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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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182
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26 time_t disk_full_time;
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122
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27 ngx_array_t *ops; /* array of ngx_http_log_op_t */
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28 } ngx_http_log_t;
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29
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30 typedef struct {
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31 ngx_array_t *logs; /* array of ngx_http_log_t */
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32 ngx_uint_t off; /* unsigned off:1 */
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33 } ngx_http_log_loc_conf_t;
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34
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35
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36 typedef struct {
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37 ngx_str_t name;
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38 size_t len;
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39 ngx_http_log_op_run_pt run;
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40 } ngx_http_log_var_t;
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41
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42
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118
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43 static u_char *ngx_http_log_addr(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 u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
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46 ngx_http_log_op_t *op);
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47 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf,
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48 ngx_http_log_op_t *op);
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49 static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf,
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50 ngx_http_log_op_t *op);
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51 static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf,
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52 ngx_http_log_op_t *op);
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53 static u_char *ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf,
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54 ngx_http_log_op_t *op);
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55 static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf,
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56 ngx_http_log_op_t *op);
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122
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57 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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58 ngx_http_log_op_t *op);
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126
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59 static u_char *ngx_http_log_body_bytes_sent(ngx_http_request_t *r,
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122
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60 u_char *buf, ngx_http_log_op_t *op);
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118
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61 static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
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62 ngx_http_log_op_t *op);
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63
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64 static size_t ngx_http_log_request_getlen(ngx_http_request_t *r,
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65 uintptr_t data);
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66 static u_char *ngx_http_log_request(ngx_http_request_t *r, u_char *buf,
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67 ngx_http_log_op_t *op);
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68
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69 static ngx_int_t ngx_http_log_header_in_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_header_in_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_header_in(ngx_http_request_t *r, u_char *buf,
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74 ngx_http_log_op_t *op);
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75 static size_t ngx_http_log_unknown_header_in_getlen(ngx_http_request_t *r,
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76 uintptr_t data);
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77 static u_char *ngx_http_log_unknown_header_in(ngx_http_request_t *r,
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78 u_char *buf, ngx_http_log_op_t *op);
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79
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80 static ngx_int_t ngx_http_log_header_out_compile(ngx_conf_t *cf,
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81 ngx_http_log_op_t *op, ngx_str_t *value);
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82 static size_t ngx_http_log_header_out_getlen(ngx_http_request_t *r,
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83 uintptr_t data);
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84 static u_char *ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
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85 ngx_http_log_op_t *op);
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86 static size_t ngx_http_log_unknown_header_out_getlen(ngx_http_request_t *r,
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87 uintptr_t data);
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88 static u_char *ngx_http_log_unknown_header_out(ngx_http_request_t *r,
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89 u_char *buf, ngx_http_log_op_t *op);
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90
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91 static u_char *ngx_http_log_connection_header_out(ngx_http_request_t *r,
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92 u_char *buf, ngx_http_log_op_t *op);
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93 static u_char *ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r,
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94 u_char *buf, ngx_http_log_op_t *op);
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95
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96 static ngx_table_elt_t *ngx_http_log_unknown_header(ngx_list_t *headers,
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97 ngx_str_t *value);
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98
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99 static ngx_int_t ngx_http_log_variable_compile(ngx_conf_t *cf,
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100 ngx_http_log_op_t *op, ngx_str_t *value);
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101 static size_t ngx_http_log_variable_getlen(ngx_http_request_t *r,
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102 uintptr_t data);
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103 static u_char *ngx_http_log_variable(ngx_http_request_t *r, u_char *buf,
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104 ngx_http_log_op_t *op);
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105
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106
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107 static ngx_int_t ngx_http_log_set_formats(ngx_conf_t *cf);
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108 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf);
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109 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf);
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110 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
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111 void *child);
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112 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
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113 void *conf);
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114 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
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115 void *conf);
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122
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116 static char *ngx_http_log_compile_format(ngx_conf_t *cf,
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117 ngx_array_t *ops, ngx_array_t *args, ngx_uint_t s);
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118 static ngx_int_t ngx_http_log_init(ngx_conf_t *cf);
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118
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119
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120
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121 static ngx_command_t ngx_http_log_commands[] = {
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122
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123 { ngx_string("log_format"),
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124 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE,
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125 ngx_http_log_set_format,
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126 NGX_HTTP_MAIN_CONF_OFFSET,
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127 0,
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128 NULL },
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129
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130 { ngx_string("access_log"),
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194
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131 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
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132 |NGX_CONF_TAKE123,
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118
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133 ngx_http_log_set_log,
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134 NGX_HTTP_LOC_CONF_OFFSET,
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135 0,
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136 NULL },
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137
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138 ngx_null_command
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139 };
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140
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141
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142 ngx_http_module_t ngx_http_log_module_ctx = {
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143 ngx_http_log_set_formats, /* preconfiguration */
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122
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144 ngx_http_log_init, /* postconfiguration */
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118
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145
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146 ngx_http_log_create_main_conf, /* create main configuration */
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147 NULL, /* init main configuration */
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148
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149 NULL, /* create server configuration */
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150 NULL, /* merge server configuration */
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151
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152 ngx_http_log_create_loc_conf, /* create location configration */
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153 ngx_http_log_merge_loc_conf /* merge location configration */
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154 };
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155
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156
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157 ngx_module_t ngx_http_log_module = {
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158 NGX_MODULE_V1,
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159 &ngx_http_log_module_ctx, /* module context */
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160 ngx_http_log_commands, /* module directives */
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161 NGX_HTTP_MODULE, /* module type */
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162 NULL, /* init master */
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122
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163 NULL, /* init module */
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118
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164 NULL, /* init process */
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165 NULL, /* init thread */
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166 NULL, /* exit thread */
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167 NULL, /* exit process */
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168 NULL, /* exit master */
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169 NGX_MODULE_V1_PADDING
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170 };
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171
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172
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122
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173 static ngx_str_t http_access_log = ngx_string(NGX_HTTP_LOG_PATH);
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174
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175
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176 static ngx_str_t ngx_http_combined_fmt =
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130
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177 ngx_string("$remote_addr - $remote_user [$time_local] "
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126
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178 "\"$request\" $status $body_bytes_sent "
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122
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179 "\"$http_referer\" \"$http_user_agent\"");
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118
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180
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181
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122
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182 static ngx_http_log_var_t ngx_http_log_vars[] = {
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183 { ngx_string("connection"), NGX_ATOMIC_T_LEN, ngx_http_log_connection },
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184 { ngx_string("pipe"), 1, ngx_http_log_pipe },
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130
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185 { ngx_string("time_local"), sizeof("28/Sep/1970:12:00:00 +0600") - 1,
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122
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186 ngx_http_log_time },
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187 { ngx_string("msec"), NGX_TIME_T_LEN + 4, ngx_http_log_msec },
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188 { ngx_string("request_time"), NGX_TIME_T_LEN, ngx_http_log_request_time },
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189 { ngx_string("status"), 3, ngx_http_log_status },
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190 { ngx_string("bytes_sent"), NGX_OFF_T_LEN, ngx_http_log_bytes_sent },
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126
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191 { ngx_string("body_bytes_sent"), NGX_OFF_T_LEN,
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192 ngx_http_log_body_bytes_sent },
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122
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193 { ngx_string("apache_bytes_sent"), NGX_OFF_T_LEN,
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126
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194 ngx_http_log_body_bytes_sent },
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122
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195 { ngx_string("request_length"), NGX_SIZE_T_LEN,
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196 ngx_http_log_request_length },
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197
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198 { ngx_null_string, 0, NULL }
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199 };
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118
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200
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201
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122
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202 ngx_http_log_op_name_t ngx_http_log_fmt_ops[] = {
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118
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203 { ngx_string("addr"), INET_ADDRSTRLEN - 1, NULL, NULL, ngx_http_log_addr },
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204 { ngx_string("conn"), NGX_ATOMIC_T_LEN, NULL, NULL,
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205 ngx_http_log_connection },
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206 { ngx_string("pipe"), 1, NULL, NULL, ngx_http_log_pipe },
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207 { ngx_string("time"), sizeof("28/Sep/1970:12:00:00 +0600") - 1,
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208 NULL, NULL, ngx_http_log_time },
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209 { ngx_string("msec"), NGX_TIME_T_LEN + 4, NULL, NULL, ngx_http_log_msec },
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210 { ngx_string("request_time"), NGX_TIME_T_LEN, NULL, NULL,
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211 ngx_http_log_request_time },
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212 { ngx_string("status"), 3, NULL, NULL, ngx_http_log_status },
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122
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213 { ngx_string("length"), NGX_OFF_T_LEN,
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214 NULL, NULL, ngx_http_log_bytes_sent },
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118
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215 { ngx_string("apache_length"), NGX_OFF_T_LEN,
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126
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216 NULL, NULL, ngx_http_log_body_bytes_sent },
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118
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217 { ngx_string("request_length"), NGX_SIZE_T_LEN,
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218 NULL, NULL, ngx_http_log_request_length },
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219
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220 { ngx_string("request"), 0, NULL,
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221 ngx_http_log_request_getlen,
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222 ngx_http_log_request },
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223
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224 { ngx_string("i"), 0, ngx_http_log_header_in_compile, NULL,
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225 ngx_http_log_header_in },
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226 { ngx_string("o"), 0, ngx_http_log_header_out_compile, NULL,
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227 ngx_http_log_header_out },
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228 { ngx_string("v"), 0, ngx_http_log_variable_compile, NULL,
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229 ngx_http_log_variable },
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230
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231 { ngx_null_string, 0, NULL, NULL, NULL }
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232 };
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233
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234
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235 ngx_int_t
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236 ngx_http_log_handler(ngx_http_request_t *r)
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237 {
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238 ngx_uint_t i, l;
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239 u_char *line, *p;
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240 size_t len;
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241 ngx_http_log_t *log;
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120
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242 ngx_open_file_t *file;
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118
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243 ngx_http_log_op_t *op;
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244 ngx_http_log_loc_conf_t *lcf;
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245
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246 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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247 "http log handler");
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248
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249 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module);
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250
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251 if (lcf->off) {
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252 return NGX_OK;
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253 }
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254
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255 log = lcf->logs->elts;
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256 for (l = 0; l < lcf->logs->nelts; l++) {
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257
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182
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258 if (ngx_time() == log[l].disk_full_time) {
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259
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260 /*
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261 * On FreeBSD writing to a full filesystem with enabled softupdates
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262 * may block process for much longer time than writing to non-full
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263 * filesystem, so we skip writing the log for one second.
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264 */
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265
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266 continue;
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267 }
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268
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118
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269 len = 0;
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270 op = log[l].ops->elts;
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271 for (i = 0; i < log[l].ops->nelts; i++) {
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272 if (op[i].len == 0) {
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273 len += op[i].getlen(r, op[i].data);
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274
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275 } else {
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276 len += op[i].len;
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277 }
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278 }
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279
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120
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280 len += NGX_LINEFEED_SIZE;
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281
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282 file = log[l].file;
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283
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284 if (file->buffer) {
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285
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286 if (len > (size_t) (file->last - file->pos)) {
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287
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182
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288 if (ngx_write_fd(file->fd, file->buffer,
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289 file->pos - file->buffer)
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290 == -1
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291 && ngx_errno == NGX_ENOSPC)
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292 {
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293 log[l].disk_full_time = ngx_time();
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294 }
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120
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295
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296 file->pos = file->buffer;
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297 }
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298
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299 if (len <= (size_t) (file->last - file->pos)) {
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300
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301 p = file->pos;
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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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307 ngx_linefeed(p);
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308
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309 file->pos = p;
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310
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311 continue;
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312 }
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313 }
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118
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314
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315 line = ngx_palloc(r->pool, len);
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316 if (line == NULL) {
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317 return NGX_ERROR;
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318 }
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319
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320 p = line;
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321
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322 for (i = 0; i < log[l].ops->nelts; i++) {
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323 p = op[i].run(r, p, &op[i]);
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324 }
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325
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120
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326 ngx_linefeed(p);
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327
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182
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328 if (ngx_write_fd(file->fd, line, p - line) == -1
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329 && ngx_errno == NGX_ENOSPC)
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330 {
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331 log[l].disk_full_time = ngx_time();
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332 }
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118
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333 }
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334
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335 return NGX_OK;
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336 }
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337
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338
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339 static u_char *
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340 ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf,
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341 ngx_http_log_op_t *op)
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342 {
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343 size_t len;
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344 uintptr_t data;
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345
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346 len = op->len;
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347 data = op->data;
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348
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|
|
349 while (len--) {
|
|
|
350 *buf++ = (u_char) (data & 0xff);
|
|
|
351 data >>= 8;
|
|
|
352 }
|
|
|
353
|
|
|
354 return buf;
|
|
|
355 }
|
|
|
356
|
|
|
357
|
|
|
358 static u_char *
|
|
|
359 ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf,
|
|
|
360 ngx_http_log_op_t *op)
|
|
|
361 {
|
|
|
362 return ngx_cpymem(buf, (u_char *) op->data, op->len);
|
|
|
363 }
|
|
|
364
|
|
|
365
|
|
|
366 static u_char *
|
|
|
367 ngx_http_log_addr(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
368 {
|
|
|
369 return ngx_cpymem(buf, r->connection->addr_text.data,
|
|
|
370 r->connection->addr_text.len);
|
|
|
371 }
|
|
|
372
|
|
|
373
|
|
|
374 static u_char *
|
|
|
375 ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
|
|
|
376 ngx_http_log_op_t *op)
|
|
|
377 {
|
|
|
378 return ngx_sprintf(buf, "%ui", r->connection->number);
|
|
|
379 }
|
|
|
380
|
|
|
381
|
|
|
382 static u_char *
|
|
|
383 ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
384 {
|
|
|
385 if (r->pipeline) {
|
|
|
386 *buf = 'p';
|
|
|
387 } else {
|
|
|
388 *buf = '.';
|
|
|
389 }
|
|
|
390
|
|
|
391 return buf + 1;
|
|
|
392 }
|
|
|
393
|
|
|
394
|
|
|
395 static u_char *
|
|
|
396 ngx_http_log_time(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
397 {
|
|
|
398 return ngx_cpymem(buf, ngx_cached_http_log_time.data,
|
|
|
399 ngx_cached_http_log_time.len);
|
|
|
400 }
|
|
|
401
|
|
|
402
|
|
|
403 static u_char *
|
|
|
404 ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
405 {
|
|
|
406 ngx_time_t *tp;
|
|
|
407
|
|
|
408 tp = ngx_timeofday();
|
|
|
409
|
|
|
410 return ngx_sprintf(buf, "%T.%03M", tp->sec, tp->msec);
|
|
|
411 }
|
|
|
412
|
|
|
413
|
|
|
414 static u_char *
|
|
|
415 ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf,
|
|
|
416 ngx_http_log_op_t *op)
|
|
|
417 {
|
|
|
418 time_t elapsed;
|
|
|
419
|
|
|
420 elapsed = ngx_time() - r->start_time;
|
|
|
421
|
|
|
422 return ngx_sprintf(buf, "%T", elapsed);
|
|
|
423 }
|
|
|
424
|
|
|
425
|
|
|
426 static size_t
|
|
|
427 ngx_http_log_request_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
428 {
|
|
|
429 return r->request_line.len;
|
|
|
430 }
|
|
|
431
|
|
|
432
|
|
|
433 static u_char *
|
|
|
434 ngx_http_log_request(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
435 {
|
|
|
436 return ngx_cpymem(buf, r->request_line.data, r->request_line.len);
|
|
|
437 }
|
|
|
438
|
|
|
439
|
|
|
440 static u_char *
|
|
|
441 ngx_http_log_status(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
442 {
|
|
|
443 return ngx_sprintf(buf, "%ui",
|
|
|
444 r->err_status ? r->err_status : r->headers_out.status);
|
|
|
445 }
|
|
|
446
|
|
|
447
|
|
|
448 static u_char *
|
|
122
|
449 ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf,
|
|
|
450 ngx_http_log_op_t *op)
|
|
118
|
451 {
|
|
|
452 return ngx_sprintf(buf, "%O", r->connection->sent);
|
|
|
453 }
|
|
|
454
|
|
|
455
|
|
|
456 static u_char *
|
|
126
|
457 ngx_http_log_body_bytes_sent(ngx_http_request_t *r, u_char *buf,
|
|
118
|
458 ngx_http_log_op_t *op)
|
|
|
459 {
|
|
|
460 off_t length;
|
|
|
461
|
|
|
462 length = r->connection->sent - r->header_size;
|
|
|
463
|
|
|
464 if (length > 0) {
|
|
|
465 return ngx_sprintf(buf, "%O", length);
|
|
|
466 }
|
|
|
467
|
|
|
468 *buf = '0';
|
|
|
469
|
|
|
470 return buf + 1;
|
|
|
471 }
|
|
|
472
|
|
|
473
|
|
|
474 static u_char *
|
|
|
475 ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
|
|
|
476 ngx_http_log_op_t *op)
|
|
|
477 {
|
|
|
478 return ngx_sprintf(buf, "%z", r->request_length);
|
|
|
479 }
|
|
|
480
|
|
|
481
|
|
|
482 static ngx_int_t
|
|
|
483 ngx_http_log_header_in_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
|
484 ngx_str_t *value)
|
|
|
485 {
|
|
|
486 ngx_uint_t i;
|
|
|
487
|
|
|
488 op->len = 0;
|
|
|
489
|
|
|
490 for (i = 0; ngx_http_headers_in[i].name.len != 0; i++) {
|
|
|
491
|
|
|
492 if (ngx_http_headers_in[i].name.len != value->len) {
|
|
|
493 continue;
|
|
|
494 }
|
|
|
495
|
|
|
496 /* STUB: "Cookie" speacial handling */
|
|
|
497 if (ngx_http_headers_in[i].offset == 0) {
|
|
|
498 continue;
|
|
|
499 }
|
|
|
500
|
|
|
501 if (ngx_strncasecmp(ngx_http_headers_in[i].name.data, value->data,
|
|
|
502 value->len) == 0)
|
|
|
503 {
|
|
|
504 op->getlen = ngx_http_log_header_in_getlen;
|
|
|
505 op->run = ngx_http_log_header_in;
|
|
|
506 op->data = ngx_http_headers_in[i].offset;
|
|
|
507
|
|
|
508 return NGX_OK;
|
|
|
509 }
|
|
|
510 }
|
|
|
511
|
|
|
512 op->getlen = ngx_http_log_unknown_header_in_getlen;
|
|
|
513 op->run = ngx_http_log_unknown_header_in;
|
|
|
514 op->data = (uintptr_t) value;
|
|
|
515
|
|
|
516 return NGX_OK;
|
|
|
517 }
|
|
|
518
|
|
|
519
|
|
|
520 static size_t
|
|
|
521 ngx_http_log_header_in_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
522 {
|
|
|
523 ngx_table_elt_t *h;
|
|
|
524
|
|
|
525 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + data);
|
|
|
526
|
|
|
527 if (h) {
|
|
|
528 return h->value.len;
|
|
|
529 }
|
|
|
530
|
|
|
531 return 1;
|
|
|
532 }
|
|
|
533
|
|
|
534
|
|
|
535 static u_char *
|
|
|
536 ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
|
|
|
537 ngx_http_log_op_t *op)
|
|
|
538 {
|
|
|
539 ngx_table_elt_t *h;
|
|
|
540
|
|
|
541 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + op->data);
|
|
|
542
|
|
|
543 if (h) {
|
|
|
544 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
545 }
|
|
|
546
|
|
|
547 *buf = '-';
|
|
|
548
|
|
|
549 return buf + 1;
|
|
|
550 }
|
|
|
551
|
|
|
552
|
|
|
553 static size_t
|
|
|
554 ngx_http_log_unknown_header_in_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
555 {
|
|
|
556 ngx_table_elt_t *h;
|
|
|
557
|
|
|
558 h = ngx_http_log_unknown_header(&r->headers_in.headers, (ngx_str_t *) data);
|
|
|
559
|
|
|
560 if (h) {
|
|
|
561 return h->value.len;
|
|
|
562 }
|
|
|
563
|
|
|
564 return 1;
|
|
|
565 }
|
|
|
566
|
|
|
567
|
|
|
568 static u_char *
|
|
|
569 ngx_http_log_unknown_header_in(ngx_http_request_t *r, u_char *buf,
|
|
|
570 ngx_http_log_op_t *op)
|
|
|
571 {
|
|
|
572 ngx_table_elt_t *h;
|
|
|
573
|
|
|
574 h = ngx_http_log_unknown_header(&r->headers_in.headers,
|
|
|
575 (ngx_str_t *) op->data);
|
|
|
576
|
|
|
577 if (h) {
|
|
|
578 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
579 }
|
|
|
580
|
|
|
581 *buf = '-';
|
|
|
582
|
|
|
583 return buf + 1;
|
|
|
584 }
|
|
|
585
|
|
|
586
|
|
|
587 static ngx_int_t
|
|
|
588 ngx_http_log_header_out_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
|
589 ngx_str_t *value)
|
|
|
590 {
|
|
|
591 ngx_uint_t i;
|
|
|
592
|
|
|
593 op->len = 0;
|
|
|
594
|
|
|
595 for (i = 0; ngx_http_headers_out[i].name.len != 0; i++) {
|
|
|
596
|
|
|
597 if (ngx_http_headers_out[i].name.len != value->len) {
|
|
|
598 continue;
|
|
|
599 }
|
|
|
600
|
|
|
601 if (ngx_strncasecmp(ngx_http_headers_out[i].name.data, value->data,
|
|
|
602 value->len) == 0)
|
|
|
603 {
|
|
|
604 op->getlen = ngx_http_log_header_out_getlen;
|
|
|
605 op->run = ngx_http_log_header_out;
|
|
|
606 op->data = ngx_http_headers_out[i].offset;
|
|
|
607
|
|
|
608 return NGX_OK;
|
|
|
609 }
|
|
|
610 }
|
|
|
611
|
|
|
612 if (value->len == sizeof("Connection") - 1
|
|
|
613 && ngx_strncasecmp(value->data, "Connection", value->len) == 0)
|
|
|
614 {
|
|
|
615 op->len = sizeof("keep-alive") - 1;
|
|
|
616 op->getlen = NULL;
|
|
|
617 op->run = ngx_http_log_connection_header_out;
|
|
|
618 op->data = 0;
|
|
|
619 return NGX_OK;
|
|
|
620 }
|
|
|
621
|
|
|
622 if (value->len == sizeof("Transfer-Encoding") - 1
|
|
|
623 && ngx_strncasecmp(value->data, "Transfer-Encoding", value->len) == 0)
|
|
|
624 {
|
|
|
625 op->len = sizeof("chunked") - 1;
|
|
|
626 op->getlen = NULL;
|
|
|
627 op->run = ngx_http_log_transfer_encoding_header_out;
|
|
|
628 op->data = 0;
|
|
|
629 return NGX_OK;
|
|
|
630 }
|
|
|
631
|
|
|
632 op->getlen = ngx_http_log_unknown_header_out_getlen;
|
|
|
633 op->run = ngx_http_log_unknown_header_out;
|
|
|
634 op->data = (uintptr_t) value;
|
|
|
635
|
|
|
636 return NGX_OK;
|
|
|
637 }
|
|
|
638
|
|
|
639
|
|
|
640 static size_t
|
|
|
641 ngx_http_log_header_out_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
642 {
|
|
|
643 ngx_table_elt_t *h;
|
|
|
644
|
|
|
645 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + data);
|
|
|
646
|
|
|
647 if (h) {
|
|
|
648 return h->value.len;
|
|
|
649 }
|
|
|
650
|
|
|
651 /*
|
|
|
652 * No header pointer was found.
|
|
|
653 * However, some headers: "Date", "Server", "Content-Length",
|
|
|
654 * and "Last-Modified" have a special handling in the header filter,
|
|
|
655 * but we do not set up their pointers in the filter,
|
|
|
656 * because they are too seldom needed to be logged.
|
|
|
657 */
|
|
|
658
|
|
|
659 if (data == offsetof(ngx_http_headers_out_t, date)) {
|
|
|
660 return ngx_cached_http_time.len;
|
|
|
661 }
|
|
|
662
|
|
|
663 if (data == offsetof(ngx_http_headers_out_t, server)) {
|
|
|
664 return (sizeof(NGINX_VER) - 1);
|
|
|
665 }
|
|
|
666
|
|
|
667 if (data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
|
668 if (r->headers_out.content_length_n == -1) {
|
|
|
669 return 1;
|
|
|
670 }
|
|
|
671
|
|
|
672 return NGX_OFF_T_LEN;
|
|
|
673 }
|
|
|
674
|
|
|
675 if (data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
|
676 if (r->headers_out.last_modified_time == -1) {
|
|
|
677 return 1;
|
|
|
678 }
|
|
|
679
|
|
|
680 return sizeof("Mon, 28 Sep 1970 06:00:00 GMT") - 1;
|
|
|
681 }
|
|
|
682
|
|
|
683 return 1;
|
|
|
684 }
|
|
|
685
|
|
|
686
|
|
|
687 static u_char *
|
|
|
688 ngx_http_log_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_table_elt_t **) ((char *) &r->headers_out + op->data);
|
|
|
694
|
|
|
695 if (h) {
|
|
|
696 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
697 }
|
|
|
698
|
|
|
699 /*
|
|
|
700 * No header pointer was found.
|
|
|
701 * However, some headers: "Date", "Server", "Content-Length",
|
|
|
702 * and "Last-Modified" have a special handling in the header filter,
|
|
|
703 * but we do not set up their pointers in the filter,
|
|
|
704 * because they are too seldom needed to be logged.
|
|
|
705 */
|
|
|
706
|
|
|
707 if (op->data == offsetof(ngx_http_headers_out_t, date)) {
|
|
|
708 return ngx_cpymem(buf, ngx_cached_http_time.data,
|
|
|
709 ngx_cached_http_time.len);
|
|
|
710 }
|
|
|
711
|
|
|
712 if (op->data == offsetof(ngx_http_headers_out_t, server)) {
|
|
|
713 return ngx_cpymem(buf, NGINX_VER, sizeof(NGINX_VER) - 1);
|
|
|
714 }
|
|
|
715
|
|
|
716 if (op->data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
|
717 if (r->headers_out.content_length_n == -1) {
|
|
|
718 *buf = '-';
|
|
|
719
|
|
|
720 return buf + 1;
|
|
|
721 }
|
|
|
722
|
|
|
723 return ngx_sprintf(buf, "%O", r->headers_out.content_length_n);
|
|
|
724 }
|
|
|
725
|
|
|
726 if (op->data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
|
727 if (r->headers_out.last_modified_time == -1) {
|
|
|
728 *buf = '-';
|
|
|
729
|
|
|
730 return buf + 1;
|
|
|
731 }
|
|
|
732
|
|
|
733 return ngx_http_time(buf, r->headers_out.last_modified_time);
|
|
|
734 }
|
|
|
735
|
|
|
736 *buf = '-';
|
|
|
737
|
|
|
738 return buf + 1;
|
|
|
739 }
|
|
|
740
|
|
|
741
|
|
|
742 static size_t
|
|
|
743 ngx_http_log_unknown_header_out_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
744 {
|
|
|
745 ngx_table_elt_t *h;
|
|
|
746
|
|
|
747 h = ngx_http_log_unknown_header(&r->headers_out.headers,
|
|
|
748 (ngx_str_t *) data);
|
|
|
749
|
|
|
750 if (h) {
|
|
|
751 return h->value.len;
|
|
|
752 }
|
|
|
753
|
|
|
754 return 1;
|
|
|
755 }
|
|
|
756
|
|
|
757
|
|
|
758 static u_char *
|
|
|
759 ngx_http_log_unknown_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
760 ngx_http_log_op_t *op)
|
|
|
761 {
|
|
|
762 ngx_table_elt_t *h;
|
|
|
763
|
|
|
764 h = ngx_http_log_unknown_header(&r->headers_out.headers,
|
|
|
765 (ngx_str_t *) op->data);
|
|
|
766
|
|
|
767 if (h) {
|
|
|
768 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
769 }
|
|
|
770
|
|
|
771 *buf = '-';
|
|
|
772
|
|
|
773 return buf + 1;
|
|
|
774 }
|
|
|
775
|
|
|
776
|
|
|
777 static ngx_table_elt_t *
|
|
|
778 ngx_http_log_unknown_header(ngx_list_t *headers, ngx_str_t *value)
|
|
|
779 {
|
|
|
780 ngx_uint_t i;
|
|
|
781 ngx_list_part_t *part;
|
|
|
782 ngx_table_elt_t *h;
|
|
|
783
|
|
|
784 part = &headers->part;
|
|
|
785 h = part->elts;
|
|
|
786
|
|
|
787 for (i = 0; /* void */; i++) {
|
|
|
788
|
|
|
789 if (i >= part->nelts) {
|
|
|
790 if (part->next == NULL) {
|
|
|
791 break;
|
|
|
792 }
|
|
|
793
|
|
|
794 part = part->next;
|
|
|
795 h = part->elts;
|
|
|
796 i = 0;
|
|
|
797 }
|
|
|
798
|
|
|
799 if (h[i].key.len != value->len) {
|
|
|
800 continue;
|
|
|
801 }
|
|
|
802
|
|
|
803 if (ngx_strncasecmp(h[i].key.data, value->data, value->len) == 0) {
|
|
|
804 return &h[i];
|
|
|
805 }
|
|
|
806 }
|
|
|
807
|
|
|
808 return NULL;
|
|
|
809 }
|
|
|
810
|
|
|
811
|
|
|
812 static u_char *
|
|
|
813 ngx_http_log_connection_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
814 ngx_http_log_op_t *op)
|
|
|
815 {
|
|
|
816 if (r->keepalive) {
|
|
|
817 return ngx_cpymem(buf, "keep-alive", sizeof("keep-alive") - 1);
|
|
|
818
|
|
|
819 } else {
|
|
|
820 return ngx_cpymem(buf, "close", sizeof("close") - 1);
|
|
|
821 }
|
|
|
822 }
|
|
|
823
|
|
|
824
|
|
|
825 static u_char *
|
|
|
826 ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
827 ngx_http_log_op_t *op)
|
|
|
828 {
|
|
|
829 if (r->chunked) {
|
|
|
830 return ngx_cpymem(buf, "chunked", sizeof("chunked") - 1);
|
|
|
831 }
|
|
|
832
|
|
|
833 *buf = '-';
|
|
|
834
|
|
|
835 return buf + 1;
|
|
|
836 }
|
|
|
837
|
|
|
838
|
|
126
|
839 static ngx_int_t
|
|
118
|
840 ngx_http_log_variable_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
|
841 ngx_str_t *value)
|
|
|
842 {
|
|
|
843 ngx_int_t index;
|
|
|
844
|
|
|
845 index = ngx_http_get_variable_index(cf, value);
|
|
|
846 if (index == NGX_ERROR) {
|
|
|
847 return NGX_ERROR;
|
|
|
848 }
|
|
|
849
|
|
|
850 op->len = 0;
|
|
|
851 op->getlen = ngx_http_log_variable_getlen;
|
|
|
852 op->run = ngx_http_log_variable;
|
|
|
853 op->data = index;
|
|
|
854
|
|
|
855 return NGX_OK;
|
|
|
856 }
|
|
|
857
|
|
|
858
|
|
|
859 static size_t
|
|
|
860 ngx_http_log_variable_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
861 {
|
|
|
862 ngx_http_variable_value_t *value;
|
|
|
863
|
|
|
864 value = ngx_http_get_indexed_variable(r, data);
|
|
|
865
|
|
122
|
866 if (value == NULL || value->not_found) {
|
|
118
|
867 return 1;
|
|
|
868 }
|
|
|
869
|
|
122
|
870 return value->len;
|
|
118
|
871 }
|
|
|
872
|
|
|
873
|
|
|
874 static u_char *
|
|
|
875 ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
876 {
|
|
|
877 ngx_http_variable_value_t *value;
|
|
|
878
|
|
|
879 value = ngx_http_get_indexed_variable(r, op->data);
|
|
|
880
|
|
122
|
881 if (value == NULL || value->not_found) {
|
|
118
|
882 *buf = '-';
|
|
|
883 return buf + 1;
|
|
|
884 }
|
|
|
885
|
|
122
|
886 return ngx_cpymem(buf, value->data, value->len);
|
|
118
|
887 }
|
|
|
888
|
|
|
889
|
|
|
890 static ngx_int_t
|
|
|
891 ngx_http_log_set_formats(ngx_conf_t *cf)
|
|
|
892 {
|
|
|
893 ngx_http_log_op_name_t *op;
|
|
|
894
|
|
|
895 for (op = ngx_http_log_fmt_ops; op->name.len; op++) { /* void */ }
|
|
|
896 op->run = NULL;
|
|
|
897
|
|
|
898 return NGX_OK;
|
|
|
899 }
|
|
|
900
|
|
|
901
|
|
|
902 static void *
|
|
|
903 ngx_http_log_create_main_conf(ngx_conf_t *cf)
|
|
|
904 {
|
|
|
905 ngx_http_log_main_conf_t *conf;
|
|
|
906
|
|
122
|
907 ngx_http_log_fmt_t *fmt;
|
|
118
|
908
|
|
|
909 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t));
|
|
|
910 if (conf == NULL) {
|
|
|
911 return NGX_CONF_ERROR;
|
|
|
912 }
|
|
|
913
|
|
|
914 if (ngx_array_init(&conf->formats, cf->pool, 4, sizeof(ngx_http_log_fmt_t))
|
|
122
|
915 != NGX_OK)
|
|
118
|
916 {
|
|
|
917 return NGX_CONF_ERROR;
|
|
|
918 }
|
|
|
919
|
|
122
|
920 fmt = ngx_array_push(&conf->formats);
|
|
|
921 if (fmt == NULL) {
|
|
118
|
922 return NGX_CONF_ERROR;
|
|
|
923 }
|
|
|
924
|
|
122
|
925 fmt->name.len = sizeof("combined") - 1;
|
|
|
926 fmt->name.data = (u_char *) "combined";
|
|
118
|
927
|
|
122
|
928 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t));
|
|
|
929 if (fmt->ops == NULL) {
|
|
118
|
930 return NGX_CONF_ERROR;
|
|
|
931 }
|
|
|
932
|
|
|
933 return conf;
|
|
|
934 }
|
|
|
935
|
|
|
936
|
|
|
937 static void *
|
|
|
938 ngx_http_log_create_loc_conf(ngx_conf_t *cf)
|
|
|
939 {
|
|
|
940 ngx_http_log_loc_conf_t *conf;
|
|
|
941
|
|
|
942 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t));
|
|
|
943 if (conf == NULL) {
|
|
|
944 return NGX_CONF_ERROR;
|
|
|
945 }
|
|
|
946
|
|
|
947 return conf;
|
|
|
948 }
|
|
|
949
|
|
|
950
|
|
|
951 static char *
|
|
|
952 ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
953 {
|
|
|
954 ngx_http_log_loc_conf_t *prev = parent;
|
|
|
955 ngx_http_log_loc_conf_t *conf = child;
|
|
|
956
|
|
|
957 ngx_http_log_t *log;
|
|
|
958 ngx_http_log_fmt_t *fmt;
|
|
|
959 ngx_http_log_main_conf_t *lmcf;
|
|
|
960
|
|
|
961 if (conf->logs == NULL) {
|
|
|
962
|
|
|
963 if (conf->off) {
|
|
|
964 return NGX_CONF_OK;
|
|
|
965 }
|
|
|
966
|
|
|
967 if (prev->logs) {
|
|
|
968 conf->logs = prev->logs;
|
|
|
969
|
|
|
970 } else {
|
|
|
971
|
|
|
972 if (prev->off) {
|
|
|
973 conf->off = prev->off;
|
|
|
974 return NGX_CONF_OK;
|
|
|
975 }
|
|
|
976
|
|
|
977 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
978 if (conf->logs == NULL) {
|
|
|
979 return NGX_CONF_ERROR;
|
|
|
980 }
|
|
|
981
|
|
|
982 log = ngx_array_push(conf->logs);
|
|
|
983 if (log == NULL) {
|
|
|
984 return NGX_CONF_ERROR;
|
|
|
985 }
|
|
|
986
|
|
|
987 log->file = ngx_conf_open_file(cf->cycle, &http_access_log);
|
|
|
988 if (log->file == NULL) {
|
|
|
989 return NGX_CONF_ERROR;
|
|
|
990 }
|
|
|
991
|
|
|
992 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
993 fmt = lmcf->formats.elts;
|
|
|
994
|
|
|
995 /* the default "combined" format */
|
|
|
996 log->ops = fmt[0].ops;
|
|
122
|
997 lmcf->combined_used = 1;
|
|
118
|
998 }
|
|
|
999 }
|
|
|
1000
|
|
|
1001 return NGX_CONF_OK;
|
|
|
1002 }
|
|
|
1003
|
|
|
1004
|
|
|
1005 static char *
|
|
|
1006 ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1007 {
|
|
|
1008 ngx_http_log_loc_conf_t *llcf = conf;
|
|
|
1009
|
|
120
|
1010 ssize_t buf;
|
|
118
|
1011 ngx_uint_t i;
|
|
|
1012 ngx_str_t *value, name;
|
|
|
1013 ngx_http_log_t *log;
|
|
|
1014 ngx_http_log_fmt_t *fmt;
|
|
|
1015 ngx_http_log_main_conf_t *lmcf;
|
|
|
1016
|
|
|
1017 value = cf->args->elts;
|
|
|
1018
|
|
|
1019 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
1020 llcf->off = 1;
|
|
|
1021 return NGX_CONF_OK;
|
|
|
1022 }
|
|
|
1023
|
|
|
1024 if (llcf->logs == NULL) {
|
|
|
1025 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
1026 if (llcf->logs == NULL) {
|
|
|
1027 return NGX_CONF_ERROR;
|
|
|
1028 }
|
|
|
1029 }
|
|
|
1030
|
|
|
1031 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
1032
|
|
|
1033 log = ngx_array_push(llcf->logs);
|
|
|
1034 if (log == NULL) {
|
|
|
1035 return NGX_CONF_ERROR;
|
|
|
1036 }
|
|
|
1037
|
|
|
1038 log->file = ngx_conf_open_file(cf->cycle, &value[1]);
|
|
|
1039 if (log->file == NULL) {
|
|
|
1040 return NGX_CONF_ERROR;
|
|
|
1041 }
|
|
|
1042
|
|
182
|
1043 log->disk_full_time = 0;
|
|
|
1044
|
|
120
|
1045 if (cf->args->nelts >= 3) {
|
|
118
|
1046 name = value[2];
|
|
130
|
1047
|
|
|
1048 if (ngx_strcmp(name.data, "combined") == 0) {
|
|
|
1049 lmcf->combined_used = 1;
|
|
|
1050 }
|
|
|
1051
|
|
118
|
1052 } else {
|
|
|
1053 name.len = sizeof("combined") - 1;
|
|
|
1054 name.data = (u_char *) "combined";
|
|
122
|
1055 lmcf->combined_used = 1;
|
|
118
|
1056 }
|
|
|
1057
|
|
|
1058 fmt = lmcf->formats.elts;
|
|
|
1059 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
1060 if (fmt[i].name.len == name.len
|
|
|
1061 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0)
|
|
|
1062 {
|
|
|
1063 log->ops = fmt[i].ops;
|
|
120
|
1064 goto buffer;
|
|
118
|
1065 }
|
|
|
1066 }
|
|
|
1067
|
|
|
1068 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1069 "unknown log format \"%V\"", &name);
|
|
120
|
1070 return NGX_CONF_ERROR;
|
|
118
|
1071
|
|
120
|
1072 buffer:
|
|
|
1073
|
|
|
1074 if (cf->args->nelts == 4) {
|
|
|
1075 if (ngx_strncmp(value[3].data, "buffer=", 7) != 0) {
|
|
|
1076 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1077 "invalid parameter \"%V\"", &value[3]);
|
|
|
1078 return NGX_CONF_ERROR;
|
|
|
1079 }
|
|
|
1080
|
|
|
1081 name.len = value[3].len - 7;
|
|
|
1082 name.data = value[3].data + 7;
|
|
|
1083
|
|
|
1084 buf = ngx_parse_size(&name);
|
|
|
1085
|
|
|
1086 if (buf == NGX_ERROR) {
|
|
|
1087 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1088 "invalid parameter \"%V\"", &value[3]);
|
|
|
1089 return NGX_CONF_ERROR;
|
|
|
1090 }
|
|
|
1091
|
|
|
1092 if (log->file->buffer && log->file->last - log->file->pos != buf) {
|
|
|
1093 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1094 "access_log \"%V\" already defined "
|
|
|
1095 "with different buffer size", &value[1]);
|
|
|
1096 return NGX_CONF_ERROR;
|
|
|
1097 }
|
|
|
1098
|
|
|
1099 log->file->buffer = ngx_palloc(cf->pool, buf);
|
|
|
1100 if (log->file->buffer == NULL) {
|
|
|
1101 return NGX_CONF_ERROR;
|
|
|
1102 }
|
|
|
1103
|
|
|
1104 log->file->pos = log->file->buffer;
|
|
|
1105 log->file->last = log->file->buffer + buf;
|
|
|
1106 }
|
|
|
1107
|
|
|
1108 return NGX_CONF_OK;
|
|
118
|
1109 }
|
|
|
1110
|
|
|
1111
|
|
|
1112 static char *
|
|
|
1113 ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1114 {
|
|
|
1115 ngx_http_log_main_conf_t *lmcf = conf;
|
|
|
1116
|
|
122
|
1117 ngx_str_t *value;
|
|
|
1118 ngx_uint_t i;
|
|
|
1119 ngx_http_log_fmt_t *fmt;
|
|
118
|
1120
|
|
|
1121 value = cf->args->elts;
|
|
|
1122
|
|
|
1123 fmt = lmcf->formats.elts;
|
|
122
|
1124 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
1125 if (fmt[i].name.len == value[1].len
|
|
|
1126 && ngx_strcmp(fmt[i].name.data, value[1].data) == 0)
|
|
118
|
1127 {
|
|
|
1128 return "duplicate \"log_format\" name";
|
|
|
1129 }
|
|
|
1130 }
|
|
|
1131
|
|
|
1132 fmt = ngx_array_push(&lmcf->formats);
|
|
|
1133 if (fmt == NULL) {
|
|
|
1134 return NGX_CONF_ERROR;
|
|
|
1135 }
|
|
|
1136
|
|
|
1137 fmt->name = value[1];
|
|
|
1138
|
|
122
|
1139 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t));
|
|
118
|
1140 if (fmt->ops == NULL) {
|
|
|
1141 return NGX_CONF_ERROR;
|
|
|
1142 }
|
|
|
1143
|
|
122
|
1144 return ngx_http_log_compile_format(cf, fmt->ops, cf->args, 2);
|
|
|
1145 }
|
|
|
1146
|
|
118
|
1147
|
|
122
|
1148 static char *
|
|
|
1149 ngx_http_log_compile_format(ngx_conf_t *cf, ngx_array_t *ops,
|
|
|
1150 ngx_array_t *args, ngx_uint_t s)
|
|
|
1151 {
|
|
|
1152 u_char *data, *p, *fname, *arg_data, ch;
|
|
|
1153 size_t i, len, fname_len, arg_len;
|
|
|
1154 ngx_str_t *value, var, *a;
|
|
|
1155 ngx_uint_t bracket;
|
|
|
1156 ngx_http_log_op_t *op;
|
|
|
1157 ngx_http_log_var_t *v;
|
|
|
1158 ngx_http_log_op_name_t *name;
|
|
|
1159 static ngx_uint_t warn;
|
|
|
1160
|
|
|
1161 value = args->elts;
|
|
|
1162 arg_data = NULL;
|
|
|
1163
|
|
|
1164 for ( /* void */ ; s < args->nelts; s++) {
|
|
118
|
1165
|
|
|
1166 i = 0;
|
|
|
1167
|
|
|
1168 while (i < value[s].len) {
|
|
|
1169
|
|
122
|
1170 op = ngx_array_push(ops);
|
|
118
|
1171 if (op == NULL) {
|
|
|
1172 return NGX_CONF_ERROR;
|
|
|
1173 }
|
|
|
1174
|
|
|
1175 data = &value[s].data[i];
|
|
|
1176
|
|
|
1177 if (value[s].data[i] == '%') {
|
|
|
1178 i++;
|
|
|
1179
|
|
|
1180 if (i == value[s].len) {
|
|
|
1181 goto invalid;
|
|
|
1182 }
|
|
|
1183
|
|
|
1184 if (value[s].data[i] == '{') {
|
|
|
1185 i++;
|
|
|
1186
|
|
122
|
1187 arg_data = &value[s].data[i];
|
|
118
|
1188
|
|
|
1189 while (i < value[s].len && value[s].data[i] != '}') {
|
|
|
1190 i++;
|
|
|
1191 }
|
|
|
1192
|
|
122
|
1193 arg_len = &value[s].data[i] - arg_data;
|
|
118
|
1194
|
|
122
|
1195 if (i == value[s].len || arg_len == 0) {
|
|
118
|
1196 goto invalid;
|
|
|
1197 }
|
|
|
1198
|
|
|
1199 i++;
|
|
|
1200
|
|
|
1201 } else {
|
|
122
|
1202 arg_len = 0;
|
|
|
1203 }
|
|
|
1204
|
|
|
1205 if (warn == 0) {
|
|
|
1206 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1207 "the parameters in the \"%%name\" form are deprecated, "
|
|
|
1208 "use the \"$variable\" instead");
|
|
|
1209 warn = 1;
|
|
118
|
1210 }
|
|
|
1211
|
|
|
1212 fname = &value[s].data[i];
|
|
|
1213
|
|
|
1214 while (i < value[s].len
|
|
|
1215 && ((value[s].data[i] >= 'a' && value[s].data[i] <= 'z')
|
|
|
1216 || value[s].data[i] == '_'))
|
|
|
1217 {
|
|
|
1218 i++;
|
|
|
1219 }
|
|
|
1220
|
|
|
1221 fname_len = &value[s].data[i] - fname;
|
|
|
1222
|
|
|
1223 if (fname_len == 0) {
|
|
|
1224 goto invalid;
|
|
|
1225 }
|
|
|
1226
|
|
|
1227 for (name = ngx_http_log_fmt_ops; name->run; name++) {
|
|
|
1228 if (name->name.len == 0) {
|
|
|
1229 name = (ngx_http_log_op_name_t *) name->run;
|
|
|
1230 }
|
|
|
1231
|
|
|
1232 if (name->name.len == fname_len
|
|
|
1233 && ngx_strncmp(name->name.data, fname, fname_len) == 0)
|
|
|
1234 {
|
|
|
1235 if (name->compile == NULL) {
|
|
122
|
1236 if (arg_len) {
|
|
118
|
1237 fname[fname_len] = '\0';
|
|
|
1238 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1239 "\"%s\" must not have argument",
|
|
|
1240 data);
|
|
|
1241 return NGX_CONF_ERROR;
|
|
|
1242 }
|
|
|
1243
|
|
|
1244 op->len = name->len;
|
|
|
1245 op->getlen = name->getlen;
|
|
|
1246 op->run = name->run;
|
|
|
1247 op->data = 0;
|
|
|
1248
|
|
|
1249 break;
|
|
|
1250 }
|
|
|
1251
|
|
122
|
1252 if (arg_len == 0) {
|
|
118
|
1253 fname[fname_len] = '\0';
|
|
|
1254 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
126
|
1255 "\"%s\" requires argument",
|
|
118
|
1256 data);
|
|
|
1257 return NGX_CONF_ERROR;
|
|
|
1258 }
|
|
|
1259
|
|
|
1260 a = ngx_palloc(cf->pool, sizeof(ngx_str_t));
|
|
|
1261 if (a == NULL) {
|
|
|
1262 return NGX_CONF_ERROR;
|
|
|
1263 }
|
|
|
1264
|
|
122
|
1265 a->len = arg_len;
|
|
|
1266 a->data = arg_data;
|
|
|
1267
|
|
118
|
1268 if (name->compile(cf, op, a) == NGX_ERROR) {
|
|
|
1269 return NGX_CONF_ERROR;
|
|
|
1270 }
|
|
|
1271
|
|
|
1272 break;
|
|
|
1273 }
|
|
|
1274 }
|
|
|
1275
|
|
|
1276 if (name->name.len == 0) {
|
|
|
1277 goto invalid;
|
|
|
1278 }
|
|
|
1279
|
|
122
|
1280 continue;
|
|
|
1281
|
|
118
|
1282 } else if (value[s].data[i] == '$') {
|
|
|
1283
|
|
|
1284 if (++i == value[s].len) {
|
|
|
1285 goto invalid;
|
|
|
1286 }
|
|
|
1287
|
|
|
1288 if (value[s].data[i] == '{') {
|
|
|
1289 bracket = 1;
|
|
|
1290
|
|
|
1291 if (++i == value[s].len) {
|
|
|
1292 goto invalid;
|
|
|
1293 }
|
|
|
1294
|
|
|
1295 var.data = &value[s].data[i];
|
|
|
1296
|
|
|
1297 } else {
|
|
|
1298 bracket = 0;
|
|
|
1299 var.data = &value[s].data[i];
|
|
|
1300 }
|
|
|
1301
|
|
|
1302 for (var.len = 0; i < value[s].len; i++, var.len++) {
|
|
|
1303 ch = value[s].data[i];
|
|
|
1304
|
|
|
1305 if (ch == '}' && bracket) {
|
|
|
1306 i++;
|
|
|
1307 bracket = 0;
|
|
|
1308 break;
|
|
|
1309 }
|
|
|
1310
|
|
|
1311 if ((ch >= 'A' && ch <= 'Z')
|
|
|
1312 || (ch >= 'a' && ch <= 'z')
|
|
|
1313 || (ch >= '0' && ch <= '9')
|
|
|
1314 || ch == '_')
|
|
|
1315 {
|
|
|
1316 continue;
|
|
|
1317 }
|
|
|
1318
|
|
|
1319 break;
|
|
|
1320 }
|
|
|
1321
|
|
|
1322 if (bracket) {
|
|
|
1323 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1324 "the closing bracket in \"%V\" "
|
|
|
1325 "variable is missing", &var);
|
|
|
1326 return NGX_CONF_ERROR;
|
|
|
1327 }
|
|
|
1328
|
|
|
1329 if (var.len == 0) {
|
|
|
1330 goto invalid;
|
|
|
1331 }
|
|
|
1332
|
|
126
|
1333 if (ngx_strncmp(var.data, "apache_bytes_sent", 17) == 0) {
|
|
|
1334 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1335 "use \"$body_bytes_sent\" instead of "
|
|
|
1336 "\"$apache_bytes_sent\"");
|
|
|
1337 }
|
|
|
1338
|
|
122
|
1339 for (v = ngx_http_log_vars; v->name.len; v++) {
|
|
|
1340
|
|
|
1341 if (v->name.len == var.len
|
|
|
1342 && ngx_strncmp(v->name.data, var.data, var.len) == 0)
|
|
|
1343 {
|
|
|
1344 op->len = v->len;
|
|
|
1345 op->getlen = NULL;
|
|
|
1346 op->run = v->run;
|
|
|
1347 op->data = 0;
|
|
|
1348
|
|
|
1349 goto found;
|
|
|
1350 }
|
|
|
1351 }
|
|
|
1352
|
|
118
|
1353 if (ngx_http_log_variable_compile(cf, op, &var) != NGX_OK) {
|
|
|
1354 return NGX_CONF_ERROR;
|
|
|
1355 }
|
|
|
1356
|
|
122
|
1357 found:
|
|
|
1358
|
|
|
1359 continue;
|
|
|
1360 }
|
|
|
1361
|
|
|
1362 i++;
|
|
118
|
1363
|
|
122
|
1364 while (i < value[s].len
|
|
|
1365 && value[s].data[i] != '$'
|
|
|
1366 && value[s].data[i] != '%')
|
|
|
1367 {
|
|
|
1368 i++;
|
|
|
1369 }
|
|
118
|
1370
|
|
122
|
1371 len = &value[s].data[i] - data;
|
|
118
|
1372
|
|
122
|
1373 if (len) {
|
|
118
|
1374
|
|
122
|
1375 op->len = len;
|
|
|
1376 op->getlen = NULL;
|
|
118
|
1377
|
|
122
|
1378 if (len <= sizeof(uintptr_t)) {
|
|
|
1379 op->run = ngx_http_log_copy_short;
|
|
|
1380 op->data = 0;
|
|
118
|
1381
|
|
122
|
1382 while (len--) {
|
|
|
1383 op->data <<= 8;
|
|
|
1384 op->data |= data[len];
|
|
|
1385 }
|
|
|
1386
|
|
|
1387 } else {
|
|
|
1388 op->run = ngx_http_log_copy_long;
|
|
118
|
1389
|
|
122
|
1390 p = ngx_palloc(cf->pool, len);
|
|
|
1391 if (p == NULL) {
|
|
|
1392 return NGX_CONF_ERROR;
|
|
|
1393 }
|
|
118
|
1394
|
|
122
|
1395 ngx_memcpy(p, data, len);
|
|
|
1396 op->data = (uintptr_t) p;
|
|
118
|
1397 }
|
|
|
1398 }
|
|
|
1399 }
|
|
|
1400 }
|
|
|
1401
|
|
|
1402 return NGX_CONF_OK;
|
|
|
1403
|
|
|
1404 invalid:
|
|
|
1405
|
|
|
1406 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%s\"", data);
|
|
|
1407
|
|
|
1408 return NGX_CONF_ERROR;
|
|
|
1409 }
|
|
|
1410
|
|
|
1411
|
|
|
1412 static ngx_int_t
|
|
122
|
1413 ngx_http_log_init(ngx_conf_t *cf)
|
|
118
|
1414 {
|
|
122
|
1415 ngx_str_t *value;
|
|
|
1416 ngx_array_t a;
|
|
130
|
1417 ngx_http_handler_pt *h;
|
|
122
|
1418 ngx_http_log_fmt_t *fmt;
|
|
|
1419 ngx_http_log_main_conf_t *lmcf;
|
|
118
|
1420 ngx_http_core_main_conf_t *cmcf;
|
|
|
1421
|
|
122
|
1422 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
1423
|
|
|
1424 if (lmcf->combined_used) {
|
|
|
1425 if (ngx_array_init(&a, cf->pool, 1, sizeof(ngx_str_t)) != NGX_OK) {
|
|
|
1426 return NGX_ERROR;
|
|
|
1427 }
|
|
|
1428
|
|
|
1429 value = ngx_array_push(&a);
|
|
|
1430 if (value == NULL) {
|
|
|
1431 return NGX_ERROR;
|
|
|
1432 }
|
|
|
1433
|
|
|
1434 *value = ngx_http_combined_fmt;
|
|
|
1435 fmt = lmcf->formats.elts;
|
|
|
1436
|
|
|
1437 if (ngx_http_log_compile_format(cf, fmt->ops, &a, 0)
|
|
|
1438 != NGX_CONF_OK)
|
|
|
1439 {
|
|
|
1440 return NGX_ERROR;
|
|
|
1441 }
|
|
|
1442 }
|
|
|
1443
|
|
|
1444 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
118
|
1445
|
|
130
|
1446 h = ngx_array_push(&cmcf->phases[NGX_HTTP_LOG_PHASE].handlers);
|
|
|
1447 if (h == NULL) {
|
|
|
1448 return NGX_ERROR;
|
|
|
1449 }
|
|
|
1450
|
|
|
1451 *h = ngx_http_log_handler;
|
|
118
|
1452
|
|
|
1453 return NGX_OK;
|
|
|
1454 }
|
