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51 * shar.cpp -- the SHAR "main" code. All the functionality is elsewhere
52 * (in case you want to turn this into a library later).
54 * Created By: Derek Atkins <derek@ihtfp.com>
59 // eventually we might be able to support autoconf via cygwin...
60 #if defined (_MSC_VER) || defined(__BORLANDC__)
61 # include "config_win32.h"
68 #include <sys/select.h>
75 #include "shar-utils.h"
76 #include <log4cpp/Category.hh>
80 using namespace shibboleth;
81 using namespace shibtarget;
82 using namespace log4cpp;
85 # define FD_SETSIZE 1024
88 extern "C" void shibrpc_prog_2(struct svc_req* rqstp, register SVCXPRT* transp);
91 const char* shar_config = NULL;
92 const char* shar_schemadir = NULL;
93 bool shar_checkonly = false;
94 static int unlink_socket = 0;
96 static bool new_connection(IListener::ShibSocket& listener, const Iterator<ShibRPCProtocols>& protos)
98 IListener::ShibSocket sock;
100 // Accept the connection.
101 if (!ShibTargetConfig::getConfig().getINI()->getListener()->accept(listener, sock))
104 // We throw away the result because the children manage themselves...
106 new SharChild(sock,protos);
109 saml::NDC ndc("new_connection");
110 Category& log=Category::getInstance("SHAR");
111 log.crit("error starting new child thread to service request");
117 static void shar_svc_run(IListener::ShibSocket& listener, const Iterator<ShibRPCProtocols>& protos)
119 saml::NDC ndc("shar_svc_run");
120 Category& log=Category::getInstance("SHAR");
125 FD_SET(listener, &readfds);
126 struct timeval tv = { 0, 0 };
129 switch (select(listener + 1, &readfds, 0, 0, &tv)) {
135 if (errno == EINTR) continue;
136 SHARUtils::log_error();
137 log.error("select() on main listener socket failed");
144 if (!new_connection(listener, protos))
145 log.crit("new_connection failed");
148 log.info("shar_svc_run ended");
153 int real_main(int preinit)
155 static IListener::ShibSocket sock;
156 ShibRPCProtocols protos[1] = {
157 { SHIBRPC_PROG, SHIBRPC_VERS_2, shibrpc_prog_2 }
160 ShibTargetConfig& conf=ShibTargetConfig::getConfig();
163 // initialize the shib-target library
165 ShibTargetConfig::Listener |
166 ShibTargetConfig::SessionCache |
167 ShibTargetConfig::Metadata |
168 ShibTargetConfig::Trust |
169 ShibTargetConfig::Credentials |
170 ShibTargetConfig::AAP |
171 ShibTargetConfig::SHARExtensions |
172 (shar_checkonly ? (ShibTargetConfig::SHIREExtensions | ShibTargetConfig::RequestMapper) : ShibTargetConfig::Logging)
175 shar_config=getenv("SHIBCONFIG");
177 shar_schemadir=getenv("SHIBSCHEMAS");
179 shar_schemadir=SHIB_SCHEMAS;
181 shar_config=SHIB_CONFIG;
182 if (!conf.init(shar_schemadir,shar_config)) {
183 fprintf(stderr, "configuration is invalid, check log for specific problems\n");
187 // If just a test run, bail.
188 if (shar_checkonly) {
189 fprintf(stdout, "overall configuration is loadable, check log for non-fatal problems\n");
193 const IListener* listener=conf.getINI()->getListener();
195 // Create the SHAR listener socket
196 if (!listener->create(sock))
199 // Bind to the proper port
200 if (!listener->bind(sock))
203 // Initialize the SHAR Utilitites
208 if (!shar_checkonly) {
209 shar_svc_run(sock, ArrayIterator<ShibRPCProtocols>(protos,1));
210 fprintf(stdout,"shar_svc_run returned\n");
212 // Finalize the SHAR, close all clients
214 conf.getINI()->getListener()->close(sock);
218 fprintf(stdout, "shar shutdown complete\n");
225 static void term_handler(int arg)
230 static int setup_signals(void)
232 NDC ndc("setup_signals");
235 memset(&sa, 0, sizeof (sa));
236 sa.sa_handler = SIG_IGN;
237 sa.sa_flags = SA_RESTART;
239 if (sigaction(SIGPIPE, &sa, NULL) < 0) {
240 SHARUtils::log_error();
244 memset(&sa, 0, sizeof (sa));
245 sa.sa_handler = term_handler;
246 sa.sa_flags = SA_RESTART;
248 if (sigaction(SIGHUP, &sa, NULL) < 0) {
249 SHARUtils::log_error();
252 if (sigaction(SIGINT, &sa, NULL) < 0) {
253 SHARUtils::log_error();
256 if (sigaction(SIGQUIT, &sa, NULL) < 0) {
257 SHARUtils::log_error();
260 if (sigaction(SIGTERM, &sa, NULL) < 0) {
261 SHARUtils::log_error();
267 static void usage(char* whoami)
269 fprintf(stderr, "usage: %s [-fcdt]\n", whoami);
270 fprintf(stderr, " -c\tconfig file to use.\n");
271 fprintf(stderr, " -d\tschema directory to use.\n");
272 fprintf(stderr, " -t\tcheck configuration file for problems.\n");
273 fprintf(stderr, " -f\tforce removal of listener socket.\n");
274 fprintf(stderr, " -h\tprint this help message.\n");
278 static int parse_args(int argc, char* argv[])
282 while ((opt = getopt(argc, argv, "c:d:fth")) > 0) {
288 shar_schemadir=optarg;
303 int main(int argc, char *argv[])
305 IListener::ShibSocket sock;
306 ShibRPCProtocols protos[] = {
307 { SHIBRPC_PROG, SHIBRPC_VERS_2, shibrpc_prog_2 }
310 if (setup_signals() != 0)
313 if (parse_args(argc, argv) != 0)
317 shar_config=getenv("SHIBCONFIG");
319 shar_schemadir=getenv("SHIBSCHEMAS");
321 shar_schemadir=SHIB_SCHEMAS;
323 shar_config=SHIB_CONFIG;
325 // initialize the shib-target library
326 ShibTargetConfig& conf=ShibTargetConfig::getConfig();
328 ShibTargetConfig::Listener |
329 ShibTargetConfig::SessionCache |
330 ShibTargetConfig::Metadata |
331 ShibTargetConfig::Trust |
332 ShibTargetConfig::Credentials |
333 ShibTargetConfig::AAP |
334 ShibTargetConfig::SHARExtensions |
335 (shar_checkonly ? (ShibTargetConfig::SHIREExtensions | ShibTargetConfig::RequestMapper) : ShibTargetConfig::Logging)
337 if (!conf.init(shar_schemadir,shar_config)) {
338 fprintf(stderr, "configuration is invalid, check log for specific problems\n");
343 fprintf(stderr, "overall configuration is loadable, check log for non-fatal problems\n");
345 const IListener* listener=conf.getINI()->getListener();
347 // Create the SHAR listener socket
348 if (!listener->create(sock))
351 // Bind to the proper port
352 if (!listener->bind(sock, unlink_socket==1))
355 // Initialize the SHAR Utilitites
359 shar_svc_run(sock, ArrayIterator<ShibRPCProtocols>(protos,1));
361 /* Finalize the SHAR, close all clients */
363 fprintf(stderr, "shar utils finalized\n");
365 listener->close(sock);
366 fprintf(stderr, "shib socket closed\n");
370 fprintf(stderr, "shar shutdown complete\n");