--- /dev/null
+// Copyright (c) 1996-2023 by the citadel.org team
+//
+// This program is open source software. You can redistribute it and/or
+// modify it under the terms of the GNU General Public License version 3.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+#include "webcit.h"
+#include "webserver.h"
+#include "modules_init.h"
+
+extern int msock; /* master listening socket */
+extern char static_icon_dir[PATH_MAX]; /* where should we find our mime icons */
+int is_https = 0; /* Nonzero if I am an HTTPS service */
+int follow_xff = 0; /* Follow X-Forwarded-For: header? */
+int DisableGzip = 0;
+char *default_landing_page = NULL;
+extern pthread_mutex_t SessionListMutex;
+
+extern void *housekeeping_loop(void);
+extern int webcit_tcp_server(char *ip_addr, int port_number, int queue_len);
+extern int webcit_uds_server(char *sockpath, int queue_len);
+extern void graceful_shutdown_watcher(int signum);
+extern void graceful_shutdown(int signum);
+extern void start_daemon(char *pid_file);
+extern void webcit_calc_dirs_n_files(int relh, const char *basedir, int home, char *webcitdir, char *relhome);
+extern void worker_entry(void);
+extern void drop_root(uid_t UID);
+
+char socket_dir[PATH_MAX]; /* where to talk to our citadel server */
+char *server_cookie = NULL; /* our Cookie connection to the client */
+int http_port = PORT_NUM; /* Port to listen on */
+int running_as_daemon = 0; /* should we deamonize on startup? */
+char *ctdl_dir = DEFAULT_CTDLDIR; /* Directory where Citadel Server is running */
+
+/* #define DBG_PRINNT_HOOKS_AT_START */
+#ifdef DBG_PRINNT_HOOKS_AT_START
+extern HashList *HandlerHash;
+const char foobuf[32];
+const char *nix(void *vptr) {snprintf(foobuf, 32, "%0x", (long) vptr); return foobuf;}
+#endif
+extern int verbose;
+extern int dbg_analyze_msg;
+extern int dbg_backtrace_template_errors;
+extern int DumpTemplateI18NStrings;
+extern StrBuf *I18nDump;
+void InitTemplateCache(void);
+extern int LoadTemplates;
+
+void LoadMimeBlacklist(void);
+
+/*
+ * Here's where it all begins.
+ */
+int main(int argc, char **argv) {
+ uid_t UID = -1;
+ pthread_t SessThread; /* Thread descriptor */
+ pthread_attr_t attr; /* Thread attributes */
+ int a; /* General-purpose variable */
+ char ip_addr[256]="*";
+ int relh=0;
+ int home=0;
+ char relhome[PATH_MAX]="";
+ char webcitdir[PATH_MAX] = DATADIR;
+ char *pidfile = NULL;
+ char *hdir;
+ const char *basedir = NULL;
+ char uds_listen_path[PATH_MAX]; /* listen on a unix domain socket? */
+ const char *I18nDumpFile = NULL;
+ int max_log_level = LOG_INFO;
+
+ WildFireInitBacktrace(argv[0], 2);
+
+ start_modules();
+
+#ifdef DBG_PRINNT_HOOKS_AT_START
+/* dbg_PrintHash(HandlerHash, nix, NULL);*/
+#endif
+
+ /* Ensure that we are linked to the correct version of libcitadel */
+ if (libcitadel_version_number() < LIBCITADEL_VERSION_NUMBER) {
+ fprintf(stderr, " You are running libcitadel version %d\n", libcitadel_version_number() );
+ fprintf(stderr, "WebCit was compiled against version %d\n", LIBCITADEL_VERSION_NUMBER );
+ return(1);
+ }
+
+ strcpy(uds_listen_path, "");
+
+ /* Parse command line */
+#ifdef HAVE_OPENSSL
+ while ((a = getopt(argc, argv, "u:h:i:p:t:T:B:x:g:dD:G:cfsS:Z:v:")) != EOF)
+#else
+ while ((a = getopt(argc, argv, "u:h:i:p:t:T:B:x:g:dD:G:cfZ:v:")) != EOF)
+#endif
+ switch (a) {
+ case 'u':
+ UID = atol(optarg);
+ break;
+ case 'h':
+ hdir = strdup(optarg);
+ relh=hdir[0]!='/';
+ if (!relh) {
+ safestrncpy(webcitdir, hdir, sizeof webcitdir);
+ }
+ else {
+ safestrncpy(relhome, relhome, sizeof relhome);
+ }
+ home=1;
+ break;
+ case 'd':
+ running_as_daemon = 1;
+ break;
+ case 'D':
+ pidfile = strdup(optarg);
+ running_as_daemon = 1;
+ break;
+ case 'g':
+ default_landing_page = strdup(optarg);
+ break;
+ case 'B': /* deprecated */
+ break;
+ case 'i':
+ safestrncpy(ip_addr, optarg, sizeof ip_addr);
+ break;
+ case 'p':
+ http_port = atoi(optarg);
+ if (http_port == 0) {
+ safestrncpy(uds_listen_path, optarg, sizeof uds_listen_path);
+ }
+ break;
+ case 't':
+ /* no longer used, but ignored so old scripts don't break */
+ break;
+ case 'T':
+ LoadTemplates = atoi(optarg);
+ dbg_analyze_msg = (LoadTemplates & (1<<1)) != 0;
+ dbg_backtrace_template_errors = (LoadTemplates & (1<<2)) != 0;
+ break;
+ case 'Z':
+ DisableGzip = 1;
+ break;
+ case 'x':
+ max_log_level = atoi(optarg);
+ break;
+ case 'f':
+ follow_xff = 1;
+ break;
+ case 'c':
+ server_cookie = malloc(256);
+ if (server_cookie != NULL) {
+ safestrncpy(server_cookie, "Set-cookie: wcserver=", 256);
+ if (gethostname (&server_cookie[strlen(server_cookie)], 200) != 0) {
+ syslog(LOG_INFO, "gethostname: %s", strerror(errno));
+ free(server_cookie);
+ }
+ }
+ break;
+#ifdef HAVE_OPENSSL
+ case 's':
+ is_https = 1;
+ break;
+ case 'S':
+ is_https = 1;
+ ssl_cipher_list = strdup(optarg);
+ break;
+#endif
+ case 'G':
+ DumpTemplateI18NStrings = 1;
+ I18nDump = NewStrBufPlain(HKEY("int templatestrings(void)\n{\n"));
+ I18nDumpFile = optarg;
+ break;
+ case 'v':
+ verbose=1;
+ break;
+ default:
+ fprintf(stderr, "usage:\nwebcit "
+ "[-i ip_addr] [-p http_port] "
+ "[-c] [-f] "
+ "[-T Templatedebuglevel] "
+ "[-d] [-Z] [-G i18ndumpfile] "
+ "[-u uid] [-h homedirectory] "
+ "[-D daemonizepid] [-v] "
+ "[-g defaultlandingpage] "
+#ifdef HAVE_OPENSSL
+ "[-s] [-S cipher_suites]"
+#endif
+ "[citadel_server_directory]\n");
+ return 1;
+ }
+
+ /* Start the logger */
+ setlogmask(LOG_UPTO(max_log_level));
+ openlog("webcit",
+ ( running_as_daemon ? (LOG_PID) : (LOG_PID | LOG_PERROR) ),
+ LOG_DAEMON
+ );
+
+ while (optind < argc) {
+ ctdl_dir = strdup(argv[optind]);
+ ++optind;
+ }
+
+ /* daemonize, if we were asked to */
+ if (!DumpTemplateI18NStrings && running_as_daemon) {
+ start_daemon(pidfile);
+ }
+ else {
+ signal(SIGINT, graceful_shutdown);
+ signal(SIGHUP, graceful_shutdown);
+ }
+
+ webcit_calc_dirs_n_files(relh, basedir, home, webcitdir, relhome);
+ LoadMimeBlacklist();
+ LoadIconDir(static_icon_dir);
+
+ /* Tell 'em who's in da house */
+ syslog(LOG_NOTICE, "%s", PACKAGE_STRING);
+ syslog(LOG_NOTICE, "Copyright (C) 1996-2023 by the citadel.org team");
+ syslog(LOG_NOTICE, " ");
+ syslog(LOG_NOTICE, "This program is open source software: you can redistribute it and/or");
+ syslog(LOG_NOTICE, "modify it under the terms of the GNU General Public License, version 3.");
+ syslog(LOG_NOTICE, " ");
+ syslog(LOG_NOTICE, "This program is distributed in the hope that it will be useful,");
+ syslog(LOG_NOTICE, "but WITHOUT ANY WARRANTY; without even the implied warranty of");
+ syslog(LOG_NOTICE, "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the");
+ syslog(LOG_NOTICE, "GNU General Public License for more details.");
+ syslog(LOG_NOTICE, " ");
+
+ /* run from the webcit home directory */
+ if (chdir(webcitdir) != 0) {
+ syslog(LOG_ERR, "webcit: %s: %m", webcitdir);
+ exit(errno);
+ }
+
+ /* initialize various subsystems */
+ initialise_modules();
+ initialise2_modules();
+ InitTemplateCache();
+ if (DumpTemplateI18NStrings) {
+ FILE *fd;
+ StrBufAppendBufPlain(I18nDump, HKEY("}\n"), 0);
+ if (StrLength(I18nDump) < 50) {
+ syslog(LOG_INFO, "*******************************************************************\n");
+ syslog(LOG_INFO, "* No strings found in templates! Are you sure they're there? *\n");
+ syslog(LOG_INFO, "*******************************************************************\n");
+ return -1;
+ }
+ fd = fopen(I18nDumpFile, "w");
+ if (fd == NULL) {
+ syslog(LOG_INFO, "***********************************************\n");
+ syslog(LOG_INFO, "* unable to open I18N dumpfile [%s] *\n", I18nDumpFile);
+ syslog(LOG_INFO, "***********************************************\n");
+ return -1;
+ }
+ fwrite(ChrPtr(I18nDump), 1, StrLength(I18nDump), fd);
+ fclose(fd);
+ return 0;
+ }
+
+ /* Tell libical to return an error instead of aborting if it sees badly formed iCalendar data. */
+
+#ifdef LIBICAL_ICAL_EXPORT // cheap and sleazy way to detect libical >=2.0
+ icalerror_set_errors_are_fatal(0);
+#else
+ icalerror_errors_are_fatal = 0;
+#endif
+
+ /* Use our own prefix on tzid's generated from system tzdata */
+ icaltimezone_set_tzid_prefix("/citadel.org/");
+
+ /*
+ * Set up a place to put thread-specific data.
+ * We only need a single pointer per thread - it points to the
+ * wcsession struct to which the thread is currently bound.
+ */
+ if (pthread_key_create(&MyConKey, NULL) != 0) {
+ syslog(LOG_ERR, "Can't create TSD key: %s", strerror(errno));
+ }
+ InitialiseSemaphores();
+
+ /*
+ * Set up a place to put thread-specific SSL data.
+ * We don't stick this in the wcsession struct because SSL starts
+ * up before the session is bound, and it gets torn down between
+ * transactions.
+ */
+#ifdef HAVE_OPENSSL
+ if (pthread_key_create(&ThreadSSL, NULL) != 0) {
+ syslog(LOG_ERR, "Can't create TSD key: %s", strerror(errno));
+ }
+#endif
+
+ /*
+ * Bind the server to our favorite port.
+ * There is no need to check for errors, because webcit_tcp_server()
+ * exits if it doesn't succeed.
+ */
+
+ if (!IsEmptyStr(uds_listen_path)) {
+ syslog(LOG_DEBUG, "Attempting to create listener socket at %s...", uds_listen_path);
+ msock = webcit_uds_server(uds_listen_path, LISTEN_QUEUE_LENGTH);
+ }
+ else {
+ syslog(LOG_DEBUG, "Attempting to bind to port %d...", http_port);
+ msock = webcit_tcp_server(ip_addr, http_port, LISTEN_QUEUE_LENGTH);
+ }
+ if (msock < 0)
+ {
+ ShutDownWebcit();
+ return -msock;
+ }
+
+ syslog(LOG_INFO, "Listening on socket %d", msock);
+ signal(SIGPIPE, SIG_IGN);
+
+ pthread_mutex_init(&SessionListMutex, NULL);
+
+ // Start up the housekeeping thread
+ pthread_attr_init(&attr);
+ pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
+ pthread_create(&SessThread, &attr, (void *(*)(void *)) housekeeping_loop, NULL);
+
+ // If this is an HTTPS server, fire up SSL
+#ifdef HAVE_OPENSSL
+ if (is_https) {
+ init_ssl();
+ }
+#endif
+ drop_root(UID);
+
+ // Become a worker thread. More worker threads will be spawned as they are needed.
+ worker_entry();
+ ShutDownLibCitadel();
+ return 0;
+}
+
+
+
+
+
+
+
projects / citadel.git / blobdiff