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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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122
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13
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14 typedef struct {
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15 ngx_str_t name;
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16 ngx_array_t *ops; /* array of ngx_http_log_op_t */
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17 } ngx_http_log_fmt_t;
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18
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19 typedef struct {
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20 ngx_array_t formats; /* array of ngx_http_log_fmt_t */
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21 ngx_uint_t combined_used; /* unsigned combined_used:1 */
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22 } ngx_http_log_main_conf_t;
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23
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24 typedef struct {
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25 ngx_open_file_t *file;
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26 ngx_array_t *ops; /* array of ngx_http_log_op_t */
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27 } ngx_http_log_t;
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28
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29 typedef struct {
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30 ngx_array_t *logs; /* array of ngx_http_log_t */
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31 ngx_uint_t off; /* unsigned off:1 */
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32 } ngx_http_log_loc_conf_t;
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33
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34
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35 typedef struct {
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36 ngx_str_t name;
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37 size_t len;
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38 ngx_http_log_op_run_pt run;
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39 } ngx_http_log_var_t;
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40
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41
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118
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42 static u_char *ngx_http_log_addr(ngx_http_request_t *r, u_char *buf,
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43 ngx_http_log_op_t *op);
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44 static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
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45 ngx_http_log_op_t *op);
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46 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf,
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47 ngx_http_log_op_t *op);
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48 static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf,
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49 ngx_http_log_op_t *op);
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50 static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf,
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51 ngx_http_log_op_t *op);
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52 static u_char *ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf,
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53 ngx_http_log_op_t *op);
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54 static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf,
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55 ngx_http_log_op_t *op);
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122
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56 static u_char *ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf,
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118
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57 ngx_http_log_op_t *op);
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126
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58 static u_char *ngx_http_log_body_bytes_sent(ngx_http_request_t *r,
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122
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59 u_char *buf, ngx_http_log_op_t *op);
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118
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60 static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
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61 ngx_http_log_op_t *op);
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62
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63 static size_t ngx_http_log_request_getlen(ngx_http_request_t *r,
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64 uintptr_t data);
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65 static u_char *ngx_http_log_request(ngx_http_request_t *r, u_char *buf,
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66 ngx_http_log_op_t *op);
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67
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68 static ngx_int_t ngx_http_log_header_in_compile(ngx_conf_t *cf,
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69 ngx_http_log_op_t *op, ngx_str_t *value);
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70 static size_t ngx_http_log_header_in_getlen(ngx_http_request_t *r,
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71 uintptr_t data);
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72 static u_char *ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
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73 ngx_http_log_op_t *op);
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74 static size_t ngx_http_log_unknown_header_in_getlen(ngx_http_request_t *r,
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75 uintptr_t data);
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76 static u_char *ngx_http_log_unknown_header_in(ngx_http_request_t *r,
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77 u_char *buf, ngx_http_log_op_t *op);
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78
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79 static ngx_int_t ngx_http_log_header_out_compile(ngx_conf_t *cf,
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80 ngx_http_log_op_t *op, ngx_str_t *value);
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81 static size_t ngx_http_log_header_out_getlen(ngx_http_request_t *r,
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82 uintptr_t data);
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83 static u_char *ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
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84 ngx_http_log_op_t *op);
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85 static size_t ngx_http_log_unknown_header_out_getlen(ngx_http_request_t *r,
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86 uintptr_t data);
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87 static u_char *ngx_http_log_unknown_header_out(ngx_http_request_t *r,
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88 u_char *buf, ngx_http_log_op_t *op);
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89
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90 static u_char *ngx_http_log_connection_header_out(ngx_http_request_t *r,
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91 u_char *buf, ngx_http_log_op_t *op);
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92 static u_char *ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r,
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93 u_char *buf, ngx_http_log_op_t *op);
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94
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95 static ngx_table_elt_t *ngx_http_log_unknown_header(ngx_list_t *headers,
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96 ngx_str_t *value);
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97
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98 static ngx_int_t ngx_http_log_variable_compile(ngx_conf_t *cf,
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99 ngx_http_log_op_t *op, ngx_str_t *value);
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100 static size_t ngx_http_log_variable_getlen(ngx_http_request_t *r,
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101 uintptr_t data);
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102 static u_char *ngx_http_log_variable(ngx_http_request_t *r, u_char *buf,
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103 ngx_http_log_op_t *op);
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104
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105
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106 static ngx_int_t ngx_http_log_set_formats(ngx_conf_t *cf);
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107 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf);
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108 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf);
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109 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
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110 void *child);
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111 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
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112 void *conf);
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113 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
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114 void *conf);
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122
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115 static char *ngx_http_log_compile_format(ngx_conf_t *cf,
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116 ngx_array_t *ops, ngx_array_t *args, ngx_uint_t s);
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117 static ngx_int_t ngx_http_log_init(ngx_conf_t *cf);
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118
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118
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119
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120 static ngx_command_t ngx_http_log_commands[] = {
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121
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122 { ngx_string("log_format"),
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123 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE,
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124 ngx_http_log_set_format,
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125 NGX_HTTP_MAIN_CONF_OFFSET,
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126 0,
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127 NULL },
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128
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129 { ngx_string("access_log"),
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120
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130 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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118
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131 ngx_http_log_set_log,
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132 NGX_HTTP_LOC_CONF_OFFSET,
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133 0,
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134 NULL },
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135
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136 ngx_null_command
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137 };
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138
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139
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140 ngx_http_module_t ngx_http_log_module_ctx = {
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141 ngx_http_log_set_formats, /* preconfiguration */
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122
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142 ngx_http_log_init, /* postconfiguration */
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118
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143
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144 ngx_http_log_create_main_conf, /* create main configuration */
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145 NULL, /* init main configuration */
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146
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147 NULL, /* create server configuration */
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148 NULL, /* merge server configuration */
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149
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150 ngx_http_log_create_loc_conf, /* create location configration */
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151 ngx_http_log_merge_loc_conf /* merge location configration */
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152 };
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153
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154
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155 ngx_module_t ngx_http_log_module = {
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156 NGX_MODULE_V1,
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157 &ngx_http_log_module_ctx, /* module context */
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158 ngx_http_log_commands, /* module directives */
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159 NGX_HTTP_MODULE, /* module type */
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160 NULL, /* init master */
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122
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161 NULL, /* init module */
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118
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162 NULL, /* init process */
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163 NULL, /* init thread */
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164 NULL, /* exit thread */
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165 NULL, /* exit process */
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166 NULL, /* exit master */
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167 NGX_MODULE_V1_PADDING
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168 };
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169
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170
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122
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171 static ngx_str_t http_access_log = ngx_string(NGX_HTTP_LOG_PATH);
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172
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173
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174 static ngx_str_t ngx_http_combined_fmt =
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175 ngx_string("$remote_addr - $remote_user [$time_gmt] "
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126
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176 "\"$request\" $status $body_bytes_sent "
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122
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177 "\"$http_referer\" \"$http_user_agent\"");
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118
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178
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179
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122
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180 static ngx_http_log_var_t ngx_http_log_vars[] = {
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181 { ngx_string("connection"), NGX_ATOMIC_T_LEN, ngx_http_log_connection },
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182 { ngx_string("pipe"), 1, ngx_http_log_pipe },
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183 { ngx_string("time_gmt"), sizeof("28/Sep/1970:12:00:00 +0600") - 1,
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184 ngx_http_log_time },
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185 { ngx_string("msec"), NGX_TIME_T_LEN + 4, ngx_http_log_msec },
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186 { ngx_string("request_time"), NGX_TIME_T_LEN, ngx_http_log_request_time },
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187 { ngx_string("status"), 3, ngx_http_log_status },
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188 { ngx_string("bytes_sent"), NGX_OFF_T_LEN, ngx_http_log_bytes_sent },
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126
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189 { ngx_string("body_bytes_sent"), NGX_OFF_T_LEN,
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190 ngx_http_log_body_bytes_sent },
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122
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191 { ngx_string("apache_bytes_sent"), NGX_OFF_T_LEN,
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126
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192 ngx_http_log_body_bytes_sent },
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122
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193 { ngx_string("request_length"), NGX_SIZE_T_LEN,
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194 ngx_http_log_request_length },
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195
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196 { ngx_null_string, 0, NULL }
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197 };
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118
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198
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199
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122
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200 ngx_http_log_op_name_t ngx_http_log_fmt_ops[] = {
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118
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201 { ngx_string("addr"), INET_ADDRSTRLEN - 1, NULL, NULL, ngx_http_log_addr },
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202 { ngx_string("conn"), NGX_ATOMIC_T_LEN, NULL, NULL,
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203 ngx_http_log_connection },
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204 { ngx_string("pipe"), 1, NULL, NULL, ngx_http_log_pipe },
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205 { ngx_string("time"), sizeof("28/Sep/1970:12:00:00 +0600") - 1,
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206 NULL, NULL, ngx_http_log_time },
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207 { ngx_string("msec"), NGX_TIME_T_LEN + 4, NULL, NULL, ngx_http_log_msec },
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208 { ngx_string("request_time"), NGX_TIME_T_LEN, NULL, NULL,
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209 ngx_http_log_request_time },
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210 { ngx_string("status"), 3, NULL, NULL, ngx_http_log_status },
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122
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211 { ngx_string("length"), NGX_OFF_T_LEN,
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212 NULL, NULL, ngx_http_log_bytes_sent },
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118
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213 { ngx_string("apache_length"), NGX_OFF_T_LEN,
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126
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214 NULL, NULL, ngx_http_log_body_bytes_sent },
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118
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215 { ngx_string("request_length"), NGX_SIZE_T_LEN,
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216 NULL, NULL, ngx_http_log_request_length },
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217
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218 { ngx_string("request"), 0, NULL,
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219 ngx_http_log_request_getlen,
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220 ngx_http_log_request },
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221
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222 { ngx_string("i"), 0, ngx_http_log_header_in_compile, NULL,
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223 ngx_http_log_header_in },
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224 { ngx_string("o"), 0, ngx_http_log_header_out_compile, NULL,
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225 ngx_http_log_header_out },
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226 { ngx_string("v"), 0, ngx_http_log_variable_compile, NULL,
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227 ngx_http_log_variable },
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228
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229 { ngx_null_string, 0, NULL, NULL, NULL }
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230 };
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231
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232
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233 ngx_int_t
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234 ngx_http_log_handler(ngx_http_request_t *r)
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235 {
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236 ngx_uint_t i, l;
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237 u_char *line, *p;
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238 size_t len;
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239 ngx_http_log_t *log;
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120
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240 ngx_open_file_t *file;
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118
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241 ngx_http_log_op_t *op;
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242 ngx_http_log_loc_conf_t *lcf;
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243
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244 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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245 "http log handler");
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246
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247 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module);
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248
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249 if (lcf->off) {
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250 return NGX_OK;
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251 }
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252
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253 log = lcf->logs->elts;
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254 for (l = 0; l < lcf->logs->nelts; l++) {
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255
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256 len = 0;
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257 op = log[l].ops->elts;
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258 for (i = 0; i < log[l].ops->nelts; i++) {
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259 if (op[i].len == 0) {
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260 len += op[i].getlen(r, op[i].data);
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261
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262 } else {
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263 len += op[i].len;
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264 }
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265 }
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266
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120
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267 len += NGX_LINEFEED_SIZE;
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268
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269 file = log[l].file;
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270
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271 if (file->buffer) {
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272
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273 if (len > (size_t) (file->last - file->pos)) {
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274
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275 ngx_write_fd(file->fd, file->buffer, file->pos - file->buffer);
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276
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277 file->pos = file->buffer;
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278 }
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279
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280 if (len <= (size_t) (file->last - file->pos)) {
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281
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282 p = file->pos;
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283
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284 for (i = 0; i < log[l].ops->nelts; i++) {
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285 p = op[i].run(r, p, &op[i]);
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286 }
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287
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288 ngx_linefeed(p);
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289
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290 file->pos = p;
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291
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292 continue;
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293 }
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294 }
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118
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295
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296 line = ngx_palloc(r->pool, len);
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297 if (line == NULL) {
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298 return NGX_ERROR;
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299 }
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300
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301 p = line;
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302
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303 for (i = 0; i < log[l].ops->nelts; i++) {
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304 p = op[i].run(r, p, &op[i]);
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305 }
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306
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120
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307 ngx_linefeed(p);
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308
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309 ngx_write_fd(file->fd, line, p - line);
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118
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310 }
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311
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312 return NGX_OK;
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313 }
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314
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315
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316 static u_char *
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317 ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf,
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318 ngx_http_log_op_t *op)
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319 {
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320 size_t len;
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321 uintptr_t data;
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322
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323 len = op->len;
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324 data = op->data;
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325
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326 while (len--) {
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327 *buf++ = (u_char) (data & 0xff);
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328 data >>= 8;
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329 }
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330
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331 return buf;
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332 }
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333
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334
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335 static u_char *
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336 ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf,
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337 ngx_http_log_op_t *op)
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338 {
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339 return ngx_cpymem(buf, (u_char *) op->data, op->len);
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340 }
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341
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342
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343 static u_char *
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344 ngx_http_log_addr(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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345 {
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346 return ngx_cpymem(buf, r->connection->addr_text.data,
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347 r->connection->addr_text.len);
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348 }
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|
349
|
|
|
350
|
|
|
351 static u_char *
|
|
|
352 ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
|
|
|
353 ngx_http_log_op_t *op)
|
|
|
354 {
|
|
|
355 return ngx_sprintf(buf, "%ui", r->connection->number);
|
|
|
356 }
|
|
|
357
|
|
|
358
|
|
|
359 static u_char *
|
|
|
360 ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
361 {
|
|
|
362 if (r->pipeline) {
|
|
|
363 *buf = 'p';
|
|
|
364 } else {
|
|
|
365 *buf = '.';
|
|
|
366 }
|
|
|
367
|
|
|
368 return buf + 1;
|
|
|
369 }
|
|
|
370
|
|
|
371
|
|
|
372 static u_char *
|
|
|
373 ngx_http_log_time(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
374 {
|
|
|
375 return ngx_cpymem(buf, ngx_cached_http_log_time.data,
|
|
|
376 ngx_cached_http_log_time.len);
|
|
|
377 }
|
|
|
378
|
|
|
379
|
|
|
380 static u_char *
|
|
|
381 ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
382 {
|
|
|
383 ngx_time_t *tp;
|
|
|
384
|
|
|
385 tp = ngx_timeofday();
|
|
|
386
|
|
|
387 return ngx_sprintf(buf, "%T.%03M", tp->sec, tp->msec);
|
|
|
388 }
|
|
|
389
|
|
|
390
|
|
|
391 static u_char *
|
|
|
392 ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf,
|
|
|
393 ngx_http_log_op_t *op)
|
|
|
394 {
|
|
|
395 time_t elapsed;
|
|
|
396
|
|
|
397 elapsed = ngx_time() - r->start_time;
|
|
|
398
|
|
|
399 return ngx_sprintf(buf, "%T", elapsed);
|
|
|
400 }
|
|
|
401
|
|
|
402
|
|
|
403 static size_t
|
|
|
404 ngx_http_log_request_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
405 {
|
|
|
406 return r->request_line.len;
|
|
|
407 }
|
|
|
408
|
|
|
409
|
|
|
410 static u_char *
|
|
|
411 ngx_http_log_request(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
412 {
|
|
|
413 return ngx_cpymem(buf, r->request_line.data, r->request_line.len);
|
|
|
414 }
|
|
|
415
|
|
|
416
|
|
|
417 static u_char *
|
|
|
418 ngx_http_log_status(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
419 {
|
|
|
420 return ngx_sprintf(buf, "%ui",
|
|
|
421 r->err_status ? r->err_status : r->headers_out.status);
|
|
|
422 }
|
|
|
423
|
|
|
424
|
|
|
425 static u_char *
|
|
122
|
426 ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf,
|
|
|
427 ngx_http_log_op_t *op)
|
|
118
|
428 {
|
|
|
429 return ngx_sprintf(buf, "%O", r->connection->sent);
|
|
|
430 }
|
|
|
431
|
|
|
432
|
|
|
433 static u_char *
|
|
126
|
434 ngx_http_log_body_bytes_sent(ngx_http_request_t *r, u_char *buf,
|
|
118
|
435 ngx_http_log_op_t *op)
|
|
|
436 {
|
|
|
437 off_t length;
|
|
|
438
|
|
|
439 length = r->connection->sent - r->header_size;
|
|
|
440
|
|
|
441 if (length > 0) {
|
|
|
442 return ngx_sprintf(buf, "%O", length);
|
|
|
443 }
|
|
|
444
|
|
|
445 *buf = '0';
|
|
|
446
|
|
|
447 return buf + 1;
|
|
|
448 }
|
|
|
449
|
|
|
450
|
|
|
451 static u_char *
|
|
|
452 ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
|
|
|
453 ngx_http_log_op_t *op)
|
|
|
454 {
|
|
|
455 return ngx_sprintf(buf, "%z", r->request_length);
|
|
|
456 }
|
|
|
457
|
|
|
458
|
|
|
459 static ngx_int_t
|
|
|
460 ngx_http_log_header_in_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
|
461 ngx_str_t *value)
|
|
|
462 {
|
|
|
463 ngx_uint_t i;
|
|
|
464
|
|
|
465 op->len = 0;
|
|
|
466
|
|
|
467 for (i = 0; ngx_http_headers_in[i].name.len != 0; i++) {
|
|
|
468
|
|
|
469 if (ngx_http_headers_in[i].name.len != value->len) {
|
|
|
470 continue;
|
|
|
471 }
|
|
|
472
|
|
|
473 /* STUB: "Cookie" speacial handling */
|
|
|
474 if (ngx_http_headers_in[i].offset == 0) {
|
|
|
475 continue;
|
|
|
476 }
|
|
|
477
|
|
|
478 if (ngx_strncasecmp(ngx_http_headers_in[i].name.data, value->data,
|
|
|
479 value->len) == 0)
|
|
|
480 {
|
|
|
481 op->getlen = ngx_http_log_header_in_getlen;
|
|
|
482 op->run = ngx_http_log_header_in;
|
|
|
483 op->data = ngx_http_headers_in[i].offset;
|
|
|
484
|
|
|
485 return NGX_OK;
|
|
|
486 }
|
|
|
487 }
|
|
|
488
|
|
|
489 op->getlen = ngx_http_log_unknown_header_in_getlen;
|
|
|
490 op->run = ngx_http_log_unknown_header_in;
|
|
|
491 op->data = (uintptr_t) value;
|
|
|
492
|
|
|
493 return NGX_OK;
|
|
|
494 }
|
|
|
495
|
|
|
496
|
|
|
497 static size_t
|
|
|
498 ngx_http_log_header_in_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
499 {
|
|
|
500 ngx_table_elt_t *h;
|
|
|
501
|
|
|
502 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + data);
|
|
|
503
|
|
|
504 if (h) {
|
|
|
505 return h->value.len;
|
|
|
506 }
|
|
|
507
|
|
|
508 return 1;
|
|
|
509 }
|
|
|
510
|
|
|
511
|
|
|
512 static u_char *
|
|
|
513 ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
|
|
|
514 ngx_http_log_op_t *op)
|
|
|
515 {
|
|
|
516 ngx_table_elt_t *h;
|
|
|
517
|
|
|
518 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + op->data);
|
|
|
519
|
|
|
520 if (h) {
|
|
|
521 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
522 }
|
|
|
523
|
|
|
524 *buf = '-';
|
|
|
525
|
|
|
526 return buf + 1;
|
|
|
527 }
|
|
|
528
|
|
|
529
|
|
|
530 static size_t
|
|
|
531 ngx_http_log_unknown_header_in_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
532 {
|
|
|
533 ngx_table_elt_t *h;
|
|
|
534
|
|
|
535 h = ngx_http_log_unknown_header(&r->headers_in.headers, (ngx_str_t *) data);
|
|
|
536
|
|
|
537 if (h) {
|
|
|
538 return h->value.len;
|
|
|
539 }
|
|
|
540
|
|
|
541 return 1;
|
|
|
542 }
|
|
|
543
|
|
|
544
|
|
|
545 static u_char *
|
|
|
546 ngx_http_log_unknown_header_in(ngx_http_request_t *r, u_char *buf,
|
|
|
547 ngx_http_log_op_t *op)
|
|
|
548 {
|
|
|
549 ngx_table_elt_t *h;
|
|
|
550
|
|
|
551 h = ngx_http_log_unknown_header(&r->headers_in.headers,
|
|
|
552 (ngx_str_t *) op->data);
|
|
|
553
|
|
|
554 if (h) {
|
|
|
555 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
556 }
|
|
|
557
|
|
|
558 *buf = '-';
|
|
|
559
|
|
|
560 return buf + 1;
|
|
|
561 }
|
|
|
562
|
|
|
563
|
|
|
564 static ngx_int_t
|
|
|
565 ngx_http_log_header_out_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
|
566 ngx_str_t *value)
|
|
|
567 {
|
|
|
568 ngx_uint_t i;
|
|
|
569
|
|
|
570 op->len = 0;
|
|
|
571
|
|
|
572 for (i = 0; ngx_http_headers_out[i].name.len != 0; i++) {
|
|
|
573
|
|
|
574 if (ngx_http_headers_out[i].name.len != value->len) {
|
|
|
575 continue;
|
|
|
576 }
|
|
|
577
|
|
|
578 if (ngx_strncasecmp(ngx_http_headers_out[i].name.data, value->data,
|
|
|
579 value->len) == 0)
|
|
|
580 {
|
|
|
581 op->getlen = ngx_http_log_header_out_getlen;
|
|
|
582 op->run = ngx_http_log_header_out;
|
|
|
583 op->data = ngx_http_headers_out[i].offset;
|
|
|
584
|
|
|
585 return NGX_OK;
|
|
|
586 }
|
|
|
587 }
|
|
|
588
|
|
|
589 if (value->len == sizeof("Connection") - 1
|
|
|
590 && ngx_strncasecmp(value->data, "Connection", value->len) == 0)
|
|
|
591 {
|
|
|
592 op->len = sizeof("keep-alive") - 1;
|
|
|
593 op->getlen = NULL;
|
|
|
594 op->run = ngx_http_log_connection_header_out;
|
|
|
595 op->data = 0;
|
|
|
596 return NGX_OK;
|
|
|
597 }
|
|
|
598
|
|
|
599 if (value->len == sizeof("Transfer-Encoding") - 1
|
|
|
600 && ngx_strncasecmp(value->data, "Transfer-Encoding", value->len) == 0)
|
|
|
601 {
|
|
|
602 op->len = sizeof("chunked") - 1;
|
|
|
603 op->getlen = NULL;
|
|
|
604 op->run = ngx_http_log_transfer_encoding_header_out;
|
|
|
605 op->data = 0;
|
|
|
606 return NGX_OK;
|
|
|
607 }
|
|
|
608
|
|
|
609 op->getlen = ngx_http_log_unknown_header_out_getlen;
|
|
|
610 op->run = ngx_http_log_unknown_header_out;
|
|
|
611 op->data = (uintptr_t) value;
|
|
|
612
|
|
|
613 return NGX_OK;
|
|
|
614 }
|
|
|
615
|
|
|
616
|
|
|
617 static size_t
|
|
|
618 ngx_http_log_header_out_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
619 {
|
|
|
620 ngx_table_elt_t *h;
|
|
|
621
|
|
|
622 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + data);
|
|
|
623
|
|
|
624 if (h) {
|
|
|
625 return 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 (data == offsetof(ngx_http_headers_out_t, date)) {
|
|
|
637 return ngx_cached_http_time.len;
|
|
|
638 }
|
|
|
639
|
|
|
640 if (data == offsetof(ngx_http_headers_out_t, server)) {
|
|
|
641 return (sizeof(NGINX_VER) - 1);
|
|
|
642 }
|
|
|
643
|
|
|
644 if (data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
|
645 if (r->headers_out.content_length_n == -1) {
|
|
|
646 return 1;
|
|
|
647 }
|
|
|
648
|
|
|
649 return NGX_OFF_T_LEN;
|
|
|
650 }
|
|
|
651
|
|
|
652 if (data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
|
653 if (r->headers_out.last_modified_time == -1) {
|
|
|
654 return 1;
|
|
|
655 }
|
|
|
656
|
|
|
657 return sizeof("Mon, 28 Sep 1970 06:00:00 GMT") - 1;
|
|
|
658 }
|
|
|
659
|
|
|
660 return 1;
|
|
|
661 }
|
|
|
662
|
|
|
663
|
|
|
664 static u_char *
|
|
|
665 ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
666 ngx_http_log_op_t *op)
|
|
|
667 {
|
|
|
668 ngx_table_elt_t *h;
|
|
|
669
|
|
|
670 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + op->data);
|
|
|
671
|
|
|
672 if (h) {
|
|
|
673 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
674 }
|
|
|
675
|
|
|
676 /*
|
|
|
677 * No header pointer was found.
|
|
|
678 * However, some headers: "Date", "Server", "Content-Length",
|
|
|
679 * and "Last-Modified" have a special handling in the header filter,
|
|
|
680 * but we do not set up their pointers in the filter,
|
|
|
681 * because they are too seldom needed to be logged.
|
|
|
682 */
|
|
|
683
|
|
|
684 if (op->data == offsetof(ngx_http_headers_out_t, date)) {
|
|
|
685 return ngx_cpymem(buf, ngx_cached_http_time.data,
|
|
|
686 ngx_cached_http_time.len);
|
|
|
687 }
|
|
|
688
|
|
|
689 if (op->data == offsetof(ngx_http_headers_out_t, server)) {
|
|
|
690 return ngx_cpymem(buf, NGINX_VER, sizeof(NGINX_VER) - 1);
|
|
|
691 }
|
|
|
692
|
|
|
693 if (op->data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
|
694 if (r->headers_out.content_length_n == -1) {
|
|
|
695 *buf = '-';
|
|
|
696
|
|
|
697 return buf + 1;
|
|
|
698 }
|
|
|
699
|
|
|
700 return ngx_sprintf(buf, "%O", r->headers_out.content_length_n);
|
|
|
701 }
|
|
|
702
|
|
|
703 if (op->data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
|
704 if (r->headers_out.last_modified_time == -1) {
|
|
|
705 *buf = '-';
|
|
|
706
|
|
|
707 return buf + 1;
|
|
|
708 }
|
|
|
709
|
|
|
710 return ngx_http_time(buf, r->headers_out.last_modified_time);
|
|
|
711 }
|
|
|
712
|
|
|
713 *buf = '-';
|
|
|
714
|
|
|
715 return buf + 1;
|
|
|
716 }
|
|
|
717
|
|
|
718
|
|
|
719 static size_t
|
|
|
720 ngx_http_log_unknown_header_out_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
721 {
|
|
|
722 ngx_table_elt_t *h;
|
|
|
723
|
|
|
724 h = ngx_http_log_unknown_header(&r->headers_out.headers,
|
|
|
725 (ngx_str_t *) data);
|
|
|
726
|
|
|
727 if (h) {
|
|
|
728 return h->value.len;
|
|
|
729 }
|
|
|
730
|
|
|
731 return 1;
|
|
|
732 }
|
|
|
733
|
|
|
734
|
|
|
735 static u_char *
|
|
|
736 ngx_http_log_unknown_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
737 ngx_http_log_op_t *op)
|
|
|
738 {
|
|
|
739 ngx_table_elt_t *h;
|
|
|
740
|
|
|
741 h = ngx_http_log_unknown_header(&r->headers_out.headers,
|
|
|
742 (ngx_str_t *) op->data);
|
|
|
743
|
|
|
744 if (h) {
|
|
|
745 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
746 }
|
|
|
747
|
|
|
748 *buf = '-';
|
|
|
749
|
|
|
750 return buf + 1;
|
|
|
751 }
|
|
|
752
|
|
|
753
|
|
|
754 static ngx_table_elt_t *
|
|
|
755 ngx_http_log_unknown_header(ngx_list_t *headers, ngx_str_t *value)
|
|
|
756 {
|
|
|
757 ngx_uint_t i;
|
|
|
758 ngx_list_part_t *part;
|
|
|
759 ngx_table_elt_t *h;
|
|
|
760
|
|
|
761 part = &headers->part;
|
|
|
762 h = part->elts;
|
|
|
763
|
|
|
764 for (i = 0; /* void */; i++) {
|
|
|
765
|
|
|
766 if (i >= part->nelts) {
|
|
|
767 if (part->next == NULL) {
|
|
|
768 break;
|
|
|
769 }
|
|
|
770
|
|
|
771 part = part->next;
|
|
|
772 h = part->elts;
|
|
|
773 i = 0;
|
|
|
774 }
|
|
|
775
|
|
|
776 if (h[i].key.len != value->len) {
|
|
|
777 continue;
|
|
|
778 }
|
|
|
779
|
|
|
780 if (ngx_strncasecmp(h[i].key.data, value->data, value->len) == 0) {
|
|
|
781 return &h[i];
|
|
|
782 }
|
|
|
783 }
|
|
|
784
|
|
|
785 return NULL;
|
|
|
786 }
|
|
|
787
|
|
|
788
|
|
|
789 static u_char *
|
|
|
790 ngx_http_log_connection_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
791 ngx_http_log_op_t *op)
|
|
|
792 {
|
|
|
793 if (r->keepalive) {
|
|
|
794 return ngx_cpymem(buf, "keep-alive", sizeof("keep-alive") - 1);
|
|
|
795
|
|
|
796 } else {
|
|
|
797 return ngx_cpymem(buf, "close", sizeof("close") - 1);
|
|
|
798 }
|
|
|
799 }
|
|
|
800
|
|
|
801
|
|
|
802 static u_char *
|
|
|
803 ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
804 ngx_http_log_op_t *op)
|
|
|
805 {
|
|
|
806 if (r->chunked) {
|
|
|
807 return ngx_cpymem(buf, "chunked", sizeof("chunked") - 1);
|
|
|
808 }
|
|
|
809
|
|
|
810 *buf = '-';
|
|
|
811
|
|
|
812 return buf + 1;
|
|
|
813 }
|
|
|
814
|
|
|
815
|
|
126
|
816 static ngx_int_t
|
|
118
|
817 ngx_http_log_variable_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
|
818 ngx_str_t *value)
|
|
|
819 {
|
|
|
820 ngx_int_t index;
|
|
|
821
|
|
|
822 index = ngx_http_get_variable_index(cf, value);
|
|
|
823 if (index == NGX_ERROR) {
|
|
|
824 return NGX_ERROR;
|
|
|
825 }
|
|
|
826
|
|
|
827 op->len = 0;
|
|
|
828 op->getlen = ngx_http_log_variable_getlen;
|
|
|
829 op->run = ngx_http_log_variable;
|
|
|
830 op->data = index;
|
|
|
831
|
|
|
832 return NGX_OK;
|
|
|
833 }
|
|
|
834
|
|
|
835
|
|
|
836 static size_t
|
|
|
837 ngx_http_log_variable_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
838 {
|
|
|
839 ngx_http_variable_value_t *value;
|
|
|
840
|
|
|
841 value = ngx_http_get_indexed_variable(r, data);
|
|
|
842
|
|
122
|
843 if (value == NULL || value->not_found) {
|
|
118
|
844 return 1;
|
|
|
845 }
|
|
|
846
|
|
122
|
847 return value->len;
|
|
118
|
848 }
|
|
|
849
|
|
|
850
|
|
|
851 static u_char *
|
|
|
852 ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
853 {
|
|
|
854 ngx_http_variable_value_t *value;
|
|
|
855
|
|
|
856 value = ngx_http_get_indexed_variable(r, op->data);
|
|
|
857
|
|
122
|
858 if (value == NULL || value->not_found) {
|
|
118
|
859 *buf = '-';
|
|
|
860 return buf + 1;
|
|
|
861 }
|
|
|
862
|
|
122
|
863 return ngx_cpymem(buf, value->data, value->len);
|
|
118
|
864 }
|
|
|
865
|
|
|
866
|
|
|
867 static ngx_int_t
|
|
|
868 ngx_http_log_set_formats(ngx_conf_t *cf)
|
|
|
869 {
|
|
|
870 ngx_http_log_op_name_t *op;
|
|
|
871
|
|
|
872 for (op = ngx_http_log_fmt_ops; op->name.len; op++) { /* void */ }
|
|
|
873 op->run = NULL;
|
|
|
874
|
|
|
875 return NGX_OK;
|
|
|
876 }
|
|
|
877
|
|
|
878
|
|
|
879 static void *
|
|
|
880 ngx_http_log_create_main_conf(ngx_conf_t *cf)
|
|
|
881 {
|
|
|
882 ngx_http_log_main_conf_t *conf;
|
|
|
883
|
|
122
|
884 ngx_http_log_fmt_t *fmt;
|
|
118
|
885
|
|
|
886 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t));
|
|
|
887 if (conf == NULL) {
|
|
|
888 return NGX_CONF_ERROR;
|
|
|
889 }
|
|
|
890
|
|
|
891 if (ngx_array_init(&conf->formats, cf->pool, 4, sizeof(ngx_http_log_fmt_t))
|
|
122
|
892 != NGX_OK)
|
|
118
|
893 {
|
|
|
894 return NGX_CONF_ERROR;
|
|
|
895 }
|
|
|
896
|
|
122
|
897 fmt = ngx_array_push(&conf->formats);
|
|
|
898 if (fmt == NULL) {
|
|
118
|
899 return NGX_CONF_ERROR;
|
|
|
900 }
|
|
|
901
|
|
122
|
902 fmt->name.len = sizeof("combined") - 1;
|
|
|
903 fmt->name.data = (u_char *) "combined";
|
|
118
|
904
|
|
122
|
905 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t));
|
|
|
906 if (fmt->ops == NULL) {
|
|
118
|
907 return NGX_CONF_ERROR;
|
|
|
908 }
|
|
|
909
|
|
|
910 return conf;
|
|
|
911 }
|
|
|
912
|
|
|
913
|
|
|
914 static void *
|
|
|
915 ngx_http_log_create_loc_conf(ngx_conf_t *cf)
|
|
|
916 {
|
|
|
917 ngx_http_log_loc_conf_t *conf;
|
|
|
918
|
|
|
919 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t));
|
|
|
920 if (conf == NULL) {
|
|
|
921 return NGX_CONF_ERROR;
|
|
|
922 }
|
|
|
923
|
|
|
924 return conf;
|
|
|
925 }
|
|
|
926
|
|
|
927
|
|
|
928 static char *
|
|
|
929 ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
930 {
|
|
|
931 ngx_http_log_loc_conf_t *prev = parent;
|
|
|
932 ngx_http_log_loc_conf_t *conf = child;
|
|
|
933
|
|
|
934 ngx_http_log_t *log;
|
|
|
935 ngx_http_log_fmt_t *fmt;
|
|
|
936 ngx_http_log_main_conf_t *lmcf;
|
|
|
937
|
|
|
938 if (conf->logs == NULL) {
|
|
|
939
|
|
|
940 if (conf->off) {
|
|
|
941 return NGX_CONF_OK;
|
|
|
942 }
|
|
|
943
|
|
|
944 if (prev->logs) {
|
|
|
945 conf->logs = prev->logs;
|
|
|
946
|
|
|
947 } else {
|
|
|
948
|
|
|
949 if (prev->off) {
|
|
|
950 conf->off = prev->off;
|
|
|
951 return NGX_CONF_OK;
|
|
|
952 }
|
|
|
953
|
|
|
954 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
955 if (conf->logs == NULL) {
|
|
|
956 return NGX_CONF_ERROR;
|
|
|
957 }
|
|
|
958
|
|
|
959 log = ngx_array_push(conf->logs);
|
|
|
960 if (log == NULL) {
|
|
|
961 return NGX_CONF_ERROR;
|
|
|
962 }
|
|
|
963
|
|
|
964 log->file = ngx_conf_open_file(cf->cycle, &http_access_log);
|
|
|
965 if (log->file == NULL) {
|
|
|
966 return NGX_CONF_ERROR;
|
|
|
967 }
|
|
|
968
|
|
|
969 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
970 fmt = lmcf->formats.elts;
|
|
|
971
|
|
|
972 /* the default "combined" format */
|
|
|
973 log->ops = fmt[0].ops;
|
|
122
|
974 lmcf->combined_used = 1;
|
|
118
|
975 }
|
|
|
976 }
|
|
|
977
|
|
|
978 return NGX_CONF_OK;
|
|
|
979 }
|
|
|
980
|
|
|
981
|
|
|
982 static char *
|
|
|
983 ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
984 {
|
|
|
985 ngx_http_log_loc_conf_t *llcf = conf;
|
|
|
986
|
|
120
|
987 ssize_t buf;
|
|
118
|
988 ngx_uint_t i;
|
|
|
989 ngx_str_t *value, name;
|
|
|
990 ngx_http_log_t *log;
|
|
|
991 ngx_http_log_fmt_t *fmt;
|
|
|
992 ngx_http_log_main_conf_t *lmcf;
|
|
|
993
|
|
|
994 value = cf->args->elts;
|
|
|
995
|
|
|
996 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
997 llcf->off = 1;
|
|
|
998 return NGX_CONF_OK;
|
|
|
999 }
|
|
|
1000
|
|
|
1001 if (llcf->logs == NULL) {
|
|
|
1002 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
1003 if (llcf->logs == NULL) {
|
|
|
1004 return NGX_CONF_ERROR;
|
|
|
1005 }
|
|
|
1006 }
|
|
|
1007
|
|
|
1008 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
1009
|
|
|
1010 log = ngx_array_push(llcf->logs);
|
|
|
1011 if (log == NULL) {
|
|
|
1012 return NGX_CONF_ERROR;
|
|
|
1013 }
|
|
|
1014
|
|
|
1015 log->file = ngx_conf_open_file(cf->cycle, &value[1]);
|
|
|
1016 if (log->file == NULL) {
|
|
|
1017 return NGX_CONF_ERROR;
|
|
|
1018 }
|
|
|
1019
|
|
120
|
1020 if (cf->args->nelts >= 3) {
|
|
118
|
1021 name = value[2];
|
|
|
1022 } else {
|
|
|
1023 name.len = sizeof("combined") - 1;
|
|
|
1024 name.data = (u_char *) "combined";
|
|
122
|
1025 lmcf->combined_used = 1;
|
|
118
|
1026 }
|
|
|
1027
|
|
|
1028 fmt = lmcf->formats.elts;
|
|
|
1029 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
1030 if (fmt[i].name.len == name.len
|
|
|
1031 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0)
|
|
|
1032 {
|
|
|
1033 log->ops = fmt[i].ops;
|
|
120
|
1034 goto buffer;
|
|
118
|
1035 }
|
|
|
1036 }
|
|
|
1037
|
|
|
1038 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1039 "unknown log format \"%V\"", &name);
|
|
120
|
1040 return NGX_CONF_ERROR;
|
|
118
|
1041
|
|
120
|
1042 buffer:
|
|
|
1043
|
|
|
1044 if (cf->args->nelts == 4) {
|
|
|
1045 if (ngx_strncmp(value[3].data, "buffer=", 7) != 0) {
|
|
|
1046 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1047 "invalid parameter \"%V\"", &value[3]);
|
|
|
1048 return NGX_CONF_ERROR;
|
|
|
1049 }
|
|
|
1050
|
|
|
1051 name.len = value[3].len - 7;
|
|
|
1052 name.data = value[3].data + 7;
|
|
|
1053
|
|
|
1054 buf = ngx_parse_size(&name);
|
|
|
1055
|
|
|
1056 if (buf == NGX_ERROR) {
|
|
|
1057 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1058 "invalid parameter \"%V\"", &value[3]);
|
|
|
1059 return NGX_CONF_ERROR;
|
|
|
1060 }
|
|
|
1061
|
|
|
1062 if (log->file->buffer && log->file->last - log->file->pos != buf) {
|
|
|
1063 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1064 "access_log \"%V\" already defined "
|
|
|
1065 "with different buffer size", &value[1]);
|
|
|
1066 return NGX_CONF_ERROR;
|
|
|
1067 }
|
|
|
1068
|
|
|
1069 log->file->buffer = ngx_palloc(cf->pool, buf);
|
|
|
1070 if (log->file->buffer == NULL) {
|
|
|
1071 return NGX_CONF_ERROR;
|
|
|
1072 }
|
|
|
1073
|
|
|
1074 log->file->pos = log->file->buffer;
|
|
|
1075 log->file->last = log->file->buffer + buf;
|
|
|
1076 }
|
|
|
1077
|
|
|
1078 return NGX_CONF_OK;
|
|
118
|
1079 }
|
|
|
1080
|
|
|
1081
|
|
|
1082 static char *
|
|
|
1083 ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1084 {
|
|
|
1085 ngx_http_log_main_conf_t *lmcf = conf;
|
|
|
1086
|
|
122
|
1087 ngx_str_t *value;
|
|
|
1088 ngx_uint_t i;
|
|
|
1089 ngx_http_log_fmt_t *fmt;
|
|
118
|
1090
|
|
|
1091 value = cf->args->elts;
|
|
|
1092
|
|
|
1093 fmt = lmcf->formats.elts;
|
|
122
|
1094 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
1095 if (fmt[i].name.len == value[1].len
|
|
|
1096 && ngx_strcmp(fmt[i].name.data, value[1].data) == 0)
|
|
118
|
1097 {
|
|
|
1098 return "duplicate \"log_format\" name";
|
|
|
1099 }
|
|
|
1100 }
|
|
|
1101
|
|
|
1102 fmt = ngx_array_push(&lmcf->formats);
|
|
|
1103 if (fmt == NULL) {
|
|
|
1104 return NGX_CONF_ERROR;
|
|
|
1105 }
|
|
|
1106
|
|
|
1107 fmt->name = value[1];
|
|
|
1108
|
|
122
|
1109 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t));
|
|
118
|
1110 if (fmt->ops == NULL) {
|
|
|
1111 return NGX_CONF_ERROR;
|
|
|
1112 }
|
|
|
1113
|
|
122
|
1114 return ngx_http_log_compile_format(cf, fmt->ops, cf->args, 2);
|
|
|
1115 }
|
|
|
1116
|
|
118
|
1117
|
|
122
|
1118 static char *
|
|
|
1119 ngx_http_log_compile_format(ngx_conf_t *cf, ngx_array_t *ops,
|
|
|
1120 ngx_array_t *args, ngx_uint_t s)
|
|
|
1121 {
|
|
|
1122 u_char *data, *p, *fname, *arg_data, ch;
|
|
|
1123 size_t i, len, fname_len, arg_len;
|
|
|
1124 ngx_str_t *value, var, *a;
|
|
|
1125 ngx_uint_t bracket;
|
|
|
1126 ngx_http_log_op_t *op;
|
|
|
1127 ngx_http_log_var_t *v;
|
|
|
1128 ngx_http_log_op_name_t *name;
|
|
|
1129 static ngx_uint_t warn;
|
|
|
1130
|
|
|
1131 value = args->elts;
|
|
|
1132 arg_data = NULL;
|
|
|
1133
|
|
|
1134 for ( /* void */ ; s < args->nelts; s++) {
|
|
118
|
1135
|
|
|
1136 i = 0;
|
|
|
1137
|
|
|
1138 while (i < value[s].len) {
|
|
|
1139
|
|
122
|
1140 op = ngx_array_push(ops);
|
|
118
|
1141 if (op == NULL) {
|
|
|
1142 return NGX_CONF_ERROR;
|
|
|
1143 }
|
|
|
1144
|
|
|
1145 data = &value[s].data[i];
|
|
|
1146
|
|
|
1147 if (value[s].data[i] == '%') {
|
|
|
1148 i++;
|
|
|
1149
|
|
|
1150 if (i == value[s].len) {
|
|
|
1151 goto invalid;
|
|
|
1152 }
|
|
|
1153
|
|
|
1154 if (value[s].data[i] == '{') {
|
|
|
1155 i++;
|
|
|
1156
|
|
122
|
1157 arg_data = &value[s].data[i];
|
|
118
|
1158
|
|
|
1159 while (i < value[s].len && value[s].data[i] != '}') {
|
|
|
1160 i++;
|
|
|
1161 }
|
|
|
1162
|
|
122
|
1163 arg_len = &value[s].data[i] - arg_data;
|
|
118
|
1164
|
|
122
|
1165 if (i == value[s].len || arg_len == 0) {
|
|
118
|
1166 goto invalid;
|
|
|
1167 }
|
|
|
1168
|
|
|
1169 i++;
|
|
|
1170
|
|
|
1171 } else {
|
|
122
|
1172 arg_len = 0;
|
|
|
1173 }
|
|
|
1174
|
|
|
1175 if (warn == 0) {
|
|
|
1176 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1177 "the parameters in the \"%%name\" form are deprecated, "
|
|
|
1178 "use the \"$variable\" instead");
|
|
|
1179 warn = 1;
|
|
118
|
1180 }
|
|
|
1181
|
|
|
1182 fname = &value[s].data[i];
|
|
|
1183
|
|
|
1184 while (i < value[s].len
|
|
|
1185 && ((value[s].data[i] >= 'a' && value[s].data[i] <= 'z')
|
|
|
1186 || value[s].data[i] == '_'))
|
|
|
1187 {
|
|
|
1188 i++;
|
|
|
1189 }
|
|
|
1190
|
|
|
1191 fname_len = &value[s].data[i] - fname;
|
|
|
1192
|
|
|
1193 if (fname_len == 0) {
|
|
|
1194 goto invalid;
|
|
|
1195 }
|
|
|
1196
|
|
|
1197 for (name = ngx_http_log_fmt_ops; name->run; name++) {
|
|
|
1198 if (name->name.len == 0) {
|
|
|
1199 name = (ngx_http_log_op_name_t *) name->run;
|
|
|
1200 }
|
|
|
1201
|
|
|
1202 if (name->name.len == fname_len
|
|
|
1203 && ngx_strncmp(name->name.data, fname, fname_len) == 0)
|
|
|
1204 {
|
|
|
1205 if (name->compile == NULL) {
|
|
122
|
1206 if (arg_len) {
|
|
118
|
1207 fname[fname_len] = '\0';
|
|
|
1208 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1209 "\"%s\" must not have argument",
|
|
|
1210 data);
|
|
|
1211 return NGX_CONF_ERROR;
|
|
|
1212 }
|
|
|
1213
|
|
|
1214 op->len = name->len;
|
|
|
1215 op->getlen = name->getlen;
|
|
|
1216 op->run = name->run;
|
|
|
1217 op->data = 0;
|
|
|
1218
|
|
|
1219 break;
|
|
|
1220 }
|
|
|
1221
|
|
122
|
1222 if (arg_len == 0) {
|
|
118
|
1223 fname[fname_len] = '\0';
|
|
|
1224 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
126
|
1225 "\"%s\" requires argument",
|
|
118
|
1226 data);
|
|
|
1227 return NGX_CONF_ERROR;
|
|
|
1228 }
|
|
|
1229
|
|
|
1230 a = ngx_palloc(cf->pool, sizeof(ngx_str_t));
|
|
|
1231 if (a == NULL) {
|
|
|
1232 return NGX_CONF_ERROR;
|
|
|
1233 }
|
|
|
1234
|
|
122
|
1235 a->len = arg_len;
|
|
|
1236 a->data = arg_data;
|
|
|
1237
|
|
118
|
1238 if (name->compile(cf, op, a) == NGX_ERROR) {
|
|
|
1239 return NGX_CONF_ERROR;
|
|
|
1240 }
|
|
|
1241
|
|
|
1242 break;
|
|
|
1243 }
|
|
|
1244 }
|
|
|
1245
|
|
|
1246 if (name->name.len == 0) {
|
|
|
1247 goto invalid;
|
|
|
1248 }
|
|
|
1249
|
|
122
|
1250 continue;
|
|
|
1251
|
|
118
|
1252 } else if (value[s].data[i] == '$') {
|
|
|
1253
|
|
|
1254 if (++i == value[s].len) {
|
|
|
1255 goto invalid;
|
|
|
1256 }
|
|
|
1257
|
|
|
1258 if (value[s].data[i] == '{') {
|
|
|
1259 bracket = 1;
|
|
|
1260
|
|
|
1261 if (++i == value[s].len) {
|
|
|
1262 goto invalid;
|
|
|
1263 }
|
|
|
1264
|
|
|
1265 var.data = &value[s].data[i];
|
|
|
1266
|
|
|
1267 } else {
|
|
|
1268 bracket = 0;
|
|
|
1269 var.data = &value[s].data[i];
|
|
|
1270 }
|
|
|
1271
|
|
|
1272 for (var.len = 0; i < value[s].len; i++, var.len++) {
|
|
|
1273 ch = value[s].data[i];
|
|
|
1274
|
|
|
1275 if (ch == '}' && bracket) {
|
|
|
1276 i++;
|
|
|
1277 bracket = 0;
|
|
|
1278 break;
|
|
|
1279 }
|
|
|
1280
|
|
|
1281 if ((ch >= 'A' && ch <= 'Z')
|
|
|
1282 || (ch >= 'a' && ch <= 'z')
|
|
|
1283 || (ch >= '0' && ch <= '9')
|
|
|
1284 || ch == '_')
|
|
|
1285 {
|
|
|
1286 continue;
|
|
|
1287 }
|
|
|
1288
|
|
|
1289 break;
|
|
|
1290 }
|
|
|
1291
|
|
|
1292 if (bracket) {
|
|
|
1293 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1294 "the closing bracket in \"%V\" "
|
|
|
1295 "variable is missing", &var);
|
|
|
1296 return NGX_CONF_ERROR;
|
|
|
1297 }
|
|
|
1298
|
|
|
1299 if (var.len == 0) {
|
|
|
1300 goto invalid;
|
|
|
1301 }
|
|
|
1302
|
|
126
|
1303 if (ngx_strncmp(var.data, "apache_bytes_sent", 17) == 0) {
|
|
|
1304 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1305 "use \"$body_bytes_sent\" instead of "
|
|
|
1306 "\"$apache_bytes_sent\"");
|
|
|
1307 }
|
|
|
1308
|
|
122
|
1309 for (v = ngx_http_log_vars; v->name.len; v++) {
|
|
|
1310
|
|
|
1311 if (v->name.len == var.len
|
|
|
1312 && ngx_strncmp(v->name.data, var.data, var.len) == 0)
|
|
|
1313 {
|
|
|
1314 op->len = v->len;
|
|
|
1315 op->getlen = NULL;
|
|
|
1316 op->run = v->run;
|
|
|
1317 op->data = 0;
|
|
|
1318
|
|
|
1319 goto found;
|
|
|
1320 }
|
|
|
1321 }
|
|
|
1322
|
|
118
|
1323 if (ngx_http_log_variable_compile(cf, op, &var) != NGX_OK) {
|
|
|
1324 return NGX_CONF_ERROR;
|
|
|
1325 }
|
|
|
1326
|
|
122
|
1327 found:
|
|
|
1328
|
|
|
1329 continue;
|
|
|
1330 }
|
|
|
1331
|
|
|
1332 i++;
|
|
118
|
1333
|
|
122
|
1334 while (i < value[s].len
|
|
|
1335 && value[s].data[i] != '$'
|
|
|
1336 && value[s].data[i] != '%')
|
|
|
1337 {
|
|
|
1338 i++;
|
|
|
1339 }
|
|
118
|
1340
|
|
122
|
1341 len = &value[s].data[i] - data;
|
|
118
|
1342
|
|
122
|
1343 if (len) {
|
|
118
|
1344
|
|
122
|
1345 op->len = len;
|
|
|
1346 op->getlen = NULL;
|
|
118
|
1347
|
|
122
|
1348 if (len <= sizeof(uintptr_t)) {
|
|
|
1349 op->run = ngx_http_log_copy_short;
|
|
|
1350 op->data = 0;
|
|
118
|
1351
|
|
122
|
1352 while (len--) {
|
|
|
1353 op->data <<= 8;
|
|
|
1354 op->data |= data[len];
|
|
|
1355 }
|
|
|
1356
|
|
|
1357 } else {
|
|
|
1358 op->run = ngx_http_log_copy_long;
|
|
118
|
1359
|
|
122
|
1360 p = ngx_palloc(cf->pool, len);
|
|
|
1361 if (p == NULL) {
|
|
|
1362 return NGX_CONF_ERROR;
|
|
|
1363 }
|
|
118
|
1364
|
|
122
|
1365 ngx_memcpy(p, data, len);
|
|
|
1366 op->data = (uintptr_t) p;
|
|
118
|
1367 }
|
|
|
1368 }
|
|
|
1369 }
|
|
|
1370 }
|
|
|
1371
|
|
|
1372 return NGX_CONF_OK;
|
|
|
1373
|
|
|
1374 invalid:
|
|
|
1375
|
|
|
1376 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%s\"", data);
|
|
|
1377
|
|
|
1378 return NGX_CONF_ERROR;
|
|
|
1379 }
|
|
|
1380
|
|
|
1381
|
|
|
1382 static ngx_int_t
|
|
122
|
1383 ngx_http_log_init(ngx_conf_t *cf)
|
|
118
|
1384 {
|
|
122
|
1385 ngx_str_t *value;
|
|
|
1386 ngx_array_t a;
|
|
|
1387 ngx_http_log_fmt_t *fmt;
|
|
|
1388 ngx_http_log_main_conf_t *lmcf;
|
|
118
|
1389 ngx_http_core_main_conf_t *cmcf;
|
|
|
1390
|
|
122
|
1391 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
1392
|
|
|
1393 if (lmcf->combined_used) {
|
|
|
1394 if (ngx_array_init(&a, cf->pool, 1, sizeof(ngx_str_t)) != NGX_OK) {
|
|
|
1395 return NGX_ERROR;
|
|
|
1396 }
|
|
|
1397
|
|
|
1398 value = ngx_array_push(&a);
|
|
|
1399 if (value == NULL) {
|
|
|
1400 return NGX_ERROR;
|
|
|
1401 }
|
|
|
1402
|
|
|
1403 *value = ngx_http_combined_fmt;
|
|
|
1404 fmt = lmcf->formats.elts;
|
|
|
1405
|
|
|
1406 if (ngx_http_log_compile_format(cf, fmt->ops, &a, 0)
|
|
|
1407 != NGX_CONF_OK)
|
|
|
1408 {
|
|
|
1409 return NGX_ERROR;
|
|
|
1410 }
|
|
|
1411 }
|
|
|
1412
|
|
|
1413 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
118
|
1414
|
|
|
1415 cmcf->log_handler = ngx_http_log_handler;
|
|
|
1416
|
|
|
1417 return NGX_OK;
|
|
|
1418 }
|
