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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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4
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213 return ngx_sprintf(buf, "%ui", r->connection->number);
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214
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215 #if 0
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0
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216 return buf + ngx_snprintf((char *) buf, NGX_INT_T_LEN + 1,
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217 "%" NGX_UINT_T_FMT,
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218 r->connection->number);
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4
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219 #endif
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0
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220 }
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221
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222
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223 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf,
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224 uintptr_t data)
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225 {
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226 if (r->pipeline) {
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227 *buf = 'p';
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228 } else {
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229 *buf = '.';
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230 }
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231
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232 return buf + 1;
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233 }
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234
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235
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236 static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf,
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237 uintptr_t data)
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238 {
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239 return ngx_cpymem(buf, ngx_cached_http_log_time.data,
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240 ngx_cached_http_log_time.len);
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241 }
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242
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243
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244 static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf,
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245 uintptr_t data)
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246 {
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247 struct timeval tv;
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248
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249 ngx_gettimeofday(&tv);
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250
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4
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251 return ngx_sprintf(buf, "%l.%03l", tv.tv_sec, tv.tv_usec / 1000);
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252
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253 #if 0
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0
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254 return buf + ngx_snprintf((char *) buf, TIME_T_LEN + 5, "%ld.%03ld",
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255 tv.tv_sec, tv.tv_usec / 1000);
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4
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256 #endif
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0
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257 }
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258
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259
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260 static u_char *ngx_http_log_request(ngx_http_request_t *r, u_char *buf,
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261 uintptr_t data)
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262 {
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263 if (buf == NULL) {
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264 /* find the request line length */
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265 return (u_char *) r->request_line.len;
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266 }
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267
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268 return ngx_cpymem(buf, r->request_line.data, r->request_line.len);
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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_status(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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4
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275 return ngx_sprintf(buf, "%ui",
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276 r->err_status ? r->err_status : r->headers_out.status);
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277
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278 #if 0
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0
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279 return buf + ngx_snprintf((char *) buf, 4, "%" NGX_UINT_T_FMT,
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280 r->err_status ? r->err_status : r->headers_out.status);
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4
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281 #endif
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0
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282 }
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283
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284
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285 static u_char *ngx_http_log_length(ngx_http_request_t *r, u_char *buf,
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286 uintptr_t data)
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287 {
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4
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288 return ngx_sprintf(buf, "%O", r->connection->sent);
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289
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290 #if 0
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0
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291 return buf + ngx_snprintf((char *) buf, NGX_OFF_T_LEN + 1, OFF_T_FMT,
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292 r->connection->sent);
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4
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293 #endif
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0
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294 }
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295
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296
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297 static u_char *ngx_http_log_apache_length(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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4
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300 return ngx_sprintf(buf, "%O", r->connection->sent - r->header_size);
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301 #if 0
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0
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302 return buf + ngx_snprintf((char *) buf, NGX_OFF_T_LEN + 1, OFF_T_FMT,
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303 r->connection->sent - r->header_size);
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4
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304 #endif
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0
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305 }
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306
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307
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308 static u_char *ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
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309 uintptr_t data)
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310 {
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311 ngx_uint_t i;
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312 ngx_str_t *s;
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313 ngx_table_elt_t *h;
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314 ngx_http_log_op_t *op;
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315
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316 if (r) {
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317 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + data);
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318
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319 if (h == NULL) {
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320
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321 /* no header */
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322
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323 if (buf) {
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324 *buf = '-';
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325 }
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326
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327 return buf + 1;
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328 }
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329
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330 if (buf == NULL) {
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331 /* find the header length */
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332 return (u_char *) h->value.len;
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333 }
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334
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335 return ngx_cpymem(buf, h->value.data, h->value.len);
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336 }
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337
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338 /* find an offset while a format string compilation */
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339
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340 op = (ngx_http_log_op_t *) buf;
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341 s = (ngx_str_t *) data;
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342
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343 op->len = 0;
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344
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345 for (i = 0; ngx_http_headers_in[i].name.len != 0; i++) {
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346 if (ngx_http_headers_in[i].name.len != s->len) {
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347 continue;
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348 }
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349
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350 if (ngx_strncasecmp(ngx_http_headers_in[i].name.data, s->data, s->len)
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351 == 0)
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352 {
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353 op->op = ngx_http_log_header_in;
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354 op->data = ngx_http_headers_in[i].offset;
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355 return NULL;
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356 }
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357 }
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358
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359 op->op = ngx_http_log_unknown_header_in;
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360 op->data = (uintptr_t) s;
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361
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362 return NULL;
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363 }
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364
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365
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366 static u_char *ngx_http_log_unknown_header_in(ngx_http_request_t *r,
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367 u_char *buf, uintptr_t data)
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368 {
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369 ngx_uint_t i;
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370 ngx_str_t *s;
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371 ngx_list_part_t *part;
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372 ngx_table_elt_t *h;
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373
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374 s = (ngx_str_t *) data;
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375
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376 part = &r->headers_in.headers.part;
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377 h = part->elts;
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378
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379 for (i = 0; /* void */; i++) {
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380
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381 if (i >= part->nelts) {
|
|
|
382 if (part->next == NULL) {
|
|
|
383 break;
|
|
|
384 }
|
|
|
385
|
|
|
386 part = part->next;
|
|
|
387 h = part->elts;
|
|
|
388 i = 0;
|
|
|
389 }
|
|
|
390
|
|
|
391 if (h[i].key.len != s->len) {
|
|
|
392 continue;
|
|
|
393 }
|
|
|
394
|
|
|
395 if (ngx_strncasecmp(h[i].key.data, s->data, s->len) == 0) {
|
|
|
396 if (buf == NULL) {
|
|
|
397 /* find the header length */
|
|
|
398 return (u_char *) h[i].value.len;
|
|
|
399 }
|
|
|
400
|
|
|
401 return ngx_cpymem(buf, h[i].value.data, h[i].value.len);
|
|
|
402 }
|
|
|
403 }
|
|
|
404
|
|
|
405 /* no header */
|
|
|
406
|
|
|
407 if (buf) {
|
|
|
408 *buf = '-';
|
|
|
409 }
|
|
|
410
|
|
|
411 return buf + 1;
|
|
|
412 }
|
|
|
413
|
|
|
414
|
|
|
415 static u_char *ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
416 uintptr_t data)
|
|
|
417 {
|
|
|
418 ngx_uint_t i;
|
|
|
419 ngx_str_t *s;
|
|
|
420 ngx_table_elt_t *h;
|
|
|
421 ngx_http_log_op_t *op;
|
|
|
422
|
|
|
423 if (r) {
|
|
|
424
|
|
|
425 /* run-time execution */
|
|
|
426
|
|
|
427 if (r->http_version < NGX_HTTP_VERSION_10) {
|
|
|
428 if (buf) {
|
|
|
429 *buf = '-';
|
|
|
430 }
|
|
|
431
|
|
|
432 return buf + 1;
|
|
|
433 }
|
|
|
434
|
|
|
435 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + data);
|
|
|
436
|
|
|
437 if (h == NULL) {
|
|
|
438
|
|
|
439 /*
|
|
|
440 * No header pointer was found.
|
|
|
441 * However, some headers: "Date", "Server", "Content-Length",
|
|
|
442 * and "Last-Modified" have a special handling in the header filter
|
|
|
443 * but we do not set up their pointers in the filter because
|
|
|
444 * they are too seldom needed to be logged.
|
|
|
445 */
|
|
|
446
|
|
|
447 if (data == offsetof(ngx_http_headers_out_t, date)) {
|
|
|
448 if (buf == NULL) {
|
|
|
449 return (u_char *) ngx_cached_http_time.len;
|
|
|
450 }
|
|
|
451 return ngx_cpymem(buf, ngx_cached_http_time.data,
|
|
|
452 ngx_cached_http_time.len);
|
|
|
453 }
|
|
|
454
|
|
|
455 if (data == offsetof(ngx_http_headers_out_t, server)) {
|
|
|
456 if (buf == NULL) {
|
|
|
457 return (u_char *) (sizeof(NGINX_VER) - 1);
|
|
|
458 }
|
|
|
459 return ngx_cpymem(buf, NGINX_VER, sizeof(NGINX_VER) - 1);
|
|
|
460 }
|
|
|
461
|
|
|
462 if (data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
|
463 if (r->headers_out.content_length_n == -1) {
|
|
|
464 if (buf) {
|
|
|
465 *buf = '-';
|
|
|
466 }
|
|
|
467 return buf + 1;
|
|
|
468 }
|
|
|
469
|
|
|
470 if (buf == NULL) {
|
|
|
471 return (u_char *) NGX_OFF_T_LEN;
|
|
|
472 }
|
|
|
473 return buf + ngx_snprintf((char *) buf,
|
|
|
474 NGX_OFF_T_LEN + 2, OFF_T_FMT,
|
|
|
475 r->headers_out.content_length_n);
|
|
|
476 }
|
|
|
477
|
|
|
478 if (data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
|
479 if (r->headers_out.last_modified_time == -1) {
|
|
|
480 if (buf) {
|
|
|
481 *buf = '-';
|
|
|
482 }
|
|
|
483 return buf + 1;
|
|
|
484 }
|
|
|
485
|
|
|
486 if (buf == NULL) {
|
|
|
487 return (u_char *)
|
|
|
488 sizeof("Mon, 28 Sep 1970 06:00:00 GMT") - 1;
|
|
|
489 }
|
|
4
|
490 return ngx_http_time(buf, r->headers_out.last_modified_time);
|
|
0
|
491 }
|
|
|
492
|
|
|
493 if (buf) {
|
|
|
494 *buf = '-';
|
|
|
495 }
|
|
|
496
|
|
|
497 return buf + 1;
|
|
|
498 }
|
|
|
499
|
|
|
500 if (buf == NULL) {
|
|
|
501 /* find the header length */
|
|
|
502 return (u_char *) h->value.len;
|
|
|
503 }
|
|
|
504
|
|
|
505 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
506 }
|
|
|
507
|
|
|
508 /* find an offset while a format string compilation */
|
|
|
509
|
|
|
510 op = (ngx_http_log_op_t *) buf;
|
|
|
511 s = (ngx_str_t *) data;
|
|
|
512
|
|
|
513 op->len = 0;
|
|
|
514
|
|
|
515 for (i = 0; ngx_http_headers_out[i].name.len != 0; i++) {
|
|
|
516 if (ngx_http_headers_out[i].name.len != s->len) {
|
|
|
517 continue;
|
|
|
518 }
|
|
|
519
|
|
|
520 if (ngx_strncasecmp(ngx_http_headers_out[i].name.data, s->data, s->len)
|
|
|
521 == 0)
|
|
|
522 {
|
|
|
523 op->op = ngx_http_log_header_out;
|
|
|
524 op->data = ngx_http_headers_out[i].offset;
|
|
|
525 return NULL;
|
|
|
526 }
|
|
|
527 }
|
|
|
528
|
|
|
529 if (s->len == sizeof("Connection") - 1
|
|
|
530 && ngx_strncasecmp(s->data, "Connection", s->len) == 0)
|
|
|
531 {
|
|
|
532 op->op = ngx_http_log_connection_header_out;
|
|
|
533 op->data = (uintptr_t) NULL;
|
|
|
534 return NULL;
|
|
|
535 }
|
|
|
536
|
|
|
537 if (s->len == sizeof("Transfer-Encoding") - 1
|
|
|
538 && ngx_strncasecmp(s->data, "Transfer-Encoding", s->len) == 0) {
|
|
|
539 op->op = ngx_http_log_transfer_encoding_header_out;
|
|
|
540 op->data = (uintptr_t) NULL;
|
|
|
541 return NULL;
|
|
|
542 }
|
|
|
543
|
|
|
544 op->op = ngx_http_log_unknown_header_out;
|
|
|
545 op->data = (uintptr_t) s;
|
|
|
546
|
|
|
547 return NULL;
|
|
|
548 }
|
|
|
549
|
|
|
550
|
|
|
551 static u_char *ngx_http_log_connection_header_out(ngx_http_request_t *r,
|
|
|
552 u_char *buf, uintptr_t data)
|
|
|
553 {
|
|
|
554 if (buf == NULL) {
|
|
|
555 return (u_char *) ((r->keepalive) ? sizeof("keep-alive") - 1:
|
|
|
556 sizeof("close") - 1);
|
|
|
557 }
|
|
|
558
|
|
|
559 if (r->keepalive) {
|
|
|
560 return ngx_cpymem(buf, "keep-alive", sizeof("keep-alive") - 1);
|
|
|
561
|
|
|
562 } else {
|
|
|
563 return ngx_cpymem(buf, "close", sizeof("close") - 1);
|
|
|
564 }
|
|
|
565 }
|
|
|
566
|
|
|
567
|
|
|
568 static u_char *ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r,
|
|
|
569 u_char *buf,
|
|
|
570 uintptr_t data)
|
|
|
571 {
|
|
|
572 if (buf == NULL) {
|
|
|
573 return (u_char *) ((r->chunked) ? sizeof("chunked") - 1 : 1);
|
|
|
574 }
|
|
|
575
|
|
|
576 if (r->chunked) {
|
|
|
577 return ngx_cpymem(buf, "chunked", sizeof("chunked") - 1);
|
|
|
578 }
|
|
|
579
|
|
|
580 *buf = '-';
|
|
|
581
|
|
|
582 return buf + 1;
|
|
|
583 }
|
|
|
584
|
|
|
585
|
|
|
586 static u_char *ngx_http_log_unknown_header_out(ngx_http_request_t *r,
|
|
|
587 u_char *buf,
|
|
|
588 uintptr_t data)
|
|
|
589 {
|
|
|
590 ngx_uint_t i;
|
|
|
591 ngx_str_t *s;
|
|
|
592 ngx_list_part_t *part;
|
|
|
593 ngx_table_elt_t *h;
|
|
|
594
|
|
|
595 s = (ngx_str_t *) data;
|
|
|
596
|
|
|
597 part = &r->headers_out.headers.part;
|
|
|
598 h = part->elts;
|
|
|
599
|
|
|
600 for (i = 0; /* void */; i++) {
|
|
|
601
|
|
|
602 if (i >= part->nelts) {
|
|
|
603 if (part->next == NULL) {
|
|
|
604 break;
|
|
|
605 }
|
|
|
606
|
|
|
607 part = part->next;
|
|
|
608 h = part->elts;
|
|
|
609 i = 0;
|
|
|
610 }
|
|
|
611
|
|
|
612 if (h[i].key.len != s->len) {
|
|
|
613 continue;
|
|
|
614 }
|
|
|
615
|
|
|
616 if (ngx_strncasecmp(h[i].key.data, s->data, s->len) == 0) {
|
|
|
617 if (buf == NULL) {
|
|
|
618 /* find the header length */
|
|
|
619 return (u_char *) h[i].value.len;
|
|
|
620 }
|
|
|
621
|
|
|
622 return ngx_cpymem(buf, h[i].value.data, h[i].value.len);
|
|
|
623 }
|
|
|
624 }
|
|
|
625
|
|
|
626 /* no header */
|
|
|
627
|
|
|
628 if (buf) {
|
|
|
629 *buf = '-';
|
|
|
630 }
|
|
|
631
|
|
|
632 return buf + 1;
|
|
|
633 }
|
|
|
634
|
|
|
635
|
|
|
636 static ngx_int_t ngx_http_log_pre_conf(ngx_conf_t *cf)
|
|
|
637 {
|
|
|
638 ngx_http_log_op_name_t *op;
|
|
|
639
|
|
|
640 for (op = ngx_http_log_fmt_ops; op->name.len; op++) { /* void */ }
|
|
|
641 op->op = NULL;
|
|
|
642
|
|
|
643 return NGX_OK;
|
|
|
644 }
|
|
|
645
|
|
|
646
|
|
|
647 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf)
|
|
|
648 {
|
|
|
649 ngx_http_log_main_conf_t *conf;
|
|
|
650
|
|
|
651 char *rc;
|
|
|
652 ngx_str_t *value;
|
|
|
653
|
|
|
654 if (!(conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t)))) {
|
|
|
655 return NGX_CONF_ERROR;
|
|
|
656 }
|
|
|
657
|
|
|
658 ngx_init_array(conf->formats, cf->pool, 5, sizeof(ngx_http_log_fmt_t),
|
|
|
659 NGX_CONF_ERROR);
|
|
|
660
|
|
|
661 cf->args->nelts = 0;
|
|
|
662
|
|
|
663 if (!(value = ngx_push_array(cf->args))) {
|
|
|
664 return NGX_CONF_ERROR;
|
|
|
665 }
|
|
|
666
|
|
|
667 if (!(value = ngx_push_array(cf->args))) {
|
|
|
668 return NGX_CONF_ERROR;
|
|
|
669 }
|
|
|
670
|
|
|
671 value->len = sizeof("combined") - 1;
|
|
|
672 value->data = (u_char *) "combined";
|
|
|
673
|
|
|
674 if (!(value = ngx_push_array(cf->args))) {
|
|
|
675 return NGX_CONF_ERROR;
|
|
|
676 }
|
|
|
677
|
|
|
678 *value = ngx_http_combined_fmt;
|
|
|
679
|
|
|
680 rc = ngx_http_log_set_format(cf, NULL, conf);
|
|
|
681 if (rc != NGX_CONF_OK) {
|
|
|
682 return NULL;
|
|
|
683 }
|
|
|
684
|
|
|
685 return conf;
|
|
|
686 }
|
|
|
687
|
|
|
688
|
|
|
689 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf)
|
|
|
690 {
|
|
|
691 ngx_http_log_loc_conf_t *conf;
|
|
|
692
|
|
|
693 if (!(conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t)))) {
|
|
|
694 return NGX_CONF_ERROR;
|
|
|
695 }
|
|
|
696
|
|
|
697 return conf;
|
|
|
698 }
|
|
|
699
|
|
|
700
|
|
|
701 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
|
|
|
702 void *child)
|
|
|
703 {
|
|
|
704 ngx_http_log_loc_conf_t *prev = parent;
|
|
|
705 ngx_http_log_loc_conf_t *conf = child;
|
|
|
706
|
|
|
707 ngx_http_log_t *log;
|
|
|
708 ngx_http_log_fmt_t *fmt;
|
|
|
709 ngx_http_log_main_conf_t *lmcf;
|
|
|
710
|
|
|
711 if (conf->logs == NULL) {
|
|
|
712
|
|
|
713 if (conf->off) {
|
|
|
714 return NGX_CONF_OK;
|
|
|
715 }
|
|
|
716
|
|
|
717 if (prev->logs) {
|
|
|
718 conf->logs = prev->logs;
|
|
|
719
|
|
|
720 } else {
|
|
|
721
|
|
|
722 if (prev->off) {
|
|
|
723 conf->off = prev->off;
|
|
|
724 return NGX_CONF_OK;
|
|
|
725 }
|
|
|
726
|
|
|
727 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
728 if (conf->logs == NULL) {
|
|
|
729 return NGX_CONF_ERROR;
|
|
|
730 }
|
|
|
731
|
|
|
732 if (!(log = ngx_array_push(conf->logs))) {
|
|
|
733 return NGX_CONF_ERROR;
|
|
|
734 }
|
|
|
735
|
|
|
736 log->file = ngx_conf_open_file(cf->cycle, &http_access_log);
|
|
|
737 if (log->file == NULL) {
|
|
|
738 return NGX_CONF_ERROR;
|
|
|
739 }
|
|
|
740
|
|
|
741 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
742 fmt = lmcf->formats.elts;
|
|
|
743
|
|
|
744 /* the default "combined" format */
|
|
|
745 log->ops = fmt[0].ops;
|
|
|
746 }
|
|
|
747 }
|
|
|
748
|
|
|
749 return NGX_CONF_OK;
|
|
|
750 }
|
|
|
751
|
|
|
752
|
|
|
753 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
754 void *conf)
|
|
|
755 {
|
|
|
756 ngx_http_log_loc_conf_t *llcf = conf;
|
|
|
757
|
|
|
758 ngx_uint_t i;
|
|
|
759 ngx_str_t *value, name;
|
|
|
760 ngx_http_log_t *log;
|
|
|
761 ngx_http_log_fmt_t *fmt;
|
|
|
762 ngx_http_log_main_conf_t *lmcf;
|
|
|
763
|
|
|
764 value = cf->args->elts;
|
|
|
765
|
|
|
766 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
767 llcf->off = 1;
|
|
|
768 return NGX_CONF_OK;
|
|
|
769 }
|
|
|
770
|
|
|
771 if (llcf->logs == NULL) {
|
|
|
772 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
773 if (llcf->logs == NULL) {
|
|
|
774 return NGX_CONF_ERROR;
|
|
|
775 }
|
|
|
776 }
|
|
|
777
|
|
|
778 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
779
|
|
|
780 if (!(log = ngx_array_push(llcf->logs))) {
|
|
|
781 return NGX_CONF_ERROR;
|
|
|
782 }
|
|
|
783
|
|
|
784 if (!(log->file = ngx_conf_open_file(cf->cycle, &value[1]))) {
|
|
|
785 return NGX_CONF_ERROR;
|
|
|
786 }
|
|
|
787
|
|
|
788 if (cf->args->nelts == 3) {
|
|
|
789 name = value[2];
|
|
|
790 } else {
|
|
|
791 name.len = sizeof("combined") - 1;
|
|
|
792 name.data = (u_char *) "combined";
|
|
|
793 }
|
|
|
794
|
|
|
795 fmt = lmcf->formats.elts;
|
|
|
796 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
797 if (fmt[i].name.len == name.len
|
|
|
798 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0)
|
|
|
799 {
|
|
|
800 log->ops = fmt[i].ops;
|
|
|
801 return NGX_CONF_OK;
|
|
|
802 }
|
|
|
803 }
|
|
|
804
|
|
|
805 return NGX_CONF_OK;
|
|
|
806 }
|
|
|
807
|
|
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808
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809 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
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810 void *conf)
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811 {
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812 ngx_http_log_main_conf_t *lmcf = conf;
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813
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814 ngx_uint_t s, f, invalid;
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815 u_char *data, *p, *fname;
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816 size_t i, len, fname_len;
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817 ngx_str_t *value, arg, *a;
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818 ngx_http_log_op_t *op;
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819 ngx_http_log_fmt_t *fmt;
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820 ngx_http_log_op_name_t *name;
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821
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822 value = cf->args->elts;
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823
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824 fmt = lmcf->formats.elts;
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825 for (f = 0; f < lmcf->formats.nelts; f++) {
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826 if (fmt[f].name.len == value[1].len
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827 && ngx_strcmp(fmt->name.data, value[1].data) == 0)
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828 {
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829 return "duplicate \"log_format\" name";
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830 }
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831 }
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832
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833 if (!(fmt = ngx_push_array(&lmcf->formats))) {
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834 return NGX_CONF_ERROR;
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835 }
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836
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837 fmt->name = value[1];
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838
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839 if (!(fmt->ops = ngx_create_array(cf->pool, 20,
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840 sizeof(ngx_http_log_op_t)))) {
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841 return NGX_CONF_ERROR;
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842 }
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843
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844 invalid = 0;
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845 data = NULL;
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846
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847 for (s = 2; s < cf->args->nelts && !invalid; s++) {
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848
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849 i = 0;
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850
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851 while (i < value[s].len) {
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852
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853 if (!(op = ngx_push_array(fmt->ops))) {
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854 return NGX_CONF_ERROR;
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855 }
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856
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857 data = &value[s].data[i];
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858
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859 if (value[s].data[i] == '%') {
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860 i++;
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861
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862 if (i == value[s].len) {
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863 invalid = 1;
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864 break;
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865 }
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866
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867 if (value[s].data[i] == '{') {
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868 i++;
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869
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870 arg.data = &value[s].data[i];
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871
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872 while (i < value[s].len && value[s].data[i] != '}') {
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873 i++;
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874 }
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875
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876 arg.len = &value[s].data[i] - arg.data;
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877
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878 if (i == value[s].len || arg.len == 0) {
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879 invalid = 1;
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880 break;
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881 }
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882
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883 i++;
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884
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885 } else {
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886 arg.len = 0;
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887 }
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888
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889 fname = &value[s].data[i];
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890
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891 while (i < value[s].len
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892 && ((value[s].data[i] >= 'a' && value[s].data[i] <= 'z')
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893 || value[s].data[i] == '_'))
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894 {
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895 i++;
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896 }
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897
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898 fname_len = &value[s].data[i] - fname;
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899
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900 if (fname_len == 0) {
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901 invalid = 1;
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902 break;
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903 }
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904
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905 for (name = ngx_http_log_fmt_ops; name->op; name++) {
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906 if (name->name.len == 0) {
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907 name = (ngx_http_log_op_name_t *) name->op;
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908 }
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909
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910 if (name->name.len == fname_len
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911 && ngx_strncmp(name->name.data, fname, fname_len) == 0)
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912 {
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913 if (name->len != NGX_HTTP_LOG_ARG) {
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914 if (arg.len) {
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915 fname[fname_len] = '\0';
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916 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
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917 "\"%s\" must not have argument",
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918 data);
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919 return NGX_CONF_ERROR;
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920 }
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921
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922 op->len = name->len;
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923 op->op = name->op;
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924 op->data = 0;
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925
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926 break;
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927 }
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928
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929 if (arg.len == 0) {
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930 fname[fname_len] = '\0';
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931 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
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932 "\"%s\" requires argument",
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933 data);
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934 return NGX_CONF_ERROR;
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935 }
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936
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937 if (!(a = ngx_palloc(cf->pool, sizeof(ngx_str_t)))) {
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938 return NGX_CONF_ERROR;
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939 }
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940
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941 *a = arg;
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942 name->op(NULL, (u_char *) op, (uintptr_t) a);
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943
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944 break;
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945 }
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946 }
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947
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948 if (name->name.len == 0) {
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949 invalid = 1;
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950 break;
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951 }
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952
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953 } else {
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954 i++;
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955
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956 while (i < value[s].len && value[s].data[i] != '%') {
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957 i++;
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958 }
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959
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960 len = &value[s].data[i] - data;
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961
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962 if (len) {
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963
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964 op->len = len;
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965
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966 if (len <= sizeof(uintptr_t)) {
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967 op->op = NGX_HTTP_LOG_COPY_SHORT;
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968 op->data = 0;
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969
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970 while (len--) {
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971 op->data <<= 8;
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972 op->data |= data[len];
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973 }
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974
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975 } else {
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976 op->op = NGX_HTTP_LOG_COPY_LONG;
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977
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978 if (!(p = ngx_palloc(cf->pool, len))) {
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979 return NGX_CONF_ERROR;
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980 }
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981
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982 ngx_memcpy(p, data, len);
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983 op->data = (uintptr_t) p;
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984 }
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985 }
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986 }
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987 }
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988 }
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989
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990 if (invalid) {
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991 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
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992 "invalid parameter \"%s\"", data);
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993 return NGX_CONF_ERROR;
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994 }
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995
|
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996 return NGX_CONF_OK;
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997 }
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