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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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14 uintptr_t data);
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15 static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
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16 uintptr_t data);
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17 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf,
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18 uintptr_t data);
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19 static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf,
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20 uintptr_t data);
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21 static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf,
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22 uintptr_t data);
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23 static u_char *ngx_http_log_request(ngx_http_request_t *r, u_char *buf,
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24 uintptr_t data);
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25 static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf,
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26 uintptr_t data);
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27 static u_char *ngx_http_log_length(ngx_http_request_t *r, u_char *buf,
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28 uintptr_t data);
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29 static u_char *ngx_http_log_apache_length(ngx_http_request_t *r, u_char *buf,
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30 uintptr_t data);
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24
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31 static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
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32 uintptr_t data);
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0
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33 static u_char *ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
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34 uintptr_t data);
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35 static u_char *ngx_http_log_connection_header_out(ngx_http_request_t *r,
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36 u_char *buf, uintptr_t data);
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37 static u_char *ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r,
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38 u_char *buf,
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39 uintptr_t data);
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40 static u_char *ngx_http_log_unknown_header_in(ngx_http_request_t *r,
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41 u_char *buf, uintptr_t data);
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42 static u_char *ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
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43 uintptr_t data);
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44 static u_char *ngx_http_log_unknown_header_out(ngx_http_request_t *r, u_char *buf,
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45 uintptr_t data);
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46
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47 static ngx_int_t ngx_http_log_pre_conf(ngx_conf_t *cf);
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48 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf);
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49 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf);
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50 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
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51 void *child);
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52 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
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53 void *conf);
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54 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
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55 void *conf);
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56 static ngx_int_t ngx_http_log_parse_format(ngx_conf_t *cf, ngx_array_t *ops,
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57 ngx_str_t *line);
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58
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59
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60 static ngx_command_t ngx_http_log_commands[] = {
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61
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62 {ngx_string("log_format"),
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63 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE,
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64 ngx_http_log_set_format,
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65 NGX_HTTP_MAIN_CONF_OFFSET,
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66 0,
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67 NULL},
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68
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69 {ngx_string("access_log"),
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70 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
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71 ngx_http_log_set_log,
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72 NGX_HTTP_LOC_CONF_OFFSET,
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73 0,
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74 NULL},
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75
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76 ngx_null_command
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77 };
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78
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79
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80 ngx_http_module_t ngx_http_log_module_ctx = {
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81 ngx_http_log_pre_conf, /* pre conf */
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82
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83 ngx_http_log_create_main_conf, /* create main configuration */
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84 NULL, /* init main configuration */
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85
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86 NULL, /* create server configuration */
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87 NULL, /* merge server configuration */
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88
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89 ngx_http_log_create_loc_conf, /* create location configration */
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90 ngx_http_log_merge_loc_conf /* merge location configration */
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91 };
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92
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93
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94 ngx_module_t ngx_http_log_module = {
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95 NGX_MODULE,
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96 &ngx_http_log_module_ctx, /* module context */
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97 ngx_http_log_commands, /* module directives */
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98 NGX_HTTP_MODULE, /* module type */
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99 NULL, /* init module */
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100 NULL /* init child */
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101 };
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102
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103
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104 static ngx_str_t http_access_log = ngx_string(NGX_HTTP_LOG_PATH);
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105
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106
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107 static ngx_str_t ngx_http_combined_fmt =
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108 ngx_string("%addr - - [%time] \"%request\" %status %apache_length "
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109 "\"%{Referer}i\" \"%{User-Agent}i\"");
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110
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111
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112 ngx_http_log_op_name_t ngx_http_log_fmt_ops[] = {
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113 { ngx_string("addr"), INET_ADDRSTRLEN - 1, ngx_http_log_addr },
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114 { ngx_string("conn"), NGX_INT32_LEN, ngx_http_log_connection },
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115 { ngx_string("pipe"), 1, ngx_http_log_pipe },
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116 { ngx_string("time"), sizeof("28/Sep/1970:12:00:00") - 1,
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117 ngx_http_log_time },
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118 { ngx_string("msec"), TIME_T_LEN + 4, ngx_http_log_msec },
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119 { ngx_string("request"), 0, ngx_http_log_request },
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120 { ngx_string("status"), 3, ngx_http_log_status },
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121 { ngx_string("length"), NGX_OFF_T_LEN, ngx_http_log_length },
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122 { ngx_string("apache_length"), NGX_OFF_T_LEN, ngx_http_log_apache_length },
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24
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123 { ngx_string("request_length"), NGX_OFF_T_LEN,
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124 ngx_http_log_request_length },
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0
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125 { ngx_string("i"), NGX_HTTP_LOG_ARG, ngx_http_log_header_in },
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126 { ngx_string("o"), NGX_HTTP_LOG_ARG, ngx_http_log_header_out },
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127 { ngx_null_string, 0, NULL }
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128 };
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129
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130
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131 ngx_int_t ngx_http_log_handler(ngx_http_request_t *r)
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132 {
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133 ngx_uint_t i, l;
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134 uintptr_t data;
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135 u_char *line, *p;
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136 size_t len;
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137 ngx_http_log_t *log;
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138 ngx_http_log_op_t *op;
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139 ngx_http_log_loc_conf_t *lcf;
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10
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140 #if (NGX_WIN32)
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0
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141 u_long written;
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142 #endif
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143
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144 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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145 "http log handler");
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146
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147 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module);
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148
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149 if (lcf->off) {
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150 return NGX_OK;
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151 }
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152
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153 log = lcf->logs->elts;
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154 for (l = 0; l < lcf->logs->nelts; l++) {
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155
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156 len = 0;
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157 op = log[l].ops->elts;
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158 for (i = 0; i < log[l].ops->nelts; i++) {
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159 if (op[i].len == 0) {
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160 len += (size_t) op[i].op(r, NULL, op[i].data);
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161
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162 } else {
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163 len += op[i].len;
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164 }
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165 }
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166
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10
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167 #if (NGX_WIN32)
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0
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168 len += 2;
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169 #else
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170 len++;
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171 #endif
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172
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22
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173 if (!(line = ngx_palloc(r->pool, len))) {
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174 return NGX_ERROR;
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175 }
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176
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0
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177 p = line;
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178
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179 for (i = 0; i < log[l].ops->nelts; i++) {
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180 if (op[i].op == NGX_HTTP_LOG_COPY_SHORT) {
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181 len = op[i].len;
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182 data = op[i].data;
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183 while (len--) {
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184 *p++ = (char) (data & 0xff);
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185 data >>= 8;
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186 }
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187
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188 } else if (op[i].op == NGX_HTTP_LOG_COPY_LONG) {
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189 p = ngx_cpymem(p, (void *) op[i].data, op[i].len);
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190
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191 } else {
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192 p = op[i].op(r, p, op[i].data);
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193 }
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194 }
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195
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10
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196 #if (NGX_WIN32)
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197 *p++ = CR; *p++ = LF;
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198 WriteFile(log[l].file->fd, line, p - line, &written, NULL);
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199 #else
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200 *p++ = LF;
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201 write(log[l].file->fd, line, p - line);
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202 #endif
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203 }
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204
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205 return NGX_OK;
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206 }
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207
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208
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209 static u_char *ngx_http_log_addr(ngx_http_request_t *r, u_char *buf,
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210 uintptr_t data)
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211 {
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212 return ngx_cpymem(buf, r->connection->addr_text.data,
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213 r->connection->addr_text.len);
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214 }
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215
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216
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217 static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
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218 uintptr_t data)
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219 {
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4
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220 return ngx_sprintf(buf, "%ui", r->connection->number);
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0
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221 }
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222
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223
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224 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf,
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225 uintptr_t data)
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226 {
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227 if (r->pipeline) {
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228 *buf = 'p';
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229 } else {
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230 *buf = '.';
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231 }
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232
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233 return buf + 1;
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234 }
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235
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236
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237 static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf,
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238 uintptr_t data)
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239 {
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240 return ngx_cpymem(buf, ngx_cached_http_log_time.data,
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241 ngx_cached_http_log_time.len);
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242 }
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243
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244
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245 static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf,
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246 uintptr_t data)
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247 {
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248 struct timeval tv;
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249
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250 ngx_gettimeofday(&tv);
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251
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4
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252 return ngx_sprintf(buf, "%l.%03l", tv.tv_sec, tv.tv_usec / 1000);
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0
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253 }
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254
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255
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256 static u_char *ngx_http_log_request(ngx_http_request_t *r, u_char *buf,
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257 uintptr_t data)
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258 {
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259 if (buf == NULL) {
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260 /* find the request line length */
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261 return (u_char *) r->request_line.len;
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262 }
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263
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264 return ngx_cpymem(buf, r->request_line.data, r->request_line.len);
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265 }
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266
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267
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268 static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf,
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269 uintptr_t data)
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270 {
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4
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271 return ngx_sprintf(buf, "%ui",
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272 r->err_status ? r->err_status : r->headers_out.status);
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0
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273 }
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274
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275
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276 static u_char *ngx_http_log_length(ngx_http_request_t *r, u_char *buf,
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277 uintptr_t data)
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278 {
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4
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279 return ngx_sprintf(buf, "%O", r->connection->sent);
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0
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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_apache_length(ngx_http_request_t *r, u_char *buf,
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284 uintptr_t data)
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285 {
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4
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286 return ngx_sprintf(buf, "%O", r->connection->sent - r->header_size);
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0
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287 }
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288
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289
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24
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290 static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
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291 uintptr_t data)
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292 {
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293 return ngx_sprintf(buf, "%O", r->request_length);
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294 }
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295
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296
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0
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297 static u_char *ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
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298 uintptr_t data)
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299 {
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300 ngx_uint_t i;
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301 ngx_str_t *s;
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302 ngx_table_elt_t *h;
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303 ngx_http_log_op_t *op;
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304
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305 if (r) {
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306 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + data);
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307
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308 if (h == NULL) {
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309
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310 /* no header */
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311
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312 if (buf) {
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313 *buf = '-';
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314 }
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315
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316 return buf + 1;
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317 }
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318
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319 if (buf == NULL) {
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320 /* find the header length */
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321 return (u_char *) h->value.len;
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322 }
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323
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324 return ngx_cpymem(buf, h->value.data, h->value.len);
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325 }
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326
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327 /* find an offset while a format string compilation */
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328
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329 op = (ngx_http_log_op_t *) buf;
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330 s = (ngx_str_t *) data;
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331
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332 op->len = 0;
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333
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334 for (i = 0; ngx_http_headers_in[i].name.len != 0; i++) {
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335 if (ngx_http_headers_in[i].name.len != s->len) {
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336 continue;
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337 }
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338
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339 if (ngx_strncasecmp(ngx_http_headers_in[i].name.data, s->data, s->len)
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340 == 0)
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341 {
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342 op->op = ngx_http_log_header_in;
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343 op->data = ngx_http_headers_in[i].offset;
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344 return NULL;
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345 }
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346 }
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347
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348 op->op = ngx_http_log_unknown_header_in;
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349 op->data = (uintptr_t) s;
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350
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351 return NULL;
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352 }
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353
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354
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355 static u_char *ngx_http_log_unknown_header_in(ngx_http_request_t *r,
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356 u_char *buf, uintptr_t data)
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357 {
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358 ngx_uint_t i;
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359 ngx_str_t *s;
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360 ngx_list_part_t *part;
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361 ngx_table_elt_t *h;
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362
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363 s = (ngx_str_t *) data;
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364
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365 part = &r->headers_in.headers.part;
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366 h = part->elts;
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367
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368 for (i = 0; /* void */; i++) {
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369
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370 if (i >= part->nelts) {
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371 if (part->next == NULL) {
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372 break;
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373 }
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374
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375 part = part->next;
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376 h = part->elts;
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377 i = 0;
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378 }
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379
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380 if (h[i].key.len != s->len) {
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381 continue;
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382 }
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383
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384 if (ngx_strncasecmp(h[i].key.data, s->data, s->len) == 0) {
|
|
|
385 if (buf == NULL) {
|
|
|
386 /* find the header length */
|
|
|
387 return (u_char *) h[i].value.len;
|
|
|
388 }
|
|
|
389
|
|
|
390 return ngx_cpymem(buf, h[i].value.data, h[i].value.len);
|
|
|
391 }
|
|
|
392 }
|
|
|
393
|
|
|
394 /* no header */
|
|
|
395
|
|
|
396 if (buf) {
|
|
|
397 *buf = '-';
|
|
|
398 }
|
|
|
399
|
|
|
400 return buf + 1;
|
|
|
401 }
|
|
|
402
|
|
|
403
|
|
|
404 static u_char *ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
405 uintptr_t data)
|
|
|
406 {
|
|
|
407 ngx_uint_t i;
|
|
|
408 ngx_str_t *s;
|
|
|
409 ngx_table_elt_t *h;
|
|
|
410 ngx_http_log_op_t *op;
|
|
|
411
|
|
|
412 if (r) {
|
|
|
413
|
|
|
414 /* run-time execution */
|
|
|
415
|
|
|
416 if (r->http_version < NGX_HTTP_VERSION_10) {
|
|
|
417 if (buf) {
|
|
|
418 *buf = '-';
|
|
|
419 }
|
|
|
420
|
|
|
421 return buf + 1;
|
|
|
422 }
|
|
|
423
|
|
|
424 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + data);
|
|
|
425
|
|
|
426 if (h == NULL) {
|
|
|
427
|
|
|
428 /*
|
|
|
429 * No header pointer was found.
|
|
|
430 * However, some headers: "Date", "Server", "Content-Length",
|
|
|
431 * and "Last-Modified" have a special handling in the header filter
|
|
|
432 * but we do not set up their pointers in the filter because
|
|
|
433 * they are too seldom needed to be logged.
|
|
|
434 */
|
|
|
435
|
|
|
436 if (data == offsetof(ngx_http_headers_out_t, date)) {
|
|
|
437 if (buf == NULL) {
|
|
|
438 return (u_char *) ngx_cached_http_time.len;
|
|
|
439 }
|
|
|
440 return ngx_cpymem(buf, ngx_cached_http_time.data,
|
|
|
441 ngx_cached_http_time.len);
|
|
|
442 }
|
|
|
443
|
|
|
444 if (data == offsetof(ngx_http_headers_out_t, server)) {
|
|
|
445 if (buf == NULL) {
|
|
|
446 return (u_char *) (sizeof(NGINX_VER) - 1);
|
|
|
447 }
|
|
|
448 return ngx_cpymem(buf, NGINX_VER, sizeof(NGINX_VER) - 1);
|
|
|
449 }
|
|
|
450
|
|
|
451 if (data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
|
452 if (r->headers_out.content_length_n == -1) {
|
|
|
453 if (buf) {
|
|
|
454 *buf = '-';
|
|
|
455 }
|
|
|
456 return buf + 1;
|
|
|
457 }
|
|
|
458
|
|
|
459 if (buf == NULL) {
|
|
|
460 return (u_char *) NGX_OFF_T_LEN;
|
|
|
461 }
|
|
10
|
462 return ngx_sprintf(buf, "%O", r->headers_out.content_length_n);
|
|
0
|
463 }
|
|
|
464
|
|
|
465 if (data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
|
466 if (r->headers_out.last_modified_time == -1) {
|
|
|
467 if (buf) {
|
|
|
468 *buf = '-';
|
|
|
469 }
|
|
|
470 return buf + 1;
|
|
|
471 }
|
|
|
472
|
|
|
473 if (buf == NULL) {
|
|
|
474 return (u_char *)
|
|
|
475 sizeof("Mon, 28 Sep 1970 06:00:00 GMT") - 1;
|
|
|
476 }
|
|
4
|
477 return ngx_http_time(buf, r->headers_out.last_modified_time);
|
|
0
|
478 }
|
|
|
479
|
|
|
480 if (buf) {
|
|
|
481 *buf = '-';
|
|
|
482 }
|
|
|
483
|
|
|
484 return buf + 1;
|
|
|
485 }
|
|
|
486
|
|
|
487 if (buf == NULL) {
|
|
|
488 /* find the header length */
|
|
|
489 return (u_char *) h->value.len;
|
|
|
490 }
|
|
|
491
|
|
|
492 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
493 }
|
|
|
494
|
|
|
495 /* find an offset while a format string compilation */
|
|
|
496
|
|
|
497 op = (ngx_http_log_op_t *) buf;
|
|
|
498 s = (ngx_str_t *) data;
|
|
|
499
|
|
|
500 op->len = 0;
|
|
|
501
|
|
|
502 for (i = 0; ngx_http_headers_out[i].name.len != 0; i++) {
|
|
|
503 if (ngx_http_headers_out[i].name.len != s->len) {
|
|
|
504 continue;
|
|
|
505 }
|
|
|
506
|
|
|
507 if (ngx_strncasecmp(ngx_http_headers_out[i].name.data, s->data, s->len)
|
|
|
508 == 0)
|
|
|
509 {
|
|
|
510 op->op = ngx_http_log_header_out;
|
|
|
511 op->data = ngx_http_headers_out[i].offset;
|
|
|
512 return NULL;
|
|
|
513 }
|
|
|
514 }
|
|
|
515
|
|
|
516 if (s->len == sizeof("Connection") - 1
|
|
|
517 && ngx_strncasecmp(s->data, "Connection", s->len) == 0)
|
|
|
518 {
|
|
|
519 op->op = ngx_http_log_connection_header_out;
|
|
|
520 op->data = (uintptr_t) NULL;
|
|
|
521 return NULL;
|
|
|
522 }
|
|
|
523
|
|
|
524 if (s->len == sizeof("Transfer-Encoding") - 1
|
|
|
525 && ngx_strncasecmp(s->data, "Transfer-Encoding", s->len) == 0) {
|
|
|
526 op->op = ngx_http_log_transfer_encoding_header_out;
|
|
|
527 op->data = (uintptr_t) NULL;
|
|
|
528 return NULL;
|
|
|
529 }
|
|
|
530
|
|
|
531 op->op = ngx_http_log_unknown_header_out;
|
|
|
532 op->data = (uintptr_t) s;
|
|
|
533
|
|
|
534 return NULL;
|
|
|
535 }
|
|
|
536
|
|
|
537
|
|
|
538 static u_char *ngx_http_log_connection_header_out(ngx_http_request_t *r,
|
|
|
539 u_char *buf, uintptr_t data)
|
|
|
540 {
|
|
|
541 if (buf == NULL) {
|
|
|
542 return (u_char *) ((r->keepalive) ? sizeof("keep-alive") - 1:
|
|
|
543 sizeof("close") - 1);
|
|
|
544 }
|
|
|
545
|
|
|
546 if (r->keepalive) {
|
|
|
547 return ngx_cpymem(buf, "keep-alive", sizeof("keep-alive") - 1);
|
|
|
548
|
|
|
549 } else {
|
|
|
550 return ngx_cpymem(buf, "close", sizeof("close") - 1);
|
|
|
551 }
|
|
|
552 }
|
|
|
553
|
|
|
554
|
|
|
555 static u_char *ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r,
|
|
|
556 u_char *buf,
|
|
|
557 uintptr_t data)
|
|
|
558 {
|
|
|
559 if (buf == NULL) {
|
|
|
560 return (u_char *) ((r->chunked) ? sizeof("chunked") - 1 : 1);
|
|
|
561 }
|
|
|
562
|
|
|
563 if (r->chunked) {
|
|
|
564 return ngx_cpymem(buf, "chunked", sizeof("chunked") - 1);
|
|
|
565 }
|
|
|
566
|
|
|
567 *buf = '-';
|
|
|
568
|
|
|
569 return buf + 1;
|
|
|
570 }
|
|
|
571
|
|
|
572
|
|
|
573 static u_char *ngx_http_log_unknown_header_out(ngx_http_request_t *r,
|
|
|
574 u_char *buf,
|
|
|
575 uintptr_t data)
|
|
|
576 {
|
|
|
577 ngx_uint_t i;
|
|
|
578 ngx_str_t *s;
|
|
|
579 ngx_list_part_t *part;
|
|
|
580 ngx_table_elt_t *h;
|
|
|
581
|
|
|
582 s = (ngx_str_t *) data;
|
|
|
583
|
|
|
584 part = &r->headers_out.headers.part;
|
|
|
585 h = part->elts;
|
|
|
586
|
|
|
587 for (i = 0; /* void */; i++) {
|
|
|
588
|
|
|
589 if (i >= part->nelts) {
|
|
|
590 if (part->next == NULL) {
|
|
|
591 break;
|
|
|
592 }
|
|
|
593
|
|
|
594 part = part->next;
|
|
|
595 h = part->elts;
|
|
|
596 i = 0;
|
|
|
597 }
|
|
|
598
|
|
|
599 if (h[i].key.len != s->len) {
|
|
|
600 continue;
|
|
|
601 }
|
|
|
602
|
|
|
603 if (ngx_strncasecmp(h[i].key.data, s->data, s->len) == 0) {
|
|
|
604 if (buf == NULL) {
|
|
|
605 /* find the header length */
|
|
|
606 return (u_char *) h[i].value.len;
|
|
|
607 }
|
|
|
608
|
|
|
609 return ngx_cpymem(buf, h[i].value.data, h[i].value.len);
|
|
|
610 }
|
|
|
611 }
|
|
|
612
|
|
|
613 /* no header */
|
|
|
614
|
|
|
615 if (buf) {
|
|
|
616 *buf = '-';
|
|
|
617 }
|
|
|
618
|
|
|
619 return buf + 1;
|
|
|
620 }
|
|
|
621
|
|
|
622
|
|
|
623 static ngx_int_t ngx_http_log_pre_conf(ngx_conf_t *cf)
|
|
|
624 {
|
|
|
625 ngx_http_log_op_name_t *op;
|
|
|
626
|
|
|
627 for (op = ngx_http_log_fmt_ops; op->name.len; op++) { /* void */ }
|
|
|
628 op->op = NULL;
|
|
|
629
|
|
|
630 return NGX_OK;
|
|
|
631 }
|
|
|
632
|
|
|
633
|
|
|
634 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf)
|
|
|
635 {
|
|
|
636 ngx_http_log_main_conf_t *conf;
|
|
|
637
|
|
|
638 char *rc;
|
|
|
639 ngx_str_t *value;
|
|
|
640
|
|
|
641 if (!(conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t)))) {
|
|
|
642 return NGX_CONF_ERROR;
|
|
|
643 }
|
|
|
644
|
|
|
645 ngx_init_array(conf->formats, cf->pool, 5, sizeof(ngx_http_log_fmt_t),
|
|
|
646 NGX_CONF_ERROR);
|
|
|
647
|
|
|
648 cf->args->nelts = 0;
|
|
|
649
|
|
|
650 if (!(value = ngx_push_array(cf->args))) {
|
|
|
651 return NGX_CONF_ERROR;
|
|
|
652 }
|
|
|
653
|
|
|
654 if (!(value = ngx_push_array(cf->args))) {
|
|
|
655 return NGX_CONF_ERROR;
|
|
|
656 }
|
|
|
657
|
|
|
658 value->len = sizeof("combined") - 1;
|
|
|
659 value->data = (u_char *) "combined";
|
|
|
660
|
|
|
661 if (!(value = ngx_push_array(cf->args))) {
|
|
|
662 return NGX_CONF_ERROR;
|
|
|
663 }
|
|
|
664
|
|
|
665 *value = ngx_http_combined_fmt;
|
|
|
666
|
|
|
667 rc = ngx_http_log_set_format(cf, NULL, conf);
|
|
|
668 if (rc != NGX_CONF_OK) {
|
|
|
669 return NULL;
|
|
|
670 }
|
|
|
671
|
|
|
672 return conf;
|
|
|
673 }
|
|
|
674
|
|
|
675
|
|
|
676 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf)
|
|
|
677 {
|
|
|
678 ngx_http_log_loc_conf_t *conf;
|
|
|
679
|
|
|
680 if (!(conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t)))) {
|
|
|
681 return NGX_CONF_ERROR;
|
|
|
682 }
|
|
|
683
|
|
|
684 return conf;
|
|
|
685 }
|
|
|
686
|
|
|
687
|
|
|
688 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
|
|
|
689 void *child)
|
|
|
690 {
|
|
|
691 ngx_http_log_loc_conf_t *prev = parent;
|
|
|
692 ngx_http_log_loc_conf_t *conf = child;
|
|
|
693
|
|
|
694 ngx_http_log_t *log;
|
|
|
695 ngx_http_log_fmt_t *fmt;
|
|
|
696 ngx_http_log_main_conf_t *lmcf;
|
|
|
697
|
|
|
698 if (conf->logs == NULL) {
|
|
|
699
|
|
|
700 if (conf->off) {
|
|
|
701 return NGX_CONF_OK;
|
|
|
702 }
|
|
|
703
|
|
|
704 if (prev->logs) {
|
|
|
705 conf->logs = prev->logs;
|
|
|
706
|
|
|
707 } else {
|
|
|
708
|
|
|
709 if (prev->off) {
|
|
|
710 conf->off = prev->off;
|
|
|
711 return NGX_CONF_OK;
|
|
|
712 }
|
|
|
713
|
|
|
714 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
715 if (conf->logs == NULL) {
|
|
|
716 return NGX_CONF_ERROR;
|
|
|
717 }
|
|
|
718
|
|
|
719 if (!(log = ngx_array_push(conf->logs))) {
|
|
|
720 return NGX_CONF_ERROR;
|
|
|
721 }
|
|
|
722
|
|
|
723 log->file = ngx_conf_open_file(cf->cycle, &http_access_log);
|
|
|
724 if (log->file == NULL) {
|
|
|
725 return NGX_CONF_ERROR;
|
|
|
726 }
|
|
|
727
|
|
|
728 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
729 fmt = lmcf->formats.elts;
|
|
|
730
|
|
|
731 /* the default "combined" format */
|
|
|
732 log->ops = fmt[0].ops;
|
|
|
733 }
|
|
|
734 }
|
|
|
735
|
|
|
736 return NGX_CONF_OK;
|
|
|
737 }
|
|
|
738
|
|
|
739
|
|
|
740 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
741 void *conf)
|
|
|
742 {
|
|
|
743 ngx_http_log_loc_conf_t *llcf = conf;
|
|
|
744
|
|
|
745 ngx_uint_t i;
|
|
|
746 ngx_str_t *value, name;
|
|
|
747 ngx_http_log_t *log;
|
|
|
748 ngx_http_log_fmt_t *fmt;
|
|
|
749 ngx_http_log_main_conf_t *lmcf;
|
|
|
750
|
|
|
751 value = cf->args->elts;
|
|
|
752
|
|
|
753 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
754 llcf->off = 1;
|
|
|
755 return NGX_CONF_OK;
|
|
|
756 }
|
|
|
757
|
|
|
758 if (llcf->logs == NULL) {
|
|
|
759 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
760 if (llcf->logs == NULL) {
|
|
|
761 return NGX_CONF_ERROR;
|
|
|
762 }
|
|
|
763 }
|
|
|
764
|
|
|
765 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
766
|
|
|
767 if (!(log = ngx_array_push(llcf->logs))) {
|
|
|
768 return NGX_CONF_ERROR;
|
|
|
769 }
|
|
|
770
|
|
|
771 if (!(log->file = ngx_conf_open_file(cf->cycle, &value[1]))) {
|
|
|
772 return NGX_CONF_ERROR;
|
|
|
773 }
|
|
|
774
|
|
|
775 if (cf->args->nelts == 3) {
|
|
|
776 name = value[2];
|
|
|
777 } else {
|
|
|
778 name.len = sizeof("combined") - 1;
|
|
|
779 name.data = (u_char *) "combined";
|
|
|
780 }
|
|
|
781
|
|
|
782 fmt = lmcf->formats.elts;
|
|
|
783 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
784 if (fmt[i].name.len == name.len
|
|
|
785 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0)
|
|
|
786 {
|
|
|
787 log->ops = fmt[i].ops;
|
|
|
788 return NGX_CONF_OK;
|
|
|
789 }
|
|
|
790 }
|
|
|
791
|
|
|
792 return NGX_CONF_OK;
|
|
|
793 }
|
|
|
794
|
|
|
795
|
|
|
796 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
797 void *conf)
|
|
|
798 {
|
|
|
799 ngx_http_log_main_conf_t *lmcf = conf;
|
|
|
800
|
|
|
801 ngx_uint_t s, f, invalid;
|
|
|
802 u_char *data, *p, *fname;
|
|
|
803 size_t i, len, fname_len;
|
|
|
804 ngx_str_t *value, arg, *a;
|
|
|
805 ngx_http_log_op_t *op;
|
|
|
806 ngx_http_log_fmt_t *fmt;
|
|
|
807 ngx_http_log_op_name_t *name;
|
|
|
808
|
|
|
809 value = cf->args->elts;
|
|
|
810
|
|
|
811 fmt = lmcf->formats.elts;
|
|
|
812 for (f = 0; f < lmcf->formats.nelts; f++) {
|
|
|
813 if (fmt[f].name.len == value[1].len
|
|
|
814 && ngx_strcmp(fmt->name.data, value[1].data) == 0)
|
|
|
815 {
|
|
|
816 return "duplicate \"log_format\" name";
|
|
|
817 }
|
|
|
818 }
|
|
|
819
|
|
|
820 if (!(fmt = ngx_push_array(&lmcf->formats))) {
|
|
|
821 return NGX_CONF_ERROR;
|
|
|
822 }
|
|
|
823
|
|
|
824 fmt->name = value[1];
|
|
|
825
|
|
|
826 if (!(fmt->ops = ngx_create_array(cf->pool, 20,
|
|
|
827 sizeof(ngx_http_log_op_t)))) {
|
|
|
828 return NGX_CONF_ERROR;
|
|
|
829 }
|
|
|
830
|
|
|
831 invalid = 0;
|
|
|
832 data = NULL;
|
|
|
833
|
|
|
834 for (s = 2; s < cf->args->nelts && !invalid; s++) {
|
|
|
835
|
|
|
836 i = 0;
|
|
|
837
|
|
|
838 while (i < value[s].len) {
|
|
|
839
|
|
|
840 if (!(op = ngx_push_array(fmt->ops))) {
|
|
|
841 return NGX_CONF_ERROR;
|
|
|
842 }
|
|
|
843
|
|
|
844 data = &value[s].data[i];
|
|
|
845
|
|
|
846 if (value[s].data[i] == '%') {
|
|
|
847 i++;
|
|
|
848
|
|
|
849 if (i == value[s].len) {
|
|
|
850 invalid = 1;
|
|
|
851 break;
|
|
|
852 }
|
|
|
853
|
|
|
854 if (value[s].data[i] == '{') {
|
|
|
855 i++;
|
|
|
856
|
|
|
857 arg.data = &value[s].data[i];
|
|
|
858
|
|
|
859 while (i < value[s].len && value[s].data[i] != '}') {
|
|
|
860 i++;
|
|
|
861 }
|
|
|
862
|
|
|
863 arg.len = &value[s].data[i] - arg.data;
|
|
|
864
|
|
|
865 if (i == value[s].len || arg.len == 0) {
|
|
|
866 invalid = 1;
|
|
|
867 break;
|
|
|
868 }
|
|
|
869
|
|
|
870 i++;
|
|
|
871
|
|
|
872 } else {
|
|
|
873 arg.len = 0;
|
|
|
874 }
|
|
|
875
|
|
|
876 fname = &value[s].data[i];
|
|
|
877
|
|
|
878 while (i < value[s].len
|
|
|
879 && ((value[s].data[i] >= 'a' && value[s].data[i] <= 'z')
|
|
|
880 || value[s].data[i] == '_'))
|
|
|
881 {
|
|
|
882 i++;
|
|
|
883 }
|
|
|
884
|
|
|
885 fname_len = &value[s].data[i] - fname;
|
|
|
886
|
|
|
887 if (fname_len == 0) {
|
|
|
888 invalid = 1;
|
|
|
889 break;
|
|
|
890 }
|
|
|
891
|
|
|
892 for (name = ngx_http_log_fmt_ops; name->op; name++) {
|
|
|
893 if (name->name.len == 0) {
|
|
|
894 name = (ngx_http_log_op_name_t *) name->op;
|
|
|
895 }
|
|
|
896
|
|
|
897 if (name->name.len == fname_len
|
|
|
898 && ngx_strncmp(name->name.data, fname, fname_len) == 0)
|
|
|
899 {
|
|
|
900 if (name->len != NGX_HTTP_LOG_ARG) {
|
|
|
901 if (arg.len) {
|
|
|
902 fname[fname_len] = '\0';
|
|
|
903 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
904 "\"%s\" must not have argument",
|
|
|
905 data);
|
|
|
906 return NGX_CONF_ERROR;
|
|
|
907 }
|
|
|
908
|
|
|
909 op->len = name->len;
|
|
|
910 op->op = name->op;
|
|
|
911 op->data = 0;
|
|
|
912
|
|
|
913 break;
|
|
|
914 }
|
|
|
915
|
|
|
916 if (arg.len == 0) {
|
|
|
917 fname[fname_len] = '\0';
|
|
|
918 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
919 "\"%s\" requires argument",
|
|
|
920 data);
|
|
|
921 return NGX_CONF_ERROR;
|
|
|
922 }
|
|
|
923
|
|
|
924 if (!(a = ngx_palloc(cf->pool, sizeof(ngx_str_t)))) {
|
|
|
925 return NGX_CONF_ERROR;
|
|
|
926 }
|
|
|
927
|
|
|
928 *a = arg;
|
|
|
929 name->op(NULL, (u_char *) op, (uintptr_t) a);
|
|
|
930
|
|
|
931 break;
|
|
|
932 }
|
|
|
933 }
|
|
|
934
|
|
|
935 if (name->name.len == 0) {
|
|
|
936 invalid = 1;
|
|
|
937 break;
|
|
|
938 }
|
|
|
939
|
|
|
940 } else {
|
|
|
941 i++;
|
|
|
942
|
|
|
943 while (i < value[s].len && value[s].data[i] != '%') {
|
|
|
944 i++;
|
|
|
945 }
|
|
|
946
|
|
|
947 len = &value[s].data[i] - data;
|
|
|
948
|
|
|
949 if (len) {
|
|
|
950
|
|
|
951 op->len = len;
|
|
|
952
|
|
|
953 if (len <= sizeof(uintptr_t)) {
|
|
|
954 op->op = NGX_HTTP_LOG_COPY_SHORT;
|
|
|
955 op->data = 0;
|
|
|
956
|
|
|
957 while (len--) {
|
|
|
958 op->data <<= 8;
|
|
|
959 op->data |= data[len];
|
|
|
960 }
|
|
|
961
|
|
|
962 } else {
|
|
|
963 op->op = NGX_HTTP_LOG_COPY_LONG;
|
|
|
964
|
|
|
965 if (!(p = ngx_palloc(cf->pool, len))) {
|
|
|
966 return NGX_CONF_ERROR;
|
|
|
967 }
|
|
|
968
|
|
|
969 ngx_memcpy(p, data, len);
|
|
|
970 op->data = (uintptr_t) p;
|
|
|
971 }
|
|
|
972 }
|
|
|
973 }
|
|
|
974 }
|
|
|
975 }
|
|
|
976
|
|
|
977 if (invalid) {
|
|
|
978 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
979 "invalid parameter \"%s\"", data);
|
|
|
980 return NGX_CONF_ERROR;
|
|
|
981 }
|
|
|
982
|
|
|
983 return NGX_CONF_OK;
|
|
|
984 }
|
