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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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660
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4 * Copyright (C) Nginx, Inc.
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46
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5 */
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6
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7
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10 #include <ngx_http.h>
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11
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102
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12 #define NGX_HTTP_SSI_ERROR 1
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13
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14 #define NGX_HTTP_SSI_DATE_LEN 2048
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15
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16 #define NGX_HTTP_SSI_ADD_PREFIX 1
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178
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17 #define NGX_HTTP_SSI_ADD_ZERO 2
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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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394
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25 ngx_hash_t types;
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146
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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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394
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29
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30 ngx_array_t *types_keys;
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146
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31 } ngx_http_ssi_loc_conf_t;
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102
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32
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33
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34 typedef struct {
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146
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35 ngx_str_t name;
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160
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36 ngx_uint_t key;
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146
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37 ngx_str_t value;
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38 } ngx_http_ssi_var_t;
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46
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39
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40
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216
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41 typedef struct {
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42 ngx_str_t name;
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43 ngx_chain_t *bufs;
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44 ngx_uint_t count;
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45 } ngx_http_ssi_block_t;
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46
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47
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46
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48 typedef enum {
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49 ssi_start_state = 0,
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50 ssi_tag_state,
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51 ssi_comment0_state,
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52 ssi_comment1_state,
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53 ssi_sharp_state,
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54 ssi_precommand_state,
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55 ssi_command_state,
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56 ssi_preparam_state,
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57 ssi_param_state,
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58 ssi_preequal_state,
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59 ssi_prevalue_state,
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60 ssi_double_quoted_value_state,
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61 ssi_quoted_value_state,
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62 ssi_quoted_symbol_state,
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63 ssi_postparam_state,
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64 ssi_comment_end0_state,
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65 ssi_comment_end1_state,
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66 ssi_error_state,
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67 ssi_error_end0_state,
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68 ssi_error_end1_state
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69 } ngx_http_ssi_state_e;
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70
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71
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58
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72 static ngx_int_t ngx_http_ssi_output(ngx_http_request_t *r,
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73 ngx_http_ssi_ctx_t *ctx);
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586
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74 static void ngx_http_ssi_buffered(ngx_http_request_t *r,
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75 ngx_http_ssi_ctx_t *ctx);
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46
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76 static ngx_int_t ngx_http_ssi_parse(ngx_http_request_t *r,
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77 ngx_http_ssi_ctx_t *ctx);
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102
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78 static ngx_str_t *ngx_http_ssi_get_variable(ngx_http_request_t *r,
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160
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79 ngx_str_t *name, ngx_uint_t key);
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102
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80 static ngx_int_t ngx_http_ssi_evaluate_string(ngx_http_request_t *r,
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81 ngx_http_ssi_ctx_t *ctx, ngx_str_t *text, ngx_uint_t flags);
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656
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82 static ngx_int_t ngx_http_ssi_regex_match(ngx_http_request_t *r,
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83 ngx_str_t *pattern, ngx_str_t *str);
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102
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84
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85 static ngx_int_t ngx_http_ssi_include(ngx_http_request_t *r,
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86 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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248
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87 static ngx_int_t ngx_http_ssi_stub_output(ngx_http_request_t *r, void *data,
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88 ngx_int_t rc);
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89 static ngx_int_t ngx_http_ssi_set_variable(ngx_http_request_t *r, void *data,
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90 ngx_int_t rc);
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46
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91 static ngx_int_t ngx_http_ssi_echo(ngx_http_request_t *r,
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92 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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58
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93 static ngx_int_t ngx_http_ssi_config(ngx_http_request_t *r,
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94 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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102
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95 static ngx_int_t ngx_http_ssi_set(ngx_http_request_t *r,
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58
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96 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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97 static ngx_int_t ngx_http_ssi_if(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_else(ngx_http_request_t *r,
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100 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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101 static ngx_int_t ngx_http_ssi_endif(ngx_http_request_t *r,
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102 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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216
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103 static ngx_int_t ngx_http_ssi_block(ngx_http_request_t *r,
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104 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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105 static ngx_int_t ngx_http_ssi_endblock(ngx_http_request_t *r,
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106 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
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46
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107
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122
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108 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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109 ngx_http_variable_value_t *v, uintptr_t gmt);
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58
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110
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146
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111 static ngx_int_t ngx_http_ssi_preconfiguration(ngx_conf_t *cf);
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112 static void *ngx_http_ssi_create_main_conf(ngx_conf_t *cf);
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113 static char *ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf);
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296
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114 static void *ngx_http_ssi_create_loc_conf(ngx_conf_t *cf);
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115 static char *ngx_http_ssi_merge_loc_conf(ngx_conf_t *cf,
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46
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116 void *parent, void *child);
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230
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117 static ngx_int_t ngx_http_ssi_filter_init(ngx_conf_t *cf);
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46
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118
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119
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120 static ngx_command_t ngx_http_ssi_filter_commands[] = {
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121
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122 { ngx_string("ssi"),
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230
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123 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
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124 |NGX_CONF_FLAG,
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46
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125 ngx_conf_set_flag_slot,
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126 NGX_HTTP_LOC_CONF_OFFSET,
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146
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127 offsetof(ngx_http_ssi_loc_conf_t, enable),
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128 NULL },
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129
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130 { ngx_string("ssi_silent_errors"),
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131 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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132 ngx_conf_set_flag_slot,
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133 NGX_HTTP_LOC_CONF_OFFSET,
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146
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134 offsetof(ngx_http_ssi_loc_conf_t, silent_errors),
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135 NULL },
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136
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58
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137 { ngx_string("ssi_ignore_recycled_buffers"),
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138 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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139 ngx_conf_set_flag_slot,
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140 NGX_HTTP_LOC_CONF_OFFSET,
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146
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141 offsetof(ngx_http_ssi_loc_conf_t, ignore_recycled_buffers),
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142 NULL },
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143
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46
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144 { ngx_string("ssi_min_file_chunk"),
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648
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145 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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46
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146 ngx_conf_set_size_slot,
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147 NGX_HTTP_LOC_CONF_OFFSET,
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146
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148 offsetof(ngx_http_ssi_loc_conf_t, min_file_chunk),
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149 NULL },
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150
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138
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151 { ngx_string("ssi_value_length"),
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648
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152 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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138
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153 ngx_conf_set_size_slot,
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154 NGX_HTTP_LOC_CONF_OFFSET,
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146
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155 offsetof(ngx_http_ssi_loc_conf_t, value_len),
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138
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156 NULL },
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157
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76
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158 { ngx_string("ssi_types"),
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159 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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394
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160 ngx_http_types_slot,
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76
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161 NGX_HTTP_LOC_CONF_OFFSET,
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162 offsetof(ngx_http_ssi_loc_conf_t, types_keys),
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163 &ngx_http_html_default_types[0] },
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76
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164
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46
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165 ngx_null_command
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166 };
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167
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168
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126
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169
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46
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170 static ngx_http_module_t ngx_http_ssi_filter_module_ctx = {
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146
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171 ngx_http_ssi_preconfiguration, /* preconfiguration */
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230
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172 ngx_http_ssi_filter_init, /* postconfiguration */
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46
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173
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146
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174 ngx_http_ssi_create_main_conf, /* create main configuration */
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175 ngx_http_ssi_init_main_conf, /* init main configuration */
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46
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176
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177 NULL, /* create server configuration */
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178 NULL, /* merge server configuration */
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179
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296
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180 ngx_http_ssi_create_loc_conf, /* create location configuration */
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181 ngx_http_ssi_merge_loc_conf /* merge location configuration */
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126
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182 };
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46
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183
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184
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185 ngx_module_t ngx_http_ssi_filter_module = {
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58
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186 NGX_MODULE_V1,
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46
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187 &ngx_http_ssi_filter_module_ctx, /* module context */
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188 ngx_http_ssi_filter_commands, /* module directives */
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189 NGX_HTTP_MODULE, /* module type */
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90
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190 NULL, /* init master */
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230
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191 NULL, /* init module */
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90
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192 NULL, /* init process */
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193 NULL, /* init thread */
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194 NULL, /* exit thread */
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195 NULL, /* exit process */
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196 NULL, /* exit master */
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197 NGX_MODULE_V1_PADDING
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46
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198 };
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199
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200
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118
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201 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
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202 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
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46
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203
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204
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205 static u_char ngx_http_ssi_string[] = "<!--";
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206
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207 static ngx_str_t ngx_http_ssi_none = ngx_string("(none)");
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248
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208 static ngx_str_t ngx_http_ssi_null_string = ngx_null_string;
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209
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46
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210
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102
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211 #define NGX_HTTP_SSI_INCLUDE_VIRTUAL 0
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212 #define NGX_HTTP_SSI_INCLUDE_FILE 1
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194
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213 #define NGX_HTTP_SSI_INCLUDE_WAIT 2
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248
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214 #define NGX_HTTP_SSI_INCLUDE_SET 3
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215 #define NGX_HTTP_SSI_INCLUDE_STUB 4
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46
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216
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58
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217 #define NGX_HTTP_SSI_ECHO_VAR 0
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218 #define NGX_HTTP_SSI_ECHO_DEFAULT 1
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340
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219 #define NGX_HTTP_SSI_ECHO_ENCODING 2
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58
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220
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96
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221 #define NGX_HTTP_SSI_CONFIG_ERRMSG 0
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222 #define NGX_HTTP_SSI_CONFIG_TIMEFMT 1
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58
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223
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102
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224 #define NGX_HTTP_SSI_SET_VAR 0
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225 #define NGX_HTTP_SSI_SET_VALUE 1
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226
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227 #define NGX_HTTP_SSI_IF_EXPR 0
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228
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216
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229 #define NGX_HTTP_SSI_BLOCK_NAME 0
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230
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46
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231
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102
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232 static ngx_http_ssi_param_t ngx_http_ssi_include_params[] = {
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146
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233 { ngx_string("virtual"), NGX_HTTP_SSI_INCLUDE_VIRTUAL, 0, 0 },
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234 { ngx_string("file"), NGX_HTTP_SSI_INCLUDE_FILE, 0, 0 },
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194
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235 { ngx_string("wait"), NGX_HTTP_SSI_INCLUDE_WAIT, 0, 0 },
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248
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236 { ngx_string("set"), NGX_HTTP_SSI_INCLUDE_SET, 0, 0 },
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216
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237 { ngx_string("stub"), NGX_HTTP_SSI_INCLUDE_STUB, 0, 0 },
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146
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238 { ngx_null_string, 0, 0, 0 }
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102
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239 };
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240
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241
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242 static ngx_http_ssi_param_t ngx_http_ssi_echo_params[] = {
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146
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243 { ngx_string("var"), NGX_HTTP_SSI_ECHO_VAR, 1, 0 },
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244 { ngx_string("default"), NGX_HTTP_SSI_ECHO_DEFAULT, 0, 0 },
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340
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245 { ngx_string("encoding"), NGX_HTTP_SSI_ECHO_ENCODING, 0, 0 },
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146
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246 { ngx_null_string, 0, 0, 0 }
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46
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247 };
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248
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249
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250 static ngx_http_ssi_param_t ngx_http_ssi_config_params[] = {
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146
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251 { ngx_string("errmsg"), NGX_HTTP_SSI_CONFIG_ERRMSG, 0, 0 },
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252 { ngx_string("timefmt"), NGX_HTTP_SSI_CONFIG_TIMEFMT, 0, 0 },
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253 { ngx_null_string, 0, 0, 0 }
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58
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254 };
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255
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256
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102
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257 static ngx_http_ssi_param_t ngx_http_ssi_set_params[] = {
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146
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258 { ngx_string("var"), NGX_HTTP_SSI_SET_VAR, 1, 0 },
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259 { ngx_string("value"), NGX_HTTP_SSI_SET_VALUE, 1, 0 },
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260 { ngx_null_string, 0, 0, 0 }
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102
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261 };
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262
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263
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58
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264 static ngx_http_ssi_param_t ngx_http_ssi_if_params[] = {
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146
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265 { ngx_string("expr"), NGX_HTTP_SSI_IF_EXPR, 1, 0 },
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266 { ngx_null_string, 0, 0, 0 }
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58
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267 };
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268
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269
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216
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270 static ngx_http_ssi_param_t ngx_http_ssi_block_params[] = {
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271 { ngx_string("name"), NGX_HTTP_SSI_BLOCK_NAME, 1, 0 },
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272 { ngx_null_string, 0, 0, 0 }
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273 };
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274
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275
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58
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276 static ngx_http_ssi_param_t ngx_http_ssi_no_params[] = {
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146
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277 { ngx_null_string, 0, 0, 0 }
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58
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278 };
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279
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46
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280
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281 static ngx_http_ssi_command_t ngx_http_ssi_commands[] = {
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102
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282 { ngx_string("include"), ngx_http_ssi_include,
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216
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283 ngx_http_ssi_include_params, 0, 0, 1 },
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284 { ngx_string("echo"), ngx_http_ssi_echo,
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285 ngx_http_ssi_echo_params, 0, 0, 0 },
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58
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286 { ngx_string("config"), ngx_http_ssi_config,
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216
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287 ngx_http_ssi_config_params, 0, 0, 0 },
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288 { ngx_string("set"), ngx_http_ssi_set, ngx_http_ssi_set_params, 0, 0, 0 },
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289
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290 { ngx_string("if"), ngx_http_ssi_if, ngx_http_ssi_if_params, 0, 0, 0 },
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178
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291 { ngx_string("elif"), ngx_http_ssi_if, ngx_http_ssi_if_params,
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216
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292 NGX_HTTP_SSI_COND_IF, 0, 0 },
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178
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293 { ngx_string("else"), ngx_http_ssi_else, ngx_http_ssi_no_params,
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216
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294 NGX_HTTP_SSI_COND_IF, 0, 0 },
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178
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295 { ngx_string("endif"), ngx_http_ssi_endif, ngx_http_ssi_no_params,
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216
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296 NGX_HTTP_SSI_COND_ELSE, 0, 0 },
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297
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298 { ngx_string("block"), ngx_http_ssi_block,
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299 ngx_http_ssi_block_params, 0, 0, 0 },
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300 { ngx_string("endblock"), ngx_http_ssi_endblock,
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301 ngx_http_ssi_no_params, 0, 1, 0 },
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302
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303 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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46
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304 };
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305
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306
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58
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307 static ngx_http_variable_t ngx_http_ssi_vars[] = {
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308
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186
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309 { ngx_string("date_local"), NULL, ngx_http_ssi_date_gmt_local_variable, 0,
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340
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310 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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58
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311
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186
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312 { ngx_string("date_gmt"), NULL, ngx_http_ssi_date_gmt_local_variable, 1,
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340
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313 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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58
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314
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186
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315 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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58
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316 };
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317
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318
|
|
|
319
|
|
46
|
320 static ngx_int_t
|
|
|
321 ngx_http_ssi_header_filter(ngx_http_request_t *r)
|
|
|
322 {
|
|
146
|
323 ngx_http_ssi_ctx_t *ctx;
|
|
|
324 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
325
|
|
|
326 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
|
327
|
|
|
328 if (!slcf->enable
|
|
394
|
329 || r->headers_out.content_length_n == 0
|
|
|
330 || ngx_http_test_content_type(r, &slcf->types) == NULL)
|
|
46
|
331 {
|
|
|
332 return ngx_http_next_header_filter(r);
|
|
|
333 }
|
|
|
334
|
|
48
|
335 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_ssi_ctx_t));
|
|
|
336 if (ctx == NULL) {
|
|
46
|
337 return NGX_ERROR;
|
|
|
338 }
|
|
|
339
|
|
|
340 ngx_http_set_ctx(r, ctx, ngx_http_ssi_filter_module);
|
|
|
341
|
|
|
342
|
|
146
|
343 ctx->value_len = slcf->value_len;
|
|
46
|
344 ctx->last_out = &ctx->out;
|
|
|
345
|
|
340
|
346 ctx->encoding = NGX_HTTP_SSI_ENTITY_ENCODING;
|
|
58
|
347 ctx->output = 1;
|
|
|
348
|
|
46
|
349 ctx->params.elts = ctx->params_array;
|
|
|
350 ctx->params.size = sizeof(ngx_table_elt_t);
|
|
|
351 ctx->params.nalloc = NGX_HTTP_SSI_PARAMS_N;
|
|
|
352 ctx->params.pool = r->pool;
|
|
|
353
|
|
570
|
354 ngx_str_set(&ctx->timefmt, "%A, %d-%b-%Y %H:%M:%S %Z");
|
|
|
355 ngx_str_set(&ctx->errmsg,
|
|
|
356 "[an error occurred while processing the directive]");
|
|
96
|
357
|
|
46
|
358 r->filter_need_in_memory = 1;
|
|
|
359
|
|
146
|
360 if (r == r->main) {
|
|
126
|
361 ngx_http_clear_content_length(r);
|
|
|
362 ngx_http_clear_last_modified(r);
|
|
510
|
363 ngx_http_clear_accept_ranges(r);
|
|
58
|
364 }
|
|
|
365
|
|
46
|
366 return ngx_http_next_header_filter(r);
|
|
|
367 }
|
|
|
368
|
|
|
369
|
|
|
370 static ngx_int_t
|
|
|
371 ngx_http_ssi_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
|
|
|
372 {
|
|
216
|
373 size_t len;
|
|
146
|
374 ngx_int_t rc;
|
|
|
375 ngx_buf_t *b;
|
|
|
376 ngx_uint_t i, index;
|
|
216
|
377 ngx_chain_t *cl, **ll;
|
|
146
|
378 ngx_table_elt_t *param;
|
|
216
|
379 ngx_http_ssi_ctx_t *ctx, *mctx;
|
|
|
380 ngx_http_ssi_block_t *bl;
|
|
146
|
381 ngx_http_ssi_param_t *prm;
|
|
|
382 ngx_http_ssi_command_t *cmd;
|
|
|
383 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
384 ngx_http_ssi_main_conf_t *smcf;
|
|
148
|
385 ngx_str_t *params[NGX_HTTP_SSI_MAX_PARAMS + 1];
|
|
46
|
386
|
|
|
387 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
388
|
|
194
|
389 if (ctx == NULL
|
|
|
390 || (in == NULL
|
|
|
391 && ctx->buf == NULL
|
|
|
392 && ctx->in == NULL
|
|
|
393 && ctx->busy == NULL))
|
|
|
394 {
|
|
46
|
395 return ngx_http_next_body_filter(r, in);
|
|
|
396 }
|
|
|
397
|
|
|
398 /* add the incoming chain to the chain ctx->in */
|
|
|
399
|
|
|
400 if (in) {
|
|
454
|
401 if (ngx_chain_add_copy(r->pool, &ctx->in, in) != NGX_OK) {
|
|
46
|
402 return NGX_ERROR;
|
|
|
403 }
|
|
|
404 }
|
|
|
405
|
|
426
|
406 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
407 "http ssi filter \"%V?%V\"", &r->uri, &r->args);
|
|
|
408
|
|
194
|
409 if (ctx->wait) {
|
|
426
|
410
|
|
|
411 if (r != r->connection->data) {
|
|
|
412 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
413 "http ssi filter wait \"%V?%V\" non-active",
|
|
|
414 &ctx->wait->uri, &ctx->wait->args);
|
|
|
415
|
|
194
|
416 return NGX_AGAIN;
|
|
|
417 }
|
|
|
418
|
|
426
|
419 if (ctx->wait->done) {
|
|
|
420 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
421 "http ssi filter wait \"%V?%V\" done",
|
|
|
422 &ctx->wait->uri, &ctx->wait->args);
|
|
|
423
|
|
244
|
424 ctx->wait = NULL;
|
|
426
|
425
|
|
|
426 } else {
|
|
|
427 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
428 "http ssi filter wait \"%V?%V\"",
|
|
|
429 &ctx->wait->uri, &ctx->wait->args);
|
|
|
430
|
|
|
431 return ngx_http_next_body_filter(r, NULL);
|
|
244
|
432 }
|
|
194
|
433 }
|
|
|
434
|
|
146
|
435 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
46
|
436
|
|
48
|
437 while (ctx->in || ctx->buf) {
|
|
46
|
438
|
|
582
|
439 if (ctx->buf == NULL) {
|
|
48
|
440 ctx->buf = ctx->in->buf;
|
|
|
441 ctx->in = ctx->in->next;
|
|
|
442 ctx->pos = ctx->buf->pos;
|
|
|
443 }
|
|
46
|
444
|
|
|
445 if (ctx->state == ssi_start_state) {
|
|
|
446 ctx->copy_start = ctx->pos;
|
|
|
447 ctx->copy_end = ctx->pos;
|
|
|
448 }
|
|
|
449
|
|
48
|
450 b = NULL;
|
|
|
451
|
|
46
|
452 while (ctx->pos < ctx->buf->last) {
|
|
|
453
|
|
|
454 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
455 "saved: %d state: %d", ctx->saved, ctx->state);
|
|
|
456
|
|
|
457 rc = ngx_http_ssi_parse(r, ctx);
|
|
|
458
|
|
|
459 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
460 "parse: %d, looked: %d %p-%p",
|
|
|
461 rc, ctx->looked, ctx->copy_start, ctx->copy_end);
|
|
|
462
|
|
|
463 if (rc == NGX_ERROR) {
|
|
|
464 return rc;
|
|
|
465 }
|
|
|
466
|
|
|
467 if (ctx->copy_start != ctx->copy_end) {
|
|
|
468
|
|
58
|
469 if (ctx->output) {
|
|
|
470
|
|
|
471 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
472 "saved: %d", ctx->saved);
|
|
|
473
|
|
|
474 if (ctx->saved) {
|
|
|
475
|
|
|
476 if (ctx->free) {
|
|
|
477 cl = ctx->free;
|
|
|
478 ctx->free = ctx->free->next;
|
|
|
479 b = cl->buf;
|
|
|
480 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
46
|
481
|
|
58
|
482 } else {
|
|
|
483 b = ngx_calloc_buf(r->pool);
|
|
|
484 if (b == NULL) {
|
|
|
485 return NGX_ERROR;
|
|
|
486 }
|
|
|
487
|
|
|
488 cl = ngx_alloc_chain_link(r->pool);
|
|
|
489 if (cl == NULL) {
|
|
|
490 return NGX_ERROR;
|
|
|
491 }
|
|
|
492
|
|
|
493 cl->buf = b;
|
|
|
494 }
|
|
|
495
|
|
|
496 b->memory = 1;
|
|
|
497 b->pos = ngx_http_ssi_string;
|
|
|
498 b->last = ngx_http_ssi_string + ctx->saved;
|
|
|
499
|
|
|
500 *ctx->last_out = cl;
|
|
|
501 ctx->last_out = &cl->next;
|
|
|
502
|
|
|
503 ctx->saved = 0;
|
|
|
504 }
|
|
48
|
505
|
|
|
506 if (ctx->free) {
|
|
|
507 cl = ctx->free;
|
|
|
508 ctx->free = ctx->free->next;
|
|
|
509 b = cl->buf;
|
|
|
510
|
|
|
511 } else {
|
|
58
|
512 b = ngx_alloc_buf(r->pool);
|
|
48
|
513 if (b == NULL) {
|
|
|
514 return NGX_ERROR;
|
|
|
515 }
|
|
|
516
|
|
|
517 cl = ngx_alloc_chain_link(r->pool);
|
|
|
518 if (cl == NULL) {
|
|
|
519 return NGX_ERROR;
|
|
|
520 }
|
|
|
521
|
|
|
522 cl->buf = b;
|
|
46
|
523 }
|
|
|
524
|
|
58
|
525 ngx_memcpy(b, ctx->buf, sizeof(ngx_buf_t));
|
|
|
526
|
|
62
|
527 b->pos = ctx->copy_start;
|
|
|
528 b->last = ctx->copy_end;
|
|
|
529 b->shadow = NULL;
|
|
58
|
530 b->last_buf = 0;
|
|
|
531 b->recycled = 0;
|
|
46
|
532
|
|
58
|
533 if (b->in_file) {
|
|
146
|
534 if (slcf->min_file_chunk < (size_t) (b->last - b->pos))
|
|
58
|
535 {
|
|
386
|
536 b->file_last = b->file_pos
|
|
|
537 + (b->last - ctx->buf->pos);
|
|
|
538 b->file_pos += b->pos - ctx->buf->pos;
|
|
58
|
539
|
|
|
540 } else {
|
|
|
541 b->in_file = 0;
|
|
|
542 }
|
|
|
543 }
|
|
|
544
|
|
|
545 cl->next = NULL;
|
|
46
|
546 *ctx->last_out = cl;
|
|
|
547 ctx->last_out = &cl->next;
|
|
|
548
|
|
58
|
549 } else {
|
|
216
|
550 if (ctx->block
|
|
|
551 && ctx->saved + (ctx->copy_end - ctx->copy_start))
|
|
|
552 {
|
|
|
553 b = ngx_create_temp_buf(r->pool,
|
|
|
554 ctx->saved + (ctx->copy_end - ctx->copy_start));
|
|
|
555
|
|
|
556 if (b == NULL) {
|
|
|
557 return NGX_ERROR;
|
|
|
558 }
|
|
|
559
|
|
|
560 if (ctx->saved) {
|
|
|
561 b->last = ngx_cpymem(b->pos, ngx_http_ssi_string,
|
|
|
562 ctx->saved);
|
|
|
563 }
|
|
|
564
|
|
|
565 b->last = ngx_cpymem(b->last, ctx->copy_start,
|
|
|
566 ctx->copy_end - ctx->copy_start);
|
|
|
567
|
|
|
568 cl = ngx_alloc_chain_link(r->pool);
|
|
|
569 if (cl == NULL) {
|
|
|
570 return NGX_ERROR;
|
|
|
571 }
|
|
|
572
|
|
|
573 cl->buf = b;
|
|
|
574 cl->next = NULL;
|
|
|
575
|
|
|
576 b = NULL;
|
|
|
577
|
|
|
578 mctx = ngx_http_get_module_ctx(r->main,
|
|
|
579 ngx_http_ssi_filter_module);
|
|
|
580 bl = mctx->blocks->elts;
|
|
|
581 for (ll = &bl[mctx->blocks->nelts - 1].bufs;
|
|
|
582 *ll;
|
|
|
583 ll = &(*ll)->next)
|
|
|
584 {
|
|
|
585 /* void */
|
|
|
586 }
|
|
|
587
|
|
|
588 *ll = cl;
|
|
|
589 }
|
|
|
590
|
|
46
|
591 ctx->saved = 0;
|
|
|
592 }
|
|
|
593 }
|
|
|
594
|
|
|
595 if (ctx->state == ssi_start_state) {
|
|
|
596 ctx->copy_start = ctx->pos;
|
|
|
597 ctx->copy_end = ctx->pos;
|
|
|
598
|
|
|
599 } else {
|
|
|
600 ctx->copy_start = NULL;
|
|
|
601 ctx->copy_end = NULL;
|
|
|
602 }
|
|
|
603
|
|
|
604 if (rc == NGX_AGAIN) {
|
|
|
605 continue;
|
|
|
606 }
|
|
|
607
|
|
|
608
|
|
122
|
609 b = NULL;
|
|
|
610
|
|
46
|
611 if (rc == NGX_OK) {
|
|
|
612
|
|
146
|
613 smcf = ngx_http_get_module_main_conf(r,
|
|
|
614 ngx_http_ssi_filter_module);
|
|
|
615
|
|
|
616 cmd = ngx_hash_find(&smcf->hash, ctx->key, ctx->command.data,
|
|
|
617 ctx->command.len);
|
|
|
618
|
|
|
619 if (cmd == NULL) {
|
|
|
620 if (ctx->output) {
|
|
|
621 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
622 "invalid SSI command: \"%V\"",
|
|
|
623 &ctx->command);
|
|
|
624 goto ssi_error;
|
|
46
|
625 }
|
|
|
626
|
|
146
|
627 continue;
|
|
46
|
628 }
|
|
|
629
|
|
216
|
630 if (!ctx->output && !cmd->block) {
|
|
|
631
|
|
|
632 if (ctx->block) {
|
|
|
633
|
|
|
634 /* reconstruct the SSI command text */
|
|
|
635
|
|
|
636 len = 5 + ctx->command.len + 4;
|
|
|
637
|
|
|
638 param = ctx->params.elts;
|
|
|
639 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
640 len += 1 + param[i].key.len + 2
|
|
|
641 + param[i].value.len + 1;
|
|
|
642 }
|
|
|
643
|
|
|
644 b = ngx_create_temp_buf(r->pool, len);
|
|
|
645
|
|
|
646 if (b == NULL) {
|
|
|
647 return NGX_ERROR;
|
|
|
648 }
|
|
|
649
|
|
|
650 cl = ngx_alloc_chain_link(r->pool);
|
|
|
651 if (cl == NULL) {
|
|
|
652 return NGX_ERROR;
|
|
|
653 }
|
|
|
654
|
|
|
655 cl->buf = b;
|
|
|
656 cl->next = NULL;
|
|
|
657
|
|
|
658 *b->last++ = '<';
|
|
|
659 *b->last++ = '!';
|
|
|
660 *b->last++ = '-';
|
|
|
661 *b->last++ = '-';
|
|
|
662 *b->last++ = '#';
|
|
|
663
|
|
|
664 b->last = ngx_cpymem(b->last, ctx->command.data,
|
|
|
665 ctx->command.len);
|
|
|
666
|
|
|
667 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
668 *b->last++ = ' ';
|
|
|
669 b->last = ngx_cpymem(b->last, param[i].key.data,
|
|
|
670 param[i].key.len);
|
|
|
671 *b->last++ = '=';
|
|
|
672 *b->last++ = '"';
|
|
|
673 b->last = ngx_cpymem(b->last, param[i].value.data,
|
|
|
674 param[i].value.len);
|
|
|
675 *b->last++ = '"';
|
|
|
676 }
|
|
|
677
|
|
|
678 *b->last++ = ' ';
|
|
|
679 *b->last++ = '-';
|
|
|
680 *b->last++ = '-';
|
|
|
681 *b->last++ = '>';
|
|
|
682
|
|
|
683 mctx = ngx_http_get_module_ctx(r->main,
|
|
|
684 ngx_http_ssi_filter_module);
|
|
|
685 bl = mctx->blocks->elts;
|
|
|
686 for (ll = &bl[mctx->blocks->nelts - 1].bufs;
|
|
|
687 *ll;
|
|
|
688 ll = &(*ll)->next)
|
|
|
689 {
|
|
|
690 /* void */
|
|
|
691 }
|
|
|
692
|
|
|
693 *ll = cl;
|
|
|
694
|
|
|
695 b = NULL;
|
|
|
696
|
|
|
697 continue;
|
|
|
698 }
|
|
|
699
|
|
|
700 if (cmd->conditional == 0) {
|
|
|
701 continue;
|
|
|
702 }
|
|
58
|
703 }
|
|
|
704
|
|
656
|
705 if (cmd->conditional
|
|
|
706 && (ctx->conditional == 0
|
|
|
707 || ctx->conditional > cmd->conditional))
|
|
|
708 {
|
|
|
709 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
710 "invalid context of SSI command: \"%V\"",
|
|
|
711 &ctx->command);
|
|
|
712 goto ssi_error;
|
|
|
713 }
|
|
|
714
|
|
146
|
715 if (ctx->params.nelts > NGX_HTTP_SSI_MAX_PARAMS) {
|
|
|
716 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
717 "too many SSI command paramters: \"%V\"",
|
|
|
718 &ctx->command);
|
|
|
719 goto ssi_error;
|
|
|
720 }
|
|
|
721
|
|
46
|
722 ngx_memzero(params,
|
|
148
|
723 (NGX_HTTP_SSI_MAX_PARAMS + 1) * sizeof(ngx_str_t *));
|
|
46
|
724
|
|
|
725 param = ctx->params.elts;
|
|
|
726
|
|
|
727 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
728
|
|
|
729 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
730
|
|
|
731 if (param[i].key.len != prm->name.len
|
|
|
732 || ngx_strncmp(param[i].key.data, prm->name.data,
|
|
|
733 prm->name.len) != 0)
|
|
|
734 {
|
|
|
735 continue;
|
|
|
736 }
|
|
|
737
|
|
146
|
738 if (!prm->multiple) {
|
|
|
739 if (params[prm->index]) {
|
|
|
740 ngx_log_error(NGX_LOG_ERR,
|
|
|
741 r->connection->log, 0,
|
|
|
742 "duplicate \"%V\" parameter "
|
|
|
743 "in \"%V\" SSI command",
|
|
|
744 ¶m[i].key, &ctx->command);
|
|
|
745
|
|
|
746 goto ssi_error;
|
|
|
747 }
|
|
|
748
|
|
|
749 params[prm->index] = ¶m[i].value;
|
|
|
750
|
|
|
751 break;
|
|
46
|
752 }
|
|
|
753
|
|
146
|
754 for (index = prm->index; params[index]; index++) {
|
|
|
755 /* void */
|
|
|
756 }
|
|
|
757
|
|
|
758 params[index] = ¶m[i].value;
|
|
46
|
759
|
|
|
760 break;
|
|
|
761 }
|
|
|
762
|
|
|
763 if (prm->name.len == 0) {
|
|
|
764 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
765 "invalid parameter name: \"%V\" "
|
|
|
766 "in \"%V\" SSI command",
|
|
|
767 ¶m[i].key, &ctx->command);
|
|
|
768
|
|
|
769 goto ssi_error;
|
|
|
770 }
|
|
|
771 }
|
|
|
772
|
|
|
773 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
774 if (prm->mandatory && params[prm->index] == 0) {
|
|
|
775 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
776 "mandatory \"%V\" parameter is absent "
|
|
|
777 "in \"%V\" SSI command",
|
|
|
778 &prm->name, &ctx->command);
|
|
|
779
|
|
|
780 goto ssi_error;
|
|
|
781 }
|
|
|
782 }
|
|
|
783
|
|
426
|
784 if (cmd->flush && ctx->out) {
|
|
|
785
|
|
|
786 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
787 "ssi flush");
|
|
|
788
|
|
|
789 if (ngx_http_ssi_output(r, ctx) == NGX_ERROR) {
|
|
58
|
790 return NGX_ERROR;
|
|
|
791 }
|
|
|
792 }
|
|
|
793
|
|
118
|
794 rc = cmd->handler(r, ctx, params);
|
|
|
795
|
|
|
796 if (rc == NGX_OK) {
|
|
46
|
797 continue;
|
|
|
798 }
|
|
132
|
799
|
|
248
|
800 if (rc == NGX_DONE || rc == NGX_AGAIN || rc == NGX_ERROR) {
|
|
586
|
801 ngx_http_ssi_buffered(r, ctx);
|
|
248
|
802 return rc;
|
|
132
|
803 }
|
|
46
|
804 }
|
|
|
805
|
|
|
806
|
|
|
807 /* rc == NGX_HTTP_SSI_ERROR */
|
|
|
808
|
|
48
|
809 ssi_error:
|
|
46
|
810
|
|
146
|
811 if (slcf->silent_errors) {
|
|
46
|
812 continue;
|
|
|
813 }
|
|
|
814
|
|
48
|
815 if (ctx->free) {
|
|
|
816 cl = ctx->free;
|
|
|
817 ctx->free = ctx->free->next;
|
|
|
818 b = cl->buf;
|
|
|
819 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
820
|
|
|
821 } else {
|
|
|
822 b = ngx_calloc_buf(r->pool);
|
|
|
823 if (b == NULL) {
|
|
|
824 return NGX_ERROR;
|
|
|
825 }
|
|
|
826
|
|
|
827 cl = ngx_alloc_chain_link(r->pool);
|
|
|
828 if (cl == NULL) {
|
|
|
829 return NGX_ERROR;
|
|
|
830 }
|
|
|
831
|
|
|
832 cl->buf = b;
|
|
46
|
833 }
|
|
|
834
|
|
|
835 b->memory = 1;
|
|
96
|
836 b->pos = ctx->errmsg.data;
|
|
|
837 b->last = ctx->errmsg.data + ctx->errmsg.len;
|
|
46
|
838
|
|
|
839 cl->next = NULL;
|
|
|
840 *ctx->last_out = cl;
|
|
|
841 ctx->last_out = &cl->next;
|
|
|
842
|
|
|
843 continue;
|
|
|
844 }
|
|
|
845
|
|
236
|
846 if (ctx->buf->last_buf || ngx_buf_in_memory(ctx->buf)) {
|
|
48
|
847 if (b == NULL) {
|
|
|
848 if (ctx->free) {
|
|
|
849 cl = ctx->free;
|
|
|
850 ctx->free = ctx->free->next;
|
|
|
851 b = cl->buf;
|
|
|
852 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
853
|
|
|
854 } else {
|
|
|
855 b = ngx_calloc_buf(r->pool);
|
|
|
856 if (b == NULL) {
|
|
|
857 return NGX_ERROR;
|
|
|
858 }
|
|
46
|
859
|
|
48
|
860 cl = ngx_alloc_chain_link(r->pool);
|
|
|
861 if (cl == NULL) {
|
|
|
862 return NGX_ERROR;
|
|
|
863 }
|
|
|
864
|
|
|
865 cl->buf = b;
|
|
|
866 }
|
|
|
867
|
|
58
|
868 b->sync = 1;
|
|
|
869
|
|
48
|
870 cl->next = NULL;
|
|
|
871 *ctx->last_out = cl;
|
|
|
872 ctx->last_out = &cl->next;
|
|
|
873 }
|
|
|
874
|
|
|
875 b->last_buf = ctx->buf->last_buf;
|
|
|
876 b->shadow = ctx->buf;
|
|
58
|
877
|
|
146
|
878 if (slcf->ignore_recycled_buffers == 0) {
|
|
58
|
879 b->recycled = ctx->buf->recycled;
|
|
|
880 }
|
|
46
|
881 }
|
|
|
882
|
|
48
|
883 ctx->buf = NULL;
|
|
|
884
|
|
46
|
885 ctx->saved = ctx->looked;
|
|
|
886 }
|
|
|
887
|
|
48
|
888 if (ctx->out == NULL && ctx->busy == NULL) {
|
|
46
|
889 return NGX_OK;
|
|
|
890 }
|
|
|
891
|
|
58
|
892 return ngx_http_ssi_output(r, ctx);
|
|
|
893 }
|
|
|
894
|
|
|
895
|
|
|
896 static ngx_int_t
|
|
|
897 ngx_http_ssi_output(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
898 {
|
|
|
899 ngx_int_t rc;
|
|
|
900 ngx_buf_t *b;
|
|
|
901 ngx_chain_t *cl;
|
|
|
902
|
|
190
|
903 #if 1
|
|
|
904 b = NULL;
|
|
|
905 for (cl = ctx->out; cl; cl = cl->next) {
|
|
192
|
906 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
907 "ssi out: %p %p", cl->buf, cl->buf->pos);
|
|
190
|
908 if (cl->buf == b) {
|
|
|
909 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
910 "the same buf was used in ssi");
|
|
|
911 ngx_debug_point();
|
|
|
912 return NGX_ERROR;
|
|
|
913 }
|
|
|
914 b = cl->buf;
|
|
|
915 }
|
|
|
916 #endif
|
|
|
917
|
|
46
|
918 rc = ngx_http_next_body_filter(r, ctx->out);
|
|
|
919
|
|
48
|
920 if (ctx->busy == NULL) {
|
|
|
921 ctx->busy = ctx->out;
|
|
|
922
|
|
|
923 } else {
|
|
|
924 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ }
|
|
|
925 cl->next = ctx->out;
|
|
|
926 }
|
|
|
927
|
|
46
|
928 ctx->out = NULL;
|
|
|
929 ctx->last_out = &ctx->out;
|
|
|
930
|
|
48
|
931 while (ctx->busy) {
|
|
|
932
|
|
206
|
933 cl = ctx->busy;
|
|
|
934 b = cl->buf;
|
|
48
|
935
|
|
|
936 if (ngx_buf_size(b) != 0) {
|
|
|
937 break;
|
|
|
938 }
|
|
|
939
|
|
|
940 if (b->shadow) {
|
|
|
941 b->shadow->pos = b->shadow->last;
|
|
|
942 }
|
|
|
943
|
|
|
944 ctx->busy = cl->next;
|
|
194
|
945
|
|
|
946 if (ngx_buf_in_memory(b) || b->in_file) {
|
|
|
947 /* add data bufs only to the free buf chain */
|
|
|
948
|
|
|
949 cl->next = ctx->free;
|
|
|
950 ctx->free = cl;
|
|
|
951 }
|
|
48
|
952 }
|
|
|
953
|
|
586
|
954 ngx_http_ssi_buffered(r, ctx);
|
|
|
955
|
|
|
956 return rc;
|
|
|
957 }
|
|
|
958
|
|
|
959
|
|
|
960 static void
|
|
|
961 ngx_http_ssi_buffered(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
962 {
|
|
254
|
963 if (ctx->in || ctx->buf) {
|
|
|
964 r->buffered |= NGX_HTTP_SSI_BUFFERED;
|
|
|
965
|
|
|
966 } else {
|
|
|
967 r->buffered &= ~NGX_HTTP_SSI_BUFFERED;
|
|
|
968 }
|
|
46
|
969 }
|
|
|
970
|
|
|
971
|
|
|
972 static ngx_int_t
|
|
|
973 ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
974 {
|
|
158
|
975 u_char *p, *value, *last, *copy_end, ch;
|
|
46
|
976 size_t looked;
|
|
|
977 ngx_http_ssi_state_e state;
|
|
|
978
|
|
|
979 state = ctx->state;
|
|
|
980 looked = ctx->looked;
|
|
|
981 last = ctx->buf->last;
|
|
|
982 copy_end = ctx->copy_end;
|
|
|
983
|
|
|
984 for (p = ctx->pos; p < last; p++) {
|
|
|
985
|
|
|
986 ch = *p;
|
|
|
987
|
|
|
988 if (state == ssi_start_state) {
|
|
|
989
|
|
|
990 /* the tight loop */
|
|
|
991
|
|
48
|
992 for ( ;; ) {
|
|
|
993 if (ch == '<') {
|
|
|
994 copy_end = p;
|
|
|
995 looked = 1;
|
|
|
996 state = ssi_tag_state;
|
|
|
997
|
|
|
998 goto tag_started;
|
|
46
|
999 }
|
|
|
1000
|
|
48
|
1001 if (++p == last) {
|
|
|
1002 break;
|
|
|
1003 }
|
|
46
|
1004
|
|
48
|
1005 ch = *p;
|
|
46
|
1006 }
|
|
|
1007
|
|
314
|
1008 ctx->state = state;
|
|
46
|
1009 ctx->pos = p;
|
|
|
1010 ctx->looked = looked;
|
|
|
1011 ctx->copy_end = p;
|
|
|
1012
|
|
|
1013 if (ctx->copy_start == NULL) {
|
|
|
1014 ctx->copy_start = ctx->buf->pos;
|
|
|
1015 }
|
|
|
1016
|
|
|
1017 return NGX_AGAIN;
|
|
|
1018
|
|
48
|
1019 tag_started:
|
|
|
1020
|
|
46
|
1021 continue;
|
|
|
1022 }
|
|
|
1023
|
|
|
1024 switch (state) {
|
|
|
1025
|
|
|
1026 case ssi_start_state:
|
|
|
1027 break;
|
|
|
1028
|
|
|
1029 case ssi_tag_state:
|
|
|
1030 switch (ch) {
|
|
|
1031 case '!':
|
|
|
1032 looked = 2;
|
|
|
1033 state = ssi_comment0_state;
|
|
|
1034 break;
|
|
|
1035
|
|
|
1036 case '<':
|
|
|
1037 copy_end = p;
|
|
|
1038 break;
|
|
|
1039
|
|
|
1040 default:
|
|
|
1041 copy_end = p;
|
|
|
1042 looked = 0;
|
|
|
1043 state = ssi_start_state;
|
|
|
1044 break;
|
|
|
1045 }
|
|
|
1046
|
|
|
1047 break;
|
|
|
1048
|
|
|
1049 case ssi_comment0_state:
|
|
|
1050 switch (ch) {
|
|
|
1051 case '-':
|
|
|
1052 looked = 3;
|
|
|
1053 state = ssi_comment1_state;
|
|
|
1054 break;
|
|
|
1055
|
|
|
1056 case '<':
|
|
|
1057 copy_end = p;
|
|
|
1058 looked = 1;
|
|
|
1059 state = ssi_tag_state;
|
|
|
1060 break;
|
|
|
1061
|
|
|
1062 default:
|
|
|
1063 copy_end = p;
|
|
|
1064 looked = 0;
|
|
|
1065 state = ssi_start_state;
|
|
|
1066 break;
|
|
|
1067 }
|
|
|
1068
|
|
|
1069 break;
|
|
|
1070
|
|
|
1071 case ssi_comment1_state:
|
|
|
1072 switch (ch) {
|
|
|
1073 case '-':
|
|
|
1074 looked = 4;
|
|
|
1075 state = ssi_sharp_state;
|
|
|
1076 break;
|
|
|
1077
|
|
|
1078 case '<':
|
|
|
1079 copy_end = p;
|
|
|
1080 looked = 1;
|
|
|
1081 state = ssi_tag_state;
|
|
|
1082 break;
|
|
|
1083
|
|
|
1084 default:
|
|
|
1085 copy_end = p;
|
|
|
1086 looked = 0;
|
|
|
1087 state = ssi_start_state;
|
|
|
1088 break;
|
|
|
1089 }
|
|
|
1090
|
|
|
1091 break;
|
|
|
1092
|
|
|
1093 case ssi_sharp_state:
|
|
|
1094 switch (ch) {
|
|
|
1095 case '#':
|
|
208
|
1096 if (p - ctx->pos < 4) {
|
|
|
1097 ctx->saved = 0;
|
|
|
1098 }
|
|
46
|
1099 looked = 0;
|
|
|
1100 state = ssi_precommand_state;
|
|
|
1101 break;
|
|
|
1102
|
|
|
1103 case '<':
|
|
|
1104 copy_end = p;
|
|
|
1105 looked = 1;
|
|
|
1106 state = ssi_tag_state;
|
|
|
1107 break;
|
|
|
1108
|
|
|
1109 default:
|
|
|
1110 copy_end = p;
|
|
|
1111 looked = 0;
|
|
|
1112 state = ssi_start_state;
|
|
|
1113 break;
|
|
|
1114 }
|
|
|
1115
|
|
|
1116 break;
|
|
|
1117
|
|
|
1118 case ssi_precommand_state:
|
|
|
1119 switch (ch) {
|
|
|
1120 case ' ':
|
|
|
1121 case CR:
|
|
|
1122 case LF:
|
|
|
1123 case '\t':
|
|
|
1124 break;
|
|
|
1125
|
|
|
1126 default:
|
|
|
1127 ctx->command.len = 1;
|
|
382
|
1128 ctx->command.data = ngx_pnalloc(r->pool,
|
|
|
1129 NGX_HTTP_SSI_COMMAND_LEN);
|
|
46
|
1130 if (ctx->command.data == NULL) {
|
|
|
1131 return NGX_ERROR;
|
|
|
1132 }
|
|
|
1133
|
|
|
1134 ctx->command.data[0] = ch;
|
|
158
|
1135
|
|
146
|
1136 ctx->key = 0;
|
|
|
1137 ctx->key = ngx_hash(ctx->key, ch);
|
|
|
1138
|
|
46
|
1139 ctx->params.nelts = 0;
|
|
178
|
1140
|
|
46
|
1141 state = ssi_command_state;
|
|
|
1142 break;
|
|
|
1143 }
|
|
|
1144
|
|
|
1145 break;
|
|
|
1146
|
|
|
1147 case ssi_command_state:
|
|
|
1148 switch (ch) {
|
|
|
1149 case ' ':
|
|
|
1150 case CR:
|
|
|
1151 case LF:
|
|
|
1152 case '\t':
|
|
|
1153 state = ssi_preparam_state;
|
|
|
1154 break;
|
|
|
1155
|
|
|
1156 case '-':
|
|
|
1157 state = ssi_comment_end0_state;
|
|
|
1158 break;
|
|
|
1159
|
|
|
1160 default:
|
|
|
1161 if (ctx->command.len == NGX_HTTP_SSI_COMMAND_LEN) {
|
|
|
1162 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1163 "the \"%V%c...\" SSI command is too long",
|
|
|
1164 &ctx->command, ch);
|
|
46
|
1165
|
|
|
1166 state = ssi_error_state;
|
|
|
1167 break;
|
|
|
1168 }
|
|
158
|
1169
|
|
|
1170 ctx->command.data[ctx->command.len++] = ch;
|
|
|
1171 ctx->key = ngx_hash(ctx->key, ch);
|
|
46
|
1172 }
|
|
|
1173
|
|
|
1174 break;
|
|
|
1175
|
|
|
1176 case ssi_preparam_state:
|
|
|
1177 switch (ch) {
|
|
|
1178 case ' ':
|
|
|
1179 case CR:
|
|
|
1180 case LF:
|
|
|
1181 case '\t':
|
|
|
1182 break;
|
|
|
1183
|
|
|
1184 case '-':
|
|
|
1185 state = ssi_comment_end0_state;
|
|
|
1186 break;
|
|
|
1187
|
|
|
1188 default:
|
|
48
|
1189 ctx->param = ngx_array_push(&ctx->params);
|
|
|
1190 if (ctx->param == NULL) {
|
|
46
|
1191 return NGX_ERROR;
|
|
|
1192 }
|
|
|
1193
|
|
|
1194 ctx->param->key.len = 1;
|
|
382
|
1195 ctx->param->key.data = ngx_pnalloc(r->pool,
|
|
|
1196 NGX_HTTP_SSI_PARAM_LEN);
|
|
46
|
1197 if (ctx->param->key.data == NULL) {
|
|
|
1198 return NGX_ERROR;
|
|
|
1199 }
|
|
|
1200
|
|
|
1201 ctx->param->key.data[0] = ch;
|
|
|
1202
|
|
|
1203 ctx->param->value.len = 0;
|
|
158
|
1204
|
|
|
1205 if (ctx->value_buf == NULL) {
|
|
382
|
1206 ctx->param->value.data = ngx_pnalloc(r->pool,
|
|
|
1207 ctx->value_len);
|
|
158
|
1208 if (ctx->param->value.data == NULL) {
|
|
|
1209 return NGX_ERROR;
|
|
|
1210 }
|
|
|
1211
|
|
|
1212 } else {
|
|
|
1213 ctx->param->value.data = ctx->value_buf;
|
|
46
|
1214 }
|
|
|
1215
|
|
|
1216 state = ssi_param_state;
|
|
|
1217 break;
|
|
|
1218 }
|
|
|
1219
|
|
|
1220 break;
|
|
|
1221
|
|
|
1222 case ssi_param_state:
|
|
|
1223 switch (ch) {
|
|
|
1224 case ' ':
|
|
|
1225 case CR:
|
|
|
1226 case LF:
|
|
|
1227 case '\t':
|
|
|
1228 state = ssi_preequal_state;
|
|
|
1229 break;
|
|
|
1230
|
|
|
1231 case '=':
|
|
|
1232 state = ssi_prevalue_state;
|
|
|
1233 break;
|
|
|
1234
|
|
|
1235 case '-':
|
|
|
1236 state = ssi_error_end0_state;
|
|
|
1237
|
|
|
1238 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
|
1239 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1240 "invalid \"%V\" parameter in \"%V\" SSI command",
|
|
|
1241 &ctx->param->key, &ctx->command);
|
|
|
1242 break;
|
|
|
1243
|
|
|
1244 default:
|
|
|
1245 if (ctx->param->key.len == NGX_HTTP_SSI_PARAM_LEN) {
|
|
|
1246 state = ssi_error_state;
|
|
|
1247 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1248 "too long \"%V%c...\" parameter in "
|
|
46
|
1249 "\"%V\" SSI command",
|
|
158
|
1250 &ctx->param->key, ch, &ctx->command);
|
|
46
|
1251 break;
|
|
|
1252 }
|
|
158
|
1253
|
|
|
1254 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
46
|
1255 }
|
|
|
1256
|
|
|
1257 break;
|
|
|
1258
|
|
|
1259 case ssi_preequal_state:
|
|
|
1260 switch (ch) {
|
|
|
1261 case ' ':
|
|
|
1262 case CR:
|
|
|
1263 case LF:
|
|
|
1264 case '\t':
|
|
|
1265 break;
|
|
|
1266
|
|
|
1267 case '=':
|
|
|
1268 state = ssi_prevalue_state;
|
|
|
1269 break;
|
|
|
1270
|
|
|
1271 default:
|
|
|
1272 if (ch == '-') {
|
|
|
1273 state = ssi_error_end0_state;
|
|
|
1274 } else {
|
|
|
1275 state = ssi_error_state;
|
|
|
1276 }
|
|
|
1277
|
|
|
1278 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1279 "unexpected \"%c\" symbol after \"%V\" "
|
|
|
1280 "parameter in \"%V\" SSI command",
|
|
|
1281 ch, &ctx->param->key, &ctx->command);
|
|
|
1282 break;
|
|
|
1283 }
|
|
|
1284
|
|
|
1285 break;
|
|
|
1286
|
|
|
1287 case ssi_prevalue_state:
|
|
|
1288 switch (ch) {
|
|
|
1289 case ' ':
|
|
|
1290 case CR:
|
|
|
1291 case LF:
|
|
|
1292 case '\t':
|
|
|
1293 break;
|
|
|
1294
|
|
|
1295 case '"':
|
|
|
1296 state = ssi_double_quoted_value_state;
|
|
|
1297 break;
|
|
|
1298
|
|
|
1299 case '\'':
|
|
|
1300 state = ssi_quoted_value_state;
|
|
|
1301 break;
|
|
|
1302
|
|
|
1303 default:
|
|
|
1304 if (ch == '-') {
|
|
|
1305 state = ssi_error_end0_state;
|
|
|
1306 } else {
|
|
|
1307 state = ssi_error_state;
|
|
|
1308 }
|
|
|
1309
|
|
|
1310 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1311 "unexpected \"%c\" symbol before value of "
|
|
|
1312 "\"%V\" parameter in \"%V\" SSI command",
|
|
|
1313 ch, &ctx->param->key, &ctx->command);
|
|
|
1314 break;
|
|
|
1315 }
|
|
|
1316
|
|
|
1317 break;
|
|
|
1318
|
|
|
1319 case ssi_double_quoted_value_state:
|
|
|
1320 switch (ch) {
|
|
108
|
1321 case '"':
|
|
|
1322 state = ssi_postparam_state;
|
|
|
1323 break;
|
|
|
1324
|
|
46
|
1325 case '\\':
|
|
|
1326 ctx->saved_state = ssi_double_quoted_value_state;
|
|
|
1327 state = ssi_quoted_symbol_state;
|
|
108
|
1328
|
|
|
1329 /* fall through */
|
|
46
|
1330
|
|
|
1331 default:
|
|
|
1332 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1333 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1334 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1335 "parameter in \"%V\" SSI command",
|
|
|
1336 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1337 &ctx->command);
|
|
|
1338 state = ssi_error_state;
|
|
|
1339 break;
|
|
|
1340 }
|
|
158
|
1341
|
|
|
1342 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1343 }
|
|
|
1344
|
|
|
1345 break;
|
|
|
1346
|
|
|
1347 case ssi_quoted_value_state:
|
|
|
1348 switch (ch) {
|
|
108
|
1349 case '\'':
|
|
|
1350 state = ssi_postparam_state;
|
|
|
1351 break;
|
|
|
1352
|
|
46
|
1353 case '\\':
|
|
|
1354 ctx->saved_state = ssi_quoted_value_state;
|
|
|
1355 state = ssi_quoted_symbol_state;
|
|
108
|
1356
|
|
|
1357 /* fall through */
|
|
46
|
1358
|
|
|
1359 default:
|
|
|
1360 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1361 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1362 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1363 "parameter in \"%V\" SSI command",
|
|
|
1364 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1365 &ctx->command);
|
|
|
1366 state = ssi_error_state;
|
|
|
1367 break;
|
|
|
1368 }
|
|
158
|
1369
|
|
|
1370 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1371 }
|
|
|
1372
|
|
|
1373 break;
|
|
|
1374
|
|
|
1375 case ssi_quoted_symbol_state:
|
|
108
|
1376 state = ctx->saved_state;
|
|
|
1377
|
|
46
|
1378 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
|
1379
|
|
|
1380 break;
|
|
|
1381
|
|
|
1382 case ssi_postparam_state:
|
|
158
|
1383
|
|
200
|
1384 if (ctx->param->value.len + 1 < ctx->value_len / 2) {
|
|
382
|
1385 value = ngx_pnalloc(r->pool, ctx->param->value.len + 1);
|
|
158
|
1386 if (value == NULL) {
|
|
|
1387 return NGX_ERROR;
|
|
|
1388 }
|
|
|
1389
|
|
|
1390 ngx_memcpy(value, ctx->param->value.data,
|
|
|
1391 ctx->param->value.len);
|
|
|
1392
|
|
|
1393 ctx->value_buf = ctx->param->value.data;
|
|
|
1394 ctx->param->value.data = value;
|
|
|
1395
|
|
|
1396 } else {
|
|
|
1397 ctx->value_buf = NULL;
|
|
|
1398 }
|
|
|
1399
|
|
46
|
1400 switch (ch) {
|
|
|
1401 case ' ':
|
|
|
1402 case CR:
|
|
|
1403 case LF:
|
|
|
1404 case '\t':
|
|
|
1405 state = ssi_preparam_state;
|
|
|
1406 break;
|
|
|
1407
|
|
|
1408 case '-':
|
|
|
1409 state = ssi_comment_end0_state;
|
|
|
1410 break;
|
|
|
1411
|
|
|
1412 default:
|
|
|
1413 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1414 "unexpected \"%c\" symbol after \"%V\" value "
|
|
|
1415 "of \"%V\" parameter in \"%V\" SSI command",
|
|
|
1416 ch, &ctx->param->value, &ctx->param->key,
|
|
|
1417 &ctx->command);
|
|
|
1418 state = ssi_error_state;
|
|
|
1419 break;
|
|
|
1420 }
|
|
|
1421
|
|
|
1422 break;
|
|
|
1423
|
|
|
1424 case ssi_comment_end0_state:
|
|
|
1425 switch (ch) {
|
|
|
1426 case '-':
|
|
|
1427 state = ssi_comment_end1_state;
|
|
|
1428 break;
|
|
|
1429
|
|
|
1430 default:
|
|
|
1431 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1432 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1433 ch, &ctx->command);
|
|
|
1434 state = ssi_error_state;
|
|
|
1435 break;
|
|
|
1436 }
|
|
|
1437
|
|
|
1438 break;
|
|
|
1439
|
|
|
1440 case ssi_comment_end1_state:
|
|
|
1441 switch (ch) {
|
|
|
1442 case '>':
|
|
|
1443 ctx->state = ssi_start_state;
|
|
|
1444 ctx->pos = p + 1;
|
|
|
1445 ctx->looked = looked;
|
|
|
1446 ctx->copy_end = copy_end;
|
|
|
1447
|
|
|
1448 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1449 ctx->copy_start = ctx->buf->pos;
|
|
|
1450 }
|
|
|
1451
|
|
|
1452 return NGX_OK;
|
|
|
1453
|
|
|
1454 default:
|
|
|
1455 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1456 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1457 ch, &ctx->command);
|
|
|
1458 state = ssi_error_state;
|
|
|
1459 break;
|
|
|
1460 }
|
|
|
1461
|
|
|
1462 break;
|
|
|
1463
|
|
|
1464 case ssi_error_state:
|
|
|
1465 switch (ch) {
|
|
|
1466 case '-':
|
|
|
1467 state = ssi_error_end0_state;
|
|
|
1468 break;
|
|
|
1469
|
|
|
1470 default:
|
|
|
1471 break;
|
|
|
1472 }
|
|
|
1473
|
|
|
1474 break;
|
|
|
1475
|
|
|
1476 case ssi_error_end0_state:
|
|
|
1477 switch (ch) {
|
|
|
1478 case '-':
|
|
|
1479 state = ssi_error_end1_state;
|
|
|
1480 break;
|
|
|
1481
|
|
|
1482 default:
|
|
|
1483 state = ssi_error_state;
|
|
|
1484 break;
|
|
|
1485 }
|
|
|
1486
|
|
|
1487 break;
|
|
|
1488
|
|
|
1489 case ssi_error_end1_state:
|
|
|
1490 switch (ch) {
|
|
|
1491 case '>':
|
|
|
1492 ctx->state = ssi_start_state;
|
|
|
1493 ctx->pos = p + 1;
|
|
|
1494 ctx->looked = looked;
|
|
|
1495 ctx->copy_end = copy_end;
|
|
|
1496
|
|
|
1497 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1498 ctx->copy_start = ctx->buf->pos;
|
|
|
1499 }
|
|
|
1500
|
|
|
1501 return NGX_HTTP_SSI_ERROR;
|
|
|
1502
|
|
|
1503 default:
|
|
|
1504 state = ssi_error_state;
|
|
|
1505 break;
|
|
|
1506 }
|
|
|
1507
|
|
|
1508 break;
|
|
|
1509 }
|
|
|
1510 }
|
|
|
1511
|
|
|
1512 ctx->state = state;
|
|
|
1513 ctx->pos = p;
|
|
|
1514 ctx->looked = looked;
|
|
|
1515
|
|
|
1516 ctx->copy_end = (state == ssi_start_state) ? p : copy_end;
|
|
|
1517
|
|
|
1518 if (ctx->copy_start == NULL && ctx->copy_end) {
|
|
|
1519 ctx->copy_start = ctx->buf->pos;
|
|
|
1520 }
|
|
|
1521
|
|
|
1522 return NGX_AGAIN;
|
|
|
1523 }
|
|
|
1524
|
|
|
1525
|
|
102
|
1526 static ngx_str_t *
|
|
160
|
1527 ngx_http_ssi_get_variable(ngx_http_request_t *r, ngx_str_t *name,
|
|
|
1528 ngx_uint_t key)
|
|
102
|
1529 {
|
|
|
1530 ngx_uint_t i;
|
|
248
|
1531 ngx_list_part_t *part;
|
|
102
|
1532 ngx_http_ssi_var_t *var;
|
|
|
1533 ngx_http_ssi_ctx_t *ctx;
|
|
|
1534
|
|
|
1535 ctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
1536
|
|
656
|
1537 #if (NGX_PCRE)
|
|
|
1538 {
|
|
|
1539 ngx_str_t *value;
|
|
|
1540
|
|
|
1541 if (key >= '0' && key <= '9') {
|
|
|
1542 i = key - '0';
|
|
|
1543
|
|
|
1544 if (i < ctx->ncaptures) {
|
|
|
1545 value = ngx_palloc(r->pool, sizeof(ngx_str_t));
|
|
|
1546 if (value == NULL) {
|
|
|
1547 return NULL;
|
|
|
1548 }
|
|
|
1549
|
|
|
1550 i *= 2;
|
|
|
1551
|
|
|
1552 value->data = ctx->captures_data + ctx->captures[i];
|
|
|
1553 value->len = ctx->captures[i + 1] - ctx->captures[i];
|
|
|
1554
|
|
|
1555 return value;
|
|
|
1556 }
|
|
|
1557 }
|
|
|
1558 }
|
|
|
1559 #endif
|
|
|
1560
|
|
216
|
1561 if (ctx->variables == NULL) {
|
|
|
1562 return NULL;
|
|
|
1563 }
|
|
|
1564
|
|
248
|
1565 part = &ctx->variables->part;
|
|
|
1566 var = part->elts;
|
|
|
1567
|
|
|
1568 for (i = 0; /* void */ ; i++) {
|
|
|
1569
|
|
|
1570 if (i >= part->nelts) {
|
|
|
1571 if (part->next == NULL) {
|
|
|
1572 break;
|
|
|
1573 }
|
|
250
|
1574
|
|
248
|
1575 part = part->next;
|
|
|
1576 var = part->elts;
|
|
|
1577 i = 0;
|
|
|
1578 }
|
|
|
1579
|
|
102
|
1580 if (name->len != var[i].name.len) {
|
|
|
1581 continue;
|
|
|
1582 }
|
|
|
1583
|
|
160
|
1584 if (key != var[i].key) {
|
|
|
1585 continue;
|
|
|
1586 }
|
|
|
1587
|
|
|
1588 if (ngx_strncmp(name->data, var[i].name.data, name->len) == 0) {
|
|
102
|
1589 return &var[i].value;
|
|
|
1590 }
|
|
|
1591 }
|
|
|
1592
|
|
|
1593 return NULL;
|
|
|
1594 }
|
|
|
1595
|
|
|
1596
|
|
|
1597 static ngx_int_t
|
|
|
1598 ngx_http_ssi_evaluate_string(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1599 ngx_str_t *text, ngx_uint_t flags)
|
|
|
1600 {
|
|
122
|
1601 u_char ch, *p, **value, *data, *part_data;
|
|
|
1602 size_t *size, len, prefix, part_len;
|
|
|
1603 ngx_str_t var, *val;
|
|
160
|
1604 ngx_int_t key;
|
|
392
|
1605 ngx_uint_t i, n, bracket, quoted;
|
|
102
|
1606 ngx_array_t lengths, values;
|
|
|
1607 ngx_http_variable_value_t *vv;
|
|
|
1608
|
|
|
1609 n = ngx_http_script_variables_count(text);
|
|
|
1610
|
|
|
1611 if (n == 0) {
|
|
|
1612
|
|
206
|
1613 data = text->data;
|
|
|
1614 p = data;
|
|
|
1615
|
|
|
1616 if ((flags & NGX_HTTP_SSI_ADD_PREFIX) && text->data[0] != '/') {
|
|
|
1617
|
|
102
|
1618 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1619 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1620 break;
|
|
|
1621 }
|
|
|
1622 }
|
|
|
1623
|
|
|
1624 if (prefix) {
|
|
|
1625 len = prefix + text->len;
|
|
|
1626
|
|
382
|
1627 data = ngx_pnalloc(r->pool, len);
|
|
102
|
1628 if (data == NULL) {
|
|
|
1629 return NGX_ERROR;
|
|
|
1630 }
|
|
|
1631
|
|
122
|
1632 p = ngx_copy(data, r->uri.data, prefix);
|
|
102
|
1633 }
|
|
|
1634 }
|
|
|
1635
|
|
206
|
1636 quoted = 0;
|
|
|
1637
|
|
378
|
1638 for (i = 0; i < text->len; i++) {
|
|
206
|
1639 ch = text->data[i];
|
|
|
1640
|
|
|
1641 if (!quoted) {
|
|
|
1642
|
|
|
1643 if (ch == '\\') {
|
|
|
1644 quoted = 1;
|
|
|
1645 continue;
|
|
|
1646 }
|
|
|
1647
|
|
|
1648 } else {
|
|
|
1649 quoted = 0;
|
|
|
1650
|
|
|
1651 if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') {
|
|
|
1652 *p++ = '\\';
|
|
|
1653 }
|
|
|
1654 }
|
|
|
1655
|
|
|
1656 *p++ = ch;
|
|
|
1657 }
|
|
|
1658
|
|
|
1659 text->len = p - data;
|
|
|
1660 text->data = data;
|
|
|
1661
|
|
102
|
1662 return NGX_OK;
|
|
|
1663 }
|
|
|
1664
|
|
|
1665 if (ngx_array_init(&lengths, r->pool, 8, sizeof(size_t *)) != NGX_OK) {
|
|
|
1666 return NGX_ERROR;
|
|
|
1667 }
|
|
|
1668
|
|
|
1669 if (ngx_array_init(&values, r->pool, 8, sizeof(u_char *)) != NGX_OK) {
|
|
|
1670 return NGX_ERROR;
|
|
|
1671 }
|
|
|
1672
|
|
|
1673 len = 0;
|
|
|
1674 i = 0;
|
|
|
1675
|
|
|
1676 while (i < text->len) {
|
|
|
1677
|
|
|
1678 if (text->data[i] == '$') {
|
|
|
1679
|
|
|
1680 var.len = 0;
|
|
|
1681
|
|
|
1682 if (++i == text->len) {
|
|
|
1683 goto invalid_variable;
|
|
|
1684 }
|
|
|
1685
|
|
|
1686 if (text->data[i] == '{') {
|
|
|
1687 bracket = 1;
|
|
|
1688
|
|
|
1689 if (++i == text->len) {
|
|
|
1690 goto invalid_variable;
|
|
|
1691 }
|
|
|
1692
|
|
|
1693 var.data = &text->data[i];
|
|
|
1694
|
|
|
1695 } else {
|
|
|
1696 bracket = 0;
|
|
|
1697 var.data = &text->data[i];
|
|
|
1698 }
|
|
|
1699
|
|
|
1700 for ( /* void */ ; i < text->len; i++, var.len++) {
|
|
|
1701 ch = text->data[i];
|
|
|
1702
|
|
|
1703 if (ch == '}' && bracket) {
|
|
|
1704 i++;
|
|
|
1705 bracket = 0;
|
|
|
1706 break;
|
|
|
1707 }
|
|
|
1708
|
|
|
1709 if ((ch >= 'A' && ch <= 'Z')
|
|
|
1710 || (ch >= 'a' && ch <= 'z')
|
|
|
1711 || (ch >= '0' && ch <= '9')
|
|
|
1712 || ch == '_')
|
|
|
1713 {
|
|
|
1714 continue;
|
|
|
1715 }
|
|
|
1716
|
|
|
1717 break;
|
|
|
1718 }
|
|
|
1719
|
|
|
1720 if (bracket) {
|
|
|
1721 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1722 "the closing bracket in \"%V\" "
|
|
|
1723 "variable is missing", &var);
|
|
248
|
1724 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1725 }
|
|
|
1726
|
|
126
|
1727 if (var.len == 0) {
|
|
102
|
1728 goto invalid_variable;
|
|
|
1729 }
|
|
|
1730
|
|
392
|
1731 key = ngx_hash_strlow(var.data, var.data, var.len);
|
|
102
|
1732
|
|
160
|
1733 val = ngx_http_ssi_get_variable(r, &var, key);
|
|
102
|
1734
|
|
|
1735 if (val == NULL) {
|
|
568
|
1736 vv = ngx_http_get_variable(r, &var, key);
|
|
102
|
1737 if (vv == NULL) {
|
|
|
1738 return NGX_ERROR;
|
|
|
1739 }
|
|
|
1740
|
|
122
|
1741 if (vv->not_found) {
|
|
102
|
1742 continue;
|
|
|
1743 }
|
|
|
1744
|
|
122
|
1745 part_data = vv->data;
|
|
|
1746 part_len = vv->len;
|
|
102
|
1747
|
|
|
1748 } else {
|
|
122
|
1749 part_data = val->data;
|
|
|
1750 part_len = val->len;
|
|
102
|
1751 }
|
|
|
1752
|
|
|
1753 } else {
|
|
122
|
1754 part_data = &text->data[i];
|
|
200
|
1755 quoted = 0;
|
|
122
|
1756
|
|
|
1757 for (p = part_data; i < text->len; i++) {
|
|
108
|
1758 ch = text->data[i];
|
|
|
1759
|
|
200
|
1760 if (!quoted) {
|
|
|
1761
|
|
|
1762 if (ch == '\\') {
|
|
|
1763 quoted = 1;
|
|
|
1764 continue;
|
|
|
1765 }
|
|
|
1766
|
|
|
1767 if (ch == '$') {
|
|
108
|
1768 break;
|
|
|
1769 }
|
|
|
1770
|
|
200
|
1771 } else {
|
|
|
1772 quoted = 0;
|
|
|
1773
|
|
|
1774 if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') {
|
|
|
1775 *p++ = '\\';
|
|
|
1776 }
|
|
108
|
1777 }
|
|
|
1778
|
|
|
1779 *p++ = ch;
|
|
102
|
1780 }
|
|
108
|
1781
|
|
122
|
1782 part_len = p - part_data;
|
|
102
|
1783 }
|
|
|
1784
|
|
122
|
1785 len += part_len;
|
|
102
|
1786
|
|
|
1787 size = ngx_array_push(&lengths);
|
|
|
1788 if (size == NULL) {
|
|
|
1789 return NGX_ERROR;
|
|
|
1790 }
|
|
|
1791
|
|
122
|
1792 *size = part_len;
|
|
102
|
1793
|
|
|
1794 value = ngx_array_push(&values);
|
|
|
1795 if (value == NULL) {
|
|
|
1796 return NGX_ERROR;
|
|
|
1797 }
|
|
|
1798
|
|
122
|
1799 *value = part_data;
|
|
102
|
1800 }
|
|
|
1801
|
|
|
1802 prefix = 0;
|
|
|
1803
|
|
|
1804 size = lengths.elts;
|
|
|
1805 value = values.elts;
|
|
|
1806
|
|
|
1807 if (flags & NGX_HTTP_SSI_ADD_PREFIX) {
|
|
|
1808 for (i = 0; i < values.nelts; i++) {
|
|
|
1809 if (size[i] != 0) {
|
|
|
1810 if (*value[i] != '/') {
|
|
|
1811 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1812 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1813 len += prefix;
|
|
|
1814 break;
|
|
|
1815 }
|
|
|
1816 }
|
|
|
1817 }
|
|
|
1818
|
|
|
1819 break;
|
|
|
1820 }
|
|
|
1821 }
|
|
|
1822 }
|
|
|
1823
|
|
382
|
1824 p = ngx_pnalloc(r->pool, len + ((flags & NGX_HTTP_SSI_ADD_ZERO) ? 1 : 0));
|
|
102
|
1825 if (p == NULL) {
|
|
|
1826 return NGX_ERROR;
|
|
|
1827 }
|
|
|
1828
|
|
|
1829 text->len = len;
|
|
|
1830 text->data = p;
|
|
|
1831
|
|
122
|
1832 p = ngx_copy(p, r->uri.data, prefix);
|
|
102
|
1833
|
|
|
1834 for (i = 0; i < values.nelts; i++) {
|
|
122
|
1835 p = ngx_copy(p, value[i], size[i]);
|
|
102
|
1836 }
|
|
|
1837
|
|
|
1838 return NGX_OK;
|
|
|
1839
|
|
|
1840 invalid_variable:
|
|
|
1841
|
|
|
1842 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1843 "invalid variable name in \"%V\"", text);
|
|
|
1844
|
|
248
|
1845 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1846 }
|
|
|
1847
|
|
|
1848
|
|
|
1849 static ngx_int_t
|
|
656
|
1850 ngx_http_ssi_regex_match(ngx_http_request_t *r, ngx_str_t *pattern,
|
|
|
1851 ngx_str_t *str)
|
|
|
1852 {
|
|
|
1853 #if (NGX_PCRE)
|
|
|
1854 int rc, *captures;
|
|
|
1855 u_char *p, errstr[NGX_MAX_CONF_ERRSTR];
|
|
|
1856 size_t size;
|
|
|
1857 ngx_int_t key;
|
|
|
1858 ngx_str_t *vv, name, value;
|
|
|
1859 ngx_uint_t i, n;
|
|
|
1860 ngx_http_ssi_ctx_t *ctx;
|
|
|
1861 ngx_http_ssi_var_t *var;
|
|
|
1862 ngx_regex_compile_t rgc;
|
|
|
1863
|
|
|
1864 ngx_memzero(&rgc, sizeof(ngx_regex_compile_t));
|
|
|
1865
|
|
|
1866 rgc.pattern = *pattern;
|
|
|
1867 rgc.pool = r->pool;
|
|
|
1868 rgc.err.len = NGX_MAX_CONF_ERRSTR;
|
|
|
1869 rgc.err.data = errstr;
|
|
|
1870
|
|
|
1871 if (ngx_regex_compile(&rgc) != NGX_OK) {
|
|
|
1872 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "%V", &rgc.err);
|
|
|
1873 return NGX_HTTP_SSI_ERROR;
|
|
|
1874 }
|
|
|
1875
|
|
|
1876 n = (rgc.captures + 1) * 3;
|
|
|
1877
|
|
|
1878 captures = ngx_palloc(r->pool, n * sizeof(int));
|
|
|
1879 if (captures == NULL) {
|
|
|
1880 return NGX_ERROR;
|
|
|
1881 }
|
|
|
1882
|
|
|
1883 rc = ngx_regex_exec(rgc.regex, str, captures, n);
|
|
|
1884
|
|
|
1885 if (rc < NGX_REGEX_NO_MATCHED) {
|
|
|
1886 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1887 ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"",
|
|
|
1888 rc, str, pattern);
|
|
|
1889 return NGX_HTTP_SSI_ERROR;
|
|
|
1890 }
|
|
|
1891
|
|
|
1892 if (rc == NGX_REGEX_NO_MATCHED) {
|
|
|
1893 return NGX_DECLINED;
|
|
|
1894 }
|
|
|
1895
|
|
|
1896 ctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
1897
|
|
|
1898 ctx->ncaptures = rc;
|
|
|
1899 ctx->captures = captures;
|
|
|
1900 ctx->captures_data = str->data;
|
|
|
1901
|
|
|
1902 if (rgc.named_captures > 0) {
|
|
|
1903
|
|
|
1904 if (ctx->variables == NULL) {
|
|
|
1905 ctx->variables = ngx_list_create(r->pool, 4,
|
|
|
1906 sizeof(ngx_http_ssi_var_t));
|
|
|
1907 if (ctx->variables == NULL) {
|
|
|
1908 return NGX_ERROR;
|
|
|
1909 }
|
|
|
1910 }
|
|
|
1911
|
|
|
1912 size = rgc.name_size;
|
|
|
1913 p = rgc.names;
|
|
|
1914
|
|
|
1915 for (i = 0; i < (ngx_uint_t) rgc.named_captures; i++, p += size) {
|
|
|
1916
|
|
|
1917 name.data = &p[2];
|
|
|
1918 name.len = ngx_strlen(name.data);
|
|
|
1919
|
|
|
1920 n = 2 * ((p[0] << 8) + p[1]);
|
|
|
1921
|
|
|
1922 value.data = &str->data[captures[n]];
|
|
|
1923 value.len = captures[n + 1] - captures[n];
|
|
|
1924
|
|
|
1925 key = ngx_hash_strlow(name.data, name.data, name.len);
|
|
|
1926
|
|
|
1927 vv = ngx_http_ssi_get_variable(r, &name, key);
|
|
|
1928
|
|
|
1929 if (vv) {
|
|
|
1930 *vv = value;
|
|
|
1931 continue;
|
|
|
1932 }
|
|
|
1933
|
|
|
1934 var = ngx_list_push(ctx->variables);
|
|
|
1935 if (var == NULL) {
|
|
|
1936 return NGX_ERROR;
|
|
|
1937 }
|
|
|
1938
|
|
|
1939 var->name = name;
|
|
|
1940 var->key = key;
|
|
|
1941 var->value = value;
|
|
|
1942 }
|
|
|
1943 }
|
|
|
1944
|
|
|
1945 return NGX_OK;
|
|
|
1946
|
|
|
1947 #else
|
|
|
1948
|
|
|
1949 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1950 "the using of the regex \"%V\" in SSI requires PCRE library",
|
|
|
1951 pattern);
|
|
|
1952 return NGX_HTTP_SSI_ERROR;
|
|
|
1953
|
|
|
1954 #endif
|
|
|
1955 }
|
|
|
1956
|
|
|
1957
|
|
|
1958 static ngx_int_t
|
|
102
|
1959 ngx_http_ssi_include(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1960 ngx_str_t **params)
|
|
|
1961 {
|
|
342
|
1962 u_char *dst, *src;
|
|
|
1963 size_t len;
|
|
248
|
1964 ngx_int_t rc, key;
|
|
|
1965 ngx_str_t *uri, *file, *wait, *set, *stub, args;
|
|
|
1966 ngx_buf_t *b;
|
|
|
1967 ngx_uint_t flags, i;
|
|
250
|
1968 ngx_chain_t *cl, *tl, **ll, *out;
|
|
248
|
1969 ngx_http_request_t *sr;
|
|
|
1970 ngx_http_ssi_var_t *var;
|
|
|
1971 ngx_http_ssi_ctx_t *mctx;
|
|
|
1972 ngx_http_ssi_block_t *bl;
|
|
|
1973 ngx_http_post_subrequest_t *psr;
|
|
102
|
1974
|
|
|
1975 uri = params[NGX_HTTP_SSI_INCLUDE_VIRTUAL];
|
|
|
1976 file = params[NGX_HTTP_SSI_INCLUDE_FILE];
|
|
194
|
1977 wait = params[NGX_HTTP_SSI_INCLUDE_WAIT];
|
|
248
|
1978 set = params[NGX_HTTP_SSI_INCLUDE_SET];
|
|
216
|
1979 stub = params[NGX_HTTP_SSI_INCLUDE_STUB];
|
|
102
|
1980
|
|
|
1981 if (uri && file) {
|
|
|
1982 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1983 "inlcusion may be either virtual=\"%V\" or file=\"%V\"",
|
|
|
1984 uri, file);
|
|
|
1985 return NGX_HTTP_SSI_ERROR;
|
|
|
1986 }
|
|
|
1987
|
|
|
1988 if (uri == NULL && file == NULL) {
|
|
|
1989 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1990 "no parameter in \"include\" SSI command");
|
|
|
1991 return NGX_HTTP_SSI_ERROR;
|
|
|
1992 }
|
|
|
1993
|
|
248
|
1994 if (set && stub) {
|
|
|
1995 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1996 "\"set\" and \"stub\" may not be used together "
|
|
|
1997 "in \"include\" SSI command");
|
|
|
1998 return NGX_HTTP_SSI_ERROR;
|
|
|
1999 }
|
|
|
2000
|
|
194
|
2001 if (wait) {
|
|
|
2002 if (uri == NULL) {
|
|
|
2003 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
216
|
2004 "\"wait\" may not be used with file=\"%V\"", file);
|
|
194
|
2005 return NGX_HTTP_SSI_ERROR;
|
|
|
2006 }
|
|
|
2007
|
|
286
|
2008 if (wait->len == 2
|
|
|
2009 && ngx_strncasecmp(wait->data, (u_char *) "no", 2) == 0)
|
|
|
2010 {
|
|
194
|
2011 wait = NULL;
|
|
|
2012
|
|
286
|
2013 } else if (wait->len != 3
|
|
|
2014 || ngx_strncasecmp(wait->data, (u_char *) "yes", 3) != 0)
|
|
194
|
2015 {
|
|
|
2016 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2017 "invalid value \"%V\" in the \"wait\" parameter",
|
|
216
|
2018 wait);
|
|
194
|
2019 return NGX_HTTP_SSI_ERROR;
|
|
|
2020 }
|
|
|
2021 }
|
|
|
2022
|
|
102
|
2023 if (uri == NULL) {
|
|
|
2024 uri = file;
|
|
434
|
2025 wait = (ngx_str_t *) -1;
|
|
102
|
2026 }
|
|
|
2027
|
|
248
|
2028 rc = ngx_http_ssi_evaluate_string(r, ctx, uri, NGX_HTTP_SSI_ADD_PREFIX);
|
|
|
2029
|
|
|
2030 if (rc != NGX_OK) {
|
|
|
2031 return rc;
|
|
102
|
2032 }
|
|
|
2033
|
|
342
|
2034 dst = uri->data;
|
|
|
2035 src = uri->data;
|
|
|
2036
|
|
|
2037 ngx_unescape_uri(&dst, &src, uri->len, NGX_UNESCAPE_URI);
|
|
|
2038
|
|
|
2039 len = (uri->data + uri->len) - src;
|
|
|
2040 if (len) {
|
|
620
|
2041 dst = ngx_movemem(dst, src, len);
|
|
342
|
2042 }
|
|
|
2043
|
|
|
2044 uri->len = dst - uri->data;
|
|
|
2045
|
|
|
2046 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2047 "ssi include: \"%V\"", uri);
|
|
|
2048
|
|
570
|
2049 ngx_str_null(&args);
|
|
530
|
2050 flags = NGX_HTTP_LOG_UNSAFE;
|
|
122
|
2051
|
|
|
2052 if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) {
|
|
|
2053 return NGX_HTTP_SSI_ERROR;
|
|
102
|
2054 }
|
|
|
2055
|
|
248
|
2056 psr = NULL;
|
|
|
2057
|
|
|
2058 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
216
|
2059
|
|
|
2060 if (stub) {
|
|
|
2061 if (mctx->blocks) {
|
|
|
2062 bl = mctx->blocks->elts;
|
|
|
2063 for (i = 0; i < mctx->blocks->nelts; i++) {
|
|
|
2064 if (stub->len == bl[i].name.len
|
|
|
2065 && ngx_strncmp(stub->data, bl[i].name.data, stub->len) == 0)
|
|
|
2066 {
|
|
|
2067 goto found;
|
|
|
2068 }
|
|
|
2069 }
|
|
|
2070 }
|
|
|
2071
|
|
|
2072 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2073 "\"stub\"=\"%V\" for \"include\" not found", stub);
|
|
|
2074 return NGX_HTTP_SSI_ERROR;
|
|
|
2075
|
|
|
2076 found:
|
|
|
2077
|
|
248
|
2078 psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t));
|
|
|
2079 if (psr == NULL) {
|
|
|
2080 return NGX_ERROR;
|
|
|
2081 }
|
|
|
2082
|
|
|
2083 psr->handler = ngx_http_ssi_stub_output;
|
|
|
2084
|
|
216
|
2085 if (bl[i].count++) {
|
|
|
2086
|
|
366
|
2087 out = NULL;
|
|
250
|
2088 ll = &out;
|
|
216
|
2089
|
|
|
2090 for (tl = bl[i].bufs; tl; tl = tl->next) {
|
|
|
2091
|
|
|
2092 if (ctx->free) {
|
|
|
2093 cl = ctx->free;
|
|
|
2094 ctx->free = ctx->free->next;
|
|
|
2095 b = cl->buf;
|
|
|
2096
|
|
|
2097 } else {
|
|
|
2098 b = ngx_alloc_buf(r->pool);
|
|
|
2099 if (b == NULL) {
|
|
|
2100 return NGX_ERROR;
|
|
|
2101 }
|
|
|
2102
|
|
|
2103 cl = ngx_alloc_chain_link(r->pool);
|
|
|
2104 if (cl == NULL) {
|
|
|
2105 return NGX_ERROR;
|
|
|
2106 }
|
|
|
2107
|
|
|
2108 cl->buf = b;
|
|
|
2109 }
|
|
|
2110
|
|
|
2111 ngx_memcpy(b, tl->buf, sizeof(ngx_buf_t));
|
|
|
2112
|
|
|
2113 b->pos = b->start;
|
|
|
2114
|
|
|
2115 *ll = cl;
|
|
|
2116 cl->next = NULL;
|
|
|
2117 ll = &cl->next;
|
|
|
2118 }
|
|
|
2119
|
|
250
|
2120 psr->data = out;
|
|
|
2121
|
|
216
|
2122 } else {
|
|
248
|
2123 psr->data = bl[i].bufs;
|
|
216
|
2124 }
|
|
|
2125 }
|
|
|
2126
|
|
426
|
2127 if (wait) {
|
|
|
2128 flags |= NGX_HTTP_SUBREQUEST_WAITED;
|
|
|
2129 }
|
|
|
2130
|
|
248
|
2131 if (set) {
|
|
392
|
2132 key = ngx_hash_strlow(set->data, set->data, set->len);
|
|
248
|
2133
|
|
|
2134 psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t));
|
|
|
2135 if (psr == NULL) {
|
|
|
2136 return NGX_ERROR;
|
|
|
2137 }
|
|
|
2138
|
|
|
2139 psr->handler = ngx_http_ssi_set_variable;
|
|
|
2140 psr->data = ngx_http_ssi_get_variable(r, set, key);
|
|
|
2141
|
|
|
2142 if (psr->data == NULL) {
|
|
|
2143
|
|
|
2144 if (mctx->variables == NULL) {
|
|
|
2145 mctx->variables = ngx_list_create(r->pool, 4,
|
|
|
2146 sizeof(ngx_http_ssi_var_t));
|
|
|
2147 if (mctx->variables == NULL) {
|
|
|
2148 return NGX_ERROR;
|
|
|
2149 }
|
|
|
2150 }
|
|
|
2151
|
|
|
2152 var = ngx_list_push(mctx->variables);
|
|
|
2153 if (var == NULL) {
|
|
|
2154 return NGX_ERROR;
|
|
|
2155 }
|
|
|
2156
|
|
|
2157 var->name = *set;
|
|
|
2158 var->key = key;
|
|
|
2159 var->value = ngx_http_ssi_null_string;
|
|
|
2160 psr->data = &var->value;
|
|
|
2161 }
|
|
|
2162
|
|
426
|
2163 flags |= NGX_HTTP_SUBREQUEST_IN_MEMORY|NGX_HTTP_SUBREQUEST_WAITED;
|
|
248
|
2164 }
|
|
|
2165
|
|
426
|
2166 if (ngx_http_subrequest(r, uri, &args, &sr, psr, flags) != NGX_OK) {
|
|
102
|
2167 return NGX_HTTP_SSI_ERROR;
|
|
|
2168 }
|
|
|
2169
|
|
248
|
2170 if (wait == NULL && set == NULL) {
|
|
194
|
2171 return NGX_OK;
|
|
|
2172 }
|
|
|
2173
|
|
426
|
2174 if (ctx->wait == NULL) {
|
|
|
2175 ctx->wait = sr;
|
|
|
2176
|
|
|
2177 return NGX_AGAIN;
|
|
|
2178
|
|
|
2179 } else {
|
|
|
2180 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2181 "only one subrequest may be waited at the same time");
|
|
194
|
2182 }
|
|
|
2183
|
|
426
|
2184 return NGX_OK;
|
|
102
|
2185 }
|
|
|
2186
|
|
|
2187
|
|
46
|
2188 static ngx_int_t
|
|
248
|
2189 ngx_http_ssi_stub_output(ngx_http_request_t *r, void *data, ngx_int_t rc)
|
|
|
2190 {
|
|
|
2191 ngx_chain_t *out;
|
|
|
2192
|
|
|
2193 if (rc == NGX_ERROR || r->connection->error || r->request_output) {
|
|
|
2194 return rc;
|
|
|
2195 }
|
|
|
2196
|
|
|
2197 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2198 "ssi stub output: \"%V?%V\"", &r->uri, &r->args);
|
|
|
2199
|
|
|
2200 out = data;
|
|
|
2201
|
|
|
2202 if (!r->header_sent) {
|
|
564
|
2203 r->headers_out.content_type_len =
|
|
|
2204 r->parent->headers_out.content_type_len;
|
|
|
2205 r->headers_out.content_type = r->parent->headers_out.content_type;
|
|
248
|
2206
|
|
|
2207 if (ngx_http_send_header(r) == NGX_ERROR) {
|
|
|
2208 return NGX_ERROR;
|
|
|
2209 }
|
|
|
2210 }
|
|
|
2211
|
|
|
2212 return ngx_http_output_filter(r, out);
|
|
|
2213 }
|
|
|
2214
|
|
|
2215
|
|
|
2216 static ngx_int_t
|
|
|
2217 ngx_http_ssi_set_variable(ngx_http_request_t *r, void *data, ngx_int_t rc)
|
|
|
2218 {
|
|
|
2219 ngx_str_t *value = data;
|
|
|
2220
|
|
|
2221 if (r->upstream) {
|
|
|
2222 value->len = r->upstream->buffer.last - r->upstream->buffer.pos;
|
|
|
2223 value->data = r->upstream->buffer.pos;
|
|
|
2224 }
|
|
|
2225
|
|
|
2226 return rc;
|
|
|
2227 }
|
|
|
2228
|
|
|
2229
|
|
|
2230 static ngx_int_t
|
|
46
|
2231 ngx_http_ssi_echo(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2232 ngx_str_t **params)
|
|
|
2233 {
|
|
340
|
2234 u_char *p;
|
|
|
2235 uintptr_t len;
|
|
160
|
2236 ngx_int_t key;
|
|
48
|
2237 ngx_buf_t *b;
|
|
340
|
2238 ngx_str_t *var, *value, *enc, text;
|
|
48
|
2239 ngx_chain_t *cl;
|
|
50
|
2240 ngx_http_variable_value_t *vv;
|
|
46
|
2241
|
|
|
2242 var = params[NGX_HTTP_SSI_ECHO_VAR];
|
|
|
2243
|
|
192
|
2244 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2245 "ssi echo \"%V\"", var);
|
|
|
2246
|
|
392
|
2247 key = ngx_hash_strlow(var->data, var->data, var->len);
|
|
160
|
2248
|
|
|
2249 value = ngx_http_ssi_get_variable(r, var, key);
|
|
102
|
2250
|
|
|
2251 if (value == NULL) {
|
|
568
|
2252 vv = ngx_http_get_variable(r, var, key);
|
|
102
|
2253
|
|
|
2254 if (vv == NULL) {
|
|
|
2255 return NGX_HTTP_SSI_ERROR;
|
|
|
2256 }
|
|
|
2257
|
|
122
|
2258 if (!vv->not_found) {
|
|
|
2259 text.data = vv->data;
|
|
|
2260 text.len = vv->len;
|
|
|
2261 value = &text;
|
|
102
|
2262 }
|
|
50
|
2263 }
|
|
46
|
2264
|
|
102
|
2265 if (value == NULL) {
|
|
48
|
2266 value = params[NGX_HTTP_SSI_ECHO_DEFAULT];
|
|
|
2267
|
|
|
2268 if (value == NULL) {
|
|
|
2269 value = &ngx_http_ssi_none;
|
|
|
2270
|
|
|
2271 } else if (value->len == 0) {
|
|
|
2272 return NGX_OK;
|
|
|
2273 }
|
|
|
2274
|
|
|
2275 } else {
|
|
|
2276 if (value->len == 0) {
|
|
|
2277 return NGX_OK;
|
|
|
2278 }
|
|
|
2279 }
|
|
|
2280
|
|
340
|
2281 enc = params[NGX_HTTP_SSI_ECHO_ENCODING];
|
|
|
2282
|
|
|
2283 if (enc) {
|
|
|
2284 if (enc->len == 4 && ngx_strncmp(enc->data, "none", 4) == 0) {
|
|
|
2285
|
|
|
2286 ctx->encoding = NGX_HTTP_SSI_NO_ENCODING;
|
|
|
2287
|
|
|
2288 } else if (enc->len == 3 && ngx_strncmp(enc->data, "url", 3) == 0) {
|
|
|
2289
|
|
|
2290 ctx->encoding = NGX_HTTP_SSI_URL_ENCODING;
|
|
|
2291
|
|
|
2292 } else if (enc->len == 6 && ngx_strncmp(enc->data, "entity", 6) == 0) {
|
|
|
2293
|
|
|
2294 ctx->encoding = NGX_HTTP_SSI_ENTITY_ENCODING;
|
|
|
2295
|
|
|
2296 } else {
|
|
|
2297 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2298 "unknown encoding \"%V\" in the \"echo\" command",
|
|
|
2299 enc);
|
|
|
2300 }
|
|
|
2301 }
|
|
|
2302
|
|
568
|
2303 p = value->data;
|
|
|
2304
|
|
340
|
2305 switch (ctx->encoding) {
|
|
|
2306
|
|
|
2307 case NGX_HTTP_SSI_URL_ENCODING:
|
|
|
2308 len = 2 * ngx_escape_uri(NULL, value->data, value->len,
|
|
|
2309 NGX_ESCAPE_HTML);
|
|
|
2310
|
|
|
2311 if (len) {
|
|
382
|
2312 p = ngx_pnalloc(r->pool, value->len + len);
|
|
340
|
2313 if (p == NULL) {
|
|
|
2314 return NGX_HTTP_SSI_ERROR;
|
|
|
2315 }
|
|
|
2316
|
|
|
2317 (void) ngx_escape_uri(p, value->data, value->len, NGX_ESCAPE_HTML);
|
|
|
2318 }
|
|
|
2319
|
|
568
|
2320 len += value->len;
|
|
340
|
2321 break;
|
|
|
2322
|
|
|
2323 case NGX_HTTP_SSI_ENTITY_ENCODING:
|
|
|
2324 len = ngx_escape_html(NULL, value->data, value->len);
|
|
|
2325
|
|
|
2326 if (len) {
|
|
382
|
2327 p = ngx_pnalloc(r->pool, value->len + len);
|
|
340
|
2328 if (p == NULL) {
|
|
|
2329 return NGX_HTTP_SSI_ERROR;
|
|
|
2330 }
|
|
|
2331
|
|
|
2332 (void) ngx_escape_html(p, value->data, value->len);
|
|
|
2333 }
|
|
|
2334
|
|
568
|
2335 len += value->len;
|
|
|
2336 break;
|
|
|
2337
|
|
|
2338 default: /* NGX_HTTP_SSI_NO_ENCODING */
|
|
|
2339 len = value->len;
|
|
340
|
2340 break;
|
|
|
2341 }
|
|
|
2342
|
|
48
|
2343 b = ngx_calloc_buf(r->pool);
|
|
|
2344 if (b == NULL) {
|
|
|
2345 return NGX_HTTP_SSI_ERROR;
|
|
|
2346 }
|
|
|
2347
|
|
|
2348 cl = ngx_alloc_chain_link(r->pool);
|
|
|
2349 if (cl == NULL) {
|
|
46
|
2350 return NGX_HTTP_SSI_ERROR;
|
|
|
2351 }
|
|
|
2352
|
|
|
2353 b->memory = 1;
|
|
568
|
2354 b->pos = p;
|
|
|
2355 b->last = p + len;
|
|
46
|
2356
|
|
|
2357 cl->buf = b;
|
|
|
2358 cl->next = NULL;
|
|
|
2359 *ctx->last_out = cl;
|
|
|
2360 ctx->last_out = &cl->next;
|
|
|
2361
|
|
|
2362 return NGX_OK;
|
|
|
2363 }
|
|
|
2364
|
|
|
2365
|
|
58
|
2366 static ngx_int_t
|
|
|
2367 ngx_http_ssi_config(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2368 ngx_str_t **params)
|
|
|
2369 {
|
|
|
2370 ngx_str_t *value;
|
|
|
2371
|
|
|
2372 value = params[NGX_HTTP_SSI_CONFIG_TIMEFMT];
|
|
|
2373
|
|
|
2374 if (value) {
|
|
138
|
2375 ctx->timefmt.len = value->len;
|
|
382
|
2376 ctx->timefmt.data = ngx_pnalloc(r->pool, value->len + 1);
|
|
138
|
2377 if (ctx->timefmt.data == NULL) {
|
|
|
2378 return NGX_HTTP_SSI_ERROR;
|
|
|
2379 }
|
|
|
2380
|
|
|
2381 ngx_cpystrn(ctx->timefmt.data, value->data, value->len + 1);
|
|
58
|
2382 }
|
|
|
2383
|
|
96
|
2384 value = params[NGX_HTTP_SSI_CONFIG_ERRMSG];
|
|
|
2385
|
|
|
2386 if (value) {
|
|
|
2387 ctx->errmsg = *value;
|
|
|
2388 }
|
|
|
2389
|
|
58
|
2390 return NGX_OK;
|
|
|
2391 }
|
|
|
2392
|
|
|
2393
|
|
|
2394 static ngx_int_t
|
|
102
|
2395 ngx_http_ssi_set(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
58
|
2396 ngx_str_t **params)
|
|
|
2397 {
|
|
248
|
2398 ngx_int_t key, rc;
|
|
102
|
2399 ngx_str_t *name, *value, *vv;
|
|
|
2400 ngx_http_ssi_var_t *var;
|
|
|
2401 ngx_http_ssi_ctx_t *mctx;
|
|
|
2402
|
|
|
2403 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
2404
|
|
216
|
2405 if (mctx->variables == NULL) {
|
|
248
|
2406 mctx->variables = ngx_list_create(r->pool, 4,
|
|
|
2407 sizeof(ngx_http_ssi_var_t));
|
|
216
|
2408 if (mctx->variables == NULL) {
|
|
248
|
2409 return NGX_ERROR;
|
|
58
|
2410 }
|
|
|
2411 }
|
|
|
2412
|
|
102
|
2413 name = params[NGX_HTTP_SSI_SET_VAR];
|
|
|
2414 value = params[NGX_HTTP_SSI_SET_VALUE];
|
|
|
2415
|
|
192
|
2416 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2417 "ssi set \"%V\" \"%V\"", name, value);
|
|
|
2418
|
|
248
|
2419 rc = ngx_http_ssi_evaluate_string(r, ctx, value, 0);
|
|
|
2420
|
|
|
2421 if (rc != NGX_OK) {
|
|
|
2422 return rc;
|
|
58
|
2423 }
|
|
|
2424
|
|
392
|
2425 key = ngx_hash_strlow(name->data, name->data, name->len);
|
|
160
|
2426
|
|
|
2427 vv = ngx_http_ssi_get_variable(r, name, key);
|
|
102
|
2428
|
|
|
2429 if (vv) {
|
|
|
2430 *vv = *value;
|
|
|
2431 return NGX_OK;
|
|
|
2432 }
|
|
|
2433
|
|
248
|
2434 var = ngx_list_push(mctx->variables);
|
|
102
|
2435 if (var == NULL) {
|
|
248
|
2436 return NGX_ERROR;
|
|
102
|
2437 }
|
|
|
2438
|
|
|
2439 var->name = *name;
|
|
160
|
2440 var->key = key;
|
|
102
|
2441 var->value = *value;
|
|
|
2442
|
|
|
2443 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2444 "set: \"%V\"=\"%V\"", name, value);
|
|
|
2445
|
|
58
|
2446 return NGX_OK;
|
|
|
2447 }
|
|
|
2448
|
|
|
2449
|
|
|
2450 static ngx_int_t
|
|
|
2451 ngx_http_ssi_if(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2452 ngx_str_t **params)
|
|
|
2453 {
|
|
102
|
2454 u_char *p, *last;
|
|
|
2455 ngx_str_t *expr, left, right;
|
|
|
2456 ngx_int_t rc;
|
|
178
|
2457 ngx_uint_t negative, noregex, flags;
|
|
58
|
2458
|
|
178
|
2459 if (ctx->command.len == 2) {
|
|
|
2460 if (ctx->conditional) {
|
|
|
2461 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2462 "the \"if\" command inside the \"if\" command");
|
|
|
2463 return NGX_HTTP_SSI_ERROR;
|
|
|
2464 }
|
|
|
2465 }
|
|
|
2466
|
|
|
2467 if (ctx->output_chosen) {
|
|
|
2468 ctx->output = 0;
|
|
|
2469 return NGX_OK;
|
|
|
2470 }
|
|
|
2471
|
|
58
|
2472 expr = params[NGX_HTTP_SSI_IF_EXPR];
|
|
|
2473
|
|
192
|
2474 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2475 "ssi if expr=\"%V\"", expr);
|
|
|
2476
|
|
102
|
2477 left.data = expr->data;
|
|
100
|
2478 last = expr->data + expr->len;
|
|
|
2479
|
|
102
|
2480 for (p = left.data; p < last; p++) {
|
|
100
|
2481 if (*p >= 'A' && *p <= 'Z') {
|
|
|
2482 *p |= 0x20;
|
|
|
2483 continue;
|
|
|
2484 }
|
|
58
|
2485
|
|
102
|
2486 if ((*p >= 'a' && *p <= 'z')
|
|
|
2487 || (*p >= '0' && *p <= '9')
|
|
122
|
2488 || *p == '$' || *p == '{' || *p == '}' || *p == '_'
|
|
|
2489 || *p == '"' || *p == '\'')
|
|
102
|
2490 {
|
|
100
|
2491 continue;
|
|
|
2492 }
|
|
|
2493
|
|
|
2494 break;
|
|
|
2495 }
|
|
|
2496
|
|
102
|
2497 left.len = p - left.data;
|
|
100
|
2498
|
|
|
2499 while (p < last && *p == ' ') {
|
|
|
2500 p++;
|
|
58
|
2501 }
|
|
|
2502
|
|
568
|
2503 flags = 0;
|
|
184
|
2504
|
|
102
|
2505 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2506 "left: \"%V\"", &left);
|
|
|
2507
|
|
248
|
2508 rc = ngx_http_ssi_evaluate_string(r, ctx, &left, flags);
|
|
|
2509
|
|
|
2510 if (rc != NGX_OK) {
|
|
|
2511 return rc;
|
|
58
|
2512 }
|
|
|
2513
|
|
102
|
2514 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2515 "evaluted left: \"%V\"", &left);
|
|
|
2516
|
|
100
|
2517 if (p == last) {
|
|
102
|
2518 if (left.len) {
|
|
100
|
2519 ctx->output = 1;
|
|
178
|
2520 ctx->output_chosen = 1;
|
|
100
|
2521
|
|
|
2522 } else {
|
|
|
2523 ctx->output = 0;
|
|
|
2524 }
|
|
|
2525
|
|
178
|
2526 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
2527
|
|
100
|
2528 return NGX_OK;
|
|
|
2529 }
|
|
|
2530
|
|
|
2531 if (p < last && *p == '=') {
|
|
|
2532 negative = 0;
|
|
|
2533 p++;
|
|
|
2534
|
|
|
2535 } else if (p + 1 < last && *p == '!' && *(p + 1) == '=') {
|
|
|
2536 negative = 1;
|
|
|
2537 p += 2;
|
|
|
2538
|
|
|
2539 } else {
|
|
|
2540 goto invalid_expression;
|
|
|
2541 }
|
|
|
2542
|
|
|
2543 while (p < last && *p == ' ') {
|
|
|
2544 p++;
|
|
|
2545 }
|
|
|
2546
|
|
300
|
2547 if (p < last - 1 && *p == '/') {
|
|
100
|
2548 if (*(last - 1) != '/') {
|
|
|
2549 goto invalid_expression;
|
|
|
2550 }
|
|
|
2551
|
|
|
2552 noregex = 0;
|
|
178
|
2553 flags = NGX_HTTP_SSI_ADD_ZERO;
|
|
100
|
2554 last--;
|
|
274
|
2555 p++;
|
|
100
|
2556
|
|
|
2557 } else {
|
|
|
2558 noregex = 1;
|
|
178
|
2559 flags = 0;
|
|
|
2560
|
|
|
2561 if (p < last - 1 && p[0] == '\\' && p[1] == '/') {
|
|
200
|
2562 p++;
|
|
178
|
2563 }
|
|
100
|
2564 }
|
|
|
2565
|
|
|
2566 right.len = last - p;
|
|
|
2567 right.data = p;
|
|
|
2568
|
|
102
|
2569 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2570 "right: \"%V\"", &right);
|
|
|
2571
|
|
248
|
2572 rc = ngx_http_ssi_evaluate_string(r, ctx, &right, flags);
|
|
|
2573
|
|
|
2574 if (rc != NGX_OK) {
|
|
|
2575 return rc;
|
|
100
|
2576 }
|
|
|
2577
|
|
102
|
2578 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2579 "evaluted right: \"%V\"", &right);
|
|
100
|
2580
|
|
|
2581 if (noregex) {
|
|
|
2582 if (left.len != right.len) {
|
|
|
2583 rc = -1;
|
|
|
2584
|
|
|
2585 } else {
|
|
|
2586 rc = ngx_strncmp(left.data, right.data, right.len);
|
|
|
2587 }
|
|
|
2588
|
|
|
2589 } else {
|
|
|
2590 right.data[right.len] = '\0';
|
|
|
2591
|
|
656
|
2592 rc = ngx_http_ssi_regex_match(r, &right, &left);
|
|
|
2593
|
|
|
2594 if (rc == NGX_OK) {
|
|
|
2595 rc = 0;
|
|
|
2596 } else if (rc == NGX_DECLINED) {
|
|
|
2597 rc = -1;
|
|
|
2598 } else {
|
|
|
2599 return rc;
|
|
100
|
2600 }
|
|
|
2601 }
|
|
|
2602
|
|
|
2603 if ((rc == 0 && !negative) || (rc != 0 && negative)) {
|
|
58
|
2604 ctx->output = 1;
|
|
178
|
2605 ctx->output_chosen = 1;
|
|
58
|
2606
|
|
|
2607 } else {
|
|
|
2608 ctx->output = 0;
|
|
|
2609 }
|
|
|
2610
|
|
178
|
2611 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
2612
|
|
58
|
2613 return NGX_OK;
|
|
100
|
2614
|
|
|
2615 invalid_expression:
|
|
|
2616
|
|
|
2617 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2618 "invalid expression in \"%V\"", expr);
|
|
|
2619
|
|
|
2620 return NGX_HTTP_SSI_ERROR;
|
|
58
|
2621 }
|
|
|
2622
|
|
|
2623
|
|
|
2624 static ngx_int_t
|
|
|
2625 ngx_http_ssi_else(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2626 ngx_str_t **params)
|
|
|
2627 {
|
|
192
|
2628 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2629 "ssi else");
|
|
|
2630
|
|
178
|
2631 if (ctx->output_chosen) {
|
|
|
2632 ctx->output = 0;
|
|
|
2633 } else {
|
|
|
2634 ctx->output = 1;
|
|
|
2635 }
|
|
|
2636
|
|
|
2637 ctx->conditional = NGX_HTTP_SSI_COND_ELSE;
|
|
58
|
2638
|
|
|
2639 return NGX_OK;
|
|
|
2640 }
|
|
|
2641
|
|
|
2642
|
|
|
2643 static ngx_int_t
|
|
|
2644 ngx_http_ssi_endif(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2645 ngx_str_t **params)
|
|
|
2646 {
|
|
192
|
2647 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2648 "ssi endif");
|
|
|
2649
|
|
58
|
2650 ctx->output = 1;
|
|
178
|
2651 ctx->output_chosen = 0;
|
|
|
2652 ctx->conditional = 0;
|
|
58
|
2653
|
|
|
2654 return NGX_OK;
|
|
|
2655 }
|
|
|
2656
|
|
|
2657
|
|
122
|
2658 static ngx_int_t
|
|
216
|
2659 ngx_http_ssi_block(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2660 ngx_str_t **params)
|
|
|
2661 {
|
|
|
2662 ngx_http_ssi_ctx_t *mctx;
|
|
|
2663 ngx_http_ssi_block_t *bl;
|
|
|
2664
|
|
|
2665 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2666 "ssi block");
|
|
|
2667
|
|
|
2668 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
2669
|
|
|
2670 if (mctx->blocks == NULL) {
|
|
|
2671 mctx->blocks = ngx_array_create(r->pool, 4,
|
|
|
2672 sizeof(ngx_http_ssi_block_t));
|
|
|
2673 if (mctx->blocks == NULL) {
|
|
|
2674 return NGX_HTTP_SSI_ERROR;
|
|
|
2675 }
|
|
|
2676 }
|
|
|
2677
|
|
|
2678 bl = ngx_array_push(mctx->blocks);
|
|
|
2679 if (bl == NULL) {
|
|
|
2680 return NGX_HTTP_SSI_ERROR;
|
|
|
2681 }
|
|
|
2682
|
|
|
2683 bl->name = *params[NGX_HTTP_SSI_BLOCK_NAME];
|
|
|
2684 bl->bufs = NULL;
|
|
|
2685 bl->count = 0;
|
|
|
2686
|
|
|
2687 ctx->output = 0;
|
|
|
2688 ctx->block = 1;
|
|
|
2689
|
|
|
2690 return NGX_OK;
|
|
|
2691 }
|
|
|
2692
|
|
|
2693
|
|
|
2694 static ngx_int_t
|
|
|
2695 ngx_http_ssi_endblock(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2696 ngx_str_t **params)
|
|
|
2697 {
|
|
|
2698 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2699 "ssi endblock");
|
|
|
2700
|
|
|
2701 ctx->output = 1;
|
|
|
2702 ctx->block = 0;
|
|
|
2703
|
|
|
2704 return NGX_OK;
|
|
|
2705 }
|
|
|
2706
|
|
|
2707
|
|
|
2708 static ngx_int_t
|
|
122
|
2709 ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
|
|
380
|
2710 ngx_http_variable_value_t *v, uintptr_t gmt)
|
|
58
|
2711 {
|
|
122
|
2712 ngx_http_ssi_ctx_t *ctx;
|
|
|
2713 ngx_time_t *tp;
|
|
|
2714 struct tm tm;
|
|
|
2715 char buf[NGX_HTTP_SSI_DATE_LEN];
|
|
|
2716
|
|
126
|
2717 v->valid = 1;
|
|
340
|
2718 v->no_cacheable = 0;
|
|
122
|
2719 v->not_found = 0;
|
|
58
|
2720
|
|
112
|
2721 tp = ngx_timeofday();
|
|
|
2722
|
|
58
|
2723 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
2724
|
|
340
|
2725 if (ctx == NULL
|
|
|
2726 || (ctx->timefmt.len == sizeof("%s") - 1
|
|
|
2727 && ctx->timefmt.data[0] == '%' && ctx->timefmt.data[1] == 's'))
|
|
58
|
2728 {
|
|
382
|
2729 v->data = ngx_pnalloc(r->pool, NGX_TIME_T_LEN);
|
|
122
|
2730 if (v->data == NULL) {
|
|
|
2731 return NGX_ERROR;
|
|
58
|
2732 }
|
|
|
2733
|
|
564
|
2734 v->len = ngx_sprintf(v->data, "%T", tp->sec) - v->data;
|
|
206
|
2735
|
|
122
|
2736 return NGX_OK;
|
|
58
|
2737 }
|
|
|
2738
|
|
|
2739 if (gmt) {
|
|
112
|
2740 ngx_libc_gmtime(tp->sec, &tm);
|
|
58
|
2741 } else {
|
|
112
|
2742 ngx_libc_localtime(tp->sec, &tm);
|
|
58
|
2743 }
|
|
|
2744
|
|
122
|
2745 v->len = strftime(buf, NGX_HTTP_SSI_DATE_LEN,
|
|
|
2746 (char *) ctx->timefmt.data, &tm);
|
|
|
2747 if (v->len == 0) {
|
|
|
2748 return NGX_ERROR;
|
|
58
|
2749 }
|
|
|
2750
|
|
382
|
2751 v->data = ngx_pnalloc(r->pool, v->len);
|
|
122
|
2752 if (v->data == NULL) {
|
|
|
2753 return NGX_ERROR;
|
|
58
|
2754 }
|
|
|
2755
|
|
122
|
2756 ngx_memcpy(v->data, buf, v->len);
|
|
|
2757
|
|
|
2758 return NGX_OK;
|
|
58
|
2759 }
|
|
|
2760
|
|
|
2761
|
|
|
2762 static ngx_int_t
|
|
146
|
2763 ngx_http_ssi_preconfiguration(ngx_conf_t *cf)
|
|
58
|
2764 {
|
|
146
|
2765 ngx_int_t rc;
|
|
|
2766 ngx_http_variable_t *var, *v;
|
|
|
2767 ngx_http_ssi_command_t *cmd;
|
|
|
2768 ngx_http_ssi_main_conf_t *smcf;
|
|
58
|
2769
|
|
|
2770 for (v = ngx_http_ssi_vars; v->name.len; v++) {
|
|
|
2771 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
2772 if (var == NULL) {
|
|
|
2773 return NGX_ERROR;
|
|
|
2774 }
|
|
|
2775
|
|
186
|
2776 var->get_handler = v->get_handler;
|
|
58
|
2777 var->data = v->data;
|
|
|
2778 }
|
|
|
2779
|
|
146
|
2780 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
2781
|
|
|
2782 for (cmd = ngx_http_ssi_commands; cmd->name.len; cmd++) {
|
|
|
2783 rc = ngx_hash_add_key(&smcf->commands, &cmd->name, cmd,
|
|
|
2784 NGX_HASH_READONLY_KEY);
|
|
|
2785
|
|
|
2786 if (rc == NGX_OK) {
|
|
|
2787 continue;
|
|
|
2788 }
|
|
|
2789
|
|
|
2790 if (rc == NGX_BUSY) {
|
|
|
2791 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2792 "conflicting SSI command \"%V\"", &cmd->name);
|
|
|
2793 }
|
|
|
2794
|
|
|
2795 return NGX_ERROR;
|
|
|
2796 }
|
|
|
2797
|
|
126
|
2798 return NGX_OK;
|
|
58
|
2799 }
|
|
|
2800
|
|
|
2801
|
|
46
|
2802 static void *
|
|
146
|
2803 ngx_http_ssi_create_main_conf(ngx_conf_t *cf)
|
|
|
2804 {
|
|
|
2805 ngx_http_ssi_main_conf_t *smcf;
|
|
|
2806
|
|
|
2807 smcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_main_conf_t));
|
|
|
2808 if (smcf == NULL) {
|
|
496
|
2809 return NULL;
|
|
146
|
2810 }
|
|
|
2811
|
|
|
2812 smcf->commands.pool = cf->pool;
|
|
|
2813 smcf->commands.temp_pool = cf->temp_pool;
|
|
|
2814
|
|
|
2815 if (ngx_hash_keys_array_init(&smcf->commands, NGX_HASH_SMALL) != NGX_OK) {
|
|
496
|
2816 return NULL;
|
|
146
|
2817 }
|
|
|
2818
|
|
|
2819 return smcf;
|
|
|
2820 }
|
|
|
2821
|
|
|
2822
|
|
|
2823 static char *
|
|
|
2824 ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
2825 {
|
|
|
2826 ngx_http_ssi_main_conf_t *smcf = conf;
|
|
|
2827
|
|
|
2828 ngx_hash_init_t hash;
|
|
|
2829
|
|
|
2830 hash.hash = &smcf->hash;
|
|
|
2831 hash.key = ngx_hash_key;
|
|
|
2832 hash.max_size = 1024;
|
|
|
2833 hash.bucket_size = ngx_cacheline_size;
|
|
|
2834 hash.name = "ssi_command_hash";
|
|
|
2835 hash.pool = cf->pool;
|
|
|
2836 hash.temp_pool = NULL;
|
|
|
2837
|
|
|
2838 if (ngx_hash_init(&hash, smcf->commands.keys.elts,
|
|
|
2839 smcf->commands.keys.nelts)
|
|
|
2840 != NGX_OK)
|
|
|
2841 {
|
|
|
2842 return NGX_CONF_ERROR;
|
|
|
2843 }
|
|
|
2844
|
|
|
2845 return NGX_CONF_OK;
|
|
|
2846 }
|
|
|
2847
|
|
|
2848
|
|
|
2849 static void *
|
|
296
|
2850 ngx_http_ssi_create_loc_conf(ngx_conf_t *cf)
|
|
46
|
2851 {
|
|
146
|
2852 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
2853
|
|
|
2854 slcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_loc_conf_t));
|
|
|
2855 if (slcf == NULL) {
|
|
496
|
2856 return NULL;
|
|
46
|
2857 }
|
|
|
2858
|
|
76
|
2859 /*
|
|
|
2860 * set by ngx_pcalloc():
|
|
|
2861 *
|
|
394
|
2862 * conf->types = { NULL };
|
|
|
2863 * conf->types_keys = NULL;
|
|
76
|
2864 */
|
|
|
2865
|
|
146
|
2866 slcf->enable = NGX_CONF_UNSET;
|
|
|
2867 slcf->silent_errors = NGX_CONF_UNSET;
|
|
|
2868 slcf->ignore_recycled_buffers = NGX_CONF_UNSET;
|
|
|
2869
|
|
|
2870 slcf->min_file_chunk = NGX_CONF_UNSET_SIZE;
|
|
|
2871 slcf->value_len = NGX_CONF_UNSET_SIZE;
|
|
|
2872
|
|
|
2873 return slcf;
|
|
46
|
2874 }
|
|
|
2875
|
|
|
2876
|
|
|
2877 static char *
|
|
296
|
2878 ngx_http_ssi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
46
|
2879 {
|
|
146
|
2880 ngx_http_ssi_loc_conf_t *prev = parent;
|
|
|
2881 ngx_http_ssi_loc_conf_t *conf = child;
|
|
46
|
2882
|
|
|
2883 ngx_conf_merge_value(conf->enable, prev->enable, 0);
|
|
|
2884 ngx_conf_merge_value(conf->silent_errors, prev->silent_errors, 0);
|
|
58
|
2885 ngx_conf_merge_value(conf->ignore_recycled_buffers,
|
|
|
2886 prev->ignore_recycled_buffers, 0);
|
|
46
|
2887
|
|
|
2888 ngx_conf_merge_size_value(conf->min_file_chunk, prev->min_file_chunk, 1024);
|
|
|
2889 ngx_conf_merge_size_value(conf->value_len, prev->value_len, 256);
|
|
|
2890
|
|
554
|
2891 if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types,
|
|
|
2892 &prev->types_keys, &prev->types,
|
|
394
|
2893 ngx_http_html_default_types)
|
|
|
2894 != NGX_OK)
|
|
|
2895 {
|
|
|
2896 return NGX_CONF_ERROR;
|
|
76
|
2897 }
|
|
|
2898
|
|
46
|
2899 return NGX_CONF_OK;
|
|
|
2900 }
|
|
|
2901
|
|
|
2902
|
|
|
2903 static ngx_int_t
|
|
230
|
2904 ngx_http_ssi_filter_init(ngx_conf_t *cf)
|
|
46
|
2905 {
|
|
|
2906 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
|
2907 ngx_http_top_header_filter = ngx_http_ssi_header_filter;
|
|
|
2908
|
|
|
2909 ngx_http_next_body_filter = ngx_http_top_body_filter;
|
|
|
2910 ngx_http_top_body_filter = ngx_http_ssi_body_filter;
|
|
|
2911
|
|
|
2912 return NGX_OK;
|
|
|
2913 }
|
