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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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206
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19
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122
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20 typedef struct {
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21 ngx_array_t formats; /* array of ngx_http_log_fmt_t */
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22 ngx_uint_t combined_used; /* unsigned combined_used:1 */
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23 } ngx_http_log_main_conf_t;
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24
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206
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25
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122
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26 typedef struct {
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27 ngx_open_file_t *file;
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182
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28 time_t disk_full_time;
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122
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29 ngx_array_t *ops; /* array of ngx_http_log_op_t */
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30 } ngx_http_log_t;
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31
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206
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32
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122
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33 typedef struct {
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34 ngx_array_t *logs; /* array of ngx_http_log_t */
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35 ngx_uint_t off; /* unsigned off:1 */
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36 } ngx_http_log_loc_conf_t;
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37
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38
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39 typedef struct {
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40 ngx_str_t name;
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41 size_t len;
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42 ngx_http_log_op_run_pt run;
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43 } ngx_http_log_var_t;
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44
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45
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118
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46 static u_char *ngx_http_log_addr(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_connection(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_pipe(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_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_msec(ngx_http_request_t *r, u_char *buf,
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55 ngx_http_log_op_t *op);
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56 static u_char *ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf,
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57 ngx_http_log_op_t *op);
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58 static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf,
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59 ngx_http_log_op_t *op);
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122
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60 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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61 ngx_http_log_op_t *op);
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126
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62 static u_char *ngx_http_log_body_bytes_sent(ngx_http_request_t *r,
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122
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63 u_char *buf, ngx_http_log_op_t *op);
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118
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64 static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
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65 ngx_http_log_op_t *op);
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66
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67 static size_t ngx_http_log_request_getlen(ngx_http_request_t *r,
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68 uintptr_t data);
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69 static u_char *ngx_http_log_request(ngx_http_request_t *r, u_char *buf,
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70 ngx_http_log_op_t *op);
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71
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72 static ngx_int_t ngx_http_log_header_in_compile(ngx_conf_t *cf,
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73 ngx_http_log_op_t *op, ngx_str_t *value);
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74 static size_t ngx_http_log_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_header_in(ngx_http_request_t *r, u_char *buf,
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77 ngx_http_log_op_t *op);
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78 static size_t ngx_http_log_unknown_header_in_getlen(ngx_http_request_t *r,
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79 uintptr_t data);
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80 static u_char *ngx_http_log_unknown_header_in(ngx_http_request_t *r,
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81 u_char *buf, ngx_http_log_op_t *op);
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82
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83 static ngx_int_t ngx_http_log_header_out_compile(ngx_conf_t *cf,
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84 ngx_http_log_op_t *op, ngx_str_t *value);
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85 static size_t ngx_http_log_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_header_out(ngx_http_request_t *r, u_char *buf,
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88 ngx_http_log_op_t *op);
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89 static size_t ngx_http_log_unknown_header_out_getlen(ngx_http_request_t *r,
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90 uintptr_t data);
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91 static u_char *ngx_http_log_unknown_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
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94 static u_char *ngx_http_log_connection_header_out(ngx_http_request_t *r,
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95 u_char *buf, ngx_http_log_op_t *op);
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96 static u_char *ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r,
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97 u_char *buf, ngx_http_log_op_t *op);
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98
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99 static ngx_table_elt_t *ngx_http_log_unknown_header(ngx_list_t *headers,
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100 ngx_str_t *value);
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101
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102 static ngx_int_t ngx_http_log_variable_compile(ngx_conf_t *cf,
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103 ngx_http_log_op_t *op, ngx_str_t *value);
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104 static size_t ngx_http_log_variable_getlen(ngx_http_request_t *r,
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105 uintptr_t data);
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106 static u_char *ngx_http_log_variable(ngx_http_request_t *r, u_char *buf,
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107 ngx_http_log_op_t *op);
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108
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109
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110 static ngx_int_t ngx_http_log_set_formats(ngx_conf_t *cf);
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111 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf);
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112 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf);
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113 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
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114 void *child);
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115 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
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116 void *conf);
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117 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
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118 void *conf);
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122
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119 static char *ngx_http_log_compile_format(ngx_conf_t *cf,
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120 ngx_array_t *ops, ngx_array_t *args, ngx_uint_t s);
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121 static ngx_int_t ngx_http_log_init(ngx_conf_t *cf);
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118
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122
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123
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124 static ngx_command_t ngx_http_log_commands[] = {
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125
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126 { ngx_string("log_format"),
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127 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE,
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128 ngx_http_log_set_format,
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129 NGX_HTTP_MAIN_CONF_OFFSET,
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130 0,
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131 NULL },
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132
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133 { ngx_string("access_log"),
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194
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134 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
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135 |NGX_CONF_TAKE123,
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118
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136 ngx_http_log_set_log,
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137 NGX_HTTP_LOC_CONF_OFFSET,
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138 0,
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139 NULL },
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140
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141 ngx_null_command
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142 };
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143
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144
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145 ngx_http_module_t ngx_http_log_module_ctx = {
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146 ngx_http_log_set_formats, /* preconfiguration */
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122
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147 ngx_http_log_init, /* postconfiguration */
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118
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148
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149 ngx_http_log_create_main_conf, /* create main configuration */
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150 NULL, /* init main configuration */
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151
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152 NULL, /* create server configuration */
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153 NULL, /* merge server configuration */
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154
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155 ngx_http_log_create_loc_conf, /* create location configration */
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156 ngx_http_log_merge_loc_conf /* merge location configration */
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157 };
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158
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159
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160 ngx_module_t ngx_http_log_module = {
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161 NGX_MODULE_V1,
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162 &ngx_http_log_module_ctx, /* module context */
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163 ngx_http_log_commands, /* module directives */
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164 NGX_HTTP_MODULE, /* module type */
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165 NULL, /* init master */
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122
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166 NULL, /* init module */
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118
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167 NULL, /* init process */
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168 NULL, /* init thread */
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169 NULL, /* exit thread */
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170 NULL, /* exit process */
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171 NULL, /* exit master */
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172 NGX_MODULE_V1_PADDING
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173 };
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174
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175
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122
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176 static ngx_str_t http_access_log = ngx_string(NGX_HTTP_LOG_PATH);
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177
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178
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179 static ngx_str_t ngx_http_combined_fmt =
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130
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180 ngx_string("$remote_addr - $remote_user [$time_local] "
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126
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181 "\"$request\" $status $body_bytes_sent "
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122
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182 "\"$http_referer\" \"$http_user_agent\"");
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118
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183
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184
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122
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185 static ngx_http_log_var_t ngx_http_log_vars[] = {
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186 { ngx_string("connection"), NGX_ATOMIC_T_LEN, ngx_http_log_connection },
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187 { ngx_string("pipe"), 1, ngx_http_log_pipe },
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130
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188 { ngx_string("time_local"), sizeof("28/Sep/1970:12:00:00 +0600") - 1,
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122
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189 ngx_http_log_time },
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190 { ngx_string("msec"), NGX_TIME_T_LEN + 4, ngx_http_log_msec },
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191 { ngx_string("request_time"), NGX_TIME_T_LEN, ngx_http_log_request_time },
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192 { ngx_string("status"), 3, ngx_http_log_status },
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193 { ngx_string("bytes_sent"), NGX_OFF_T_LEN, ngx_http_log_bytes_sent },
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126
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194 { ngx_string("body_bytes_sent"), NGX_OFF_T_LEN,
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195 ngx_http_log_body_bytes_sent },
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122
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196 { ngx_string("apache_bytes_sent"), NGX_OFF_T_LEN,
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126
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197 ngx_http_log_body_bytes_sent },
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122
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198 { ngx_string("request_length"), NGX_SIZE_T_LEN,
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199 ngx_http_log_request_length },
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200
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201 { ngx_null_string, 0, NULL }
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202 };
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118
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203
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204
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122
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205 ngx_http_log_op_name_t ngx_http_log_fmt_ops[] = {
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118
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206 { ngx_string("addr"), INET_ADDRSTRLEN - 1, NULL, NULL, ngx_http_log_addr },
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207 { ngx_string("conn"), NGX_ATOMIC_T_LEN, NULL, NULL,
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208 ngx_http_log_connection },
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209 { ngx_string("pipe"), 1, NULL, NULL, ngx_http_log_pipe },
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210 { ngx_string("time"), sizeof("28/Sep/1970:12:00:00 +0600") - 1,
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211 NULL, NULL, ngx_http_log_time },
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212 { ngx_string("msec"), NGX_TIME_T_LEN + 4, NULL, NULL, ngx_http_log_msec },
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213 { ngx_string("request_time"), NGX_TIME_T_LEN, NULL, NULL,
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214 ngx_http_log_request_time },
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215 { ngx_string("status"), 3, NULL, NULL, ngx_http_log_status },
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122
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216 { ngx_string("length"), NGX_OFF_T_LEN,
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217 NULL, NULL, ngx_http_log_bytes_sent },
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118
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218 { ngx_string("apache_length"), NGX_OFF_T_LEN,
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126
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219 NULL, NULL, ngx_http_log_body_bytes_sent },
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118
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220 { ngx_string("request_length"), NGX_SIZE_T_LEN,
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221 NULL, NULL, ngx_http_log_request_length },
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222
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223 { ngx_string("request"), 0, NULL,
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224 ngx_http_log_request_getlen,
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225 ngx_http_log_request },
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226
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227 { ngx_string("i"), 0, ngx_http_log_header_in_compile, NULL,
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228 ngx_http_log_header_in },
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229 { ngx_string("o"), 0, ngx_http_log_header_out_compile, NULL,
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230 ngx_http_log_header_out },
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231 { ngx_string("v"), 0, ngx_http_log_variable_compile, NULL,
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232 ngx_http_log_variable },
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233
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234 { ngx_null_string, 0, NULL, NULL, NULL }
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235 };
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236
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237
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238 ngx_int_t
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239 ngx_http_log_handler(ngx_http_request_t *r)
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240 {
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241 ngx_uint_t i, l;
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242 u_char *line, *p;
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243 size_t len;
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244 ngx_http_log_t *log;
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120
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245 ngx_open_file_t *file;
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118
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246 ngx_http_log_op_t *op;
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247 ngx_http_log_loc_conf_t *lcf;
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248
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249 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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250 "http log handler");
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251
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252 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module);
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253
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254 if (lcf->off) {
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255 return NGX_OK;
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256 }
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257
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258 log = lcf->logs->elts;
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259 for (l = 0; l < lcf->logs->nelts; l++) {
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260
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182
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261 if (ngx_time() == log[l].disk_full_time) {
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262
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263 /*
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264 * On FreeBSD writing to a full filesystem with enabled softupdates
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265 * may block process for much longer time than writing to non-full
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266 * filesystem, so we skip writing the log for one second.
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267 */
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268
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269 continue;
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270 }
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271
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118
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272 len = 0;
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273 op = log[l].ops->elts;
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274 for (i = 0; i < log[l].ops->nelts; i++) {
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275 if (op[i].len == 0) {
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276 len += op[i].getlen(r, op[i].data);
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277
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278 } else {
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279 len += op[i].len;
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280 }
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281 }
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282
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120
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283 len += NGX_LINEFEED_SIZE;
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284
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285 file = log[l].file;
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286
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287 if (file->buffer) {
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288
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289 if (len > (size_t) (file->last - file->pos)) {
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290
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182
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291 if (ngx_write_fd(file->fd, file->buffer,
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292 file->pos - file->buffer)
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293 == -1
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294 && ngx_errno == NGX_ENOSPC)
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295 {
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296 log[l].disk_full_time = ngx_time();
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297 }
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120
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298
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299 file->pos = file->buffer;
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300 }
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301
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302 if (len <= (size_t) (file->last - file->pos)) {
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303
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304 p = file->pos;
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305
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306 for (i = 0; i < log[l].ops->nelts; i++) {
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307 p = op[i].run(r, p, &op[i]);
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308 }
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309
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310 ngx_linefeed(p);
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311
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312 file->pos = p;
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313
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314 continue;
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315 }
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316 }
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118
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317
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318 line = ngx_palloc(r->pool, len);
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319 if (line == NULL) {
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320 return NGX_ERROR;
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321 }
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322
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323 p = line;
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324
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325 for (i = 0; i < log[l].ops->nelts; i++) {
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326 p = op[i].run(r, p, &op[i]);
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327 }
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328
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120
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329 ngx_linefeed(p);
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330
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182
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331 if (ngx_write_fd(file->fd, line, p - line) == -1
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332 && ngx_errno == NGX_ENOSPC)
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333 {
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334 log[l].disk_full_time = ngx_time();
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335 }
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118
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336 }
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337
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338 return NGX_OK;
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339 }
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340
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341
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342 static u_char *
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343 ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf,
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344 ngx_http_log_op_t *op)
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345 {
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346 size_t len;
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347 uintptr_t data;
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348
|
|
|
349 len = op->len;
|
|
|
350 data = op->data;
|
|
|
351
|
|
|
352 while (len--) {
|
|
|
353 *buf++ = (u_char) (data & 0xff);
|
|
|
354 data >>= 8;
|
|
|
355 }
|
|
|
356
|
|
|
357 return buf;
|
|
|
358 }
|
|
|
359
|
|
|
360
|
|
|
361 static u_char *
|
|
|
362 ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf,
|
|
|
363 ngx_http_log_op_t *op)
|
|
|
364 {
|
|
|
365 return ngx_cpymem(buf, (u_char *) op->data, op->len);
|
|
|
366 }
|
|
|
367
|
|
|
368
|
|
|
369 static u_char *
|
|
|
370 ngx_http_log_addr(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
371 {
|
|
|
372 return ngx_cpymem(buf, r->connection->addr_text.data,
|
|
|
373 r->connection->addr_text.len);
|
|
|
374 }
|
|
|
375
|
|
|
376
|
|
|
377 static u_char *
|
|
|
378 ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
|
|
|
379 ngx_http_log_op_t *op)
|
|
|
380 {
|
|
|
381 return ngx_sprintf(buf, "%ui", r->connection->number);
|
|
|
382 }
|
|
|
383
|
|
|
384
|
|
|
385 static u_char *
|
|
|
386 ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
387 {
|
|
|
388 if (r->pipeline) {
|
|
|
389 *buf = 'p';
|
|
|
390 } else {
|
|
|
391 *buf = '.';
|
|
|
392 }
|
|
|
393
|
|
|
394 return buf + 1;
|
|
|
395 }
|
|
|
396
|
|
|
397
|
|
|
398 static u_char *
|
|
|
399 ngx_http_log_time(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
400 {
|
|
|
401 return ngx_cpymem(buf, ngx_cached_http_log_time.data,
|
|
|
402 ngx_cached_http_log_time.len);
|
|
|
403 }
|
|
|
404
|
|
|
405
|
|
|
406 static u_char *
|
|
|
407 ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
408 {
|
|
|
409 ngx_time_t *tp;
|
|
|
410
|
|
|
411 tp = ngx_timeofday();
|
|
|
412
|
|
|
413 return ngx_sprintf(buf, "%T.%03M", tp->sec, tp->msec);
|
|
|
414 }
|
|
|
415
|
|
|
416
|
|
|
417 static u_char *
|
|
|
418 ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf,
|
|
|
419 ngx_http_log_op_t *op)
|
|
|
420 {
|
|
|
421 time_t elapsed;
|
|
|
422
|
|
|
423 elapsed = ngx_time() - r->start_time;
|
|
|
424
|
|
|
425 return ngx_sprintf(buf, "%T", elapsed);
|
|
|
426 }
|
|
|
427
|
|
|
428
|
|
|
429 static size_t
|
|
|
430 ngx_http_log_request_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
431 {
|
|
|
432 return r->request_line.len;
|
|
|
433 }
|
|
|
434
|
|
|
435
|
|
|
436 static u_char *
|
|
|
437 ngx_http_log_request(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
438 {
|
|
|
439 return ngx_cpymem(buf, r->request_line.data, r->request_line.len);
|
|
|
440 }
|
|
|
441
|
|
|
442
|
|
|
443 static u_char *
|
|
|
444 ngx_http_log_status(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
445 {
|
|
|
446 return ngx_sprintf(buf, "%ui",
|
|
|
447 r->err_status ? r->err_status : r->headers_out.status);
|
|
|
448 }
|
|
|
449
|
|
|
450
|
|
|
451 static u_char *
|
|
122
|
452 ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf,
|
|
|
453 ngx_http_log_op_t *op)
|
|
118
|
454 {
|
|
|
455 return ngx_sprintf(buf, "%O", r->connection->sent);
|
|
|
456 }
|
|
|
457
|
|
|
458
|
|
|
459 static u_char *
|
|
126
|
460 ngx_http_log_body_bytes_sent(ngx_http_request_t *r, u_char *buf,
|
|
118
|
461 ngx_http_log_op_t *op)
|
|
|
462 {
|
|
|
463 off_t length;
|
|
|
464
|
|
|
465 length = r->connection->sent - r->header_size;
|
|
|
466
|
|
|
467 if (length > 0) {
|
|
|
468 return ngx_sprintf(buf, "%O", length);
|
|
|
469 }
|
|
|
470
|
|
|
471 *buf = '0';
|
|
|
472
|
|
|
473 return buf + 1;
|
|
|
474 }
|
|
|
475
|
|
|
476
|
|
|
477 static u_char *
|
|
|
478 ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
|
|
|
479 ngx_http_log_op_t *op)
|
|
|
480 {
|
|
212
|
481 return ngx_sprintf(buf, "%O", r->request_length);
|
|
118
|
482 }
|
|
|
483
|
|
|
484
|
|
|
485 static ngx_int_t
|
|
|
486 ngx_http_log_header_in_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
|
487 ngx_str_t *value)
|
|
|
488 {
|
|
|
489 ngx_uint_t i;
|
|
|
490
|
|
|
491 op->len = 0;
|
|
|
492
|
|
|
493 for (i = 0; ngx_http_headers_in[i].name.len != 0; i++) {
|
|
|
494
|
|
|
495 if (ngx_http_headers_in[i].name.len != value->len) {
|
|
|
496 continue;
|
|
|
497 }
|
|
|
498
|
|
|
499 /* STUB: "Cookie" speacial handling */
|
|
|
500 if (ngx_http_headers_in[i].offset == 0) {
|
|
|
501 continue;
|
|
|
502 }
|
|
|
503
|
|
|
504 if (ngx_strncasecmp(ngx_http_headers_in[i].name.data, value->data,
|
|
|
505 value->len) == 0)
|
|
|
506 {
|
|
|
507 op->getlen = ngx_http_log_header_in_getlen;
|
|
|
508 op->run = ngx_http_log_header_in;
|
|
|
509 op->data = ngx_http_headers_in[i].offset;
|
|
|
510
|
|
|
511 return NGX_OK;
|
|
|
512 }
|
|
|
513 }
|
|
|
514
|
|
|
515 op->getlen = ngx_http_log_unknown_header_in_getlen;
|
|
|
516 op->run = ngx_http_log_unknown_header_in;
|
|
|
517 op->data = (uintptr_t) value;
|
|
|
518
|
|
|
519 return NGX_OK;
|
|
|
520 }
|
|
|
521
|
|
|
522
|
|
|
523 static size_t
|
|
|
524 ngx_http_log_header_in_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
525 {
|
|
|
526 ngx_table_elt_t *h;
|
|
|
527
|
|
|
528 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + data);
|
|
|
529
|
|
|
530 if (h) {
|
|
|
531 return h->value.len;
|
|
|
532 }
|
|
|
533
|
|
|
534 return 1;
|
|
|
535 }
|
|
|
536
|
|
|
537
|
|
|
538 static u_char *
|
|
|
539 ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
|
|
|
540 ngx_http_log_op_t *op)
|
|
|
541 {
|
|
|
542 ngx_table_elt_t *h;
|
|
|
543
|
|
|
544 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + op->data);
|
|
|
545
|
|
|
546 if (h) {
|
|
|
547 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
548 }
|
|
|
549
|
|
|
550 *buf = '-';
|
|
|
551
|
|
|
552 return buf + 1;
|
|
|
553 }
|
|
|
554
|
|
|
555
|
|
|
556 static size_t
|
|
|
557 ngx_http_log_unknown_header_in_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
558 {
|
|
|
559 ngx_table_elt_t *h;
|
|
|
560
|
|
|
561 h = ngx_http_log_unknown_header(&r->headers_in.headers, (ngx_str_t *) data);
|
|
|
562
|
|
|
563 if (h) {
|
|
|
564 return h->value.len;
|
|
|
565 }
|
|
|
566
|
|
|
567 return 1;
|
|
|
568 }
|
|
|
569
|
|
|
570
|
|
|
571 static u_char *
|
|
|
572 ngx_http_log_unknown_header_in(ngx_http_request_t *r, u_char *buf,
|
|
|
573 ngx_http_log_op_t *op)
|
|
|
574 {
|
|
|
575 ngx_table_elt_t *h;
|
|
|
576
|
|
|
577 h = ngx_http_log_unknown_header(&r->headers_in.headers,
|
|
|
578 (ngx_str_t *) op->data);
|
|
|
579
|
|
|
580 if (h) {
|
|
|
581 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
582 }
|
|
|
583
|
|
|
584 *buf = '-';
|
|
|
585
|
|
|
586 return buf + 1;
|
|
|
587 }
|
|
|
588
|
|
|
589
|
|
|
590 static ngx_int_t
|
|
|
591 ngx_http_log_header_out_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
|
592 ngx_str_t *value)
|
|
|
593 {
|
|
|
594 ngx_uint_t i;
|
|
|
595
|
|
|
596 op->len = 0;
|
|
|
597
|
|
|
598 for (i = 0; ngx_http_headers_out[i].name.len != 0; i++) {
|
|
|
599
|
|
|
600 if (ngx_http_headers_out[i].name.len != value->len) {
|
|
|
601 continue;
|
|
|
602 }
|
|
|
603
|
|
|
604 if (ngx_strncasecmp(ngx_http_headers_out[i].name.data, value->data,
|
|
|
605 value->len) == 0)
|
|
|
606 {
|
|
|
607 op->getlen = ngx_http_log_header_out_getlen;
|
|
|
608 op->run = ngx_http_log_header_out;
|
|
|
609 op->data = ngx_http_headers_out[i].offset;
|
|
|
610
|
|
|
611 return NGX_OK;
|
|
|
612 }
|
|
|
613 }
|
|
|
614
|
|
|
615 if (value->len == sizeof("Connection") - 1
|
|
|
616 && ngx_strncasecmp(value->data, "Connection", value->len) == 0)
|
|
|
617 {
|
|
|
618 op->len = sizeof("keep-alive") - 1;
|
|
|
619 op->getlen = NULL;
|
|
|
620 op->run = ngx_http_log_connection_header_out;
|
|
|
621 op->data = 0;
|
|
|
622 return NGX_OK;
|
|
|
623 }
|
|
|
624
|
|
|
625 if (value->len == sizeof("Transfer-Encoding") - 1
|
|
|
626 && ngx_strncasecmp(value->data, "Transfer-Encoding", value->len) == 0)
|
|
|
627 {
|
|
|
628 op->len = sizeof("chunked") - 1;
|
|
|
629 op->getlen = NULL;
|
|
|
630 op->run = ngx_http_log_transfer_encoding_header_out;
|
|
|
631 op->data = 0;
|
|
|
632 return NGX_OK;
|
|
|
633 }
|
|
|
634
|
|
|
635 op->getlen = ngx_http_log_unknown_header_out_getlen;
|
|
|
636 op->run = ngx_http_log_unknown_header_out;
|
|
|
637 op->data = (uintptr_t) value;
|
|
|
638
|
|
|
639 return NGX_OK;
|
|
|
640 }
|
|
|
641
|
|
|
642
|
|
|
643 static size_t
|
|
|
644 ngx_http_log_header_out_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
645 {
|
|
|
646 ngx_table_elt_t *h;
|
|
|
647
|
|
|
648 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + data);
|
|
|
649
|
|
|
650 if (h) {
|
|
|
651 return h->value.len;
|
|
|
652 }
|
|
|
653
|
|
|
654 /*
|
|
|
655 * No header pointer was found.
|
|
|
656 * However, some headers: "Date", "Server", "Content-Length",
|
|
|
657 * and "Last-Modified" have a special handling in the header filter,
|
|
|
658 * but we do not set up their pointers in the filter,
|
|
|
659 * because they are too seldom needed to be logged.
|
|
|
660 */
|
|
|
661
|
|
|
662 if (data == offsetof(ngx_http_headers_out_t, date)) {
|
|
|
663 return ngx_cached_http_time.len;
|
|
|
664 }
|
|
|
665
|
|
|
666 if (data == offsetof(ngx_http_headers_out_t, server)) {
|
|
|
667 return (sizeof(NGINX_VER) - 1);
|
|
|
668 }
|
|
|
669
|
|
|
670 if (data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
|
671 if (r->headers_out.content_length_n == -1) {
|
|
|
672 return 1;
|
|
|
673 }
|
|
|
674
|
|
|
675 return NGX_OFF_T_LEN;
|
|
|
676 }
|
|
|
677
|
|
|
678 if (data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
|
679 if (r->headers_out.last_modified_time == -1) {
|
|
|
680 return 1;
|
|
|
681 }
|
|
|
682
|
|
|
683 return sizeof("Mon, 28 Sep 1970 06:00:00 GMT") - 1;
|
|
|
684 }
|
|
|
685
|
|
|
686 return 1;
|
|
|
687 }
|
|
|
688
|
|
|
689
|
|
|
690 static u_char *
|
|
|
691 ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
692 ngx_http_log_op_t *op)
|
|
|
693 {
|
|
|
694 ngx_table_elt_t *h;
|
|
|
695
|
|
|
696 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + op->data);
|
|
|
697
|
|
|
698 if (h) {
|
|
|
699 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
700 }
|
|
|
701
|
|
|
702 /*
|
|
|
703 * No header pointer was found.
|
|
|
704 * However, some headers: "Date", "Server", "Content-Length",
|
|
|
705 * and "Last-Modified" have a special handling in the header filter,
|
|
|
706 * but we do not set up their pointers in the filter,
|
|
|
707 * because they are too seldom needed to be logged.
|
|
|
708 */
|
|
|
709
|
|
|
710 if (op->data == offsetof(ngx_http_headers_out_t, date)) {
|
|
|
711 return ngx_cpymem(buf, ngx_cached_http_time.data,
|
|
|
712 ngx_cached_http_time.len);
|
|
|
713 }
|
|
|
714
|
|
|
715 if (op->data == offsetof(ngx_http_headers_out_t, server)) {
|
|
|
716 return ngx_cpymem(buf, NGINX_VER, sizeof(NGINX_VER) - 1);
|
|
|
717 }
|
|
|
718
|
|
|
719 if (op->data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
|
720 if (r->headers_out.content_length_n == -1) {
|
|
|
721 *buf = '-';
|
|
|
722
|
|
|
723 return buf + 1;
|
|
|
724 }
|
|
|
725
|
|
|
726 return ngx_sprintf(buf, "%O", r->headers_out.content_length_n);
|
|
|
727 }
|
|
|
728
|
|
|
729 if (op->data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
|
730 if (r->headers_out.last_modified_time == -1) {
|
|
|
731 *buf = '-';
|
|
|
732
|
|
|
733 return buf + 1;
|
|
|
734 }
|
|
|
735
|
|
|
736 return ngx_http_time(buf, r->headers_out.last_modified_time);
|
|
|
737 }
|
|
|
738
|
|
|
739 *buf = '-';
|
|
|
740
|
|
|
741 return buf + 1;
|
|
|
742 }
|
|
|
743
|
|
|
744
|
|
|
745 static size_t
|
|
|
746 ngx_http_log_unknown_header_out_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
747 {
|
|
|
748 ngx_table_elt_t *h;
|
|
|
749
|
|
|
750 h = ngx_http_log_unknown_header(&r->headers_out.headers,
|
|
|
751 (ngx_str_t *) data);
|
|
|
752
|
|
|
753 if (h) {
|
|
|
754 return h->value.len;
|
|
|
755 }
|
|
|
756
|
|
|
757 return 1;
|
|
|
758 }
|
|
|
759
|
|
|
760
|
|
|
761 static u_char *
|
|
|
762 ngx_http_log_unknown_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
763 ngx_http_log_op_t *op)
|
|
|
764 {
|
|
|
765 ngx_table_elt_t *h;
|
|
|
766
|
|
|
767 h = ngx_http_log_unknown_header(&r->headers_out.headers,
|
|
|
768 (ngx_str_t *) op->data);
|
|
|
769
|
|
|
770 if (h) {
|
|
|
771 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
772 }
|
|
|
773
|
|
|
774 *buf = '-';
|
|
|
775
|
|
|
776 return buf + 1;
|
|
|
777 }
|
|
|
778
|
|
|
779
|
|
|
780 static ngx_table_elt_t *
|
|
|
781 ngx_http_log_unknown_header(ngx_list_t *headers, ngx_str_t *value)
|
|
|
782 {
|
|
|
783 ngx_uint_t i;
|
|
|
784 ngx_list_part_t *part;
|
|
|
785 ngx_table_elt_t *h;
|
|
|
786
|
|
|
787 part = &headers->part;
|
|
|
788 h = part->elts;
|
|
|
789
|
|
|
790 for (i = 0; /* void */; i++) {
|
|
|
791
|
|
|
792 if (i >= part->nelts) {
|
|
|
793 if (part->next == NULL) {
|
|
|
794 break;
|
|
|
795 }
|
|
|
796
|
|
|
797 part = part->next;
|
|
|
798 h = part->elts;
|
|
|
799 i = 0;
|
|
|
800 }
|
|
|
801
|
|
|
802 if (h[i].key.len != value->len) {
|
|
|
803 continue;
|
|
|
804 }
|
|
|
805
|
|
|
806 if (ngx_strncasecmp(h[i].key.data, value->data, value->len) == 0) {
|
|
|
807 return &h[i];
|
|
|
808 }
|
|
|
809 }
|
|
|
810
|
|
|
811 return NULL;
|
|
|
812 }
|
|
|
813
|
|
|
814
|
|
|
815 static u_char *
|
|
|
816 ngx_http_log_connection_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
817 ngx_http_log_op_t *op)
|
|
|
818 {
|
|
|
819 if (r->keepalive) {
|
|
|
820 return ngx_cpymem(buf, "keep-alive", sizeof("keep-alive") - 1);
|
|
|
821
|
|
|
822 } else {
|
|
|
823 return ngx_cpymem(buf, "close", sizeof("close") - 1);
|
|
|
824 }
|
|
|
825 }
|
|
|
826
|
|
|
827
|
|
|
828 static u_char *
|
|
|
829 ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
830 ngx_http_log_op_t *op)
|
|
|
831 {
|
|
|
832 if (r->chunked) {
|
|
|
833 return ngx_cpymem(buf, "chunked", sizeof("chunked") - 1);
|
|
|
834 }
|
|
|
835
|
|
|
836 *buf = '-';
|
|
|
837
|
|
|
838 return buf + 1;
|
|
|
839 }
|
|
|
840
|
|
|
841
|
|
126
|
842 static ngx_int_t
|
|
118
|
843 ngx_http_log_variable_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
|
844 ngx_str_t *value)
|
|
|
845 {
|
|
|
846 ngx_int_t index;
|
|
|
847
|
|
|
848 index = ngx_http_get_variable_index(cf, value);
|
|
|
849 if (index == NGX_ERROR) {
|
|
|
850 return NGX_ERROR;
|
|
|
851 }
|
|
|
852
|
|
|
853 op->len = 0;
|
|
|
854 op->getlen = ngx_http_log_variable_getlen;
|
|
|
855 op->run = ngx_http_log_variable;
|
|
|
856 op->data = index;
|
|
|
857
|
|
|
858 return NGX_OK;
|
|
|
859 }
|
|
|
860
|
|
|
861
|
|
|
862 static size_t
|
|
|
863 ngx_http_log_variable_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
864 {
|
|
|
865 ngx_http_variable_value_t *value;
|
|
|
866
|
|
|
867 value = ngx_http_get_indexed_variable(r, data);
|
|
|
868
|
|
122
|
869 if (value == NULL || value->not_found) {
|
|
118
|
870 return 1;
|
|
|
871 }
|
|
|
872
|
|
122
|
873 return value->len;
|
|
118
|
874 }
|
|
|
875
|
|
|
876
|
|
|
877 static u_char *
|
|
|
878 ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
879 {
|
|
|
880 ngx_http_variable_value_t *value;
|
|
|
881
|
|
|
882 value = ngx_http_get_indexed_variable(r, op->data);
|
|
|
883
|
|
122
|
884 if (value == NULL || value->not_found) {
|
|
118
|
885 *buf = '-';
|
|
|
886 return buf + 1;
|
|
|
887 }
|
|
|
888
|
|
122
|
889 return ngx_cpymem(buf, value->data, value->len);
|
|
118
|
890 }
|
|
|
891
|
|
|
892
|
|
|
893 static ngx_int_t
|
|
|
894 ngx_http_log_set_formats(ngx_conf_t *cf)
|
|
|
895 {
|
|
|
896 ngx_http_log_op_name_t *op;
|
|
|
897
|
|
|
898 for (op = ngx_http_log_fmt_ops; op->name.len; op++) { /* void */ }
|
|
|
899 op->run = NULL;
|
|
|
900
|
|
|
901 return NGX_OK;
|
|
|
902 }
|
|
|
903
|
|
|
904
|
|
|
905 static void *
|
|
|
906 ngx_http_log_create_main_conf(ngx_conf_t *cf)
|
|
|
907 {
|
|
|
908 ngx_http_log_main_conf_t *conf;
|
|
|
909
|
|
122
|
910 ngx_http_log_fmt_t *fmt;
|
|
118
|
911
|
|
|
912 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t));
|
|
|
913 if (conf == NULL) {
|
|
|
914 return NGX_CONF_ERROR;
|
|
|
915 }
|
|
|
916
|
|
|
917 if (ngx_array_init(&conf->formats, cf->pool, 4, sizeof(ngx_http_log_fmt_t))
|
|
122
|
918 != NGX_OK)
|
|
118
|
919 {
|
|
|
920 return NGX_CONF_ERROR;
|
|
|
921 }
|
|
|
922
|
|
122
|
923 fmt = ngx_array_push(&conf->formats);
|
|
|
924 if (fmt == NULL) {
|
|
118
|
925 return NGX_CONF_ERROR;
|
|
|
926 }
|
|
|
927
|
|
122
|
928 fmt->name.len = sizeof("combined") - 1;
|
|
|
929 fmt->name.data = (u_char *) "combined";
|
|
118
|
930
|
|
122
|
931 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t));
|
|
|
932 if (fmt->ops == NULL) {
|
|
118
|
933 return NGX_CONF_ERROR;
|
|
|
934 }
|
|
|
935
|
|
|
936 return conf;
|
|
|
937 }
|
|
|
938
|
|
|
939
|
|
|
940 static void *
|
|
|
941 ngx_http_log_create_loc_conf(ngx_conf_t *cf)
|
|
|
942 {
|
|
|
943 ngx_http_log_loc_conf_t *conf;
|
|
|
944
|
|
|
945 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t));
|
|
|
946 if (conf == NULL) {
|
|
|
947 return NGX_CONF_ERROR;
|
|
|
948 }
|
|
|
949
|
|
|
950 return conf;
|
|
|
951 }
|
|
|
952
|
|
|
953
|
|
|
954 static char *
|
|
|
955 ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
956 {
|
|
|
957 ngx_http_log_loc_conf_t *prev = parent;
|
|
|
958 ngx_http_log_loc_conf_t *conf = child;
|
|
|
959
|
|
|
960 ngx_http_log_t *log;
|
|
|
961 ngx_http_log_fmt_t *fmt;
|
|
|
962 ngx_http_log_main_conf_t *lmcf;
|
|
|
963
|
|
|
964 if (conf->logs == NULL) {
|
|
|
965
|
|
|
966 if (conf->off) {
|
|
|
967 return NGX_CONF_OK;
|
|
|
968 }
|
|
|
969
|
|
|
970 if (prev->logs) {
|
|
|
971 conf->logs = prev->logs;
|
|
|
972
|
|
|
973 } else {
|
|
|
974
|
|
|
975 if (prev->off) {
|
|
|
976 conf->off = prev->off;
|
|
|
977 return NGX_CONF_OK;
|
|
|
978 }
|
|
|
979
|
|
|
980 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
981 if (conf->logs == NULL) {
|
|
|
982 return NGX_CONF_ERROR;
|
|
|
983 }
|
|
|
984
|
|
|
985 log = ngx_array_push(conf->logs);
|
|
|
986 if (log == NULL) {
|
|
|
987 return NGX_CONF_ERROR;
|
|
|
988 }
|
|
|
989
|
|
|
990 log->file = ngx_conf_open_file(cf->cycle, &http_access_log);
|
|
|
991 if (log->file == NULL) {
|
|
|
992 return NGX_CONF_ERROR;
|
|
|
993 }
|
|
|
994
|
|
|
995 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
996 fmt = lmcf->formats.elts;
|
|
|
997
|
|
|
998 /* the default "combined" format */
|
|
|
999 log->ops = fmt[0].ops;
|
|
122
|
1000 lmcf->combined_used = 1;
|
|
118
|
1001 }
|
|
|
1002 }
|
|
|
1003
|
|
|
1004 return NGX_CONF_OK;
|
|
|
1005 }
|
|
|
1006
|
|
|
1007
|
|
|
1008 static char *
|
|
|
1009 ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1010 {
|
|
|
1011 ngx_http_log_loc_conf_t *llcf = conf;
|
|
|
1012
|
|
120
|
1013 ssize_t buf;
|
|
118
|
1014 ngx_uint_t i;
|
|
|
1015 ngx_str_t *value, name;
|
|
|
1016 ngx_http_log_t *log;
|
|
|
1017 ngx_http_log_fmt_t *fmt;
|
|
|
1018 ngx_http_log_main_conf_t *lmcf;
|
|
|
1019
|
|
|
1020 value = cf->args->elts;
|
|
|
1021
|
|
|
1022 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
1023 llcf->off = 1;
|
|
|
1024 return NGX_CONF_OK;
|
|
|
1025 }
|
|
|
1026
|
|
|
1027 if (llcf->logs == NULL) {
|
|
|
1028 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
1029 if (llcf->logs == NULL) {
|
|
|
1030 return NGX_CONF_ERROR;
|
|
|
1031 }
|
|
|
1032 }
|
|
|
1033
|
|
|
1034 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
1035
|
|
|
1036 log = ngx_array_push(llcf->logs);
|
|
|
1037 if (log == NULL) {
|
|
|
1038 return NGX_CONF_ERROR;
|
|
|
1039 }
|
|
|
1040
|
|
|
1041 log->file = ngx_conf_open_file(cf->cycle, &value[1]);
|
|
|
1042 if (log->file == NULL) {
|
|
|
1043 return NGX_CONF_ERROR;
|
|
|
1044 }
|
|
|
1045
|
|
182
|
1046 log->disk_full_time = 0;
|
|
|
1047
|
|
120
|
1048 if (cf->args->nelts >= 3) {
|
|
118
|
1049 name = value[2];
|
|
130
|
1050
|
|
|
1051 if (ngx_strcmp(name.data, "combined") == 0) {
|
|
|
1052 lmcf->combined_used = 1;
|
|
|
1053 }
|
|
|
1054
|
|
118
|
1055 } else {
|
|
|
1056 name.len = sizeof("combined") - 1;
|
|
|
1057 name.data = (u_char *) "combined";
|
|
122
|
1058 lmcf->combined_used = 1;
|
|
118
|
1059 }
|
|
|
1060
|
|
|
1061 fmt = lmcf->formats.elts;
|
|
|
1062 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
1063 if (fmt[i].name.len == name.len
|
|
|
1064 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0)
|
|
|
1065 {
|
|
|
1066 log->ops = fmt[i].ops;
|
|
120
|
1067 goto buffer;
|
|
118
|
1068 }
|
|
|
1069 }
|
|
|
1070
|
|
|
1071 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1072 "unknown log format \"%V\"", &name);
|
|
120
|
1073 return NGX_CONF_ERROR;
|
|
118
|
1074
|
|
120
|
1075 buffer:
|
|
|
1076
|
|
|
1077 if (cf->args->nelts == 4) {
|
|
|
1078 if (ngx_strncmp(value[3].data, "buffer=", 7) != 0) {
|
|
|
1079 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1080 "invalid parameter \"%V\"", &value[3]);
|
|
|
1081 return NGX_CONF_ERROR;
|
|
|
1082 }
|
|
|
1083
|
|
|
1084 name.len = value[3].len - 7;
|
|
|
1085 name.data = value[3].data + 7;
|
|
|
1086
|
|
|
1087 buf = ngx_parse_size(&name);
|
|
|
1088
|
|
|
1089 if (buf == NGX_ERROR) {
|
|
|
1090 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1091 "invalid parameter \"%V\"", &value[3]);
|
|
|
1092 return NGX_CONF_ERROR;
|
|
|
1093 }
|
|
|
1094
|
|
|
1095 if (log->file->buffer && log->file->last - log->file->pos != buf) {
|
|
|
1096 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1097 "access_log \"%V\" already defined "
|
|
|
1098 "with different buffer size", &value[1]);
|
|
|
1099 return NGX_CONF_ERROR;
|
|
|
1100 }
|
|
|
1101
|
|
|
1102 log->file->buffer = ngx_palloc(cf->pool, buf);
|
|
|
1103 if (log->file->buffer == NULL) {
|
|
|
1104 return NGX_CONF_ERROR;
|
|
|
1105 }
|
|
|
1106
|
|
|
1107 log->file->pos = log->file->buffer;
|
|
|
1108 log->file->last = log->file->buffer + buf;
|
|
|
1109 }
|
|
|
1110
|
|
|
1111 return NGX_CONF_OK;
|
|
118
|
1112 }
|
|
|
1113
|
|
|
1114
|
|
|
1115 static char *
|
|
|
1116 ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1117 {
|
|
|
1118 ngx_http_log_main_conf_t *lmcf = conf;
|
|
|
1119
|
|
122
|
1120 ngx_str_t *value;
|
|
|
1121 ngx_uint_t i;
|
|
|
1122 ngx_http_log_fmt_t *fmt;
|
|
118
|
1123
|
|
|
1124 value = cf->args->elts;
|
|
|
1125
|
|
|
1126 fmt = lmcf->formats.elts;
|
|
122
|
1127 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
1128 if (fmt[i].name.len == value[1].len
|
|
|
1129 && ngx_strcmp(fmt[i].name.data, value[1].data) == 0)
|
|
118
|
1130 {
|
|
|
1131 return "duplicate \"log_format\" name";
|
|
|
1132 }
|
|
|
1133 }
|
|
|
1134
|
|
|
1135 fmt = ngx_array_push(&lmcf->formats);
|
|
|
1136 if (fmt == NULL) {
|
|
|
1137 return NGX_CONF_ERROR;
|
|
|
1138 }
|
|
|
1139
|
|
|
1140 fmt->name = value[1];
|
|
|
1141
|
|
122
|
1142 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t));
|
|
118
|
1143 if (fmt->ops == NULL) {
|
|
|
1144 return NGX_CONF_ERROR;
|
|
|
1145 }
|
|
|
1146
|
|
122
|
1147 return ngx_http_log_compile_format(cf, fmt->ops, cf->args, 2);
|
|
|
1148 }
|
|
|
1149
|
|
118
|
1150
|
|
122
|
1151 static char *
|
|
|
1152 ngx_http_log_compile_format(ngx_conf_t *cf, ngx_array_t *ops,
|
|
|
1153 ngx_array_t *args, ngx_uint_t s)
|
|
|
1154 {
|
|
|
1155 u_char *data, *p, *fname, *arg_data, ch;
|
|
|
1156 size_t i, len, fname_len, arg_len;
|
|
|
1157 ngx_str_t *value, var, *a;
|
|
|
1158 ngx_uint_t bracket;
|
|
|
1159 ngx_http_log_op_t *op;
|
|
|
1160 ngx_http_log_var_t *v;
|
|
|
1161 ngx_http_log_op_name_t *name;
|
|
|
1162 static ngx_uint_t warn;
|
|
|
1163
|
|
|
1164 value = args->elts;
|
|
|
1165 arg_data = NULL;
|
|
|
1166
|
|
|
1167 for ( /* void */ ; s < args->nelts; s++) {
|
|
118
|
1168
|
|
|
1169 i = 0;
|
|
|
1170
|
|
|
1171 while (i < value[s].len) {
|
|
|
1172
|
|
122
|
1173 op = ngx_array_push(ops);
|
|
118
|
1174 if (op == NULL) {
|
|
|
1175 return NGX_CONF_ERROR;
|
|
|
1176 }
|
|
|
1177
|
|
|
1178 data = &value[s].data[i];
|
|
|
1179
|
|
|
1180 if (value[s].data[i] == '%') {
|
|
|
1181 i++;
|
|
|
1182
|
|
|
1183 if (i == value[s].len) {
|
|
|
1184 goto invalid;
|
|
|
1185 }
|
|
|
1186
|
|
|
1187 if (value[s].data[i] == '{') {
|
|
|
1188 i++;
|
|
|
1189
|
|
122
|
1190 arg_data = &value[s].data[i];
|
|
118
|
1191
|
|
|
1192 while (i < value[s].len && value[s].data[i] != '}') {
|
|
|
1193 i++;
|
|
|
1194 }
|
|
|
1195
|
|
122
|
1196 arg_len = &value[s].data[i] - arg_data;
|
|
118
|
1197
|
|
122
|
1198 if (i == value[s].len || arg_len == 0) {
|
|
118
|
1199 goto invalid;
|
|
|
1200 }
|
|
|
1201
|
|
|
1202 i++;
|
|
|
1203
|
|
|
1204 } else {
|
|
122
|
1205 arg_len = 0;
|
|
|
1206 }
|
|
|
1207
|
|
|
1208 if (warn == 0) {
|
|
|
1209 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1210 "the parameters in the \"%%name\" form are deprecated, "
|
|
|
1211 "use the \"$variable\" instead");
|
|
|
1212 warn = 1;
|
|
118
|
1213 }
|
|
|
1214
|
|
|
1215 fname = &value[s].data[i];
|
|
|
1216
|
|
|
1217 while (i < value[s].len
|
|
|
1218 && ((value[s].data[i] >= 'a' && value[s].data[i] <= 'z')
|
|
|
1219 || value[s].data[i] == '_'))
|
|
|
1220 {
|
|
|
1221 i++;
|
|
|
1222 }
|
|
|
1223
|
|
|
1224 fname_len = &value[s].data[i] - fname;
|
|
|
1225
|
|
|
1226 if (fname_len == 0) {
|
|
|
1227 goto invalid;
|
|
|
1228 }
|
|
|
1229
|
|
|
1230 for (name = ngx_http_log_fmt_ops; name->run; name++) {
|
|
|
1231 if (name->name.len == 0) {
|
|
|
1232 name = (ngx_http_log_op_name_t *) name->run;
|
|
|
1233 }
|
|
|
1234
|
|
|
1235 if (name->name.len == fname_len
|
|
|
1236 && ngx_strncmp(name->name.data, fname, fname_len) == 0)
|
|
|
1237 {
|
|
|
1238 if (name->compile == NULL) {
|
|
122
|
1239 if (arg_len) {
|
|
118
|
1240 fname[fname_len] = '\0';
|
|
|
1241 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1242 "\"%s\" must not have argument",
|
|
|
1243 data);
|
|
|
1244 return NGX_CONF_ERROR;
|
|
|
1245 }
|
|
|
1246
|
|
|
1247 op->len = name->len;
|
|
|
1248 op->getlen = name->getlen;
|
|
|
1249 op->run = name->run;
|
|
|
1250 op->data = 0;
|
|
|
1251
|
|
|
1252 break;
|
|
|
1253 }
|
|
|
1254
|
|
122
|
1255 if (arg_len == 0) {
|
|
118
|
1256 fname[fname_len] = '\0';
|
|
|
1257 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
126
|
1258 "\"%s\" requires argument",
|
|
118
|
1259 data);
|
|
|
1260 return NGX_CONF_ERROR;
|
|
|
1261 }
|
|
|
1262
|
|
|
1263 a = ngx_palloc(cf->pool, sizeof(ngx_str_t));
|
|
|
1264 if (a == NULL) {
|
|
|
1265 return NGX_CONF_ERROR;
|
|
|
1266 }
|
|
|
1267
|
|
122
|
1268 a->len = arg_len;
|
|
|
1269 a->data = arg_data;
|
|
|
1270
|
|
118
|
1271 if (name->compile(cf, op, a) == NGX_ERROR) {
|
|
|
1272 return NGX_CONF_ERROR;
|
|
|
1273 }
|
|
|
1274
|
|
|
1275 break;
|
|
|
1276 }
|
|
|
1277 }
|
|
|
1278
|
|
|
1279 if (name->name.len == 0) {
|
|
|
1280 goto invalid;
|
|
|
1281 }
|
|
|
1282
|
|
122
|
1283 continue;
|
|
|
1284
|
|
118
|
1285 } else if (value[s].data[i] == '$') {
|
|
|
1286
|
|
|
1287 if (++i == value[s].len) {
|
|
|
1288 goto invalid;
|
|
|
1289 }
|
|
|
1290
|
|
|
1291 if (value[s].data[i] == '{') {
|
|
|
1292 bracket = 1;
|
|
|
1293
|
|
|
1294 if (++i == value[s].len) {
|
|
|
1295 goto invalid;
|
|
|
1296 }
|
|
|
1297
|
|
|
1298 var.data = &value[s].data[i];
|
|
|
1299
|
|
|
1300 } else {
|
|
|
1301 bracket = 0;
|
|
|
1302 var.data = &value[s].data[i];
|
|
|
1303 }
|
|
|
1304
|
|
|
1305 for (var.len = 0; i < value[s].len; i++, var.len++) {
|
|
|
1306 ch = value[s].data[i];
|
|
|
1307
|
|
|
1308 if (ch == '}' && bracket) {
|
|
|
1309 i++;
|
|
|
1310 bracket = 0;
|
|
|
1311 break;
|
|
|
1312 }
|
|
|
1313
|
|
|
1314 if ((ch >= 'A' && ch <= 'Z')
|
|
|
1315 || (ch >= 'a' && ch <= 'z')
|
|
|
1316 || (ch >= '0' && ch <= '9')
|
|
|
1317 || ch == '_')
|
|
|
1318 {
|
|
|
1319 continue;
|
|
|
1320 }
|
|
|
1321
|
|
|
1322 break;
|
|
|
1323 }
|
|
|
1324
|
|
|
1325 if (bracket) {
|
|
|
1326 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1327 "the closing bracket in \"%V\" "
|
|
|
1328 "variable is missing", &var);
|
|
|
1329 return NGX_CONF_ERROR;
|
|
|
1330 }
|
|
|
1331
|
|
|
1332 if (var.len == 0) {
|
|
|
1333 goto invalid;
|
|
|
1334 }
|
|
|
1335
|
|
126
|
1336 if (ngx_strncmp(var.data, "apache_bytes_sent", 17) == 0) {
|
|
|
1337 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1338 "use \"$body_bytes_sent\" instead of "
|
|
|
1339 "\"$apache_bytes_sent\"");
|
|
|
1340 }
|
|
|
1341
|
|
122
|
1342 for (v = ngx_http_log_vars; v->name.len; v++) {
|
|
|
1343
|
|
|
1344 if (v->name.len == var.len
|
|
|
1345 && ngx_strncmp(v->name.data, var.data, var.len) == 0)
|
|
|
1346 {
|
|
|
1347 op->len = v->len;
|
|
|
1348 op->getlen = NULL;
|
|
|
1349 op->run = v->run;
|
|
|
1350 op->data = 0;
|
|
|
1351
|
|
|
1352 goto found;
|
|
|
1353 }
|
|
|
1354 }
|
|
|
1355
|
|
118
|
1356 if (ngx_http_log_variable_compile(cf, op, &var) != NGX_OK) {
|
|
|
1357 return NGX_CONF_ERROR;
|
|
|
1358 }
|
|
|
1359
|
|
122
|
1360 found:
|
|
|
1361
|
|
|
1362 continue;
|
|
|
1363 }
|
|
|
1364
|
|
|
1365 i++;
|
|
118
|
1366
|
|
122
|
1367 while (i < value[s].len
|
|
|
1368 && value[s].data[i] != '$'
|
|
|
1369 && value[s].data[i] != '%')
|
|
|
1370 {
|
|
|
1371 i++;
|
|
|
1372 }
|
|
118
|
1373
|
|
122
|
1374 len = &value[s].data[i] - data;
|
|
118
|
1375
|
|
122
|
1376 if (len) {
|
|
118
|
1377
|
|
122
|
1378 op->len = len;
|
|
|
1379 op->getlen = NULL;
|
|
118
|
1380
|
|
122
|
1381 if (len <= sizeof(uintptr_t)) {
|
|
|
1382 op->run = ngx_http_log_copy_short;
|
|
|
1383 op->data = 0;
|
|
118
|
1384
|
|
122
|
1385 while (len--) {
|
|
|
1386 op->data <<= 8;
|
|
|
1387 op->data |= data[len];
|
|
|
1388 }
|
|
|
1389
|
|
|
1390 } else {
|
|
|
1391 op->run = ngx_http_log_copy_long;
|
|
118
|
1392
|
|
122
|
1393 p = ngx_palloc(cf->pool, len);
|
|
|
1394 if (p == NULL) {
|
|
|
1395 return NGX_CONF_ERROR;
|
|
|
1396 }
|
|
118
|
1397
|
|
122
|
1398 ngx_memcpy(p, data, len);
|
|
|
1399 op->data = (uintptr_t) p;
|
|
118
|
1400 }
|
|
|
1401 }
|
|
|
1402 }
|
|
|
1403 }
|
|
|
1404
|
|
|
1405 return NGX_CONF_OK;
|
|
|
1406
|
|
|
1407 invalid:
|
|
|
1408
|
|
|
1409 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%s\"", data);
|
|
|
1410
|
|
|
1411 return NGX_CONF_ERROR;
|
|
|
1412 }
|
|
|
1413
|
|
|
1414
|
|
|
1415 static ngx_int_t
|
|
122
|
1416 ngx_http_log_init(ngx_conf_t *cf)
|
|
118
|
1417 {
|
|
122
|
1418 ngx_str_t *value;
|
|
|
1419 ngx_array_t a;
|
|
130
|
1420 ngx_http_handler_pt *h;
|
|
122
|
1421 ngx_http_log_fmt_t *fmt;
|
|
|
1422 ngx_http_log_main_conf_t *lmcf;
|
|
118
|
1423 ngx_http_core_main_conf_t *cmcf;
|
|
|
1424
|
|
122
|
1425 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
1426
|
|
|
1427 if (lmcf->combined_used) {
|
|
|
1428 if (ngx_array_init(&a, cf->pool, 1, sizeof(ngx_str_t)) != NGX_OK) {
|
|
|
1429 return NGX_ERROR;
|
|
|
1430 }
|
|
|
1431
|
|
|
1432 value = ngx_array_push(&a);
|
|
|
1433 if (value == NULL) {
|
|
|
1434 return NGX_ERROR;
|
|
|
1435 }
|
|
|
1436
|
|
|
1437 *value = ngx_http_combined_fmt;
|
|
|
1438 fmt = lmcf->formats.elts;
|
|
|
1439
|
|
|
1440 if (ngx_http_log_compile_format(cf, fmt->ops, &a, 0)
|
|
|
1441 != NGX_CONF_OK)
|
|
|
1442 {
|
|
|
1443 return NGX_ERROR;
|
|
|
1444 }
|
|
|
1445 }
|
|
|
1446
|
|
|
1447 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
118
|
1448
|
|
130
|
1449 h = ngx_array_push(&cmcf->phases[NGX_HTTP_LOG_PHASE].handlers);
|
|
|
1450 if (h == NULL) {
|
|
|
1451 return NGX_ERROR;
|
|
|
1452 }
|
|
|
1453
|
|
|
1454 *h = ngx_http_log_handler;
|
|
118
|
1455
|
|
|
1456 return NGX_OK;
|
|
|
1457 }
|
