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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);
|
|
680
|
364 ngx_http_clear_etag(r);
|
|
58
|
365 }
|
|
|
366
|
|
46
|
367 return ngx_http_next_header_filter(r);
|
|
|
368 }
|
|
|
369
|
|
|
370
|
|
|
371 static ngx_int_t
|
|
|
372 ngx_http_ssi_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
|
|
|
373 {
|
|
216
|
374 size_t len;
|
|
146
|
375 ngx_int_t rc;
|
|
|
376 ngx_buf_t *b;
|
|
|
377 ngx_uint_t i, index;
|
|
216
|
378 ngx_chain_t *cl, **ll;
|
|
146
|
379 ngx_table_elt_t *param;
|
|
216
|
380 ngx_http_ssi_ctx_t *ctx, *mctx;
|
|
|
381 ngx_http_ssi_block_t *bl;
|
|
146
|
382 ngx_http_ssi_param_t *prm;
|
|
|
383 ngx_http_ssi_command_t *cmd;
|
|
|
384 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
385 ngx_http_ssi_main_conf_t *smcf;
|
|
148
|
386 ngx_str_t *params[NGX_HTTP_SSI_MAX_PARAMS + 1];
|
|
46
|
387
|
|
|
388 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
389
|
|
194
|
390 if (ctx == NULL
|
|
|
391 || (in == NULL
|
|
|
392 && ctx->buf == NULL
|
|
|
393 && ctx->in == NULL
|
|
|
394 && ctx->busy == NULL))
|
|
|
395 {
|
|
46
|
396 return ngx_http_next_body_filter(r, in);
|
|
|
397 }
|
|
|
398
|
|
|
399 /* add the incoming chain to the chain ctx->in */
|
|
|
400
|
|
|
401 if (in) {
|
|
454
|
402 if (ngx_chain_add_copy(r->pool, &ctx->in, in) != NGX_OK) {
|
|
46
|
403 return NGX_ERROR;
|
|
|
404 }
|
|
|
405 }
|
|
|
406
|
|
426
|
407 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
408 "http ssi filter \"%V?%V\"", &r->uri, &r->args);
|
|
|
409
|
|
194
|
410 if (ctx->wait) {
|
|
426
|
411
|
|
|
412 if (r != r->connection->data) {
|
|
|
413 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
414 "http ssi filter wait \"%V?%V\" non-active",
|
|
|
415 &ctx->wait->uri, &ctx->wait->args);
|
|
|
416
|
|
194
|
417 return NGX_AGAIN;
|
|
|
418 }
|
|
|
419
|
|
426
|
420 if (ctx->wait->done) {
|
|
|
421 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
422 "http ssi filter wait \"%V?%V\" done",
|
|
|
423 &ctx->wait->uri, &ctx->wait->args);
|
|
|
424
|
|
244
|
425 ctx->wait = NULL;
|
|
426
|
426
|
|
|
427 } else {
|
|
|
428 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
429 "http ssi filter wait \"%V?%V\"",
|
|
|
430 &ctx->wait->uri, &ctx->wait->args);
|
|
|
431
|
|
|
432 return ngx_http_next_body_filter(r, NULL);
|
|
244
|
433 }
|
|
194
|
434 }
|
|
|
435
|
|
146
|
436 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
46
|
437
|
|
48
|
438 while (ctx->in || ctx->buf) {
|
|
46
|
439
|
|
582
|
440 if (ctx->buf == NULL) {
|
|
48
|
441 ctx->buf = ctx->in->buf;
|
|
|
442 ctx->in = ctx->in->next;
|
|
|
443 ctx->pos = ctx->buf->pos;
|
|
|
444 }
|
|
46
|
445
|
|
|
446 if (ctx->state == ssi_start_state) {
|
|
|
447 ctx->copy_start = ctx->pos;
|
|
|
448 ctx->copy_end = ctx->pos;
|
|
|
449 }
|
|
|
450
|
|
48
|
451 b = NULL;
|
|
|
452
|
|
46
|
453 while (ctx->pos < ctx->buf->last) {
|
|
|
454
|
|
|
455 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
456 "saved: %d state: %d", ctx->saved, ctx->state);
|
|
|
457
|
|
|
458 rc = ngx_http_ssi_parse(r, ctx);
|
|
|
459
|
|
|
460 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
461 "parse: %d, looked: %d %p-%p",
|
|
|
462 rc, ctx->looked, ctx->copy_start, ctx->copy_end);
|
|
|
463
|
|
|
464 if (rc == NGX_ERROR) {
|
|
|
465 return rc;
|
|
|
466 }
|
|
|
467
|
|
|
468 if (ctx->copy_start != ctx->copy_end) {
|
|
|
469
|
|
58
|
470 if (ctx->output) {
|
|
|
471
|
|
|
472 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
473 "saved: %d", ctx->saved);
|
|
|
474
|
|
|
475 if (ctx->saved) {
|
|
|
476
|
|
|
477 if (ctx->free) {
|
|
|
478 cl = ctx->free;
|
|
|
479 ctx->free = ctx->free->next;
|
|
|
480 b = cl->buf;
|
|
|
481 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
46
|
482
|
|
58
|
483 } else {
|
|
|
484 b = ngx_calloc_buf(r->pool);
|
|
|
485 if (b == NULL) {
|
|
|
486 return NGX_ERROR;
|
|
|
487 }
|
|
|
488
|
|
|
489 cl = ngx_alloc_chain_link(r->pool);
|
|
|
490 if (cl == NULL) {
|
|
|
491 return NGX_ERROR;
|
|
|
492 }
|
|
|
493
|
|
|
494 cl->buf = b;
|
|
|
495 }
|
|
|
496
|
|
|
497 b->memory = 1;
|
|
|
498 b->pos = ngx_http_ssi_string;
|
|
|
499 b->last = ngx_http_ssi_string + ctx->saved;
|
|
|
500
|
|
|
501 *ctx->last_out = cl;
|
|
|
502 ctx->last_out = &cl->next;
|
|
|
503
|
|
|
504 ctx->saved = 0;
|
|
|
505 }
|
|
48
|
506
|
|
|
507 if (ctx->free) {
|
|
|
508 cl = ctx->free;
|
|
|
509 ctx->free = ctx->free->next;
|
|
|
510 b = cl->buf;
|
|
|
511
|
|
|
512 } else {
|
|
58
|
513 b = ngx_alloc_buf(r->pool);
|
|
48
|
514 if (b == NULL) {
|
|
|
515 return NGX_ERROR;
|
|
|
516 }
|
|
|
517
|
|
|
518 cl = ngx_alloc_chain_link(r->pool);
|
|
|
519 if (cl == NULL) {
|
|
|
520 return NGX_ERROR;
|
|
|
521 }
|
|
|
522
|
|
|
523 cl->buf = b;
|
|
46
|
524 }
|
|
|
525
|
|
58
|
526 ngx_memcpy(b, ctx->buf, sizeof(ngx_buf_t));
|
|
|
527
|
|
62
|
528 b->pos = ctx->copy_start;
|
|
|
529 b->last = ctx->copy_end;
|
|
|
530 b->shadow = NULL;
|
|
58
|
531 b->last_buf = 0;
|
|
|
532 b->recycled = 0;
|
|
46
|
533
|
|
58
|
534 if (b->in_file) {
|
|
146
|
535 if (slcf->min_file_chunk < (size_t) (b->last - b->pos))
|
|
58
|
536 {
|
|
386
|
537 b->file_last = b->file_pos
|
|
|
538 + (b->last - ctx->buf->pos);
|
|
|
539 b->file_pos += b->pos - ctx->buf->pos;
|
|
58
|
540
|
|
|
541 } else {
|
|
|
542 b->in_file = 0;
|
|
|
543 }
|
|
|
544 }
|
|
|
545
|
|
|
546 cl->next = NULL;
|
|
46
|
547 *ctx->last_out = cl;
|
|
|
548 ctx->last_out = &cl->next;
|
|
|
549
|
|
58
|
550 } else {
|
|
216
|
551 if (ctx->block
|
|
|
552 && ctx->saved + (ctx->copy_end - ctx->copy_start))
|
|
|
553 {
|
|
|
554 b = ngx_create_temp_buf(r->pool,
|
|
|
555 ctx->saved + (ctx->copy_end - ctx->copy_start));
|
|
|
556
|
|
|
557 if (b == NULL) {
|
|
|
558 return NGX_ERROR;
|
|
|
559 }
|
|
|
560
|
|
|
561 if (ctx->saved) {
|
|
|
562 b->last = ngx_cpymem(b->pos, ngx_http_ssi_string,
|
|
|
563 ctx->saved);
|
|
|
564 }
|
|
|
565
|
|
|
566 b->last = ngx_cpymem(b->last, ctx->copy_start,
|
|
|
567 ctx->copy_end - ctx->copy_start);
|
|
|
568
|
|
|
569 cl = ngx_alloc_chain_link(r->pool);
|
|
|
570 if (cl == NULL) {
|
|
|
571 return NGX_ERROR;
|
|
|
572 }
|
|
|
573
|
|
|
574 cl->buf = b;
|
|
|
575 cl->next = NULL;
|
|
|
576
|
|
|
577 b = NULL;
|
|
|
578
|
|
|
579 mctx = ngx_http_get_module_ctx(r->main,
|
|
|
580 ngx_http_ssi_filter_module);
|
|
|
581 bl = mctx->blocks->elts;
|
|
|
582 for (ll = &bl[mctx->blocks->nelts - 1].bufs;
|
|
|
583 *ll;
|
|
|
584 ll = &(*ll)->next)
|
|
|
585 {
|
|
|
586 /* void */
|
|
|
587 }
|
|
|
588
|
|
|
589 *ll = cl;
|
|
|
590 }
|
|
|
591
|
|
46
|
592 ctx->saved = 0;
|
|
|
593 }
|
|
|
594 }
|
|
|
595
|
|
|
596 if (ctx->state == ssi_start_state) {
|
|
|
597 ctx->copy_start = ctx->pos;
|
|
|
598 ctx->copy_end = ctx->pos;
|
|
|
599
|
|
|
600 } else {
|
|
|
601 ctx->copy_start = NULL;
|
|
|
602 ctx->copy_end = NULL;
|
|
|
603 }
|
|
|
604
|
|
|
605 if (rc == NGX_AGAIN) {
|
|
|
606 continue;
|
|
|
607 }
|
|
|
608
|
|
|
609
|
|
122
|
610 b = NULL;
|
|
|
611
|
|
46
|
612 if (rc == NGX_OK) {
|
|
|
613
|
|
146
|
614 smcf = ngx_http_get_module_main_conf(r,
|
|
|
615 ngx_http_ssi_filter_module);
|
|
|
616
|
|
|
617 cmd = ngx_hash_find(&smcf->hash, ctx->key, ctx->command.data,
|
|
|
618 ctx->command.len);
|
|
|
619
|
|
|
620 if (cmd == NULL) {
|
|
|
621 if (ctx->output) {
|
|
|
622 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
623 "invalid SSI command: \"%V\"",
|
|
|
624 &ctx->command);
|
|
|
625 goto ssi_error;
|
|
46
|
626 }
|
|
|
627
|
|
146
|
628 continue;
|
|
46
|
629 }
|
|
|
630
|
|
216
|
631 if (!ctx->output && !cmd->block) {
|
|
|
632
|
|
|
633 if (ctx->block) {
|
|
|
634
|
|
|
635 /* reconstruct the SSI command text */
|
|
|
636
|
|
|
637 len = 5 + ctx->command.len + 4;
|
|
|
638
|
|
|
639 param = ctx->params.elts;
|
|
|
640 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
641 len += 1 + param[i].key.len + 2
|
|
|
642 + param[i].value.len + 1;
|
|
|
643 }
|
|
|
644
|
|
|
645 b = ngx_create_temp_buf(r->pool, len);
|
|
|
646
|
|
|
647 if (b == NULL) {
|
|
|
648 return NGX_ERROR;
|
|
|
649 }
|
|
|
650
|
|
|
651 cl = ngx_alloc_chain_link(r->pool);
|
|
|
652 if (cl == NULL) {
|
|
|
653 return NGX_ERROR;
|
|
|
654 }
|
|
|
655
|
|
|
656 cl->buf = b;
|
|
|
657 cl->next = NULL;
|
|
|
658
|
|
|
659 *b->last++ = '<';
|
|
|
660 *b->last++ = '!';
|
|
|
661 *b->last++ = '-';
|
|
|
662 *b->last++ = '-';
|
|
|
663 *b->last++ = '#';
|
|
|
664
|
|
|
665 b->last = ngx_cpymem(b->last, ctx->command.data,
|
|
|
666 ctx->command.len);
|
|
|
667
|
|
|
668 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
669 *b->last++ = ' ';
|
|
|
670 b->last = ngx_cpymem(b->last, param[i].key.data,
|
|
|
671 param[i].key.len);
|
|
|
672 *b->last++ = '=';
|
|
|
673 *b->last++ = '"';
|
|
|
674 b->last = ngx_cpymem(b->last, param[i].value.data,
|
|
|
675 param[i].value.len);
|
|
|
676 *b->last++ = '"';
|
|
|
677 }
|
|
|
678
|
|
|
679 *b->last++ = ' ';
|
|
|
680 *b->last++ = '-';
|
|
|
681 *b->last++ = '-';
|
|
|
682 *b->last++ = '>';
|
|
|
683
|
|
|
684 mctx = ngx_http_get_module_ctx(r->main,
|
|
|
685 ngx_http_ssi_filter_module);
|
|
|
686 bl = mctx->blocks->elts;
|
|
|
687 for (ll = &bl[mctx->blocks->nelts - 1].bufs;
|
|
|
688 *ll;
|
|
|
689 ll = &(*ll)->next)
|
|
|
690 {
|
|
|
691 /* void */
|
|
|
692 }
|
|
|
693
|
|
|
694 *ll = cl;
|
|
|
695
|
|
|
696 b = NULL;
|
|
|
697
|
|
|
698 continue;
|
|
|
699 }
|
|
|
700
|
|
|
701 if (cmd->conditional == 0) {
|
|
|
702 continue;
|
|
|
703 }
|
|
58
|
704 }
|
|
|
705
|
|
656
|
706 if (cmd->conditional
|
|
|
707 && (ctx->conditional == 0
|
|
|
708 || ctx->conditional > cmd->conditional))
|
|
|
709 {
|
|
|
710 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
711 "invalid context of SSI command: \"%V\"",
|
|
|
712 &ctx->command);
|
|
|
713 goto ssi_error;
|
|
|
714 }
|
|
|
715
|
|
146
|
716 if (ctx->params.nelts > NGX_HTTP_SSI_MAX_PARAMS) {
|
|
|
717 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
670
|
718 "too many SSI command parameters: \"%V\"",
|
|
146
|
719 &ctx->command);
|
|
|
720 goto ssi_error;
|
|
|
721 }
|
|
|
722
|
|
46
|
723 ngx_memzero(params,
|
|
148
|
724 (NGX_HTTP_SSI_MAX_PARAMS + 1) * sizeof(ngx_str_t *));
|
|
46
|
725
|
|
|
726 param = ctx->params.elts;
|
|
|
727
|
|
|
728 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
729
|
|
|
730 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
731
|
|
|
732 if (param[i].key.len != prm->name.len
|
|
|
733 || ngx_strncmp(param[i].key.data, prm->name.data,
|
|
|
734 prm->name.len) != 0)
|
|
|
735 {
|
|
|
736 continue;
|
|
|
737 }
|
|
|
738
|
|
146
|
739 if (!prm->multiple) {
|
|
|
740 if (params[prm->index]) {
|
|
|
741 ngx_log_error(NGX_LOG_ERR,
|
|
|
742 r->connection->log, 0,
|
|
|
743 "duplicate \"%V\" parameter "
|
|
|
744 "in \"%V\" SSI command",
|
|
|
745 ¶m[i].key, &ctx->command);
|
|
|
746
|
|
|
747 goto ssi_error;
|
|
|
748 }
|
|
|
749
|
|
|
750 params[prm->index] = ¶m[i].value;
|
|
|
751
|
|
|
752 break;
|
|
46
|
753 }
|
|
|
754
|
|
146
|
755 for (index = prm->index; params[index]; index++) {
|
|
|
756 /* void */
|
|
|
757 }
|
|
|
758
|
|
|
759 params[index] = ¶m[i].value;
|
|
46
|
760
|
|
|
761 break;
|
|
|
762 }
|
|
|
763
|
|
|
764 if (prm->name.len == 0) {
|
|
|
765 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
766 "invalid parameter name: \"%V\" "
|
|
|
767 "in \"%V\" SSI command",
|
|
|
768 ¶m[i].key, &ctx->command);
|
|
|
769
|
|
|
770 goto ssi_error;
|
|
|
771 }
|
|
|
772 }
|
|
|
773
|
|
|
774 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
775 if (prm->mandatory && params[prm->index] == 0) {
|
|
|
776 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
777 "mandatory \"%V\" parameter is absent "
|
|
|
778 "in \"%V\" SSI command",
|
|
|
779 &prm->name, &ctx->command);
|
|
|
780
|
|
|
781 goto ssi_error;
|
|
|
782 }
|
|
|
783 }
|
|
|
784
|
|
426
|
785 if (cmd->flush && ctx->out) {
|
|
|
786
|
|
|
787 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
788 "ssi flush");
|
|
|
789
|
|
|
790 if (ngx_http_ssi_output(r, ctx) == NGX_ERROR) {
|
|
58
|
791 return NGX_ERROR;
|
|
|
792 }
|
|
|
793 }
|
|
|
794
|
|
118
|
795 rc = cmd->handler(r, ctx, params);
|
|
|
796
|
|
|
797 if (rc == NGX_OK) {
|
|
46
|
798 continue;
|
|
|
799 }
|
|
132
|
800
|
|
248
|
801 if (rc == NGX_DONE || rc == NGX_AGAIN || rc == NGX_ERROR) {
|
|
586
|
802 ngx_http_ssi_buffered(r, ctx);
|
|
248
|
803 return rc;
|
|
132
|
804 }
|
|
46
|
805 }
|
|
|
806
|
|
|
807
|
|
|
808 /* rc == NGX_HTTP_SSI_ERROR */
|
|
|
809
|
|
48
|
810 ssi_error:
|
|
46
|
811
|
|
146
|
812 if (slcf->silent_errors) {
|
|
46
|
813 continue;
|
|
|
814 }
|
|
|
815
|
|
48
|
816 if (ctx->free) {
|
|
|
817 cl = ctx->free;
|
|
|
818 ctx->free = ctx->free->next;
|
|
|
819 b = cl->buf;
|
|
|
820 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
821
|
|
|
822 } else {
|
|
|
823 b = ngx_calloc_buf(r->pool);
|
|
|
824 if (b == NULL) {
|
|
|
825 return NGX_ERROR;
|
|
|
826 }
|
|
|
827
|
|
|
828 cl = ngx_alloc_chain_link(r->pool);
|
|
|
829 if (cl == NULL) {
|
|
|
830 return NGX_ERROR;
|
|
|
831 }
|
|
|
832
|
|
|
833 cl->buf = b;
|
|
46
|
834 }
|
|
|
835
|
|
|
836 b->memory = 1;
|
|
96
|
837 b->pos = ctx->errmsg.data;
|
|
|
838 b->last = ctx->errmsg.data + ctx->errmsg.len;
|
|
46
|
839
|
|
|
840 cl->next = NULL;
|
|
|
841 *ctx->last_out = cl;
|
|
|
842 ctx->last_out = &cl->next;
|
|
|
843
|
|
|
844 continue;
|
|
|
845 }
|
|
|
846
|
|
236
|
847 if (ctx->buf->last_buf || ngx_buf_in_memory(ctx->buf)) {
|
|
48
|
848 if (b == NULL) {
|
|
|
849 if (ctx->free) {
|
|
|
850 cl = ctx->free;
|
|
|
851 ctx->free = ctx->free->next;
|
|
|
852 b = cl->buf;
|
|
|
853 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
854
|
|
|
855 } else {
|
|
|
856 b = ngx_calloc_buf(r->pool);
|
|
|
857 if (b == NULL) {
|
|
|
858 return NGX_ERROR;
|
|
|
859 }
|
|
46
|
860
|
|
48
|
861 cl = ngx_alloc_chain_link(r->pool);
|
|
|
862 if (cl == NULL) {
|
|
|
863 return NGX_ERROR;
|
|
|
864 }
|
|
|
865
|
|
|
866 cl->buf = b;
|
|
|
867 }
|
|
|
868
|
|
58
|
869 b->sync = 1;
|
|
|
870
|
|
48
|
871 cl->next = NULL;
|
|
|
872 *ctx->last_out = cl;
|
|
|
873 ctx->last_out = &cl->next;
|
|
|
874 }
|
|
|
875
|
|
|
876 b->last_buf = ctx->buf->last_buf;
|
|
|
877 b->shadow = ctx->buf;
|
|
58
|
878
|
|
146
|
879 if (slcf->ignore_recycled_buffers == 0) {
|
|
58
|
880 b->recycled = ctx->buf->recycled;
|
|
|
881 }
|
|
46
|
882 }
|
|
|
883
|
|
48
|
884 ctx->buf = NULL;
|
|
|
885
|
|
46
|
886 ctx->saved = ctx->looked;
|
|
|
887 }
|
|
|
888
|
|
48
|
889 if (ctx->out == NULL && ctx->busy == NULL) {
|
|
46
|
890 return NGX_OK;
|
|
|
891 }
|
|
|
892
|
|
58
|
893 return ngx_http_ssi_output(r, ctx);
|
|
|
894 }
|
|
|
895
|
|
|
896
|
|
|
897 static ngx_int_t
|
|
|
898 ngx_http_ssi_output(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
899 {
|
|
|
900 ngx_int_t rc;
|
|
|
901 ngx_buf_t *b;
|
|
|
902 ngx_chain_t *cl;
|
|
|
903
|
|
190
|
904 #if 1
|
|
|
905 b = NULL;
|
|
|
906 for (cl = ctx->out; cl; cl = cl->next) {
|
|
192
|
907 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
908 "ssi out: %p %p", cl->buf, cl->buf->pos);
|
|
190
|
909 if (cl->buf == b) {
|
|
|
910 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
911 "the same buf was used in ssi");
|
|
|
912 ngx_debug_point();
|
|
|
913 return NGX_ERROR;
|
|
|
914 }
|
|
|
915 b = cl->buf;
|
|
|
916 }
|
|
|
917 #endif
|
|
|
918
|
|
46
|
919 rc = ngx_http_next_body_filter(r, ctx->out);
|
|
|
920
|
|
48
|
921 if (ctx->busy == NULL) {
|
|
|
922 ctx->busy = ctx->out;
|
|
|
923
|
|
|
924 } else {
|
|
|
925 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ }
|
|
|
926 cl->next = ctx->out;
|
|
|
927 }
|
|
|
928
|
|
46
|
929 ctx->out = NULL;
|
|
|
930 ctx->last_out = &ctx->out;
|
|
|
931
|
|
48
|
932 while (ctx->busy) {
|
|
|
933
|
|
206
|
934 cl = ctx->busy;
|
|
|
935 b = cl->buf;
|
|
48
|
936
|
|
|
937 if (ngx_buf_size(b) != 0) {
|
|
|
938 break;
|
|
|
939 }
|
|
|
940
|
|
|
941 if (b->shadow) {
|
|
|
942 b->shadow->pos = b->shadow->last;
|
|
|
943 }
|
|
|
944
|
|
|
945 ctx->busy = cl->next;
|
|
194
|
946
|
|
|
947 if (ngx_buf_in_memory(b) || b->in_file) {
|
|
|
948 /* add data bufs only to the free buf chain */
|
|
|
949
|
|
|
950 cl->next = ctx->free;
|
|
|
951 ctx->free = cl;
|
|
|
952 }
|
|
48
|
953 }
|
|
|
954
|
|
586
|
955 ngx_http_ssi_buffered(r, ctx);
|
|
|
956
|
|
|
957 return rc;
|
|
|
958 }
|
|
|
959
|
|
|
960
|
|
|
961 static void
|
|
|
962 ngx_http_ssi_buffered(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
963 {
|
|
254
|
964 if (ctx->in || ctx->buf) {
|
|
|
965 r->buffered |= NGX_HTTP_SSI_BUFFERED;
|
|
|
966
|
|
|
967 } else {
|
|
|
968 r->buffered &= ~NGX_HTTP_SSI_BUFFERED;
|
|
|
969 }
|
|
46
|
970 }
|
|
|
971
|
|
|
972
|
|
|
973 static ngx_int_t
|
|
|
974 ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
975 {
|
|
158
|
976 u_char *p, *value, *last, *copy_end, ch;
|
|
46
|
977 size_t looked;
|
|
|
978 ngx_http_ssi_state_e state;
|
|
|
979
|
|
|
980 state = ctx->state;
|
|
|
981 looked = ctx->looked;
|
|
|
982 last = ctx->buf->last;
|
|
|
983 copy_end = ctx->copy_end;
|
|
|
984
|
|
|
985 for (p = ctx->pos; p < last; p++) {
|
|
|
986
|
|
|
987 ch = *p;
|
|
|
988
|
|
|
989 if (state == ssi_start_state) {
|
|
|
990
|
|
|
991 /* the tight loop */
|
|
|
992
|
|
48
|
993 for ( ;; ) {
|
|
|
994 if (ch == '<') {
|
|
|
995 copy_end = p;
|
|
|
996 looked = 1;
|
|
|
997 state = ssi_tag_state;
|
|
|
998
|
|
|
999 goto tag_started;
|
|
46
|
1000 }
|
|
|
1001
|
|
48
|
1002 if (++p == last) {
|
|
|
1003 break;
|
|
|
1004 }
|
|
46
|
1005
|
|
48
|
1006 ch = *p;
|
|
46
|
1007 }
|
|
|
1008
|
|
314
|
1009 ctx->state = state;
|
|
46
|
1010 ctx->pos = p;
|
|
|
1011 ctx->looked = looked;
|
|
|
1012 ctx->copy_end = p;
|
|
|
1013
|
|
|
1014 if (ctx->copy_start == NULL) {
|
|
|
1015 ctx->copy_start = ctx->buf->pos;
|
|
|
1016 }
|
|
|
1017
|
|
|
1018 return NGX_AGAIN;
|
|
|
1019
|
|
48
|
1020 tag_started:
|
|
|
1021
|
|
46
|
1022 continue;
|
|
|
1023 }
|
|
|
1024
|
|
|
1025 switch (state) {
|
|
|
1026
|
|
|
1027 case ssi_start_state:
|
|
684
|
1028 /* not reached */
|
|
46
|
1029 break;
|
|
|
1030
|
|
|
1031 case ssi_tag_state:
|
|
|
1032 switch (ch) {
|
|
|
1033 case '!':
|
|
|
1034 looked = 2;
|
|
|
1035 state = ssi_comment0_state;
|
|
|
1036 break;
|
|
|
1037
|
|
|
1038 case '<':
|
|
|
1039 copy_end = p;
|
|
|
1040 break;
|
|
|
1041
|
|
|
1042 default:
|
|
|
1043 copy_end = p;
|
|
|
1044 looked = 0;
|
|
|
1045 state = ssi_start_state;
|
|
|
1046 break;
|
|
|
1047 }
|
|
|
1048
|
|
|
1049 break;
|
|
|
1050
|
|
|
1051 case ssi_comment0_state:
|
|
|
1052 switch (ch) {
|
|
|
1053 case '-':
|
|
|
1054 looked = 3;
|
|
|
1055 state = ssi_comment1_state;
|
|
|
1056 break;
|
|
|
1057
|
|
|
1058 case '<':
|
|
|
1059 copy_end = p;
|
|
|
1060 looked = 1;
|
|
|
1061 state = ssi_tag_state;
|
|
|
1062 break;
|
|
|
1063
|
|
|
1064 default:
|
|
|
1065 copy_end = p;
|
|
|
1066 looked = 0;
|
|
|
1067 state = ssi_start_state;
|
|
|
1068 break;
|
|
|
1069 }
|
|
|
1070
|
|
|
1071 break;
|
|
|
1072
|
|
|
1073 case ssi_comment1_state:
|
|
|
1074 switch (ch) {
|
|
|
1075 case '-':
|
|
|
1076 looked = 4;
|
|
|
1077 state = ssi_sharp_state;
|
|
|
1078 break;
|
|
|
1079
|
|
|
1080 case '<':
|
|
|
1081 copy_end = p;
|
|
|
1082 looked = 1;
|
|
|
1083 state = ssi_tag_state;
|
|
|
1084 break;
|
|
|
1085
|
|
|
1086 default:
|
|
|
1087 copy_end = p;
|
|
|
1088 looked = 0;
|
|
|
1089 state = ssi_start_state;
|
|
|
1090 break;
|
|
|
1091 }
|
|
|
1092
|
|
|
1093 break;
|
|
|
1094
|
|
|
1095 case ssi_sharp_state:
|
|
|
1096 switch (ch) {
|
|
|
1097 case '#':
|
|
208
|
1098 if (p - ctx->pos < 4) {
|
|
|
1099 ctx->saved = 0;
|
|
|
1100 }
|
|
46
|
1101 looked = 0;
|
|
|
1102 state = ssi_precommand_state;
|
|
|
1103 break;
|
|
|
1104
|
|
|
1105 case '<':
|
|
|
1106 copy_end = p;
|
|
|
1107 looked = 1;
|
|
|
1108 state = ssi_tag_state;
|
|
|
1109 break;
|
|
|
1110
|
|
|
1111 default:
|
|
|
1112 copy_end = p;
|
|
|
1113 looked = 0;
|
|
|
1114 state = ssi_start_state;
|
|
|
1115 break;
|
|
|
1116 }
|
|
|
1117
|
|
|
1118 break;
|
|
|
1119
|
|
|
1120 case ssi_precommand_state:
|
|
|
1121 switch (ch) {
|
|
|
1122 case ' ':
|
|
|
1123 case CR:
|
|
|
1124 case LF:
|
|
|
1125 case '\t':
|
|
|
1126 break;
|
|
|
1127
|
|
|
1128 default:
|
|
|
1129 ctx->command.len = 1;
|
|
382
|
1130 ctx->command.data = ngx_pnalloc(r->pool,
|
|
|
1131 NGX_HTTP_SSI_COMMAND_LEN);
|
|
46
|
1132 if (ctx->command.data == NULL) {
|
|
|
1133 return NGX_ERROR;
|
|
|
1134 }
|
|
|
1135
|
|
|
1136 ctx->command.data[0] = ch;
|
|
158
|
1137
|
|
146
|
1138 ctx->key = 0;
|
|
|
1139 ctx->key = ngx_hash(ctx->key, ch);
|
|
|
1140
|
|
46
|
1141 ctx->params.nelts = 0;
|
|
178
|
1142
|
|
46
|
1143 state = ssi_command_state;
|
|
|
1144 break;
|
|
|
1145 }
|
|
|
1146
|
|
|
1147 break;
|
|
|
1148
|
|
|
1149 case ssi_command_state:
|
|
|
1150 switch (ch) {
|
|
|
1151 case ' ':
|
|
|
1152 case CR:
|
|
|
1153 case LF:
|
|
|
1154 case '\t':
|
|
|
1155 state = ssi_preparam_state;
|
|
|
1156 break;
|
|
|
1157
|
|
|
1158 case '-':
|
|
|
1159 state = ssi_comment_end0_state;
|
|
|
1160 break;
|
|
|
1161
|
|
|
1162 default:
|
|
|
1163 if (ctx->command.len == NGX_HTTP_SSI_COMMAND_LEN) {
|
|
|
1164 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1165 "the \"%V%c...\" SSI command is too long",
|
|
|
1166 &ctx->command, ch);
|
|
46
|
1167
|
|
|
1168 state = ssi_error_state;
|
|
|
1169 break;
|
|
|
1170 }
|
|
158
|
1171
|
|
|
1172 ctx->command.data[ctx->command.len++] = ch;
|
|
|
1173 ctx->key = ngx_hash(ctx->key, ch);
|
|
46
|
1174 }
|
|
|
1175
|
|
|
1176 break;
|
|
|
1177
|
|
|
1178 case ssi_preparam_state:
|
|
|
1179 switch (ch) {
|
|
|
1180 case ' ':
|
|
|
1181 case CR:
|
|
|
1182 case LF:
|
|
|
1183 case '\t':
|
|
|
1184 break;
|
|
|
1185
|
|
|
1186 case '-':
|
|
|
1187 state = ssi_comment_end0_state;
|
|
|
1188 break;
|
|
|
1189
|
|
|
1190 default:
|
|
48
|
1191 ctx->param = ngx_array_push(&ctx->params);
|
|
|
1192 if (ctx->param == NULL) {
|
|
46
|
1193 return NGX_ERROR;
|
|
|
1194 }
|
|
|
1195
|
|
|
1196 ctx->param->key.len = 1;
|
|
382
|
1197 ctx->param->key.data = ngx_pnalloc(r->pool,
|
|
|
1198 NGX_HTTP_SSI_PARAM_LEN);
|
|
46
|
1199 if (ctx->param->key.data == NULL) {
|
|
|
1200 return NGX_ERROR;
|
|
|
1201 }
|
|
|
1202
|
|
|
1203 ctx->param->key.data[0] = ch;
|
|
|
1204
|
|
|
1205 ctx->param->value.len = 0;
|
|
158
|
1206
|
|
|
1207 if (ctx->value_buf == NULL) {
|
|
382
|
1208 ctx->param->value.data = ngx_pnalloc(r->pool,
|
|
666
|
1209 ctx->value_len + 1);
|
|
158
|
1210 if (ctx->param->value.data == NULL) {
|
|
|
1211 return NGX_ERROR;
|
|
|
1212 }
|
|
|
1213
|
|
|
1214 } else {
|
|
|
1215 ctx->param->value.data = ctx->value_buf;
|
|
46
|
1216 }
|
|
|
1217
|
|
|
1218 state = ssi_param_state;
|
|
|
1219 break;
|
|
|
1220 }
|
|
|
1221
|
|
|
1222 break;
|
|
|
1223
|
|
|
1224 case ssi_param_state:
|
|
|
1225 switch (ch) {
|
|
|
1226 case ' ':
|
|
|
1227 case CR:
|
|
|
1228 case LF:
|
|
|
1229 case '\t':
|
|
|
1230 state = ssi_preequal_state;
|
|
|
1231 break;
|
|
|
1232
|
|
|
1233 case '=':
|
|
|
1234 state = ssi_prevalue_state;
|
|
|
1235 break;
|
|
|
1236
|
|
|
1237 case '-':
|
|
|
1238 state = ssi_error_end0_state;
|
|
|
1239
|
|
|
1240 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
|
1241 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1242 "invalid \"%V\" parameter in \"%V\" SSI command",
|
|
|
1243 &ctx->param->key, &ctx->command);
|
|
|
1244 break;
|
|
|
1245
|
|
|
1246 default:
|
|
|
1247 if (ctx->param->key.len == NGX_HTTP_SSI_PARAM_LEN) {
|
|
|
1248 state = ssi_error_state;
|
|
|
1249 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1250 "too long \"%V%c...\" parameter in "
|
|
46
|
1251 "\"%V\" SSI command",
|
|
158
|
1252 &ctx->param->key, ch, &ctx->command);
|
|
46
|
1253 break;
|
|
|
1254 }
|
|
158
|
1255
|
|
|
1256 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
46
|
1257 }
|
|
|
1258
|
|
|
1259 break;
|
|
|
1260
|
|
|
1261 case ssi_preequal_state:
|
|
|
1262 switch (ch) {
|
|
|
1263 case ' ':
|
|
|
1264 case CR:
|
|
|
1265 case LF:
|
|
|
1266 case '\t':
|
|
|
1267 break;
|
|
|
1268
|
|
|
1269 case '=':
|
|
|
1270 state = ssi_prevalue_state;
|
|
|
1271 break;
|
|
|
1272
|
|
|
1273 default:
|
|
|
1274 if (ch == '-') {
|
|
|
1275 state = ssi_error_end0_state;
|
|
|
1276 } else {
|
|
|
1277 state = ssi_error_state;
|
|
|
1278 }
|
|
|
1279
|
|
|
1280 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1281 "unexpected \"%c\" symbol after \"%V\" "
|
|
|
1282 "parameter in \"%V\" SSI command",
|
|
|
1283 ch, &ctx->param->key, &ctx->command);
|
|
|
1284 break;
|
|
|
1285 }
|
|
|
1286
|
|
|
1287 break;
|
|
|
1288
|
|
|
1289 case ssi_prevalue_state:
|
|
|
1290 switch (ch) {
|
|
|
1291 case ' ':
|
|
|
1292 case CR:
|
|
|
1293 case LF:
|
|
|
1294 case '\t':
|
|
|
1295 break;
|
|
|
1296
|
|
|
1297 case '"':
|
|
|
1298 state = ssi_double_quoted_value_state;
|
|
|
1299 break;
|
|
|
1300
|
|
|
1301 case '\'':
|
|
|
1302 state = ssi_quoted_value_state;
|
|
|
1303 break;
|
|
|
1304
|
|
|
1305 default:
|
|
|
1306 if (ch == '-') {
|
|
|
1307 state = ssi_error_end0_state;
|
|
|
1308 } else {
|
|
|
1309 state = ssi_error_state;
|
|
|
1310 }
|
|
|
1311
|
|
|
1312 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1313 "unexpected \"%c\" symbol before value of "
|
|
|
1314 "\"%V\" parameter in \"%V\" SSI command",
|
|
|
1315 ch, &ctx->param->key, &ctx->command);
|
|
|
1316 break;
|
|
|
1317 }
|
|
|
1318
|
|
|
1319 break;
|
|
|
1320
|
|
|
1321 case ssi_double_quoted_value_state:
|
|
|
1322 switch (ch) {
|
|
108
|
1323 case '"':
|
|
|
1324 state = ssi_postparam_state;
|
|
|
1325 break;
|
|
|
1326
|
|
46
|
1327 case '\\':
|
|
|
1328 ctx->saved_state = ssi_double_quoted_value_state;
|
|
|
1329 state = ssi_quoted_symbol_state;
|
|
108
|
1330
|
|
|
1331 /* fall through */
|
|
46
|
1332
|
|
|
1333 default:
|
|
|
1334 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1335 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1336 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1337 "parameter in \"%V\" SSI command",
|
|
|
1338 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1339 &ctx->command);
|
|
|
1340 state = ssi_error_state;
|
|
|
1341 break;
|
|
|
1342 }
|
|
158
|
1343
|
|
|
1344 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1345 }
|
|
|
1346
|
|
|
1347 break;
|
|
|
1348
|
|
|
1349 case ssi_quoted_value_state:
|
|
|
1350 switch (ch) {
|
|
108
|
1351 case '\'':
|
|
|
1352 state = ssi_postparam_state;
|
|
|
1353 break;
|
|
|
1354
|
|
46
|
1355 case '\\':
|
|
|
1356 ctx->saved_state = ssi_quoted_value_state;
|
|
|
1357 state = ssi_quoted_symbol_state;
|
|
108
|
1358
|
|
|
1359 /* fall through */
|
|
46
|
1360
|
|
|
1361 default:
|
|
|
1362 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1363 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1364 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1365 "parameter in \"%V\" SSI command",
|
|
|
1366 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1367 &ctx->command);
|
|
|
1368 state = ssi_error_state;
|
|
|
1369 break;
|
|
|
1370 }
|
|
158
|
1371
|
|
|
1372 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1373 }
|
|
|
1374
|
|
|
1375 break;
|
|
|
1376
|
|
|
1377 case ssi_quoted_symbol_state:
|
|
108
|
1378 state = ctx->saved_state;
|
|
|
1379
|
|
666
|
1380 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1381 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1382 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1383 "parameter in \"%V\" SSI command",
|
|
|
1384 &ctx->param->value, ch, &ctx->param->key,
|
|
|
1385 &ctx->command);
|
|
|
1386 state = ssi_error_state;
|
|
|
1387 break;
|
|
|
1388 }
|
|
|
1389
|
|
46
|
1390 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
|
1391
|
|
|
1392 break;
|
|
|
1393
|
|
|
1394 case ssi_postparam_state:
|
|
158
|
1395
|
|
200
|
1396 if (ctx->param->value.len + 1 < ctx->value_len / 2) {
|
|
382
|
1397 value = ngx_pnalloc(r->pool, ctx->param->value.len + 1);
|
|
158
|
1398 if (value == NULL) {
|
|
|
1399 return NGX_ERROR;
|
|
|
1400 }
|
|
|
1401
|
|
|
1402 ngx_memcpy(value, ctx->param->value.data,
|
|
|
1403 ctx->param->value.len);
|
|
|
1404
|
|
|
1405 ctx->value_buf = ctx->param->value.data;
|
|
|
1406 ctx->param->value.data = value;
|
|
|
1407
|
|
|
1408 } else {
|
|
|
1409 ctx->value_buf = NULL;
|
|
|
1410 }
|
|
|
1411
|
|
46
|
1412 switch (ch) {
|
|
|
1413 case ' ':
|
|
|
1414 case CR:
|
|
|
1415 case LF:
|
|
|
1416 case '\t':
|
|
|
1417 state = ssi_preparam_state;
|
|
|
1418 break;
|
|
|
1419
|
|
|
1420 case '-':
|
|
|
1421 state = ssi_comment_end0_state;
|
|
|
1422 break;
|
|
|
1423
|
|
|
1424 default:
|
|
|
1425 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1426 "unexpected \"%c\" symbol after \"%V\" value "
|
|
|
1427 "of \"%V\" parameter in \"%V\" SSI command",
|
|
|
1428 ch, &ctx->param->value, &ctx->param->key,
|
|
|
1429 &ctx->command);
|
|
|
1430 state = ssi_error_state;
|
|
|
1431 break;
|
|
|
1432 }
|
|
|
1433
|
|
|
1434 break;
|
|
|
1435
|
|
|
1436 case ssi_comment_end0_state:
|
|
|
1437 switch (ch) {
|
|
|
1438 case '-':
|
|
|
1439 state = ssi_comment_end1_state;
|
|
|
1440 break;
|
|
|
1441
|
|
|
1442 default:
|
|
|
1443 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1444 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1445 ch, &ctx->command);
|
|
|
1446 state = ssi_error_state;
|
|
|
1447 break;
|
|
|
1448 }
|
|
|
1449
|
|
|
1450 break;
|
|
|
1451
|
|
|
1452 case ssi_comment_end1_state:
|
|
|
1453 switch (ch) {
|
|
|
1454 case '>':
|
|
|
1455 ctx->state = ssi_start_state;
|
|
|
1456 ctx->pos = p + 1;
|
|
|
1457 ctx->looked = looked;
|
|
|
1458 ctx->copy_end = copy_end;
|
|
|
1459
|
|
|
1460 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1461 ctx->copy_start = ctx->buf->pos;
|
|
|
1462 }
|
|
|
1463
|
|
|
1464 return NGX_OK;
|
|
|
1465
|
|
|
1466 default:
|
|
|
1467 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1468 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1469 ch, &ctx->command);
|
|
|
1470 state = ssi_error_state;
|
|
|
1471 break;
|
|
|
1472 }
|
|
|
1473
|
|
|
1474 break;
|
|
|
1475
|
|
|
1476 case ssi_error_state:
|
|
|
1477 switch (ch) {
|
|
|
1478 case '-':
|
|
|
1479 state = ssi_error_end0_state;
|
|
|
1480 break;
|
|
|
1481
|
|
|
1482 default:
|
|
|
1483 break;
|
|
|
1484 }
|
|
|
1485
|
|
|
1486 break;
|
|
|
1487
|
|
|
1488 case ssi_error_end0_state:
|
|
|
1489 switch (ch) {
|
|
|
1490 case '-':
|
|
|
1491 state = ssi_error_end1_state;
|
|
|
1492 break;
|
|
|
1493
|
|
|
1494 default:
|
|
|
1495 state = ssi_error_state;
|
|
|
1496 break;
|
|
|
1497 }
|
|
|
1498
|
|
|
1499 break;
|
|
|
1500
|
|
|
1501 case ssi_error_end1_state:
|
|
|
1502 switch (ch) {
|
|
|
1503 case '>':
|
|
|
1504 ctx->state = ssi_start_state;
|
|
|
1505 ctx->pos = p + 1;
|
|
|
1506 ctx->looked = looked;
|
|
|
1507 ctx->copy_end = copy_end;
|
|
|
1508
|
|
|
1509 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1510 ctx->copy_start = ctx->buf->pos;
|
|
|
1511 }
|
|
|
1512
|
|
|
1513 return NGX_HTTP_SSI_ERROR;
|
|
|
1514
|
|
|
1515 default:
|
|
|
1516 state = ssi_error_state;
|
|
|
1517 break;
|
|
|
1518 }
|
|
|
1519
|
|
|
1520 break;
|
|
|
1521 }
|
|
|
1522 }
|
|
|
1523
|
|
|
1524 ctx->state = state;
|
|
|
1525 ctx->pos = p;
|
|
|
1526 ctx->looked = looked;
|
|
|
1527
|
|
|
1528 ctx->copy_end = (state == ssi_start_state) ? p : copy_end;
|
|
|
1529
|
|
|
1530 if (ctx->copy_start == NULL && ctx->copy_end) {
|
|
|
1531 ctx->copy_start = ctx->buf->pos;
|
|
|
1532 }
|
|
|
1533
|
|
|
1534 return NGX_AGAIN;
|
|
|
1535 }
|
|
|
1536
|
|
|
1537
|
|
102
|
1538 static ngx_str_t *
|
|
160
|
1539 ngx_http_ssi_get_variable(ngx_http_request_t *r, ngx_str_t *name,
|
|
|
1540 ngx_uint_t key)
|
|
102
|
1541 {
|
|
|
1542 ngx_uint_t i;
|
|
248
|
1543 ngx_list_part_t *part;
|
|
102
|
1544 ngx_http_ssi_var_t *var;
|
|
|
1545 ngx_http_ssi_ctx_t *ctx;
|
|
|
1546
|
|
|
1547 ctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
1548
|
|
656
|
1549 #if (NGX_PCRE)
|
|
|
1550 {
|
|
|
1551 ngx_str_t *value;
|
|
|
1552
|
|
|
1553 if (key >= '0' && key <= '9') {
|
|
|
1554 i = key - '0';
|
|
|
1555
|
|
|
1556 if (i < ctx->ncaptures) {
|
|
|
1557 value = ngx_palloc(r->pool, sizeof(ngx_str_t));
|
|
|
1558 if (value == NULL) {
|
|
|
1559 return NULL;
|
|
|
1560 }
|
|
|
1561
|
|
|
1562 i *= 2;
|
|
|
1563
|
|
|
1564 value->data = ctx->captures_data + ctx->captures[i];
|
|
|
1565 value->len = ctx->captures[i + 1] - ctx->captures[i];
|
|
|
1566
|
|
|
1567 return value;
|
|
|
1568 }
|
|
|
1569 }
|
|
|
1570 }
|
|
|
1571 #endif
|
|
|
1572
|
|
216
|
1573 if (ctx->variables == NULL) {
|
|
|
1574 return NULL;
|
|
|
1575 }
|
|
|
1576
|
|
248
|
1577 part = &ctx->variables->part;
|
|
|
1578 var = part->elts;
|
|
|
1579
|
|
|
1580 for (i = 0; /* void */ ; i++) {
|
|
|
1581
|
|
|
1582 if (i >= part->nelts) {
|
|
|
1583 if (part->next == NULL) {
|
|
|
1584 break;
|
|
|
1585 }
|
|
250
|
1586
|
|
248
|
1587 part = part->next;
|
|
|
1588 var = part->elts;
|
|
|
1589 i = 0;
|
|
|
1590 }
|
|
|
1591
|
|
102
|
1592 if (name->len != var[i].name.len) {
|
|
|
1593 continue;
|
|
|
1594 }
|
|
|
1595
|
|
160
|
1596 if (key != var[i].key) {
|
|
|
1597 continue;
|
|
|
1598 }
|
|
|
1599
|
|
|
1600 if (ngx_strncmp(name->data, var[i].name.data, name->len) == 0) {
|
|
102
|
1601 return &var[i].value;
|
|
|
1602 }
|
|
|
1603 }
|
|
|
1604
|
|
|
1605 return NULL;
|
|
|
1606 }
|
|
|
1607
|
|
|
1608
|
|
|
1609 static ngx_int_t
|
|
|
1610 ngx_http_ssi_evaluate_string(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1611 ngx_str_t *text, ngx_uint_t flags)
|
|
|
1612 {
|
|
122
|
1613 u_char ch, *p, **value, *data, *part_data;
|
|
|
1614 size_t *size, len, prefix, part_len;
|
|
|
1615 ngx_str_t var, *val;
|
|
160
|
1616 ngx_int_t key;
|
|
392
|
1617 ngx_uint_t i, n, bracket, quoted;
|
|
102
|
1618 ngx_array_t lengths, values;
|
|
|
1619 ngx_http_variable_value_t *vv;
|
|
|
1620
|
|
|
1621 n = ngx_http_script_variables_count(text);
|
|
|
1622
|
|
|
1623 if (n == 0) {
|
|
|
1624
|
|
206
|
1625 data = text->data;
|
|
|
1626 p = data;
|
|
|
1627
|
|
|
1628 if ((flags & NGX_HTTP_SSI_ADD_PREFIX) && text->data[0] != '/') {
|
|
|
1629
|
|
102
|
1630 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1631 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1632 break;
|
|
|
1633 }
|
|
|
1634 }
|
|
|
1635
|
|
|
1636 if (prefix) {
|
|
|
1637 len = prefix + text->len;
|
|
|
1638
|
|
382
|
1639 data = ngx_pnalloc(r->pool, len);
|
|
102
|
1640 if (data == NULL) {
|
|
|
1641 return NGX_ERROR;
|
|
|
1642 }
|
|
|
1643
|
|
122
|
1644 p = ngx_copy(data, r->uri.data, prefix);
|
|
102
|
1645 }
|
|
|
1646 }
|
|
|
1647
|
|
206
|
1648 quoted = 0;
|
|
|
1649
|
|
378
|
1650 for (i = 0; i < text->len; i++) {
|
|
206
|
1651 ch = text->data[i];
|
|
|
1652
|
|
|
1653 if (!quoted) {
|
|
|
1654
|
|
|
1655 if (ch == '\\') {
|
|
|
1656 quoted = 1;
|
|
|
1657 continue;
|
|
|
1658 }
|
|
|
1659
|
|
|
1660 } else {
|
|
|
1661 quoted = 0;
|
|
|
1662
|
|
|
1663 if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') {
|
|
|
1664 *p++ = '\\';
|
|
|
1665 }
|
|
|
1666 }
|
|
|
1667
|
|
|
1668 *p++ = ch;
|
|
|
1669 }
|
|
|
1670
|
|
|
1671 text->len = p - data;
|
|
|
1672 text->data = data;
|
|
|
1673
|
|
102
|
1674 return NGX_OK;
|
|
|
1675 }
|
|
|
1676
|
|
|
1677 if (ngx_array_init(&lengths, r->pool, 8, sizeof(size_t *)) != NGX_OK) {
|
|
|
1678 return NGX_ERROR;
|
|
|
1679 }
|
|
|
1680
|
|
|
1681 if (ngx_array_init(&values, r->pool, 8, sizeof(u_char *)) != NGX_OK) {
|
|
|
1682 return NGX_ERROR;
|
|
|
1683 }
|
|
|
1684
|
|
|
1685 len = 0;
|
|
|
1686 i = 0;
|
|
|
1687
|
|
|
1688 while (i < text->len) {
|
|
|
1689
|
|
|
1690 if (text->data[i] == '$') {
|
|
|
1691
|
|
|
1692 var.len = 0;
|
|
|
1693
|
|
|
1694 if (++i == text->len) {
|
|
|
1695 goto invalid_variable;
|
|
|
1696 }
|
|
|
1697
|
|
|
1698 if (text->data[i] == '{') {
|
|
|
1699 bracket = 1;
|
|
|
1700
|
|
|
1701 if (++i == text->len) {
|
|
|
1702 goto invalid_variable;
|
|
|
1703 }
|
|
|
1704
|
|
|
1705 var.data = &text->data[i];
|
|
|
1706
|
|
|
1707 } else {
|
|
|
1708 bracket = 0;
|
|
|
1709 var.data = &text->data[i];
|
|
|
1710 }
|
|
|
1711
|
|
|
1712 for ( /* void */ ; i < text->len; i++, var.len++) {
|
|
|
1713 ch = text->data[i];
|
|
|
1714
|
|
|
1715 if (ch == '}' && bracket) {
|
|
|
1716 i++;
|
|
|
1717 bracket = 0;
|
|
|
1718 break;
|
|
|
1719 }
|
|
|
1720
|
|
|
1721 if ((ch >= 'A' && ch <= 'Z')
|
|
|
1722 || (ch >= 'a' && ch <= 'z')
|
|
|
1723 || (ch >= '0' && ch <= '9')
|
|
|
1724 || ch == '_')
|
|
|
1725 {
|
|
|
1726 continue;
|
|
|
1727 }
|
|
|
1728
|
|
|
1729 break;
|
|
|
1730 }
|
|
|
1731
|
|
|
1732 if (bracket) {
|
|
|
1733 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1734 "the closing bracket in \"%V\" "
|
|
|
1735 "variable is missing", &var);
|
|
248
|
1736 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1737 }
|
|
|
1738
|
|
126
|
1739 if (var.len == 0) {
|
|
102
|
1740 goto invalid_variable;
|
|
|
1741 }
|
|
|
1742
|
|
392
|
1743 key = ngx_hash_strlow(var.data, var.data, var.len);
|
|
102
|
1744
|
|
160
|
1745 val = ngx_http_ssi_get_variable(r, &var, key);
|
|
102
|
1746
|
|
|
1747 if (val == NULL) {
|
|
568
|
1748 vv = ngx_http_get_variable(r, &var, key);
|
|
102
|
1749 if (vv == NULL) {
|
|
|
1750 return NGX_ERROR;
|
|
|
1751 }
|
|
|
1752
|
|
122
|
1753 if (vv->not_found) {
|
|
102
|
1754 continue;
|
|
|
1755 }
|
|
|
1756
|
|
122
|
1757 part_data = vv->data;
|
|
|
1758 part_len = vv->len;
|
|
102
|
1759
|
|
|
1760 } else {
|
|
122
|
1761 part_data = val->data;
|
|
|
1762 part_len = val->len;
|
|
102
|
1763 }
|
|
|
1764
|
|
|
1765 } else {
|
|
122
|
1766 part_data = &text->data[i];
|
|
200
|
1767 quoted = 0;
|
|
122
|
1768
|
|
|
1769 for (p = part_data; i < text->len; i++) {
|
|
108
|
1770 ch = text->data[i];
|
|
|
1771
|
|
200
|
1772 if (!quoted) {
|
|
|
1773
|
|
|
1774 if (ch == '\\') {
|
|
|
1775 quoted = 1;
|
|
|
1776 continue;
|
|
|
1777 }
|
|
|
1778
|
|
|
1779 if (ch == '$') {
|
|
108
|
1780 break;
|
|
|
1781 }
|
|
|
1782
|
|
200
|
1783 } else {
|
|
|
1784 quoted = 0;
|
|
|
1785
|
|
|
1786 if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') {
|
|
|
1787 *p++ = '\\';
|
|
|
1788 }
|
|
108
|
1789 }
|
|
|
1790
|
|
|
1791 *p++ = ch;
|
|
102
|
1792 }
|
|
108
|
1793
|
|
122
|
1794 part_len = p - part_data;
|
|
102
|
1795 }
|
|
|
1796
|
|
122
|
1797 len += part_len;
|
|
102
|
1798
|
|
|
1799 size = ngx_array_push(&lengths);
|
|
|
1800 if (size == NULL) {
|
|
|
1801 return NGX_ERROR;
|
|
|
1802 }
|
|
|
1803
|
|
122
|
1804 *size = part_len;
|
|
102
|
1805
|
|
|
1806 value = ngx_array_push(&values);
|
|
|
1807 if (value == NULL) {
|
|
|
1808 return NGX_ERROR;
|
|
|
1809 }
|
|
|
1810
|
|
122
|
1811 *value = part_data;
|
|
102
|
1812 }
|
|
|
1813
|
|
|
1814 prefix = 0;
|
|
|
1815
|
|
|
1816 size = lengths.elts;
|
|
|
1817 value = values.elts;
|
|
|
1818
|
|
|
1819 if (flags & NGX_HTTP_SSI_ADD_PREFIX) {
|
|
|
1820 for (i = 0; i < values.nelts; i++) {
|
|
|
1821 if (size[i] != 0) {
|
|
|
1822 if (*value[i] != '/') {
|
|
|
1823 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1824 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1825 len += prefix;
|
|
|
1826 break;
|
|
|
1827 }
|
|
|
1828 }
|
|
|
1829 }
|
|
|
1830
|
|
|
1831 break;
|
|
|
1832 }
|
|
|
1833 }
|
|
|
1834 }
|
|
|
1835
|
|
382
|
1836 p = ngx_pnalloc(r->pool, len + ((flags & NGX_HTTP_SSI_ADD_ZERO) ? 1 : 0));
|
|
102
|
1837 if (p == NULL) {
|
|
|
1838 return NGX_ERROR;
|
|
|
1839 }
|
|
|
1840
|
|
|
1841 text->len = len;
|
|
|
1842 text->data = p;
|
|
|
1843
|
|
122
|
1844 p = ngx_copy(p, r->uri.data, prefix);
|
|
102
|
1845
|
|
|
1846 for (i = 0; i < values.nelts; i++) {
|
|
122
|
1847 p = ngx_copy(p, value[i], size[i]);
|
|
102
|
1848 }
|
|
|
1849
|
|
|
1850 return NGX_OK;
|
|
|
1851
|
|
|
1852 invalid_variable:
|
|
|
1853
|
|
|
1854 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1855 "invalid variable name in \"%V\"", text);
|
|
|
1856
|
|
248
|
1857 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1858 }
|
|
|
1859
|
|
|
1860
|
|
|
1861 static ngx_int_t
|
|
656
|
1862 ngx_http_ssi_regex_match(ngx_http_request_t *r, ngx_str_t *pattern,
|
|
|
1863 ngx_str_t *str)
|
|
|
1864 {
|
|
|
1865 #if (NGX_PCRE)
|
|
|
1866 int rc, *captures;
|
|
|
1867 u_char *p, errstr[NGX_MAX_CONF_ERRSTR];
|
|
|
1868 size_t size;
|
|
|
1869 ngx_int_t key;
|
|
|
1870 ngx_str_t *vv, name, value;
|
|
|
1871 ngx_uint_t i, n;
|
|
|
1872 ngx_http_ssi_ctx_t *ctx;
|
|
|
1873 ngx_http_ssi_var_t *var;
|
|
|
1874 ngx_regex_compile_t rgc;
|
|
|
1875
|
|
|
1876 ngx_memzero(&rgc, sizeof(ngx_regex_compile_t));
|
|
|
1877
|
|
|
1878 rgc.pattern = *pattern;
|
|
|
1879 rgc.pool = r->pool;
|
|
|
1880 rgc.err.len = NGX_MAX_CONF_ERRSTR;
|
|
|
1881 rgc.err.data = errstr;
|
|
|
1882
|
|
|
1883 if (ngx_regex_compile(&rgc) != NGX_OK) {
|
|
|
1884 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "%V", &rgc.err);
|
|
|
1885 return NGX_HTTP_SSI_ERROR;
|
|
|
1886 }
|
|
|
1887
|
|
|
1888 n = (rgc.captures + 1) * 3;
|
|
|
1889
|
|
|
1890 captures = ngx_palloc(r->pool, n * sizeof(int));
|
|
|
1891 if (captures == NULL) {
|
|
|
1892 return NGX_ERROR;
|
|
|
1893 }
|
|
|
1894
|
|
|
1895 rc = ngx_regex_exec(rgc.regex, str, captures, n);
|
|
|
1896
|
|
|
1897 if (rc < NGX_REGEX_NO_MATCHED) {
|
|
|
1898 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1899 ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"",
|
|
|
1900 rc, str, pattern);
|
|
|
1901 return NGX_HTTP_SSI_ERROR;
|
|
|
1902 }
|
|
|
1903
|
|
|
1904 if (rc == NGX_REGEX_NO_MATCHED) {
|
|
|
1905 return NGX_DECLINED;
|
|
|
1906 }
|
|
|
1907
|
|
|
1908 ctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
1909
|
|
|
1910 ctx->ncaptures = rc;
|
|
|
1911 ctx->captures = captures;
|
|
|
1912 ctx->captures_data = str->data;
|
|
|
1913
|
|
|
1914 if (rgc.named_captures > 0) {
|
|
|
1915
|
|
|
1916 if (ctx->variables == NULL) {
|
|
|
1917 ctx->variables = ngx_list_create(r->pool, 4,
|
|
|
1918 sizeof(ngx_http_ssi_var_t));
|
|
|
1919 if (ctx->variables == NULL) {
|
|
|
1920 return NGX_ERROR;
|
|
|
1921 }
|
|
|
1922 }
|
|
|
1923
|
|
|
1924 size = rgc.name_size;
|
|
|
1925 p = rgc.names;
|
|
|
1926
|
|
|
1927 for (i = 0; i < (ngx_uint_t) rgc.named_captures; i++, p += size) {
|
|
|
1928
|
|
|
1929 name.data = &p[2];
|
|
|
1930 name.len = ngx_strlen(name.data);
|
|
|
1931
|
|
|
1932 n = 2 * ((p[0] << 8) + p[1]);
|
|
|
1933
|
|
|
1934 value.data = &str->data[captures[n]];
|
|
|
1935 value.len = captures[n + 1] - captures[n];
|
|
|
1936
|
|
|
1937 key = ngx_hash_strlow(name.data, name.data, name.len);
|
|
|
1938
|
|
|
1939 vv = ngx_http_ssi_get_variable(r, &name, key);
|
|
|
1940
|
|
|
1941 if (vv) {
|
|
|
1942 *vv = value;
|
|
|
1943 continue;
|
|
|
1944 }
|
|
|
1945
|
|
|
1946 var = ngx_list_push(ctx->variables);
|
|
|
1947 if (var == NULL) {
|
|
|
1948 return NGX_ERROR;
|
|
|
1949 }
|
|
|
1950
|
|
|
1951 var->name = name;
|
|
|
1952 var->key = key;
|
|
|
1953 var->value = value;
|
|
|
1954 }
|
|
|
1955 }
|
|
|
1956
|
|
|
1957 return NGX_OK;
|
|
|
1958
|
|
|
1959 #else
|
|
|
1960
|
|
|
1961 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1962 "the using of the regex \"%V\" in SSI requires PCRE library",
|
|
|
1963 pattern);
|
|
|
1964 return NGX_HTTP_SSI_ERROR;
|
|
|
1965
|
|
|
1966 #endif
|
|
|
1967 }
|
|
|
1968
|
|
|
1969
|
|
|
1970 static ngx_int_t
|
|
102
|
1971 ngx_http_ssi_include(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1972 ngx_str_t **params)
|
|
|
1973 {
|
|
342
|
1974 u_char *dst, *src;
|
|
|
1975 size_t len;
|
|
248
|
1976 ngx_int_t rc, key;
|
|
|
1977 ngx_str_t *uri, *file, *wait, *set, *stub, args;
|
|
|
1978 ngx_buf_t *b;
|
|
|
1979 ngx_uint_t flags, i;
|
|
250
|
1980 ngx_chain_t *cl, *tl, **ll, *out;
|
|
248
|
1981 ngx_http_request_t *sr;
|
|
|
1982 ngx_http_ssi_var_t *var;
|
|
|
1983 ngx_http_ssi_ctx_t *mctx;
|
|
|
1984 ngx_http_ssi_block_t *bl;
|
|
|
1985 ngx_http_post_subrequest_t *psr;
|
|
102
|
1986
|
|
|
1987 uri = params[NGX_HTTP_SSI_INCLUDE_VIRTUAL];
|
|
|
1988 file = params[NGX_HTTP_SSI_INCLUDE_FILE];
|
|
194
|
1989 wait = params[NGX_HTTP_SSI_INCLUDE_WAIT];
|
|
248
|
1990 set = params[NGX_HTTP_SSI_INCLUDE_SET];
|
|
216
|
1991 stub = params[NGX_HTTP_SSI_INCLUDE_STUB];
|
|
102
|
1992
|
|
|
1993 if (uri && file) {
|
|
|
1994 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1995 "inlcusion may be either virtual=\"%V\" or file=\"%V\"",
|
|
|
1996 uri, file);
|
|
|
1997 return NGX_HTTP_SSI_ERROR;
|
|
|
1998 }
|
|
|
1999
|
|
|
2000 if (uri == NULL && file == NULL) {
|
|
|
2001 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2002 "no parameter in \"include\" SSI command");
|
|
|
2003 return NGX_HTTP_SSI_ERROR;
|
|
|
2004 }
|
|
|
2005
|
|
248
|
2006 if (set && stub) {
|
|
|
2007 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
672
|
2008 "\"set\" and \"stub\" cannot be used together "
|
|
248
|
2009 "in \"include\" SSI command");
|
|
|
2010 return NGX_HTTP_SSI_ERROR;
|
|
|
2011 }
|
|
|
2012
|
|
194
|
2013 if (wait) {
|
|
|
2014 if (uri == NULL) {
|
|
|
2015 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
672
|
2016 "\"wait\" cannot be used with file=\"%V\"", file);
|
|
194
|
2017 return NGX_HTTP_SSI_ERROR;
|
|
|
2018 }
|
|
|
2019
|
|
286
|
2020 if (wait->len == 2
|
|
|
2021 && ngx_strncasecmp(wait->data, (u_char *) "no", 2) == 0)
|
|
|
2022 {
|
|
194
|
2023 wait = NULL;
|
|
|
2024
|
|
286
|
2025 } else if (wait->len != 3
|
|
|
2026 || ngx_strncasecmp(wait->data, (u_char *) "yes", 3) != 0)
|
|
194
|
2027 {
|
|
|
2028 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2029 "invalid value \"%V\" in the \"wait\" parameter",
|
|
216
|
2030 wait);
|
|
194
|
2031 return NGX_HTTP_SSI_ERROR;
|
|
|
2032 }
|
|
|
2033 }
|
|
|
2034
|
|
102
|
2035 if (uri == NULL) {
|
|
|
2036 uri = file;
|
|
434
|
2037 wait = (ngx_str_t *) -1;
|
|
102
|
2038 }
|
|
|
2039
|
|
248
|
2040 rc = ngx_http_ssi_evaluate_string(r, ctx, uri, NGX_HTTP_SSI_ADD_PREFIX);
|
|
|
2041
|
|
|
2042 if (rc != NGX_OK) {
|
|
|
2043 return rc;
|
|
102
|
2044 }
|
|
|
2045
|
|
342
|
2046 dst = uri->data;
|
|
|
2047 src = uri->data;
|
|
|
2048
|
|
|
2049 ngx_unescape_uri(&dst, &src, uri->len, NGX_UNESCAPE_URI);
|
|
|
2050
|
|
|
2051 len = (uri->data + uri->len) - src;
|
|
|
2052 if (len) {
|
|
620
|
2053 dst = ngx_movemem(dst, src, len);
|
|
342
|
2054 }
|
|
|
2055
|
|
|
2056 uri->len = dst - uri->data;
|
|
|
2057
|
|
|
2058 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2059 "ssi include: \"%V\"", uri);
|
|
|
2060
|
|
570
|
2061 ngx_str_null(&args);
|
|
530
|
2062 flags = NGX_HTTP_LOG_UNSAFE;
|
|
122
|
2063
|
|
|
2064 if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) {
|
|
|
2065 return NGX_HTTP_SSI_ERROR;
|
|
102
|
2066 }
|
|
|
2067
|
|
248
|
2068 psr = NULL;
|
|
|
2069
|
|
|
2070 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
216
|
2071
|
|
|
2072 if (stub) {
|
|
|
2073 if (mctx->blocks) {
|
|
|
2074 bl = mctx->blocks->elts;
|
|
|
2075 for (i = 0; i < mctx->blocks->nelts; i++) {
|
|
|
2076 if (stub->len == bl[i].name.len
|
|
|
2077 && ngx_strncmp(stub->data, bl[i].name.data, stub->len) == 0)
|
|
|
2078 {
|
|
|
2079 goto found;
|
|
|
2080 }
|
|
|
2081 }
|
|
|
2082 }
|
|
|
2083
|
|
|
2084 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2085 "\"stub\"=\"%V\" for \"include\" not found", stub);
|
|
|
2086 return NGX_HTTP_SSI_ERROR;
|
|
|
2087
|
|
|
2088 found:
|
|
|
2089
|
|
248
|
2090 psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t));
|
|
|
2091 if (psr == NULL) {
|
|
|
2092 return NGX_ERROR;
|
|
|
2093 }
|
|
|
2094
|
|
|
2095 psr->handler = ngx_http_ssi_stub_output;
|
|
|
2096
|
|
216
|
2097 if (bl[i].count++) {
|
|
|
2098
|
|
366
|
2099 out = NULL;
|
|
250
|
2100 ll = &out;
|
|
216
|
2101
|
|
|
2102 for (tl = bl[i].bufs; tl; tl = tl->next) {
|
|
|
2103
|
|
|
2104 if (ctx->free) {
|
|
|
2105 cl = ctx->free;
|
|
|
2106 ctx->free = ctx->free->next;
|
|
|
2107 b = cl->buf;
|
|
|
2108
|
|
|
2109 } else {
|
|
|
2110 b = ngx_alloc_buf(r->pool);
|
|
|
2111 if (b == NULL) {
|
|
|
2112 return NGX_ERROR;
|
|
|
2113 }
|
|
|
2114
|
|
|
2115 cl = ngx_alloc_chain_link(r->pool);
|
|
|
2116 if (cl == NULL) {
|
|
|
2117 return NGX_ERROR;
|
|
|
2118 }
|
|
|
2119
|
|
|
2120 cl->buf = b;
|
|
|
2121 }
|
|
|
2122
|
|
|
2123 ngx_memcpy(b, tl->buf, sizeof(ngx_buf_t));
|
|
|
2124
|
|
|
2125 b->pos = b->start;
|
|
|
2126
|
|
|
2127 *ll = cl;
|
|
|
2128 cl->next = NULL;
|
|
|
2129 ll = &cl->next;
|
|
|
2130 }
|
|
|
2131
|
|
250
|
2132 psr->data = out;
|
|
|
2133
|
|
216
|
2134 } else {
|
|
248
|
2135 psr->data = bl[i].bufs;
|
|
216
|
2136 }
|
|
|
2137 }
|
|
|
2138
|
|
426
|
2139 if (wait) {
|
|
|
2140 flags |= NGX_HTTP_SUBREQUEST_WAITED;
|
|
|
2141 }
|
|
|
2142
|
|
248
|
2143 if (set) {
|
|
392
|
2144 key = ngx_hash_strlow(set->data, set->data, set->len);
|
|
248
|
2145
|
|
|
2146 psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t));
|
|
|
2147 if (psr == NULL) {
|
|
|
2148 return NGX_ERROR;
|
|
|
2149 }
|
|
|
2150
|
|
|
2151 psr->handler = ngx_http_ssi_set_variable;
|
|
|
2152 psr->data = ngx_http_ssi_get_variable(r, set, key);
|
|
|
2153
|
|
|
2154 if (psr->data == NULL) {
|
|
|
2155
|
|
|
2156 if (mctx->variables == NULL) {
|
|
|
2157 mctx->variables = ngx_list_create(r->pool, 4,
|
|
|
2158 sizeof(ngx_http_ssi_var_t));
|
|
|
2159 if (mctx->variables == NULL) {
|
|
|
2160 return NGX_ERROR;
|
|
|
2161 }
|
|
|
2162 }
|
|
|
2163
|
|
|
2164 var = ngx_list_push(mctx->variables);
|
|
|
2165 if (var == NULL) {
|
|
|
2166 return NGX_ERROR;
|
|
|
2167 }
|
|
|
2168
|
|
|
2169 var->name = *set;
|
|
|
2170 var->key = key;
|
|
|
2171 var->value = ngx_http_ssi_null_string;
|
|
|
2172 psr->data = &var->value;
|
|
|
2173 }
|
|
|
2174
|
|
426
|
2175 flags |= NGX_HTTP_SUBREQUEST_IN_MEMORY|NGX_HTTP_SUBREQUEST_WAITED;
|
|
248
|
2176 }
|
|
|
2177
|
|
426
|
2178 if (ngx_http_subrequest(r, uri, &args, &sr, psr, flags) != NGX_OK) {
|
|
102
|
2179 return NGX_HTTP_SSI_ERROR;
|
|
|
2180 }
|
|
|
2181
|
|
248
|
2182 if (wait == NULL && set == NULL) {
|
|
194
|
2183 return NGX_OK;
|
|
|
2184 }
|
|
|
2185
|
|
426
|
2186 if (ctx->wait == NULL) {
|
|
|
2187 ctx->wait = sr;
|
|
|
2188
|
|
|
2189 return NGX_AGAIN;
|
|
|
2190
|
|
|
2191 } else {
|
|
|
2192 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
672
|
2193 "can only wait for one subrequest at a time");
|
|
194
|
2194 }
|
|
|
2195
|
|
426
|
2196 return NGX_OK;
|
|
102
|
2197 }
|
|
|
2198
|
|
|
2199
|
|
46
|
2200 static ngx_int_t
|
|
248
|
2201 ngx_http_ssi_stub_output(ngx_http_request_t *r, void *data, ngx_int_t rc)
|
|
|
2202 {
|
|
|
2203 ngx_chain_t *out;
|
|
|
2204
|
|
|
2205 if (rc == NGX_ERROR || r->connection->error || r->request_output) {
|
|
|
2206 return rc;
|
|
|
2207 }
|
|
|
2208
|
|
|
2209 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2210 "ssi stub output: \"%V?%V\"", &r->uri, &r->args);
|
|
|
2211
|
|
|
2212 out = data;
|
|
|
2213
|
|
|
2214 if (!r->header_sent) {
|
|
564
|
2215 r->headers_out.content_type_len =
|
|
|
2216 r->parent->headers_out.content_type_len;
|
|
|
2217 r->headers_out.content_type = r->parent->headers_out.content_type;
|
|
248
|
2218
|
|
|
2219 if (ngx_http_send_header(r) == NGX_ERROR) {
|
|
|
2220 return NGX_ERROR;
|
|
|
2221 }
|
|
|
2222 }
|
|
|
2223
|
|
|
2224 return ngx_http_output_filter(r, out);
|
|
|
2225 }
|
|
|
2226
|
|
|
2227
|
|
|
2228 static ngx_int_t
|
|
|
2229 ngx_http_ssi_set_variable(ngx_http_request_t *r, void *data, ngx_int_t rc)
|
|
|
2230 {
|
|
|
2231 ngx_str_t *value = data;
|
|
|
2232
|
|
|
2233 if (r->upstream) {
|
|
|
2234 value->len = r->upstream->buffer.last - r->upstream->buffer.pos;
|
|
|
2235 value->data = r->upstream->buffer.pos;
|
|
|
2236 }
|
|
|
2237
|
|
|
2238 return rc;
|
|
|
2239 }
|
|
|
2240
|
|
|
2241
|
|
|
2242 static ngx_int_t
|
|
46
|
2243 ngx_http_ssi_echo(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2244 ngx_str_t **params)
|
|
|
2245 {
|
|
340
|
2246 u_char *p;
|
|
|
2247 uintptr_t len;
|
|
160
|
2248 ngx_int_t key;
|
|
48
|
2249 ngx_buf_t *b;
|
|
340
|
2250 ngx_str_t *var, *value, *enc, text;
|
|
48
|
2251 ngx_chain_t *cl;
|
|
50
|
2252 ngx_http_variable_value_t *vv;
|
|
46
|
2253
|
|
|
2254 var = params[NGX_HTTP_SSI_ECHO_VAR];
|
|
|
2255
|
|
192
|
2256 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2257 "ssi echo \"%V\"", var);
|
|
|
2258
|
|
392
|
2259 key = ngx_hash_strlow(var->data, var->data, var->len);
|
|
160
|
2260
|
|
|
2261 value = ngx_http_ssi_get_variable(r, var, key);
|
|
102
|
2262
|
|
|
2263 if (value == NULL) {
|
|
568
|
2264 vv = ngx_http_get_variable(r, var, key);
|
|
102
|
2265
|
|
|
2266 if (vv == NULL) {
|
|
|
2267 return NGX_HTTP_SSI_ERROR;
|
|
|
2268 }
|
|
|
2269
|
|
122
|
2270 if (!vv->not_found) {
|
|
|
2271 text.data = vv->data;
|
|
|
2272 text.len = vv->len;
|
|
|
2273 value = &text;
|
|
102
|
2274 }
|
|
50
|
2275 }
|
|
46
|
2276
|
|
102
|
2277 if (value == NULL) {
|
|
48
|
2278 value = params[NGX_HTTP_SSI_ECHO_DEFAULT];
|
|
|
2279
|
|
|
2280 if (value == NULL) {
|
|
|
2281 value = &ngx_http_ssi_none;
|
|
|
2282
|
|
|
2283 } else if (value->len == 0) {
|
|
|
2284 return NGX_OK;
|
|
|
2285 }
|
|
|
2286
|
|
|
2287 } else {
|
|
|
2288 if (value->len == 0) {
|
|
|
2289 return NGX_OK;
|
|
|
2290 }
|
|
|
2291 }
|
|
|
2292
|
|
340
|
2293 enc = params[NGX_HTTP_SSI_ECHO_ENCODING];
|
|
|
2294
|
|
|
2295 if (enc) {
|
|
|
2296 if (enc->len == 4 && ngx_strncmp(enc->data, "none", 4) == 0) {
|
|
|
2297
|
|
|
2298 ctx->encoding = NGX_HTTP_SSI_NO_ENCODING;
|
|
|
2299
|
|
|
2300 } else if (enc->len == 3 && ngx_strncmp(enc->data, "url", 3) == 0) {
|
|
|
2301
|
|
|
2302 ctx->encoding = NGX_HTTP_SSI_URL_ENCODING;
|
|
|
2303
|
|
|
2304 } else if (enc->len == 6 && ngx_strncmp(enc->data, "entity", 6) == 0) {
|
|
|
2305
|
|
|
2306 ctx->encoding = NGX_HTTP_SSI_ENTITY_ENCODING;
|
|
|
2307
|
|
|
2308 } else {
|
|
|
2309 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2310 "unknown encoding \"%V\" in the \"echo\" command",
|
|
|
2311 enc);
|
|
|
2312 }
|
|
|
2313 }
|
|
|
2314
|
|
568
|
2315 p = value->data;
|
|
|
2316
|
|
340
|
2317 switch (ctx->encoding) {
|
|
|
2318
|
|
|
2319 case NGX_HTTP_SSI_URL_ENCODING:
|
|
|
2320 len = 2 * ngx_escape_uri(NULL, value->data, value->len,
|
|
|
2321 NGX_ESCAPE_HTML);
|
|
|
2322
|
|
|
2323 if (len) {
|
|
382
|
2324 p = ngx_pnalloc(r->pool, value->len + len);
|
|
340
|
2325 if (p == NULL) {
|
|
|
2326 return NGX_HTTP_SSI_ERROR;
|
|
|
2327 }
|
|
|
2328
|
|
|
2329 (void) ngx_escape_uri(p, value->data, value->len, NGX_ESCAPE_HTML);
|
|
|
2330 }
|
|
|
2331
|
|
568
|
2332 len += value->len;
|
|
340
|
2333 break;
|
|
|
2334
|
|
|
2335 case NGX_HTTP_SSI_ENTITY_ENCODING:
|
|
|
2336 len = ngx_escape_html(NULL, value->data, value->len);
|
|
|
2337
|
|
|
2338 if (len) {
|
|
382
|
2339 p = ngx_pnalloc(r->pool, value->len + len);
|
|
340
|
2340 if (p == NULL) {
|
|
|
2341 return NGX_HTTP_SSI_ERROR;
|
|
|
2342 }
|
|
|
2343
|
|
|
2344 (void) ngx_escape_html(p, value->data, value->len);
|
|
|
2345 }
|
|
|
2346
|
|
568
|
2347 len += value->len;
|
|
|
2348 break;
|
|
|
2349
|
|
|
2350 default: /* NGX_HTTP_SSI_NO_ENCODING */
|
|
|
2351 len = value->len;
|
|
340
|
2352 break;
|
|
|
2353 }
|
|
|
2354
|
|
48
|
2355 b = ngx_calloc_buf(r->pool);
|
|
|
2356 if (b == NULL) {
|
|
|
2357 return NGX_HTTP_SSI_ERROR;
|
|
|
2358 }
|
|
|
2359
|
|
|
2360 cl = ngx_alloc_chain_link(r->pool);
|
|
|
2361 if (cl == NULL) {
|
|
46
|
2362 return NGX_HTTP_SSI_ERROR;
|
|
|
2363 }
|
|
|
2364
|
|
|
2365 b->memory = 1;
|
|
568
|
2366 b->pos = p;
|
|
|
2367 b->last = p + len;
|
|
46
|
2368
|
|
|
2369 cl->buf = b;
|
|
|
2370 cl->next = NULL;
|
|
|
2371 *ctx->last_out = cl;
|
|
|
2372 ctx->last_out = &cl->next;
|
|
|
2373
|
|
|
2374 return NGX_OK;
|
|
|
2375 }
|
|
|
2376
|
|
|
2377
|
|
58
|
2378 static ngx_int_t
|
|
|
2379 ngx_http_ssi_config(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2380 ngx_str_t **params)
|
|
|
2381 {
|
|
|
2382 ngx_str_t *value;
|
|
|
2383
|
|
|
2384 value = params[NGX_HTTP_SSI_CONFIG_TIMEFMT];
|
|
|
2385
|
|
|
2386 if (value) {
|
|
138
|
2387 ctx->timefmt.len = value->len;
|
|
382
|
2388 ctx->timefmt.data = ngx_pnalloc(r->pool, value->len + 1);
|
|
138
|
2389 if (ctx->timefmt.data == NULL) {
|
|
|
2390 return NGX_HTTP_SSI_ERROR;
|
|
|
2391 }
|
|
|
2392
|
|
|
2393 ngx_cpystrn(ctx->timefmt.data, value->data, value->len + 1);
|
|
58
|
2394 }
|
|
|
2395
|
|
96
|
2396 value = params[NGX_HTTP_SSI_CONFIG_ERRMSG];
|
|
|
2397
|
|
|
2398 if (value) {
|
|
|
2399 ctx->errmsg = *value;
|
|
|
2400 }
|
|
|
2401
|
|
58
|
2402 return NGX_OK;
|
|
|
2403 }
|
|
|
2404
|
|
|
2405
|
|
|
2406 static ngx_int_t
|
|
102
|
2407 ngx_http_ssi_set(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
58
|
2408 ngx_str_t **params)
|
|
|
2409 {
|
|
248
|
2410 ngx_int_t key, rc;
|
|
102
|
2411 ngx_str_t *name, *value, *vv;
|
|
|
2412 ngx_http_ssi_var_t *var;
|
|
|
2413 ngx_http_ssi_ctx_t *mctx;
|
|
|
2414
|
|
|
2415 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
2416
|
|
216
|
2417 if (mctx->variables == NULL) {
|
|
248
|
2418 mctx->variables = ngx_list_create(r->pool, 4,
|
|
|
2419 sizeof(ngx_http_ssi_var_t));
|
|
216
|
2420 if (mctx->variables == NULL) {
|
|
248
|
2421 return NGX_ERROR;
|
|
58
|
2422 }
|
|
|
2423 }
|
|
|
2424
|
|
102
|
2425 name = params[NGX_HTTP_SSI_SET_VAR];
|
|
|
2426 value = params[NGX_HTTP_SSI_SET_VALUE];
|
|
|
2427
|
|
192
|
2428 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2429 "ssi set \"%V\" \"%V\"", name, value);
|
|
|
2430
|
|
248
|
2431 rc = ngx_http_ssi_evaluate_string(r, ctx, value, 0);
|
|
|
2432
|
|
|
2433 if (rc != NGX_OK) {
|
|
|
2434 return rc;
|
|
58
|
2435 }
|
|
|
2436
|
|
392
|
2437 key = ngx_hash_strlow(name->data, name->data, name->len);
|
|
160
|
2438
|
|
|
2439 vv = ngx_http_ssi_get_variable(r, name, key);
|
|
102
|
2440
|
|
|
2441 if (vv) {
|
|
|
2442 *vv = *value;
|
|
|
2443 return NGX_OK;
|
|
|
2444 }
|
|
|
2445
|
|
248
|
2446 var = ngx_list_push(mctx->variables);
|
|
102
|
2447 if (var == NULL) {
|
|
248
|
2448 return NGX_ERROR;
|
|
102
|
2449 }
|
|
|
2450
|
|
|
2451 var->name = *name;
|
|
160
|
2452 var->key = key;
|
|
102
|
2453 var->value = *value;
|
|
|
2454
|
|
|
2455 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2456 "set: \"%V\"=\"%V\"", name, value);
|
|
|
2457
|
|
58
|
2458 return NGX_OK;
|
|
|
2459 }
|
|
|
2460
|
|
|
2461
|
|
|
2462 static ngx_int_t
|
|
|
2463 ngx_http_ssi_if(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2464 ngx_str_t **params)
|
|
|
2465 {
|
|
102
|
2466 u_char *p, *last;
|
|
|
2467 ngx_str_t *expr, left, right;
|
|
|
2468 ngx_int_t rc;
|
|
178
|
2469 ngx_uint_t negative, noregex, flags;
|
|
58
|
2470
|
|
178
|
2471 if (ctx->command.len == 2) {
|
|
|
2472 if (ctx->conditional) {
|
|
|
2473 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2474 "the \"if\" command inside the \"if\" command");
|
|
|
2475 return NGX_HTTP_SSI_ERROR;
|
|
|
2476 }
|
|
|
2477 }
|
|
|
2478
|
|
|
2479 if (ctx->output_chosen) {
|
|
|
2480 ctx->output = 0;
|
|
|
2481 return NGX_OK;
|
|
|
2482 }
|
|
|
2483
|
|
58
|
2484 expr = params[NGX_HTTP_SSI_IF_EXPR];
|
|
|
2485
|
|
192
|
2486 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2487 "ssi if expr=\"%V\"", expr);
|
|
|
2488
|
|
102
|
2489 left.data = expr->data;
|
|
100
|
2490 last = expr->data + expr->len;
|
|
|
2491
|
|
102
|
2492 for (p = left.data; p < last; p++) {
|
|
100
|
2493 if (*p >= 'A' && *p <= 'Z') {
|
|
|
2494 *p |= 0x20;
|
|
|
2495 continue;
|
|
|
2496 }
|
|
58
|
2497
|
|
102
|
2498 if ((*p >= 'a' && *p <= 'z')
|
|
|
2499 || (*p >= '0' && *p <= '9')
|
|
122
|
2500 || *p == '$' || *p == '{' || *p == '}' || *p == '_'
|
|
|
2501 || *p == '"' || *p == '\'')
|
|
102
|
2502 {
|
|
100
|
2503 continue;
|
|
|
2504 }
|
|
|
2505
|
|
|
2506 break;
|
|
|
2507 }
|
|
|
2508
|
|
102
|
2509 left.len = p - left.data;
|
|
100
|
2510
|
|
|
2511 while (p < last && *p == ' ') {
|
|
|
2512 p++;
|
|
58
|
2513 }
|
|
|
2514
|
|
568
|
2515 flags = 0;
|
|
184
|
2516
|
|
102
|
2517 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2518 "left: \"%V\"", &left);
|
|
|
2519
|
|
248
|
2520 rc = ngx_http_ssi_evaluate_string(r, ctx, &left, flags);
|
|
|
2521
|
|
|
2522 if (rc != NGX_OK) {
|
|
|
2523 return rc;
|
|
58
|
2524 }
|
|
|
2525
|
|
102
|
2526 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2527 "evaluted left: \"%V\"", &left);
|
|
|
2528
|
|
100
|
2529 if (p == last) {
|
|
102
|
2530 if (left.len) {
|
|
100
|
2531 ctx->output = 1;
|
|
178
|
2532 ctx->output_chosen = 1;
|
|
100
|
2533
|
|
|
2534 } else {
|
|
|
2535 ctx->output = 0;
|
|
|
2536 }
|
|
|
2537
|
|
178
|
2538 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
2539
|
|
100
|
2540 return NGX_OK;
|
|
|
2541 }
|
|
|
2542
|
|
|
2543 if (p < last && *p == '=') {
|
|
|
2544 negative = 0;
|
|
|
2545 p++;
|
|
|
2546
|
|
|
2547 } else if (p + 1 < last && *p == '!' && *(p + 1) == '=') {
|
|
|
2548 negative = 1;
|
|
|
2549 p += 2;
|
|
|
2550
|
|
|
2551 } else {
|
|
|
2552 goto invalid_expression;
|
|
|
2553 }
|
|
|
2554
|
|
|
2555 while (p < last && *p == ' ') {
|
|
|
2556 p++;
|
|
|
2557 }
|
|
|
2558
|
|
300
|
2559 if (p < last - 1 && *p == '/') {
|
|
100
|
2560 if (*(last - 1) != '/') {
|
|
|
2561 goto invalid_expression;
|
|
|
2562 }
|
|
|
2563
|
|
|
2564 noregex = 0;
|
|
178
|
2565 flags = NGX_HTTP_SSI_ADD_ZERO;
|
|
100
|
2566 last--;
|
|
274
|
2567 p++;
|
|
100
|
2568
|
|
|
2569 } else {
|
|
|
2570 noregex = 1;
|
|
178
|
2571 flags = 0;
|
|
|
2572
|
|
|
2573 if (p < last - 1 && p[0] == '\\' && p[1] == '/') {
|
|
200
|
2574 p++;
|
|
178
|
2575 }
|
|
100
|
2576 }
|
|
|
2577
|
|
|
2578 right.len = last - p;
|
|
|
2579 right.data = p;
|
|
|
2580
|
|
102
|
2581 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2582 "right: \"%V\"", &right);
|
|
|
2583
|
|
248
|
2584 rc = ngx_http_ssi_evaluate_string(r, ctx, &right, flags);
|
|
|
2585
|
|
|
2586 if (rc != NGX_OK) {
|
|
|
2587 return rc;
|
|
100
|
2588 }
|
|
|
2589
|
|
102
|
2590 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2591 "evaluted right: \"%V\"", &right);
|
|
100
|
2592
|
|
|
2593 if (noregex) {
|
|
|
2594 if (left.len != right.len) {
|
|
|
2595 rc = -1;
|
|
|
2596
|
|
|
2597 } else {
|
|
|
2598 rc = ngx_strncmp(left.data, right.data, right.len);
|
|
|
2599 }
|
|
|
2600
|
|
|
2601 } else {
|
|
|
2602 right.data[right.len] = '\0';
|
|
|
2603
|
|
656
|
2604 rc = ngx_http_ssi_regex_match(r, &right, &left);
|
|
|
2605
|
|
|
2606 if (rc == NGX_OK) {
|
|
|
2607 rc = 0;
|
|
|
2608 } else if (rc == NGX_DECLINED) {
|
|
|
2609 rc = -1;
|
|
|
2610 } else {
|
|
|
2611 return rc;
|
|
100
|
2612 }
|
|
|
2613 }
|
|
|
2614
|
|
|
2615 if ((rc == 0 && !negative) || (rc != 0 && negative)) {
|
|
58
|
2616 ctx->output = 1;
|
|
178
|
2617 ctx->output_chosen = 1;
|
|
58
|
2618
|
|
|
2619 } else {
|
|
|
2620 ctx->output = 0;
|
|
|
2621 }
|
|
|
2622
|
|
178
|
2623 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
2624
|
|
58
|
2625 return NGX_OK;
|
|
100
|
2626
|
|
|
2627 invalid_expression:
|
|
|
2628
|
|
|
2629 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2630 "invalid expression in \"%V\"", expr);
|
|
|
2631
|
|
|
2632 return NGX_HTTP_SSI_ERROR;
|
|
58
|
2633 }
|
|
|
2634
|
|
|
2635
|
|
|
2636 static ngx_int_t
|
|
|
2637 ngx_http_ssi_else(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2638 ngx_str_t **params)
|
|
|
2639 {
|
|
192
|
2640 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2641 "ssi else");
|
|
|
2642
|
|
178
|
2643 if (ctx->output_chosen) {
|
|
|
2644 ctx->output = 0;
|
|
|
2645 } else {
|
|
|
2646 ctx->output = 1;
|
|
|
2647 }
|
|
|
2648
|
|
|
2649 ctx->conditional = NGX_HTTP_SSI_COND_ELSE;
|
|
58
|
2650
|
|
|
2651 return NGX_OK;
|
|
|
2652 }
|
|
|
2653
|
|
|
2654
|
|
|
2655 static ngx_int_t
|
|
|
2656 ngx_http_ssi_endif(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2657 ngx_str_t **params)
|
|
|
2658 {
|
|
192
|
2659 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2660 "ssi endif");
|
|
|
2661
|
|
58
|
2662 ctx->output = 1;
|
|
178
|
2663 ctx->output_chosen = 0;
|
|
|
2664 ctx->conditional = 0;
|
|
58
|
2665
|
|
|
2666 return NGX_OK;
|
|
|
2667 }
|
|
|
2668
|
|
|
2669
|
|
122
|
2670 static ngx_int_t
|
|
216
|
2671 ngx_http_ssi_block(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2672 ngx_str_t **params)
|
|
|
2673 {
|
|
|
2674 ngx_http_ssi_ctx_t *mctx;
|
|
|
2675 ngx_http_ssi_block_t *bl;
|
|
|
2676
|
|
|
2677 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2678 "ssi block");
|
|
|
2679
|
|
|
2680 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
2681
|
|
|
2682 if (mctx->blocks == NULL) {
|
|
|
2683 mctx->blocks = ngx_array_create(r->pool, 4,
|
|
|
2684 sizeof(ngx_http_ssi_block_t));
|
|
|
2685 if (mctx->blocks == NULL) {
|
|
|
2686 return NGX_HTTP_SSI_ERROR;
|
|
|
2687 }
|
|
|
2688 }
|
|
|
2689
|
|
|
2690 bl = ngx_array_push(mctx->blocks);
|
|
|
2691 if (bl == NULL) {
|
|
|
2692 return NGX_HTTP_SSI_ERROR;
|
|
|
2693 }
|
|
|
2694
|
|
|
2695 bl->name = *params[NGX_HTTP_SSI_BLOCK_NAME];
|
|
|
2696 bl->bufs = NULL;
|
|
|
2697 bl->count = 0;
|
|
|
2698
|
|
|
2699 ctx->output = 0;
|
|
|
2700 ctx->block = 1;
|
|
|
2701
|
|
|
2702 return NGX_OK;
|
|
|
2703 }
|
|
|
2704
|
|
|
2705
|
|
|
2706 static ngx_int_t
|
|
|
2707 ngx_http_ssi_endblock(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2708 ngx_str_t **params)
|
|
|
2709 {
|
|
|
2710 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2711 "ssi endblock");
|
|
|
2712
|
|
|
2713 ctx->output = 1;
|
|
|
2714 ctx->block = 0;
|
|
|
2715
|
|
|
2716 return NGX_OK;
|
|
|
2717 }
|
|
|
2718
|
|
|
2719
|
|
|
2720 static ngx_int_t
|
|
122
|
2721 ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
|
|
380
|
2722 ngx_http_variable_value_t *v, uintptr_t gmt)
|
|
58
|
2723 {
|
|
122
|
2724 ngx_http_ssi_ctx_t *ctx;
|
|
|
2725 ngx_time_t *tp;
|
|
|
2726 struct tm tm;
|
|
|
2727 char buf[NGX_HTTP_SSI_DATE_LEN];
|
|
|
2728
|
|
126
|
2729 v->valid = 1;
|
|
340
|
2730 v->no_cacheable = 0;
|
|
122
|
2731 v->not_found = 0;
|
|
58
|
2732
|
|
112
|
2733 tp = ngx_timeofday();
|
|
|
2734
|
|
58
|
2735 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
2736
|
|
340
|
2737 if (ctx == NULL
|
|
|
2738 || (ctx->timefmt.len == sizeof("%s") - 1
|
|
|
2739 && ctx->timefmt.data[0] == '%' && ctx->timefmt.data[1] == 's'))
|
|
58
|
2740 {
|
|
382
|
2741 v->data = ngx_pnalloc(r->pool, NGX_TIME_T_LEN);
|
|
122
|
2742 if (v->data == NULL) {
|
|
|
2743 return NGX_ERROR;
|
|
58
|
2744 }
|
|
|
2745
|
|
564
|
2746 v->len = ngx_sprintf(v->data, "%T", tp->sec) - v->data;
|
|
206
|
2747
|
|
122
|
2748 return NGX_OK;
|
|
58
|
2749 }
|
|
|
2750
|
|
|
2751 if (gmt) {
|
|
112
|
2752 ngx_libc_gmtime(tp->sec, &tm);
|
|
58
|
2753 } else {
|
|
112
|
2754 ngx_libc_localtime(tp->sec, &tm);
|
|
58
|
2755 }
|
|
|
2756
|
|
122
|
2757 v->len = strftime(buf, NGX_HTTP_SSI_DATE_LEN,
|
|
|
2758 (char *) ctx->timefmt.data, &tm);
|
|
|
2759 if (v->len == 0) {
|
|
|
2760 return NGX_ERROR;
|
|
58
|
2761 }
|
|
|
2762
|
|
382
|
2763 v->data = ngx_pnalloc(r->pool, v->len);
|
|
122
|
2764 if (v->data == NULL) {
|
|
|
2765 return NGX_ERROR;
|
|
58
|
2766 }
|
|
|
2767
|
|
122
|
2768 ngx_memcpy(v->data, buf, v->len);
|
|
|
2769
|
|
|
2770 return NGX_OK;
|
|
58
|
2771 }
|
|
|
2772
|
|
|
2773
|
|
|
2774 static ngx_int_t
|
|
146
|
2775 ngx_http_ssi_preconfiguration(ngx_conf_t *cf)
|
|
58
|
2776 {
|
|
146
|
2777 ngx_int_t rc;
|
|
|
2778 ngx_http_variable_t *var, *v;
|
|
|
2779 ngx_http_ssi_command_t *cmd;
|
|
|
2780 ngx_http_ssi_main_conf_t *smcf;
|
|
58
|
2781
|
|
|
2782 for (v = ngx_http_ssi_vars; v->name.len; v++) {
|
|
|
2783 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
2784 if (var == NULL) {
|
|
|
2785 return NGX_ERROR;
|
|
|
2786 }
|
|
|
2787
|
|
186
|
2788 var->get_handler = v->get_handler;
|
|
58
|
2789 var->data = v->data;
|
|
|
2790 }
|
|
|
2791
|
|
146
|
2792 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
2793
|
|
|
2794 for (cmd = ngx_http_ssi_commands; cmd->name.len; cmd++) {
|
|
|
2795 rc = ngx_hash_add_key(&smcf->commands, &cmd->name, cmd,
|
|
|
2796 NGX_HASH_READONLY_KEY);
|
|
|
2797
|
|
|
2798 if (rc == NGX_OK) {
|
|
|
2799 continue;
|
|
|
2800 }
|
|
|
2801
|
|
|
2802 if (rc == NGX_BUSY) {
|
|
|
2803 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2804 "conflicting SSI command \"%V\"", &cmd->name);
|
|
|
2805 }
|
|
|
2806
|
|
|
2807 return NGX_ERROR;
|
|
|
2808 }
|
|
|
2809
|
|
126
|
2810 return NGX_OK;
|
|
58
|
2811 }
|
|
|
2812
|
|
|
2813
|
|
46
|
2814 static void *
|
|
146
|
2815 ngx_http_ssi_create_main_conf(ngx_conf_t *cf)
|
|
|
2816 {
|
|
|
2817 ngx_http_ssi_main_conf_t *smcf;
|
|
|
2818
|
|
|
2819 smcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_main_conf_t));
|
|
|
2820 if (smcf == NULL) {
|
|
496
|
2821 return NULL;
|
|
146
|
2822 }
|
|
|
2823
|
|
|
2824 smcf->commands.pool = cf->pool;
|
|
|
2825 smcf->commands.temp_pool = cf->temp_pool;
|
|
|
2826
|
|
|
2827 if (ngx_hash_keys_array_init(&smcf->commands, NGX_HASH_SMALL) != NGX_OK) {
|
|
496
|
2828 return NULL;
|
|
146
|
2829 }
|
|
|
2830
|
|
|
2831 return smcf;
|
|
|
2832 }
|
|
|
2833
|
|
|
2834
|
|
|
2835 static char *
|
|
|
2836 ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
2837 {
|
|
|
2838 ngx_http_ssi_main_conf_t *smcf = conf;
|
|
|
2839
|
|
|
2840 ngx_hash_init_t hash;
|
|
|
2841
|
|
|
2842 hash.hash = &smcf->hash;
|
|
|
2843 hash.key = ngx_hash_key;
|
|
|
2844 hash.max_size = 1024;
|
|
|
2845 hash.bucket_size = ngx_cacheline_size;
|
|
|
2846 hash.name = "ssi_command_hash";
|
|
|
2847 hash.pool = cf->pool;
|
|
|
2848 hash.temp_pool = NULL;
|
|
|
2849
|
|
|
2850 if (ngx_hash_init(&hash, smcf->commands.keys.elts,
|
|
|
2851 smcf->commands.keys.nelts)
|
|
|
2852 != NGX_OK)
|
|
|
2853 {
|
|
|
2854 return NGX_CONF_ERROR;
|
|
|
2855 }
|
|
|
2856
|
|
|
2857 return NGX_CONF_OK;
|
|
|
2858 }
|
|
|
2859
|
|
|
2860
|
|
|
2861 static void *
|
|
296
|
2862 ngx_http_ssi_create_loc_conf(ngx_conf_t *cf)
|
|
46
|
2863 {
|
|
146
|
2864 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
2865
|
|
|
2866 slcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_loc_conf_t));
|
|
|
2867 if (slcf == NULL) {
|
|
496
|
2868 return NULL;
|
|
46
|
2869 }
|
|
|
2870
|
|
76
|
2871 /*
|
|
|
2872 * set by ngx_pcalloc():
|
|
|
2873 *
|
|
394
|
2874 * conf->types = { NULL };
|
|
|
2875 * conf->types_keys = NULL;
|
|
76
|
2876 */
|
|
|
2877
|
|
146
|
2878 slcf->enable = NGX_CONF_UNSET;
|
|
|
2879 slcf->silent_errors = NGX_CONF_UNSET;
|
|
|
2880 slcf->ignore_recycled_buffers = NGX_CONF_UNSET;
|
|
|
2881
|
|
|
2882 slcf->min_file_chunk = NGX_CONF_UNSET_SIZE;
|
|
|
2883 slcf->value_len = NGX_CONF_UNSET_SIZE;
|
|
|
2884
|
|
|
2885 return slcf;
|
|
46
|
2886 }
|
|
|
2887
|
|
|
2888
|
|
|
2889 static char *
|
|
296
|
2890 ngx_http_ssi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
46
|
2891 {
|
|
146
|
2892 ngx_http_ssi_loc_conf_t *prev = parent;
|
|
|
2893 ngx_http_ssi_loc_conf_t *conf = child;
|
|
46
|
2894
|
|
|
2895 ngx_conf_merge_value(conf->enable, prev->enable, 0);
|
|
|
2896 ngx_conf_merge_value(conf->silent_errors, prev->silent_errors, 0);
|
|
58
|
2897 ngx_conf_merge_value(conf->ignore_recycled_buffers,
|
|
|
2898 prev->ignore_recycled_buffers, 0);
|
|
46
|
2899
|
|
|
2900 ngx_conf_merge_size_value(conf->min_file_chunk, prev->min_file_chunk, 1024);
|
|
666
|
2901 ngx_conf_merge_size_value(conf->value_len, prev->value_len, 255);
|
|
46
|
2902
|
|
554
|
2903 if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types,
|
|
|
2904 &prev->types_keys, &prev->types,
|
|
394
|
2905 ngx_http_html_default_types)
|
|
|
2906 != NGX_OK)
|
|
|
2907 {
|
|
|
2908 return NGX_CONF_ERROR;
|
|
76
|
2909 }
|
|
|
2910
|
|
46
|
2911 return NGX_CONF_OK;
|
|
|
2912 }
|
|
|
2913
|
|
|
2914
|
|
|
2915 static ngx_int_t
|
|
230
|
2916 ngx_http_ssi_filter_init(ngx_conf_t *cf)
|
|
46
|
2917 {
|
|
|
2918 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
|
2919 ngx_http_top_header_filter = ngx_http_ssi_header_filter;
|
|
|
2920
|
|
|
2921 ngx_http_next_body_filter = ngx_http_top_body_filter;
|
|
|
2922 ngx_http_top_body_filter = ngx_http_ssi_body_filter;
|
|
|
2923
|
|
|
2924 return NGX_OK;
|
|
|
2925 }
|
