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118
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10 #include <nginx.h>
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11
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12
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13 static u_char *ngx_http_log_addr(ngx_http_request_t *r, u_char *buf,
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14 ngx_http_log_op_t *op);
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15 static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
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16 ngx_http_log_op_t *op);
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17 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf,
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18 ngx_http_log_op_t *op);
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19 static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf,
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20 ngx_http_log_op_t *op);
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21 static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf,
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22 ngx_http_log_op_t *op);
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23 static u_char *ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf,
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24 ngx_http_log_op_t *op);
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25 static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf,
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26 ngx_http_log_op_t *op);
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27 static u_char *ngx_http_log_length(ngx_http_request_t *r, u_char *buf,
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28 ngx_http_log_op_t *op);
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29 static u_char *ngx_http_log_apache_length(ngx_http_request_t *r, u_char *buf,
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30 ngx_http_log_op_t *op);
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31 static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
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32 ngx_http_log_op_t *op);
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33
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34 static size_t ngx_http_log_request_getlen(ngx_http_request_t *r,
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35 uintptr_t data);
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36 static u_char *ngx_http_log_request(ngx_http_request_t *r, u_char *buf,
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37 ngx_http_log_op_t *op);
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38
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39 static ngx_int_t ngx_http_log_header_in_compile(ngx_conf_t *cf,
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40 ngx_http_log_op_t *op, ngx_str_t *value);
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41 static size_t ngx_http_log_header_in_getlen(ngx_http_request_t *r,
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42 uintptr_t data);
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43 static u_char *ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
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44 ngx_http_log_op_t *op);
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45 static size_t ngx_http_log_unknown_header_in_getlen(ngx_http_request_t *r,
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46 uintptr_t data);
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47 static u_char *ngx_http_log_unknown_header_in(ngx_http_request_t *r,
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48 u_char *buf, ngx_http_log_op_t *op);
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49
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50 static ngx_int_t ngx_http_log_header_out_compile(ngx_conf_t *cf,
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51 ngx_http_log_op_t *op, ngx_str_t *value);
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52 static size_t ngx_http_log_header_out_getlen(ngx_http_request_t *r,
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53 uintptr_t data);
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54 static u_char *ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
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55 ngx_http_log_op_t *op);
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56 static size_t ngx_http_log_unknown_header_out_getlen(ngx_http_request_t *r,
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57 uintptr_t data);
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58 static u_char *ngx_http_log_unknown_header_out(ngx_http_request_t *r,
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59 u_char *buf, ngx_http_log_op_t *op);
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60
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61 static u_char *ngx_http_log_connection_header_out(ngx_http_request_t *r,
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62 u_char *buf, ngx_http_log_op_t *op);
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63 static u_char *ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r,
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64 u_char *buf, ngx_http_log_op_t *op);
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65
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66 static ngx_table_elt_t *ngx_http_log_unknown_header(ngx_list_t *headers,
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67 ngx_str_t *value);
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68
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69 static ngx_int_t ngx_http_log_variable_compile(ngx_conf_t *cf,
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70 ngx_http_log_op_t *op, ngx_str_t *value);
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71 static size_t ngx_http_log_variable_getlen(ngx_http_request_t *r,
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72 uintptr_t data);
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73 static u_char *ngx_http_log_variable(ngx_http_request_t *r, u_char *buf,
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74 ngx_http_log_op_t *op);
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75
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76
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77 static ngx_int_t ngx_http_log_set_formats(ngx_conf_t *cf);
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78 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf);
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79 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf);
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80 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
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81 void *child);
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82 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
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83 void *conf);
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84 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
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85 void *conf);
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86 static ngx_int_t ngx_http_log_init(ngx_cycle_t *cycle);
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87
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88
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89 static ngx_command_t ngx_http_log_commands[] = {
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90
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91 { ngx_string("log_format"),
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92 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE,
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93 ngx_http_log_set_format,
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94 NGX_HTTP_MAIN_CONF_OFFSET,
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95 0,
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96 NULL },
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97
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98 { ngx_string("access_log"),
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120
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99 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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118
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100 ngx_http_log_set_log,
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101 NGX_HTTP_LOC_CONF_OFFSET,
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102 0,
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103 NULL },
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104
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105 ngx_null_command
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106 };
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107
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108
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109 ngx_http_module_t ngx_http_log_module_ctx = {
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110 ngx_http_log_set_formats, /* preconfiguration */
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111 NULL, /* postconfiguration */
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112
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113 ngx_http_log_create_main_conf, /* create main configuration */
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114 NULL, /* init main configuration */
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115
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116 NULL, /* create server configuration */
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117 NULL, /* merge server configuration */
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118
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119 ngx_http_log_create_loc_conf, /* create location configration */
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120 ngx_http_log_merge_loc_conf /* merge location configration */
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121 };
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122
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123
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124 ngx_module_t ngx_http_log_module = {
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125 NGX_MODULE_V1,
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126 &ngx_http_log_module_ctx, /* module context */
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127 ngx_http_log_commands, /* module directives */
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128 NGX_HTTP_MODULE, /* module type */
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129 NULL, /* init master */
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130 ngx_http_log_init, /* init module */
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131 NULL, /* init process */
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132 NULL, /* init thread */
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133 NULL, /* exit thread */
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134 NULL, /* exit process */
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135 NULL, /* exit master */
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136 NGX_MODULE_V1_PADDING
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137 };
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138
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139
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140 static ngx_str_t http_access_log = ngx_string(NGX_HTTP_LOG_PATH);
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141
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142
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143 static ngx_str_t ngx_http_combined_fmt =
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144 #if 0
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145 ngx_string("$remote_addr - $remote_user [%time] "
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146 "\"$request\" %status %apache_length "
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147 "\"$http_referer\" \"$http_user_agent\"");
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148 #endif
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149 ngx_string("%addr - - [%time] "
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150 "\"%request\" %status %apache_length "
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151 "\"%{referer}i\" \"%{user-agent}i\"");
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152
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153
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154 ngx_http_log_op_name_t ngx_http_log_fmt_ops[] = {
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155 { ngx_string("addr"), INET_ADDRSTRLEN - 1, NULL, NULL, ngx_http_log_addr },
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156 { ngx_string("conn"), NGX_ATOMIC_T_LEN, NULL, NULL,
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157 ngx_http_log_connection },
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158 { ngx_string("pipe"), 1, NULL, NULL, ngx_http_log_pipe },
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159 { ngx_string("time"), sizeof("28/Sep/1970:12:00:00 +0600") - 1,
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160 NULL, NULL, ngx_http_log_time },
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161 { ngx_string("msec"), NGX_TIME_T_LEN + 4, NULL, NULL, ngx_http_log_msec },
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162 { ngx_string("request_time"), NGX_TIME_T_LEN, NULL, NULL,
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163 ngx_http_log_request_time },
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164 { ngx_string("status"), 3, NULL, NULL, ngx_http_log_status },
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165 { ngx_string("length"), NGX_OFF_T_LEN, NULL, NULL, ngx_http_log_length },
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166 { ngx_string("apache_length"), NGX_OFF_T_LEN,
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167 NULL, NULL, ngx_http_log_apache_length },
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168 { ngx_string("request_length"), NGX_SIZE_T_LEN,
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169 NULL, NULL, ngx_http_log_request_length },
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170
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171 { ngx_string("request"), 0, NULL,
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172 ngx_http_log_request_getlen,
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173 ngx_http_log_request },
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174
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175 { ngx_string("i"), 0, ngx_http_log_header_in_compile, NULL,
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176 ngx_http_log_header_in },
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177 { ngx_string("o"), 0, ngx_http_log_header_out_compile, NULL,
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178 ngx_http_log_header_out },
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179 { ngx_string("v"), 0, ngx_http_log_variable_compile, NULL,
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180 ngx_http_log_variable },
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181
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182 { ngx_null_string, 0, NULL, NULL, NULL }
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183 };
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184
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185
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186 ngx_int_t
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187 ngx_http_log_handler(ngx_http_request_t *r)
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188 {
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189 ngx_uint_t i, l;
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190 u_char *line, *p;
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191 size_t len;
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192 ngx_http_log_t *log;
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120
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193 ngx_open_file_t *file;
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118
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194 ngx_http_log_op_t *op;
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195 ngx_http_log_loc_conf_t *lcf;
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196
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197 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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198 "http log handler");
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199
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200 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module);
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201
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202 if (lcf->off) {
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203 return NGX_OK;
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204 }
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205
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206 log = lcf->logs->elts;
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207 for (l = 0; l < lcf->logs->nelts; l++) {
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208
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209 len = 0;
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210 op = log[l].ops->elts;
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211 for (i = 0; i < log[l].ops->nelts; i++) {
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212 if (op[i].len == 0) {
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213 len += op[i].getlen(r, op[i].data);
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214
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215 } else {
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216 len += op[i].len;
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217 }
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218 }
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219
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220 len += NGX_LINEFEED_SIZE;
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221
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222 file = log[l].file;
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223
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224 if (file->buffer) {
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225
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226 if (len > (size_t) (file->last - file->pos)) {
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227
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228 ngx_write_fd(file->fd, file->buffer, file->pos - file->buffer);
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229
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230 file->pos = file->buffer;
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231 }
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232
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233 if (len <= (size_t) (file->last - file->pos)) {
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234
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235 p = file->pos;
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236
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237 for (i = 0; i < log[l].ops->nelts; i++) {
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238 p = op[i].run(r, p, &op[i]);
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239 }
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240
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241 ngx_linefeed(p);
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242
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243 file->pos = p;
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244
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245 continue;
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246 }
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247 }
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118
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248
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249 line = ngx_palloc(r->pool, len);
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250 if (line == NULL) {
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251 return NGX_ERROR;
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252 }
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253
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254 p = line;
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255
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256 for (i = 0; i < log[l].ops->nelts; i++) {
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257 p = op[i].run(r, p, &op[i]);
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258 }
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259
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120
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260 ngx_linefeed(p);
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261
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262 ngx_write_fd(file->fd, line, p - line);
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118
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263 }
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264
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265 return NGX_OK;
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266 }
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267
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268
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269 static u_char *
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270 ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf,
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271 ngx_http_log_op_t *op)
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272 {
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273 size_t len;
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274 uintptr_t data;
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275
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276 len = op->len;
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277 data = op->data;
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278
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279 while (len--) {
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280 *buf++ = (u_char) (data & 0xff);
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281 data >>= 8;
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282 }
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283
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284 return buf;
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285 }
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286
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287
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288 static u_char *
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289 ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf,
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290 ngx_http_log_op_t *op)
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291 {
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292 return ngx_cpymem(buf, (u_char *) op->data, op->len);
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293 }
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294
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295
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296 static u_char *
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297 ngx_http_log_addr(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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298 {
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299 return ngx_cpymem(buf, r->connection->addr_text.data,
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300 r->connection->addr_text.len);
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301 }
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302
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303
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304 static u_char *
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305 ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
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306 ngx_http_log_op_t *op)
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307 {
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308 return ngx_sprintf(buf, "%ui", r->connection->number);
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309 }
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310
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311
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312 static u_char *
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313 ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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314 {
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315 if (r->pipeline) {
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316 *buf = 'p';
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317 } else {
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318 *buf = '.';
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319 }
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320
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321 return buf + 1;
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322 }
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323
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324
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325 static u_char *
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326 ngx_http_log_time(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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327 {
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328 return ngx_cpymem(buf, ngx_cached_http_log_time.data,
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329 ngx_cached_http_log_time.len);
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330 }
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331
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332
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333 static u_char *
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334 ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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335 {
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336 ngx_time_t *tp;
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337
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338 tp = ngx_timeofday();
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339
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340 return ngx_sprintf(buf, "%T.%03M", tp->sec, tp->msec);
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341 }
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342
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343
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344 static u_char *
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345 ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf,
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346 ngx_http_log_op_t *op)
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347 {
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348 time_t elapsed;
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349
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350 elapsed = ngx_time() - r->start_time;
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351
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352 return ngx_sprintf(buf, "%T", elapsed);
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353 }
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354
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355
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356 static size_t
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357 ngx_http_log_request_getlen(ngx_http_request_t *r, uintptr_t data)
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358 {
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359 return r->request_line.len;
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360 }
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361
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362
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363 static u_char *
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364 ngx_http_log_request(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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|
|
365 {
|
|
|
366 return ngx_cpymem(buf, r->request_line.data, r->request_line.len);
|
|
|
367 }
|
|
|
368
|
|
|
369
|
|
|
370 static u_char *
|
|
|
371 ngx_http_log_status(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
372 {
|
|
|
373 return ngx_sprintf(buf, "%ui",
|
|
|
374 r->err_status ? r->err_status : r->headers_out.status);
|
|
|
375 }
|
|
|
376
|
|
|
377
|
|
|
378 static u_char *
|
|
|
379 ngx_http_log_length(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
380 {
|
|
|
381 return ngx_sprintf(buf, "%O", r->connection->sent);
|
|
|
382 }
|
|
|
383
|
|
|
384
|
|
|
385 static u_char *
|
|
|
386 ngx_http_log_apache_length(ngx_http_request_t *r, u_char *buf,
|
|
|
387 ngx_http_log_op_t *op)
|
|
|
388 {
|
|
|
389 off_t length;
|
|
|
390
|
|
|
391 length = r->connection->sent - r->header_size;
|
|
|
392
|
|
|
393 if (length > 0) {
|
|
|
394 return ngx_sprintf(buf, "%O", length);
|
|
|
395 }
|
|
|
396
|
|
|
397 *buf = '0';
|
|
|
398
|
|
|
399 return buf + 1;
|
|
|
400 }
|
|
|
401
|
|
|
402
|
|
|
403 static u_char *
|
|
|
404 ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
|
|
|
405 ngx_http_log_op_t *op)
|
|
|
406 {
|
|
|
407 return ngx_sprintf(buf, "%z", r->request_length);
|
|
|
408 }
|
|
|
409
|
|
|
410
|
|
|
411 static ngx_int_t
|
|
|
412 ngx_http_log_header_in_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
|
413 ngx_str_t *value)
|
|
|
414 {
|
|
|
415 ngx_uint_t i;
|
|
|
416
|
|
|
417 op->len = 0;
|
|
|
418
|
|
|
419 for (i = 0; ngx_http_headers_in[i].name.len != 0; i++) {
|
|
|
420
|
|
|
421 if (ngx_http_headers_in[i].name.len != value->len) {
|
|
|
422 continue;
|
|
|
423 }
|
|
|
424
|
|
|
425 /* STUB: "Cookie" speacial handling */
|
|
|
426 if (ngx_http_headers_in[i].offset == 0) {
|
|
|
427 continue;
|
|
|
428 }
|
|
|
429
|
|
|
430 if (ngx_strncasecmp(ngx_http_headers_in[i].name.data, value->data,
|
|
|
431 value->len) == 0)
|
|
|
432 {
|
|
|
433 op->getlen = ngx_http_log_header_in_getlen;
|
|
|
434 op->run = ngx_http_log_header_in;
|
|
|
435 op->data = ngx_http_headers_in[i].offset;
|
|
|
436
|
|
|
437 return NGX_OK;
|
|
|
438 }
|
|
|
439 }
|
|
|
440
|
|
|
441 op->getlen = ngx_http_log_unknown_header_in_getlen;
|
|
|
442 op->run = ngx_http_log_unknown_header_in;
|
|
|
443 op->data = (uintptr_t) value;
|
|
|
444
|
|
|
445 return NGX_OK;
|
|
|
446 }
|
|
|
447
|
|
|
448
|
|
|
449 static size_t
|
|
|
450 ngx_http_log_header_in_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
451 {
|
|
|
452 ngx_table_elt_t *h;
|
|
|
453
|
|
|
454 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + data);
|
|
|
455
|
|
|
456 if (h) {
|
|
|
457 return h->value.len;
|
|
|
458 }
|
|
|
459
|
|
|
460 return 1;
|
|
|
461 }
|
|
|
462
|
|
|
463
|
|
|
464 static u_char *
|
|
|
465 ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
|
|
|
466 ngx_http_log_op_t *op)
|
|
|
467 {
|
|
|
468 ngx_table_elt_t *h;
|
|
|
469
|
|
|
470 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + op->data);
|
|
|
471
|
|
|
472 if (h) {
|
|
|
473 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
474 }
|
|
|
475
|
|
|
476 *buf = '-';
|
|
|
477
|
|
|
478 return buf + 1;
|
|
|
479 }
|
|
|
480
|
|
|
481
|
|
|
482 static size_t
|
|
|
483 ngx_http_log_unknown_header_in_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
484 {
|
|
|
485 ngx_table_elt_t *h;
|
|
|
486
|
|
|
487 h = ngx_http_log_unknown_header(&r->headers_in.headers, (ngx_str_t *) data);
|
|
|
488
|
|
|
489 if (h) {
|
|
|
490 return h->value.len;
|
|
|
491 }
|
|
|
492
|
|
|
493 return 1;
|
|
|
494 }
|
|
|
495
|
|
|
496
|
|
|
497 static u_char *
|
|
|
498 ngx_http_log_unknown_header_in(ngx_http_request_t *r, u_char *buf,
|
|
|
499 ngx_http_log_op_t *op)
|
|
|
500 {
|
|
|
501 ngx_table_elt_t *h;
|
|
|
502
|
|
|
503 h = ngx_http_log_unknown_header(&r->headers_in.headers,
|
|
|
504 (ngx_str_t *) op->data);
|
|
|
505
|
|
|
506 if (h) {
|
|
|
507 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
508 }
|
|
|
509
|
|
|
510 *buf = '-';
|
|
|
511
|
|
|
512 return buf + 1;
|
|
|
513 }
|
|
|
514
|
|
|
515
|
|
|
516 static ngx_int_t
|
|
|
517 ngx_http_log_header_out_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
|
518 ngx_str_t *value)
|
|
|
519 {
|
|
|
520 ngx_uint_t i;
|
|
|
521
|
|
|
522 op->len = 0;
|
|
|
523
|
|
|
524 for (i = 0; ngx_http_headers_out[i].name.len != 0; i++) {
|
|
|
525
|
|
|
526 if (ngx_http_headers_out[i].name.len != value->len) {
|
|
|
527 continue;
|
|
|
528 }
|
|
|
529
|
|
|
530 if (ngx_strncasecmp(ngx_http_headers_out[i].name.data, value->data,
|
|
|
531 value->len) == 0)
|
|
|
532 {
|
|
|
533 op->getlen = ngx_http_log_header_out_getlen;
|
|
|
534 op->run = ngx_http_log_header_out;
|
|
|
535 op->data = ngx_http_headers_out[i].offset;
|
|
|
536
|
|
|
537 return NGX_OK;
|
|
|
538 }
|
|
|
539 }
|
|
|
540
|
|
|
541 if (value->len == sizeof("Connection") - 1
|
|
|
542 && ngx_strncasecmp(value->data, "Connection", value->len) == 0)
|
|
|
543 {
|
|
|
544 op->len = sizeof("keep-alive") - 1;
|
|
|
545 op->getlen = NULL;
|
|
|
546 op->run = ngx_http_log_connection_header_out;
|
|
|
547 op->data = 0;
|
|
|
548 return NGX_OK;
|
|
|
549 }
|
|
|
550
|
|
|
551 if (value->len == sizeof("Transfer-Encoding") - 1
|
|
|
552 && ngx_strncasecmp(value->data, "Transfer-Encoding", value->len) == 0)
|
|
|
553 {
|
|
|
554 op->len = sizeof("chunked") - 1;
|
|
|
555 op->getlen = NULL;
|
|
|
556 op->run = ngx_http_log_transfer_encoding_header_out;
|
|
|
557 op->data = 0;
|
|
|
558 return NGX_OK;
|
|
|
559 }
|
|
|
560
|
|
|
561 op->getlen = ngx_http_log_unknown_header_out_getlen;
|
|
|
562 op->run = ngx_http_log_unknown_header_out;
|
|
|
563 op->data = (uintptr_t) value;
|
|
|
564
|
|
|
565 return NGX_OK;
|
|
|
566 }
|
|
|
567
|
|
|
568
|
|
|
569 static size_t
|
|
|
570 ngx_http_log_header_out_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
571 {
|
|
|
572 ngx_table_elt_t *h;
|
|
|
573
|
|
|
574 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + data);
|
|
|
575
|
|
|
576 if (h) {
|
|
|
577 return h->value.len;
|
|
|
578 }
|
|
|
579
|
|
|
580 /*
|
|
|
581 * No header pointer was found.
|
|
|
582 * However, some headers: "Date", "Server", "Content-Length",
|
|
|
583 * and "Last-Modified" have a special handling in the header filter,
|
|
|
584 * but we do not set up their pointers in the filter,
|
|
|
585 * because they are too seldom needed to be logged.
|
|
|
586 */
|
|
|
587
|
|
|
588 if (data == offsetof(ngx_http_headers_out_t, date)) {
|
|
|
589 return ngx_cached_http_time.len;
|
|
|
590 }
|
|
|
591
|
|
|
592 if (data == offsetof(ngx_http_headers_out_t, server)) {
|
|
|
593 return (sizeof(NGINX_VER) - 1);
|
|
|
594 }
|
|
|
595
|
|
|
596 if (data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
|
597 if (r->headers_out.content_length_n == -1) {
|
|
|
598 return 1;
|
|
|
599 }
|
|
|
600
|
|
|
601 return NGX_OFF_T_LEN;
|
|
|
602 }
|
|
|
603
|
|
|
604 if (data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
|
605 if (r->headers_out.last_modified_time == -1) {
|
|
|
606 return 1;
|
|
|
607 }
|
|
|
608
|
|
|
609 return sizeof("Mon, 28 Sep 1970 06:00:00 GMT") - 1;
|
|
|
610 }
|
|
|
611
|
|
|
612 return 1;
|
|
|
613 }
|
|
|
614
|
|
|
615
|
|
|
616 static u_char *
|
|
|
617 ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
618 ngx_http_log_op_t *op)
|
|
|
619 {
|
|
|
620 ngx_table_elt_t *h;
|
|
|
621
|
|
|
622 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + op->data);
|
|
|
623
|
|
|
624 if (h) {
|
|
|
625 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
626 }
|
|
|
627
|
|
|
628 /*
|
|
|
629 * No header pointer was found.
|
|
|
630 * However, some headers: "Date", "Server", "Content-Length",
|
|
|
631 * and "Last-Modified" have a special handling in the header filter,
|
|
|
632 * but we do not set up their pointers in the filter,
|
|
|
633 * because they are too seldom needed to be logged.
|
|
|
634 */
|
|
|
635
|
|
|
636 if (op->data == offsetof(ngx_http_headers_out_t, date)) {
|
|
|
637 return ngx_cpymem(buf, ngx_cached_http_time.data,
|
|
|
638 ngx_cached_http_time.len);
|
|
|
639 }
|
|
|
640
|
|
|
641 if (op->data == offsetof(ngx_http_headers_out_t, server)) {
|
|
|
642 return ngx_cpymem(buf, NGINX_VER, sizeof(NGINX_VER) - 1);
|
|
|
643 }
|
|
|
644
|
|
|
645 if (op->data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
|
646 if (r->headers_out.content_length_n == -1) {
|
|
|
647 *buf = '-';
|
|
|
648
|
|
|
649 return buf + 1;
|
|
|
650 }
|
|
|
651
|
|
|
652 return ngx_sprintf(buf, "%O", r->headers_out.content_length_n);
|
|
|
653 }
|
|
|
654
|
|
|
655 if (op->data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
|
656 if (r->headers_out.last_modified_time == -1) {
|
|
|
657 *buf = '-';
|
|
|
658
|
|
|
659 return buf + 1;
|
|
|
660 }
|
|
|
661
|
|
|
662 return ngx_http_time(buf, r->headers_out.last_modified_time);
|
|
|
663 }
|
|
|
664
|
|
|
665 *buf = '-';
|
|
|
666
|
|
|
667 return buf + 1;
|
|
|
668 }
|
|
|
669
|
|
|
670
|
|
|
671 static size_t
|
|
|
672 ngx_http_log_unknown_header_out_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
673 {
|
|
|
674 ngx_table_elt_t *h;
|
|
|
675
|
|
|
676 h = ngx_http_log_unknown_header(&r->headers_out.headers,
|
|
|
677 (ngx_str_t *) data);
|
|
|
678
|
|
|
679 if (h) {
|
|
|
680 return h->value.len;
|
|
|
681 }
|
|
|
682
|
|
|
683 return 1;
|
|
|
684 }
|
|
|
685
|
|
|
686
|
|
|
687 static u_char *
|
|
|
688 ngx_http_log_unknown_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
689 ngx_http_log_op_t *op)
|
|
|
690 {
|
|
|
691 ngx_table_elt_t *h;
|
|
|
692
|
|
|
693 h = ngx_http_log_unknown_header(&r->headers_out.headers,
|
|
|
694 (ngx_str_t *) op->data);
|
|
|
695
|
|
|
696 if (h) {
|
|
|
697 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
698 }
|
|
|
699
|
|
|
700 *buf = '-';
|
|
|
701
|
|
|
702 return buf + 1;
|
|
|
703 }
|
|
|
704
|
|
|
705
|
|
|
706 static ngx_table_elt_t *
|
|
|
707 ngx_http_log_unknown_header(ngx_list_t *headers, ngx_str_t *value)
|
|
|
708 {
|
|
|
709 ngx_uint_t i;
|
|
|
710 ngx_list_part_t *part;
|
|
|
711 ngx_table_elt_t *h;
|
|
|
712
|
|
|
713 part = &headers->part;
|
|
|
714 h = part->elts;
|
|
|
715
|
|
|
716 for (i = 0; /* void */; i++) {
|
|
|
717
|
|
|
718 if (i >= part->nelts) {
|
|
|
719 if (part->next == NULL) {
|
|
|
720 break;
|
|
|
721 }
|
|
|
722
|
|
|
723 part = part->next;
|
|
|
724 h = part->elts;
|
|
|
725 i = 0;
|
|
|
726 }
|
|
|
727
|
|
|
728 if (h[i].key.len != value->len) {
|
|
|
729 continue;
|
|
|
730 }
|
|
|
731
|
|
|
732 if (ngx_strncasecmp(h[i].key.data, value->data, value->len) == 0) {
|
|
|
733 return &h[i];
|
|
|
734 }
|
|
|
735 }
|
|
|
736
|
|
|
737 return NULL;
|
|
|
738 }
|
|
|
739
|
|
|
740
|
|
|
741 static u_char *
|
|
|
742 ngx_http_log_connection_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
743 ngx_http_log_op_t *op)
|
|
|
744 {
|
|
|
745 if (r->keepalive) {
|
|
|
746 return ngx_cpymem(buf, "keep-alive", sizeof("keep-alive") - 1);
|
|
|
747
|
|
|
748 } else {
|
|
|
749 return ngx_cpymem(buf, "close", sizeof("close") - 1);
|
|
|
750 }
|
|
|
751 }
|
|
|
752
|
|
|
753
|
|
|
754 static u_char *
|
|
|
755 ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
756 ngx_http_log_op_t *op)
|
|
|
757 {
|
|
|
758 if (r->chunked) {
|
|
|
759 return ngx_cpymem(buf, "chunked", sizeof("chunked") - 1);
|
|
|
760 }
|
|
|
761
|
|
|
762 *buf = '-';
|
|
|
763
|
|
|
764 return buf + 1;
|
|
|
765 }
|
|
|
766
|
|
|
767
|
|
|
768 static ngx_int_t
|
|
|
769 ngx_http_log_variable_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
|
770 ngx_str_t *value)
|
|
|
771 {
|
|
|
772 ngx_int_t index;
|
|
|
773
|
|
|
774 index = ngx_http_get_variable_index(cf, value);
|
|
|
775 if (index == NGX_ERROR) {
|
|
|
776 return NGX_ERROR;
|
|
|
777 }
|
|
|
778
|
|
|
779 op->len = 0;
|
|
|
780 op->getlen = ngx_http_log_variable_getlen;
|
|
|
781 op->run = ngx_http_log_variable;
|
|
|
782 op->data = index;
|
|
|
783
|
|
|
784 return NGX_OK;
|
|
|
785 }
|
|
|
786
|
|
|
787
|
|
|
788 static size_t
|
|
|
789 ngx_http_log_variable_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
790 {
|
|
|
791 ngx_http_variable_value_t *value;
|
|
|
792
|
|
|
793 value = ngx_http_get_indexed_variable(r, data);
|
|
|
794
|
|
|
795 if (value == NULL
|
|
|
796 || value == NGX_HTTP_VAR_NOT_FOUND
|
|
|
797 || value->text.len == 0)
|
|
|
798 {
|
|
|
799 return 1;
|
|
|
800 }
|
|
|
801
|
|
|
802 return value->text.len;
|
|
|
803 }
|
|
|
804
|
|
|
805
|
|
|
806 static u_char *
|
|
|
807 ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
808 {
|
|
|
809 ngx_http_variable_value_t *value;
|
|
|
810
|
|
|
811 value = ngx_http_get_indexed_variable(r, op->data);
|
|
|
812
|
|
|
813 if (value == NULL
|
|
|
814 || value == NGX_HTTP_VAR_NOT_FOUND
|
|
|
815 || value->text.len == 0)
|
|
|
816 {
|
|
|
817 *buf = '-';
|
|
|
818 return buf + 1;
|
|
|
819 }
|
|
|
820
|
|
|
821 return ngx_cpymem(buf, value->text.data, value->text.len);
|
|
|
822 }
|
|
|
823
|
|
|
824
|
|
|
825 static ngx_int_t
|
|
|
826 ngx_http_log_set_formats(ngx_conf_t *cf)
|
|
|
827 {
|
|
|
828 ngx_http_log_op_name_t *op;
|
|
|
829
|
|
|
830 for (op = ngx_http_log_fmt_ops; op->name.len; op++) { /* void */ }
|
|
|
831 op->run = NULL;
|
|
|
832
|
|
|
833 return NGX_OK;
|
|
|
834 }
|
|
|
835
|
|
|
836
|
|
|
837 static void *
|
|
|
838 ngx_http_log_create_main_conf(ngx_conf_t *cf)
|
|
|
839 {
|
|
|
840 ngx_http_log_main_conf_t *conf;
|
|
|
841
|
|
|
842 char *rc;
|
|
|
843 ngx_str_t *value;
|
|
|
844
|
|
|
845 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t));
|
|
|
846 if (conf == NULL) {
|
|
|
847 return NGX_CONF_ERROR;
|
|
|
848 }
|
|
|
849
|
|
|
850 if (ngx_array_init(&conf->formats, cf->pool, 4, sizeof(ngx_http_log_fmt_t))
|
|
|
851 == NGX_ERROR)
|
|
|
852 {
|
|
|
853 return NGX_CONF_ERROR;
|
|
|
854 }
|
|
|
855
|
|
|
856 cf->args->nelts = 0;
|
|
|
857
|
|
|
858 value = ngx_array_push(cf->args);
|
|
|
859 if (value == NULL) {
|
|
|
860 return NGX_CONF_ERROR;
|
|
|
861 }
|
|
|
862
|
|
|
863 value->len = 0;
|
|
|
864 value->data = NULL;
|
|
|
865
|
|
|
866 value = ngx_array_push(cf->args);
|
|
|
867 if (value == NULL) {
|
|
|
868 return NGX_CONF_ERROR;
|
|
|
869 }
|
|
|
870
|
|
|
871 value->len = sizeof("combined") - 1;
|
|
|
872 value->data = (u_char *) "combined";
|
|
|
873
|
|
|
874 value = ngx_array_push(cf->args);
|
|
|
875 if (value == NULL) {
|
|
|
876 return NGX_CONF_ERROR;
|
|
|
877 }
|
|
|
878
|
|
|
879 *value = ngx_http_combined_fmt;
|
|
|
880
|
|
|
881 rc = ngx_http_log_set_format(cf, NULL, conf);
|
|
|
882 if (rc != NGX_CONF_OK) {
|
|
|
883 return NGX_CONF_ERROR;
|
|
|
884 }
|
|
|
885
|
|
|
886 return conf;
|
|
|
887 }
|
|
|
888
|
|
|
889
|
|
|
890 static void *
|
|
|
891 ngx_http_log_create_loc_conf(ngx_conf_t *cf)
|
|
|
892 {
|
|
|
893 ngx_http_log_loc_conf_t *conf;
|
|
|
894
|
|
|
895 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t));
|
|
|
896 if (conf == NULL) {
|
|
|
897 return NGX_CONF_ERROR;
|
|
|
898 }
|
|
|
899
|
|
|
900 return conf;
|
|
|
901 }
|
|
|
902
|
|
|
903
|
|
|
904 static char *
|
|
|
905 ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
906 {
|
|
|
907 ngx_http_log_loc_conf_t *prev = parent;
|
|
|
908 ngx_http_log_loc_conf_t *conf = child;
|
|
|
909
|
|
|
910 ngx_http_log_t *log;
|
|
|
911 ngx_http_log_fmt_t *fmt;
|
|
|
912 ngx_http_log_main_conf_t *lmcf;
|
|
|
913
|
|
|
914 if (conf->logs == NULL) {
|
|
|
915
|
|
|
916 if (conf->off) {
|
|
|
917 return NGX_CONF_OK;
|
|
|
918 }
|
|
|
919
|
|
|
920 if (prev->logs) {
|
|
|
921 conf->logs = prev->logs;
|
|
|
922
|
|
|
923 } else {
|
|
|
924
|
|
|
925 if (prev->off) {
|
|
|
926 conf->off = prev->off;
|
|
|
927 return NGX_CONF_OK;
|
|
|
928 }
|
|
|
929
|
|
|
930 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
931 if (conf->logs == NULL) {
|
|
|
932 return NGX_CONF_ERROR;
|
|
|
933 }
|
|
|
934
|
|
|
935 log = ngx_array_push(conf->logs);
|
|
|
936 if (log == NULL) {
|
|
|
937 return NGX_CONF_ERROR;
|
|
|
938 }
|
|
|
939
|
|
|
940 log->file = ngx_conf_open_file(cf->cycle, &http_access_log);
|
|
|
941 if (log->file == NULL) {
|
|
|
942 return NGX_CONF_ERROR;
|
|
|
943 }
|
|
|
944
|
|
|
945 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
946 fmt = lmcf->formats.elts;
|
|
|
947
|
|
|
948 /* the default "combined" format */
|
|
|
949 log->ops = fmt[0].ops;
|
|
|
950 }
|
|
|
951 }
|
|
|
952
|
|
|
953 return NGX_CONF_OK;
|
|
|
954 }
|
|
|
955
|
|
|
956
|
|
|
957 static char *
|
|
|
958 ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
959 {
|
|
|
960 ngx_http_log_loc_conf_t *llcf = conf;
|
|
|
961
|
|
120
|
962 ssize_t buf;
|
|
118
|
963 ngx_uint_t i;
|
|
|
964 ngx_str_t *value, name;
|
|
|
965 ngx_http_log_t *log;
|
|
|
966 ngx_http_log_fmt_t *fmt;
|
|
|
967 ngx_http_log_main_conf_t *lmcf;
|
|
|
968
|
|
|
969 value = cf->args->elts;
|
|
|
970
|
|
|
971 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
972 llcf->off = 1;
|
|
|
973 return NGX_CONF_OK;
|
|
|
974 }
|
|
|
975
|
|
|
976 if (llcf->logs == NULL) {
|
|
|
977 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
978 if (llcf->logs == NULL) {
|
|
|
979 return NGX_CONF_ERROR;
|
|
|
980 }
|
|
|
981 }
|
|
|
982
|
|
|
983 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
984
|
|
|
985 log = ngx_array_push(llcf->logs);
|
|
|
986 if (log == NULL) {
|
|
|
987 return NGX_CONF_ERROR;
|
|
|
988 }
|
|
|
989
|
|
|
990 log->file = ngx_conf_open_file(cf->cycle, &value[1]);
|
|
|
991 if (log->file == NULL) {
|
|
|
992 return NGX_CONF_ERROR;
|
|
|
993 }
|
|
|
994
|
|
120
|
995 if (cf->args->nelts >= 3) {
|
|
118
|
996 name = value[2];
|
|
|
997 } else {
|
|
|
998 name.len = sizeof("combined") - 1;
|
|
|
999 name.data = (u_char *) "combined";
|
|
|
1000 }
|
|
|
1001
|
|
|
1002 fmt = lmcf->formats.elts;
|
|
|
1003 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
1004 if (fmt[i].name.len == name.len
|
|
|
1005 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0)
|
|
|
1006 {
|
|
|
1007 log->ops = fmt[i].ops;
|
|
120
|
1008 goto buffer;
|
|
118
|
1009 }
|
|
|
1010 }
|
|
|
1011
|
|
|
1012 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1013 "unknown log format \"%V\"", &name);
|
|
120
|
1014 return NGX_CONF_ERROR;
|
|
118
|
1015
|
|
120
|
1016 buffer:
|
|
|
1017
|
|
|
1018 if (cf->args->nelts == 4) {
|
|
|
1019 if (ngx_strncmp(value[3].data, "buffer=", 7) != 0) {
|
|
|
1020 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1021 "invalid parameter \"%V\"", &value[3]);
|
|
|
1022 return NGX_CONF_ERROR;
|
|
|
1023 }
|
|
|
1024
|
|
|
1025 name.len = value[3].len - 7;
|
|
|
1026 name.data = value[3].data + 7;
|
|
|
1027
|
|
|
1028 buf = ngx_parse_size(&name);
|
|
|
1029
|
|
|
1030 if (buf == NGX_ERROR) {
|
|
|
1031 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1032 "invalid parameter \"%V\"", &value[3]);
|
|
|
1033 return NGX_CONF_ERROR;
|
|
|
1034 }
|
|
|
1035
|
|
|
1036 if (log->file->buffer && log->file->last - log->file->pos != buf) {
|
|
|
1037 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1038 "access_log \"%V\" already defined "
|
|
|
1039 "with different buffer size", &value[1]);
|
|
|
1040 return NGX_CONF_ERROR;
|
|
|
1041 }
|
|
|
1042
|
|
|
1043 log->file->buffer = ngx_palloc(cf->pool, buf);
|
|
|
1044 if (log->file->buffer == NULL) {
|
|
|
1045 return NGX_CONF_ERROR;
|
|
|
1046 }
|
|
|
1047
|
|
|
1048 log->file->pos = log->file->buffer;
|
|
|
1049 log->file->last = log->file->buffer + buf;
|
|
|
1050 }
|
|
|
1051
|
|
|
1052 return NGX_CONF_OK;
|
|
118
|
1053 }
|
|
|
1054
|
|
|
1055
|
|
|
1056 static char *
|
|
|
1057 ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1058 {
|
|
|
1059 ngx_http_log_main_conf_t *lmcf = conf;
|
|
|
1060
|
|
|
1061 u_char *data, *p, *fname, ch;
|
|
|
1062 size_t i, len, fname_len;
|
|
|
1063 ngx_str_t *value, var, arg, *a;
|
|
|
1064 ngx_uint_t s, f, bracket;
|
|
|
1065 ngx_http_log_op_t *op;
|
|
|
1066 ngx_http_log_fmt_t *fmt;
|
|
|
1067 ngx_http_log_op_name_t *name;
|
|
|
1068
|
|
|
1069 value = cf->args->elts;
|
|
|
1070
|
|
|
1071 fmt = lmcf->formats.elts;
|
|
|
1072 for (f = 0; f < lmcf->formats.nelts; f++) {
|
|
|
1073 if (fmt[f].name.len == value[1].len
|
|
|
1074 && ngx_strcmp(fmt->name.data, value[1].data) == 0)
|
|
|
1075 {
|
|
|
1076 return "duplicate \"log_format\" name";
|
|
|
1077 }
|
|
|
1078 }
|
|
|
1079
|
|
|
1080 fmt = ngx_array_push(&lmcf->formats);
|
|
|
1081 if (fmt == NULL) {
|
|
|
1082 return NGX_CONF_ERROR;
|
|
|
1083 }
|
|
|
1084
|
|
|
1085 fmt->name = value[1];
|
|
|
1086
|
|
|
1087 fmt->ops = ngx_array_create(cf->pool, 20, sizeof(ngx_http_log_op_t));
|
|
|
1088 if (fmt->ops == NULL) {
|
|
|
1089 return NGX_CONF_ERROR;
|
|
|
1090 }
|
|
|
1091
|
|
|
1092 arg.data = NULL;
|
|
|
1093
|
|
|
1094 for (s = 2; s < cf->args->nelts; s++) {
|
|
|
1095
|
|
|
1096 i = 0;
|
|
|
1097
|
|
|
1098 while (i < value[s].len) {
|
|
|
1099
|
|
|
1100 op = ngx_array_push(fmt->ops);
|
|
|
1101 if (op == NULL) {
|
|
|
1102 return NGX_CONF_ERROR;
|
|
|
1103 }
|
|
|
1104
|
|
|
1105 data = &value[s].data[i];
|
|
|
1106
|
|
|
1107 if (value[s].data[i] == '%') {
|
|
|
1108 i++;
|
|
|
1109
|
|
|
1110 if (i == value[s].len) {
|
|
|
1111 goto invalid;
|
|
|
1112 }
|
|
|
1113
|
|
|
1114 if (value[s].data[i] == '{') {
|
|
|
1115 i++;
|
|
|
1116
|
|
|
1117 arg.data = &value[s].data[i];
|
|
|
1118
|
|
|
1119 while (i < value[s].len && value[s].data[i] != '}') {
|
|
|
1120 i++;
|
|
|
1121 }
|
|
|
1122
|
|
|
1123 arg.len = &value[s].data[i] - arg.data;
|
|
|
1124
|
|
|
1125 if (i == value[s].len || arg.len == 0) {
|
|
|
1126 goto invalid;
|
|
|
1127 }
|
|
|
1128
|
|
|
1129 i++;
|
|
|
1130
|
|
|
1131 } else {
|
|
|
1132 arg.len = 0;
|
|
|
1133 }
|
|
|
1134
|
|
|
1135 fname = &value[s].data[i];
|
|
|
1136
|
|
|
1137 while (i < value[s].len
|
|
|
1138 && ((value[s].data[i] >= 'a' && value[s].data[i] <= 'z')
|
|
|
1139 || value[s].data[i] == '_'))
|
|
|
1140 {
|
|
|
1141 i++;
|
|
|
1142 }
|
|
|
1143
|
|
|
1144 fname_len = &value[s].data[i] - fname;
|
|
|
1145
|
|
|
1146 if (fname_len == 0) {
|
|
|
1147 goto invalid;
|
|
|
1148 }
|
|
|
1149
|
|
|
1150 for (name = ngx_http_log_fmt_ops; name->run; name++) {
|
|
|
1151 if (name->name.len == 0) {
|
|
|
1152 name = (ngx_http_log_op_name_t *) name->run;
|
|
|
1153 }
|
|
|
1154
|
|
|
1155 if (name->name.len == fname_len
|
|
|
1156 && ngx_strncmp(name->name.data, fname, fname_len) == 0)
|
|
|
1157 {
|
|
|
1158 if (name->compile == NULL) {
|
|
|
1159 if (arg.len) {
|
|
|
1160 fname[fname_len] = '\0';
|
|
|
1161 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1162 "\"%s\" must not have argument",
|
|
|
1163 data);
|
|
|
1164 return NGX_CONF_ERROR;
|
|
|
1165 }
|
|
|
1166
|
|
|
1167 op->len = name->len;
|
|
|
1168 op->getlen = name->getlen;
|
|
|
1169 op->run = name->run;
|
|
|
1170 op->data = 0;
|
|
|
1171
|
|
|
1172 break;
|
|
|
1173 }
|
|
|
1174
|
|
|
1175 if (arg.len == 0) {
|
|
|
1176 fname[fname_len] = '\0';
|
|
|
1177 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1178 "\"%s\" requires argument",
|
|
|
1179 data);
|
|
|
1180 return NGX_CONF_ERROR;
|
|
|
1181 }
|
|
|
1182
|
|
|
1183 a = ngx_palloc(cf->pool, sizeof(ngx_str_t));
|
|
|
1184 if (a == NULL) {
|
|
|
1185 return NGX_CONF_ERROR;
|
|
|
1186 }
|
|
|
1187
|
|
|
1188 *a = arg;
|
|
|
1189 if (name->compile(cf, op, a) == NGX_ERROR) {
|
|
|
1190 return NGX_CONF_ERROR;
|
|
|
1191 }
|
|
|
1192
|
|
|
1193 break;
|
|
|
1194 }
|
|
|
1195 }
|
|
|
1196
|
|
|
1197 if (name->name.len == 0) {
|
|
|
1198 goto invalid;
|
|
|
1199 }
|
|
|
1200
|
|
|
1201 } else if (value[s].data[i] == '$') {
|
|
|
1202
|
|
|
1203 if (++i == value[s].len) {
|
|
|
1204 goto invalid;
|
|
|
1205 }
|
|
|
1206
|
|
|
1207 if (value[s].data[i] == '{') {
|
|
|
1208 bracket = 1;
|
|
|
1209
|
|
|
1210 if (++i == value[s].len) {
|
|
|
1211 goto invalid;
|
|
|
1212 }
|
|
|
1213
|
|
|
1214 var.data = &value[s].data[i];
|
|
|
1215
|
|
|
1216 } else {
|
|
|
1217 bracket = 0;
|
|
|
1218 var.data = &value[s].data[i];
|
|
|
1219 }
|
|
|
1220
|
|
|
1221 for (var.len = 0; i < value[s].len; i++, var.len++) {
|
|
|
1222 ch = value[s].data[i];
|
|
|
1223
|
|
|
1224 if (ch == '}' && bracket) {
|
|
|
1225 i++;
|
|
|
1226 bracket = 0;
|
|
|
1227 break;
|
|
|
1228 }
|
|
|
1229
|
|
|
1230 if ((ch >= 'A' && ch <= 'Z')
|
|
|
1231 || (ch >= 'a' && ch <= 'z')
|
|
|
1232 || (ch >= '0' && ch <= '9')
|
|
|
1233 || ch == '_')
|
|
|
1234 {
|
|
|
1235 continue;
|
|
|
1236 }
|
|
|
1237
|
|
|
1238 break;
|
|
|
1239 }
|
|
|
1240
|
|
|
1241 if (bracket) {
|
|
|
1242 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1243 "the closing bracket in \"%V\" "
|
|
|
1244 "variable is missing", &var);
|
|
|
1245 return NGX_CONF_ERROR;
|
|
|
1246 }
|
|
|
1247
|
|
|
1248 if (var.len == 0) {
|
|
|
1249 goto invalid;
|
|
|
1250 }
|
|
|
1251
|
|
|
1252 if (ngx_http_log_variable_compile(cf, op, &var) != NGX_OK) {
|
|
|
1253 return NGX_CONF_ERROR;
|
|
|
1254 }
|
|
|
1255
|
|
|
1256 } else {
|
|
|
1257 i++;
|
|
|
1258
|
|
|
1259 while (i < value[s].len
|
|
|
1260 && value[s].data[i] != '$'
|
|
|
1261 && value[s].data[i] != '%')
|
|
|
1262 {
|
|
|
1263 i++;
|
|
|
1264 }
|
|
|
1265
|
|
|
1266 len = &value[s].data[i] - data;
|
|
|
1267
|
|
|
1268 if (len) {
|
|
|
1269
|
|
|
1270 op->len = len;
|
|
|
1271 op->getlen = NULL;
|
|
|
1272
|
|
|
1273 if (len <= sizeof(uintptr_t)) {
|
|
|
1274 op->run = ngx_http_log_copy_short;
|
|
|
1275 op->data = 0;
|
|
|
1276
|
|
|
1277 while (len--) {
|
|
|
1278 op->data <<= 8;
|
|
|
1279 op->data |= data[len];
|
|
|
1280 }
|
|
|
1281
|
|
|
1282 } else {
|
|
|
1283 op->run = ngx_http_log_copy_long;
|
|
|
1284
|
|
|
1285 p = ngx_palloc(cf->pool, len);
|
|
|
1286 if (p == NULL) {
|
|
|
1287 return NGX_CONF_ERROR;
|
|
|
1288 }
|
|
|
1289
|
|
|
1290 ngx_memcpy(p, data, len);
|
|
|
1291 op->data = (uintptr_t) p;
|
|
|
1292 }
|
|
|
1293 }
|
|
|
1294 }
|
|
|
1295 }
|
|
|
1296 }
|
|
|
1297
|
|
|
1298 return NGX_CONF_OK;
|
|
|
1299
|
|
|
1300 invalid:
|
|
|
1301
|
|
|
1302 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%s\"", data);
|
|
|
1303
|
|
|
1304 return NGX_CONF_ERROR;
|
|
|
1305 }
|
|
|
1306
|
|
|
1307
|
|
|
1308 static ngx_int_t
|
|
|
1309 ngx_http_log_init(ngx_cycle_t *cycle)
|
|
|
1310 {
|
|
|
1311 ngx_http_core_main_conf_t *cmcf;
|
|
|
1312
|
|
|
1313 cmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_core_module);
|
|
|
1314
|
|
|
1315 cmcf->log_handler = ngx_http_log_handler;
|
|
|
1316
|
|
|
1317 return NGX_OK;
|
|
|
1318 }
|
