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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_event.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 ngx_int_t ngx_add_inherited_sockets(ngx_cycle_t *cycle);
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2
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14 static ngx_int_t ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv);
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15 static ngx_int_t ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv);
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0
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16 static void *ngx_core_module_create_conf(ngx_cycle_t *cycle);
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17 static char *ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf);
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18 static char *ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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22
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19 static char *ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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0
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20
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21
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10
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22 static ngx_conf_enum_t ngx_debug_points[] = {
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23 { ngx_string("stop"), NGX_DEBUG_POINTS_STOP },
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24 { ngx_string("abort"), NGX_DEBUG_POINTS_ABORT },
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25 { ngx_null_string, 0 }
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26 };
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27
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28
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0
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29 static ngx_command_t ngx_core_commands[] = {
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30
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31 { ngx_string("daemon"),
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32 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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33 ngx_conf_set_flag_slot,
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34 0,
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35 offsetof(ngx_core_conf_t, daemon),
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36 NULL },
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37
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38 { ngx_string("master_process"),
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39 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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40 ngx_conf_set_flag_slot,
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41 0,
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42 offsetof(ngx_core_conf_t, master),
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43 NULL },
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44
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92
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45 { ngx_string("pid"),
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46 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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47 ngx_conf_set_str_slot,
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48 0,
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49 offsetof(ngx_core_conf_t, pid),
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50 NULL },
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51
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0
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52 { ngx_string("worker_processes"),
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53 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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54 ngx_conf_set_num_slot,
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55 0,
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56 offsetof(ngx_core_conf_t, worker_processes),
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57 NULL },
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58
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10
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59 { ngx_string("debug_points"),
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60 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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61 ngx_conf_set_enum_slot,
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62 0,
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63 offsetof(ngx_core_conf_t, debug_points),
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64 &ngx_debug_points },
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65
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92
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66 { ngx_string("user"),
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67 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE12,
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68 ngx_set_user,
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69 0,
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70 0,
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71 NULL },
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72
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73 { ngx_string("worker_priority"),
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74 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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75 ngx_set_priority,
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76 0,
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77 0,
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78 NULL },
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79
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80 { ngx_string("worker_rlimit_nofile"),
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81 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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82 ngx_conf_set_num_slot,
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83 0,
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84 offsetof(ngx_core_conf_t, rlimit_nofile),
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85 NULL },
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86
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87 { ngx_string("worker_rlimit_sigpending"),
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88 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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89 ngx_conf_set_num_slot,
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90 0,
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91 offsetof(ngx_core_conf_t, rlimit_sigpending),
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92 NULL },
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93
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94 { ngx_string("working_directory"),
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95 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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96 ngx_conf_set_str_slot,
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97 0,
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98 offsetof(ngx_core_conf_t, working_directory),
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99 NULL },
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100
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0
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101 #if (NGX_THREADS)
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102
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103 { ngx_string("worker_threads"),
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104 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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105 ngx_conf_set_num_slot,
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106 0,
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107 offsetof(ngx_core_conf_t, worker_threads),
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108 NULL },
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109
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110 { ngx_string("thread_stack_size"),
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111 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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112 ngx_conf_set_size_slot,
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113 0,
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114 offsetof(ngx_core_conf_t, thread_stack_size),
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115 NULL },
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116
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117 #endif
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118
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119 ngx_null_command
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120 };
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121
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122
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123 static ngx_core_module_t ngx_core_module_ctx = {
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124 ngx_string("core"),
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125 ngx_core_module_create_conf,
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126 ngx_core_module_init_conf
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127 };
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128
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129
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130 ngx_module_t ngx_core_module = {
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58
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131 NGX_MODULE_V1,
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0
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132 &ngx_core_module_ctx, /* module context */
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133 ngx_core_commands, /* module directives */
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134 NGX_CORE_MODULE, /* module type */
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90
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135 NULL, /* init master */
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0
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136 NULL, /* init module */
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90
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137 NULL, /* init process */
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138 NULL, /* init thread */
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139 NULL, /* exit thread */
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140 NULL, /* exit process */
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141 NULL, /* exit master */
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142 NGX_MODULE_V1_PADDING
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0
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143 };
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144
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145
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146 ngx_uint_t ngx_max_module;
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147
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148
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52
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149 int ngx_cdecl
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48
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150 main(int argc, char *const *argv)
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0
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151 {
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2
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152 ngx_int_t i;
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153 ngx_log_t *log;
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154 ngx_cycle_t *cycle, init_cycle;
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155 ngx_core_conf_t *ccf;
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0
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156
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4
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157 #if (NGX_FREEBSD)
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0
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158 ngx_debug_init();
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159 #endif
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160
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161 /* TODO */ ngx_max_sockets = -1;
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162
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163 ngx_time_init();
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164
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4
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165 #if (NGX_PCRE)
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0
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166 ngx_regex_init();
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167 #endif
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168
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169 ngx_pid = ngx_getpid();
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170
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50
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171 log = ngx_log_init();
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172 if (log == NULL) {
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0
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173 return 1;
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174 }
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175
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90
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176 /* STUB */
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0
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177 #if (NGX_OPENSSL)
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178 ngx_ssl_init(log);
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179 #endif
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180
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181 /* init_cycle->log is required for signal handlers and ngx_getopt() */
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182
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183 ngx_memzero(&init_cycle, sizeof(ngx_cycle_t));
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184 init_cycle.log = log;
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185 ngx_cycle = &init_cycle;
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186
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50
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187 init_cycle.pool = ngx_create_pool(1024, log);
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188 if (init_cycle.pool == NULL) {
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0
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189 return 1;
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190 }
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191
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4
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192 if (ngx_save_argv(&init_cycle, argc, argv) == NGX_ERROR) {
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2
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193 return 1;
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194 }
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195
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4
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196 if (ngx_getopt(&init_cycle, argc, ngx_argv) == NGX_ERROR) {
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0
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197 return 1;
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198 }
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199
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200 if (ngx_test_config) {
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201 log->log_level = NGX_LOG_INFO;
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202 }
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203
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204 if (ngx_os_init(log) == NGX_ERROR) {
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205 return 1;
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206 }
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207
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208 if (ngx_add_inherited_sockets(&init_cycle) == NGX_ERROR) {
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209 return 1;
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210 }
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211
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212 ngx_max_module = 0;
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213 for (i = 0; ngx_modules[i]; i++) {
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214 ngx_modules[i]->index = ngx_max_module++;
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215 }
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216
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217 cycle = ngx_init_cycle(&init_cycle);
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218 if (cycle == NULL) {
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219 if (ngx_test_config) {
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220 ngx_log_error(NGX_LOG_EMERG, log, 0,
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10
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221 "the configuration file \"%s\" test failed",
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0
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222 init_cycle.conf_file.data);
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223 }
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224
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225 return 1;
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226 }
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227
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228 if (ngx_test_config) {
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229 ngx_log_error(NGX_LOG_INFO, log, 0,
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10
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230 "the configuration file \"%s\" was tested successfully",
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4
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231 cycle->conf_file.data);
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0
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232 return 0;
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233 }
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234
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235 ngx_os_status(cycle->log);
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236
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237 ngx_cycle = cycle;
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238
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239 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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240
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241 ngx_process = ccf->master ? NGX_PROCESS_MASTER : NGX_PROCESS_SINGLE;
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242
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10
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243 #if (NGX_WIN32)
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0
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244
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245 #if 0
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246
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247 TODO:
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248
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249 if (ccf->run_as_service) {
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250 if (ngx_service(cycle->log) == NGX_ERROR) {
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251 return 1;
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252 }
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253
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254 return 0;
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255 }
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256 #endif
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257
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258 #else
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259
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88
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260 if (ngx_init_signals(cycle->log) == NGX_ERROR) {
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261 return 1;
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262 }
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263
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0
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264 if (!ngx_inherited && ccf->daemon) {
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265 if (ngx_daemon(cycle->log) == NGX_ERROR) {
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266 return 1;
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267 }
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268
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269 ngx_daemonized = 1;
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270 }
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271
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272 if (ngx_create_pidfile(cycle, NULL) == NGX_ERROR) {
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273 return 1;
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274 }
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275
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276 #endif
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277
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278 if (ngx_process == NGX_PROCESS_MASTER) {
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2
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279 ngx_master_process_cycle(cycle);
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0
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280
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281 } else {
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2
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282 ngx_single_process_cycle(cycle);
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0
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283 }
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284
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285 return 0;
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286 }
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287
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288
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48
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289 static ngx_int_t
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290 ngx_add_inherited_sockets(ngx_cycle_t *cycle)
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0
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291 {
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50
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292 u_char *p, *v, *inherited;
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293 ngx_int_t s;
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294 ngx_listening_t *ls;
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0
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295
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296 inherited = (u_char *) getenv(NGINX_VAR);
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297
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298 if (inherited == NULL) {
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299 return NGX_OK;
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300 }
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301
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10
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302 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
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0
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303 "using inherited sockets from \"%s\"", inherited);
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304
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10
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305 if (ngx_array_init(&cycle->listening, cycle->pool, 10,
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306 sizeof(ngx_listening_t)) == NGX_ERROR)
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307 {
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308 return NGX_ERROR;
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309 }
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0
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310
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311 for (p = inherited, v = p; *p; p++) {
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312 if (*p == ':' || *p == ';') {
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313 s = ngx_atoi(v, p - v);
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314 if (s == NGX_ERROR) {
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315 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
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86
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316 "invalid socket number \"%s\" in " NGINX_VAR
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317 " environment variable, ignoring the rest"
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318 " of the variable", v);
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0
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319 break;
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320 }
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321
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322 v = p + 1;
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323
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50
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324 ls = ngx_array_push(&cycle->listening);
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325 if (ls == NULL) {
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0
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326 return NGX_ERROR;
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327 }
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328
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72
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329 ngx_memzero(ls, sizeof(ngx_listening_t));
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330
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50
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331 ls->fd = (ngx_socket_t) s;
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0
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332 }
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333 }
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334
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335 ngx_inherited = 1;
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336
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337 return ngx_set_inherited_sockets(cycle);
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338 }
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339
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340
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92
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341 ngx_pid_t
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342 ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv)
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0
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343 {
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10
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344 char *env[3], *var;
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345 u_char *p;
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0
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346 ngx_uint_t i;
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347 ngx_pid_t pid;
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348 ngx_exec_ctx_t ctx;
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92
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349 ngx_core_conf_t *ccf;
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0
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350 ngx_listening_t *ls;
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351
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352 ctx.path = argv[0];
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353 ctx.name = "new binary process";
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354 ctx.argv = argv;
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355
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356 var = ngx_alloc(sizeof(NGINX_VAR)
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50
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357 + cycle->listening.nelts * (NGX_INT32_LEN + 1) + 2,
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0
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358 cycle->log);
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359
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10
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360 p = ngx_cpymem(var, NGINX_VAR "=", sizeof(NGINX_VAR));
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0
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361
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362 ls = cycle->listening.elts;
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363 for (i = 0; i < cycle->listening.nelts; i++) {
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10
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364 p = ngx_sprintf(p, "%ud;", ls[i].fd);
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0
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365 }
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366
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10
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367 *p = '\0';
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368
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0
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369 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, "inherited: %s", var);
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370
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371 env[0] = var;
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2
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372
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373 #if (NGX_SETPROCTITLE_USES_ENV)
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374
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10
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375 /* allocate the spare 300 bytes for the new binary process title */
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2
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376
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377 env[1] = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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378 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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379 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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380 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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381 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
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382
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383 env[2] = NULL;
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384
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385 #else
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386
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0
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387 env[1] = NULL;
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2
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388
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389 #endif
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390
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0
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391 ctx.envp = (char *const *) &env;
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392
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92
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393 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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394
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395 if (ngx_rename_file((char *) ccf->pid.data, (char *) ccf->oldpid.data)
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396 != NGX_OK)
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397 {
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398 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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399 ngx_rename_file_n " %s to %s failed "
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400 "before executing new binary process \"%s\"",
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401 ccf->pid.data, ccf->oldpid.data, argv[0]);
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402
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403 ngx_free(var);
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404
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|
|
405 return NGX_INVALID_PID;
|
|
|
406 }
|
|
|
407
|
|
0
|
408 pid = ngx_execute(cycle, &ctx);
|
|
|
409
|
|
92
|
410 if (pid == NGX_INVALID_PID) {
|
|
|
411 if (ngx_rename_file((char *) ccf->oldpid.data, (char *) ccf->pid.data)
|
|
|
412 != NGX_OK)
|
|
|
413 {
|
|
|
414 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
415 ngx_rename_file_n " %s back to %s failed "
|
|
|
416 "after try to executing new binary process \"%s\"",
|
|
|
417 ccf->oldpid.data, ccf->pid.data, argv[0]);
|
|
|
418 }
|
|
|
419 }
|
|
|
420
|
|
0
|
421 ngx_free(var);
|
|
|
422
|
|
|
423 return pid;
|
|
|
424 }
|
|
|
425
|
|
|
426
|
|
92
|
427 static ngx_int_t
|
|
|
428 ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
0
|
429 {
|
|
|
430 ngx_int_t i;
|
|
|
431
|
|
2
|
432 for (i = 1; i < argc; i++) {
|
|
|
433 if (argv[i][0] != '-') {
|
|
0
|
434 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
2
|
435 "invalid option: \"%s\"", argv[i]);
|
|
0
|
436 return NGX_ERROR;
|
|
|
437 }
|
|
|
438
|
|
2
|
439 switch (argv[i][1]) {
|
|
0
|
440
|
|
|
441 case 't':
|
|
|
442 ngx_test_config = 1;
|
|
|
443 break;
|
|
|
444
|
|
|
445 case 'c':
|
|
2
|
446 if (argv[i + 1] == NULL) {
|
|
0
|
447 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
448 "the option: \"%s\" requires file name",
|
|
2
|
449 argv[i]);
|
|
0
|
450 return NGX_ERROR;
|
|
|
451 }
|
|
|
452
|
|
2
|
453 cycle->conf_file.data = (u_char *) argv[++i];
|
|
0
|
454 cycle->conf_file.len = ngx_strlen(cycle->conf_file.data);
|
|
|
455 break;
|
|
|
456
|
|
|
457 default:
|
|
|
458 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
2
|
459 "invalid option: \"%s\"", argv[i]);
|
|
0
|
460 return NGX_ERROR;
|
|
|
461 }
|
|
|
462 }
|
|
|
463
|
|
|
464 if (cycle->conf_file.data == NULL) {
|
|
|
465 cycle->conf_file.len = sizeof(NGX_CONF_PATH) - 1;
|
|
|
466 cycle->conf_file.data = (u_char *) NGX_CONF_PATH;
|
|
|
467 }
|
|
|
468
|
|
|
469 if (ngx_conf_full_name(cycle, &cycle->conf_file) == NGX_ERROR) {
|
|
|
470 return NGX_ERROR;
|
|
|
471 }
|
|
|
472
|
|
|
473 return NGX_OK;
|
|
|
474 }
|
|
|
475
|
|
|
476
|
|
48
|
477 static ngx_int_t
|
|
|
478 ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
2
|
479 {
|
|
50
|
480 #if (NGX_FREEBSD)
|
|
|
481
|
|
|
482 ngx_os_argv = (char **) argv;
|
|
|
483 ngx_argc = argc;
|
|
|
484 ngx_argv = (char **) argv;
|
|
|
485
|
|
|
486 #else
|
|
2
|
487 size_t len;
|
|
|
488 ngx_int_t i;
|
|
|
489
|
|
|
490 ngx_os_argv = (char **) argv;
|
|
|
491 ngx_argc = argc;
|
|
|
492
|
|
50
|
493 ngx_argv = ngx_alloc((argc + 1) * sizeof(char *), cycle->log);
|
|
|
494 if (ngx_argv == NULL) {
|
|
2
|
495 return NGX_ERROR;
|
|
|
496 }
|
|
|
497
|
|
|
498 for (i = 0; i < argc; i++) {
|
|
|
499 len = ngx_strlen(argv[i]) + 1;
|
|
|
500
|
|
50
|
501 ngx_argv[i] = ngx_alloc(len, cycle->log);
|
|
|
502 if (ngx_argv[i] == NULL) {
|
|
2
|
503 return NGX_ERROR;
|
|
|
504 }
|
|
|
505
|
|
66
|
506 (void) ngx_cpystrn((u_char *) ngx_argv[i], (u_char *) argv[i], len);
|
|
2
|
507 }
|
|
|
508
|
|
|
509 ngx_argv[i] = NULL;
|
|
|
510
|
|
|
511 #endif
|
|
|
512
|
|
|
513 return NGX_OK;
|
|
|
514 }
|
|
|
515
|
|
|
516
|
|
48
|
517 static void *
|
|
|
518 ngx_core_module_create_conf(ngx_cycle_t *cycle)
|
|
0
|
519 {
|
|
|
520 ngx_core_conf_t *ccf;
|
|
|
521
|
|
50
|
522 ccf = ngx_pcalloc(cycle->pool, sizeof(ngx_core_conf_t));
|
|
|
523 if (ccf == NULL) {
|
|
0
|
524 return NULL;
|
|
|
525 }
|
|
28
|
526
|
|
|
527 /*
|
|
|
528 * set by pcalloc()
|
|
0
|
529 *
|
|
28
|
530 * ccf->pid = NULL;
|
|
92
|
531 * ccf->oldpid = NULL;
|
|
28
|
532 * ccf->priority = 0;
|
|
0
|
533 */
|
|
28
|
534
|
|
0
|
535 ccf->daemon = NGX_CONF_UNSET;
|
|
|
536 ccf->master = NGX_CONF_UNSET;
|
|
|
537 ccf->worker_processes = NGX_CONF_UNSET;
|
|
10
|
538 ccf->debug_points = NGX_CONF_UNSET;
|
|
92
|
539
|
|
|
540 ccf->rlimit_nofile = NGX_CONF_UNSET;
|
|
|
541 ccf->rlimit_sigpending = NGX_CONF_UNSET;
|
|
|
542
|
|
66
|
543 ccf->user = (ngx_uid_t) NGX_CONF_UNSET_UINT;
|
|
|
544 ccf->group = (ngx_gid_t) NGX_CONF_UNSET_UINT;
|
|
92
|
545
|
|
0
|
546 #if (NGX_THREADS)
|
|
|
547 ccf->worker_threads = NGX_CONF_UNSET;
|
|
10
|
548 ccf->thread_stack_size = NGX_CONF_UNSET_SIZE;
|
|
0
|
549 #endif
|
|
|
550
|
|
|
551 return ccf;
|
|
|
552 }
|
|
|
553
|
|
|
554
|
|
48
|
555 static char *
|
|
|
556 ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf)
|
|
0
|
557 {
|
|
|
558 ngx_core_conf_t *ccf = conf;
|
|
|
559
|
|
10
|
560 #if !(NGX_WIN32)
|
|
0
|
561 struct passwd *pwd;
|
|
|
562 struct group *grp;
|
|
|
563 #endif
|
|
|
564
|
|
|
565 ngx_conf_init_value(ccf->daemon, 1);
|
|
|
566 ngx_conf_init_value(ccf->master, 1);
|
|
|
567 ngx_conf_init_value(ccf->worker_processes, 1);
|
|
10
|
568 ngx_conf_init_value(ccf->debug_points, 0);
|
|
0
|
569
|
|
|
570 #if (NGX_THREADS)
|
|
|
571 ngx_conf_init_value(ccf->worker_threads, 0);
|
|
|
572 ngx_threads_n = ccf->worker_threads;
|
|
|
573 ngx_conf_init_size_value(ccf->thread_stack_size, 2 * 1024 * 1024);
|
|
|
574 #endif
|
|
|
575
|
|
10
|
576 #if !(NGX_WIN32)
|
|
0
|
577
|
|
66
|
578 if (ccf->user == (uid_t) NGX_CONF_UNSET_UINT && geteuid() == 0) {
|
|
0
|
579
|
|
4
|
580 pwd = getpwnam(NGX_USER);
|
|
0
|
581 if (pwd == NULL) {
|
|
|
582 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
583 "getpwnam(\"" NGX_USER "\") failed");
|
|
0
|
584 return NGX_CONF_ERROR;
|
|
|
585 }
|
|
|
586
|
|
22
|
587 ccf->username = NGX_USER;
|
|
0
|
588 ccf->user = pwd->pw_uid;
|
|
|
589
|
|
4
|
590 grp = getgrnam(NGX_GROUP);
|
|
0
|
591 if (grp == NULL) {
|
|
|
592 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
593 "getgrnam(\"" NGX_GROUP "\") failed");
|
|
0
|
594 return NGX_CONF_ERROR;
|
|
|
595 }
|
|
|
596
|
|
|
597 ccf->group = grp->gr_gid;
|
|
|
598 }
|
|
|
599
|
|
|
600 if (ccf->pid.len == 0) {
|
|
|
601 ccf->pid.len = sizeof(NGX_PID_PATH) - 1;
|
|
2
|
602 ccf->pid.data = (u_char *) NGX_PID_PATH;
|
|
0
|
603 }
|
|
|
604
|
|
|
605 if (ngx_conf_full_name(cycle, &ccf->pid) == NGX_ERROR) {
|
|
|
606 return NGX_CONF_ERROR;
|
|
|
607 }
|
|
|
608
|
|
92
|
609 ccf->oldpid.len = ccf->pid.len + sizeof(NGX_OLDPID_EXT);
|
|
0
|
610
|
|
92
|
611 ccf->oldpid.data = ngx_palloc(cycle->pool, ccf->oldpid.len);
|
|
|
612 if (ccf->oldpid.data == NULL) {
|
|
0
|
613 return NGX_CONF_ERROR;
|
|
|
614 }
|
|
|
615
|
|
92
|
616 ngx_memcpy(ngx_cpymem(ccf->oldpid.data, ccf->pid.data, ccf->pid.len),
|
|
|
617 NGX_OLDPID_EXT, sizeof(NGX_OLDPID_EXT));
|
|
0
|
618
|
|
|
619 #endif
|
|
|
620
|
|
|
621 return NGX_CONF_OK;
|
|
|
622 }
|
|
|
623
|
|
|
624
|
|
48
|
625 static char *
|
|
|
626 ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
0
|
627 {
|
|
10
|
628 #if (NGX_WIN32)
|
|
0
|
629
|
|
|
630 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
631 "\"user\" is not supported, ignored");
|
|
|
632
|
|
|
633 return NGX_CONF_OK;
|
|
|
634
|
|
|
635 #else
|
|
|
636
|
|
|
637 ngx_core_conf_t *ccf = conf;
|
|
|
638
|
|
4
|
639 char *group;
|
|
0
|
640 struct passwd *pwd;
|
|
|
641 struct group *grp;
|
|
|
642 ngx_str_t *value;
|
|
|
643
|
|
66
|
644 if (ccf->user != (uid_t) NGX_CONF_UNSET_UINT) {
|
|
0
|
645 return "is duplicate";
|
|
|
646 }
|
|
|
647
|
|
4
|
648 if (geteuid() != 0) {
|
|
|
649 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
650 "the \"user\" directive makes sense only "
|
|
|
651 "if the master process runs "
|
|
|
652 "with super-user privileges, ignored");
|
|
|
653 return NGX_CONF_OK;
|
|
|
654 }
|
|
|
655
|
|
0
|
656 value = (ngx_str_t *) cf->args->elts;
|
|
|
657
|
|
22
|
658 ccf->username = (char *) value[1].data;
|
|
|
659
|
|
0
|
660 pwd = getpwnam((const char *) value[1].data);
|
|
|
661 if (pwd == NULL) {
|
|
|
662 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
2
|
663 "getpwnam(\"%s\") failed", value[1].data);
|
|
0
|
664 return NGX_CONF_ERROR;
|
|
|
665 }
|
|
|
666
|
|
|
667 ccf->user = pwd->pw_uid;
|
|
|
668
|
|
4
|
669 group = (char *) ((cf->args->nelts == 2) ? value[1].data : value[2].data);
|
|
0
|
670
|
|
4
|
671 grp = getgrnam(group);
|
|
0
|
672 if (grp == NULL) {
|
|
|
673 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
4
|
674 "getgrnam(\"%s\") failed", group);
|
|
0
|
675 return NGX_CONF_ERROR;
|
|
|
676 }
|
|
|
677
|
|
|
678 ccf->group = grp->gr_gid;
|
|
|
679
|
|
|
680 return NGX_CONF_OK;
|
|
|
681
|
|
|
682 #endif
|
|
|
683 }
|
|
22
|
684
|
|
|
685
|
|
48
|
686 static char *
|
|
|
687 ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
22
|
688 {
|
|
|
689 ngx_core_conf_t *ccf = conf;
|
|
|
690
|
|
|
691 ngx_str_t *value;
|
|
|
692 ngx_uint_t n, minus;
|
|
|
693
|
|
|
694 if (ccf->priority != 0) {
|
|
|
695 return "is duplicate";
|
|
|
696 }
|
|
|
697
|
|
|
698 value = cf->args->elts;
|
|
|
699
|
|
|
700 if (value[1].data[0] == '-') {
|
|
|
701 n = 1;
|
|
|
702 minus = 1;
|
|
|
703
|
|
|
704 } else if (value[1].data[0] == '+') {
|
|
|
705 n = 1;
|
|
|
706 minus = 0;
|
|
|
707
|
|
|
708 } else {
|
|
|
709 n = 0;
|
|
|
710 minus = 0;
|
|
|
711 }
|
|
|
712
|
|
|
713 ccf->priority = ngx_atoi(&value[1].data[n], value[1].len - n);
|
|
|
714 if (ccf->priority == NGX_ERROR) {
|
|
|
715 return "invalid number";
|
|
|
716 }
|
|
|
717
|
|
|
718 if (minus) {
|
|
|
719 ccf->priority = -ccf->priority;
|
|
|
720 }
|
|
|
721
|
|
|
722 return NGX_CONF_OK;
|
|
|
723 }
|
