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0
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10 #include <nginx.h>
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11
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12
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13 static u_char *ngx_http_log_addr(ngx_http_request_t *r, u_char *buf,
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28
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14 ngx_http_log_op_t *op);
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0
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15 static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
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28
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16 ngx_http_log_op_t *op);
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0
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17 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf,
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28
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18 ngx_http_log_op_t *op);
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0
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19 static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf,
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28
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20 ngx_http_log_op_t *op);
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0
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21 static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf,
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28
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22 ngx_http_log_op_t *op);
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0
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23 static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf,
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28
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24 ngx_http_log_op_t *op);
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0
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25 static u_char *ngx_http_log_length(ngx_http_request_t *r, u_char *buf,
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28
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26 ngx_http_log_op_t *op);
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0
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27 static u_char *ngx_http_log_apache_length(ngx_http_request_t *r, u_char *buf,
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28
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28 ngx_http_log_op_t *op);
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24
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29 static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
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28
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30 ngx_http_log_op_t *op);
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31
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32 static size_t ngx_http_log_request_getlen(ngx_http_request_t *r,
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33 uintptr_t data);
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34 static u_char *ngx_http_log_request(ngx_http_request_t *r, u_char *buf,
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35 ngx_http_log_op_t *op);
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36
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37 static ngx_int_t ngx_http_log_header_in_compile(ngx_http_log_op_t *op,
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38 ngx_str_t *value);
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39 static size_t ngx_http_log_header_in_getlen(ngx_http_request_t *r,
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40 uintptr_t data);
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0
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41 static u_char *ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
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28
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42 ngx_http_log_op_t *op);
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43 static size_t ngx_http_log_unknown_header_in_getlen(ngx_http_request_t *r,
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44 uintptr_t data);
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45 static u_char *ngx_http_log_unknown_header_in(ngx_http_request_t *r,
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46 u_char *buf,
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47 ngx_http_log_op_t *op);
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48
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49 static ngx_int_t ngx_http_log_header_out_compile(ngx_http_log_op_t *op,
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50 ngx_str_t *value);
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51 static size_t ngx_http_log_header_out_getlen(ngx_http_request_t *r,
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52 uintptr_t data);
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53 static u_char *ngx_http_log_header_out(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 size_t ngx_http_log_unknown_header_out_getlen(ngx_http_request_t *r,
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56 uintptr_t data);
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57 static u_char *ngx_http_log_unknown_header_out(ngx_http_request_t *r,
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58 u_char *buf,
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59 ngx_http_log_op_t *op);
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60
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0
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61 static u_char *ngx_http_log_connection_header_out(ngx_http_request_t *r,
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28
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62 u_char *buf,
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63 ngx_http_log_op_t *op);
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0
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64 static u_char *ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r,
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65 u_char *buf,
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28
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66 ngx_http_log_op_t *op);
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0
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67
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28
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68 static ngx_table_elt_t *ngx_http_log_unknown_header(ngx_list_t *headers,
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69 ngx_str_t *value);
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70
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71 static ngx_int_t ngx_http_log_set_formats(ngx_conf_t *cf);
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0
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72 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf);
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73 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf);
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74 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
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75 void *child);
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76 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
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77 void *conf);
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78 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
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79 void *conf);
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80 static ngx_int_t ngx_http_log_parse_format(ngx_conf_t *cf, ngx_array_t *ops,
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81 ngx_str_t *line);
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82
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83
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84 static ngx_command_t ngx_http_log_commands[] = {
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85
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86 {ngx_string("log_format"),
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87 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE,
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88 ngx_http_log_set_format,
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89 NGX_HTTP_MAIN_CONF_OFFSET,
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90 0,
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91 NULL},
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92
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93 {ngx_string("access_log"),
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94 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
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95 ngx_http_log_set_log,
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96 NGX_HTTP_LOC_CONF_OFFSET,
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97 0,
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98 NULL},
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99
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100 ngx_null_command
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101 };
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102
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103
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104 ngx_http_module_t ngx_http_log_module_ctx = {
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28
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105 ngx_http_log_set_formats, /* pre conf */
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0
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106
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107 ngx_http_log_create_main_conf, /* create main configuration */
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108 NULL, /* init main configuration */
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109
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110 NULL, /* create server configuration */
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111 NULL, /* merge server configuration */
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112
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113 ngx_http_log_create_loc_conf, /* create location configration */
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114 ngx_http_log_merge_loc_conf /* merge location configration */
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115 };
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116
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117
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118 ngx_module_t ngx_http_log_module = {
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119 NGX_MODULE,
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120 &ngx_http_log_module_ctx, /* module context */
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121 ngx_http_log_commands, /* module directives */
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122 NGX_HTTP_MODULE, /* module type */
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123 NULL, /* init module */
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124 NULL /* init child */
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125 };
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126
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127
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128 static ngx_str_t http_access_log = ngx_string(NGX_HTTP_LOG_PATH);
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129
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130
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131 static ngx_str_t ngx_http_combined_fmt =
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132 ngx_string("%addr - - [%time] \"%request\" %status %apache_length "
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133 "\"%{Referer}i\" \"%{User-Agent}i\"");
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134
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135
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136 ngx_http_log_op_name_t ngx_http_log_fmt_ops[] = {
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28
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137 { ngx_string("addr"), INET_ADDRSTRLEN - 1, NULL, NULL, ngx_http_log_addr },
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138 { ngx_string("conn"), NGX_INT32_LEN, NULL, NULL, ngx_http_log_connection },
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139 { ngx_string("pipe"), 1, NULL, NULL, ngx_http_log_pipe },
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0
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140 { ngx_string("time"), sizeof("28/Sep/1970:12:00:00") - 1,
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28
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141 NULL, NULL, ngx_http_log_time },
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142 { ngx_string("msec"), NGX_TIME_T_LEN + 4, NULL, NULL, ngx_http_log_msec },
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143 { ngx_string("status"), 3, NULL, NULL, ngx_http_log_status },
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144 { ngx_string("length"), NGX_OFF_T_LEN, NULL, NULL, ngx_http_log_length },
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145 { ngx_string("apache_length"), NGX_OFF_T_LEN,
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146 NULL, NULL, ngx_http_log_apache_length },
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26
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147 { ngx_string("request_length"), NGX_SIZE_T_LEN,
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28
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148 NULL, NULL, ngx_http_log_request_length },
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149
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150 { ngx_string("request"), 0, NULL,
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151 ngx_http_log_request_getlen,
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152 ngx_http_log_request },
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153
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154 { ngx_string("i"), 0, ngx_http_log_header_in_compile,
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155 ngx_http_log_header_in_getlen,
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156 ngx_http_log_header_in },
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157
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158 { ngx_string("o"), 0, ngx_http_log_header_out_compile,
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159 ngx_http_log_header_out_getlen,
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160 ngx_http_log_header_out },
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161
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162 { ngx_null_string, 0, NULL, NULL, NULL }
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0
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163 };
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164
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165
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166 ngx_int_t ngx_http_log_handler(ngx_http_request_t *r)
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167 {
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168 ngx_uint_t i, l;
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169 u_char *line, *p;
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170 size_t len;
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171 ngx_http_log_t *log;
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172 ngx_http_log_op_t *op;
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173 ngx_http_log_loc_conf_t *lcf;
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10
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174 #if (NGX_WIN32)
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0
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175 u_long written;
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176 #endif
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177
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178 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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179 "http log handler");
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180
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181 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module);
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182
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183 if (lcf->off) {
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184 return NGX_OK;
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185 }
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186
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187 log = lcf->logs->elts;
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188 for (l = 0; l < lcf->logs->nelts; l++) {
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189
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190 len = 0;
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191 op = log[l].ops->elts;
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192 for (i = 0; i < log[l].ops->nelts; i++) {
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193 if (op[i].len == 0) {
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28
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194 len += op[i].getlen(r, op[i].data);
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0
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195
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196 } else {
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197 len += op[i].len;
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198 }
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199 }
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200
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10
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201 #if (NGX_WIN32)
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0
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202 len += 2;
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203 #else
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204 len++;
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205 #endif
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206
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22
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207 if (!(line = ngx_palloc(r->pool, len))) {
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208 return NGX_ERROR;
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209 }
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210
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0
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211 p = line;
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212
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213 for (i = 0; i < log[l].ops->nelts; i++) {
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28
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214 p = op[i].run(r, p, &op[i]);
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215 }
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216
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10
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217 #if (NGX_WIN32)
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218 *p++ = CR; *p++ = LF;
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219 WriteFile(log[l].file->fd, line, p - line, &written, NULL);
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220 #else
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221 *p++ = LF;
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222 write(log[l].file->fd, line, p - line);
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223 #endif
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224 }
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225
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226 return NGX_OK;
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227 }
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228
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229
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28
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230 static u_char *ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf,
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231 ngx_http_log_op_t *op)
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232 {
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233 size_t len;
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234 uintptr_t data;
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235
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236 len = op->len;
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237 data = op->data;
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238
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239 while (len--) {
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240 *buf++ = (u_char) (data & 0xff);
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241 data >>= 8;
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242 }
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243
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244 return buf;
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245 }
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246
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247
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248 static u_char *ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf,
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249 ngx_http_log_op_t *op)
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250 {
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251 return ngx_cpymem(buf, (u_char *) op->data, op->len);
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252 }
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253
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254
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0
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255 static u_char *ngx_http_log_addr(ngx_http_request_t *r, u_char *buf,
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28
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256 ngx_http_log_op_t *op)
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0
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257 {
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258 return ngx_cpymem(buf, r->connection->addr_text.data,
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259 r->connection->addr_text.len);
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260 }
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261
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262
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263 static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
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28
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264 ngx_http_log_op_t *op)
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0
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265 {
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4
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266 return ngx_sprintf(buf, "%ui", r->connection->number);
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0
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267 }
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268
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269
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270 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf,
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28
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271 ngx_http_log_op_t *op)
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0
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272 {
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273 if (r->pipeline) {
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274 *buf = 'p';
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275 } else {
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276 *buf = '.';
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277 }
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278
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279 return buf + 1;
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280 }
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281
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282
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283 static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf,
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28
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284 ngx_http_log_op_t *op)
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0
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285 {
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286 return ngx_cpymem(buf, ngx_cached_http_log_time.data,
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287 ngx_cached_http_log_time.len);
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288 }
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289
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290
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291 static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf,
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28
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292 ngx_http_log_op_t *op)
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0
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293 {
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294 struct timeval tv;
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295
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296 ngx_gettimeofday(&tv);
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297
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4
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298 return ngx_sprintf(buf, "%l.%03l", tv.tv_sec, tv.tv_usec / 1000);
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0
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299 }
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300
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301
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28
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302 static size_t ngx_http_log_request_getlen(ngx_http_request_t *r,
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303 uintptr_t data)
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0
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304 {
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28
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305 return r->request_line.len;
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306 }
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307
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0
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308
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28
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309 static u_char *ngx_http_log_request(ngx_http_request_t *r, u_char *buf,
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310 ngx_http_log_op_t *op)
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311 {
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0
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312 return ngx_cpymem(buf, r->request_line.data, r->request_line.len);
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313 }
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314
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315
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316 static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf,
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28
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317 ngx_http_log_op_t *op)
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0
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318 {
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4
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319 return ngx_sprintf(buf, "%ui",
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320 r->err_status ? r->err_status : r->headers_out.status);
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0
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321 }
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322
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323
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324 static u_char *ngx_http_log_length(ngx_http_request_t *r, u_char *buf,
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28
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325 ngx_http_log_op_t *op)
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0
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326 {
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4
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327 return ngx_sprintf(buf, "%O", r->connection->sent);
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0
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328 }
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329
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330
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331 static u_char *ngx_http_log_apache_length(ngx_http_request_t *r, u_char *buf,
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28
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332 ngx_http_log_op_t *op)
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0
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333 {
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4
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334 return ngx_sprintf(buf, "%O", r->connection->sent - r->header_size);
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0
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335 }
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336
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337
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24
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338 static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
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28
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339 ngx_http_log_op_t *op)
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24
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340 {
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26
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341 return ngx_sprintf(buf, "%z", r->request_length);
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24
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342 }
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343
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344
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28
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345 static ngx_int_t ngx_http_log_header_in_compile(ngx_http_log_op_t *op,
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346 ngx_str_t *value)
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347 {
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348 ngx_uint_t i;
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349
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350 op->len = 0;
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351
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352 for (i = 0; ngx_http_headers_in[i].name.len != 0; i++) {
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353
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|
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354 if (ngx_http_headers_in[i].name.len != value->len) {
|
|
|
355 continue;
|
|
|
356 }
|
|
|
357
|
|
|
358 if (ngx_strncasecmp(ngx_http_headers_in[i].name.data, value->data,
|
|
|
359 value->len) == 0)
|
|
|
360 {
|
|
|
361 op->getlen = ngx_http_log_header_in_getlen;
|
|
|
362 op->run = ngx_http_log_header_in;
|
|
|
363 op->data = ngx_http_headers_in[i].offset;
|
|
|
364
|
|
|
365 return NGX_OK;
|
|
|
366 }
|
|
|
367 }
|
|
|
368
|
|
|
369 op->getlen = ngx_http_log_unknown_header_in_getlen;
|
|
|
370 op->run = ngx_http_log_unknown_header_in;
|
|
|
371 op->data = (uintptr_t) value;
|
|
|
372
|
|
|
373 return NGX_OK;
|
|
|
374 }
|
|
|
375
|
|
|
376
|
|
|
377 static size_t ngx_http_log_header_in_getlen(ngx_http_request_t *r,
|
|
|
378 uintptr_t data)
|
|
|
379 {
|
|
|
380 ngx_table_elt_t *h;
|
|
|
381
|
|
|
382 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + data);
|
|
|
383
|
|
|
384 if (h) {
|
|
|
385 return h->value.len;
|
|
|
386 }
|
|
|
387
|
|
|
388 return 1;
|
|
|
389 }
|
|
|
390
|
|
|
391
|
|
0
|
392 static u_char *ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
|
|
28
|
393 ngx_http_log_op_t *op)
|
|
0
|
394 {
|
|
28
|
395 ngx_table_elt_t *h;
|
|
|
396
|
|
|
397 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + op->data);
|
|
|
398
|
|
|
399 if (h) {
|
|
|
400 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
401 }
|
|
|
402
|
|
|
403 *buf = '-';
|
|
|
404
|
|
|
405 return buf + 1;
|
|
|
406 }
|
|
|
407
|
|
|
408
|
|
|
409 static size_t ngx_http_log_unknown_header_in_getlen(ngx_http_request_t *r,
|
|
|
410 uintptr_t data)
|
|
|
411 {
|
|
|
412 ngx_table_elt_t *h;
|
|
|
413
|
|
|
414 h = ngx_http_log_unknown_header(&r->headers_in.headers, (ngx_str_t *) data);
|
|
|
415
|
|
|
416 if (h) {
|
|
|
417 return h->value.len;
|
|
|
418 }
|
|
|
419
|
|
|
420 return 1;
|
|
|
421 }
|
|
|
422
|
|
|
423
|
|
|
424 static u_char *ngx_http_log_unknown_header_in(ngx_http_request_t *r,
|
|
|
425 u_char *buf,
|
|
|
426 ngx_http_log_op_t *op)
|
|
|
427 {
|
|
|
428 ngx_table_elt_t *h;
|
|
|
429
|
|
|
430 h = ngx_http_log_unknown_header(&r->headers_in.headers,
|
|
|
431 (ngx_str_t *) op->data);
|
|
|
432
|
|
|
433 if (h) {
|
|
|
434 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
435 }
|
|
|
436
|
|
|
437 *buf = '-';
|
|
|
438
|
|
|
439 return buf + 1;
|
|
|
440 }
|
|
|
441
|
|
|
442
|
|
|
443 static ngx_int_t ngx_http_log_header_out_compile(ngx_http_log_op_t *op,
|
|
|
444 ngx_str_t *value)
|
|
|
445 {
|
|
|
446 ngx_uint_t i;
|
|
|
447
|
|
|
448 op->len = 0;
|
|
|
449
|
|
|
450 for (i = 0; ngx_http_headers_out[i].name.len != 0; i++) {
|
|
|
451
|
|
|
452 if (ngx_http_headers_out[i].name.len != value->len) {
|
|
|
453 continue;
|
|
|
454 }
|
|
0
|
455
|
|
28
|
456 if (ngx_strncasecmp(ngx_http_headers_out[i].name.data, value->data,
|
|
|
457 value->len) == 0)
|
|
|
458 {
|
|
|
459 op->getlen = ngx_http_log_header_out_getlen;
|
|
|
460 op->run = ngx_http_log_header_out;
|
|
|
461 op->data = ngx_http_headers_out[i].offset;
|
|
|
462
|
|
|
463 return NGX_OK;
|
|
|
464 }
|
|
|
465 }
|
|
|
466
|
|
|
467 if (value->len == sizeof("Connection") - 1
|
|
|
468 && ngx_strncasecmp(value->data, "Connection", value->len) == 0)
|
|
|
469 {
|
|
|
470 op->len = sizeof("keep-alive") - 1;
|
|
|
471 op->getlen = NULL;
|
|
|
472 op->run = ngx_http_log_connection_header_out;
|
|
|
473 op->data = 0;
|
|
|
474 return NGX_OK;
|
|
|
475 }
|
|
0
|
476
|
|
28
|
477 if (value->len == sizeof("Transfer-Encoding") - 1
|
|
|
478 && ngx_strncasecmp(value->data, "Transfer-Encoding", value->len) == 0)
|
|
|
479 {
|
|
|
480 op->len = sizeof("chunked") - 1;
|
|
|
481 op->getlen = NULL;
|
|
|
482 op->run = ngx_http_log_transfer_encoding_header_out;
|
|
|
483 op->data = 0;
|
|
|
484 return NGX_OK;
|
|
|
485 }
|
|
|
486
|
|
|
487 op->getlen = ngx_http_log_unknown_header_out_getlen;
|
|
|
488 op->run = ngx_http_log_unknown_header_out;
|
|
|
489 op->data = (uintptr_t) value;
|
|
|
490
|
|
|
491 return NGX_OK;
|
|
|
492 }
|
|
|
493
|
|
|
494
|
|
|
495 static size_t ngx_http_log_header_out_getlen(ngx_http_request_t *r,
|
|
|
496 uintptr_t data)
|
|
|
497 {
|
|
|
498 ngx_table_elt_t *h;
|
|
|
499
|
|
|
500 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + data);
|
|
|
501
|
|
|
502 if (h) {
|
|
|
503 return h->value.len;
|
|
|
504 }
|
|
|
505
|
|
|
506 /*
|
|
|
507 * No header pointer was found.
|
|
|
508 * However, some headers: "Date", "Server", "Content-Length",
|
|
|
509 * and "Last-Modified" have a special handling in the header filter
|
|
|
510 * but we do not set up their pointers in the filter because
|
|
|
511 * they are too seldom needed to be logged.
|
|
|
512 */
|
|
0
|
513
|
|
28
|
514 if (data == offsetof(ngx_http_headers_out_t, date)) {
|
|
|
515 return ngx_cached_http_time.len;
|
|
|
516 }
|
|
|
517
|
|
|
518 if (data == offsetof(ngx_http_headers_out_t, server)) {
|
|
|
519 return (sizeof(NGINX_VER) - 1);
|
|
|
520 }
|
|
|
521
|
|
|
522 if (data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
|
523 if (r->headers_out.content_length_n == -1) {
|
|
|
524 return 1;
|
|
|
525 }
|
|
|
526
|
|
|
527 return NGX_OFF_T_LEN;
|
|
|
528 }
|
|
|
529
|
|
|
530 if (data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
|
531 if (r->headers_out.last_modified_time == -1) {
|
|
|
532 return 1;
|
|
|
533 }
|
|
|
534
|
|
|
535 return sizeof("Mon, 28 Sep 1970 06:00:00 GMT") - 1;
|
|
|
536 }
|
|
|
537
|
|
|
538 return 1;
|
|
|
539 }
|
|
|
540
|
|
0
|
541
|
|
28
|
542 static u_char *ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
543 ngx_http_log_op_t *op)
|
|
|
544 {
|
|
|
545 ngx_table_elt_t *h;
|
|
|
546
|
|
|
547 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + op->data);
|
|
|
548
|
|
|
549 if (h) {
|
|
|
550 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
551 }
|
|
|
552
|
|
|
553 /*
|
|
|
554 * No header pointer was found.
|
|
|
555 * However, some headers: "Date", "Server", "Content-Length",
|
|
|
556 * and "Last-Modified" have a special handling in the header filter
|
|
|
557 * but we do not set up their pointers in the filter because
|
|
|
558 * they are too seldom needed to be logged.
|
|
|
559 */
|
|
|
560
|
|
|
561 if (op->data == offsetof(ngx_http_headers_out_t, date)) {
|
|
|
562 return ngx_cpymem(buf, ngx_cached_http_time.data,
|
|
|
563 ngx_cached_http_time.len);
|
|
|
564 }
|
|
|
565
|
|
|
566 if (op->data == offsetof(ngx_http_headers_out_t, server)) {
|
|
|
567 return ngx_cpymem(buf, NGINX_VER, sizeof(NGINX_VER) - 1);
|
|
|
568 }
|
|
|
569
|
|
|
570 if (op->data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
|
571 if (r->headers_out.content_length_n == -1) {
|
|
|
572 *buf = '-';
|
|
0
|
573
|
|
|
574 return buf + 1;
|
|
|
575 }
|
|
|
576
|
|
28
|
577 return ngx_sprintf(buf, "%O", r->headers_out.content_length_n);
|
|
|
578 }
|
|
|
579
|
|
|
580 if (op->data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
|
581 if (r->headers_out.last_modified_time == -1) {
|
|
|
582 *buf = '-';
|
|
|
583
|
|
|
584 return buf + 1;
|
|
0
|
585 }
|
|
|
586
|
|
28
|
587 return ngx_http_time(buf, r->headers_out.last_modified_time);
|
|
|
588 }
|
|
|
589
|
|
|
590 *buf = '-';
|
|
|
591
|
|
|
592 return buf + 1;
|
|
|
593 }
|
|
|
594
|
|
|
595
|
|
|
596 static size_t ngx_http_log_unknown_header_out_getlen(ngx_http_request_t *r,
|
|
|
597 uintptr_t data)
|
|
|
598 {
|
|
|
599 ngx_table_elt_t *h;
|
|
|
600
|
|
|
601 h = ngx_http_log_unknown_header(&r->headers_out.headers,
|
|
|
602 (ngx_str_t *) data);
|
|
|
603
|
|
|
604 if (h) {
|
|
|
605 return h->value.len;
|
|
|
606 }
|
|
|
607
|
|
|
608 return 1;
|
|
|
609 }
|
|
|
610
|
|
|
611
|
|
|
612 static u_char *ngx_http_log_unknown_header_out(ngx_http_request_t *r,
|
|
|
613 u_char *buf,
|
|
|
614 ngx_http_log_op_t *op)
|
|
|
615 {
|
|
|
616 ngx_table_elt_t *h;
|
|
|
617
|
|
|
618 h = ngx_http_log_unknown_header(&r->headers_out.headers,
|
|
|
619 (ngx_str_t *) op->data);
|
|
|
620
|
|
|
621 if (h) {
|
|
0
|
622 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
623 }
|
|
|
624
|
|
28
|
625 *buf = '-';
|
|
0
|
626
|
|
28
|
627 return buf + 1;
|
|
0
|
628 }
|
|
|
629
|
|
|
630
|
|
28
|
631 static ngx_table_elt_t *ngx_http_log_unknown_header(ngx_list_t *headers,
|
|
|
632 ngx_str_t *value)
|
|
0
|
633 {
|
|
|
634 ngx_uint_t i;
|
|
|
635 ngx_list_part_t *part;
|
|
|
636 ngx_table_elt_t *h;
|
|
|
637
|
|
28
|
638 part = &headers->part;
|
|
0
|
639 h = part->elts;
|
|
|
640
|
|
|
641 for (i = 0; /* void */; i++) {
|
|
|
642
|
|
|
643 if (i >= part->nelts) {
|
|
|
644 if (part->next == NULL) {
|
|
|
645 break;
|
|
|
646 }
|
|
|
647
|
|
|
648 part = part->next;
|
|
|
649 h = part->elts;
|
|
|
650 i = 0;
|
|
|
651 }
|
|
|
652
|
|
28
|
653 if (h[i].key.len != value->len) {
|
|
0
|
654 continue;
|
|
|
655 }
|
|
|
656
|
|
28
|
657 if (ngx_strncasecmp(h[i].key.data, value->data, value->len) == 0) {
|
|
|
658 return &h[i];
|
|
0
|
659 }
|
|
|
660 }
|
|
|
661
|
|
|
662 return NULL;
|
|
|
663 }
|
|
|
664
|
|
|
665
|
|
|
666 static u_char *ngx_http_log_connection_header_out(ngx_http_request_t *r,
|
|
28
|
667 u_char *buf,
|
|
|
668 ngx_http_log_op_t *op)
|
|
0
|
669 {
|
|
|
670 if (r->keepalive) {
|
|
|
671 return ngx_cpymem(buf, "keep-alive", sizeof("keep-alive") - 1);
|
|
|
672
|
|
|
673 } else {
|
|
|
674 return ngx_cpymem(buf, "close", sizeof("close") - 1);
|
|
|
675 }
|
|
|
676 }
|
|
|
677
|
|
|
678
|
|
|
679 static u_char *ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r,
|
|
|
680 u_char *buf,
|
|
28
|
681 ngx_http_log_op_t *op)
|
|
0
|
682 {
|
|
|
683 if (r->chunked) {
|
|
|
684 return ngx_cpymem(buf, "chunked", sizeof("chunked") - 1);
|
|
|
685 }
|
|
|
686
|
|
|
687 *buf = '-';
|
|
|
688
|
|
|
689 return buf + 1;
|
|
|
690 }
|
|
|
691
|
|
|
692
|
|
28
|
693 static ngx_int_t ngx_http_log_set_formats(ngx_conf_t *cf)
|
|
0
|
694 {
|
|
|
695 ngx_http_log_op_name_t *op;
|
|
|
696
|
|
|
697 for (op = ngx_http_log_fmt_ops; op->name.len; op++) { /* void */ }
|
|
28
|
698 op->run = NULL;
|
|
0
|
699
|
|
|
700 return NGX_OK;
|
|
|
701 }
|
|
|
702
|
|
|
703
|
|
|
704 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf)
|
|
|
705 {
|
|
|
706 ngx_http_log_main_conf_t *conf;
|
|
|
707
|
|
|
708 char *rc;
|
|
|
709 ngx_str_t *value;
|
|
|
710
|
|
|
711 if (!(conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t)))) {
|
|
|
712 return NGX_CONF_ERROR;
|
|
|
713 }
|
|
|
714
|
|
|
715 ngx_init_array(conf->formats, cf->pool, 5, sizeof(ngx_http_log_fmt_t),
|
|
|
716 NGX_CONF_ERROR);
|
|
|
717
|
|
|
718 cf->args->nelts = 0;
|
|
|
719
|
|
|
720 if (!(value = ngx_push_array(cf->args))) {
|
|
|
721 return NGX_CONF_ERROR;
|
|
|
722 }
|
|
|
723
|
|
|
724 if (!(value = ngx_push_array(cf->args))) {
|
|
|
725 return NGX_CONF_ERROR;
|
|
|
726 }
|
|
|
727
|
|
|
728 value->len = sizeof("combined") - 1;
|
|
|
729 value->data = (u_char *) "combined";
|
|
|
730
|
|
|
731 if (!(value = ngx_push_array(cf->args))) {
|
|
|
732 return NGX_CONF_ERROR;
|
|
|
733 }
|
|
|
734
|
|
|
735 *value = ngx_http_combined_fmt;
|
|
|
736
|
|
|
737 rc = ngx_http_log_set_format(cf, NULL, conf);
|
|
|
738 if (rc != NGX_CONF_OK) {
|
|
|
739 return NULL;
|
|
|
740 }
|
|
|
741
|
|
|
742 return conf;
|
|
|
743 }
|
|
|
744
|
|
|
745
|
|
|
746 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf)
|
|
|
747 {
|
|
|
748 ngx_http_log_loc_conf_t *conf;
|
|
|
749
|
|
|
750 if (!(conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t)))) {
|
|
|
751 return NGX_CONF_ERROR;
|
|
|
752 }
|
|
|
753
|
|
|
754 return conf;
|
|
|
755 }
|
|
|
756
|
|
|
757
|
|
|
758 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
|
|
|
759 void *child)
|
|
|
760 {
|
|
|
761 ngx_http_log_loc_conf_t *prev = parent;
|
|
|
762 ngx_http_log_loc_conf_t *conf = child;
|
|
|
763
|
|
|
764 ngx_http_log_t *log;
|
|
|
765 ngx_http_log_fmt_t *fmt;
|
|
|
766 ngx_http_log_main_conf_t *lmcf;
|
|
|
767
|
|
|
768 if (conf->logs == NULL) {
|
|
|
769
|
|
|
770 if (conf->off) {
|
|
|
771 return NGX_CONF_OK;
|
|
|
772 }
|
|
|
773
|
|
|
774 if (prev->logs) {
|
|
|
775 conf->logs = prev->logs;
|
|
|
776
|
|
|
777 } else {
|
|
|
778
|
|
|
779 if (prev->off) {
|
|
|
780 conf->off = prev->off;
|
|
|
781 return NGX_CONF_OK;
|
|
|
782 }
|
|
|
783
|
|
|
784 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
785 if (conf->logs == NULL) {
|
|
|
786 return NGX_CONF_ERROR;
|
|
|
787 }
|
|
|
788
|
|
|
789 if (!(log = ngx_array_push(conf->logs))) {
|
|
|
790 return NGX_CONF_ERROR;
|
|
|
791 }
|
|
|
792
|
|
|
793 log->file = ngx_conf_open_file(cf->cycle, &http_access_log);
|
|
|
794 if (log->file == NULL) {
|
|
|
795 return NGX_CONF_ERROR;
|
|
|
796 }
|
|
|
797
|
|
|
798 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
799 fmt = lmcf->formats.elts;
|
|
|
800
|
|
|
801 /* the default "combined" format */
|
|
|
802 log->ops = fmt[0].ops;
|
|
|
803 }
|
|
|
804 }
|
|
|
805
|
|
|
806 return NGX_CONF_OK;
|
|
|
807 }
|
|
|
808
|
|
|
809
|
|
|
810 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
811 void *conf)
|
|
|
812 {
|
|
|
813 ngx_http_log_loc_conf_t *llcf = conf;
|
|
|
814
|
|
|
815 ngx_uint_t i;
|
|
|
816 ngx_str_t *value, name;
|
|
|
817 ngx_http_log_t *log;
|
|
|
818 ngx_http_log_fmt_t *fmt;
|
|
|
819 ngx_http_log_main_conf_t *lmcf;
|
|
|
820
|
|
|
821 value = cf->args->elts;
|
|
|
822
|
|
|
823 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
824 llcf->off = 1;
|
|
|
825 return NGX_CONF_OK;
|
|
|
826 }
|
|
|
827
|
|
|
828 if (llcf->logs == NULL) {
|
|
|
829 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
830 if (llcf->logs == NULL) {
|
|
|
831 return NGX_CONF_ERROR;
|
|
|
832 }
|
|
|
833 }
|
|
|
834
|
|
|
835 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
836
|
|
|
837 if (!(log = ngx_array_push(llcf->logs))) {
|
|
|
838 return NGX_CONF_ERROR;
|
|
|
839 }
|
|
|
840
|
|
|
841 if (!(log->file = ngx_conf_open_file(cf->cycle, &value[1]))) {
|
|
|
842 return NGX_CONF_ERROR;
|
|
|
843 }
|
|
|
844
|
|
|
845 if (cf->args->nelts == 3) {
|
|
|
846 name = value[2];
|
|
|
847 } else {
|
|
|
848 name.len = sizeof("combined") - 1;
|
|
|
849 name.data = (u_char *) "combined";
|
|
|
850 }
|
|
|
851
|
|
|
852 fmt = lmcf->formats.elts;
|
|
|
853 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
854 if (fmt[i].name.len == name.len
|
|
|
855 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0)
|
|
|
856 {
|
|
|
857 log->ops = fmt[i].ops;
|
|
|
858 return NGX_CONF_OK;
|
|
|
859 }
|
|
|
860 }
|
|
|
861
|
|
|
862 return NGX_CONF_OK;
|
|
|
863 }
|
|
|
864
|
|
|
865
|
|
|
866 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
867 void *conf)
|
|
|
868 {
|
|
|
869 ngx_http_log_main_conf_t *lmcf = conf;
|
|
|
870
|
|
|
871 ngx_uint_t s, f, invalid;
|
|
|
872 u_char *data, *p, *fname;
|
|
|
873 size_t i, len, fname_len;
|
|
|
874 ngx_str_t *value, arg, *a;
|
|
|
875 ngx_http_log_op_t *op;
|
|
|
876 ngx_http_log_fmt_t *fmt;
|
|
|
877 ngx_http_log_op_name_t *name;
|
|
|
878
|
|
|
879 value = cf->args->elts;
|
|
|
880
|
|
|
881 fmt = lmcf->formats.elts;
|
|
|
882 for (f = 0; f < lmcf->formats.nelts; f++) {
|
|
|
883 if (fmt[f].name.len == value[1].len
|
|
|
884 && ngx_strcmp(fmt->name.data, value[1].data) == 0)
|
|
|
885 {
|
|
|
886 return "duplicate \"log_format\" name";
|
|
|
887 }
|
|
|
888 }
|
|
|
889
|
|
|
890 if (!(fmt = ngx_push_array(&lmcf->formats))) {
|
|
|
891 return NGX_CONF_ERROR;
|
|
|
892 }
|
|
|
893
|
|
|
894 fmt->name = value[1];
|
|
|
895
|
|
34
|
896 if (!(fmt->ops = ngx_array_create(cf->pool, 20, sizeof(ngx_http_log_op_t))))
|
|
|
897 {
|
|
0
|
898 return NGX_CONF_ERROR;
|
|
|
899 }
|
|
|
900
|
|
|
901 invalid = 0;
|
|
|
902 data = NULL;
|
|
|
903
|
|
|
904 for (s = 2; s < cf->args->nelts && !invalid; s++) {
|
|
|
905
|
|
|
906 i = 0;
|
|
|
907
|
|
|
908 while (i < value[s].len) {
|
|
|
909
|
|
|
910 if (!(op = ngx_push_array(fmt->ops))) {
|
|
|
911 return NGX_CONF_ERROR;
|
|
|
912 }
|
|
|
913
|
|
|
914 data = &value[s].data[i];
|
|
|
915
|
|
|
916 if (value[s].data[i] == '%') {
|
|
|
917 i++;
|
|
|
918
|
|
|
919 if (i == value[s].len) {
|
|
|
920 invalid = 1;
|
|
|
921 break;
|
|
|
922 }
|
|
|
923
|
|
|
924 if (value[s].data[i] == '{') {
|
|
|
925 i++;
|
|
|
926
|
|
|
927 arg.data = &value[s].data[i];
|
|
|
928
|
|
|
929 while (i < value[s].len && value[s].data[i] != '}') {
|
|
|
930 i++;
|
|
|
931 }
|
|
|
932
|
|
|
933 arg.len = &value[s].data[i] - arg.data;
|
|
|
934
|
|
|
935 if (i == value[s].len || arg.len == 0) {
|
|
|
936 invalid = 1;
|
|
|
937 break;
|
|
|
938 }
|
|
|
939
|
|
|
940 i++;
|
|
|
941
|
|
|
942 } else {
|
|
|
943 arg.len = 0;
|
|
|
944 }
|
|
|
945
|
|
|
946 fname = &value[s].data[i];
|
|
|
947
|
|
|
948 while (i < value[s].len
|
|
|
949 && ((value[s].data[i] >= 'a' && value[s].data[i] <= 'z')
|
|
|
950 || value[s].data[i] == '_'))
|
|
|
951 {
|
|
|
952 i++;
|
|
|
953 }
|
|
|
954
|
|
|
955 fname_len = &value[s].data[i] - fname;
|
|
|
956
|
|
|
957 if (fname_len == 0) {
|
|
|
958 invalid = 1;
|
|
|
959 break;
|
|
|
960 }
|
|
|
961
|
|
28
|
962 for (name = ngx_http_log_fmt_ops; name->run; name++) {
|
|
0
|
963 if (name->name.len == 0) {
|
|
28
|
964 name = (ngx_http_log_op_name_t *) name->run;
|
|
0
|
965 }
|
|
|
966
|
|
|
967 if (name->name.len == fname_len
|
|
|
968 && ngx_strncmp(name->name.data, fname, fname_len) == 0)
|
|
|
969 {
|
|
28
|
970 if (name->compile == NULL) {
|
|
0
|
971 if (arg.len) {
|
|
|
972 fname[fname_len] = '\0';
|
|
|
973 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
974 "\"%s\" must not have argument",
|
|
|
975 data);
|
|
|
976 return NGX_CONF_ERROR;
|
|
|
977 }
|
|
|
978
|
|
|
979 op->len = name->len;
|
|
28
|
980 op->getlen = name->getlen;
|
|
|
981 op->run = name->run;
|
|
0
|
982 op->data = 0;
|
|
|
983
|
|
|
984 break;
|
|
|
985 }
|
|
|
986
|
|
|
987 if (arg.len == 0) {
|
|
|
988 fname[fname_len] = '\0';
|
|
|
989 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
990 "\"%s\" requires argument",
|
|
|
991 data);
|
|
|
992 return NGX_CONF_ERROR;
|
|
|
993 }
|
|
|
994
|
|
|
995 if (!(a = ngx_palloc(cf->pool, sizeof(ngx_str_t)))) {
|
|
|
996 return NGX_CONF_ERROR;
|
|
|
997 }
|
|
|
998
|
|
|
999 *a = arg;
|
|
28
|
1000 if (name->compile(op, a) == NGX_ERROR) {
|
|
|
1001 return NGX_CONF_ERROR;
|
|
|
1002 }
|
|
0
|
1003
|
|
|
1004 break;
|
|
|
1005 }
|
|
|
1006 }
|
|
|
1007
|
|
|
1008 if (name->name.len == 0) {
|
|
|
1009 invalid = 1;
|
|
|
1010 break;
|
|
|
1011 }
|
|
|
1012
|
|
|
1013 } else {
|
|
|
1014 i++;
|
|
|
1015
|
|
|
1016 while (i < value[s].len && value[s].data[i] != '%') {
|
|
|
1017 i++;
|
|
|
1018 }
|
|
|
1019
|
|
|
1020 len = &value[s].data[i] - data;
|
|
|
1021
|
|
|
1022 if (len) {
|
|
|
1023
|
|
|
1024 op->len = len;
|
|
28
|
1025 op->getlen = NULL;
|
|
0
|
1026
|
|
|
1027 if (len <= sizeof(uintptr_t)) {
|
|
28
|
1028 op->run = ngx_http_log_copy_short;
|
|
0
|
1029 op->data = 0;
|
|
|
1030
|
|
|
1031 while (len--) {
|
|
|
1032 op->data <<= 8;
|
|
|
1033 op->data |= data[len];
|
|
|
1034 }
|
|
|
1035
|
|
|
1036 } else {
|
|
28
|
1037 op->run = ngx_http_log_copy_long;
|
|
0
|
1038
|
|
|
1039 if (!(p = ngx_palloc(cf->pool, len))) {
|
|
|
1040 return NGX_CONF_ERROR;
|
|
|
1041 }
|
|
|
1042
|
|
|
1043 ngx_memcpy(p, data, len);
|
|
|
1044 op->data = (uintptr_t) p;
|
|
|
1045 }
|
|
|
1046 }
|
|
|
1047 }
|
|
|
1048 }
|
|
|
1049 }
|
|
|
1050
|
|
|
1051 if (invalid) {
|
|
|
1052 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1053 "invalid parameter \"%s\"", data);
|
|
|
1054 return NGX_CONF_ERROR;
|
|
|
1055 }
|
|
|
1056
|
|
|
1057 return NGX_CONF_OK;
|
|
|
1058 }
|
