/*
- * $Id$
- *
* This contains a simple multithreaded TCP server manager. It sits around
* waiting on the specified port for incoming HTTP connections. When a
* connection is established, it calls context_loop() from context_loop.c.
*
+ * Copyright (c) 1996-2011 by the citadel.org developers.
+ * This program is released under the terms of the GNU General Public License v3.
+ *
*/
-/*
- * Uncomment to dump an HTTP trace to stderr
-#define HTTP_TRACING 1
- */
-
-#include <ctype.h>
-#include <stdlib.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <stdio.h>
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-#include <signal.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/socket.h>
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
-#ifdef HAVE_LIMITS_H
-#include <limits.h>
-#endif
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <string.h>
-#include <pwd.h>
-#include <errno.h>
-#include <stdarg.h>
-#include <pthread.h>
-#include <signal.h>
#include "webcit.h"
#include "webserver.h"
+#include "modules_init.h"
#ifndef HAVE_SNPRINTF
int vsnprintf(char *buf, size_t max, const char *fmt, va_list argp);
#endif
-int verbosity = 9; /* Logging level */
-int msock; /* master listening socket */
+
+extern int msock; /* master listening socket */
+extern int verbosity; /* Logging level */
+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 */
-extern void *context_loop(int);
-extern void *housekeeping_loop(void);
+int follow_xff = 0; /* Follow X-Forwarded-For: header */
+int DisableGzip = 0;
+struct redirector *redir = NULL;
+char *default_landing_page = NULL;
+int num_redir = 0;
extern pthread_mutex_t SessionListMutex;
extern pthread_key_t MyConKey;
+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 */
+char *ctdlhost = DEFAULT_HOST; /* Host name or IP address of Citadel server */
+char *ctdlport = DEFAULT_PORT; /* Port number of Citadel server */
+int setup_wizard = 0; /* should we run the setup wizard? */
+char wizard_filename[PATH_MAX]; /* location of file containing the last webcit version against which we ran setup wizard */
+int running_as_daemon = 0; /* should we deamonize on startup? */
+
+
+/* #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 dbg_analyze_msg;
+extern int dbg_backtrace_template_errors;
+extern int DumpTemplateI18NStrings;
+extern StrBuf *I18nDump;
+void InitTemplateCache(void);
+extern int LoadTemplates;
-char *server_cookie = NULL;
-
-
-char *ctdlhost = DEFAULT_HOST;
-char *ctdlport = DEFAULT_PORT;
-
-/*
- * This is a generic function to set up a master socket for listening on
- * a TCP port. The server shuts down if the bind fails.
- */
-int ig_tcp_server(char *ip_addr, int port_number, int queue_len)
-{
- struct sockaddr_in sin;
- int s, i;
-
- memset(&sin, 0, sizeof(sin));
- sin.sin_family = AF_INET;
- if (ip_addr == NULL) {
- sin.sin_addr.s_addr = INADDR_ANY;
- }
- else {
- sin.sin_addr.s_addr = inet_addr(ip_addr);
- }
-
- if (sin.sin_addr.s_addr == INADDR_NONE) {
- sin.sin_addr.s_addr = INADDR_ANY;
- }
-
- if (port_number == 0) {
- lprintf(1, "Cannot start: no port number specified.\n");
- exit(1);
- }
- sin.sin_port = htons((u_short) port_number);
- s = socket(PF_INET, SOCK_STREAM, (getprotobyname("tcp")->p_proto));
- if (s < 0) {
- lprintf(1, "Can't create a socket: %s\n",
- strerror(errno));
- exit(errno);
- }
- /* Set some socket options that make sense. */
- i = 1;
- setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &i, sizeof(i));
- if (bind(s, (struct sockaddr *) &sin, sizeof(sin)) < 0) {
- lprintf(1, "Can't bind: %s\n", strerror(errno));
- exit(errno);
- }
- if (listen(s, queue_len) < 0) {
- lprintf(1, "Can't listen: %s\n", strerror(errno));
- exit(errno);
- }
- return (s);
-}
/*
- * Read data from the client socket.
- * Return values are:
- * 1 Requested number of bytes has been read.
- * 0 Request timed out.
- * -1 Connection is broken, or other error.
+ * Handle redirects to legacy web servers
*/
-int client_read_to(int sock, char *buf, int bytes, int timeout)
-{
- int len, rlen;
- fd_set rfds;
- struct timeval tv;
- int retval;
-
-
-#ifdef HAVE_OPENSSL
- if (is_https) {
- return(client_read_ssl(buf, bytes, timeout));
- }
-#endif
-
- len = 0;
- while (len < bytes) {
- FD_ZERO(&rfds);
- FD_SET(sock, &rfds);
- tv.tv_sec = timeout;
- tv.tv_usec = 0;
-
- retval = select((sock) + 1,
- &rfds, NULL, NULL, &tv);
- if (FD_ISSET(sock, &rfds) == 0) {
- return (0);
+void handle_redir(void) {
+ if (num_redir > 0) {
+ int i;
+ const char *req = ChrPtr(WC->Hdr->this_page);
+ if (!req) {
+ do_404();
+ return;
}
-
- rlen = read(sock, &buf[len], bytes - len);
-
- if (rlen < 1) {
- lprintf(2, "client_read() failed: %s\n",
- strerror(errno));
- return(-1);
+ if (req[0] == '/') ++req;
+ syslog(9, "handle_redir() called; redirect this: %s", req);
+ for (i=0; i<num_redir; ++i) {
+ if (!strncmp(redir[i].urlpart, req, strlen(redir[i].urlpart))) {
+ char go_here[1024];
+ snprintf(go_here, sizeof go_here, redir[i].redirect_to, req);
+ syslog(9, "redirecting to: %s", go_here);
+ http_redirect(go_here);
+ return;
+ }
}
- len = len + rlen;
- }
-
-#ifdef HTTP_TRACING
- write(2, "\033[32m", 5);
- write(2, buf, bytes);
- write(2, "\033[30m", 5);
-#endif
- return (1);
-}
-
-
-ssize_t client_write(const void *buf, size_t count) {
-
- if (WC->burst != NULL) {
- WC->burst = realloc(WC->burst, (WC->burst_len + count + 2));
- memcpy(&WC->burst[WC->burst_len], buf, count);
- WC->burst_len += count;
- return(count);
- }
-
-#ifdef HAVE_OPENSSL
- if (is_https) {
- client_write_ssl((char *)buf, count);
- return(count);
- }
-#endif
-#ifdef HTTP_TRACING
- write(2, "\033[34m", 5);
- write(2, buf, count);
- write(2, "\033[30m", 5);
-#endif
- return(write(WC->http_sock, buf, count));
-}
-
-
-void begin_burst(void) {
- if (WC->burst != NULL) {
- free(WC->burst);
- WC->burst = NULL;
}
- WC->burst_len = 0;
- WC->burst = malloc(SIZ);
+ do_404();
}
-void end_burst(void) {
- size_t the_len;
- char *the_data;
-
- the_len = WC->burst_len;
- the_data = WC->burst;
-
- WC->burst_len = 0;
- WC->burst = NULL;
-
- wprintf("Content-length: %d\r\n\r\n", the_len);
- client_write(the_data, the_len);
- free(the_data);
-}
-
-
-
-/*
- * Read data from the client socket with default timeout.
- * (This is implemented in terms of client_read_to() and could be
- * justifiably moved out of sysdep.c)
- */
-int client_read(int sock, char *buf, int bytes)
-{
- return (client_read_to(sock, buf, bytes, SLEEPING));
-}
/*
- * client_gets() ... Get a LF-terminated line of text from the client.
- * (This is implemented in terms of client_read() and could be
- * justifiably moved out of sysdep.c)
+ * load redirect strings (for supporting transition of legacy web servers to citadel on the same host)
*/
-int client_gets(int sock, char *buf)
-{
- int i, retval;
-
- /* Read one character at a time.
- */
- for (i = 0;; i++) {
- retval = client_read(sock, &buf[i], 1);
- if (retval != 1 || buf[i] == '\n' || i == 255)
- break;
- }
-
- /* If we got a long line, discard characters until the newline.
- */
- if (i == 255)
- while (buf[i] != '\n' && retval == 1)
- retval = client_read(sock, &buf[i], 1);
-
- /*
- * Strip any trailing non-printable characters.
- */
- buf[i] = 0;
- while ((strlen(buf) > 0) && (!isprint(buf[strlen(buf) - 1]))) {
- buf[strlen(buf) - 1] = 0;
+void load_redirs(char *filename) {
+ char buf[1024];
+ int num_redir_alloc = num_redir;
+ FILE *fp = fopen(filename, "r");
+ if (!fp) {
+ syslog(1, "Cannot open %s: %s", filename, strerror(errno));
+ return;
}
- return (retval);
-}
-
-/*
- * Start running as a daemon. Only close stdio if do_close_stdio is set.
- */
-void start_daemon(int do_close_stdio)
-{
- if (do_close_stdio) {
- /* close(0); */
- close(1);
- close(2);
- }
- signal(SIGHUP, SIG_IGN);
- signal(SIGINT, SIG_IGN);
- signal(SIGQUIT, SIG_IGN);
- if (fork() != 0)
- exit(0);
-}
+ while (fgets(buf, sizeof buf, fp) != NULL) {
+ char *ch;
-void spawn_another_worker_thread() {
- pthread_t SessThread; /* Thread descriptor */
- pthread_attr_t attr; /* Thread attributes */
- int ret;
+ buf[strlen(buf)-1] = 0;
- lprintf(3, "Creating a new thread\n");
+ ch = strchr(buf, '#');
+ if (ch) strcpy(ch, "");
+ striplt(buf);
+ if (!IsEmptyStr(buf)) {
- /* set attributes for the new thread */
- pthread_attr_init(&attr);
- pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
+ if (num_redir >= num_redir_alloc) {
+ if (num_redir_alloc == 0) {
+ num_redir_alloc = 10;
+ }
+ else {
+ num_redir_alloc = num_redir_alloc * 2;
+ }
+ redir = realloc(redir, sizeof(struct redirector) * num_redir_alloc );
+ }
+
+ extract_token(redir[num_redir].urlpart, buf, 0, '|', sizeof(redir[num_redir].urlpart));
+ extract_token(redir[num_redir].redirect_to, buf, 1, '|', sizeof(redir[num_redir].redirect_to));
+ WebcitAddUrlHandler(redir[num_redir].urlpart, strlen(redir[num_redir].urlpart), "", 0, handle_redir, ANONYMOUS|COOKIEUNNEEDED|ISSTATIC);
+ if (!strcasecmp(redir[num_redir].urlpart, "home")) {
+ default_landing_page = redir[num_redir].redirect_to ;
+ }
+ ++num_redir;
+ }
- /* Our per-thread stacks need to be bigger than the default size, otherwise
- * the MIME parser crashes on FreeBSD, and the IMAP service crashes on
- * 64-bit Linux.
- */
- if ((ret = pthread_attr_setstacksize(&attr, 1024 * 1024))) {
- lprintf(1, "pthread_attr_setstacksize: %s\n", strerror(ret));
- pthread_attr_destroy(&attr);
}
+ fclose(fp);
+}
- /* now create the thread */
- if (pthread_create(&SessThread, &attr,
- (void *(*)(void *)) worker_entry, NULL)
- != 0) {
- lprintf(1, "Can't create thread: %s\n",
- strerror(errno));
- }
- /* free up the attributes */
- pthread_attr_destroy(&attr);
-}
/*
* Here's where it all begins.
*/
int main(int argc, char **argv)
{
- pthread_t SessThread; /* Thread descriptor */
- pthread_attr_t attr; /* Thread attributes */
- int a, i; /* General-purpose variables */
- int port = PORT_NUM; /* Port to listen on */
+ uid_t UID = -1;
+ size_t basesize = 2; /* how big should strbufs be on creation? */
+ pthread_t SessThread; /* Thread descriptor */
+ pthread_attr_t attr; /* Thread attributes */
+ int a; /* General-purpose variable */
char tracefile[PATH_MAX];
- char ip_addr[256];
+ 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;
+ FILE *rvfp = NULL;
+ int rv = 0;
+
+ 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.%02d\n",
+ (libcitadel_version_number() / 100), (libcitadel_version_number() % 100));
+ fprintf(stderr, "WebCit was compiled against version %d.%02d\n",
+ (LIBCITADEL_VERSION_NUMBER / 100), (LIBCITADEL_VERSION_NUMBER % 100));
+ return(1);
+ }
+
+ strcpy(uds_listen_path, "");
/* Parse command line */
#ifdef HAVE_OPENSSL
- while ((a = getopt(argc, argv, "hi:p:t:cs")) != EOF)
+ while ((a = getopt(argc, argv, "u:h:i:p:t:T:B:x:dD:G:r:cfsS:Z")) != EOF)
#else
- while ((a = getopt(argc, argv, "hi:p:t:c")) != EOF)
+ while ((a = getopt(argc, argv, "u:h:i:p:t:T:B:x:dD:G:r:cfZ")) != EOF)
#endif
switch (a) {
+ case 'u':
+ UID = atol(optarg);
+ break;
+ case 'r':
+ load_redirs(optarg);
+ break;
+ case 'h':
+ hdir = strdup(optarg);
+ relh=hdir[0]!='/';
+ if (!relh) {
+ safestrncpy(webcitdir, hdir, sizeof webcitdir);
+ }
+ else {
+ safestrncpy(relhome, relhome, sizeof relhome);
+ }
+ /* free(hdir); TODO: SHOULD WE DO THIS? */
+ home=1;
+ break;
+ case 'd':
+ running_as_daemon = 1;
+ break;
+ case 'D':
+ pidfile = strdup(optarg);
+ running_as_daemon = 1;
+ break;
+ case 'B': /* Basesize */
+ basesize = atoi(optarg);
+ if (basesize > 2)
+ StartLibCitadel(basesize);
+ break;
case 'i':
- strcpy(ip_addr, optarg);
+ safestrncpy(ip_addr, optarg, sizeof ip_addr);
break;
case 'p':
- port = atoi(optarg);
+ http_port = atoi(optarg);
+ if (http_port == 0) {
+ safestrncpy(uds_listen_path, optarg, sizeof uds_listen_path);
+ }
break;
case 't':
- strcpy(tracefile, optarg);
- freopen(tracefile, "w", stdout);
- freopen(tracefile, "w", stderr);
- freopen(tracefile, "r", stdin);
+ safestrncpy(tracefile, optarg, sizeof tracefile);
+ rvfp = freopen(tracefile, "w", stdout);
+ rvfp = freopen(tracefile, "w", stderr);
+ rvfp = freopen(tracefile, "r", stdin);
+ 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':
verbosity = atoi(optarg);
break;
+ case 'f':
+ follow_xff = 1;
+ break;
case 'c':
- server_cookie = malloc(SIZ);
+ server_cookie = malloc(256);
if (server_cookie != NULL) {
- strcpy(server_cookie, "Set-cookie: wcserver=");
- if (gethostname(
- &server_cookie[strlen(server_cookie)],
- 200) != 0) {
- lprintf(2, "gethostname: %s\n",
- strerror(errno));
+ safestrncpy(server_cookie,
+ "Set-cookie: wcserver=",
+ 256);
+ if (gethostname
+ (&server_cookie[strlen(server_cookie)],
+ 200) != 0) {
+ syslog(2, "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;
default:
- fprintf(stderr, "usage: webserver "
+ fprintf(stderr, "usage: webcit "
"[-i ip_addr] [-p http_port] "
- "[-t tracefile] [-c] "
+ "[-t tracefile] [-c] [-f] "
+ "[-T Templatedebuglevel] "
+ "[-d] [-Z] [-G i18ndumpfile] "
#ifdef HAVE_OPENSSL
- "[-s] "
+ "[-s] [-S cipher_suites]"
#endif
"[remotehost [remoteport]]\n");
return 1;
}
+ /* Start the logger */
+ openlog("webcit",
+ ( running_as_daemon ? (LOG_PID) : (LOG_PID | LOG_PERROR) ),
+ LOG_DAEMON
+ );
+
if (optind < argc) {
ctdlhost = argv[optind];
if (++optind < argc)
ctdlport = argv[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);
+ LoadIconDir(static_icon_dir);
+
/* Tell 'em who's in da house */
- lprintf(1, SERVER "\n"
-"Copyright (C) 1996-2005 by the Citadel/UX development team.\n"
-"This software is distributed under the terms of the GNU General Public\n"
-"License. If you paid for this software, someone is ripping you off.\n\n");
-
- if (chdir(WEBCITDIR) != 0)
- perror("chdir");
-
- /*
- * 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) {
- lprintf(1, "Can't create TSD key: %s\n", strerror(errno));
- }
+ syslog(1, "%s", PACKAGE_STRING);
+ syslog(1, "Copyright (C) 1996-2011 by the citadel.org team");
+ syslog(1, " ");
+ syslog(1, "This program is open source software: you can redistribute it and/or");
+ syslog(1, "modify it under the terms of the GNU General Public License as published");
+ syslog(1, "by the Free Software Foundation, either version 3 of the License, or");
+ syslog(1, "(at your option) any later version.");
+ syslog(1, " ");
+ syslog(1, "This program is distributed in the hope that it will be useful,");
+ syslog(1, "but WITHOUT ANY WARRANTY; without even the implied warranty of");
+ syslog(1, "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the");
+ syslog(1, "GNU General Public License for more details.");
+ syslog(1, " ");
+ syslog(1, "You should have received a copy of the GNU General Public License");
+ syslog(1, "along with this program. If not, see <http://www.gnu.org/licenses/>.");
+ syslog(1, " ");
+
+
+ /* initialize various subsystems */
+
+ initialise_modules();
+ InitTemplateCache();
+ if (DumpTemplateI18NStrings) {
+ FILE *fd;
+ StrBufAppendBufPlain(I18nDump, HKEY("}\n"), 0);
+ if (StrLength(I18nDump) < 50) {
+ syslog(1, "********************************************************************************\n");
+ syslog(1, "* No strings found in templates! Are you sure they're there? *\n");
+ syslog(1, "********************************************************************************\n");
+ return -1;
+ }
+ fd = fopen(I18nDumpFile, "w");
+ if (fd == NULL) {
+ syslog(1, "********************************************************************************\n");
+ syslog(1, "* unable to open I18N dumpfile [%s] *\n", I18nDumpFile);
+ syslog(1, "********************************************************************************\n");
+ return -1;
+ }
+ rv = 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. */
+ icalerror_errors_are_fatal = 0;
+
+ /* 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(1, "Can't create TSD key: %s\n", strerror(errno));
+ }
+ InitialiseSemaphores ();
/*
* Set up a place to put thread-specific SSL data.
* transactions.
*/
#ifdef HAVE_OPENSSL
- if (pthread_key_create(&ThreadSSL, NULL) != 0) {
- lprintf(1, "Can't create TSD key: %s\n", strerror(errno));
- }
+ if (pthread_key_create(&ThreadSSL, NULL) != 0) {
+ syslog(1, "Can't create TSD key: %s\n", strerror(errno));
+ }
#endif
/*
* Bind the server to our favorite port.
- * There is no need to check for errors, because ig_tcp_server()
+ * There is no need to check for errors, because webcit_tcp_server()
* exits if it doesn't succeed.
*/
- lprintf(2, "Attempting to bind to port %d...\n", port);
- msock = ig_tcp_server(ip_addr, port, LISTEN_QUEUE_LENGTH);
- lprintf(2, "Listening on socket %d\n", msock);
+
+ if (!IsEmptyStr(uds_listen_path)) {
+ syslog(2, "Attempting to create listener socket at %s...\n", uds_listen_path);
+ msock = webcit_uds_server(uds_listen_path, LISTEN_QUEUE_LENGTH);
+ }
+ else {
+ syslog(2, "Attempting to bind to port %d...\n", http_port);
+ msock = webcit_tcp_server(ip_addr, http_port, LISTEN_QUEUE_LENGTH);
+ }
+ if (msock < 0)
+ {
+ ShutDownWebcit();
+ return -msock;
+ }
+
+ syslog(2, "Listening on socket %d\n", msock);
signal(SIGPIPE, SIG_IGN);
pthread_mutex_init(&SessionListMutex, NULL);
init_ssl();
}
#endif
+ drop_root(UID);
- /* Start a few initial worker threads */
- for (i=0; i<(MIN_WORKER_THREADS); ++i) {
- spawn_another_worker_thread();
- }
-
- /* now the original thread becomes another worker */
+ /* Become a worker thread. More worker threads will be spawned as they are needed. */
worker_entry();
+ ShutDownLibCitadel();
return 0;
}
-/*
- * Entry point for worker threads
- */
-void worker_entry(void) {
- int ssock;
- int i = 0;
- int time_to_die = 0;
- int fail_this_transaction = 0;
-
- do {
- /* Only one thread can accept at a time */
- fail_this_transaction = 0;
- ssock = accept(msock, NULL, 0);
- if (ssock < 0) {
- lprintf(2, "accept() failed: %s\n", strerror(errno));
- } else {
- /* Set the SO_REUSEADDR socket option */
- i = 1;
- setsockopt(ssock, SOL_SOCKET, SO_REUSEADDR,
- &i, sizeof(i));
-
- /* If we are an HTTPS server, go crypto now. */
-#ifdef HAVE_OPENSSL
- if (is_https) {
- if (starttls(ssock) != 0) {
- fail_this_transaction = 1;
- close(ssock);
- }
- }
-#endif
- if (fail_this_transaction == 0) {
- /* Perform an HTTP transaction... */
- context_loop(ssock);
- /* ...and close the socket. */
- lingering_close(ssock);
- }
- }
- } while (!time_to_die);
-
- pthread_exit(NULL);
-}
-int lprintf(int loglevel, const char *format, ...)
-{
- va_list ap;
-
- if (loglevel <= verbosity) {
- va_start(ap, format);
- vfprintf(stderr, format, ap);
- va_end(ap);
- fflush(stderr);
- }
- return 1;
-}
projects / citadel.git / blobdiff