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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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112
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32 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG,
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0
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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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112
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39 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG,
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0
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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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112
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45 { ngx_string("timer_resolution"),
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46 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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47 ngx_conf_set_msec_slot,
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48 0,
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49 offsetof(ngx_core_conf_t, timer_resolution),
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50 NULL },
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51
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92
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52 { ngx_string("pid"),
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53 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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54 ngx_conf_set_str_slot,
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55 0,
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56 offsetof(ngx_core_conf_t, pid),
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57 NULL },
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58
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0
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59 { ngx_string("worker_processes"),
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60 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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61 ngx_conf_set_num_slot,
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62 0,
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63 offsetof(ngx_core_conf_t, worker_processes),
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64 NULL },
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65
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10
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66 { ngx_string("debug_points"),
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67 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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68 ngx_conf_set_enum_slot,
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69 0,
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70 offsetof(ngx_core_conf_t, debug_points),
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71 &ngx_debug_points },
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72
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92
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73 { ngx_string("user"),
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74 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE12,
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75 ngx_set_user,
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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_priority"),
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81 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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82 ngx_set_priority,
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83 0,
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84 0,
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85 NULL },
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86
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87 { ngx_string("worker_rlimit_nofile"),
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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_nofile),
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92 NULL },
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93
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94 { ngx_string("worker_rlimit_sigpending"),
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95 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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96 ngx_conf_set_num_slot,
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97 0,
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98 offsetof(ngx_core_conf_t, rlimit_sigpending),
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99 NULL },
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100
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101 { ngx_string("working_directory"),
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102 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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103 ngx_conf_set_str_slot,
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104 0,
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105 offsetof(ngx_core_conf_t, working_directory),
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106 NULL },
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107
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0
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108 #if (NGX_THREADS)
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109
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110 { ngx_string("worker_threads"),
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111 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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112 ngx_conf_set_num_slot,
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113 0,
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114 offsetof(ngx_core_conf_t, worker_threads),
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115 NULL },
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116
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117 { ngx_string("thread_stack_size"),
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118 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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119 ngx_conf_set_size_slot,
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120 0,
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121 offsetof(ngx_core_conf_t, thread_stack_size),
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122 NULL },
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123
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124 #endif
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125
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126 ngx_null_command
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127 };
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128
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129
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130 static ngx_core_module_t ngx_core_module_ctx = {
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131 ngx_string("core"),
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132 ngx_core_module_create_conf,
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133 ngx_core_module_init_conf
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134 };
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135
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136
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137 ngx_module_t ngx_core_module = {
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58
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138 NGX_MODULE_V1,
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0
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139 &ngx_core_module_ctx, /* module context */
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140 ngx_core_commands, /* module directives */
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141 NGX_CORE_MODULE, /* module type */
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90
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142 NULL, /* init master */
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0
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143 NULL, /* init module */
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90
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144 NULL, /* init process */
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145 NULL, /* init thread */
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146 NULL, /* exit thread */
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147 NULL, /* exit process */
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148 NULL, /* exit master */
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149 NGX_MODULE_V1_PADDING
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0
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150 };
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151
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152
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153 ngx_uint_t ngx_max_module;
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154
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155
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52
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156 int ngx_cdecl
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48
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157 main(int argc, char *const *argv)
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0
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158 {
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2
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159 ngx_int_t i;
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160 ngx_log_t *log;
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161 ngx_cycle_t *cycle, init_cycle;
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162 ngx_core_conf_t *ccf;
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0
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163
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4
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164 #if (NGX_FREEBSD)
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0
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165 ngx_debug_init();
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166 #endif
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167
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168 /* TODO */ ngx_max_sockets = -1;
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169
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170 ngx_time_init();
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171
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4
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172 #if (NGX_PCRE)
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0
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173 ngx_regex_init();
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174 #endif
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175
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176 ngx_pid = ngx_getpid();
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177
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50
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178 log = ngx_log_init();
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179 if (log == NULL) {
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0
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180 return 1;
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181 }
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182
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90
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183 /* STUB */
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0
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184 #if (NGX_OPENSSL)
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185 ngx_ssl_init(log);
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186 #endif
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187
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188 /* init_cycle->log is required for signal handlers and ngx_getopt() */
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189
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190 ngx_memzero(&init_cycle, sizeof(ngx_cycle_t));
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191 init_cycle.log = log;
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192 ngx_cycle = &init_cycle;
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193
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50
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194 init_cycle.pool = ngx_create_pool(1024, log);
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195 if (init_cycle.pool == NULL) {
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0
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196 return 1;
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197 }
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198
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4
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199 if (ngx_save_argv(&init_cycle, argc, argv) == NGX_ERROR) {
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2
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200 return 1;
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201 }
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202
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4
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203 if (ngx_getopt(&init_cycle, argc, ngx_argv) == NGX_ERROR) {
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0
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204 return 1;
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205 }
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206
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207 if (ngx_test_config) {
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208 log->log_level = NGX_LOG_INFO;
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209 }
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210
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211 if (ngx_os_init(log) == NGX_ERROR) {
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212 return 1;
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213 }
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214
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215 if (ngx_add_inherited_sockets(&init_cycle) == NGX_ERROR) {
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216 return 1;
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217 }
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218
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219 ngx_max_module = 0;
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220 for (i = 0; ngx_modules[i]; i++) {
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221 ngx_modules[i]->index = ngx_max_module++;
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222 }
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223
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224 cycle = ngx_init_cycle(&init_cycle);
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225 if (cycle == NULL) {
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226 if (ngx_test_config) {
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227 ngx_log_error(NGX_LOG_EMERG, log, 0,
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106
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228 "the configuration file %s test failed",
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0
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229 init_cycle.conf_file.data);
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230 }
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231
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232 return 1;
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233 }
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234
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235 if (ngx_test_config) {
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236 ngx_log_error(NGX_LOG_INFO, log, 0,
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106
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237 "the configuration file %s was tested successfully",
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4
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238 cycle->conf_file.data);
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0
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239 return 0;
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240 }
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241
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242 ngx_os_status(cycle->log);
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243
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244 ngx_cycle = cycle;
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245
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246 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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247
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248 ngx_process = ccf->master ? NGX_PROCESS_MASTER : NGX_PROCESS_SINGLE;
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249
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10
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250 #if (NGX_WIN32)
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0
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251
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252 #if 0
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253
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254 TODO:
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255
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256 if (ccf->run_as_service) {
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257 if (ngx_service(cycle->log) == NGX_ERROR) {
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258 return 1;
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259 }
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260
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261 return 0;
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262 }
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263 #endif
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264
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265 #else
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266
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88
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267 if (ngx_init_signals(cycle->log) == NGX_ERROR) {
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268 return 1;
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269 }
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270
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0
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271 if (!ngx_inherited && ccf->daemon) {
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272 if (ngx_daemon(cycle->log) == NGX_ERROR) {
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273 return 1;
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274 }
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275
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276 ngx_daemonized = 1;
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277 }
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278
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279 if (ngx_create_pidfile(cycle, NULL) == NGX_ERROR) {
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280 return 1;
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281 }
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282
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283 #endif
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284
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285 if (ngx_process == NGX_PROCESS_MASTER) {
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2
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286 ngx_master_process_cycle(cycle);
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0
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287
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288 } else {
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2
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289 ngx_single_process_cycle(cycle);
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0
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290 }
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291
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292 return 0;
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293 }
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294
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295
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48
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296 static ngx_int_t
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297 ngx_add_inherited_sockets(ngx_cycle_t *cycle)
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0
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298 {
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50
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299 u_char *p, *v, *inherited;
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300 ngx_int_t s;
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301 ngx_listening_t *ls;
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0
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302
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303 inherited = (u_char *) getenv(NGINX_VAR);
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304
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305 if (inherited == NULL) {
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306 return NGX_OK;
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307 }
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308
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10
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309 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
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0
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310 "using inherited sockets from \"%s\"", inherited);
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311
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10
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312 if (ngx_array_init(&cycle->listening, cycle->pool, 10,
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313 sizeof(ngx_listening_t)) == NGX_ERROR)
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314 {
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315 return NGX_ERROR;
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316 }
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0
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317
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318 for (p = inherited, v = p; *p; p++) {
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319 if (*p == ':' || *p == ';') {
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320 s = ngx_atoi(v, p - v);
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321 if (s == NGX_ERROR) {
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322 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
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86
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323 "invalid socket number \"%s\" in " NGINX_VAR
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324 " environment variable, ignoring the rest"
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325 " of the variable", v);
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0
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326 break;
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327 }
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328
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329 v = p + 1;
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330
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50
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331 ls = ngx_array_push(&cycle->listening);
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332 if (ls == NULL) {
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0
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333 return NGX_ERROR;
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334 }
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335
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72
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336 ngx_memzero(ls, sizeof(ngx_listening_t));
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337
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50
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338 ls->fd = (ngx_socket_t) s;
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0
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339 }
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340 }
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341
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342 ngx_inherited = 1;
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343
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344 return ngx_set_inherited_sockets(cycle);
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345 }
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346
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347
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92
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348 ngx_pid_t
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349 ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv)
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0
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350 {
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10
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351 char *env[3], *var;
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352 u_char *p;
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0
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353 ngx_uint_t i;
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354 ngx_pid_t pid;
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355 ngx_exec_ctx_t ctx;
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92
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356 ngx_core_conf_t *ccf;
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0
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357 ngx_listening_t *ls;
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358
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359 ctx.path = argv[0];
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360 ctx.name = "new binary process";
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361 ctx.argv = argv;
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362
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363 var = ngx_alloc(sizeof(NGINX_VAR)
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50
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364 + cycle->listening.nelts * (NGX_INT32_LEN + 1) + 2,
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0
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365 cycle->log);
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366
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10
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367 p = ngx_cpymem(var, NGINX_VAR "=", sizeof(NGINX_VAR));
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0
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368
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369 ls = cycle->listening.elts;
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370 for (i = 0; i < cycle->listening.nelts; i++) {
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10
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371 p = ngx_sprintf(p, "%ud;", ls[i].fd);
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0
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372 }
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373
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10
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374 *p = '\0';
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375
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0
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376 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, "inherited: %s", var);
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377
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378 env[0] = var;
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2
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379
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380 #if (NGX_SETPROCTITLE_USES_ENV)
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381
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10
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382 /* allocate the spare 300 bytes for the new binary process title */
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2
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383
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384 env[1] = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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385 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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386 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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387 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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388 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
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389
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390 env[2] = NULL;
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391
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392 #else
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393
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0
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394 env[1] = NULL;
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2
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395
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396 #endif
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397
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0
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398 ctx.envp = (char *const *) &env;
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399
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92
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400 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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401
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402 if (ngx_rename_file((char *) ccf->pid.data, (char *) ccf->oldpid.data)
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403 != NGX_OK)
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404 {
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|
|
405 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
406 ngx_rename_file_n " %s to %s failed "
|
|
|
407 "before executing new binary process \"%s\"",
|
|
|
408 ccf->pid.data, ccf->oldpid.data, argv[0]);
|
|
|
409
|
|
|
410 ngx_free(var);
|
|
|
411
|
|
|
412 return NGX_INVALID_PID;
|
|
|
413 }
|
|
|
414
|
|
0
|
415 pid = ngx_execute(cycle, &ctx);
|
|
|
416
|
|
92
|
417 if (pid == NGX_INVALID_PID) {
|
|
|
418 if (ngx_rename_file((char *) ccf->oldpid.data, (char *) ccf->pid.data)
|
|
|
419 != NGX_OK)
|
|
|
420 {
|
|
|
421 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
422 ngx_rename_file_n " %s back to %s failed "
|
|
|
423 "after try to executing new binary process \"%s\"",
|
|
|
424 ccf->oldpid.data, ccf->pid.data, argv[0]);
|
|
|
425 }
|
|
|
426 }
|
|
|
427
|
|
0
|
428 ngx_free(var);
|
|
|
429
|
|
|
430 return pid;
|
|
|
431 }
|
|
|
432
|
|
|
433
|
|
92
|
434 static ngx_int_t
|
|
|
435 ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
0
|
436 {
|
|
|
437 ngx_int_t i;
|
|
|
438
|
|
2
|
439 for (i = 1; i < argc; i++) {
|
|
|
440 if (argv[i][0] != '-') {
|
|
0
|
441 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
2
|
442 "invalid option: \"%s\"", argv[i]);
|
|
0
|
443 return NGX_ERROR;
|
|
|
444 }
|
|
|
445
|
|
2
|
446 switch (argv[i][1]) {
|
|
0
|
447
|
|
|
448 case 't':
|
|
|
449 ngx_test_config = 1;
|
|
|
450 break;
|
|
|
451
|
|
|
452 case 'c':
|
|
2
|
453 if (argv[i + 1] == NULL) {
|
|
0
|
454 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
455 "the option: \"%s\" requires file name",
|
|
2
|
456 argv[i]);
|
|
0
|
457 return NGX_ERROR;
|
|
|
458 }
|
|
|
459
|
|
2
|
460 cycle->conf_file.data = (u_char *) argv[++i];
|
|
0
|
461 cycle->conf_file.len = ngx_strlen(cycle->conf_file.data);
|
|
|
462 break;
|
|
|
463
|
|
|
464 default:
|
|
|
465 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
2
|
466 "invalid option: \"%s\"", argv[i]);
|
|
0
|
467 return NGX_ERROR;
|
|
|
468 }
|
|
|
469 }
|
|
|
470
|
|
|
471 if (cycle->conf_file.data == NULL) {
|
|
|
472 cycle->conf_file.len = sizeof(NGX_CONF_PATH) - 1;
|
|
|
473 cycle->conf_file.data = (u_char *) NGX_CONF_PATH;
|
|
|
474 }
|
|
|
475
|
|
|
476 if (ngx_conf_full_name(cycle, &cycle->conf_file) == NGX_ERROR) {
|
|
|
477 return NGX_ERROR;
|
|
|
478 }
|
|
|
479
|
|
|
480 return NGX_OK;
|
|
|
481 }
|
|
|
482
|
|
|
483
|
|
48
|
484 static ngx_int_t
|
|
|
485 ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
2
|
486 {
|
|
50
|
487 #if (NGX_FREEBSD)
|
|
|
488
|
|
|
489 ngx_os_argv = (char **) argv;
|
|
|
490 ngx_argc = argc;
|
|
|
491 ngx_argv = (char **) argv;
|
|
|
492
|
|
|
493 #else
|
|
2
|
494 size_t len;
|
|
|
495 ngx_int_t i;
|
|
|
496
|
|
|
497 ngx_os_argv = (char **) argv;
|
|
|
498 ngx_argc = argc;
|
|
|
499
|
|
50
|
500 ngx_argv = ngx_alloc((argc + 1) * sizeof(char *), cycle->log);
|
|
|
501 if (ngx_argv == NULL) {
|
|
2
|
502 return NGX_ERROR;
|
|
|
503 }
|
|
|
504
|
|
|
505 for (i = 0; i < argc; i++) {
|
|
|
506 len = ngx_strlen(argv[i]) + 1;
|
|
|
507
|
|
50
|
508 ngx_argv[i] = ngx_alloc(len, cycle->log);
|
|
|
509 if (ngx_argv[i] == NULL) {
|
|
2
|
510 return NGX_ERROR;
|
|
|
511 }
|
|
|
512
|
|
66
|
513 (void) ngx_cpystrn((u_char *) ngx_argv[i], (u_char *) argv[i], len);
|
|
2
|
514 }
|
|
|
515
|
|
|
516 ngx_argv[i] = NULL;
|
|
|
517
|
|
|
518 #endif
|
|
|
519
|
|
|
520 return NGX_OK;
|
|
|
521 }
|
|
|
522
|
|
|
523
|
|
48
|
524 static void *
|
|
|
525 ngx_core_module_create_conf(ngx_cycle_t *cycle)
|
|
0
|
526 {
|
|
|
527 ngx_core_conf_t *ccf;
|
|
|
528
|
|
50
|
529 ccf = ngx_pcalloc(cycle->pool, sizeof(ngx_core_conf_t));
|
|
|
530 if (ccf == NULL) {
|
|
0
|
531 return NULL;
|
|
|
532 }
|
|
28
|
533
|
|
|
534 /*
|
|
|
535 * set by pcalloc()
|
|
0
|
536 *
|
|
28
|
537 * ccf->pid = NULL;
|
|
92
|
538 * ccf->oldpid = NULL;
|
|
28
|
539 * ccf->priority = 0;
|
|
0
|
540 */
|
|
28
|
541
|
|
0
|
542 ccf->daemon = NGX_CONF_UNSET;
|
|
|
543 ccf->master = NGX_CONF_UNSET;
|
|
112
|
544 ccf->timer_resolution = NGX_CONF_UNSET_MSEC;
|
|
|
545
|
|
0
|
546 ccf->worker_processes = NGX_CONF_UNSET;
|
|
10
|
547 ccf->debug_points = NGX_CONF_UNSET;
|
|
92
|
548
|
|
|
549 ccf->rlimit_nofile = NGX_CONF_UNSET;
|
|
|
550 ccf->rlimit_sigpending = NGX_CONF_UNSET;
|
|
|
551
|
|
66
|
552 ccf->user = (ngx_uid_t) NGX_CONF_UNSET_UINT;
|
|
|
553 ccf->group = (ngx_gid_t) NGX_CONF_UNSET_UINT;
|
|
92
|
554
|
|
0
|
555 #if (NGX_THREADS)
|
|
|
556 ccf->worker_threads = NGX_CONF_UNSET;
|
|
10
|
557 ccf->thread_stack_size = NGX_CONF_UNSET_SIZE;
|
|
0
|
558 #endif
|
|
|
559
|
|
|
560 return ccf;
|
|
|
561 }
|
|
|
562
|
|
|
563
|
|
48
|
564 static char *
|
|
|
565 ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf)
|
|
0
|
566 {
|
|
|
567 ngx_core_conf_t *ccf = conf;
|
|
|
568
|
|
10
|
569 #if !(NGX_WIN32)
|
|
0
|
570 struct passwd *pwd;
|
|
|
571 struct group *grp;
|
|
|
572 #endif
|
|
|
573
|
|
|
574 ngx_conf_init_value(ccf->daemon, 1);
|
|
|
575 ngx_conf_init_value(ccf->master, 1);
|
|
112
|
576 ngx_conf_init_msec_value(ccf->timer_resolution, 0);
|
|
|
577
|
|
0
|
578 ngx_conf_init_value(ccf->worker_processes, 1);
|
|
10
|
579 ngx_conf_init_value(ccf->debug_points, 0);
|
|
0
|
580
|
|
|
581 #if (NGX_THREADS)
|
|
|
582 ngx_conf_init_value(ccf->worker_threads, 0);
|
|
|
583 ngx_threads_n = ccf->worker_threads;
|
|
|
584 ngx_conf_init_size_value(ccf->thread_stack_size, 2 * 1024 * 1024);
|
|
|
585 #endif
|
|
|
586
|
|
10
|
587 #if !(NGX_WIN32)
|
|
0
|
588
|
|
66
|
589 if (ccf->user == (uid_t) NGX_CONF_UNSET_UINT && geteuid() == 0) {
|
|
0
|
590
|
|
4
|
591 pwd = getpwnam(NGX_USER);
|
|
0
|
592 if (pwd == NULL) {
|
|
|
593 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
594 "getpwnam(\"" NGX_USER "\") failed");
|
|
0
|
595 return NGX_CONF_ERROR;
|
|
|
596 }
|
|
|
597
|
|
22
|
598 ccf->username = NGX_USER;
|
|
0
|
599 ccf->user = pwd->pw_uid;
|
|
|
600
|
|
4
|
601 grp = getgrnam(NGX_GROUP);
|
|
0
|
602 if (grp == NULL) {
|
|
|
603 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
604 "getgrnam(\"" NGX_GROUP "\") failed");
|
|
0
|
605 return NGX_CONF_ERROR;
|
|
|
606 }
|
|
|
607
|
|
|
608 ccf->group = grp->gr_gid;
|
|
|
609 }
|
|
|
610
|
|
|
611 if (ccf->pid.len == 0) {
|
|
|
612 ccf->pid.len = sizeof(NGX_PID_PATH) - 1;
|
|
2
|
613 ccf->pid.data = (u_char *) NGX_PID_PATH;
|
|
0
|
614 }
|
|
|
615
|
|
|
616 if (ngx_conf_full_name(cycle, &ccf->pid) == NGX_ERROR) {
|
|
|
617 return NGX_CONF_ERROR;
|
|
|
618 }
|
|
|
619
|
|
92
|
620 ccf->oldpid.len = ccf->pid.len + sizeof(NGX_OLDPID_EXT);
|
|
0
|
621
|
|
92
|
622 ccf->oldpid.data = ngx_palloc(cycle->pool, ccf->oldpid.len);
|
|
|
623 if (ccf->oldpid.data == NULL) {
|
|
0
|
624 return NGX_CONF_ERROR;
|
|
|
625 }
|
|
|
626
|
|
92
|
627 ngx_memcpy(ngx_cpymem(ccf->oldpid.data, ccf->pid.data, ccf->pid.len),
|
|
|
628 NGX_OLDPID_EXT, sizeof(NGX_OLDPID_EXT));
|
|
0
|
629
|
|
|
630 #endif
|
|
|
631
|
|
|
632 return NGX_CONF_OK;
|
|
|
633 }
|
|
|
634
|
|
|
635
|
|
48
|
636 static char *
|
|
|
637 ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
0
|
638 {
|
|
10
|
639 #if (NGX_WIN32)
|
|
0
|
640
|
|
|
641 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
642 "\"user\" is not supported, ignored");
|
|
|
643
|
|
|
644 return NGX_CONF_OK;
|
|
|
645
|
|
|
646 #else
|
|
|
647
|
|
|
648 ngx_core_conf_t *ccf = conf;
|
|
|
649
|
|
4
|
650 char *group;
|
|
0
|
651 struct passwd *pwd;
|
|
|
652 struct group *grp;
|
|
|
653 ngx_str_t *value;
|
|
|
654
|
|
66
|
655 if (ccf->user != (uid_t) NGX_CONF_UNSET_UINT) {
|
|
0
|
656 return "is duplicate";
|
|
|
657 }
|
|
|
658
|
|
4
|
659 if (geteuid() != 0) {
|
|
|
660 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
661 "the \"user\" directive makes sense only "
|
|
|
662 "if the master process runs "
|
|
|
663 "with super-user privileges, ignored");
|
|
|
664 return NGX_CONF_OK;
|
|
|
665 }
|
|
|
666
|
|
0
|
667 value = (ngx_str_t *) cf->args->elts;
|
|
|
668
|
|
22
|
669 ccf->username = (char *) value[1].data;
|
|
|
670
|
|
0
|
671 pwd = getpwnam((const char *) value[1].data);
|
|
|
672 if (pwd == NULL) {
|
|
|
673 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
2
|
674 "getpwnam(\"%s\") failed", value[1].data);
|
|
0
|
675 return NGX_CONF_ERROR;
|
|
|
676 }
|
|
|
677
|
|
|
678 ccf->user = pwd->pw_uid;
|
|
|
679
|
|
4
|
680 group = (char *) ((cf->args->nelts == 2) ? value[1].data : value[2].data);
|
|
0
|
681
|
|
4
|
682 grp = getgrnam(group);
|
|
0
|
683 if (grp == NULL) {
|
|
|
684 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
4
|
685 "getgrnam(\"%s\") failed", group);
|
|
0
|
686 return NGX_CONF_ERROR;
|
|
|
687 }
|
|
|
688
|
|
|
689 ccf->group = grp->gr_gid;
|
|
|
690
|
|
|
691 return NGX_CONF_OK;
|
|
|
692
|
|
|
693 #endif
|
|
|
694 }
|
|
22
|
695
|
|
|
696
|
|
48
|
697 static char *
|
|
|
698 ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
22
|
699 {
|
|
|
700 ngx_core_conf_t *ccf = conf;
|
|
|
701
|
|
|
702 ngx_str_t *value;
|
|
|
703 ngx_uint_t n, minus;
|
|
|
704
|
|
|
705 if (ccf->priority != 0) {
|
|
|
706 return "is duplicate";
|
|
|
707 }
|
|
|
708
|
|
|
709 value = cf->args->elts;
|
|
|
710
|
|
|
711 if (value[1].data[0] == '-') {
|
|
|
712 n = 1;
|
|
|
713 minus = 1;
|
|
|
714
|
|
|
715 } else if (value[1].data[0] == '+') {
|
|
|
716 n = 1;
|
|
|
717 minus = 0;
|
|
|
718
|
|
|
719 } else {
|
|
|
720 n = 0;
|
|
|
721 minus = 0;
|
|
|
722 }
|
|
|
723
|
|
|
724 ccf->priority = ngx_atoi(&value[1].data[n], value[1].len - n);
|
|
|
725 if (ccf->priority == NGX_ERROR) {
|
|
|
726 return "invalid number";
|
|
|
727 }
|
|
|
728
|
|
|
729 if (minus) {
|
|
|
730 ccf->priority = -ccf->priority;
|
|
|
731 }
|
|
|
732
|
|
|
733 return NGX_CONF_OK;
|
|
|
734 }
|
