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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,
|
|
670
|
717 "too many SSI command parameters: \"%V\"",
|
|
146
|
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,
|
|
666
|
1207 ctx->value_len + 1);
|
|
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
|
|
666
|
1378 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1379 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1380 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1381 "parameter in \"%V\" SSI command",
|
|
|
1382 &ctx->param->value, ch, &ctx->param->key,
|
|
|
1383 &ctx->command);
|
|
|
1384 state = ssi_error_state;
|
|
|
1385 break;
|
|
|
1386 }
|
|
|
1387
|
|
46
|
1388 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
|
1389
|
|
|
1390 break;
|
|
|
1391
|
|
|
1392 case ssi_postparam_state:
|
|
158
|
1393
|
|
200
|
1394 if (ctx->param->value.len + 1 < ctx->value_len / 2) {
|
|
382
|
1395 value = ngx_pnalloc(r->pool, ctx->param->value.len + 1);
|
|
158
|
1396 if (value == NULL) {
|
|
|
1397 return NGX_ERROR;
|
|
|
1398 }
|
|
|
1399
|
|
|
1400 ngx_memcpy(value, ctx->param->value.data,
|
|
|
1401 ctx->param->value.len);
|
|
|
1402
|
|
|
1403 ctx->value_buf = ctx->param->value.data;
|
|
|
1404 ctx->param->value.data = value;
|
|
|
1405
|
|
|
1406 } else {
|
|
|
1407 ctx->value_buf = NULL;
|
|
|
1408 }
|
|
|
1409
|
|
46
|
1410 switch (ch) {
|
|
|
1411 case ' ':
|
|
|
1412 case CR:
|
|
|
1413 case LF:
|
|
|
1414 case '\t':
|
|
|
1415 state = ssi_preparam_state;
|
|
|
1416 break;
|
|
|
1417
|
|
|
1418 case '-':
|
|
|
1419 state = ssi_comment_end0_state;
|
|
|
1420 break;
|
|
|
1421
|
|
|
1422 default:
|
|
|
1423 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1424 "unexpected \"%c\" symbol after \"%V\" value "
|
|
|
1425 "of \"%V\" parameter in \"%V\" SSI command",
|
|
|
1426 ch, &ctx->param->value, &ctx->param->key,
|
|
|
1427 &ctx->command);
|
|
|
1428 state = ssi_error_state;
|
|
|
1429 break;
|
|
|
1430 }
|
|
|
1431
|
|
|
1432 break;
|
|
|
1433
|
|
|
1434 case ssi_comment_end0_state:
|
|
|
1435 switch (ch) {
|
|
|
1436 case '-':
|
|
|
1437 state = ssi_comment_end1_state;
|
|
|
1438 break;
|
|
|
1439
|
|
|
1440 default:
|
|
|
1441 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1442 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1443 ch, &ctx->command);
|
|
|
1444 state = ssi_error_state;
|
|
|
1445 break;
|
|
|
1446 }
|
|
|
1447
|
|
|
1448 break;
|
|
|
1449
|
|
|
1450 case ssi_comment_end1_state:
|
|
|
1451 switch (ch) {
|
|
|
1452 case '>':
|
|
|
1453 ctx->state = ssi_start_state;
|
|
|
1454 ctx->pos = p + 1;
|
|
|
1455 ctx->looked = looked;
|
|
|
1456 ctx->copy_end = copy_end;
|
|
|
1457
|
|
|
1458 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1459 ctx->copy_start = ctx->buf->pos;
|
|
|
1460 }
|
|
|
1461
|
|
|
1462 return NGX_OK;
|
|
|
1463
|
|
|
1464 default:
|
|
|
1465 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1466 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1467 ch, &ctx->command);
|
|
|
1468 state = ssi_error_state;
|
|
|
1469 break;
|
|
|
1470 }
|
|
|
1471
|
|
|
1472 break;
|
|
|
1473
|
|
|
1474 case ssi_error_state:
|
|
|
1475 switch (ch) {
|
|
|
1476 case '-':
|
|
|
1477 state = ssi_error_end0_state;
|
|
|
1478 break;
|
|
|
1479
|
|
|
1480 default:
|
|
|
1481 break;
|
|
|
1482 }
|
|
|
1483
|
|
|
1484 break;
|
|
|
1485
|
|
|
1486 case ssi_error_end0_state:
|
|
|
1487 switch (ch) {
|
|
|
1488 case '-':
|
|
|
1489 state = ssi_error_end1_state;
|
|
|
1490 break;
|
|
|
1491
|
|
|
1492 default:
|
|
|
1493 state = ssi_error_state;
|
|
|
1494 break;
|
|
|
1495 }
|
|
|
1496
|
|
|
1497 break;
|
|
|
1498
|
|
|
1499 case ssi_error_end1_state:
|
|
|
1500 switch (ch) {
|
|
|
1501 case '>':
|
|
|
1502 ctx->state = ssi_start_state;
|
|
|
1503 ctx->pos = p + 1;
|
|
|
1504 ctx->looked = looked;
|
|
|
1505 ctx->copy_end = copy_end;
|
|
|
1506
|
|
|
1507 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1508 ctx->copy_start = ctx->buf->pos;
|
|
|
1509 }
|
|
|
1510
|
|
|
1511 return NGX_HTTP_SSI_ERROR;
|
|
|
1512
|
|
|
1513 default:
|
|
|
1514 state = ssi_error_state;
|
|
|
1515 break;
|
|
|
1516 }
|
|
|
1517
|
|
|
1518 break;
|
|
|
1519 }
|
|
|
1520 }
|
|
|
1521
|
|
|
1522 ctx->state = state;
|
|
|
1523 ctx->pos = p;
|
|
|
1524 ctx->looked = looked;
|
|
|
1525
|
|
|
1526 ctx->copy_end = (state == ssi_start_state) ? p : copy_end;
|
|
|
1527
|
|
|
1528 if (ctx->copy_start == NULL && ctx->copy_end) {
|
|
|
1529 ctx->copy_start = ctx->buf->pos;
|
|
|
1530 }
|
|
|
1531
|
|
|
1532 return NGX_AGAIN;
|
|
|
1533 }
|
|
|
1534
|
|
|
1535
|
|
102
|
1536 static ngx_str_t *
|
|
160
|
1537 ngx_http_ssi_get_variable(ngx_http_request_t *r, ngx_str_t *name,
|
|
|
1538 ngx_uint_t key)
|
|
102
|
1539 {
|
|
|
1540 ngx_uint_t i;
|
|
248
|
1541 ngx_list_part_t *part;
|
|
102
|
1542 ngx_http_ssi_var_t *var;
|
|
|
1543 ngx_http_ssi_ctx_t *ctx;
|
|
|
1544
|
|
|
1545 ctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
1546
|
|
656
|
1547 #if (NGX_PCRE)
|
|
|
1548 {
|
|
|
1549 ngx_str_t *value;
|
|
|
1550
|
|
|
1551 if (key >= '0' && key <= '9') {
|
|
|
1552 i = key - '0';
|
|
|
1553
|
|
|
1554 if (i < ctx->ncaptures) {
|
|
|
1555 value = ngx_palloc(r->pool, sizeof(ngx_str_t));
|
|
|
1556 if (value == NULL) {
|
|
|
1557 return NULL;
|
|
|
1558 }
|
|
|
1559
|
|
|
1560 i *= 2;
|
|
|
1561
|
|
|
1562 value->data = ctx->captures_data + ctx->captures[i];
|
|
|
1563 value->len = ctx->captures[i + 1] - ctx->captures[i];
|
|
|
1564
|
|
|
1565 return value;
|
|
|
1566 }
|
|
|
1567 }
|
|
|
1568 }
|
|
|
1569 #endif
|
|
|
1570
|
|
216
|
1571 if (ctx->variables == NULL) {
|
|
|
1572 return NULL;
|
|
|
1573 }
|
|
|
1574
|
|
248
|
1575 part = &ctx->variables->part;
|
|
|
1576 var = part->elts;
|
|
|
1577
|
|
|
1578 for (i = 0; /* void */ ; i++) {
|
|
|
1579
|
|
|
1580 if (i >= part->nelts) {
|
|
|
1581 if (part->next == NULL) {
|
|
|
1582 break;
|
|
|
1583 }
|
|
250
|
1584
|
|
248
|
1585 part = part->next;
|
|
|
1586 var = part->elts;
|
|
|
1587 i = 0;
|
|
|
1588 }
|
|
|
1589
|
|
102
|
1590 if (name->len != var[i].name.len) {
|
|
|
1591 continue;
|
|
|
1592 }
|
|
|
1593
|
|
160
|
1594 if (key != var[i].key) {
|
|
|
1595 continue;
|
|
|
1596 }
|
|
|
1597
|
|
|
1598 if (ngx_strncmp(name->data, var[i].name.data, name->len) == 0) {
|
|
102
|
1599 return &var[i].value;
|
|
|
1600 }
|
|
|
1601 }
|
|
|
1602
|
|
|
1603 return NULL;
|
|
|
1604 }
|
|
|
1605
|
|
|
1606
|
|
|
1607 static ngx_int_t
|
|
|
1608 ngx_http_ssi_evaluate_string(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1609 ngx_str_t *text, ngx_uint_t flags)
|
|
|
1610 {
|
|
122
|
1611 u_char ch, *p, **value, *data, *part_data;
|
|
|
1612 size_t *size, len, prefix, part_len;
|
|
|
1613 ngx_str_t var, *val;
|
|
160
|
1614 ngx_int_t key;
|
|
392
|
1615 ngx_uint_t i, n, bracket, quoted;
|
|
102
|
1616 ngx_array_t lengths, values;
|
|
|
1617 ngx_http_variable_value_t *vv;
|
|
|
1618
|
|
|
1619 n = ngx_http_script_variables_count(text);
|
|
|
1620
|
|
|
1621 if (n == 0) {
|
|
|
1622
|
|
206
|
1623 data = text->data;
|
|
|
1624 p = data;
|
|
|
1625
|
|
|
1626 if ((flags & NGX_HTTP_SSI_ADD_PREFIX) && text->data[0] != '/') {
|
|
|
1627
|
|
102
|
1628 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1629 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1630 break;
|
|
|
1631 }
|
|
|
1632 }
|
|
|
1633
|
|
|
1634 if (prefix) {
|
|
|
1635 len = prefix + text->len;
|
|
|
1636
|
|
382
|
1637 data = ngx_pnalloc(r->pool, len);
|
|
102
|
1638 if (data == NULL) {
|
|
|
1639 return NGX_ERROR;
|
|
|
1640 }
|
|
|
1641
|
|
122
|
1642 p = ngx_copy(data, r->uri.data, prefix);
|
|
102
|
1643 }
|
|
|
1644 }
|
|
|
1645
|
|
206
|
1646 quoted = 0;
|
|
|
1647
|
|
378
|
1648 for (i = 0; i < text->len; i++) {
|
|
206
|
1649 ch = text->data[i];
|
|
|
1650
|
|
|
1651 if (!quoted) {
|
|
|
1652
|
|
|
1653 if (ch == '\\') {
|
|
|
1654 quoted = 1;
|
|
|
1655 continue;
|
|
|
1656 }
|
|
|
1657
|
|
|
1658 } else {
|
|
|
1659 quoted = 0;
|
|
|
1660
|
|
|
1661 if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') {
|
|
|
1662 *p++ = '\\';
|
|
|
1663 }
|
|
|
1664 }
|
|
|
1665
|
|
|
1666 *p++ = ch;
|
|
|
1667 }
|
|
|
1668
|
|
|
1669 text->len = p - data;
|
|
|
1670 text->data = data;
|
|
|
1671
|
|
102
|
1672 return NGX_OK;
|
|
|
1673 }
|
|
|
1674
|
|
|
1675 if (ngx_array_init(&lengths, r->pool, 8, sizeof(size_t *)) != NGX_OK) {
|
|
|
1676 return NGX_ERROR;
|
|
|
1677 }
|
|
|
1678
|
|
|
1679 if (ngx_array_init(&values, r->pool, 8, sizeof(u_char *)) != NGX_OK) {
|
|
|
1680 return NGX_ERROR;
|
|
|
1681 }
|
|
|
1682
|
|
|
1683 len = 0;
|
|
|
1684 i = 0;
|
|
|
1685
|
|
|
1686 while (i < text->len) {
|
|
|
1687
|
|
|
1688 if (text->data[i] == '$') {
|
|
|
1689
|
|
|
1690 var.len = 0;
|
|
|
1691
|
|
|
1692 if (++i == text->len) {
|
|
|
1693 goto invalid_variable;
|
|
|
1694 }
|
|
|
1695
|
|
|
1696 if (text->data[i] == '{') {
|
|
|
1697 bracket = 1;
|
|
|
1698
|
|
|
1699 if (++i == text->len) {
|
|
|
1700 goto invalid_variable;
|
|
|
1701 }
|
|
|
1702
|
|
|
1703 var.data = &text->data[i];
|
|
|
1704
|
|
|
1705 } else {
|
|
|
1706 bracket = 0;
|
|
|
1707 var.data = &text->data[i];
|
|
|
1708 }
|
|
|
1709
|
|
|
1710 for ( /* void */ ; i < text->len; i++, var.len++) {
|
|
|
1711 ch = text->data[i];
|
|
|
1712
|
|
|
1713 if (ch == '}' && bracket) {
|
|
|
1714 i++;
|
|
|
1715 bracket = 0;
|
|
|
1716 break;
|
|
|
1717 }
|
|
|
1718
|
|
|
1719 if ((ch >= 'A' && ch <= 'Z')
|
|
|
1720 || (ch >= 'a' && ch <= 'z')
|
|
|
1721 || (ch >= '0' && ch <= '9')
|
|
|
1722 || ch == '_')
|
|
|
1723 {
|
|
|
1724 continue;
|
|
|
1725 }
|
|
|
1726
|
|
|
1727 break;
|
|
|
1728 }
|
|
|
1729
|
|
|
1730 if (bracket) {
|
|
|
1731 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1732 "the closing bracket in \"%V\" "
|
|
|
1733 "variable is missing", &var);
|
|
248
|
1734 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1735 }
|
|
|
1736
|
|
126
|
1737 if (var.len == 0) {
|
|
102
|
1738 goto invalid_variable;
|
|
|
1739 }
|
|
|
1740
|
|
392
|
1741 key = ngx_hash_strlow(var.data, var.data, var.len);
|
|
102
|
1742
|
|
160
|
1743 val = ngx_http_ssi_get_variable(r, &var, key);
|
|
102
|
1744
|
|
|
1745 if (val == NULL) {
|
|
568
|
1746 vv = ngx_http_get_variable(r, &var, key);
|
|
102
|
1747 if (vv == NULL) {
|
|
|
1748 return NGX_ERROR;
|
|
|
1749 }
|
|
|
1750
|
|
122
|
1751 if (vv->not_found) {
|
|
102
|
1752 continue;
|
|
|
1753 }
|
|
|
1754
|
|
122
|
1755 part_data = vv->data;
|
|
|
1756 part_len = vv->len;
|
|
102
|
1757
|
|
|
1758 } else {
|
|
122
|
1759 part_data = val->data;
|
|
|
1760 part_len = val->len;
|
|
102
|
1761 }
|
|
|
1762
|
|
|
1763 } else {
|
|
122
|
1764 part_data = &text->data[i];
|
|
200
|
1765 quoted = 0;
|
|
122
|
1766
|
|
|
1767 for (p = part_data; i < text->len; i++) {
|
|
108
|
1768 ch = text->data[i];
|
|
|
1769
|
|
200
|
1770 if (!quoted) {
|
|
|
1771
|
|
|
1772 if (ch == '\\') {
|
|
|
1773 quoted = 1;
|
|
|
1774 continue;
|
|
|
1775 }
|
|
|
1776
|
|
|
1777 if (ch == '$') {
|
|
108
|
1778 break;
|
|
|
1779 }
|
|
|
1780
|
|
200
|
1781 } else {
|
|
|
1782 quoted = 0;
|
|
|
1783
|
|
|
1784 if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') {
|
|
|
1785 *p++ = '\\';
|
|
|
1786 }
|
|
108
|
1787 }
|
|
|
1788
|
|
|
1789 *p++ = ch;
|
|
102
|
1790 }
|
|
108
|
1791
|
|
122
|
1792 part_len = p - part_data;
|
|
102
|
1793 }
|
|
|
1794
|
|
122
|
1795 len += part_len;
|
|
102
|
1796
|
|
|
1797 size = ngx_array_push(&lengths);
|
|
|
1798 if (size == NULL) {
|
|
|
1799 return NGX_ERROR;
|
|
|
1800 }
|
|
|
1801
|
|
122
|
1802 *size = part_len;
|
|
102
|
1803
|
|
|
1804 value = ngx_array_push(&values);
|
|
|
1805 if (value == NULL) {
|
|
|
1806 return NGX_ERROR;
|
|
|
1807 }
|
|
|
1808
|
|
122
|
1809 *value = part_data;
|
|
102
|
1810 }
|
|
|
1811
|
|
|
1812 prefix = 0;
|
|
|
1813
|
|
|
1814 size = lengths.elts;
|
|
|
1815 value = values.elts;
|
|
|
1816
|
|
|
1817 if (flags & NGX_HTTP_SSI_ADD_PREFIX) {
|
|
|
1818 for (i = 0; i < values.nelts; i++) {
|
|
|
1819 if (size[i] != 0) {
|
|
|
1820 if (*value[i] != '/') {
|
|
|
1821 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1822 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1823 len += prefix;
|
|
|
1824 break;
|
|
|
1825 }
|
|
|
1826 }
|
|
|
1827 }
|
|
|
1828
|
|
|
1829 break;
|
|
|
1830 }
|
|
|
1831 }
|
|
|
1832 }
|
|
|
1833
|
|
382
|
1834 p = ngx_pnalloc(r->pool, len + ((flags & NGX_HTTP_SSI_ADD_ZERO) ? 1 : 0));
|
|
102
|
1835 if (p == NULL) {
|
|
|
1836 return NGX_ERROR;
|
|
|
1837 }
|
|
|
1838
|
|
|
1839 text->len = len;
|
|
|
1840 text->data = p;
|
|
|
1841
|
|
122
|
1842 p = ngx_copy(p, r->uri.data, prefix);
|
|
102
|
1843
|
|
|
1844 for (i = 0; i < values.nelts; i++) {
|
|
122
|
1845 p = ngx_copy(p, value[i], size[i]);
|
|
102
|
1846 }
|
|
|
1847
|
|
|
1848 return NGX_OK;
|
|
|
1849
|
|
|
1850 invalid_variable:
|
|
|
1851
|
|
|
1852 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1853 "invalid variable name in \"%V\"", text);
|
|
|
1854
|
|
248
|
1855 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1856 }
|
|
|
1857
|
|
|
1858
|
|
|
1859 static ngx_int_t
|
|
656
|
1860 ngx_http_ssi_regex_match(ngx_http_request_t *r, ngx_str_t *pattern,
|
|
|
1861 ngx_str_t *str)
|
|
|
1862 {
|
|
|
1863 #if (NGX_PCRE)
|
|
|
1864 int rc, *captures;
|
|
|
1865 u_char *p, errstr[NGX_MAX_CONF_ERRSTR];
|
|
|
1866 size_t size;
|
|
|
1867 ngx_int_t key;
|
|
|
1868 ngx_str_t *vv, name, value;
|
|
|
1869 ngx_uint_t i, n;
|
|
|
1870 ngx_http_ssi_ctx_t *ctx;
|
|
|
1871 ngx_http_ssi_var_t *var;
|
|
|
1872 ngx_regex_compile_t rgc;
|
|
|
1873
|
|
|
1874 ngx_memzero(&rgc, sizeof(ngx_regex_compile_t));
|
|
|
1875
|
|
|
1876 rgc.pattern = *pattern;
|
|
|
1877 rgc.pool = r->pool;
|
|
|
1878 rgc.err.len = NGX_MAX_CONF_ERRSTR;
|
|
|
1879 rgc.err.data = errstr;
|
|
|
1880
|
|
|
1881 if (ngx_regex_compile(&rgc) != NGX_OK) {
|
|
|
1882 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "%V", &rgc.err);
|
|
|
1883 return NGX_HTTP_SSI_ERROR;
|
|
|
1884 }
|
|
|
1885
|
|
|
1886 n = (rgc.captures + 1) * 3;
|
|
|
1887
|
|
|
1888 captures = ngx_palloc(r->pool, n * sizeof(int));
|
|
|
1889 if (captures == NULL) {
|
|
|
1890 return NGX_ERROR;
|
|
|
1891 }
|
|
|
1892
|
|
|
1893 rc = ngx_regex_exec(rgc.regex, str, captures, n);
|
|
|
1894
|
|
|
1895 if (rc < NGX_REGEX_NO_MATCHED) {
|
|
|
1896 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1897 ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"",
|
|
|
1898 rc, str, pattern);
|
|
|
1899 return NGX_HTTP_SSI_ERROR;
|
|
|
1900 }
|
|
|
1901
|
|
|
1902 if (rc == NGX_REGEX_NO_MATCHED) {
|
|
|
1903 return NGX_DECLINED;
|
|
|
1904 }
|
|
|
1905
|
|
|
1906 ctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
1907
|
|
|
1908 ctx->ncaptures = rc;
|
|
|
1909 ctx->captures = captures;
|
|
|
1910 ctx->captures_data = str->data;
|
|
|
1911
|
|
|
1912 if (rgc.named_captures > 0) {
|
|
|
1913
|
|
|
1914 if (ctx->variables == NULL) {
|
|
|
1915 ctx->variables = ngx_list_create(r->pool, 4,
|
|
|
1916 sizeof(ngx_http_ssi_var_t));
|
|
|
1917 if (ctx->variables == NULL) {
|
|
|
1918 return NGX_ERROR;
|
|
|
1919 }
|
|
|
1920 }
|
|
|
1921
|
|
|
1922 size = rgc.name_size;
|
|
|
1923 p = rgc.names;
|
|
|
1924
|
|
|
1925 for (i = 0; i < (ngx_uint_t) rgc.named_captures; i++, p += size) {
|
|
|
1926
|
|
|
1927 name.data = &p[2];
|
|
|
1928 name.len = ngx_strlen(name.data);
|
|
|
1929
|
|
|
1930 n = 2 * ((p[0] << 8) + p[1]);
|
|
|
1931
|
|
|
1932 value.data = &str->data[captures[n]];
|
|
|
1933 value.len = captures[n + 1] - captures[n];
|
|
|
1934
|
|
|
1935 key = ngx_hash_strlow(name.data, name.data, name.len);
|
|
|
1936
|
|
|
1937 vv = ngx_http_ssi_get_variable(r, &name, key);
|
|
|
1938
|
|
|
1939 if (vv) {
|
|
|
1940 *vv = value;
|
|
|
1941 continue;
|
|
|
1942 }
|
|
|
1943
|
|
|
1944 var = ngx_list_push(ctx->variables);
|
|
|
1945 if (var == NULL) {
|
|
|
1946 return NGX_ERROR;
|
|
|
1947 }
|
|
|
1948
|
|
|
1949 var->name = name;
|
|
|
1950 var->key = key;
|
|
|
1951 var->value = value;
|
|
|
1952 }
|
|
|
1953 }
|
|
|
1954
|
|
|
1955 return NGX_OK;
|
|
|
1956
|
|
|
1957 #else
|
|
|
1958
|
|
|
1959 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1960 "the using of the regex \"%V\" in SSI requires PCRE library",
|
|
|
1961 pattern);
|
|
|
1962 return NGX_HTTP_SSI_ERROR;
|
|
|
1963
|
|
|
1964 #endif
|
|
|
1965 }
|
|
|
1966
|
|
|
1967
|
|
|
1968 static ngx_int_t
|
|
102
|
1969 ngx_http_ssi_include(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1970 ngx_str_t **params)
|
|
|
1971 {
|
|
342
|
1972 u_char *dst, *src;
|
|
|
1973 size_t len;
|
|
248
|
1974 ngx_int_t rc, key;
|
|
|
1975 ngx_str_t *uri, *file, *wait, *set, *stub, args;
|
|
|
1976 ngx_buf_t *b;
|
|
|
1977 ngx_uint_t flags, i;
|
|
250
|
1978 ngx_chain_t *cl, *tl, **ll, *out;
|
|
248
|
1979 ngx_http_request_t *sr;
|
|
|
1980 ngx_http_ssi_var_t *var;
|
|
|
1981 ngx_http_ssi_ctx_t *mctx;
|
|
|
1982 ngx_http_ssi_block_t *bl;
|
|
|
1983 ngx_http_post_subrequest_t *psr;
|
|
102
|
1984
|
|
|
1985 uri = params[NGX_HTTP_SSI_INCLUDE_VIRTUAL];
|
|
|
1986 file = params[NGX_HTTP_SSI_INCLUDE_FILE];
|
|
194
|
1987 wait = params[NGX_HTTP_SSI_INCLUDE_WAIT];
|
|
248
|
1988 set = params[NGX_HTTP_SSI_INCLUDE_SET];
|
|
216
|
1989 stub = params[NGX_HTTP_SSI_INCLUDE_STUB];
|
|
102
|
1990
|
|
|
1991 if (uri && file) {
|
|
|
1992 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1993 "inlcusion may be either virtual=\"%V\" or file=\"%V\"",
|
|
|
1994 uri, file);
|
|
|
1995 return NGX_HTTP_SSI_ERROR;
|
|
|
1996 }
|
|
|
1997
|
|
|
1998 if (uri == NULL && file == NULL) {
|
|
|
1999 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2000 "no parameter in \"include\" SSI command");
|
|
|
2001 return NGX_HTTP_SSI_ERROR;
|
|
|
2002 }
|
|
|
2003
|
|
248
|
2004 if (set && stub) {
|
|
|
2005 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
672
|
2006 "\"set\" and \"stub\" cannot be used together "
|
|
248
|
2007 "in \"include\" SSI command");
|
|
|
2008 return NGX_HTTP_SSI_ERROR;
|
|
|
2009 }
|
|
|
2010
|
|
194
|
2011 if (wait) {
|
|
|
2012 if (uri == NULL) {
|
|
|
2013 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
672
|
2014 "\"wait\" cannot be used with file=\"%V\"", file);
|
|
194
|
2015 return NGX_HTTP_SSI_ERROR;
|
|
|
2016 }
|
|
|
2017
|
|
286
|
2018 if (wait->len == 2
|
|
|
2019 && ngx_strncasecmp(wait->data, (u_char *) "no", 2) == 0)
|
|
|
2020 {
|
|
194
|
2021 wait = NULL;
|
|
|
2022
|
|
286
|
2023 } else if (wait->len != 3
|
|
|
2024 || ngx_strncasecmp(wait->data, (u_char *) "yes", 3) != 0)
|
|
194
|
2025 {
|
|
|
2026 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2027 "invalid value \"%V\" in the \"wait\" parameter",
|
|
216
|
2028 wait);
|
|
194
|
2029 return NGX_HTTP_SSI_ERROR;
|
|
|
2030 }
|
|
|
2031 }
|
|
|
2032
|
|
102
|
2033 if (uri == NULL) {
|
|
|
2034 uri = file;
|
|
434
|
2035 wait = (ngx_str_t *) -1;
|
|
102
|
2036 }
|
|
|
2037
|
|
248
|
2038 rc = ngx_http_ssi_evaluate_string(r, ctx, uri, NGX_HTTP_SSI_ADD_PREFIX);
|
|
|
2039
|
|
|
2040 if (rc != NGX_OK) {
|
|
|
2041 return rc;
|
|
102
|
2042 }
|
|
|
2043
|
|
342
|
2044 dst = uri->data;
|
|
|
2045 src = uri->data;
|
|
|
2046
|
|
|
2047 ngx_unescape_uri(&dst, &src, uri->len, NGX_UNESCAPE_URI);
|
|
|
2048
|
|
|
2049 len = (uri->data + uri->len) - src;
|
|
|
2050 if (len) {
|
|
620
|
2051 dst = ngx_movemem(dst, src, len);
|
|
342
|
2052 }
|
|
|
2053
|
|
|
2054 uri->len = dst - uri->data;
|
|
|
2055
|
|
|
2056 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2057 "ssi include: \"%V\"", uri);
|
|
|
2058
|
|
570
|
2059 ngx_str_null(&args);
|
|
530
|
2060 flags = NGX_HTTP_LOG_UNSAFE;
|
|
122
|
2061
|
|
|
2062 if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) {
|
|
|
2063 return NGX_HTTP_SSI_ERROR;
|
|
102
|
2064 }
|
|
|
2065
|
|
248
|
2066 psr = NULL;
|
|
|
2067
|
|
|
2068 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
216
|
2069
|
|
|
2070 if (stub) {
|
|
|
2071 if (mctx->blocks) {
|
|
|
2072 bl = mctx->blocks->elts;
|
|
|
2073 for (i = 0; i < mctx->blocks->nelts; i++) {
|
|
|
2074 if (stub->len == bl[i].name.len
|
|
|
2075 && ngx_strncmp(stub->data, bl[i].name.data, stub->len) == 0)
|
|
|
2076 {
|
|
|
2077 goto found;
|
|
|
2078 }
|
|
|
2079 }
|
|
|
2080 }
|
|
|
2081
|
|
|
2082 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2083 "\"stub\"=\"%V\" for \"include\" not found", stub);
|
|
|
2084 return NGX_HTTP_SSI_ERROR;
|
|
|
2085
|
|
|
2086 found:
|
|
|
2087
|
|
248
|
2088 psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t));
|
|
|
2089 if (psr == NULL) {
|
|
|
2090 return NGX_ERROR;
|
|
|
2091 }
|
|
|
2092
|
|
|
2093 psr->handler = ngx_http_ssi_stub_output;
|
|
|
2094
|
|
216
|
2095 if (bl[i].count++) {
|
|
|
2096
|
|
366
|
2097 out = NULL;
|
|
250
|
2098 ll = &out;
|
|
216
|
2099
|
|
|
2100 for (tl = bl[i].bufs; tl; tl = tl->next) {
|
|
|
2101
|
|
|
2102 if (ctx->free) {
|
|
|
2103 cl = ctx->free;
|
|
|
2104 ctx->free = ctx->free->next;
|
|
|
2105 b = cl->buf;
|
|
|
2106
|
|
|
2107 } else {
|
|
|
2108 b = ngx_alloc_buf(r->pool);
|
|
|
2109 if (b == NULL) {
|
|
|
2110 return NGX_ERROR;
|
|
|
2111 }
|
|
|
2112
|
|
|
2113 cl = ngx_alloc_chain_link(r->pool);
|
|
|
2114 if (cl == NULL) {
|
|
|
2115 return NGX_ERROR;
|
|
|
2116 }
|
|
|
2117
|
|
|
2118 cl->buf = b;
|
|
|
2119 }
|
|
|
2120
|
|
|
2121 ngx_memcpy(b, tl->buf, sizeof(ngx_buf_t));
|
|
|
2122
|
|
|
2123 b->pos = b->start;
|
|
|
2124
|
|
|
2125 *ll = cl;
|
|
|
2126 cl->next = NULL;
|
|
|
2127 ll = &cl->next;
|
|
|
2128 }
|
|
|
2129
|
|
250
|
2130 psr->data = out;
|
|
|
2131
|
|
216
|
2132 } else {
|
|
248
|
2133 psr->data = bl[i].bufs;
|
|
216
|
2134 }
|
|
|
2135 }
|
|
|
2136
|
|
426
|
2137 if (wait) {
|
|
|
2138 flags |= NGX_HTTP_SUBREQUEST_WAITED;
|
|
|
2139 }
|
|
|
2140
|
|
248
|
2141 if (set) {
|
|
392
|
2142 key = ngx_hash_strlow(set->data, set->data, set->len);
|
|
248
|
2143
|
|
|
2144 psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t));
|
|
|
2145 if (psr == NULL) {
|
|
|
2146 return NGX_ERROR;
|
|
|
2147 }
|
|
|
2148
|
|
|
2149 psr->handler = ngx_http_ssi_set_variable;
|
|
|
2150 psr->data = ngx_http_ssi_get_variable(r, set, key);
|
|
|
2151
|
|
|
2152 if (psr->data == NULL) {
|
|
|
2153
|
|
|
2154 if (mctx->variables == NULL) {
|
|
|
2155 mctx->variables = ngx_list_create(r->pool, 4,
|
|
|
2156 sizeof(ngx_http_ssi_var_t));
|
|
|
2157 if (mctx->variables == NULL) {
|
|
|
2158 return NGX_ERROR;
|
|
|
2159 }
|
|
|
2160 }
|
|
|
2161
|
|
|
2162 var = ngx_list_push(mctx->variables);
|
|
|
2163 if (var == NULL) {
|
|
|
2164 return NGX_ERROR;
|
|
|
2165 }
|
|
|
2166
|
|
|
2167 var->name = *set;
|
|
|
2168 var->key = key;
|
|
|
2169 var->value = ngx_http_ssi_null_string;
|
|
|
2170 psr->data = &var->value;
|
|
|
2171 }
|
|
|
2172
|
|
426
|
2173 flags |= NGX_HTTP_SUBREQUEST_IN_MEMORY|NGX_HTTP_SUBREQUEST_WAITED;
|
|
248
|
2174 }
|
|
|
2175
|
|
426
|
2176 if (ngx_http_subrequest(r, uri, &args, &sr, psr, flags) != NGX_OK) {
|
|
102
|
2177 return NGX_HTTP_SSI_ERROR;
|
|
|
2178 }
|
|
|
2179
|
|
248
|
2180 if (wait == NULL && set == NULL) {
|
|
194
|
2181 return NGX_OK;
|
|
|
2182 }
|
|
|
2183
|
|
426
|
2184 if (ctx->wait == NULL) {
|
|
|
2185 ctx->wait = sr;
|
|
|
2186
|
|
|
2187 return NGX_AGAIN;
|
|
|
2188
|
|
|
2189 } else {
|
|
|
2190 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
672
|
2191 "can only wait for one subrequest at a time");
|
|
194
|
2192 }
|
|
|
2193
|
|
426
|
2194 return NGX_OK;
|
|
102
|
2195 }
|
|
|
2196
|
|
|
2197
|
|
46
|
2198 static ngx_int_t
|
|
248
|
2199 ngx_http_ssi_stub_output(ngx_http_request_t *r, void *data, ngx_int_t rc)
|
|
|
2200 {
|
|
|
2201 ngx_chain_t *out;
|
|
|
2202
|
|
|
2203 if (rc == NGX_ERROR || r->connection->error || r->request_output) {
|
|
|
2204 return rc;
|
|
|
2205 }
|
|
|
2206
|
|
|
2207 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2208 "ssi stub output: \"%V?%V\"", &r->uri, &r->args);
|
|
|
2209
|
|
|
2210 out = data;
|
|
|
2211
|
|
|
2212 if (!r->header_sent) {
|
|
564
|
2213 r->headers_out.content_type_len =
|
|
|
2214 r->parent->headers_out.content_type_len;
|
|
|
2215 r->headers_out.content_type = r->parent->headers_out.content_type;
|
|
248
|
2216
|
|
|
2217 if (ngx_http_send_header(r) == NGX_ERROR) {
|
|
|
2218 return NGX_ERROR;
|
|
|
2219 }
|
|
|
2220 }
|
|
|
2221
|
|
|
2222 return ngx_http_output_filter(r, out);
|
|
|
2223 }
|
|
|
2224
|
|
|
2225
|
|
|
2226 static ngx_int_t
|
|
|
2227 ngx_http_ssi_set_variable(ngx_http_request_t *r, void *data, ngx_int_t rc)
|
|
|
2228 {
|
|
|
2229 ngx_str_t *value = data;
|
|
|
2230
|
|
|
2231 if (r->upstream) {
|
|
|
2232 value->len = r->upstream->buffer.last - r->upstream->buffer.pos;
|
|
|
2233 value->data = r->upstream->buffer.pos;
|
|
|
2234 }
|
|
|
2235
|
|
|
2236 return rc;
|
|
|
2237 }
|
|
|
2238
|
|
|
2239
|
|
|
2240 static ngx_int_t
|
|
46
|
2241 ngx_http_ssi_echo(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2242 ngx_str_t **params)
|
|
|
2243 {
|
|
340
|
2244 u_char *p;
|
|
|
2245 uintptr_t len;
|
|
160
|
2246 ngx_int_t key;
|
|
48
|
2247 ngx_buf_t *b;
|
|
340
|
2248 ngx_str_t *var, *value, *enc, text;
|
|
48
|
2249 ngx_chain_t *cl;
|
|
50
|
2250 ngx_http_variable_value_t *vv;
|
|
46
|
2251
|
|
|
2252 var = params[NGX_HTTP_SSI_ECHO_VAR];
|
|
|
2253
|
|
192
|
2254 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2255 "ssi echo \"%V\"", var);
|
|
|
2256
|
|
392
|
2257 key = ngx_hash_strlow(var->data, var->data, var->len);
|
|
160
|
2258
|
|
|
2259 value = ngx_http_ssi_get_variable(r, var, key);
|
|
102
|
2260
|
|
|
2261 if (value == NULL) {
|
|
568
|
2262 vv = ngx_http_get_variable(r, var, key);
|
|
102
|
2263
|
|
|
2264 if (vv == NULL) {
|
|
|
2265 return NGX_HTTP_SSI_ERROR;
|
|
|
2266 }
|
|
|
2267
|
|
122
|
2268 if (!vv->not_found) {
|
|
|
2269 text.data = vv->data;
|
|
|
2270 text.len = vv->len;
|
|
|
2271 value = &text;
|
|
102
|
2272 }
|
|
50
|
2273 }
|
|
46
|
2274
|
|
102
|
2275 if (value == NULL) {
|
|
48
|
2276 value = params[NGX_HTTP_SSI_ECHO_DEFAULT];
|
|
|
2277
|
|
|
2278 if (value == NULL) {
|
|
|
2279 value = &ngx_http_ssi_none;
|
|
|
2280
|
|
|
2281 } else if (value->len == 0) {
|
|
|
2282 return NGX_OK;
|
|
|
2283 }
|
|
|
2284
|
|
|
2285 } else {
|
|
|
2286 if (value->len == 0) {
|
|
|
2287 return NGX_OK;
|
|
|
2288 }
|
|
|
2289 }
|
|
|
2290
|
|
340
|
2291 enc = params[NGX_HTTP_SSI_ECHO_ENCODING];
|
|
|
2292
|
|
|
2293 if (enc) {
|
|
|
2294 if (enc->len == 4 && ngx_strncmp(enc->data, "none", 4) == 0) {
|
|
|
2295
|
|
|
2296 ctx->encoding = NGX_HTTP_SSI_NO_ENCODING;
|
|
|
2297
|
|
|
2298 } else if (enc->len == 3 && ngx_strncmp(enc->data, "url", 3) == 0) {
|
|
|
2299
|
|
|
2300 ctx->encoding = NGX_HTTP_SSI_URL_ENCODING;
|
|
|
2301
|
|
|
2302 } else if (enc->len == 6 && ngx_strncmp(enc->data, "entity", 6) == 0) {
|
|
|
2303
|
|
|
2304 ctx->encoding = NGX_HTTP_SSI_ENTITY_ENCODING;
|
|
|
2305
|
|
|
2306 } else {
|
|
|
2307 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2308 "unknown encoding \"%V\" in the \"echo\" command",
|
|
|
2309 enc);
|
|
|
2310 }
|
|
|
2311 }
|
|
|
2312
|
|
568
|
2313 p = value->data;
|
|
|
2314
|
|
340
|
2315 switch (ctx->encoding) {
|
|
|
2316
|
|
|
2317 case NGX_HTTP_SSI_URL_ENCODING:
|
|
|
2318 len = 2 * ngx_escape_uri(NULL, value->data, value->len,
|
|
|
2319 NGX_ESCAPE_HTML);
|
|
|
2320
|
|
|
2321 if (len) {
|
|
382
|
2322 p = ngx_pnalloc(r->pool, value->len + len);
|
|
340
|
2323 if (p == NULL) {
|
|
|
2324 return NGX_HTTP_SSI_ERROR;
|
|
|
2325 }
|
|
|
2326
|
|
|
2327 (void) ngx_escape_uri(p, value->data, value->len, NGX_ESCAPE_HTML);
|
|
|
2328 }
|
|
|
2329
|
|
568
|
2330 len += value->len;
|
|
340
|
2331 break;
|
|
|
2332
|
|
|
2333 case NGX_HTTP_SSI_ENTITY_ENCODING:
|
|
|
2334 len = ngx_escape_html(NULL, value->data, value->len);
|
|
|
2335
|
|
|
2336 if (len) {
|
|
382
|
2337 p = ngx_pnalloc(r->pool, value->len + len);
|
|
340
|
2338 if (p == NULL) {
|
|
|
2339 return NGX_HTTP_SSI_ERROR;
|
|
|
2340 }
|
|
|
2341
|
|
|
2342 (void) ngx_escape_html(p, value->data, value->len);
|
|
|
2343 }
|
|
|
2344
|
|
568
|
2345 len += value->len;
|
|
|
2346 break;
|
|
|
2347
|
|
|
2348 default: /* NGX_HTTP_SSI_NO_ENCODING */
|
|
|
2349 len = value->len;
|
|
340
|
2350 break;
|
|
|
2351 }
|
|
|
2352
|
|
48
|
2353 b = ngx_calloc_buf(r->pool);
|
|
|
2354 if (b == NULL) {
|
|
|
2355 return NGX_HTTP_SSI_ERROR;
|
|
|
2356 }
|
|
|
2357
|
|
|
2358 cl = ngx_alloc_chain_link(r->pool);
|
|
|
2359 if (cl == NULL) {
|
|
46
|
2360 return NGX_HTTP_SSI_ERROR;
|
|
|
2361 }
|
|
|
2362
|
|
|
2363 b->memory = 1;
|
|
568
|
2364 b->pos = p;
|
|
|
2365 b->last = p + len;
|
|
46
|
2366
|
|
|
2367 cl->buf = b;
|
|
|
2368 cl->next = NULL;
|
|
|
2369 *ctx->last_out = cl;
|
|
|
2370 ctx->last_out = &cl->next;
|
|
|
2371
|
|
|
2372 return NGX_OK;
|
|
|
2373 }
|
|
|
2374
|
|
|
2375
|
|
58
|
2376 static ngx_int_t
|
|
|
2377 ngx_http_ssi_config(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2378 ngx_str_t **params)
|
|
|
2379 {
|
|
|
2380 ngx_str_t *value;
|
|
|
2381
|
|
|
2382 value = params[NGX_HTTP_SSI_CONFIG_TIMEFMT];
|
|
|
2383
|
|
|
2384 if (value) {
|
|
138
|
2385 ctx->timefmt.len = value->len;
|
|
382
|
2386 ctx->timefmt.data = ngx_pnalloc(r->pool, value->len + 1);
|
|
138
|
2387 if (ctx->timefmt.data == NULL) {
|
|
|
2388 return NGX_HTTP_SSI_ERROR;
|
|
|
2389 }
|
|
|
2390
|
|
|
2391 ngx_cpystrn(ctx->timefmt.data, value->data, value->len + 1);
|
|
58
|
2392 }
|
|
|
2393
|
|
96
|
2394 value = params[NGX_HTTP_SSI_CONFIG_ERRMSG];
|
|
|
2395
|
|
|
2396 if (value) {
|
|
|
2397 ctx->errmsg = *value;
|
|
|
2398 }
|
|
|
2399
|
|
58
|
2400 return NGX_OK;
|
|
|
2401 }
|
|
|
2402
|
|
|
2403
|
|
|
2404 static ngx_int_t
|
|
102
|
2405 ngx_http_ssi_set(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
58
|
2406 ngx_str_t **params)
|
|
|
2407 {
|
|
248
|
2408 ngx_int_t key, rc;
|
|
102
|
2409 ngx_str_t *name, *value, *vv;
|
|
|
2410 ngx_http_ssi_var_t *var;
|
|
|
2411 ngx_http_ssi_ctx_t *mctx;
|
|
|
2412
|
|
|
2413 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
2414
|
|
216
|
2415 if (mctx->variables == NULL) {
|
|
248
|
2416 mctx->variables = ngx_list_create(r->pool, 4,
|
|
|
2417 sizeof(ngx_http_ssi_var_t));
|
|
216
|
2418 if (mctx->variables == NULL) {
|
|
248
|
2419 return NGX_ERROR;
|
|
58
|
2420 }
|
|
|
2421 }
|
|
|
2422
|
|
102
|
2423 name = params[NGX_HTTP_SSI_SET_VAR];
|
|
|
2424 value = params[NGX_HTTP_SSI_SET_VALUE];
|
|
|
2425
|
|
192
|
2426 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2427 "ssi set \"%V\" \"%V\"", name, value);
|
|
|
2428
|
|
248
|
2429 rc = ngx_http_ssi_evaluate_string(r, ctx, value, 0);
|
|
|
2430
|
|
|
2431 if (rc != NGX_OK) {
|
|
|
2432 return rc;
|
|
58
|
2433 }
|
|
|
2434
|
|
392
|
2435 key = ngx_hash_strlow(name->data, name->data, name->len);
|
|
160
|
2436
|
|
|
2437 vv = ngx_http_ssi_get_variable(r, name, key);
|
|
102
|
2438
|
|
|
2439 if (vv) {
|
|
|
2440 *vv = *value;
|
|
|
2441 return NGX_OK;
|
|
|
2442 }
|
|
|
2443
|
|
248
|
2444 var = ngx_list_push(mctx->variables);
|
|
102
|
2445 if (var == NULL) {
|
|
248
|
2446 return NGX_ERROR;
|
|
102
|
2447 }
|
|
|
2448
|
|
|
2449 var->name = *name;
|
|
160
|
2450 var->key = key;
|
|
102
|
2451 var->value = *value;
|
|
|
2452
|
|
|
2453 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2454 "set: \"%V\"=\"%V\"", name, value);
|
|
|
2455
|
|
58
|
2456 return NGX_OK;
|
|
|
2457 }
|
|
|
2458
|
|
|
2459
|
|
|
2460 static ngx_int_t
|
|
|
2461 ngx_http_ssi_if(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2462 ngx_str_t **params)
|
|
|
2463 {
|
|
102
|
2464 u_char *p, *last;
|
|
|
2465 ngx_str_t *expr, left, right;
|
|
|
2466 ngx_int_t rc;
|
|
178
|
2467 ngx_uint_t negative, noregex, flags;
|
|
58
|
2468
|
|
178
|
2469 if (ctx->command.len == 2) {
|
|
|
2470 if (ctx->conditional) {
|
|
|
2471 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2472 "the \"if\" command inside the \"if\" command");
|
|
|
2473 return NGX_HTTP_SSI_ERROR;
|
|
|
2474 }
|
|
|
2475 }
|
|
|
2476
|
|
|
2477 if (ctx->output_chosen) {
|
|
|
2478 ctx->output = 0;
|
|
|
2479 return NGX_OK;
|
|
|
2480 }
|
|
|
2481
|
|
58
|
2482 expr = params[NGX_HTTP_SSI_IF_EXPR];
|
|
|
2483
|
|
192
|
2484 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2485 "ssi if expr=\"%V\"", expr);
|
|
|
2486
|
|
102
|
2487 left.data = expr->data;
|
|
100
|
2488 last = expr->data + expr->len;
|
|
|
2489
|
|
102
|
2490 for (p = left.data; p < last; p++) {
|
|
100
|
2491 if (*p >= 'A' && *p <= 'Z') {
|
|
|
2492 *p |= 0x20;
|
|
|
2493 continue;
|
|
|
2494 }
|
|
58
|
2495
|
|
102
|
2496 if ((*p >= 'a' && *p <= 'z')
|
|
|
2497 || (*p >= '0' && *p <= '9')
|
|
122
|
2498 || *p == '$' || *p == '{' || *p == '}' || *p == '_'
|
|
|
2499 || *p == '"' || *p == '\'')
|
|
102
|
2500 {
|
|
100
|
2501 continue;
|
|
|
2502 }
|
|
|
2503
|
|
|
2504 break;
|
|
|
2505 }
|
|
|
2506
|
|
102
|
2507 left.len = p - left.data;
|
|
100
|
2508
|
|
|
2509 while (p < last && *p == ' ') {
|
|
|
2510 p++;
|
|
58
|
2511 }
|
|
|
2512
|
|
568
|
2513 flags = 0;
|
|
184
|
2514
|
|
102
|
2515 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2516 "left: \"%V\"", &left);
|
|
|
2517
|
|
248
|
2518 rc = ngx_http_ssi_evaluate_string(r, ctx, &left, flags);
|
|
|
2519
|
|
|
2520 if (rc != NGX_OK) {
|
|
|
2521 return rc;
|
|
58
|
2522 }
|
|
|
2523
|
|
102
|
2524 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2525 "evaluted left: \"%V\"", &left);
|
|
|
2526
|
|
100
|
2527 if (p == last) {
|
|
102
|
2528 if (left.len) {
|
|
100
|
2529 ctx->output = 1;
|
|
178
|
2530 ctx->output_chosen = 1;
|
|
100
|
2531
|
|
|
2532 } else {
|
|
|
2533 ctx->output = 0;
|
|
|
2534 }
|
|
|
2535
|
|
178
|
2536 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
2537
|
|
100
|
2538 return NGX_OK;
|
|
|
2539 }
|
|
|
2540
|
|
|
2541 if (p < last && *p == '=') {
|
|
|
2542 negative = 0;
|
|
|
2543 p++;
|
|
|
2544
|
|
|
2545 } else if (p + 1 < last && *p == '!' && *(p + 1) == '=') {
|
|
|
2546 negative = 1;
|
|
|
2547 p += 2;
|
|
|
2548
|
|
|
2549 } else {
|
|
|
2550 goto invalid_expression;
|
|
|
2551 }
|
|
|
2552
|
|
|
2553 while (p < last && *p == ' ') {
|
|
|
2554 p++;
|
|
|
2555 }
|
|
|
2556
|
|
300
|
2557 if (p < last - 1 && *p == '/') {
|
|
100
|
2558 if (*(last - 1) != '/') {
|
|
|
2559 goto invalid_expression;
|
|
|
2560 }
|
|
|
2561
|
|
|
2562 noregex = 0;
|
|
178
|
2563 flags = NGX_HTTP_SSI_ADD_ZERO;
|
|
100
|
2564 last--;
|
|
274
|
2565 p++;
|
|
100
|
2566
|
|
|
2567 } else {
|
|
|
2568 noregex = 1;
|
|
178
|
2569 flags = 0;
|
|
|
2570
|
|
|
2571 if (p < last - 1 && p[0] == '\\' && p[1] == '/') {
|
|
200
|
2572 p++;
|
|
178
|
2573 }
|
|
100
|
2574 }
|
|
|
2575
|
|
|
2576 right.len = last - p;
|
|
|
2577 right.data = p;
|
|
|
2578
|
|
102
|
2579 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2580 "right: \"%V\"", &right);
|
|
|
2581
|
|
248
|
2582 rc = ngx_http_ssi_evaluate_string(r, ctx, &right, flags);
|
|
|
2583
|
|
|
2584 if (rc != NGX_OK) {
|
|
|
2585 return rc;
|
|
100
|
2586 }
|
|
|
2587
|
|
102
|
2588 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2589 "evaluted right: \"%V\"", &right);
|
|
100
|
2590
|
|
|
2591 if (noregex) {
|
|
|
2592 if (left.len != right.len) {
|
|
|
2593 rc = -1;
|
|
|
2594
|
|
|
2595 } else {
|
|
|
2596 rc = ngx_strncmp(left.data, right.data, right.len);
|
|
|
2597 }
|
|
|
2598
|
|
|
2599 } else {
|
|
|
2600 right.data[right.len] = '\0';
|
|
|
2601
|
|
656
|
2602 rc = ngx_http_ssi_regex_match(r, &right, &left);
|
|
|
2603
|
|
|
2604 if (rc == NGX_OK) {
|
|
|
2605 rc = 0;
|
|
|
2606 } else if (rc == NGX_DECLINED) {
|
|
|
2607 rc = -1;
|
|
|
2608 } else {
|
|
|
2609 return rc;
|
|
100
|
2610 }
|
|
|
2611 }
|
|
|
2612
|
|
|
2613 if ((rc == 0 && !negative) || (rc != 0 && negative)) {
|
|
58
|
2614 ctx->output = 1;
|
|
178
|
2615 ctx->output_chosen = 1;
|
|
58
|
2616
|
|
|
2617 } else {
|
|
|
2618 ctx->output = 0;
|
|
|
2619 }
|
|
|
2620
|
|
178
|
2621 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
2622
|
|
58
|
2623 return NGX_OK;
|
|
100
|
2624
|
|
|
2625 invalid_expression:
|
|
|
2626
|
|
|
2627 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2628 "invalid expression in \"%V\"", expr);
|
|
|
2629
|
|
|
2630 return NGX_HTTP_SSI_ERROR;
|
|
58
|
2631 }
|
|
|
2632
|
|
|
2633
|
|
|
2634 static ngx_int_t
|
|
|
2635 ngx_http_ssi_else(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2636 ngx_str_t **params)
|
|
|
2637 {
|
|
192
|
2638 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2639 "ssi else");
|
|
|
2640
|
|
178
|
2641 if (ctx->output_chosen) {
|
|
|
2642 ctx->output = 0;
|
|
|
2643 } else {
|
|
|
2644 ctx->output = 1;
|
|
|
2645 }
|
|
|
2646
|
|
|
2647 ctx->conditional = NGX_HTTP_SSI_COND_ELSE;
|
|
58
|
2648
|
|
|
2649 return NGX_OK;
|
|
|
2650 }
|
|
|
2651
|
|
|
2652
|
|
|
2653 static ngx_int_t
|
|
|
2654 ngx_http_ssi_endif(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2655 ngx_str_t **params)
|
|
|
2656 {
|
|
192
|
2657 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2658 "ssi endif");
|
|
|
2659
|
|
58
|
2660 ctx->output = 1;
|
|
178
|
2661 ctx->output_chosen = 0;
|
|
|
2662 ctx->conditional = 0;
|
|
58
|
2663
|
|
|
2664 return NGX_OK;
|
|
|
2665 }
|
|
|
2666
|
|
|
2667
|
|
122
|
2668 static ngx_int_t
|
|
216
|
2669 ngx_http_ssi_block(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2670 ngx_str_t **params)
|
|
|
2671 {
|
|
|
2672 ngx_http_ssi_ctx_t *mctx;
|
|
|
2673 ngx_http_ssi_block_t *bl;
|
|
|
2674
|
|
|
2675 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2676 "ssi block");
|
|
|
2677
|
|
|
2678 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
2679
|
|
|
2680 if (mctx->blocks == NULL) {
|
|
|
2681 mctx->blocks = ngx_array_create(r->pool, 4,
|
|
|
2682 sizeof(ngx_http_ssi_block_t));
|
|
|
2683 if (mctx->blocks == NULL) {
|
|
|
2684 return NGX_HTTP_SSI_ERROR;
|
|
|
2685 }
|
|
|
2686 }
|
|
|
2687
|
|
|
2688 bl = ngx_array_push(mctx->blocks);
|
|
|
2689 if (bl == NULL) {
|
|
|
2690 return NGX_HTTP_SSI_ERROR;
|
|
|
2691 }
|
|
|
2692
|
|
|
2693 bl->name = *params[NGX_HTTP_SSI_BLOCK_NAME];
|
|
|
2694 bl->bufs = NULL;
|
|
|
2695 bl->count = 0;
|
|
|
2696
|
|
|
2697 ctx->output = 0;
|
|
|
2698 ctx->block = 1;
|
|
|
2699
|
|
|
2700 return NGX_OK;
|
|
|
2701 }
|
|
|
2702
|
|
|
2703
|
|
|
2704 static ngx_int_t
|
|
|
2705 ngx_http_ssi_endblock(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2706 ngx_str_t **params)
|
|
|
2707 {
|
|
|
2708 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2709 "ssi endblock");
|
|
|
2710
|
|
|
2711 ctx->output = 1;
|
|
|
2712 ctx->block = 0;
|
|
|
2713
|
|
|
2714 return NGX_OK;
|
|
|
2715 }
|
|
|
2716
|
|
|
2717
|
|
|
2718 static ngx_int_t
|
|
122
|
2719 ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
|
|
380
|
2720 ngx_http_variable_value_t *v, uintptr_t gmt)
|
|
58
|
2721 {
|
|
122
|
2722 ngx_http_ssi_ctx_t *ctx;
|
|
|
2723 ngx_time_t *tp;
|
|
|
2724 struct tm tm;
|
|
|
2725 char buf[NGX_HTTP_SSI_DATE_LEN];
|
|
|
2726
|
|
126
|
2727 v->valid = 1;
|
|
340
|
2728 v->no_cacheable = 0;
|
|
122
|
2729 v->not_found = 0;
|
|
58
|
2730
|
|
112
|
2731 tp = ngx_timeofday();
|
|
|
2732
|
|
58
|
2733 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
2734
|
|
340
|
2735 if (ctx == NULL
|
|
|
2736 || (ctx->timefmt.len == sizeof("%s") - 1
|
|
|
2737 && ctx->timefmt.data[0] == '%' && ctx->timefmt.data[1] == 's'))
|
|
58
|
2738 {
|
|
382
|
2739 v->data = ngx_pnalloc(r->pool, NGX_TIME_T_LEN);
|
|
122
|
2740 if (v->data == NULL) {
|
|
|
2741 return NGX_ERROR;
|
|
58
|
2742 }
|
|
|
2743
|
|
564
|
2744 v->len = ngx_sprintf(v->data, "%T", tp->sec) - v->data;
|
|
206
|
2745
|
|
122
|
2746 return NGX_OK;
|
|
58
|
2747 }
|
|
|
2748
|
|
|
2749 if (gmt) {
|
|
112
|
2750 ngx_libc_gmtime(tp->sec, &tm);
|
|
58
|
2751 } else {
|
|
112
|
2752 ngx_libc_localtime(tp->sec, &tm);
|
|
58
|
2753 }
|
|
|
2754
|
|
122
|
2755 v->len = strftime(buf, NGX_HTTP_SSI_DATE_LEN,
|
|
|
2756 (char *) ctx->timefmt.data, &tm);
|
|
|
2757 if (v->len == 0) {
|
|
|
2758 return NGX_ERROR;
|
|
58
|
2759 }
|
|
|
2760
|
|
382
|
2761 v->data = ngx_pnalloc(r->pool, v->len);
|
|
122
|
2762 if (v->data == NULL) {
|
|
|
2763 return NGX_ERROR;
|
|
58
|
2764 }
|
|
|
2765
|
|
122
|
2766 ngx_memcpy(v->data, buf, v->len);
|
|
|
2767
|
|
|
2768 return NGX_OK;
|
|
58
|
2769 }
|
|
|
2770
|
|
|
2771
|
|
|
2772 static ngx_int_t
|
|
146
|
2773 ngx_http_ssi_preconfiguration(ngx_conf_t *cf)
|
|
58
|
2774 {
|
|
146
|
2775 ngx_int_t rc;
|
|
|
2776 ngx_http_variable_t *var, *v;
|
|
|
2777 ngx_http_ssi_command_t *cmd;
|
|
|
2778 ngx_http_ssi_main_conf_t *smcf;
|
|
58
|
2779
|
|
|
2780 for (v = ngx_http_ssi_vars; v->name.len; v++) {
|
|
|
2781 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
2782 if (var == NULL) {
|
|
|
2783 return NGX_ERROR;
|
|
|
2784 }
|
|
|
2785
|
|
186
|
2786 var->get_handler = v->get_handler;
|
|
58
|
2787 var->data = v->data;
|
|
|
2788 }
|
|
|
2789
|
|
146
|
2790 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
2791
|
|
|
2792 for (cmd = ngx_http_ssi_commands; cmd->name.len; cmd++) {
|
|
|
2793 rc = ngx_hash_add_key(&smcf->commands, &cmd->name, cmd,
|
|
|
2794 NGX_HASH_READONLY_KEY);
|
|
|
2795
|
|
|
2796 if (rc == NGX_OK) {
|
|
|
2797 continue;
|
|
|
2798 }
|
|
|
2799
|
|
|
2800 if (rc == NGX_BUSY) {
|
|
|
2801 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2802 "conflicting SSI command \"%V\"", &cmd->name);
|
|
|
2803 }
|
|
|
2804
|
|
|
2805 return NGX_ERROR;
|
|
|
2806 }
|
|
|
2807
|
|
126
|
2808 return NGX_OK;
|
|
58
|
2809 }
|
|
|
2810
|
|
|
2811
|
|
46
|
2812 static void *
|
|
146
|
2813 ngx_http_ssi_create_main_conf(ngx_conf_t *cf)
|
|
|
2814 {
|
|
|
2815 ngx_http_ssi_main_conf_t *smcf;
|
|
|
2816
|
|
|
2817 smcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_main_conf_t));
|
|
|
2818 if (smcf == NULL) {
|
|
496
|
2819 return NULL;
|
|
146
|
2820 }
|
|
|
2821
|
|
|
2822 smcf->commands.pool = cf->pool;
|
|
|
2823 smcf->commands.temp_pool = cf->temp_pool;
|
|
|
2824
|
|
|
2825 if (ngx_hash_keys_array_init(&smcf->commands, NGX_HASH_SMALL) != NGX_OK) {
|
|
496
|
2826 return NULL;
|
|
146
|
2827 }
|
|
|
2828
|
|
|
2829 return smcf;
|
|
|
2830 }
|
|
|
2831
|
|
|
2832
|
|
|
2833 static char *
|
|
|
2834 ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
2835 {
|
|
|
2836 ngx_http_ssi_main_conf_t *smcf = conf;
|
|
|
2837
|
|
|
2838 ngx_hash_init_t hash;
|
|
|
2839
|
|
|
2840 hash.hash = &smcf->hash;
|
|
|
2841 hash.key = ngx_hash_key;
|
|
|
2842 hash.max_size = 1024;
|
|
|
2843 hash.bucket_size = ngx_cacheline_size;
|
|
|
2844 hash.name = "ssi_command_hash";
|
|
|
2845 hash.pool = cf->pool;
|
|
|
2846 hash.temp_pool = NULL;
|
|
|
2847
|
|
|
2848 if (ngx_hash_init(&hash, smcf->commands.keys.elts,
|
|
|
2849 smcf->commands.keys.nelts)
|
|
|
2850 != NGX_OK)
|
|
|
2851 {
|
|
|
2852 return NGX_CONF_ERROR;
|
|
|
2853 }
|
|
|
2854
|
|
|
2855 return NGX_CONF_OK;
|
|
|
2856 }
|
|
|
2857
|
|
|
2858
|
|
|
2859 static void *
|
|
296
|
2860 ngx_http_ssi_create_loc_conf(ngx_conf_t *cf)
|
|
46
|
2861 {
|
|
146
|
2862 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
2863
|
|
|
2864 slcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_loc_conf_t));
|
|
|
2865 if (slcf == NULL) {
|
|
496
|
2866 return NULL;
|
|
46
|
2867 }
|
|
|
2868
|
|
76
|
2869 /*
|
|
|
2870 * set by ngx_pcalloc():
|
|
|
2871 *
|
|
394
|
2872 * conf->types = { NULL };
|
|
|
2873 * conf->types_keys = NULL;
|
|
76
|
2874 */
|
|
|
2875
|
|
146
|
2876 slcf->enable = NGX_CONF_UNSET;
|
|
|
2877 slcf->silent_errors = NGX_CONF_UNSET;
|
|
|
2878 slcf->ignore_recycled_buffers = NGX_CONF_UNSET;
|
|
|
2879
|
|
|
2880 slcf->min_file_chunk = NGX_CONF_UNSET_SIZE;
|
|
|
2881 slcf->value_len = NGX_CONF_UNSET_SIZE;
|
|
|
2882
|
|
|
2883 return slcf;
|
|
46
|
2884 }
|
|
|
2885
|
|
|
2886
|
|
|
2887 static char *
|
|
296
|
2888 ngx_http_ssi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
46
|
2889 {
|
|
146
|
2890 ngx_http_ssi_loc_conf_t *prev = parent;
|
|
|
2891 ngx_http_ssi_loc_conf_t *conf = child;
|
|
46
|
2892
|
|
|
2893 ngx_conf_merge_value(conf->enable, prev->enable, 0);
|
|
|
2894 ngx_conf_merge_value(conf->silent_errors, prev->silent_errors, 0);
|
|
58
|
2895 ngx_conf_merge_value(conf->ignore_recycled_buffers,
|
|
|
2896 prev->ignore_recycled_buffers, 0);
|
|
46
|
2897
|
|
|
2898 ngx_conf_merge_size_value(conf->min_file_chunk, prev->min_file_chunk, 1024);
|
|
666
|
2899 ngx_conf_merge_size_value(conf->value_len, prev->value_len, 255);
|
|
46
|
2900
|
|
554
|
2901 if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types,
|
|
|
2902 &prev->types_keys, &prev->types,
|
|
394
|
2903 ngx_http_html_default_types)
|
|
|
2904 != NGX_OK)
|
|
|
2905 {
|
|
|
2906 return NGX_CONF_ERROR;
|
|
76
|
2907 }
|
|
|
2908
|
|
46
|
2909 return NGX_CONF_OK;
|
|
|
2910 }
|
|
|
2911
|
|
|
2912
|
|
|
2913 static ngx_int_t
|
|
230
|
2914 ngx_http_ssi_filter_init(ngx_conf_t *cf)
|
|
46
|
2915 {
|
|
|
2916 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
|
2917 ngx_http_top_header_filter = ngx_http_ssi_header_filter;
|
|
|
2918
|
|
|
2919 ngx_http_next_body_filter = ngx_http_top_body_filter;
|
|
|
2920 ngx_http_top_body_filter = ngx_http_ssi_body_filter;
|
|
|
2921
|
|
|
2922 return NGX_OK;
|
|
|
2923 }
|
