch (ch) {
|
|
|
1288 case ' ':
|
|
|
1289 case CR:
|
|
|
1290 case LF:
|
|
|
1291 case '\t':
|
|
|
1292 break;
|
|
|
1293
|
|
|
1294 case '=':
|
|
|
1295 state = ssi_prevalue_state;
|
|
|
1296 break;
|
|
|
1297
|
|
|
1298 default:
|
|
|
1299 if (ch == '-') {
|
|
|
1300 state = ssi_error_end0_state;
|
|
|
1301 } else {
|
|
|
1302 state = ssi_error_state;
|
|
|
1303 }
|
|
|
1304
|
|
|
1305 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1306 "unexpected \"%c\" symbol after \"%V\" "
|
|
|
1307 "parameter in \"%V\" SSI command",
|
|
|
1308 ch, &ctx->param->key, &ctx->command);
|
|
|
1309 break;
|
|
|
1310 }
|
|
|
1311
|
|
|
1312 break;
|
|
|
1313
|
|
|
1314 case ssi_prevalue_state:
|
|
|
1315 switch (ch) {
|
|
|
1316 case ' ':
|
|
|
1317 case CR:
|
|
|
1318 case LF:
|
|
|
1319 case '\t':
|
|
|
1320 break;
|
|
|
1321
|
|
|
1322 case '"':
|
|
|
1323 state = ssi_double_quoted_value_state;
|
|
|
1324 break;
|
|
|
1325
|
|
|
1326 case '\'':
|
|
|
1327 state = ssi_quoted_value_state;
|
|
|
1328 break;
|
|
|
1329
|
|
|
1330 default:
|
|
|
1331 if (ch == '-') {
|
|
|
1332 state = ssi_error_end0_state;
|
|
|
1333 } else {
|
|
|
1334 state = ssi_error_state;
|
|
|
1335 }
|
|
|
1336
|
|
|
1337 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1338 "unexpected \"%c\" symbol before value of "
|
|
|
1339 "\"%V\" parameter in \"%V\" SSI command",
|
|
|
1340 ch, &ctx->param->key, &ctx->command);
|
|
|
1341 break;
|
|
|
1342 }
|
|
|
1343
|
|
|
1344 break;
|
|
|
1345
|
|
|
1346 case ssi_double_quoted_value_state:
|
|
|
1347 switch (ch) {
|
|
108
|
1348 case '"':
|
|
|
1349 state = ssi_postparam_state;
|
|
|
1350 break;
|
|
|
1351
|
|
46
|
1352 case '\\':
|
|
|
1353 ctx->saved_state = ssi_double_quoted_value_state;
|
|
|
1354 state = ssi_quoted_symbol_state;
|
|
108
|
1355
|
|
|
1356 /* fall through */
|
|
46
|
1357
|
|
|
1358 default:
|
|
|
1359 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1360 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1361 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1362 "parameter in \"%V\" SSI command",
|
|
|
1363 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1364 &ctx->command);
|
|
|
1365 state = ssi_error_state;
|
|
|
1366 break;
|
|
|
1367 }
|
|
158
|
1368
|
|
|
1369 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1370 }
|
|
|
1371
|
|
|
1372 break;
|
|
|
1373
|
|
|
1374 case ssi_quoted_value_state:
|
|
|
1375 switch (ch) {
|
|
108
|
1376 case '\'':
|
|
|
1377 state = ssi_postparam_state;
|
|
|
1378 break;
|
|
|
1379
|
|
46
|
1380 case '\\':
|
|
|
1381 ctx->saved_state = ssi_quoted_value_state;
|
|
|
1382 state = ssi_quoted_symbol_state;
|
|
108
|
1383
|
|
|
1384 /* fall through */
|
|
46
|
1385
|
|
|
1386 default:
|
|
|
1387 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1388 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1389 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1390 "parameter in \"%V\" SSI command",
|
|
|
1391 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1392 &ctx->command);
|
|
|
1393 state = ssi_error_state;
|
|
|
1394 break;
|
|
|
1395 }
|
|
158
|
1396
|
|
|
1397 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1398 }
|
|
|
1399
|
|
|
1400 break;
|
|
|
1401
|
|
|
1402 case ssi_quoted_symbol_state:
|
|
108
|
1403 state = ctx->saved_state;
|
|
|
1404
|
|
46
|
1405 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
|
1406
|
|
|
1407 break;
|
|
|
1408
|
|
|
1409 case ssi_postparam_state:
|
|
158
|
1410
|
|
200
|
1411 if (ctx->param->value.len + 1 < ctx->value_len / 2) {
|
|
382
|
1412 value = ngx_pnalloc(r->pool, ctx->param->value.len + 1);
|
|
158
|
1413 if (value == NULL) {
|
|
|
1414 return NGX_ERROR;
|
|
|
1415 }
|
|
|
1416
|
|
|
1417 ngx_memcpy(value, ctx->param->value.data,
|
|
|
1418 ctx->param->value.len);
|
|
|
1419
|
|
|
1420 ctx->value_buf = ctx->param->value.data;
|
|
|
1421 ctx->param->value.data = value;
|
|
|
1422
|
|
|
1423 } else {
|
|
|
1424 ctx->value_buf = NULL;
|
|
|
1425 }
|
|
|
1426
|
|
46
|
1427 switch (ch) {
|
|
|
1428 case ' ':
|
|
|
1429 case CR:
|
|
|
1430 case LF:
|
|
|
1431 case '\t':
|
|
|
1432 state = ssi_preparam_state;
|
|
|
1433 break;
|
|
|
1434
|
|
|
1435 case '-':
|
|
|
1436 state = ssi_comment_end0_state;
|
|
|
1437 break;
|
|
|
1438
|
|
|
1439 default:
|
|
|
1440 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1441 "unexpected \"%c\" symbol after \"%V\" value "
|
|
|
1442 "of \"%V\" parameter in \"%V\" SSI command",
|
|
|
1443 ch, &ctx->param->value, &ctx->param->key,
|
|
|
1444 &ctx->command);
|
|
|
1445 state = ssi_error_state;
|
|
|
1446 break;
|
|
|
1447 }
|
|
|
1448
|
|
|
1449 break;
|
|
|
1450
|
|
|
1451 case ssi_comment_end0_state:
|
|
|
1452 switch (ch) {
|
|
|
1453 case '-':
|
|
|
1454 state = ssi_comment_end1_state;
|
|
|
1455 break;
|
|
|
1456
|
|
|
1457 default:
|
|
|
1458 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1459 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1460 ch, &ctx->command);
|
|
|
1461 state = ssi_error_state;
|
|
|
1462 break;
|
|
|
1463 }
|
|
|
1464
|
|
|
1465 break;
|
|
|
1466
|
|
|
1467 case ssi_comment_end1_state:
|
|
|
1468 switch (ch) {
|
|
|
1469 case '>':
|
|
|
1470 ctx->state = ssi_start_state;
|
|
|
1471 ctx->pos = p + 1;
|
|
|
1472 ctx->looked = looked;
|
|
|
1473 ctx->copy_end = copy_end;
|
|
|
1474
|
|
|
1475 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1476 ctx->copy_start = ctx->buf->pos;
|
|
|
1477 }
|
|
|
1478
|
|
|
1479 return NGX_OK;
|
|
|
1480
|
|
|
1481 default:
|
|
|
1482 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1483 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1484 ch, &ctx->command);
|
|
|
1485 state = ssi_error_state;
|
|
|
1486 break;
|
|
|
1487 }
|
|
|
1488
|
|
|
1489 break;
|
|
|
1490
|
|
|
1491 case ssi_error_state:
|
|
|
1492 switch (ch) {
|
|
|
1493 case '-':
|
|
|
1494 state = ssi_error_end0_state;
|
|
|
1495 break;
|
|
|
1496
|
|
|
1497 default:
|
|
|
1498 break;
|
|
|
1499 }
|
|
|
1500
|
|
|
1501 break;
|
|
|
1502
|
|
|
1503 case ssi_error_end0_state:
|
|
|
1504 switch (ch) {
|
|
|
1505 case '-':
|
|
|
1506 state = ssi_error_end1_state;
|
|
|
1507 break;
|
|
|
1508
|
|
|
1509 default:
|
|
|
1510 state = ssi_error_state;
|
|
|
1511 break;
|
|
|
1512 }
|
|
|
1513
|
|
|
1514 break;
|
|
|
1515
|
|
|
1516 case ssi_error_end1_state:
|
|
|
1517 switch (ch) {
|
|
|
1518 case '>':
|
|
|
1519 ctx->state = ssi_start_state;
|
|
|
1520 ctx->pos = p + 1;
|
|
|
1521 ctx->looked = looked;
|
|
|
1522 ctx->copy_end = copy_end;
|
|
|
1523
|
|
|
1524 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1525 ctx->copy_start = ctx->buf->pos;
|
|
|
1526 }
|
|
|
1527
|
|
|
1528 return NGX_HTTP_SSI_ERROR;
|
|
|
1529
|
|
|
1530 default:
|
|
|
1531 state = ssi_error_state;
|
|
|
1532 break;
|
|
|
1533 }
|
|
|
1534
|
|
|
1535 break;
|
|
|
1536 }
|
|
|
1537 }
|
|
|
1538
|
|
|
1539 ctx->state = state;
|
|
|
1540 ctx->pos = p;
|
|
|
1541 ctx->looked = looked;
|
|
|
1542
|
|
|
1543 ctx->copy_end = (state == ssi_start_state) ? p : copy_end;
|
|
|
1544
|
|
|
1545 if (ctx->copy_start == NULL && ctx->copy_end) {
|
|
|
1546 ctx->copy_start = ctx->buf->pos;
|
|
|
1547 }
|
|
|
1548
|
|
|
1549 return NGX_AGAIN;
|
|
|
1550 }
|
|
|
1551
|
|
|
1552
|
|
102
|
1553 static ngx_str_t *
|
|
160
|
1554 ngx_http_ssi_get_variable(ngx_http_request_t *r, ngx_str_t *name,
|
|
|
1555 ngx_uint_t key)
|
|
102
|
1556 {
|
|
|
1557 ngx_uint_t i;
|
|
248
|
1558 ngx_list_part_t *part;
|
|
102
|
1559 ngx_http_ssi_var_t *var;
|
|
|
1560 ngx_http_ssi_ctx_t *ctx;
|
|
|
1561
|
|
|
1562 ctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
1563
|
|
216
|
1564 if (ctx->variables == NULL) {
|
|
|
1565 return NULL;
|
|
|
1566 }
|
|
|
1567
|
|
248
|
1568 part = &ctx->variables->part;
|
|
|
1569 var = part->elts;
|
|
|
1570
|
|
|
1571 for (i = 0; /* void */ ; i++) {
|
|
|
1572
|
|
|
1573 if (i >= part->nelts) {
|
|
|
1574 if (part->next == NULL) {
|
|
|
1575 break;
|
|
|
1576 }
|
|
250
|
1577
|
|
248
|
1578 part = part->next;
|
|
|
1579 var = part->elts;
|
|
|
1580 i = 0;
|
|
|
1581 }
|
|
|
1582
|
|
102
|
1583 if (name->len != var[i].name.len) {
|
|
|
1584 continue;
|
|
|
1585 }
|
|
|
1586
|
|
160
|
1587 if (key != var[i].key) {
|
|
|
1588 continue;
|
|
|
1589 }
|
|
|
1590
|
|
|
1591 if (ngx_strncmp(name->data, var[i].name.data, name->len) == 0) {
|
|
102
|
1592 return &var[i].value;
|
|
|
1593 }
|
|
|
1594 }
|
|
|
1595
|
|
|
1596 return NULL;
|
|
|
1597 }
|
|
|
1598
|
|
|
1599
|
|
|
1600 static ngx_int_t
|
|
|
1601 ngx_http_ssi_evaluate_string(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1602 ngx_str_t *text, ngx_uint_t flags)
|
|
|
1603 {
|
|
122
|
1604 u_char ch, *p, **value, *data, *part_data;
|
|
|
1605 size_t *size, len, prefix, part_len;
|
|
|
1606 ngx_str_t var, *val;
|
|
160
|
1607 ngx_int_t key;
|
|
200
|
1608 ngx_uint_t i, j, n, bracket, quoted;
|
|
102
|
1609 ngx_array_t lengths, values;
|
|
|
1610 ngx_http_variable_value_t *vv;
|
|
|
1611
|
|
|
1612 n = ngx_http_script_variables_count(text);
|
|
|
1613
|
|
|
1614 if (n == 0) {
|
|
|
1615
|
|
206
|
1616 data = text->data;
|
|
|
1617 p = data;
|
|
|
1618
|
|
|
1619 if ((flags & NGX_HTTP_SSI_ADD_PREFIX) && text->data[0] != '/') {
|
|
|
1620
|
|
102
|
1621 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1622 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1623 break;
|
|
|
1624 }
|
|
|
1625 }
|
|
|
1626
|
|
|
1627 if (prefix) {
|
|
|
1628 len = prefix + text->len;
|
|
|
1629
|
|
382
|
1630 data = ngx_pnalloc(r->pool, len);
|
|
102
|
1631 if (data == NULL) {
|
|
|
1632 return NGX_ERROR;
|
|
|
1633 }
|
|
|
1634
|
|
122
|
1635 p = ngx_copy(data, r->uri.data, prefix);
|
|
102
|
1636 }
|
|
|
1637 }
|
|
|
1638
|
|
206
|
1639 quoted = 0;
|
|
|
1640
|
|
378
|
1641 for (i = 0; i < text->len; i++) {
|
|
206
|
1642 ch = text->data[i];
|
|
|
1643
|
|
|
1644 if (!quoted) {
|
|
|
1645
|
|
|
1646 if (ch == '\\') {
|
|
|
1647 quoted = 1;
|
|
|
1648 continue;
|
|
|
1649 }
|
|
|
1650
|
|
|
1651 } else {
|
|
|
1652 quoted = 0;
|
|
|
1653
|
|
|
1654 if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') {
|
|
|
1655 *p++ = '\\';
|
|
|
1656 }
|
|
|
1657 }
|
|
|
1658
|
|
|
1659 *p++ = ch;
|
|
|
1660 }
|
|
|
1661
|
|
|
1662 text->len = p - data;
|
|
|
1663 text->data = data;
|
|
|
1664
|
|
102
|
1665 return NGX_OK;
|
|
|
1666 }
|
|
|
1667
|
|
|
1668 if (ngx_array_init(&lengths, r->pool, 8, sizeof(size_t *)) != NGX_OK) {
|
|
|
1669 return NGX_ERROR;
|
|
|
1670 }
|
|
|
1671
|
|
|
1672 if (ngx_array_init(&values, r->pool, 8, sizeof(u_char *)) != NGX_OK) {
|
|
|
1673 return NGX_ERROR;
|
|
|
1674 }
|
|
|
1675
|
|
|
1676 len = 0;
|
|
|
1677 i = 0;
|
|
|
1678
|
|
|
1679 while (i < text->len) {
|
|
|
1680
|
|
|
1681 if (text->data[i] == '$') {
|
|
|
1682
|
|
|
1683 var.len = 0;
|
|
|
1684
|
|
|
1685 if (++i == text->len) {
|
|
|
1686 goto invalid_variable;
|
|
|
1687 }
|
|
|
1688
|
|
|
1689 if (text->data[i] == '{') {
|
|
|
1690 bracket = 1;
|
|
|
1691
|
|
|
1692 if (++i == text->len) {
|
|
|
1693 goto invalid_variable;
|
|
|
1694 }
|
|
|
1695
|
|
|
1696 var.data = &text->data[i];
|
|
|
1697
|
|
|
1698 } else {
|
|
|
1699 bracket = 0;
|
|
|
1700 var.data = &text->data[i];
|
|
|
1701 }
|
|
|
1702
|
|
|
1703 for ( /* void */ ; i < text->len; i++, var.len++) {
|
|
|
1704 ch = text->data[i];
|
|
|
1705
|
|
|
1706 if (ch == '}' && bracket) {
|
|
|
1707 i++;
|
|
|
1708 bracket = 0;
|
|
|
1709 break;
|
|
|
1710 }
|
|
|
1711
|
|
|
1712 if ((ch >= 'A' && ch <= 'Z')
|
|
|
1713 || (ch >= 'a' && ch <= 'z')
|
|
|
1714 || (ch >= '0' && ch <= '9')
|
|
|
1715 || ch == '_')
|
|
|
1716 {
|
|
|
1717 continue;
|
|
|
1718 }
|
|
|
1719
|
|
|
1720 break;
|
|
|
1721 }
|
|
|
1722
|
|
|
1723 if (bracket) {
|
|
|
1724 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1725 "the closing bracket in \"%V\" "
|
|
|
1726 "variable is missing", &var);
|
|
248
|
1727 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1728 }
|
|
|
1729
|
|
126
|
1730 if (var.len == 0) {
|
|
102
|
1731 goto invalid_variable;
|
|
|
1732 }
|
|
|
1733
|
|
160
|
1734 key = 0;
|
|
|
1735
|
|
102
|
1736 for (j = 0; j < var.len; j++) {
|
|
|
1737 var.data[j] = ngx_tolower(var.data[j]);
|
|
160
|
1738 key = ngx_hash(key, var.data[j]);
|
|
102
|
1739 }
|
|
|
1740
|
|
160
|
1741 val = ngx_http_ssi_get_variable(r, &var, key);
|
|
102
|
1742
|
|
|
1743 if (val == NULL) {
|
|
184
|
1744 vv = ngx_http_get_variable(r, &var, key,
|
|
|
1745 flags & NGX_HTTP_SSI_EXPR_TEST);
|
|
102
|
1746 if (vv == NULL) {
|
|
|
1747 return NGX_ERROR;
|
|
|
1748 }
|
|
|
1749
|
|
122
|
1750 if (vv->not_found) {
|
|
102
|
1751 continue;
|
|
|
1752 }
|
|
|
1753
|
|
122
|
1754 part_data = vv->data;
|
|
|
1755 part_len = vv->len;
|
|
102
|
1756
|
|
|
1757 } else {
|
|
122
|
1758 part_data = val->data;
|
|
|
1759 part_len = val->len;
|
|
102
|
1760 }
|
|
|
1761
|
|
|
1762 } else {
|
|
122
|
1763 part_data = &text->data[i];
|
|
200
|
1764 quoted = 0;
|
|
122
|
1765
|
|
|
1766 for (p = part_data; i < text->len; i++) {
|
|
108
|
1767 ch = text->data[i];
|
|
|
1768
|
|
200
|
1769 if (!quoted) {
|
|
|
1770
|
|
|
1771 if (ch == '\\') {
|
|
|
1772 quoted = 1;
|
|
|
1773 continue;
|
|
|
1774 }
|
|
|
1775
|
|
|
1776 if (ch == '$') {
|
|
108
|
1777 break;
|
|
|
1778 }
|
|
|
1779
|
|
200
|
1780 } else {
|
|
|
1781 quoted = 0;
|
|
|
1782
|
|
|
1783 if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') {
|
|
|
1784 *p++ = '\\';
|
|
|
1785 }
|
|
108
|
1786 }
|
|
|
1787
|
|
|
1788 *p++ = ch;
|
|
102
|
1789 }
|
|
108
|
1790
|
|
122
|
1791 part_len = p - part_data;
|
|
102
|
1792 }
|
|
|
1793
|
|
122
|
1794 len += part_len;
|
|
102
|
1795
|
|
|
1796 size = ngx_array_push(&lengths);
|
|
|
1797 if (size == NULL) {
|
|
|
1798 return NGX_ERROR;
|
|
|
1799 }
|
|
|
1800
|
|
122
|
1801 *size = part_len;
|
|
102
|
1802
|
|
|
1803 value = ngx_array_push(&values);
|
|
|
1804 if (value == NULL) {
|
|
|
1805 return NGX_ERROR;
|
|
|
1806 }
|
|
|
1807
|
|
122
|
1808 *value = part_data;
|
|
102
|
1809 }
|
|
|
1810
|
|
|
1811 prefix = 0;
|
|
|
1812
|
|
|
1813 size = lengths.elts;
|
|
|
1814 value = values.elts;
|
|
|
1815
|
|
|
1816 if (flags & NGX_HTTP_SSI_ADD_PREFIX) {
|
|
|
1817 for (i = 0; i < values.nelts; i++) {
|
|
|
1818 if (size[i] != 0) {
|
|
|
1819 if (*value[i] != '/') {
|
|
|
1820 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1821 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1822 len += prefix;
|
|
|
1823 break;
|
|
|
1824 }
|
|
|
1825 }
|
|
|
1826 }
|
|
|
1827
|
|
|
1828 break;
|
|
|
1829 }
|
|
|
1830 }
|
|
|
1831 }
|
|
|
1832
|
|
382
|
1833 p = ngx_pnalloc(r->pool, len + ((flags & NGX_HTTP_SSI_ADD_ZERO) ? 1 : 0));
|
|
102
|
1834 if (p == NULL) {
|
|
|
1835 return NGX_ERROR;
|
|
|
1836 }
|
|
|
1837
|
|
|
1838 text->len = len;
|
|
|
1839 text->data = p;
|
|
|
1840
|
|
122
|
1841 p = ngx_copy(p, r->uri.data, prefix);
|
|
102
|
1842
|
|
|
1843 for (i = 0; i < values.nelts; i++) {
|
|
122
|
1844 p = ngx_copy(p, value[i], size[i]);
|
|
102
|
1845 }
|
|
|
1846
|
|
|
1847 return NGX_OK;
|
|
|
1848
|
|
|
1849 invalid_variable:
|
|
|
1850
|
|
|
1851 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1852 "invalid variable name in \"%V\"", text);
|
|
|
1853
|
|
248
|
1854 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1855 }
|
|
|
1856
|
|
|
1857
|
|
|
1858 static ngx_int_t
|
|
|
1859 ngx_http_ssi_include(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1860 ngx_str_t **params)
|
|
|
1861 {
|
|
342
|
1862 u_char *dst, *src;
|
|
|
1863 size_t len;
|
|
248
|
1864 ngx_int_t rc, key;
|
|
|
1865 ngx_str_t *uri, *file, *wait, *set, *stub, args;
|
|
|
1866 ngx_buf_t *b;
|
|
|
1867 ngx_uint_t flags, i;
|
|
250
|
1868 ngx_chain_t *cl, *tl, **ll, *out;
|
|
248
|
1869 ngx_http_request_t *sr;
|
|
|
1870 ngx_http_ssi_var_t *var;
|
|
|
1871 ngx_http_ssi_ctx_t *mctx;
|
|
|
1872 ngx_http_ssi_block_t *bl;
|
|
|
1873 ngx_http_post_subrequest_t *psr;
|
|
102
|
1874
|
|
|
1875 uri = params[NGX_HTTP_SSI_INCLUDE_VIRTUAL];
|
|
|
1876 file = params[NGX_HTTP_SSI_INCLUDE_FILE];
|
|
194
|
1877 wait = params[NGX_HTTP_SSI_INCLUDE_WAIT];
|
|
248
|
1878 set = params[NGX_HTTP_SSI_INCLUDE_SET];
|
|
216
|
1879 stub = params[NGX_HTTP_SSI_INCLUDE_STUB];
|
|
102
|
1880
|
|
|
1881 if (uri && file) {
|
|
|
1882 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1883 "inlcusion may be either virtual=\"%V\" or file=\"%V\"",
|
|
|
1884 uri, file);
|
|
|
1885 return NGX_HTTP_SSI_ERROR;
|
|
|
1886 }
|
|
|
1887
|
|
|
1888 if (uri == NULL && file == NULL) {
|
|
|
1889 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1890 "no parameter in \"include\" SSI command");
|
|
|
1891 return NGX_HTTP_SSI_ERROR;
|
|
|
1892 }
|
|
|
1893
|
|
248
|
1894 if (set && stub) {
|
|
|
1895 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1896 "\"set\" and \"stub\" may not be used together "
|
|
|
1897 "in \"include\" SSI command");
|
|
|
1898 return NGX_HTTP_SSI_ERROR;
|
|
|
1899 }
|
|
|
1900
|
|
194
|
1901 if (wait) {
|
|
|
1902 if (uri == NULL) {
|
|
|
1903 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
216
|
1904 "\"wait\" may not be used with file=\"%V\"", file);
|
|
194
|
1905 return NGX_HTTP_SSI_ERROR;
|
|
|
1906 }
|
|
|
1907
|
|
286
|
1908 if (wait->len == 2
|
|
|
1909 && ngx_strncasecmp(wait->data, (u_char *) "no", 2) == 0)
|
|
|
1910 {
|
|
194
|
1911 wait = NULL;
|
|
|
1912
|
|
286
|
1913 } else if (wait->len != 3
|
|
|
1914 || ngx_strncasecmp(wait->data, (u_char *) "yes", 3) != 0)
|
|
194
|
1915 {
|
|
|
1916 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1917 "invalid value \"%V\" in the \"wait\" parameter",
|
|
216
|
1918 wait);
|
|
194
|
1919 return NGX_HTTP_SSI_ERROR;
|
|
|
1920 }
|
|
|
1921 }
|
|
|
1922
|
|
102
|
1923 if (uri == NULL) {
|
|
|
1924 uri = file;
|
|
|
1925 }
|
|
|
1926
|
|
248
|
1927 rc = ngx_http_ssi_evaluate_string(r, ctx, uri, NGX_HTTP_SSI_ADD_PREFIX);
|
|
|
1928
|
|
|
1929 if (rc != NGX_OK) {
|
|
|
1930 return rc;
|
|
102
|
1931 }
|
|
|
1932
|
|
342
|
1933 dst = uri->data;
|
|
|
1934 src = uri->data;
|
|
|
1935
|
|
|
1936 ngx_unescape_uri(&dst, &src, uri->len, NGX_UNESCAPE_URI);
|
|
|
1937
|
|
|
1938 len = (uri->data + uri->len) - src;
|
|
|
1939 if (len) {
|
|
|
1940 dst = ngx_copy(dst, src, len);
|
|
|
1941 }
|
|
|
1942
|
|
|
1943 uri->len = dst - uri->data;
|
|
|
1944
|
|
|
1945 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1946 "ssi include: \"%V\"", uri);
|
|
|
1947
|
|
102
|
1948 args.len = 0;
|
|
|
1949 args.data = NULL;
|
|
122
|
1950 flags = 0;
|
|
|
1951
|
|
|
1952 if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) {
|
|
|
1953 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1954 }
|
|
|
1955
|
|
248
|
1956 psr = NULL;
|
|
|
1957
|
|
|
1958 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
216
|
1959
|
|
|
1960 if (stub) {
|
|
|
1961 if (mctx->blocks) {
|
|
|
1962 bl = mctx->blocks->elts;
|
|
|
1963 for (i = 0; i < mctx->blocks->nelts; i++) {
|
|
|
1964 if (stub->len == bl[i].name.len
|
|
|
1965 && ngx_strncmp(stub->data, bl[i].name.data, stub->len) == 0)
|
|
|
1966 {
|
|
|
1967 goto found;
|
|
|
1968 }
|
|
|
1969 }
|
|
|
1970 }
|
|
|
1971
|
|
|
1972 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1973 "\"stub\"=\"%V\" for \"include\" not found", stub);
|
|
|
1974 return NGX_HTTP_SSI_ERROR;
|
|
|
1975
|
|
|
1976 found:
|
|
|
1977
|
|
248
|
1978 psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t));
|
|
|
1979 if (psr == NULL) {
|
|
|
1980 return NGX_ERROR;
|
|
|
1981 }
|
|
|
1982
|
|
|
1983 psr->handler = ngx_http_ssi_stub_output;
|
|
|
1984
|
|
216
|
1985 if (bl[i].count++) {
|
|
|
1986
|
|
366
|
1987 out = NULL;
|
|
250
|
1988 ll = &out;
|
|
216
|
1989
|
|
|
1990 for (tl = bl[i].bufs; tl; tl = tl->next) {
|
|
|
1991
|
|
|
1992 if (ctx->free) {
|
|
|
1993 cl = ctx->free;
|
|
|
1994 ctx->free = ctx->free->next;
|
|
|
1995 b = cl->buf;
|
|
|
1996
|
|
|
1997 } else {
|
|
|
1998 b = ngx_alloc_buf(r->pool);
|
|
|
1999 if (b == NULL) {
|
|
|
2000 return NGX_ERROR;
|
|
|
2001 }
|
|
|
2002
|
|
|
2003 cl = ngx_alloc_chain_link(r->pool);
|
|
|
2004 if (cl == NULL) {
|
|
|
2005 return NGX_ERROR;
|
|
|
2006 }
|
|
|
2007
|
|
|
2008 cl->buf = b;
|
|
|
2009 }
|
|
|
2010
|
|
|
2011 ngx_memcpy(b, tl->buf, sizeof(ngx_buf_t));
|
|
|
2012
|
|
|
2013 b->pos = b->start;
|
|
|
2014
|
|
|
2015 *ll = cl;
|
|
|
2016 cl->next = NULL;
|
|
|
2017 ll = &cl->next;
|
|
|
2018 }
|
|
|
2019
|
|
250
|
2020 psr->data = out;
|
|
|
2021
|
|
216
|
2022 } else {
|
|
248
|
2023 psr->data = bl[i].bufs;
|
|
216
|
2024 }
|
|
|
2025 }
|
|
|
2026
|
|
248
|
2027 if (set) {
|
|
|
2028 key = 0;
|
|
|
2029
|
|
|
2030 for (i = 0; i < set->len; i++) {
|
|
|
2031 set->data[i] = ngx_tolower(set->data[i]);
|
|
|
2032 key = ngx_hash(key, set->data[i]);
|
|
|
2033 }
|
|
|
2034
|
|
|
2035 psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t));
|
|
|
2036 if (psr == NULL) {
|
|
|
2037 return NGX_ERROR;
|
|
|
2038 }
|
|
|
2039
|
|
|
2040 psr->handler = ngx_http_ssi_set_variable;
|
|
|
2041 psr->data = ngx_http_ssi_get_variable(r, set, key);
|
|
|
2042
|
|
|
2043 if (psr->data == NULL) {
|
|
|
2044
|
|
|
2045 if (mctx->variables == NULL) {
|
|
|
2046 mctx->variables = ngx_list_create(r->pool, 4,
|
|
|
2047 sizeof(ngx_http_ssi_var_t));
|
|
|
2048 if (mctx->variables == NULL) {
|
|
|
2049 return NGX_ERROR;
|
|
|
2050 }
|
|
|
2051 }
|
|
|
2052
|
|
|
2053 var = ngx_list_push(mctx->variables);
|
|
|
2054 if (var == NULL) {
|
|
|
2055 return NGX_ERROR;
|
|
|
2056 }
|
|
|
2057
|
|
|
2058 var->name = *set;
|
|
|
2059 var->key = key;
|
|
|
2060 var->value = ngx_http_ssi_null_string;
|
|
|
2061 psr->data = &var->value;
|
|
|
2062 }
|
|
|
2063
|
|
|
2064 flags |= NGX_HTTP_SUBREQUEST_IN_MEMORY;
|
|
|
2065 }
|
|
|
2066
|
|
|
2067 rc = ngx_http_subrequest(r, uri, &args, &sr, psr, flags);
|
|
|
2068
|
|
|
2069 if (rc == NGX_DONE) {
|
|
|
2070 return NGX_DONE;
|
|
|
2071 }
|
|
194
|
2072
|
|
|
2073 if (rc == NGX_ERROR) {
|
|
102
|
2074 return NGX_HTTP_SSI_ERROR;
|
|
|
2075 }
|
|
|
2076
|
|
248
|
2077 if (wait == NULL && set == NULL) {
|
|
194
|
2078 return NGX_OK;
|
|
|
2079 }
|
|
|
2080
|
|
|
2081 if (rc == NGX_AGAIN) {
|
|
244
|
2082 if (ctx->wait == NULL) {
|
|
|
2083 ctx->wait = sr;
|
|
|
2084
|
|
|
2085 } else {
|
|
|
2086 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2087 "only one subrequest may be waited at the same time");
|
|
|
2088 }
|
|
194
|
2089 }
|
|
|
2090
|
|
|
2091 return rc;
|
|
102
|
2092 }
|
|
|
2093
|
|
|
2094
|
|
46
|
2095 static ngx_int_t
|
|
248
|
2096 ngx_http_ssi_stub_output(ngx_http_request_t *r, void *data, ngx_int_t rc)
|
|
|
2097 {
|
|
|
2098 ngx_chain_t *out;
|
|
|
2099
|
|
|
2100 if (rc == NGX_ERROR || r->connection->error || r->request_output) {
|
|
|
2101 return rc;
|
|
|
2102 }
|
|
|
2103
|
|
|
2104 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2105 "ssi stub output: \"%V?%V\"", &r->uri, &r->args);
|
|
|
2106
|
|
|
2107 out = data;
|
|
|
2108
|
|
|
2109 if (!r->header_sent) {
|
|
|
2110 if (ngx_http_set_content_type(r) == NGX_ERROR) {
|
|
|
2111 return NGX_ERROR;
|
|
|
2112 }
|
|
|
2113
|
|
|
2114 if (ngx_http_send_header(r) == NGX_ERROR) {
|
|
|
2115 return NGX_ERROR;
|
|
|
2116 }
|
|
|
2117 }
|
|
|
2118
|
|
|
2119 return ngx_http_output_filter(r, out);
|
|
|
2120 }
|
|
|
2121
|
|
|
2122
|
|
|
2123 static ngx_int_t
|
|
|
2124 ngx_http_ssi_set_variable(ngx_http_request_t *r, void *data, ngx_int_t rc)
|
|
|
2125 {
|
|
|
2126 ngx_str_t *value = data;
|
|
|
2127
|
|
|
2128 if (r->upstream) {
|
|
|
2129 value->len = r->upstream->buffer.last - r->upstream->buffer.pos;
|
|
|
2130 value->data = r->upstream->buffer.pos;
|
|
|
2131 }
|
|
|
2132
|
|
|
2133 return rc;
|
|
|
2134 }
|
|
|
2135
|
|
|
2136
|
|
|
2137 static ngx_int_t
|
|
46
|
2138 ngx_http_ssi_echo(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2139 ngx_str_t **params)
|
|
|
2140 {
|
|
340
|
2141 u_char *p;
|
|
|
2142 uintptr_t len;
|
|
160
|
2143 ngx_int_t key;
|
|
50
|
2144 ngx_uint_t i;
|
|
48
|
2145 ngx_buf_t *b;
|
|
340
|
2146 ngx_str_t *var, *value, *enc, text;
|
|
48
|
2147 ngx_chain_t *cl;
|
|
50
|
2148 ngx_http_variable_value_t *vv;
|
|
46
|
2149
|
|
|
2150 var = params[NGX_HTTP_SSI_ECHO_VAR];
|
|
|
2151
|
|
192
|
2152 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2153 "ssi echo \"%V\"", var);
|
|
|
2154
|
|
160
|
2155 key = 0;
|
|
|
2156
|
|
|
2157 for (i = 0; i < var->len; i++) {
|
|
|
2158 var->data[i] = ngx_tolower(var->data[i]);
|
|
|
2159 key = ngx_hash(key, var->data[i]);
|
|
|
2160 }
|
|
|
2161
|
|
|
2162 value = ngx_http_ssi_get_variable(r, var, key);
|
|
102
|
2163
|
|
|
2164 if (value == NULL) {
|
|
184
|
2165 vv = ngx_http_get_variable(r, var, key, 1);
|
|
102
|
2166
|
|
|
2167 if (vv == NULL) {
|
|
|
2168 return NGX_HTTP_SSI_ERROR;
|
|
|
2169 }
|
|
|
2170
|
|
122
|
2171 if (!vv->not_found) {
|
|
|
2172 text.data = vv->data;
|
|
|
2173 text.len = vv->len;
|
|
|
2174 value = &text;
|
|
102
|
2175 }
|
|
50
|
2176 }
|
|
46
|
2177
|
|
102
|
2178 if (value == NULL) {
|
|
48
|
2179 value = params[NGX_HTTP_SSI_ECHO_DEFAULT];
|
|
|
2180
|
|
|
2181 if (value == NULL) {
|
|
|
2182 value = &ngx_http_ssi_none;
|
|
|
2183
|
|
|
2184 } else if (value->len == 0) {
|
|
|
2185 return NGX_OK;
|
|
|
2186 }
|
|
|
2187
|
|
|
2188 } else {
|
|
|
2189 if (value->len == 0) {
|
|
|
2190 return NGX_OK;
|
|
|
2191 }
|
|
|
2192 }
|
|
|
2193
|
|
340
|
2194 enc = params[NGX_HTTP_SSI_ECHO_ENCODING];
|
|
|
2195
|
|
|
2196 if (enc) {
|
|
|
2197 if (enc->len == 4 && ngx_strncmp(enc->data, "none", 4) == 0) {
|
|
|
2198
|
|
|
2199 ctx->encoding = NGX_HTTP_SSI_NO_ENCODING;
|
|
|
2200
|
|
|
2201 } else if (enc->len == 3 && ngx_strncmp(enc->data, "url", 3) == 0) {
|
|
|
2202
|
|
|
2203 ctx->encoding = NGX_HTTP_SSI_URL_ENCODING;
|
|
|
2204
|
|
|
2205 } else if (enc->len == 6 && ngx_strncmp(enc->data, "entity", 6) == 0) {
|
|
|
2206
|
|
|
2207 ctx->encoding = NGX_HTTP_SSI_ENTITY_ENCODING;
|
|
|
2208
|
|
|
2209 } else {
|
|
|
2210 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2211 "unknown encoding \"%V\" in the \"echo\" command",
|
|
|
2212 enc);
|
|
|
2213 }
|
|
|
2214 }
|
|
|
2215
|
|
|
2216 switch (ctx->encoding) {
|
|
|
2217
|
|
|
2218 case NGX_HTTP_SSI_NO_ENCODING:
|
|
|
2219 break;
|
|
|
2220
|
|
|
2221 case NGX_HTTP_SSI_URL_ENCODING:
|
|
|
2222 len = 2 * ngx_escape_uri(NULL, value->data, value->len,
|
|
|
2223 NGX_ESCAPE_HTML);
|
|
|
2224
|
|
|
2225 if (len) {
|
|
382
|
2226 p = ngx_pnalloc(r->pool, value->len + len);
|
|
340
|
2227 if (p == NULL) {
|
|
|
2228 return NGX_HTTP_SSI_ERROR;
|
|
|
2229 }
|
|
|
2230
|
|
|
2231 (void) ngx_escape_uri(p, value->data, value->len, NGX_ESCAPE_HTML);
|
|
|
2232
|
|
|
2233 value->len += len;
|
|
|
2234 value->data = p;
|
|
|
2235 }
|
|
|
2236
|
|
|
2237 break;
|
|
|
2238
|
|
|
2239 case NGX_HTTP_SSI_ENTITY_ENCODING:
|
|
|
2240 len = ngx_escape_html(NULL, value->data, value->len);
|
|
|
2241
|
|
|
2242 if (len) {
|
|
382
|
2243 p = ngx_pnalloc(r->pool, value->len + len);
|
|
340
|
2244 if (p == NULL) {
|
|
|
2245 return NGX_HTTP_SSI_ERROR;
|
|
|
2246 }
|
|
|
2247
|
|
|
2248 (void) ngx_escape_html(p, value->data, value->len);
|
|
|
2249
|
|
|
2250 value->len += len;
|
|
|
2251 value->data = p;
|
|
|
2252 }
|
|
|
2253
|
|
|
2254 break;
|
|
|
2255 }
|
|
|
2256
|
|
48
|
2257 b = ngx_calloc_buf(r->pool);
|
|
|
2258 if (b == NULL) {
|
|
|
2259 return NGX_HTTP_SSI_ERROR;
|
|
|
2260 }
|
|
|
2261
|
|
|
2262 cl = ngx_alloc_chain_link(r->pool);
|
|
|
2263 if (cl == NULL) {
|
|
46
|
2264 return NGX_HTTP_SSI_ERROR;
|
|
|
2265 }
|
|
|
2266
|
|
|
2267 b->memory = 1;
|
|
|
2268 b->pos = value->data;
|
|
|
2269 b->last = value->data + value->len;
|
|
|
2270
|
|
|
2271 cl->buf = b;
|
|
|
2272 cl->next = NULL;
|
|
|
2273 *ctx->last_out = cl;
|
|
|
2274 ctx->last_out = &cl->next;
|
|
|
2275
|
|
|
2276 return NGX_OK;
|
|
|
2277 }
|
|
|
2278
|
|
|
2279
|
|
58
|
2280 static ngx_int_t
|
|
|
2281 ngx_http_ssi_config(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2282 ngx_str_t **params)
|
|
|
2283 {
|
|
|
2284 ngx_str_t *value;
|
|
|
2285
|
|
|
2286 value = params[NGX_HTTP_SSI_CONFIG_TIMEFMT];
|
|
|
2287
|
|
|
2288 if (value) {
|
|
138
|
2289 ctx->timefmt.len = value->len;
|
|
382
|
2290 ctx->timefmt.data = ngx_pnalloc(r->pool, value->len + 1);
|
|
138
|
2291 if (ctx->timefmt.data == NULL) {
|
|
|
2292 return NGX_HTTP_SSI_ERROR;
|
|
|
2293 }
|
|
|
2294
|
|
|
2295 ngx_cpystrn(ctx->timefmt.data, value->data, value->len + 1);
|
|
58
|
2296 }
|
|
|
2297
|
|
96
|
2298 value = params[NGX_HTTP_SSI_CONFIG_ERRMSG];
|
|
|
2299
|
|
|
2300 if (value) {
|
|
|
2301 ctx->errmsg = *value;
|
|
|
2302 }
|
|
|
2303
|
|
58
|
2304 return NGX_OK;
|
|
|
2305 }
|
|
|
2306
|
|
|
2307
|
|
|
2308 static ngx_int_t
|
|
102
|
2309 ngx_http_ssi_set(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
58
|
2310 ngx_str_t **params)
|
|
|
2311 {
|
|
248
|
2312 ngx_int_t key, rc;
|
|
160
|
2313 ngx_uint_t i;
|
|
102
|
2314 ngx_str_t *name, *value, *vv;
|
|
|
2315 ngx_http_ssi_var_t *var;
|
|
|
2316 ngx_http_ssi_ctx_t *mctx;
|
|
|
2317
|
|
|
2318 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
2319
|
|
216
|
2320 if (mctx->variables == NULL) {
|
|
248
|
2321 mctx->variables = ngx_list_create(r->pool, 4,
|
|
|
2322 sizeof(ngx_http_ssi_var_t));
|
|
216
|
2323 if (mctx->variables == NULL) {
|
|
248
|
2324 return NGX_ERROR;
|
|
58
|
2325 }
|
|
|
2326 }
|
|
|
2327
|
|
102
|
2328 name = params[NGX_HTTP_SSI_SET_VAR];
|
|
|
2329 value = params[NGX_HTTP_SSI_SET_VALUE];
|
|
|
2330
|
|
192
|
2331 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2332 "ssi set \"%V\" \"%V\"", name, value);
|
|
|
2333
|
|
248
|
2334 rc = ngx_http_ssi_evaluate_string(r, ctx, value, 0);
|
|
|
2335
|
|
|
2336 if (rc != NGX_OK) {
|
|
|
2337 return rc;
|
|
58
|
2338 }
|
|
|
2339
|
|
160
|
2340 key = 0;
|
|
|
2341
|
|
|
2342 for (i = 0; i < name->len; i++) {
|
|
|
2343 name->data[i] = ngx_tolower(name->data[i]);
|
|
|
2344 key = ngx_hash(key, name->data[i]);
|
|
|
2345 }
|
|
|
2346
|
|
|
2347 vv = ngx_http_ssi_get_variable(r, name, key);
|
|
102
|
2348
|
|
|
2349 if (vv) {
|
|
|
2350 *vv = *value;
|
|
|
2351 return NGX_OK;
|
|
|
2352 }
|
|
|
2353
|
|
248
|
2354 var = ngx_list_push(mctx->variables);
|
|
102
|
2355 if (var == NULL) {
|
|
248
|
2356 return NGX_ERROR;
|
|
102
|
2357 }
|
|
|
2358
|
|
|
2359 var->name = *name;
|
|
160
|
2360 var->key = key;
|
|
102
|
2361 var->value = *value;
|
|
|
2362
|
|
|
2363 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2364 "set: \"%V\"=\"%V\"", name, value);
|
|
|
2365
|
|
58
|
2366 return NGX_OK;
|
|
|
2367 }
|
|
|
2368
|
|
|
2369
|
|
|
2370 static ngx_int_t
|
|
|
2371 ngx_http_ssi_if(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2372 ngx_str_t **params)
|
|
|
2373 {
|
|
102
|
2374 u_char *p, *last;
|
|
|
2375 ngx_str_t *expr, left, right;
|
|
|
2376 ngx_int_t rc;
|
|
178
|
2377 ngx_uint_t negative, noregex, flags;
|
|
58
|
2378
|
|
178
|
2379 if (ctx->command.len == 2) {
|
|
|
2380 if (ctx->conditional) {
|
|
|
2381 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2382 "the \"if\" command inside the \"if\" command");
|
|
|
2383 return NGX_HTTP_SSI_ERROR;
|
|
|
2384 }
|
|
|
2385 }
|
|
|
2386
|
|
|
2387 if (ctx->output_chosen) {
|
|
|
2388 ctx->output = 0;
|
|
|
2389 return NGX_OK;
|
|
|
2390 }
|
|
|
2391
|
|
58
|
2392 expr = params[NGX_HTTP_SSI_IF_EXPR];
|
|
|
2393
|
|
192
|
2394 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2395 "ssi if expr=\"%V\"", expr);
|
|
|
2396
|
|
102
|
2397 left.data = expr->data;
|
|
100
|
2398 last = expr->data + expr->len;
|
|
|
2399
|
|
102
|
2400 for (p = left.data; p < last; p++) {
|
|
100
|
2401 if (*p >= 'A' && *p <= 'Z') {
|
|
|
2402 *p |= 0x20;
|
|
|
2403 continue;
|
|
|
2404 }
|
|
58
|
2405
|
|
102
|
2406 if ((*p >= 'a' && *p <= 'z')
|
|
|
2407 || (*p >= '0' && *p <= '9')
|
|
122
|
2408 || *p == '$' || *p == '{' || *p == '}' || *p == '_'
|
|
|
2409 || *p == '"' || *p == '\'')
|
|
102
|
2410 {
|
|
100
|
2411 continue;
|
|
|
2412 }
|
|
|
2413
|
|
|
2414 break;
|
|
|
2415 }
|
|
|
2416
|
|
102
|
2417 left.len = p - left.data;
|
|
100
|
2418
|
|
|
2419 while (p < last && *p == ' ') {
|
|
|
2420 p++;
|
|
58
|
2421 }
|
|
|
2422
|
|
184
|
2423 flags = (p == last) ? NGX_HTTP_SSI_EXPR_TEST : 0;
|
|
|
2424
|
|
102
|
2425 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2426 "left: \"%V\"", &left);
|
|
|
2427
|
|
248
|
2428 rc = ngx_http_ssi_evaluate_string(r, ctx, &left, flags);
|
|
|
2429
|
|
|
2430 if (rc != NGX_OK) {
|
|
|
2431 return rc;
|
|
58
|
2432 }
|
|
|
2433
|
|
102
|
2434 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2435 "evaluted left: \"%V\"", &left);
|
|
|
2436
|
|
100
|
2437 if (p == last) {
|
|
102
|
2438 if (left.len) {
|
|
100
|
2439 ctx->output = 1;
|
|
178
|
2440 ctx->output_chosen = 1;
|
|
100
|
2441
|
|
|
2442 } else {
|
|
|
2443 ctx->output = 0;
|
|
|
2444 }
|
|
|
2445
|
|
178
|
2446 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
2447
|
|
100
|
2448 return NGX_OK;
|
|
|
2449 }
|
|
|
2450
|
|
|
2451 if (p < last && *p == '=') {
|
|
|
2452 negative = 0;
|
|
|
2453 p++;
|
|
|
2454
|
|
|
2455 } else if (p + 1 < last && *p == '!' && *(p + 1) == '=') {
|
|
|
2456 negative = 1;
|
|
|
2457 p += 2;
|
|
|
2458
|
|
|
2459 } else {
|
|
|
2460 goto invalid_expression;
|
|
|
2461 }
|
|
|
2462
|
|
|
2463 while (p < last && *p == ' ') {
|
|
|
2464 p++;
|
|
|
2465 }
|
|
|
2466
|
|
300
|
2467 if (p < last - 1 && *p == '/') {
|
|
100
|
2468 if (*(last - 1) != '/') {
|
|
|
2469 goto invalid_expression;
|
|
|
2470 }
|
|
|
2471
|
|
|
2472 noregex = 0;
|
|
178
|
2473 flags = NGX_HTTP_SSI_ADD_ZERO;
|
|
100
|
2474 last--;
|
|
274
|
2475 p++;
|
|
100
|
2476
|
|
|
2477 } else {
|
|
|
2478 noregex = 1;
|
|
178
|
2479 flags = 0;
|
|
|
2480
|
|
|
2481 if (p < last - 1 && p[0] == '\\' && p[1] == '/') {
|
|
200
|
2482 p++;
|
|
178
|
2483 }
|
|
100
|
2484 }
|
|
|
2485
|
|
|
2486 right.len = last - p;
|
|
|
2487 right.data = p;
|
|
|
2488
|
|
102
|
2489 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2490 "right: \"%V\"", &right);
|
|
|
2491
|
|
248
|
2492 rc = ngx_http_ssi_evaluate_string(r, ctx, &right, flags);
|
|
|
2493
|
|
|
2494 if (rc != NGX_OK) {
|
|
|
2495 return rc;
|
|
100
|
2496 }
|
|
|
2497
|
|
102
|
2498 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2499 "evaluted right: \"%V\"", &right);
|
|
100
|
2500
|
|
|
2501 if (noregex) {
|
|
|
2502 if (left.len != right.len) {
|
|
|
2503 rc = -1;
|
|
|
2504
|
|
|
2505 } else {
|
|
|
2506 rc = ngx_strncmp(left.data, right.data, right.len);
|
|
|
2507 }
|
|
|
2508
|
|
|
2509 } else {
|
|
|
2510 #if (NGX_PCRE)
|
|
356
|
2511 ngx_str_t err;
|
|
|
2512 ngx_regex_t *regex;
|
|
|
2513 u_char errstr[NGX_MAX_CONF_ERRSTR];
|
|
|
2514
|
|
100
|
2515 err.len = NGX_MAX_CONF_ERRSTR;
|
|
|
2516 err.data = errstr;
|
|
|
2517
|
|
|
2518 right.data[right.len] = '\0';
|
|
|
2519
|
|
|
2520 regex = ngx_regex_compile(&right, 0, r->pool, &err);
|
|
|
2521
|
|
|
2522 if (regex == NULL) {
|
|
|
2523 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "%s", err.data);
|
|
|
2524 return NGX_HTTP_SSI_ERROR;
|
|
|
2525 }
|
|
|
2526
|
|
|
2527 rc = ngx_regex_exec(regex, &left, NULL, 0);
|
|
|
2528
|
|
|
2529 if (rc != NGX_REGEX_NO_MATCHED && rc < 0) {
|
|
|
2530 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
2531 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"",
|
|
|
2532 rc, &left, &right);
|
|
|
2533 return NGX_HTTP_SSI_ERROR;
|
|
|
2534 }
|
|
|
2535 #else
|
|
|
2536 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
2537 "the using of the regex \"%V\" in SSI "
|
|
|
2538 "requires PCRE library", &right);
|
|
|
2539
|
|
|
2540 return NGX_HTTP_SSI_ERROR;
|
|
|
2541 #endif
|
|
|
2542 }
|
|
|
2543
|
|
|
2544 if ((rc == 0 && !negative) || (rc != 0 && negative)) {
|
|
58
|
2545 ctx->output = 1;
|
|
178
|
2546 ctx->output_chosen = 1;
|
|
58
|
2547
|
|
|
2548 } else {
|
|
|
2549 ctx->output = 0;
|
|
|
2550 }
|
|
|
2551
|
|
178
|
2552 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
2553
|
|
58
|
2554 return NGX_OK;
|
|
100
|
2555
|
|
|
2556 invalid_expression:
|
|
|
2557
|
|
|
2558 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2559 "invalid expression in \"%V\"", expr);
|
|
|
2560
|
|
|
2561 return NGX_HTTP_SSI_ERROR;
|
|
58
|
2562 }
|
|
|
2563
|
|
|
2564
|
|
|
2565 static ngx_int_t
|
|
|
2566 ngx_http_ssi_else(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2567 ngx_str_t **params)
|
|
|
2568 {
|
|
192
|
2569 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2570 "ssi else");
|
|
|
2571
|
|
178
|
2572 if (ctx->output_chosen) {
|
|
|
2573 ctx->output = 0;
|
|
|
2574 } else {
|
|
|
2575 ctx->output = 1;
|
|
|
2576 }
|
|
|
2577
|
|
|
2578 ctx->conditional = NGX_HTTP_SSI_COND_ELSE;
|
|
58
|
2579
|
|
|
2580 return NGX_OK;
|
|
|
2581 }
|
|
|
2582
|
|
|
2583
|
|
|
2584 static ngx_int_t
|
|
|
2585 ngx_http_ssi_endif(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2586 ngx_str_t **params)
|
|
|
2587 {
|
|
192
|
2588 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2589 "ssi endif");
|
|
|
2590
|
|
58
|
2591 ctx->output = 1;
|
|
178
|
2592 ctx->output_chosen = 0;
|
|
|
2593 ctx->conditional = 0;
|
|
58
|
2594
|
|
|
2595 return NGX_OK;
|
|
|
2596 }
|
|
|
2597
|
|
|
2598
|
|
122
|
2599 static ngx_int_t
|
|
216
|
2600 ngx_http_ssi_block(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2601 ngx_str_t **params)
|
|
|
2602 {
|
|
|
2603 ngx_http_ssi_ctx_t *mctx;
|
|
|
2604 ngx_http_ssi_block_t *bl;
|
|
|
2605
|
|
|
2606 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2607 "ssi block");
|
|
|
2608
|
|
|
2609 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
2610
|
|
|
2611 if (mctx->blocks == NULL) {
|
|
|
2612 mctx->blocks = ngx_array_create(r->pool, 4,
|
|
|
2613 sizeof(ngx_http_ssi_block_t));
|
|
|
2614 if (mctx->blocks == NULL) {
|
|
|
2615 return NGX_HTTP_SSI_ERROR;
|
|
|
2616 }
|
|
|
2617 }
|
|
|
2618
|
|
|
2619 bl = ngx_array_push(mctx->blocks);
|
|
|
2620 if (bl == NULL) {
|
|
|
2621 return NGX_HTTP_SSI_ERROR;
|
|
|
2622 }
|
|
|
2623
|
|
|
2624 bl->name = *params[NGX_HTTP_SSI_BLOCK_NAME];
|
|
|
2625 bl->bufs = NULL;
|
|
|
2626 bl->count = 0;
|
|
|
2627
|
|
|
2628 ctx->output = 0;
|
|
|
2629 ctx->block = 1;
|
|
|
2630
|
|
|
2631 return NGX_OK;
|
|
|
2632 }
|
|
|
2633
|
|
|
2634
|
|
|
2635 static ngx_int_t
|
|
|
2636 ngx_http_ssi_endblock(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2637 ngx_str_t **params)
|
|
|
2638 {
|
|
|
2639 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2640 "ssi endblock");
|
|
|
2641
|
|
|
2642 ctx->output = 1;
|
|
|
2643 ctx->block = 0;
|
|
|
2644
|
|
|
2645 return NGX_OK;
|
|
|
2646 }
|
|
|
2647
|
|
|
2648
|
|
|
2649 static ngx_int_t
|
|
122
|
2650 ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
|
|
380
|
2651 ngx_http_variable_value_t *v, uintptr_t gmt)
|
|
58
|
2652 {
|
|
122
|
2653 ngx_http_ssi_ctx_t *ctx;
|
|
|
2654 ngx_time_t *tp;
|
|
|
2655 struct tm tm;
|
|
|
2656 char buf[NGX_HTTP_SSI_DATE_LEN];
|
|
|
2657
|
|
126
|
2658 v->valid = 1;
|
|
340
|
2659 v->no_cacheable = 0;
|
|
122
|
2660 v->not_found = 0;
|
|
58
|
2661
|
|
112
|
2662 tp = ngx_timeofday();
|
|
|
2663
|
|
58
|
2664 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
2665
|
|
340
|
2666 if (ctx == NULL
|
|
|
2667 || (ctx->timefmt.len == sizeof("%s") - 1
|
|
|
2668 && ctx->timefmt.data[0] == '%' && ctx->timefmt.data[1] == 's'))
|
|
58
|
2669 {
|
|
382
|
2670 v->data = ngx_pnalloc(r->pool, NGX_TIME_T_LEN);
|
|
122
|
2671 if (v->data == NULL) {
|
|
|
2672 return NGX_ERROR;
|
|
58
|
2673 }
|
|
|
2674
|
|
122
|
2675 v->len = ngx_sprintf(v->data, "%T", tp->sec + (gmt ? 0 : tp->gmtoff))
|
|
|
2676 - v->data;
|
|
206
|
2677
|
|
122
|
2678 return NGX_OK;
|
|
58
|
2679 }
|
|
|
2680
|
|
|
2681 if (gmt) {
|
|
112
|
2682 ngx_libc_gmtime(tp->sec, &tm);
|
|
58
|
2683 } else {
|
|
112
|
2684 ngx_libc_localtime(tp->sec, &tm);
|
|
58
|
2685 }
|
|
|
2686
|
|
122
|
2687 v->len = strftime(buf, NGX_HTTP_SSI_DATE_LEN,
|
|
|
2688 (char *) ctx->timefmt.data, &tm);
|
|
|
2689 if (v->len == 0) {
|
|
|
2690 return NGX_ERROR;
|
|
58
|
2691 }
|
|
|
2692
|
|
382
|
2693 v->data = ngx_pnalloc(r->pool, v->len);
|
|
122
|
2694 if (v->data == NULL) {
|
|
|
2695 return NGX_ERROR;
|
|
58
|
2696 }
|
|
|
2697
|
|
122
|
2698 ngx_memcpy(v->data, buf, v->len);
|
|
|
2699
|
|
|
2700 return NGX_OK;
|
|
58
|
2701 }
|
|
|
2702
|
|
|
2703
|
|
76
|
2704 static char *
|
|
|
2705 ngx_http_ssi_types(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2706 {
|
|
146
|
2707 ngx_http_ssi_loc_conf_t *slcf = conf;
|
|
76
|
2708
|
|
|
2709 ngx_str_t *value, *type;
|
|
|
2710 ngx_uint_t i;
|
|
|
2711
|
|
146
|
2712 if (slcf->types == NULL) {
|
|
|
2713 slcf->types = ngx_array_create(cf->pool, 4, sizeof(ngx_str_t));
|
|
|
2714 if (slcf->types == NULL) {
|
|
76
|
2715 return NGX_CONF_ERROR;
|
|
|
2716 }
|
|
|
2717
|
|
146
|
2718 type = ngx_array_push(slcf->types);
|
|
76
|
2719 if (type == NULL) {
|
|
|
2720 return NGX_CONF_ERROR;
|
|
|
2721 }
|
|
|
2722
|
|
|
2723 type->len = sizeof("text/html") - 1;
|
|
|
2724 type->data = (u_char *) "text/html";
|
|
|
2725 }
|
|
|
2726
|
|
|
2727 value = cf->args->elts;
|
|
|
2728
|
|
|
2729 for (i = 1; i < cf->args->nelts; i++) {
|
|
|
2730
|
|
|
2731 if (ngx_strcmp(value[i].data, "text/html") == 0) {
|
|
|
2732 continue;
|
|
|
2733 }
|
|
|
2734
|
|
146
|
2735 type = ngx_array_push(slcf->types);
|
|
76
|
2736 if (type == NULL) {
|
|
|
2737 return NGX_CONF_ERROR;
|
|
|
2738 }
|
|
|
2739
|
|
|
2740 type->len = value[i].len;
|
|
|
2741
|
|
382
|
2742 type->data = ngx_pnalloc(cf->pool, type->len + 1);
|
|
76
|
2743 if (type->data == NULL) {
|
|
|
2744 return NGX_CONF_ERROR;
|
|
|
2745 }
|
|
|
2746
|
|
|
2747 ngx_cpystrn(type->data, value[i].data, type->len + 1);
|
|
|
2748 }
|
|
|
2749
|
|
|
2750 return NGX_CONF_OK;
|
|
|
2751 }
|
|
|
2752
|
|
|
2753
|
|
58
|
2754 static ngx_int_t
|
|
146
|
2755 ngx_http_ssi_preconfiguration(ngx_conf_t *cf)
|
|
58
|
2756 {
|
|
146
|
2757 ngx_int_t rc;
|
|
|
2758 ngx_http_variable_t *var, *v;
|
|
|
2759 ngx_http_ssi_command_t *cmd;
|
|
|
2760 ngx_http_ssi_main_conf_t *smcf;
|
|
58
|
2761
|
|
|
2762 for (v = ngx_http_ssi_vars; v->name.len; v++) {
|
|
|
2763 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
2764 if (var == NULL) {
|
|
|
2765 return NGX_ERROR;
|
|
|
2766 }
|
|
|
2767
|
|
186
|
2768 var->get_handler = v->get_handler;
|
|
58
|
2769 var->data = v->data;
|
|
|
2770 }
|
|
|
2771
|
|
146
|
2772 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
2773
|
|
|
2774 for (cmd = ngx_http_ssi_commands; cmd->name.len; cmd++) {
|
|
|
2775 rc = ngx_hash_add_key(&smcf->commands, &cmd->name, cmd,
|
|
|
2776 NGX_HASH_READONLY_KEY);
|
|
|
2777
|
|
|
2778 if (rc == NGX_OK) {
|
|
|
2779 continue;
|
|
|
2780 }
|
|
|
2781
|
|
|
2782 if (rc == NGX_BUSY) {
|
|
|
2783 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2784 "conflicting SSI command \"%V\"", &cmd->name);
|
|
|
2785 }
|
|
|
2786
|
|
|
2787 return NGX_ERROR;
|
|
|
2788 }
|
|
|
2789
|
|
126
|
2790 return NGX_OK;
|
|
58
|
2791 }
|
|
|
2792
|
|
|
2793
|
|
46
|
2794 static void *
|
|
146
|
2795 ngx_http_ssi_create_main_conf(ngx_conf_t *cf)
|
|
|
2796 {
|
|
|
2797 ngx_http_ssi_main_conf_t *smcf;
|
|
|
2798
|
|
|
2799 smcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_main_conf_t));
|
|
|
2800 if (smcf == NULL) {
|
|
|
2801 return NGX_CONF_ERROR;
|
|
|
2802 }
|
|
|
2803
|
|
|
2804 smcf->commands.pool = cf->pool;
|
|
|
2805 smcf->commands.temp_pool = cf->temp_pool;
|
|
|
2806
|
|
|
2807 if (ngx_hash_keys_array_init(&smcf->commands, NGX_HASH_SMALL) != NGX_OK) {
|
|
|
2808 return NGX_CONF_ERROR;
|
|
|
2809 }
|
|
|
2810
|
|
|
2811 return smcf;
|
|
|
2812 }
|
|
|
2813
|
|
|
2814
|
|
|
2815 static char *
|
|
|
2816 ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
2817 {
|
|
|
2818 ngx_http_ssi_main_conf_t *smcf = conf;
|
|
|
2819
|
|
|
2820 ngx_hash_init_t hash;
|
|
|
2821
|
|
|
2822 hash.hash = &smcf->hash;
|
|
|
2823 hash.key = ngx_hash_key;
|
|
|
2824 hash.max_size = 1024;
|
|
|
2825 hash.bucket_size = ngx_cacheline_size;
|
|
|
2826 hash.name = "ssi_command_hash";
|
|
|
2827 hash.pool = cf->pool;
|
|
|
2828 hash.temp_pool = NULL;
|
|
|
2829
|
|
|
2830 if (ngx_hash_init(&hash, smcf->commands.keys.elts,
|
|
|
2831 smcf->commands.keys.nelts)
|
|
|
2832 != NGX_OK)
|
|
|
2833 {
|
|
|
2834 return NGX_CONF_ERROR;
|
|
|
2835 }
|
|
|
2836
|
|
|
2837 return NGX_CONF_OK;
|
|
|
2838 }
|
|
|
2839
|
|
|
2840
|
|
|
2841 static void *
|
|
296
|
2842 ngx_http_ssi_create_loc_conf(ngx_conf_t *cf)
|
|
46
|
2843 {
|
|
146
|
2844 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
2845
|
|
|
2846 slcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_loc_conf_t));
|
|
|
2847 if (slcf == NULL) {
|
|
46
|
2848 return NGX_CONF_ERROR;
|
|
|
2849 }
|
|
|
2850
|
|
76
|
2851 /*
|
|
|
2852 * set by ngx_pcalloc():
|
|
|
2853 *
|
|
|
2854 * conf->types = NULL;
|
|
|
2855 */
|
|
|
2856
|
|
146
|
2857 slcf->enable = NGX_CONF_UNSET;
|
|
|
2858 slcf->silent_errors = NGX_CONF_UNSET;
|
|
|
2859 slcf->ignore_recycled_buffers = NGX_CONF_UNSET;
|
|
|
2860
|
|
|
2861 slcf->min_file_chunk = NGX_CONF_UNSET_SIZE;
|
|
|
2862 slcf->value_len = NGX_CONF_UNSET_SIZE;
|
|
|
2863
|
|
|
2864 return slcf;
|
|
46
|
2865 }
|
|
|
2866
|
|
|
2867
|
|
|
2868 static char *
|
|
296
|
2869 ngx_http_ssi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
46
|
2870 {
|
|
146
|
2871 ngx_http_ssi_loc_conf_t *prev = parent;
|
|
|
2872 ngx_http_ssi_loc_conf_t *conf = child;
|
|
46
|
2873
|
|
76
|
2874 ngx_str_t *type;
|
|
|
2875
|
|
46
|
2876 ngx_conf_merge_value(conf->enable, prev->enable, 0);
|
|
|
2877 ngx_conf_merge_value(conf->silent_errors, prev->silent_errors, 0);
|
|
58
|
2878 ngx_conf_merge_value(conf->ignore_recycled_buffers,
|
|
|
2879 prev->ignore_recycled_buffers, 0);
|
|
46
|
2880
|
|
|
2881 ngx_conf_merge_size_value(conf->min_file_chunk, prev->min_file_chunk, 1024);
|
|
|
2882 ngx_conf_merge_size_value(conf->value_len, prev->value_len, 256);
|
|
|
2883
|
|
76
|
2884 if (conf->types == NULL) {
|
|
|
2885 if (prev->types == NULL) {
|
|
|
2886 conf->types = ngx_array_create(cf->pool, 1, sizeof(ngx_str_t));
|
|
|
2887 if (conf->types == NULL) {
|
|
|
2888 return NGX_CONF_ERROR;
|
|
|
2889 }
|
|
|
2890
|
|
|
2891 type = ngx_array_push(conf->types);
|
|
|
2892 if (type == NULL) {
|
|
|
2893 return NGX_CONF_ERROR;
|
|
|
2894 }
|
|
|
2895
|
|
|
2896 type->len = sizeof("text/html") - 1;
|
|
|
2897 type->data = (u_char *) "text/html";
|
|
|
2898
|
|
|
2899 } else {
|
|
|
2900 conf->types = prev->types;
|
|
|
2901 }
|
|
|
2902 }
|
|
|
2903
|
|
46
|
2904 return NGX_CONF_OK;
|
|
|
2905 }
|
|
|
2906
|
|
|
2907
|
|
|
2908 static ngx_int_t
|
|
230
|
2909 ngx_http_ssi_filter_init(ngx_conf_t *cf)
|
|
46
|
2910 {
|
|
|
2911 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
|
2912 ngx_http_top_header_filter = ngx_http_ssi_header_filter;
|
|
|
2913
|
|
|
2914 ngx_http_next_body_filter = ngx_http_top_body_filter;
|
|
|
2915 ngx_http_top_body_filter = ngx_http_ssi_body_filter;
|
|
|
2916
|
|
|
2917 return NGX_OK;
|
|
|
2918 }
|
