Sun, 27 Nov 2022 10:07:37 +0100
fix listener ssl initialization
1 | 1 | /* |
2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
3 | * | |
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4 | * Copyright 2013 Olaf Wintermann. All rights reserved. |
1 | 5 | * |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions are met: | |
8 | * | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * | |
12 | * 2. Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in the | |
14 | * documentation and/or other materials provided with the distribution. | |
15 | * | |
16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
26 | * POSSIBILITY OF SUCH DAMAGE. | |
27 | */ | |
28 | ||
29 | ||
30 | #include <stdio.h> | |
31 | #include <stdlib.h> | |
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32 | #include <unistd.h> |
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33 | #include <signal.h> |
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34 | #include <errno.h> |
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35 | #include <pthread.h> |
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36 | #include <fcntl.h> |
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37 | #include <poll.h> |
1 | 38 | |
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39 | #include "../util/pool.h" |
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40 | #include "../public/nsapi.h" |
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41 | #include "../util/plist.h" |
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42 | #include "../util/date.h" |
1 | 43 | |
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44 | #include <cx/string.h> |
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45 | |
1 | 46 | #include "webserver.h" |
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47 | #include "log.h" |
1 | 48 | #include "httprequest.h" |
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49 | #include "httplistener.h" |
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50 | #include "srvctrl.h" |
1 | 51 | |
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52 | #include "configmanager.h" |
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53 | |
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54 | #define LOG_THREAD_STACK_SIZE 32768 |
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55 | #define LOG_THREAD_MAX_POLL_FAILS 10 |
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56 | #define LOG_THREAD_READ_BUF 2048 |
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57 | |
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58 | static int std_out[2]; |
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59 | static int std_err[2]; |
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60 | static WSBool is_daemon; |
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61 | |
1 | 62 | void test() { |
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63 | time_t t = time(NULL); |
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64 | pool_handle_t *pool = pool_create(); |
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65 | cxmutstr date = date_format_http(t, pool); |
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66 | printf("%s\n", date.ptr); |
1 | 67 | } |
68 | ||
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69 | |
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70 | WSBool main_is_daemon(void) { |
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71 | return is_daemon; |
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72 | } |
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73 | |
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74 | /* |
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75 | * SIGUSR1: reload the configuration files |
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76 | */ |
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77 | void sig_usr1_reload(int sig) { |
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78 | log_ereport(LOG_INFORM, "sig reload"); |
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79 | |
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80 | CfgManager mgr; |
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81 | if(cfgmgr_load_config(&mgr) != 0) { |
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82 | log_ereport(LOG_FAILURE, "cannot reload server.conf"); |
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83 | } else { |
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84 | if(cfgmgr_apply_config(&mgr)) { |
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85 | log_ereport(LOG_FAILURE, "cannot reload config"); |
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86 | } |
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87 | } |
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88 | |
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89 | // start newly created listeners |
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90 | start_all_listener(); |
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91 | |
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92 | signal(SIGUSR1, sig_usr1_reload); |
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93 | } |
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94 | |
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95 | /* |
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96 | * SIGTERM: stop the server |
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97 | */ |
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98 | void sig_term(int sig) { |
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99 | webserver_shutdown(); |
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100 | //exit(EXIT_SUCCESS); |
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101 | } |
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102 | |
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103 | static void set_pipe_nonblocking(int fd) { |
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104 | int flags = 0; |
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105 | flags = fcntl(fd, F_GETFL, 0); |
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106 | fcntl(fd, F_SETFL, flags & ~O_NONBLOCK); |
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107 | } |
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108 | |
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109 | static char log_pipe_readbuf[LOG_THREAD_READ_BUF]; |
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110 | static char log_pipe_stdout_buf[LOG_THREAD_READ_BUF]; |
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111 | static char log_pipe_stderr_buf[LOG_THREAD_READ_BUF]; |
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112 | static size_t log_pipe_stdout_tmp_pos = 0; |
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113 | static size_t log_pipe_stderr_tmp_pos = 0; |
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114 | |
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115 | static int log_pipe(const char *name, int fd, char *buf, size_t *pos) { |
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116 | ssize_t r = read(fd, log_pipe_readbuf, 2); |
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117 | if(r <= 0) { |
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118 | return 1; |
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119 | } |
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120 | |
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121 | char *tmp = buf; |
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122 | int tmplen = *pos; |
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123 | |
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124 | int s = 0; |
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125 | for(int i=0;i<r;i++) { |
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126 | if(log_pipe_readbuf[i] == '\n') { |
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127 | if(tmplen + i-s > 0) { |
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128 | log_message(name, "%.*s%.*s", tmplen, tmp, i-s, log_pipe_readbuf + s); |
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129 | } |
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130 | tmplen = 0; |
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131 | *pos = 0; |
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132 | s = i+1; |
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133 | } |
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134 | } |
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135 | |
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136 | int remaining = r - s; |
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137 | if(tmplen + remaining >= LOG_THREAD_READ_BUF) { |
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138 | log_message(name, "%.*s%.*s", tmplen, tmp, remaining, log_pipe_readbuf + s); |
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139 | *pos = 0; |
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140 | } else if(remaining > 0) { |
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141 | memcpy(buf + *pos, log_pipe_readbuf + s, remaining); |
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142 | *pos += remaining; |
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143 | } |
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144 | |
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145 | return 0; |
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146 | } |
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147 | |
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148 | void* log_pipe_thread(void *data) { |
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149 | set_pipe_nonblocking(std_out[0]); |
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150 | set_pipe_nonblocking(std_err[0]); |
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151 | |
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152 | struct pollfd fds[2]; |
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153 | fds[0].fd = std_out[0]; |
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154 | fds[0].events = POLLIN; |
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155 | fds[1].fd = std_err[0]; |
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156 | fds[1].events = POLLIN; |
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157 | |
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158 | int poll_fails = 0; |
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159 | for(;;) { |
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160 | if(poll(fds, 1, 1000000) < 0) { |
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161 | if(errno == EINTR) { |
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162 | continue; |
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163 | } |
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164 | log_ereport(LOG_FAILURE, "log thread poll failed: %s", strerror(errno)); |
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165 | if(poll_fails++ > LOG_THREAD_MAX_POLL_FAILS) { |
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166 | break; |
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167 | } |
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168 | } |
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169 | |
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170 | // check stdout |
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171 | if(fds[0].revents & POLLIN) { |
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172 | if(log_pipe("stdout", fds[0].fd, log_pipe_stdout_buf, &log_pipe_stdout_tmp_pos)) { |
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173 | break; |
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174 | } |
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175 | } |
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176 | |
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177 | // check stderr |
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178 | if(fds[1].revents & POLLIN) { |
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179 | if(log_pipe("stderr", fds[0].fd, log_pipe_stderr_buf, &log_pipe_stderr_tmp_pos)) { |
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180 | break; |
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181 | } |
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182 | } |
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183 | } |
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184 | |
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185 | log_ereport(LOG_INFORM, "log thread end"); |
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186 | |
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187 | return NULL; |
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188 | } |
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189 | |
1 | 190 | int main(int argc, char **argv) { |
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191 | //test(); |
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192 | |
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193 | // if the -c parameter is specified, we don't create a daemon |
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194 | is_daemon = 1; |
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195 | for(int i=0;i<argc;i++) { |
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196 | char *p = argv[i]; |
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197 | if(p[0] == '-' && p[1] == 'c') { |
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198 | is_daemon = 0; |
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199 | break; |
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200 | } |
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201 | } |
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202 | if(is_daemon) { |
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203 | // create daemon |
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204 | pid_t pid = fork(); |
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205 | if(pid < 0) { |
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206 | return EXIT_FAILURE; |
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207 | } else if(pid > 0) { |
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208 | return EXIT_SUCCESS; |
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209 | } |
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210 | |
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211 | if(setsid() < 0) { |
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212 | fprintf(stderr, "setsid failed\n"); |
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213 | return EXIT_FAILURE; |
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214 | } |
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215 | printf("start daemon\n"); |
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216 | |
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217 | for(int i=0;i<3;i++) { |
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218 | close(i); |
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219 | } |
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220 | |
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221 | // stdio redirection |
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222 | // create pipes |
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223 | if(pipe(std_out) != 0) { |
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224 | perror("pipe"); |
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225 | return EXIT_FAILURE; |
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226 | } |
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227 | if(pipe(std_err) != 0) { |
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228 | perror("pipe"); |
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229 | return EXIT_FAILURE; |
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230 | } |
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231 | |
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232 | dup2(std_out[1], 1); |
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233 | dup2(std_err[1], 2); |
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234 | close(std_err[1]); |
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235 | |
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236 | // set log thread stack size |
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237 | pthread_attr_t tattr; |
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238 | pthread_attr_init(&tattr); |
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239 | pthread_attr_setstacksize(&tattr, LOG_THREAD_STACK_SIZE); |
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240 | |
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241 | pthread_t tid; |
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242 | pthread_create(&tid, &tattr, log_pipe_thread, NULL); |
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243 | } |
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244 | |
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245 | pool_init(NULL, NULL, NULL); |
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246 | |
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247 | // add signal handler |
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248 | signal(SIGUSR1, sig_usr1_reload); |
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249 | signal(SIGTERM, sig_term); |
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250 | signal(SIGINT, sig_term); |
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251 | |
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252 | struct sigaction act; |
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253 | ZERO(&act, sizeof(struct sigaction)); |
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254 | act.sa_handler = SIG_IGN; |
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255 | sigaction(SIGPIPE, &act, NULL); |
1 | 256 | |
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257 | // start webserver |
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258 | log_ereport(LOG_INFORM, "startup"); |
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259 | |
1 | 260 | int status; |
261 | status = webserver_init(); | |
262 | if(status != 0) { | |
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263 | log_ereport(LOG_FAILURE, "cannot initialize server."); |
1 | 264 | return EXIT_FAILURE; |
265 | } | |
266 | ||
267 | status = webserver_run(); | |
268 | if(status != 0) { | |
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269 | log_ereport(LOG_FAILURE, "cannot run server."); |
1 | 270 | return EXIT_FAILURE; |
271 | } | |
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272 | |
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273 | if(srvctrl_wait()) { |
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274 | return EXIT_FAILURE; |
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275 | } |
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276 | |
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277 | /* TODO: join threads (or not?) */ |
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278 | /* |
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279 | while(1) { |
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280 | if(is_daemon) { |
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281 | fflush(stdout); |
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282 | fflush(stderr); |
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283 | } |
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284 | sleep(10000); |
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285 | if(0) { |
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286 | break; |
adb0bda54e6b
Server can run as daemon
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
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287 | } |
adb0bda54e6b
Server can run as daemon
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
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|
288 | } |
156
724e107983e9
adds unix domain socket for server control ops
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
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289 | */ |
1 | 290 | |
291 | return EXIT_SUCCESS; | |
292 | } | |
293 |