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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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31 static u_char *ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
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32 uintptr_t data);
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33 static u_char *ngx_http_log_connection_header_out(ngx_http_request_t *r,
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34 u_char *buf, uintptr_t data);
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35 static u_char *ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r,
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36 u_char *buf,
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37 uintptr_t data);
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38 static u_char *ngx_http_log_unknown_header_in(ngx_http_request_t *r,
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39 u_char *buf, uintptr_t data);
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40 static u_char *ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
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41 uintptr_t data);
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42 static u_char *ngx_http_log_unknown_header_out(ngx_http_request_t *r, u_char *buf,
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43 uintptr_t data);
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44
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45 static ngx_int_t ngx_http_log_pre_conf(ngx_conf_t *cf);
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46 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf);
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47 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf);
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48 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
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49 void *child);
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50 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
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51 void *conf);
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52 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
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53 void *conf);
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54 static ngx_int_t ngx_http_log_parse_format(ngx_conf_t *cf, ngx_array_t *ops,
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55 ngx_str_t *line);
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56
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57
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58 static ngx_command_t ngx_http_log_commands[] = {
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59
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60 {ngx_string("log_format"),
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61 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE,
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62 ngx_http_log_set_format,
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63 NGX_HTTP_MAIN_CONF_OFFSET,
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64 0,
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65 NULL},
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66
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67 {ngx_string("access_log"),
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68 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
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69 ngx_http_log_set_log,
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70 NGX_HTTP_LOC_CONF_OFFSET,
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71 0,
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72 NULL},
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73
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74 ngx_null_command
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75 };
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76
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77
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78 ngx_http_module_t ngx_http_log_module_ctx = {
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79 ngx_http_log_pre_conf, /* pre conf */
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80
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81 ngx_http_log_create_main_conf, /* create main configuration */
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82 NULL, /* init main configuration */
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83
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84 NULL, /* create server configuration */
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85 NULL, /* merge server configuration */
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86
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87 ngx_http_log_create_loc_conf, /* create location configration */
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88 ngx_http_log_merge_loc_conf /* merge location configration */
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89 };
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90
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91
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92 ngx_module_t ngx_http_log_module = {
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93 NGX_MODULE,
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94 &ngx_http_log_module_ctx, /* module context */
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95 ngx_http_log_commands, /* module directives */
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96 NGX_HTTP_MODULE, /* module type */
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97 NULL, /* init module */
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98 NULL /* init child */
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99 };
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100
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101
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102 static ngx_str_t http_access_log = ngx_string(NGX_HTTP_LOG_PATH);
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103
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104
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105 static ngx_str_t ngx_http_combined_fmt =
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106 ngx_string("%addr - - [%time] \"%request\" %status %apache_length "
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107 "\"%{Referer}i\" \"%{User-Agent}i\"");
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108
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109
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110 ngx_http_log_op_name_t ngx_http_log_fmt_ops[] = {
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111 { ngx_string("addr"), INET_ADDRSTRLEN - 1, ngx_http_log_addr },
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112 { ngx_string("conn"), NGX_INT32_LEN, ngx_http_log_connection },
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113 { ngx_string("pipe"), 1, ngx_http_log_pipe },
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114 { ngx_string("time"), sizeof("28/Sep/1970:12:00:00") - 1,
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115 ngx_http_log_time },
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116 { ngx_string("msec"), TIME_T_LEN + 4, ngx_http_log_msec },
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117 { ngx_string("request"), 0, ngx_http_log_request },
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118 { ngx_string("status"), 3, ngx_http_log_status },
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119 { ngx_string("length"), NGX_OFF_T_LEN, ngx_http_log_length },
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120 { ngx_string("apache_length"), NGX_OFF_T_LEN, ngx_http_log_apache_length },
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121 { ngx_string("i"), NGX_HTTP_LOG_ARG, ngx_http_log_header_in },
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122 { ngx_string("o"), NGX_HTTP_LOG_ARG, ngx_http_log_header_out },
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123 { ngx_null_string, 0, NULL }
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124 };
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125
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126
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127 ngx_int_t ngx_http_log_handler(ngx_http_request_t *r)
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128 {
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129 ngx_uint_t i, l;
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130 uintptr_t data;
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131 u_char *line, *p;
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132 size_t len;
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133 ngx_http_log_t *log;
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134 ngx_http_log_op_t *op;
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135 ngx_http_log_loc_conf_t *lcf;
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136 #if (WIN32)
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137 u_long written;
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138 #endif
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139
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140 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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141 "http log handler");
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142
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143 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module);
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144
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145 if (lcf->off) {
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146 return NGX_OK;
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147 }
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148
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149 log = lcf->logs->elts;
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150 for (l = 0; l < lcf->logs->nelts; l++) {
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151
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152 len = 0;
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153 op = log[l].ops->elts;
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154 for (i = 0; i < log[l].ops->nelts; i++) {
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155 if (op[i].len == 0) {
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156 len += (size_t) op[i].op(r, NULL, op[i].data);
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157
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158 } else {
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159 len += op[i].len;
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160 }
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161 }
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162
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163 #if (WIN32)
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164 len += 2;
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165 #else
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166 len++;
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167 #endif
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168
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169 ngx_test_null(line, ngx_palloc(r->pool, len), NGX_ERROR);
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170 p = line;
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171
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172 for (i = 0; i < log[l].ops->nelts; i++) {
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173 if (op[i].op == NGX_HTTP_LOG_COPY_SHORT) {
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174 len = op[i].len;
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175 data = op[i].data;
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176 while (len--) {
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177 *p++ = (char) (data & 0xff);
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178 data >>= 8;
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179 }
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180
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181 } else if (op[i].op == NGX_HTTP_LOG_COPY_LONG) {
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182 p = ngx_cpymem(p, (void *) op[i].data, op[i].len);
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183
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184 } else {
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185 p = op[i].op(r, p, op[i].data);
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186 }
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187 }
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188
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189 #if (WIN32)
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190 *p++ = CR; *p++ = LF;
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191 WriteFile(log[l].file->fd, line, p - line, &written, NULL);
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192 #else
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193 *p++ = LF;
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194 write(log[l].file->fd, line, p - line);
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195 #endif
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196 }
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197
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198 return NGX_OK;
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199 }
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200
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201
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202 static u_char *ngx_http_log_addr(ngx_http_request_t *r, u_char *buf,
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203 uintptr_t data)
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204 {
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205 return ngx_cpymem(buf, r->connection->addr_text.data,
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206 r->connection->addr_text.len);
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207 }
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208
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209
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210 static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
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211 uintptr_t data)
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212 {
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213 return buf + ngx_snprintf((char *) buf, NGX_INT_T_LEN + 1,
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214 "%" NGX_UINT_T_FMT,
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215 r->connection->number);
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216 }
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217
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218
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219 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf,
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220 uintptr_t data)
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221 {
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222 if (r->pipeline) {
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223 *buf = 'p';
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224 } else {
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225 *buf = '.';
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226 }
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227
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228 return buf + 1;
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229 }
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230
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231
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232 static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf,
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233 uintptr_t data)
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234 {
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235 return ngx_cpymem(buf, ngx_cached_http_log_time.data,
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236 ngx_cached_http_log_time.len);
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237 }
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238
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239
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240 static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf,
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241 uintptr_t data)
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242 {
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243 struct timeval tv;
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244
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245 ngx_gettimeofday(&tv);
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246
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247 return buf + ngx_snprintf((char *) buf, TIME_T_LEN + 5, "%ld.%03ld",
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248 tv.tv_sec, tv.tv_usec / 1000);
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249 }
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250
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251
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252 static u_char *ngx_http_log_request(ngx_http_request_t *r, u_char *buf,
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253 uintptr_t data)
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254 {
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255 if (buf == NULL) {
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256 /* find the request line length */
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257 return (u_char *) r->request_line.len;
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258 }
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259
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260 return ngx_cpymem(buf, r->request_line.data, r->request_line.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_status(ngx_http_request_t *r, u_char *buf,
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265 uintptr_t data)
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266 {
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267 return buf + ngx_snprintf((char *) buf, 4, "%" NGX_UINT_T_FMT,
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268 r->err_status ? r->err_status : r->headers_out.status);
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269 }
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270
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271
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272 static u_char *ngx_http_log_length(ngx_http_request_t *r, u_char *buf,
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273 uintptr_t data)
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274 {
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275 return buf + ngx_snprintf((char *) buf, NGX_OFF_T_LEN + 1, OFF_T_FMT,
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276 r->connection->sent);
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277 }
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278
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279
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280 static u_char *ngx_http_log_apache_length(ngx_http_request_t *r, u_char *buf,
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281 uintptr_t data)
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282 {
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283 return buf + ngx_snprintf((char *) buf, NGX_OFF_T_LEN + 1, OFF_T_FMT,
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284 r->connection->sent - r->header_size);
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285 }
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286
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287
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288 static u_char *ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
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289 uintptr_t data)
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290 {
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291 ngx_uint_t i;
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292 ngx_str_t *s;
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293 ngx_table_elt_t *h;
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294 ngx_http_log_op_t *op;
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295
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296 if (r) {
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297 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + data);
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298
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299 if (h == NULL) {
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300
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301 /* no header */
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302
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303 if (buf) {
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304 *buf = '-';
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305 }
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306
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307 return buf + 1;
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308 }
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309
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310 if (buf == NULL) {
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311 /* find the header length */
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312 return (u_char *) h->value.len;
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313 }
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314
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315 return ngx_cpymem(buf, h->value.data, h->value.len);
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316 }
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317
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318 /* find an offset while a format string compilation */
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319
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320 op = (ngx_http_log_op_t *) buf;
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321 s = (ngx_str_t *) data;
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322
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323 op->len = 0;
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324
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325 for (i = 0; ngx_http_headers_in[i].name.len != 0; i++) {
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326 if (ngx_http_headers_in[i].name.len != s->len) {
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327 continue;
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328 }
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329
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330 if (ngx_strncasecmp(ngx_http_headers_in[i].name.data, s->data, s->len)
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331 == 0)
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332 {
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333 op->op = ngx_http_log_header_in;
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334 op->data = ngx_http_headers_in[i].offset;
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335 return NULL;
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336 }
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337 }
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338
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339 op->op = ngx_http_log_unknown_header_in;
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340 op->data = (uintptr_t) s;
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341
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342 return NULL;
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343 }
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344
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345
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346 static u_char *ngx_http_log_unknown_header_in(ngx_http_request_t *r,
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347 u_char *buf, uintptr_t data)
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348 {
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349 ngx_uint_t i;
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350 ngx_str_t *s;
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351 ngx_list_part_t *part;
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352 ngx_table_elt_t *h;
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353
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354 s = (ngx_str_t *) data;
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355
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356 part = &r->headers_in.headers.part;
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357 h = part->elts;
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358
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359 for (i = 0; /* void */; i++) {
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360
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361 if (i >= part->nelts) {
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362 if (part->next == NULL) {
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363 break;
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364 }
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365
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366 part = part->next;
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367 h = part->elts;
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368 i = 0;
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369 }
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370
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371 if (h[i].key.len != s->len) {
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372 continue;
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373 }
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374
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375 if (ngx_strncasecmp(h[i].key.data, s->data, s->len) == 0) {
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376 if (buf == NULL) {
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377 /* find the header length */
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378 return (u_char *) h[i].value.len;
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379 }
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380
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381 return ngx_cpymem(buf, h[i].value.data, h[i].value.len);
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382 }
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383 }
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384
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385 /* no header */
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386
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|
387 if (buf) {
|
|
|
388 *buf = '-';
|
|
|
389 }
|
|
|
390
|
|
|
391 return buf + 1;
|
|
|
392 }
|
|
|
393
|
|
|
394
|
|
|
395 static u_char *ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
396 uintptr_t data)
|
|
|
397 {
|
|
|
398 ngx_uint_t i;
|
|
|
399 ngx_str_t *s;
|
|
|
400 ngx_table_elt_t *h;
|
|
|
401 ngx_http_log_op_t *op;
|
|
|
402
|
|
|
403 if (r) {
|
|
|
404
|
|
|
405 /* run-time execution */
|
|
|
406
|
|
|
407 if (r->http_version < NGX_HTTP_VERSION_10) {
|
|
|
408 if (buf) {
|
|
|
409 *buf = '-';
|
|
|
410 }
|
|
|
411
|
|
|
412 return buf + 1;
|
|
|
413 }
|
|
|
414
|
|
|
415 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + data);
|
|
|
416
|
|
|
417 if (h == NULL) {
|
|
|
418
|
|
|
419 /*
|
|
|
420 * No header pointer was found.
|
|
|
421 * However, some headers: "Date", "Server", "Content-Length",
|
|
|
422 * and "Last-Modified" have a special handling in the header filter
|
|
|
423 * but we do not set up their pointers in the filter because
|
|
|
424 * they are too seldom needed to be logged.
|
|
|
425 */
|
|
|
426
|
|
|
427 if (data == offsetof(ngx_http_headers_out_t, date)) {
|
|
|
428 if (buf == NULL) {
|
|
|
429 return (u_char *) ngx_cached_http_time.len;
|
|
|
430 }
|
|
|
431 return ngx_cpymem(buf, ngx_cached_http_time.data,
|
|
|
432 ngx_cached_http_time.len);
|
|
|
433 }
|
|
|
434
|
|
|
435 if (data == offsetof(ngx_http_headers_out_t, server)) {
|
|
|
436 if (buf == NULL) {
|
|
|
437 return (u_char *) (sizeof(NGINX_VER) - 1);
|
|
|
438 }
|
|
|
439 return ngx_cpymem(buf, NGINX_VER, sizeof(NGINX_VER) - 1);
|
|
|
440 }
|
|
|
441
|
|
|
442 if (data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
|
443 if (r->headers_out.content_length_n == -1) {
|
|
|
444 if (buf) {
|
|
|
445 *buf = '-';
|
|
|
446 }
|
|
|
447 return buf + 1;
|
|
|
448 }
|
|
|
449
|
|
|
450 if (buf == NULL) {
|
|
|
451 return (u_char *) NGX_OFF_T_LEN;
|
|
|
452 }
|
|
|
453 return buf + ngx_snprintf((char *) buf,
|
|
|
454 NGX_OFF_T_LEN + 2, OFF_T_FMT,
|
|
|
455 r->headers_out.content_length_n);
|
|
|
456 }
|
|
|
457
|
|
|
458 if (data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
|
459 if (r->headers_out.last_modified_time == -1) {
|
|
|
460 if (buf) {
|
|
|
461 *buf = '-';
|
|
|
462 }
|
|
|
463 return buf + 1;
|
|
|
464 }
|
|
|
465
|
|
|
466 if (buf == NULL) {
|
|
|
467 return (u_char *)
|
|
|
468 sizeof("Mon, 28 Sep 1970 06:00:00 GMT") - 1;
|
|
|
469 }
|
|
|
470 return buf + ngx_http_time(buf,
|
|
|
471 r->headers_out.last_modified_time);
|
|
|
472 }
|
|
|
473
|
|
|
474 if (buf) {
|
|
|
475 *buf = '-';
|
|
|
476 }
|
|
|
477
|
|
|
478 return buf + 1;
|
|
|
479 }
|
|
|
480
|
|
|
481 if (buf == NULL) {
|
|
|
482 /* find the header length */
|
|
|
483 return (u_char *) h->value.len;
|
|
|
484 }
|
|
|
485
|
|
|
486 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
487 }
|
|
|
488
|
|
|
489 /* find an offset while a format string compilation */
|
|
|
490
|
|
|
491 op = (ngx_http_log_op_t *) buf;
|
|
|
492 s = (ngx_str_t *) data;
|
|
|
493
|
|
|
494 op->len = 0;
|
|
|
495
|
|
|
496 for (i = 0; ngx_http_headers_out[i].name.len != 0; i++) {
|
|
|
497 if (ngx_http_headers_out[i].name.len != s->len) {
|
|
|
498 continue;
|
|
|
499 }
|
|
|
500
|
|
|
501 if (ngx_strncasecmp(ngx_http_headers_out[i].name.data, s->data, s->len)
|
|
|
502 == 0)
|
|
|
503 {
|
|
|
504 op->op = ngx_http_log_header_out;
|
|
|
505 op->data = ngx_http_headers_out[i].offset;
|
|
|
506 return NULL;
|
|
|
507 }
|
|
|
508 }
|
|
|
509
|
|
|
510 if (s->len == sizeof("Connection") - 1
|
|
|
511 && ngx_strncasecmp(s->data, "Connection", s->len) == 0)
|
|
|
512 {
|
|
|
513 op->op = ngx_http_log_connection_header_out;
|
|
|
514 op->data = (uintptr_t) NULL;
|
|
|
515 return NULL;
|
|
|
516 }
|
|
|
517
|
|
|
518 if (s->len == sizeof("Transfer-Encoding") - 1
|
|
|
519 && ngx_strncasecmp(s->data, "Transfer-Encoding", s->len) == 0) {
|
|
|
520 op->op = ngx_http_log_transfer_encoding_header_out;
|
|
|
521 op->data = (uintptr_t) NULL;
|
|
|
522 return NULL;
|
|
|
523 }
|
|
|
524
|
|
|
525 op->op = ngx_http_log_unknown_header_out;
|
|
|
526 op->data = (uintptr_t) s;
|
|
|
527
|
|
|
528 return NULL;
|
|
|
529 }
|
|
|
530
|
|
|
531
|
|
|
532 static u_char *ngx_http_log_connection_header_out(ngx_http_request_t *r,
|
|
|
533 u_char *buf, uintptr_t data)
|
|
|
534 {
|
|
|
535 if (buf == NULL) {
|
|
|
536 return (u_char *) ((r->keepalive) ? sizeof("keep-alive") - 1:
|
|
|
537 sizeof("close") - 1);
|
|
|
538 }
|
|
|
539
|
|
|
540 if (r->keepalive) {
|
|
|
541 return ngx_cpymem(buf, "keep-alive", sizeof("keep-alive") - 1);
|
|
|
542
|
|
|
543 } else {
|
|
|
544 return ngx_cpymem(buf, "close", sizeof("close") - 1);
|
|
|
545 }
|
|
|
546 }
|
|
|
547
|
|
|
548
|
|
|
549 static u_char *ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r,
|
|
|
550 u_char *buf,
|
|
|
551 uintptr_t data)
|
|
|
552 {
|
|
|
553 if (buf == NULL) {
|
|
|
554 return (u_char *) ((r->chunked) ? sizeof("chunked") - 1 : 1);
|
|
|
555 }
|
|
|
556
|
|
|
557 if (r->chunked) {
|
|
|
558 return ngx_cpymem(buf, "chunked", sizeof("chunked") - 1);
|
|
|
559 }
|
|
|
560
|
|
|
561 *buf = '-';
|
|
|
562
|
|
|
563 return buf + 1;
|
|
|
564 }
|
|
|
565
|
|
|
566
|
|
|
567 static u_char *ngx_http_log_unknown_header_out(ngx_http_request_t *r,
|
|
|
568 u_char *buf,
|
|
|
569 uintptr_t data)
|
|
|
570 {
|
|
|
571 ngx_uint_t i;
|
|
|
572 ngx_str_t *s;
|
|
|
573 ngx_list_part_t *part;
|
|
|
574 ngx_table_elt_t *h;
|
|
|
575
|
|
|
576 s = (ngx_str_t *) data;
|
|
|
577
|
|
|
578 part = &r->headers_out.headers.part;
|
|
|
579 h = part->elts;
|
|
|
580
|
|
|
581 for (i = 0; /* void */; i++) {
|
|
|
582
|
|
|
583 if (i >= part->nelts) {
|
|
|
584 if (part->next == NULL) {
|
|
|
585 break;
|
|
|
586 }
|
|
|
587
|
|
|
588 part = part->next;
|
|
|
589 h = part->elts;
|
|
|
590 i = 0;
|
|
|
591 }
|
|
|
592
|
|
|
593 if (h[i].key.len != s->len) {
|
|
|
594 continue;
|
|
|
595 }
|
|
|
596
|
|
|
597 if (ngx_strncasecmp(h[i].key.data, s->data, s->len) == 0) {
|
|
|
598 if (buf == NULL) {
|
|
|
599 /* find the header length */
|
|
|
600 return (u_char *) h[i].value.len;
|
|
|
601 }
|
|
|
602
|
|
|
603 return ngx_cpymem(buf, h[i].value.data, h[i].value.len);
|
|
|
604 }
|
|
|
605 }
|
|
|
606
|
|
|
607 /* no header */
|
|
|
608
|
|
|
609 if (buf) {
|
|
|
610 *buf = '-';
|
|
|
611 }
|
|
|
612
|
|
|
613 return buf + 1;
|
|
|
614 }
|
|
|
615
|
|
|
616
|
|
|
617 static ngx_int_t ngx_http_log_pre_conf(ngx_conf_t *cf)
|
|
|
618 {
|
|
|
619 ngx_http_log_op_name_t *op;
|
|
|
620
|
|
|
621 for (op = ngx_http_log_fmt_ops; op->name.len; op++) { /* void */ }
|
|
|
622 op->op = NULL;
|
|
|
623
|
|
|
624 return NGX_OK;
|
|
|
625 }
|
|
|
626
|
|
|
627
|
|
|
628 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf)
|
|
|
629 {
|
|
|
630 ngx_http_log_main_conf_t *conf;
|
|
|
631
|
|
|
632 char *rc;
|
|
|
633 ngx_str_t *value;
|
|
|
634
|
|
|
635 if (!(conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t)))) {
|
|
|
636 return NGX_CONF_ERROR;
|
|
|
637 }
|
|
|
638
|
|
|
639 ngx_init_array(conf->formats, cf->pool, 5, sizeof(ngx_http_log_fmt_t),
|
|
|
640 NGX_CONF_ERROR);
|
|
|
641
|
|
|
642 cf->args->nelts = 0;
|
|
|
643
|
|
|
644 if (!(value = ngx_push_array(cf->args))) {
|
|
|
645 return NGX_CONF_ERROR;
|
|
|
646 }
|
|
|
647
|
|
|
648 if (!(value = ngx_push_array(cf->args))) {
|
|
|
649 return NGX_CONF_ERROR;
|
|
|
650 }
|
|
|
651
|
|
|
652 value->len = sizeof("combined") - 1;
|
|
|
653 value->data = (u_char *) "combined";
|
|
|
654
|
|
|
655 if (!(value = ngx_push_array(cf->args))) {
|
|
|
656 return NGX_CONF_ERROR;
|
|
|
657 }
|
|
|
658
|
|
|
659 *value = ngx_http_combined_fmt;
|
|
|
660
|
|
|
661 rc = ngx_http_log_set_format(cf, NULL, conf);
|
|
|
662 if (rc != NGX_CONF_OK) {
|
|
|
663 return NULL;
|
|
|
664 }
|
|
|
665
|
|
|
666 return conf;
|
|
|
667 }
|
|
|
668
|
|
|
669
|
|
|
670 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf)
|
|
|
671 {
|
|
|
672 ngx_http_log_loc_conf_t *conf;
|
|
|
673
|
|
|
674 if (!(conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t)))) {
|
|
|
675 return NGX_CONF_ERROR;
|
|
|
676 }
|
|
|
677
|
|
|
678 return conf;
|
|
|
679 }
|
|
|
680
|
|
|
681
|
|
|
682 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
|
|
|
683 void *child)
|
|
|
684 {
|
|
|
685 ngx_http_log_loc_conf_t *prev = parent;
|
|
|
686 ngx_http_log_loc_conf_t *conf = child;
|
|
|
687
|
|
|
688 ngx_http_log_t *log;
|
|
|
689 ngx_http_log_fmt_t *fmt;
|
|
|
690 ngx_http_log_main_conf_t *lmcf;
|
|
|
691
|
|
|
692 if (conf->logs == NULL) {
|
|
|
693
|
|
|
694 if (conf->off) {
|
|
|
695 return NGX_CONF_OK;
|
|
|
696 }
|
|
|
697
|
|
|
698 if (prev->logs) {
|
|
|
699 conf->logs = prev->logs;
|
|
|
700
|
|
|
701 } else {
|
|
|
702
|
|
|
703 if (prev->off) {
|
|
|
704 conf->off = prev->off;
|
|
|
705 return NGX_CONF_OK;
|
|
|
706 }
|
|
|
707
|
|
|
708 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
709 if (conf->logs == NULL) {
|
|
|
710 return NGX_CONF_ERROR;
|
|
|
711 }
|
|
|
712
|
|
|
713 if (!(log = ngx_array_push(conf->logs))) {
|
|
|
714 return NGX_CONF_ERROR;
|
|
|
715 }
|
|
|
716
|
|
|
717 log->file = ngx_conf_open_file(cf->cycle, &http_access_log);
|
|
|
718 if (log->file == NULL) {
|
|
|
719 return NGX_CONF_ERROR;
|
|
|
720 }
|
|
|
721
|
|
|
722 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
723 fmt = lmcf->formats.elts;
|
|
|
724
|
|
|
725 /* the default "combined" format */
|
|
|
726 log->ops = fmt[0].ops;
|
|
|
727 }
|
|
|
728 }
|
|
|
729
|
|
|
730 return NGX_CONF_OK;
|
|
|
731 }
|
|
|
732
|
|
|
733
|
|
|
734 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
735 void *conf)
|
|
|
736 {
|
|
|
737 ngx_http_log_loc_conf_t *llcf = conf;
|
|
|
738
|
|
|
739 ngx_uint_t i;
|
|
|
740 ngx_str_t *value, name;
|
|
|
741 ngx_http_log_t *log;
|
|
|
742 ngx_http_log_fmt_t *fmt;
|
|
|
743 ngx_http_log_main_conf_t *lmcf;
|
|
|
744
|
|
|
745 value = cf->args->elts;
|
|
|
746
|
|
|
747 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
748 llcf->off = 1;
|
|
|
749 return NGX_CONF_OK;
|
|
|
750 }
|
|
|
751
|
|
|
752 if (llcf->logs == NULL) {
|
|
|
753 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
754 if (llcf->logs == NULL) {
|
|
|
755 return NGX_CONF_ERROR;
|
|
|
756 }
|
|
|
757 }
|
|
|
758
|
|
|
759 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
760
|
|
|
761 if (!(log = ngx_array_push(llcf->logs))) {
|
|
|
762 return NGX_CONF_ERROR;
|
|
|
763 }
|
|
|
764
|
|
|
765 if (!(log->file = ngx_conf_open_file(cf->cycle, &value[1]))) {
|
|
|
766 return NGX_CONF_ERROR;
|
|
|
767 }
|
|
|
768
|
|
|
769 if (cf->args->nelts == 3) {
|
|
|
770 name = value[2];
|
|
|
771 } else {
|
|
|
772 name.len = sizeof("combined") - 1;
|
|
|
773 name.data = (u_char *) "combined";
|
|
|
774 }
|
|
|
775
|
|
|
776 fmt = lmcf->formats.elts;
|
|
|
777 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
778 if (fmt[i].name.len == name.len
|
|
|
779 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0)
|
|
|
780 {
|
|
|
781 log->ops = fmt[i].ops;
|
|
|
782 return NGX_CONF_OK;
|
|
|
783 }
|
|
|
784 }
|
|
|
785
|
|
|
786 return NGX_CONF_OK;
|
|
|
787 }
|
|
|
788
|
|
|
789
|
|
|
790 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
791 void *conf)
|
|
|
792 {
|
|
|
793 ngx_http_log_main_conf_t *lmcf = conf;
|
|
|
794
|
|
|
795 ngx_uint_t s, f, invalid;
|
|
|
796 u_char *data, *p, *fname;
|
|
|
797 size_t i, len, fname_len;
|
|
|
798 ngx_str_t *value, arg, *a;
|
|
|
799 ngx_http_log_op_t *op;
|
|
|
800 ngx_http_log_fmt_t *fmt;
|
|
|
801 ngx_http_log_op_name_t *name;
|
|
|
802
|
|
|
803 value = cf->args->elts;
|
|
|
804
|
|
|
805 fmt = lmcf->formats.elts;
|
|
|
806 for (f = 0; f < lmcf->formats.nelts; f++) {
|
|
|
807 if (fmt[f].name.len == value[1].len
|
|
|
808 && ngx_strcmp(fmt->name.data, value[1].data) == 0)
|
|
|
809 {
|
|
|
810 return "duplicate \"log_format\" name";
|
|
|
811 }
|
|
|
812 }
|
|
|
813
|
|
|
814 if (!(fmt = ngx_push_array(&lmcf->formats))) {
|
|
|
815 return NGX_CONF_ERROR;
|
|
|
816 }
|
|
|
817
|
|
|
818 fmt->name = value[1];
|
|
|
819
|
|
|
820 if (!(fmt->ops = ngx_create_array(cf->pool, 20,
|
|
|
821 sizeof(ngx_http_log_op_t)))) {
|
|
|
822 return NGX_CONF_ERROR;
|
|
|
823 }
|
|
|
824
|
|
|
825 invalid = 0;
|
|
|
826 data = NULL;
|
|
|
827
|
|
|
828 for (s = 2; s < cf->args->nelts && !invalid; s++) {
|
|
|
829
|
|
|
830 i = 0;
|
|
|
831
|
|
|
832 while (i < value[s].len) {
|
|
|
833
|
|
|
834 if (!(op = ngx_push_array(fmt->ops))) {
|
|
|
835 return NGX_CONF_ERROR;
|
|
|
836 }
|
|
|
837
|
|
|
838 data = &value[s].data[i];
|
|
|
839
|
|
|
840 if (value[s].data[i] == '%') {
|
|
|
841 i++;
|
|
|
842
|
|
|
843 if (i == value[s].len) {
|
|
|
844 invalid = 1;
|
|
|
845 break;
|
|
|
846 }
|
|
|
847
|
|
|
848 if (value[s].data[i] == '{') {
|
|
|
849 i++;
|
|
|
850
|
|
|
851 arg.data = &value[s].data[i];
|
|
|
852
|
|
|
853 while (i < value[s].len && value[s].data[i] != '}') {
|
|
|
854 i++;
|
|
|
855 }
|
|
|
856
|
|
|
857 arg.len = &value[s].data[i] - arg.data;
|
|
|
858
|
|
|
859 if (i == value[s].len || arg.len == 0) {
|
|
|
860 invalid = 1;
|
|
|
861 break;
|
|
|
862 }
|
|
|
863
|
|
|
864 i++;
|
|
|
865
|
|
|
866 } else {
|
|
|
867 arg.len = 0;
|
|
|
868 }
|
|
|
869
|
|
|
870 fname = &value[s].data[i];
|
|
|
871
|
|
|
872 while (i < value[s].len
|
|
|
873 && ((value[s].data[i] >= 'a' && value[s].data[i] <= 'z')
|
|
|
874 || value[s].data[i] == '_'))
|
|
|
875 {
|
|
|
876 i++;
|
|
|
877 }
|
|
|
878
|
|
|
879 fname_len = &value[s].data[i] - fname;
|
|
|
880
|
|
|
881 if (fname_len == 0) {
|
|
|
882 invalid = 1;
|
|
|
883 break;
|
|
|
884 }
|
|
|
885
|
|
|
886 for (name = ngx_http_log_fmt_ops; name->op; name++) {
|
|
|
887 if (name->name.len == 0) {
|
|
|
888 name = (ngx_http_log_op_name_t *) name->op;
|
|
|
889 }
|
|
|
890
|
|
|
891 if (name->name.len == fname_len
|
|
|
892 && ngx_strncmp(name->name.data, fname, fname_len) == 0)
|
|
|
893 {
|
|
|
894 if (name->len != NGX_HTTP_LOG_ARG) {
|
|
|
895 if (arg.len) {
|
|
|
896 fname[fname_len] = '\0';
|
|
|
897 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
898 "\"%s\" must not have argument",
|
|
|
899 data);
|
|
|
900 return NGX_CONF_ERROR;
|
|
|
901 }
|
|
|
902
|
|
|
903 op->len = name->len;
|
|
|
904 op->op = name->op;
|
|
|
905 op->data = 0;
|
|
|
906
|
|
|
907 break;
|
|
|
908 }
|
|
|
909
|
|
|
910 if (arg.len == 0) {
|
|
|
911 fname[fname_len] = '\0';
|
|
|
912 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
913 "\"%s\" requires argument",
|
|
|
914 data);
|
|
|
915 return NGX_CONF_ERROR;
|
|
|
916 }
|
|
|
917
|
|
|
918 if (!(a = ngx_palloc(cf->pool, sizeof(ngx_str_t)))) {
|
|
|
919 return NGX_CONF_ERROR;
|
|
|
920 }
|
|
|
921
|
|
|
922 *a = arg;
|
|
|
923 name->op(NULL, (u_char *) op, (uintptr_t) a);
|
|
|
924
|
|
|
925 break;
|
|
|
926 }
|
|
|
927 }
|
|
|
928
|
|
|
929 if (name->name.len == 0) {
|
|
|
930 invalid = 1;
|
|
|
931 break;
|
|
|
932 }
|
|
|
933
|
|
|
934 } else {
|
|
|
935 i++;
|
|
|
936
|
|
|
937 while (i < value[s].len && value[s].data[i] != '%') {
|
|
|
938 i++;
|
|
|
939 }
|
|
|
940
|
|
|
941 len = &value[s].data[i] - data;
|
|
|
942
|
|
|
943 if (len) {
|
|
|
944
|
|
|
945 op->len = len;
|
|
|
946
|
|
|
947 if (len <= sizeof(uintptr_t)) {
|
|
|
948 op->op = NGX_HTTP_LOG_COPY_SHORT;
|
|
|
949 op->data = 0;
|
|
|
950
|
|
|
951 while (len--) {
|
|
|
952 op->data <<= 8;
|
|
|
953 op->data |= data[len];
|
|
|
954 }
|
|
|
955
|
|
|
956 } else {
|
|
|
957 op->op = NGX_HTTP_LOG_COPY_LONG;
|
|
|
958
|
|
|
959 if (!(p = ngx_palloc(cf->pool, len))) {
|
|
|
960 return NGX_CONF_ERROR;
|
|
|
961 }
|
|
|
962
|
|
|
963 ngx_memcpy(p, data, len);
|
|
|
964 op->data = (uintptr_t) p;
|
|
|
965 }
|
|
|
966 }
|
|
|
967 }
|
|
|
968 }
|
|
|
969 }
|
|
|
970
|
|
|
971 if (invalid) {
|
|
|
972 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
973 "invalid parameter \"%s\"", data);
|
|
|
974 return NGX_CONF_ERROR;
|
|
|
975 }
|
|
|
976
|
|
|
977 return NGX_CONF_OK;
|
|
|
978 }
|
