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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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42
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138 { ngx_string("conn"), NGX_ATOMIC_T_LEN, NULL, NULL,
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139 ngx_http_log_connection },
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28
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140 { ngx_string("pipe"), 1, NULL, NULL, ngx_http_log_pipe },
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38
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141 { ngx_string("time"), sizeof("28/Sep/1970:12:00:00 +0600") - 1,
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28
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142 NULL, NULL, ngx_http_log_time },
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143 { ngx_string("msec"), NGX_TIME_T_LEN + 4, NULL, NULL, ngx_http_log_msec },
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144 { ngx_string("status"), 3, NULL, NULL, ngx_http_log_status },
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145 { ngx_string("length"), NGX_OFF_T_LEN, NULL, NULL, ngx_http_log_length },
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146 { ngx_string("apache_length"), NGX_OFF_T_LEN,
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42
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147 NULL, NULL, ngx_http_log_apache_length },
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26
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148 { ngx_string("request_length"), NGX_SIZE_T_LEN,
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42
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149 NULL, NULL, ngx_http_log_request_length },
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28
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150
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151 { ngx_string("request"), 0, NULL,
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42
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152 ngx_http_log_request_getlen,
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153 ngx_http_log_request },
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28
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154
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155 { ngx_string("i"), 0, ngx_http_log_header_in_compile,
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156 ngx_http_log_header_in_getlen,
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157 ngx_http_log_header_in },
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158
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159 { ngx_string("o"), 0, ngx_http_log_header_out_compile,
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160 ngx_http_log_header_out_getlen,
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161 ngx_http_log_header_out },
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162
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163 { ngx_null_string, 0, NULL, NULL, NULL }
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0
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164 };
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165
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166
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167 ngx_int_t ngx_http_log_handler(ngx_http_request_t *r)
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168 {
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169 ngx_uint_t i, l;
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170 u_char *line, *p;
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171 size_t len;
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172 ngx_http_log_t *log;
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173 ngx_http_log_op_t *op;
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174 ngx_http_log_loc_conf_t *lcf;
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10
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175 #if (NGX_WIN32)
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0
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176 u_long written;
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177 #endif
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178
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179 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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180 "http log handler");
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181
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182 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module);
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183
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184 if (lcf->off) {
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185 return NGX_OK;
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186 }
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187
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188 log = lcf->logs->elts;
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189 for (l = 0; l < lcf->logs->nelts; l++) {
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190
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191 len = 0;
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192 op = log[l].ops->elts;
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193 for (i = 0; i < log[l].ops->nelts; i++) {
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194 if (op[i].len == 0) {
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28
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195 len += op[i].getlen(r, op[i].data);
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0
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196
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197 } else {
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198 len += op[i].len;
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199 }
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200 }
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201
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10
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202 #if (NGX_WIN32)
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0
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203 len += 2;
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204 #else
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205 len++;
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206 #endif
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207
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22
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208 if (!(line = ngx_palloc(r->pool, len))) {
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209 return NGX_ERROR;
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210 }
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211
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0
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212 p = line;
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213
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214 for (i = 0; i < log[l].ops->nelts; i++) {
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215 p = op[i].run(r, p, &op[i]);
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216 }
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217
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10
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218 #if (NGX_WIN32)
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219 *p++ = CR; *p++ = LF;
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220 WriteFile(log[l].file->fd, line, p - line, &written, NULL);
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221 #else
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222 *p++ = LF;
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223 write(log[l].file->fd, line, p - line);
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224 #endif
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225 }
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226
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227 return NGX_OK;
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228 }
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229
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230
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28
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231 static u_char *ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf,
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232 ngx_http_log_op_t *op)
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233 {
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234 size_t len;
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235 uintptr_t data;
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236
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237 len = op->len;
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238 data = op->data;
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239
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240 while (len--) {
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241 *buf++ = (u_char) (data & 0xff);
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242 data >>= 8;
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243 }
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244
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245 return buf;
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246 }
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247
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248
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249 static u_char *ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf,
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250 ngx_http_log_op_t *op)
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251 {
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252 return ngx_cpymem(buf, (u_char *) op->data, op->len);
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253 }
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254
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255
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0
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256 static u_char *ngx_http_log_addr(ngx_http_request_t *r, u_char *buf,
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28
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257 ngx_http_log_op_t *op)
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0
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258 {
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259 return ngx_cpymem(buf, r->connection->addr_text.data,
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260 r->connection->addr_text.len);
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261 }
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262
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263
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264 static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
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28
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265 ngx_http_log_op_t *op)
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0
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266 {
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4
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267 return ngx_sprintf(buf, "%ui", r->connection->number);
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0
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268 }
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269
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270
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271 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf,
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28
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272 ngx_http_log_op_t *op)
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0
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273 {
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274 if (r->pipeline) {
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275 *buf = 'p';
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276 } else {
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277 *buf = '.';
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278 }
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279
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280 return buf + 1;
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281 }
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282
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283
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284 static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf,
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28
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285 ngx_http_log_op_t *op)
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0
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286 {
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287 return ngx_cpymem(buf, ngx_cached_http_log_time.data,
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288 ngx_cached_http_log_time.len);
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289 }
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290
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291
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292 static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf,
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28
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293 ngx_http_log_op_t *op)
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0
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294 {
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295 struct timeval tv;
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296
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297 ngx_gettimeofday(&tv);
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298
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4
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299 return ngx_sprintf(buf, "%l.%03l", tv.tv_sec, tv.tv_usec / 1000);
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0
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300 }
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301
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302
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28
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303 static size_t ngx_http_log_request_getlen(ngx_http_request_t *r,
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304 uintptr_t data)
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0
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305 {
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28
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306 return r->request_line.len;
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307 }
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308
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0
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309
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28
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310 static u_char *ngx_http_log_request(ngx_http_request_t *r, u_char *buf,
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311 ngx_http_log_op_t *op)
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312 {
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0
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313 return ngx_cpymem(buf, r->request_line.data, r->request_line.len);
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314 }
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315
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316
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317 static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf,
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28
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318 ngx_http_log_op_t *op)
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0
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319 {
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4
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320 return ngx_sprintf(buf, "%ui",
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321 r->err_status ? r->err_status : r->headers_out.status);
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0
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322 }
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323
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324
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325 static u_char *ngx_http_log_length(ngx_http_request_t *r, u_char *buf,
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28
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326 ngx_http_log_op_t *op)
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0
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327 {
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4
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328 return ngx_sprintf(buf, "%O", r->connection->sent);
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0
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329 }
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330
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331
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332 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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333 ngx_http_log_op_t *op)
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0
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334 {
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4
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335 return ngx_sprintf(buf, "%O", r->connection->sent - r->header_size);
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0
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336 }
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337
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338
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24
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339 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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340 ngx_http_log_op_t *op)
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24
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341 {
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26
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342 return ngx_sprintf(buf, "%z", r->request_length);
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24
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343 }
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344
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345
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28
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346 static ngx_int_t ngx_http_log_header_in_compile(ngx_http_log_op_t *op,
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347 ngx_str_t *value)
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348 {
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349 ngx_uint_t i;
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350
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351 op->len = 0;
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352
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353 for (i = 0; ngx_http_headers_in[i].name.len != 0; i++) {
|
|
|
354
|
|
|
355 if (ngx_http_headers_in[i].name.len != value->len) {
|
|
|
356 continue;
|
|
|
357 }
|
|
|
358
|
|
|
359 if (ngx_strncasecmp(ngx_http_headers_in[i].name.data, value->data,
|
|
|
360 value->len) == 0)
|
|
|
361 {
|
|
|
362 op->getlen = ngx_http_log_header_in_getlen;
|
|
|
363 op->run = ngx_http_log_header_in;
|
|
|
364 op->data = ngx_http_headers_in[i].offset;
|
|
|
365
|
|
|
366 return NGX_OK;
|
|
|
367 }
|
|
|
368 }
|
|
|
369
|
|
|
370 op->getlen = ngx_http_log_unknown_header_in_getlen;
|
|
|
371 op->run = ngx_http_log_unknown_header_in;
|
|
|
372 op->data = (uintptr_t) value;
|
|
|
373
|
|
|
374 return NGX_OK;
|
|
|
375 }
|
|
|
376
|
|
|
377
|
|
|
378 static size_t ngx_http_log_header_in_getlen(ngx_http_request_t *r,
|
|
|
379 uintptr_t data)
|
|
|
380 {
|
|
|
381 ngx_table_elt_t *h;
|
|
|
382
|
|
|
383 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + data);
|
|
|
384
|
|
|
385 if (h) {
|
|
|
386 return h->value.len;
|
|
|
387 }
|
|
|
388
|
|
|
389 return 1;
|
|
|
390 }
|
|
|
391
|
|
|
392
|
|
0
|
393 static u_char *ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
|
|
28
|
394 ngx_http_log_op_t *op)
|
|
0
|
395 {
|
|
28
|
396 ngx_table_elt_t *h;
|
|
|
397
|
|
|
398 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + op->data);
|
|
|
399
|
|
|
400 if (h) {
|
|
|
401 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
402 }
|
|
|
403
|
|
|
404 *buf = '-';
|
|
|
405
|
|
|
406 return buf + 1;
|
|
|
407 }
|
|
|
408
|
|
|
409
|
|
|
410 static size_t ngx_http_log_unknown_header_in_getlen(ngx_http_request_t *r,
|
|
|
411 uintptr_t data)
|
|
|
412 {
|
|
|
413 ngx_table_elt_t *h;
|
|
|
414
|
|
|
415 h = ngx_http_log_unknown_header(&r->headers_in.headers, (ngx_str_t *) data);
|
|
|
416
|
|
|
417 if (h) {
|
|
|
418 return h->value.len;
|
|
|
419 }
|
|
|
420
|
|
|
421 return 1;
|
|
|
422 }
|
|
|
423
|
|
|
424
|
|
|
425 static u_char *ngx_http_log_unknown_header_in(ngx_http_request_t *r,
|
|
|
426 u_char *buf,
|
|
|
427 ngx_http_log_op_t *op)
|
|
|
428 {
|
|
|
429 ngx_table_elt_t *h;
|
|
|
430
|
|
|
431 h = ngx_http_log_unknown_header(&r->headers_in.headers,
|
|
|
432 (ngx_str_t *) op->data);
|
|
|
433
|
|
|
434 if (h) {
|
|
|
435 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
436 }
|
|
|
437
|
|
|
438 *buf = '-';
|
|
|
439
|
|
|
440 return buf + 1;
|
|
|
441 }
|
|
|
442
|
|
|
443
|
|
|
444 static ngx_int_t ngx_http_log_header_out_compile(ngx_http_log_op_t *op,
|
|
|
445 ngx_str_t *value)
|
|
|
446 {
|
|
|
447 ngx_uint_t i;
|
|
|
448
|
|
|
449 op->len = 0;
|
|
|
450
|
|
|
451 for (i = 0; ngx_http_headers_out[i].name.len != 0; i++) {
|
|
|
452
|
|
|
453 if (ngx_http_headers_out[i].name.len != value->len) {
|
|
|
454 continue;
|
|
|
455 }
|
|
0
|
456
|
|
28
|
457 if (ngx_strncasecmp(ngx_http_headers_out[i].name.data, value->data,
|
|
|
458 value->len) == 0)
|
|
|
459 {
|
|
|
460 op->getlen = ngx_http_log_header_out_getlen;
|
|
|
461 op->run = ngx_http_log_header_out;
|
|
|
462 op->data = ngx_http_headers_out[i].offset;
|
|
|
463
|
|
|
464 return NGX_OK;
|
|
|
465 }
|
|
|
466 }
|
|
|
467
|
|
|
468 if (value->len == sizeof("Connection") - 1
|
|
|
469 && ngx_strncasecmp(value->data, "Connection", value->len) == 0)
|
|
|
470 {
|
|
|
471 op->len = sizeof("keep-alive") - 1;
|
|
|
472 op->getlen = NULL;
|
|
|
473 op->run = ngx_http_log_connection_header_out;
|
|
|
474 op->data = 0;
|
|
|
475 return NGX_OK;
|
|
|
476 }
|
|
0
|
477
|
|
28
|
478 if (value->len == sizeof("Transfer-Encoding") - 1
|
|
|
479 && ngx_strncasecmp(value->data, "Transfer-Encoding", value->len) == 0)
|
|
|
480 {
|
|
|
481 op->len = sizeof("chunked") - 1;
|
|
|
482 op->getlen = NULL;
|
|
|
483 op->run = ngx_http_log_transfer_encoding_header_out;
|
|
|
484 op->data = 0;
|
|
|
485 return NGX_OK;
|
|
|
486 }
|
|
|
487
|
|
|
488 op->getlen = ngx_http_log_unknown_header_out_getlen;
|
|
|
489 op->run = ngx_http_log_unknown_header_out;
|
|
|
490 op->data = (uintptr_t) value;
|
|
|
491
|
|
|
492 return NGX_OK;
|
|
|
493 }
|
|
|
494
|
|
|
495
|
|
|
496 static size_t ngx_http_log_header_out_getlen(ngx_http_request_t *r,
|
|
|
497 uintptr_t data)
|
|
|
498 {
|
|
|
499 ngx_table_elt_t *h;
|
|
|
500
|
|
|
501 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + data);
|
|
|
502
|
|
|
503 if (h) {
|
|
|
504 return h->value.len;
|
|
|
505 }
|
|
|
506
|
|
|
507 /*
|
|
|
508 * No header pointer was found.
|
|
|
509 * However, some headers: "Date", "Server", "Content-Length",
|
|
|
510 * and "Last-Modified" have a special handling in the header filter
|
|
|
511 * but we do not set up their pointers in the filter because
|
|
|
512 * they are too seldom needed to be logged.
|
|
|
513 */
|
|
0
|
514
|
|
28
|
515 if (data == offsetof(ngx_http_headers_out_t, date)) {
|
|
|
516 return ngx_cached_http_time.len;
|
|
|
517 }
|
|
|
518
|
|
|
519 if (data == offsetof(ngx_http_headers_out_t, server)) {
|
|
|
520 return (sizeof(NGINX_VER) - 1);
|
|
|
521 }
|
|
|
522
|
|
|
523 if (data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
|
524 if (r->headers_out.content_length_n == -1) {
|
|
|
525 return 1;
|
|
|
526 }
|
|
|
527
|
|
|
528 return NGX_OFF_T_LEN;
|
|
|
529 }
|
|
|
530
|
|
|
531 if (data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
|
532 if (r->headers_out.last_modified_time == -1) {
|
|
|
533 return 1;
|
|
|
534 }
|
|
|
535
|
|
|
536 return sizeof("Mon, 28 Sep 1970 06:00:00 GMT") - 1;
|
|
|
537 }
|
|
|
538
|
|
|
539 return 1;
|
|
|
540 }
|
|
|
541
|
|
0
|
542
|
|
28
|
543 static u_char *ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
544 ngx_http_log_op_t *op)
|
|
|
545 {
|
|
|
546 ngx_table_elt_t *h;
|
|
|
547
|
|
|
548 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + op->data);
|
|
|
549
|
|
|
550 if (h) {
|
|
|
551 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
552 }
|
|
|
553
|
|
|
554 /*
|
|
|
555 * No header pointer was found.
|
|
|
556 * However, some headers: "Date", "Server", "Content-Length",
|
|
|
557 * and "Last-Modified" have a special handling in the header filter
|
|
|
558 * but we do not set up their pointers in the filter because
|
|
|
559 * they are too seldom needed to be logged.
|
|
|
560 */
|
|
|
561
|
|
|
562 if (op->data == offsetof(ngx_http_headers_out_t, date)) {
|
|
|
563 return ngx_cpymem(buf, ngx_cached_http_time.data,
|
|
|
564 ngx_cached_http_time.len);
|
|
|
565 }
|
|
|
566
|
|
|
567 if (op->data == offsetof(ngx_http_headers_out_t, server)) {
|
|
|
568 return ngx_cpymem(buf, NGINX_VER, sizeof(NGINX_VER) - 1);
|
|
|
569 }
|
|
|
570
|
|
|
571 if (op->data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
|
572 if (r->headers_out.content_length_n == -1) {
|
|
|
573 *buf = '-';
|
|
0
|
574
|
|
|
575 return buf + 1;
|
|
|
576 }
|
|
|
577
|
|
28
|
578 return ngx_sprintf(buf, "%O", r->headers_out.content_length_n);
|
|
|
579 }
|
|
|
580
|
|
|
581 if (op->data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
|
582 if (r->headers_out.last_modified_time == -1) {
|
|
|
583 *buf = '-';
|
|
|
584
|
|
|
585 return buf + 1;
|
|
0
|
586 }
|
|
|
587
|
|
28
|
588 return ngx_http_time(buf, r->headers_out.last_modified_time);
|
|
|
589 }
|
|
|
590
|
|
|
591 *buf = '-';
|
|
|
592
|
|
|
593 return buf + 1;
|
|
|
594 }
|
|
|
595
|
|
|
596
|
|
|
597 static size_t ngx_http_log_unknown_header_out_getlen(ngx_http_request_t *r,
|
|
|
598 uintptr_t data)
|
|
|
599 {
|
|
|
600 ngx_table_elt_t *h;
|
|
|
601
|
|
|
602 h = ngx_http_log_unknown_header(&r->headers_out.headers,
|
|
|
603 (ngx_str_t *) data);
|
|
|
604
|
|
|
605 if (h) {
|
|
|
606 return h->value.len;
|
|
|
607 }
|
|
|
608
|
|
|
609 return 1;
|
|
|
610 }
|
|
|
611
|
|
|
612
|
|
|
613 static u_char *ngx_http_log_unknown_header_out(ngx_http_request_t *r,
|
|
|
614 u_char *buf,
|
|
|
615 ngx_http_log_op_t *op)
|
|
|
616 {
|
|
|
617 ngx_table_elt_t *h;
|
|
|
618
|
|
|
619 h = ngx_http_log_unknown_header(&r->headers_out.headers,
|
|
|
620 (ngx_str_t *) op->data);
|
|
|
621
|
|
|
622 if (h) {
|
|
0
|
623 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
624 }
|
|
|
625
|
|
28
|
626 *buf = '-';
|
|
0
|
627
|
|
28
|
628 return buf + 1;
|
|
0
|
629 }
|
|
|
630
|
|
|
631
|
|
28
|
632 static ngx_table_elt_t *ngx_http_log_unknown_header(ngx_list_t *headers,
|
|
|
633 ngx_str_t *value)
|
|
0
|
634 {
|
|
|
635 ngx_uint_t i;
|
|
|
636 ngx_list_part_t *part;
|
|
|
637 ngx_table_elt_t *h;
|
|
|
638
|
|
28
|
639 part = &headers->part;
|
|
0
|
640 h = part->elts;
|
|
|
641
|
|
|
642 for (i = 0; /* void */; i++) {
|
|
|
643
|
|
|
644 if (i >= part->nelts) {
|
|
|
645 if (part->next == NULL) {
|
|
|
646 break;
|
|
|
647 }
|
|
|
648
|
|
|
649 part = part->next;
|
|
|
650 h = part->elts;
|
|
|
651 i = 0;
|
|
|
652 }
|
|
|
653
|
|
28
|
654 if (h[i].key.len != value->len) {
|
|
0
|
655 continue;
|
|
|
656 }
|
|
|
657
|
|
28
|
658 if (ngx_strncasecmp(h[i].key.data, value->data, value->len) == 0) {
|
|
|
659 return &h[i];
|
|
0
|
660 }
|
|
|
661 }
|
|
|
662
|
|
|
663 return NULL;
|
|
|
664 }
|
|
|
665
|
|
|
666
|
|
|
667 static u_char *ngx_http_log_connection_header_out(ngx_http_request_t *r,
|
|
28
|
668 u_char *buf,
|
|
|
669 ngx_http_log_op_t *op)
|
|
0
|
670 {
|
|
|
671 if (r->keepalive) {
|
|
|
672 return ngx_cpymem(buf, "keep-alive", sizeof("keep-alive") - 1);
|
|
|
673
|
|
|
674 } else {
|
|
|
675 return ngx_cpymem(buf, "close", sizeof("close") - 1);
|
|
|
676 }
|
|
|
677 }
|
|
|
678
|
|
|
679
|
|
|
680 static u_char *ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r,
|
|
|
681 u_char *buf,
|
|
28
|
682 ngx_http_log_op_t *op)
|
|
0
|
683 {
|
|
|
684 if (r->chunked) {
|
|
|
685 return ngx_cpymem(buf, "chunked", sizeof("chunked") - 1);
|
|
|
686 }
|
|
|
687
|
|
|
688 *buf = '-';
|
|
|
689
|
|
|
690 return buf + 1;
|
|
|
691 }
|
|
|
692
|
|
|
693
|
|
28
|
694 static ngx_int_t ngx_http_log_set_formats(ngx_conf_t *cf)
|
|
0
|
695 {
|
|
|
696 ngx_http_log_op_name_t *op;
|
|
|
697
|
|
|
698 for (op = ngx_http_log_fmt_ops; op->name.len; op++) { /* void */ }
|
|
28
|
699 op->run = NULL;
|
|
0
|
700
|
|
|
701 return NGX_OK;
|
|
|
702 }
|
|
|
703
|
|
|
704
|
|
|
705 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf)
|
|
|
706 {
|
|
|
707 ngx_http_log_main_conf_t *conf;
|
|
|
708
|
|
|
709 char *rc;
|
|
|
710 ngx_str_t *value;
|
|
|
711
|
|
|
712 if (!(conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t)))) {
|
|
|
713 return NGX_CONF_ERROR;
|
|
|
714 }
|
|
|
715
|
|
|
716 ngx_init_array(conf->formats, cf->pool, 5, sizeof(ngx_http_log_fmt_t),
|
|
|
717 NGX_CONF_ERROR);
|
|
|
718
|
|
|
719 cf->args->nelts = 0;
|
|
|
720
|
|
|
721 if (!(value = ngx_push_array(cf->args))) {
|
|
|
722 return NGX_CONF_ERROR;
|
|
|
723 }
|
|
|
724
|
|
|
725 if (!(value = ngx_push_array(cf->args))) {
|
|
|
726 return NGX_CONF_ERROR;
|
|
|
727 }
|
|
|
728
|
|
|
729 value->len = sizeof("combined") - 1;
|
|
|
730 value->data = (u_char *) "combined";
|
|
|
731
|
|
|
732 if (!(value = ngx_push_array(cf->args))) {
|
|
|
733 return NGX_CONF_ERROR;
|
|
|
734 }
|
|
|
735
|
|
|
736 *value = ngx_http_combined_fmt;
|
|
|
737
|
|
|
738 rc = ngx_http_log_set_format(cf, NULL, conf);
|
|
|
739 if (rc != NGX_CONF_OK) {
|
|
|
740 return NULL;
|
|
|
741 }
|
|
|
742
|
|
|
743 return conf;
|
|
|
744 }
|
|
|
745
|
|
|
746
|
|
|
747 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf)
|
|
|
748 {
|
|
|
749 ngx_http_log_loc_conf_t *conf;
|
|
|
750
|
|
|
751 if (!(conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t)))) {
|
|
|
752 return NGX_CONF_ERROR;
|
|
|
753 }
|
|
|
754
|
|
|
755 return conf;
|
|
|
756 }
|
|
|
757
|
|
|
758
|
|
|
759 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
|
|
|
760 void *child)
|
|
|
761 {
|
|
|
762 ngx_http_log_loc_conf_t *prev = parent;
|
|
|
763 ngx_http_log_loc_conf_t *conf = child;
|
|
|
764
|
|
|
765 ngx_http_log_t *log;
|
|
|
766 ngx_http_log_fmt_t *fmt;
|
|
|
767 ngx_http_log_main_conf_t *lmcf;
|
|
|
768
|
|
|
769 if (conf->logs == NULL) {
|
|
|
770
|
|
|
771 if (conf->off) {
|
|
|
772 return NGX_CONF_OK;
|
|
|
773 }
|
|
|
774
|
|
|
775 if (prev->logs) {
|
|
|
776 conf->logs = prev->logs;
|
|
|
777
|
|
|
778 } else {
|
|
|
779
|
|
|
780 if (prev->off) {
|
|
|
781 conf->off = prev->off;
|
|
|
782 return NGX_CONF_OK;
|
|
|
783 }
|
|
|
784
|
|
|
785 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
786 if (conf->logs == NULL) {
|
|
|
787 return NGX_CONF_ERROR;
|
|
|
788 }
|
|
|
789
|
|
|
790 if (!(log = ngx_array_push(conf->logs))) {
|
|
|
791 return NGX_CONF_ERROR;
|
|
|
792 }
|
|
|
793
|
|
|
794 log->file = ngx_conf_open_file(cf->cycle, &http_access_log);
|
|
|
795 if (log->file == NULL) {
|
|
|
796 return NGX_CONF_ERROR;
|
|
|
797 }
|
|
|
798
|
|
|
799 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
800 fmt = lmcf->formats.elts;
|
|
|
801
|
|
|
802 /* the default "combined" format */
|
|
|
803 log->ops = fmt[0].ops;
|
|
|
804 }
|
|
|
805 }
|
|
|
806
|
|
|
807 return NGX_CONF_OK;
|
|
|
808 }
|
|
|
809
|
|
|
810
|
|
|
811 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
812 void *conf)
|
|
|
813 {
|
|
|
814 ngx_http_log_loc_conf_t *llcf = conf;
|
|
|
815
|
|
|
816 ngx_uint_t i;
|
|
|
817 ngx_str_t *value, name;
|
|
|
818 ngx_http_log_t *log;
|
|
|
819 ngx_http_log_fmt_t *fmt;
|
|
|
820 ngx_http_log_main_conf_t *lmcf;
|
|
|
821
|
|
|
822 value = cf->args->elts;
|
|
|
823
|
|
|
824 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
825 llcf->off = 1;
|
|
|
826 return NGX_CONF_OK;
|
|
|
827 }
|
|
|
828
|
|
|
829 if (llcf->logs == NULL) {
|
|
|
830 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
831 if (llcf->logs == NULL) {
|
|
|
832 return NGX_CONF_ERROR;
|
|
|
833 }
|
|
|
834 }
|
|
|
835
|
|
|
836 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
837
|
|
|
838 if (!(log = ngx_array_push(llcf->logs))) {
|
|
|
839 return NGX_CONF_ERROR;
|
|
|
840 }
|
|
|
841
|
|
|
842 if (!(log->file = ngx_conf_open_file(cf->cycle, &value[1]))) {
|
|
|
843 return NGX_CONF_ERROR;
|
|
|
844 }
|
|
|
845
|
|
|
846 if (cf->args->nelts == 3) {
|
|
|
847 name = value[2];
|
|
|
848 } else {
|
|
|
849 name.len = sizeof("combined") - 1;
|
|
|
850 name.data = (u_char *) "combined";
|
|
|
851 }
|
|
|
852
|
|
|
853 fmt = lmcf->formats.elts;
|
|
|
854 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
855 if (fmt[i].name.len == name.len
|
|
|
856 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0)
|
|
|
857 {
|
|
|
858 log->ops = fmt[i].ops;
|
|
|
859 return NGX_CONF_OK;
|
|
|
860 }
|
|
|
861 }
|
|
|
862
|
|
36
|
863 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
864 "unknown log format \"%V\"", &name);
|
|
|
865
|
|
|
866 return NGX_CONF_ERROR;
|
|
0
|
867 }
|
|
|
868
|
|
|
869
|
|
|
870 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
871 void *conf)
|
|
|
872 {
|
|
|
873 ngx_http_log_main_conf_t *lmcf = conf;
|
|
|
874
|
|
|
875 ngx_uint_t s, f, invalid;
|
|
|
876 u_char *data, *p, *fname;
|
|
|
877 size_t i, len, fname_len;
|
|
|
878 ngx_str_t *value, arg, *a;
|
|
|
879 ngx_http_log_op_t *op;
|
|
|
880 ngx_http_log_fmt_t *fmt;
|
|
|
881 ngx_http_log_op_name_t *name;
|
|
|
882
|
|
|
883 value = cf->args->elts;
|
|
|
884
|
|
|
885 fmt = lmcf->formats.elts;
|
|
|
886 for (f = 0; f < lmcf->formats.nelts; f++) {
|
|
|
887 if (fmt[f].name.len == value[1].len
|
|
|
888 && ngx_strcmp(fmt->name.data, value[1].data) == 0)
|
|
|
889 {
|
|
|
890 return "duplicate \"log_format\" name";
|
|
|
891 }
|
|
|
892 }
|
|
|
893
|
|
|
894 if (!(fmt = ngx_push_array(&lmcf->formats))) {
|
|
|
895 return NGX_CONF_ERROR;
|
|
|
896 }
|
|
|
897
|
|
|
898 fmt->name = value[1];
|
|
|
899
|
|
34
|
900 if (!(fmt->ops = ngx_array_create(cf->pool, 20, sizeof(ngx_http_log_op_t))))
|
|
|
901 {
|
|
0
|
902 return NGX_CONF_ERROR;
|
|
|
903 }
|
|
|
904
|
|
|
905 invalid = 0;
|
|
|
906 data = NULL;
|
|
|
907
|
|
|
908 for (s = 2; s < cf->args->nelts && !invalid; s++) {
|
|
|
909
|
|
|
910 i = 0;
|
|
|
911
|
|
|
912 while (i < value[s].len) {
|
|
|
913
|
|
|
914 if (!(op = ngx_push_array(fmt->ops))) {
|
|
|
915 return NGX_CONF_ERROR;
|
|
|
916 }
|
|
|
917
|
|
|
918 data = &value[s].data[i];
|
|
|
919
|
|
|
920 if (value[s].data[i] == '%') {
|
|
|
921 i++;
|
|
|
922
|
|
|
923 if (i == value[s].len) {
|
|
|
924 invalid = 1;
|
|
|
925 break;
|
|
|
926 }
|
|
|
927
|
|
|
928 if (value[s].data[i] == '{') {
|
|
|
929 i++;
|
|
|
930
|
|
|
931 arg.data = &value[s].data[i];
|
|
|
932
|
|
|
933 while (i < value[s].len && value[s].data[i] != '}') {
|
|
|
934 i++;
|
|
|
935 }
|
|
|
936
|
|
|
937 arg.len = &value[s].data[i] - arg.data;
|
|
|
938
|
|
|
939 if (i == value[s].len || arg.len == 0) {
|
|
|
940 invalid = 1;
|
|
|
941 break;
|
|
|
942 }
|
|
|
943
|
|
|
944 i++;
|
|
|
945
|
|
|
946 } else {
|
|
|
947 arg.len = 0;
|
|
|
948 }
|
|
|
949
|
|
|
950 fname = &value[s].data[i];
|
|
|
951
|
|
|
952 while (i < value[s].len
|
|
|
953 && ((value[s].data[i] >= 'a' && value[s].data[i] <= 'z')
|
|
|
954 || value[s].data[i] == '_'))
|
|
|
955 {
|
|
|
956 i++;
|
|
|
957 }
|
|
|
958
|
|
|
959 fname_len = &value[s].data[i] - fname;
|
|
|
960
|
|
|
961 if (fname_len == 0) {
|
|
|
962 invalid = 1;
|
|
|
963 break;
|
|
|
964 }
|
|
|
965
|
|
28
|
966 for (name = ngx_http_log_fmt_ops; name->run; name++) {
|
|
0
|
967 if (name->name.len == 0) {
|
|
28
|
968 name = (ngx_http_log_op_name_t *) name->run;
|
|
0
|
969 }
|
|
|
970
|
|
|
971 if (name->name.len == fname_len
|
|
|
972 && ngx_strncmp(name->name.data, fname, fname_len) == 0)
|
|
|
973 {
|
|
28
|
974 if (name->compile == NULL) {
|
|
0
|
975 if (arg.len) {
|
|
|
976 fname[fname_len] = '\0';
|
|
|
977 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
978 "\"%s\" must not have argument",
|
|
|
979 data);
|
|
|
980 return NGX_CONF_ERROR;
|
|
|
981 }
|
|
|
982
|
|
|
983 op->len = name->len;
|
|
28
|
984 op->getlen = name->getlen;
|
|
|
985 op->run = name->run;
|
|
0
|
986 op->data = 0;
|
|
|
987
|
|
|
988 break;
|
|
|
989 }
|
|
|
990
|
|
|
991 if (arg.len == 0) {
|
|
|
992 fname[fname_len] = '\0';
|
|
|
993 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
994 "\"%s\" requires argument",
|
|
|
995 data);
|
|
|
996 return NGX_CONF_ERROR;
|
|
|
997 }
|
|
|
998
|
|
|
999 if (!(a = ngx_palloc(cf->pool, sizeof(ngx_str_t)))) {
|
|
|
1000 return NGX_CONF_ERROR;
|
|
|
1001 }
|
|
|
1002
|
|
|
1003 *a = arg;
|
|
28
|
1004 if (name->compile(op, a) == NGX_ERROR) {
|
|
|
1005 return NGX_CONF_ERROR;
|
|
|
1006 }
|
|
0
|
1007
|
|
|
1008 break;
|
|
|
1009 }
|
|
|
1010 }
|
|
|
1011
|
|
|
1012 if (name->name.len == 0) {
|
|
|
1013 invalid = 1;
|
|
|
1014 break;
|
|
|
1015 }
|
|
|
1016
|
|
|
1017 } else {
|
|
|
1018 i++;
|
|
|
1019
|
|
|
1020 while (i < value[s].len && value[s].data[i] != '%') {
|
|
|
1021 i++;
|
|
|
1022 }
|
|
|
1023
|
|
|
1024 len = &value[s].data[i] - data;
|
|
|
1025
|
|
|
1026 if (len) {
|
|
|
1027
|
|
|
1028 op->len = len;
|
|
28
|
1029 op->getlen = NULL;
|
|
0
|
1030
|
|
|
1031 if (len <= sizeof(uintptr_t)) {
|
|
28
|
1032 op->run = ngx_http_log_copy_short;
|
|
0
|
1033 op->data = 0;
|
|
|
1034
|
|
|
1035 while (len--) {
|
|
|
1036 op->data <<= 8;
|
|
|
1037 op->data |= data[len];
|
|
|
1038 }
|
|
|
1039
|
|
|
1040 } else {
|
|
28
|
1041 op->run = ngx_http_log_copy_long;
|
|
0
|
1042
|
|
|
1043 if (!(p = ngx_palloc(cf->pool, len))) {
|
|
|
1044 return NGX_CONF_ERROR;
|
|
|
1045 }
|
|
|
1046
|
|
|
1047 ngx_memcpy(p, data, len);
|
|
|
1048 op->data = (uintptr_t) p;
|
|
|
1049 }
|
|
|
1050 }
|
|
|
1051 }
|
|
|
1052 }
|
|
|
1053 }
|
|
|
1054
|
|
|
1055 if (invalid) {
|
|
|
1056 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1057 "invalid parameter \"%s\"", data);
|
|
|
1058 return NGX_CONF_ERROR;
|
|
|
1059 }
|
|
|
1060
|
|
|
1061 return NGX_CONF_OK;
|
|
|
1062 }
|
