*
*/
-
-#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"
+#if HAVE_BACKTRACE
+#include <execinfo.h>
+#endif
+
#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 */
int is_https = 0; /* Nonzero if I am an HTTPS service */
+int follow_xff = 0; /* Follow X-Forwarded-For: header */
+int home_specified = 0; /* did the user specify a homedir? */
+int time_to_die = 0; /* Nonzero if server is shutting down */
extern void *context_loop(int);
extern void *housekeeping_loop(void);
extern pthread_mutex_t SessionListMutex;
extern pthread_key_t MyConKey;
-char *server_cookie = NULL;
-
+char ctdl_key_dir[PATH_MAX]=SSL_DIR;
+char file_crpt_file_key[PATH_MAX]="";
+char file_crpt_file_csr[PATH_MAX]="";
+char file_crpt_file_cer[PATH_MAX]="";
-char *ctdlhost = DEFAULT_HOST;
-char *ctdlport = DEFAULT_PORT;
-int setup_wizard = 0;
-char wizard_filename[PATH_MAX];
+char socket_dir[PATH_MAX]; /* where to talk to our citadel server */
+static const char editor_absolut_dir[PATH_MAX]=EDITORDIR; /* nailed to what configure gives us. */
+static char static_dir[PATH_MAX]; /* calculated on startup */
+static char static_local_dir[PATH_MAX]; /* calculated on startup */
+static char static_icon_dir[PATH_MAX]; /* where should we find our mime icons? */
+char *static_dirs[]={ /* needs same sort order as the web mapping */
+ (char*)static_dir, /* our templates on disk */
+ (char*)static_local_dir, /* user provided templates disk */
+ (char*)editor_absolut_dir, /* the editor on disk */
+ (char*)static_icon_dir /* our icons... */
+};
/*
+ * Subdirectories from which the client may request static content
+ *
+ * (If you add more, remember to increment 'ndirs' below)
+ */
+char *static_content_dirs[] = {
+ "static", /** static templates */
+ "static.local", /** site local static templates */
+ "tiny_mce" /** rich text editor */
+};
+
+int ndirs=3;
+
+
+char *server_cookie = NULL; /* our Cookie connection to the client */
+int http_port = PORT_NUM; /* Port to listen on */
+char *ctdlhost = DEFAULT_HOST; /* our name */
+char *ctdlport = DEFAULT_PORT; /* our Port */
+int setup_wizard = 0; /* should we run the setup wizard? \todo */
+char wizard_filename[PATH_MAX]; /* where's the setup wizard? */
+int running_as_daemon = 0; /* should we deamonize on startup? */
+
+
+/*
* 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.
+ *
+ * ip_addr IP address to bind
+ * port_number port number to bind
+ * queue_len number of incoming connections to allow in the queue
*/
int ig_tcp_server(char *ip_addr, int port_number, int queue_len)
{
if (port_number == 0) {
lprintf(1, "Cannot start: no port number specified.\n");
- exit(1);
+ exit(WC_EXIT_BIND);
}
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);
+ exit(WC_EXIT_BIND);
}
/* Set some socket options that make sense. */
i = 1;
setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &i, sizeof(i));
+ fcntl(s, F_SETFL, O_NONBLOCK); /* maide: this statement is incorrect
+ there should be a preceding F_GETFL
+ and a bitwise OR with the previous
+ fd flags */
+
if (bind(s, (struct sockaddr *) &sin, sizeof(sin)) < 0) {
lprintf(1, "Can't bind: %s\n", strerror(errno));
- exit(errno);
+ exit(WC_EXIT_BIND);
}
if (listen(s, queue_len) < 0) {
lprintf(1, "Can't listen: %s\n", strerror(errno));
- exit(errno);
+ exit(WC_EXIT_BIND);
}
return (s);
}
+
+/*
+ * \brief Create a Unix domain socket and listen on it
+ * \param sockpath file name of the unix domain socket
+ * \param queue_len Number of incoming connections to allow in the queue
+ */
+int ig_uds_server(char *sockpath, int queue_len)
+{
+ struct sockaddr_un addr;
+ int s;
+ int i;
+ int actual_queue_len;
+
+ actual_queue_len = queue_len;
+ if (actual_queue_len < 5) actual_queue_len = 5;
+
+ i = unlink(sockpath);
+ if (i != 0) if (errno != ENOENT) {
+ lprintf(1, "webserver: can't unlink %s: %s\n",
+ sockpath, strerror(errno));
+ exit(WC_EXIT_BIND);
+ }
+
+ memset(&addr, 0, sizeof(addr));
+ addr.sun_family = AF_UNIX;
+ safestrncpy(addr.sun_path, sockpath, sizeof addr.sun_path);
+
+ s = socket(AF_UNIX, SOCK_STREAM, 0);
+ if (s < 0) {
+ lprintf(1, "webserver: Can't create a socket: %s\n",
+ strerror(errno));
+ exit(WC_EXIT_BIND);
+ }
+
+ if (bind(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
+ lprintf(1, "webserver: Can't bind: %s\n",
+ strerror(errno));
+ exit(WC_EXIT_BIND);
+ }
+
+ if (listen(s, actual_queue_len) < 0) {
+ lprintf(1, "webserver: Can't listen: %s\n",
+ strerror(errno));
+ exit(WC_EXIT_BIND);
+ }
+
+ chmod(sockpath, 0777);
+ 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.
+ * \brief Read data from the client socket.
+ * \param sock socket fd to read from
+ * \param buf buffer to read into
+ * \param bytes number of bytes to read
+ * \param timeout Number of seconds to wait before timing out
+ * \return values are\
+ * 1 Requested number of bytes has been read.\
+ * 0 Request timed out.\
+ * -1 Connection is broken, or other error.
*/
int client_read_to(int sock, char *buf, int bytes, int timeout)
{
return (1);
}
-
+/*
+ * \brief write data to the client
+ * \param buf data to write to the client
+ * \param count size of buffer
+ */
ssize_t client_write(const void *buf, size_t count)
{
+ char *newptr;
+ size_t newalloc;
+ size_t bytesWritten = 0;
+ ssize_t res;
+ fd_set wset;
+ int fdflags;
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);
+ if ((WC->burst_len + count) >= WC->burst_alloc) {
+ newalloc = (WC->burst_alloc * 2);
+ if ((WC->burst_len + count) >= newalloc) {
+ newalloc += count;
+ }
+ newptr = realloc(WC->burst, newalloc);
+ if (newptr != NULL) {
+ WC->burst = newptr;
+ WC->burst_alloc = newalloc;
+ }
+ }
+ if ((WC->burst_len + count) < WC->burst_alloc) {
+ memcpy(&WC->burst[WC->burst_len], buf, count);
+ WC->burst_len += count;
+ return (count);
+ }
+ else {
+ return(-1);
+ }
}
#ifdef HAVE_OPENSSL
if (is_https) {
write(2, buf, count);
write(2, "\033[30m", 5);
#endif
- return (write(WC->http_sock, buf, count));
+ fdflags = fcntl(WC->http_sock, F_GETFL);
+
+ while (bytesWritten < count) {
+ if ((fdflags & O_NONBLOCK) == O_NONBLOCK) {
+ FD_ZERO(&wset);
+ FD_SET(WC->http_sock, &wset);
+ if (select(1, NULL, &wset, NULL, NULL) == -1) {
+ lprintf(2, "client_write: Socket select failed (%s)\n", strerror(errno));
+ return -1;
+ }
+ }
+
+ if ((res = write(WC->http_sock, (char*)buf + bytesWritten,
+ count - bytesWritten)) == -1) {
+ lprintf(2, "client_write: Socket write failed (%s)\n", strerror(errno));
+ return res;
+ }
+ bytesWritten += res;
+ }
+
+ return bytesWritten;
}
-
+/*
+ * \brief Begin buffering HTTP output so we can transmit it all in one write operation later.
+ */
void begin_burst(void)
{
if (WC->burst != NULL) {
WC->burst = NULL;
}
WC->burst_len = 0;
- WC->burst = malloc(SIZ);
+ WC->burst_alloc = 32768;
+ WC->burst = malloc(WC->burst_alloc);
}
/*
- * compress_gzip() uses the same calling syntax as compress2(), but it
+ * \brief uses the same calling syntax as compress2(), but it
* creates a stream compatible with HTTP "Content-encoding: gzip"
*/
#ifdef HAVE_ZLIB
-#define DEF_MEM_LEVEL 8
-#define OS_CODE 0x03 /* unix */
-int ZEXPORT compress_gzip(Bytef * dest, uLongf * destLen,
- const Bytef * source, uLong sourceLen, int level)
+#define DEF_MEM_LEVEL 8 /*< memlevel??? */
+#define OS_CODE 0x03 /*< unix */
+int ZEXPORT compress_gzip(Bytef * dest, /*< compressed buffer*/
+ size_t * destLen, /*< length of the compresed data */
+ const Bytef * source, /*< source to encode */
+ uLong sourceLen, /*< length of source to encode */
+ int level) /*< compression level */
{
const int gz_magic[2] = { 0x1f, 0x8b }; /* gzip magic header */
/* write gzip header */
- sprintf((char *) dest, "%c%c%c%c%c%c%c%c%c%c",
- gz_magic[0], gz_magic[1], Z_DEFLATED,
- 0 /*flags */ , 0, 0, 0, 0 /*time */ , 0 /*xflags */ ,
- OS_CODE);
+ snprintf((char *) dest, *destLen,
+ "%c%c%c%c%c%c%c%c%c%c",
+ gz_magic[0], gz_magic[1], Z_DEFLATED,
+ 0 /*flags */ , 0, 0, 0, 0 /*time */ , 0 /* xflags */ ,
+ OS_CODE);
/* normal deflate */
z_stream stream;
}
#endif
+/*
+ * \brief Finish buffering HTTP output. [Compress using zlib and] output with a Content-Length: header.
+ */
void end_burst(void)
{
size_t the_len;
the_data = WC->burst;
WC->burst_len = 0;
+ WC->burst_alloc = 0;
WC->burst = NULL;
#ifdef HAVE_ZLIB
- /* Handle gzip compression */
+ /* Perform gzip compression, if enabled and supported by client */
if (WC->gzip_ok) {
char *compressed_data = NULL;
- uLongf compressed_len;
+ size_t compressed_len;
- compressed_len = (uLongf) ((the_len * 101) / 100) + 100;
+ compressed_len = ((the_len * 101) / 100) + 100;
compressed_data = malloc(compressed_len);
if (compress_gzip((Bytef *) compressed_data,
free(compressed_data);
}
}
-#endif /* HAVE_ZLIB */
+#endif /* HAVE_ZLIB */
wprintf("Content-length: %d\r\n\r\n", the_len);
client_write(the_data, the_len);
/*
- * Read data from the client socket with default timeout.
+ * \brief 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)
+ * \param sock the socket fd to read from
+ * \param buf the buffer to write to
+ * \param bytes Number of bytes to read
*/
int client_read(int sock, char *buf, int bytes)
{
/*
- * client_gets() ... Get a LF-terminated line of text from the client.
+ * \brief 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)
+ * \param sock socket fd to get client line from
+ * \param buf buffer to write read data to
+ * \param bufsiz how many bytes to read
+ * \return number of bytes read???
*/
-int client_gets(int sock, char *buf)
+int client_getln(int sock, char *buf, int bufsiz)
{
int i, retval;
- /* Read one character at a time.
- */
+ /* 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)
+ if (retval != 1 || buf[i] == '\n' || i == (bufsiz-1))
break;
+ if ( (!isspace(buf[i])) && (!isprint(buf[i])) ) {
+ /* Non printable character recieved from client */
+ return(-1);
+ }
}
- /* If we got a long line, discard characters until the newline.
- */
- if (i == 255)
+ /* If we got a long line, discard characters until the newline. */
+ if (i == (bufsiz-1))
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;
+ while ((i > 0) && (!isprint(buf[i - 1]))) {
+ buf[--i] = 0;
}
return (retval);
}
+/*
+ * \brief shut us down the regular way.
+ * param signum the signal we want to forward
+ */
+pid_t current_child;
+void graceful_shutdown_watcher(int signum) {
+ lprintf (1, "bye; shutting down watcher.");
+ kill(current_child, signum);
+ if (signum != SIGHUP)
+ exit(0);
+}
+
+/*
+ * \brief shut us down the regular way.
+ * param signum the signal we want to forward
+ */
+pid_t current_child;
+void graceful_shutdown(int signum) {
+// kill(current_child, signum);
+ char wd[SIZ];
+ FILE *FD;
+ int fd;
+ getcwd(wd, SIZ);
+ lprintf (1, "bye going down gracefull.[%d][%s]\n", signum, wd);
+ fd = msock;
+ msock = -1;
+ time_to_die = 1;
+ FD=fdopen(fd, "a+");
+ fflush (FD);
+ fclose (FD);
+ close(fd);
+}
+
+
+/*
+ * \brief Start running as a daemon.
+ *
+ * param do_close_stdio Only close stdio if set.
+ */
/*
- * Start running as a daemon. Only close stdio if do_close_stdio is set.
+ * Start running as a daemon.
*/
-void start_daemon(int do_close_stdio)
+void start_daemon(char *pid_file)
{
- if (do_close_stdio) {
- /* close(0); */
- close(1);
- close(2);
- }
+ int status = 0;
+ pid_t child = 0;
+ FILE *fp;
+ int do_restart = 0;
+
+ current_child = 0;
+
+ /* Close stdin/stdout/stderr and replace them with /dev/null.
+ * We don't just call close() because we don't want these fd's
+ * to be reused for other files.
+ */
+ chdir("/");
+
signal(SIGHUP, SIG_IGN);
signal(SIGINT, SIG_IGN);
signal(SIGQUIT, SIG_IGN);
- if (fork() != 0)
+
+ child = fork();
+ if (child != 0) {
exit(0);
+ }
+
+ setsid();
+ umask(0);
+ freopen("/dev/null", "r", stdin);
+ freopen("/dev/null", "w", stdout);
+ freopen("/dev/null", "w", stderr);
+ signal(SIGTERM, graceful_shutdown_watcher);
+ signal(SIGHUP, graceful_shutdown_watcher);
+
+ do {
+ current_child = fork();
+
+
+ if (current_child < 0) {
+ perror("fork");
+ exit(errno);
+ }
+
+ else if (current_child == 0) { // child process
+// signal(SIGTERM, graceful_shutdown);
+ signal(SIGHUP, graceful_shutdown);
+
+ return; /* continue starting webcit. */
+ }
+
+ else { // watcher process
+// signal(SIGTERM, SIG_IGN);
+// signal(SIGHUP, SIG_IGN);
+ if (pid_file) {
+ fp = fopen(pid_file, "w");
+ if (fp != NULL) {
+ fprintf(fp, "%d\n", getpid());
+ fclose(fp);
+ }
+ }
+ waitpid(current_child, &status, 0);
+ }
+
+ do_restart = 0;
+
+ /* Did the main process exit with an actual exit code? */
+ if (WIFEXITED(status)) {
+
+ /* Exit code 0 means the watcher should exit */
+ if (WEXITSTATUS(status) == 0) {
+ do_restart = 0;
+ }
+
+ /* Exit code 101-109 means the watcher should exit */
+ else if ( (WEXITSTATUS(status) >= 101) && (WEXITSTATUS(status) <= 109) ) {
+ do_restart = 0;
+ }
+
+ /* Any other exit code means we should restart. */
+ else {
+ do_restart = 1;
+ }
+ }
+
+ /* Any other type of termination (signals, etc.) should also restart. */
+ else {
+ do_restart = 1;
+ }
+
+ } while (do_restart);
+
+ if (pid_file) {
+ unlink(pid_file);
+ }
+ exit(WEXITSTATUS(status));
}
+/*
+ * \brief Spawn an additional worker thread into the pool.
+ */
void spawn_another_worker_thread()
{
- pthread_t SessThread; /* Thread descriptor */
- pthread_attr_t attr; /* Thread attributes */
+ pthread_t SessThread; /*< Thread descriptor */
+ pthread_attr_t attr; /*< Thread attributes */
int ret;
lprintf(3, "Creating a new thread\n");
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
- /* Our per-thread stacks need to be bigger than the default size, otherwise
+ /*
+ * 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.
*/
}
/*
- * Here's where it all begins.
+ * \brief Here's where it all begins.
+ * \param argc number of commandline args
+ * \param argv the commandline arguments
*/
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 */
+ pthread_t SessThread; /*< Thread descriptor */
+ pthread_attr_t attr; /*< Thread attributes */
+ int a, i; /*< General-purpose variables */
char tracefile[PATH_MAX];
- char ip_addr[256];
+ char ip_addr[256]="0.0.0.0";
+ char dirbuffer[PATH_MAX]="";
+ int relh=0;
+ int home=0;
+ int home_specified=0;
+ char relhome[PATH_MAX]="";
+ char webcitdir[PATH_MAX] = DATADIR;
+ char *pidfile = NULL;
+ char *hdir;
+ const char *basedir;
+#ifdef ENABLE_NLS
+ char *locale = NULL;
+ char *mo = NULL;
+#endif /* ENABLE_NLS */
+ char uds_listen_path[PATH_MAX]; /*< listen on a unix domain socket? */
+
+ /* 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:x:cs")) != EOF)
+ while ((a = getopt(argc, argv, "h:i:p:t:x:dD:cfs")) != EOF)
#else
- while ((a = getopt(argc, argv, "hi:p:t:x:c")) != EOF)
+ while ((a = getopt(argc, argv, "h:i:p:t:x:dD:cf")) != EOF)
#endif
switch (a) {
+ 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_specified = 1;
+ home=1;
+ break;
+ case 'd':
+ running_as_daemon = 1;
+ break;
+ case 'D':
+ pidfile = strdup(optarg);
+ running_as_daemon = 1;
+ break;
case 'i':
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':
safestrncpy(tracefile, optarg, sizeof tracefile);
case 'x':
verbosity = atoi(optarg);
break;
+ case 'f':
+ follow_xff = 1;
+ break;
case 'c':
server_cookie = malloc(256);
if (server_cookie != NULL) {
default:
fprintf(stderr, "usage: webserver "
"[-i ip_addr] [-p http_port] "
- "[-t tracefile] [-c] "
+ "[-t tracefile] [-c] [-f] "
+ "[-d] "
#ifdef HAVE_OPENSSL
"[-s] "
#endif
if (++optind < argc)
ctdlport = argv[optind];
}
+
+ /* daemonize, if we were asked to */
+ if (running_as_daemon) {
+ start_daemon(pidfile);
+ }
+ else {
+/// signal(SIGTERM, graceful_shutdown);
+ signal(SIGHUP, graceful_shutdown);
+ }
+
/* 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");
+ lprintf(1, PACKAGE_STRING "\n");
+ lprintf(1, "Copyright (C) 1996-2008 by the Citadel development team.\n"
+ "This software is distributed under the terms of the "
+ "GNU General Public License.\n\n"
+ );
- if (chdir(WEBCITDIR) != 0)
+
+ /* initialize the International Bright Young Thing */
+#ifdef ENABLE_NLS
+ initialize_locales();
+
+ locale = setlocale(LC_ALL, "");
+
+ mo = malloc(strlen(webcitdir) + 20);
+ lprintf(9, "Message catalog directory: %s\n", bindtextdomain("webcit", LOCALEDIR"/locale"));
+ free(mo);
+ lprintf(9, "Text domain: %s\n", textdomain("webcit"));
+ lprintf(9, "Text domain Charset: %s\n", bind_textdomain_codeset("webcit","UTF8"));
+ preset_locale();
+#endif
+
+
+ /* calculate all our path on a central place */
+ /* where to keep our config */
+
+#define COMPUTE_DIRECTORY(SUBDIR) memcpy(dirbuffer,SUBDIR, sizeof dirbuffer);\
+ snprintf(SUBDIR,sizeof SUBDIR, "%s%s%s%s%s%s%s", \
+ (home&!relh)?webcitdir:basedir, \
+ ((basedir!=webcitdir)&(home&!relh))?basedir:"/", \
+ ((basedir!=webcitdir)&(home&!relh))?"/":"", \
+ relhome, \
+ (relhome[0]!='\0')?"/":"",\
+ dirbuffer,\
+ (dirbuffer[0]!='\0')?"/":"");
+ basedir=RUNDIR;
+ COMPUTE_DIRECTORY(socket_dir);
+ basedir=WWWDIR "/static";
+ COMPUTE_DIRECTORY(static_dir);
+ basedir=WWWDIR "/static/icons";
+ COMPUTE_DIRECTORY(static_icon_dir);
+ basedir=WWWDIR "/static.local";
+ COMPUTE_DIRECTORY(static_local_dir);
+
+ snprintf(file_crpt_file_key,
+ sizeof file_crpt_file_key,
+ "%s/citadel.key",
+ ctdl_key_dir);
+ snprintf(file_crpt_file_csr,
+ sizeof file_crpt_file_csr,
+ "%s/citadel.csr",
+ ctdl_key_dir);
+ snprintf(file_crpt_file_cer,
+ sizeof file_crpt_file_cer,
+ "%s/citadel.cer",
+ ctdl_key_dir);
+
+ /* we should go somewhere we can leave our coredump, if enabled... */
+ lprintf(9, "Changing directory to %s\n", socket_dir);
+ if (chdir(webcitdir) != 0) {
perror("chdir");
+ }
+ LoadIconDir(static_icon_dir);
+ initialize_viewdefs();
+ initialize_axdefs();
/*
* Set up a place to put thread-specific data.
if (pthread_key_create(&MyConKey, NULL) != 0) {
lprintf(1, "Can't create TSD key: %s\n", strerror(errno));
}
+ InitialiseSemaphores ();
/*
* Set up a place to put thread-specific SSL data.
* There is no need to check for errors, because ig_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);
+
+ if (!IsEmptyStr(uds_listen_path)) {
+ lprintf(2, "Attempting to create listener socket at %s...\n", uds_listen_path);
+ msock = ig_uds_server(uds_listen_path, LISTEN_QUEUE_LENGTH);
+ }
+ else {
+ lprintf(2, "Attempting to bind to port %d...\n", http_port);
+ msock = ig_tcp_server(ip_addr, http_port, LISTEN_QUEUE_LENGTH);
+ }
+
lprintf(2, "Listening on socket %d\n", msock);
signal(SIGPIPE, SIG_IGN);
{
int ssock;
int i = 0;
- int time_to_die = 0;
int fail_this_transaction = 0;
+ int ret;
+ struct timeval tv;
+ fd_set readset, tempset;
+
+ tv.tv_sec = 0;
+ tv.tv_usec = 10000;
+ FD_ZERO(&readset);
+ FD_SET(msock, &readset);
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 {
+ ssock = -1;
+ errno = EAGAIN;
+ do {
+ ret = -1; /* just one at once should select... */
+ begin_critical_section(S_SELECT);
+
+ FD_ZERO(&tempset);
+ if (msock > 0) FD_SET(msock, &tempset);
+ tv.tv_sec = 0;
+ tv.tv_usec = 10000;
+ if (msock > 0) ret = select(msock+1, &tempset, NULL, NULL, &tv);
+ end_critical_section(S_SELECT);
+ if ((ret < 0) && (errno != EINTR) && (errno != EAGAIN))
+ {// EINTR and EAGAIN are thrown but not of interest.
+ lprintf(2, "accept() failed:%d %s\n",
+ errno, strerror(errno));
+ }
+ else if ((ret > 0) && (msock > 0) && FD_ISSET(msock, &tempset))
+ {// Successfully selected, and still not shutting down? Accept!
+ ssock = accept(msock, NULL, 0);
+ }
+
+ } while ((msock > 0) && (ssock < 0) && (time_to_die == 0));
+
+ if ((msock == -1)||(time_to_die))
+ {// ok, we're going down.
+ int shutdown = 0;
+
+ /* the first to come here will have to do the cleanup.
+ * make shure its realy just one.
+ */
+ begin_critical_section(S_SHUTDOWN);
+ if (msock == -1)
+ {
+ msock = -2;
+ shutdown = 1;
+ }
+ end_critical_section(S_SHUTDOWN);
+ if (shutdown == 1)
+ {// we're the one to cleanup the mess.
+ lprintf(2, "I'm master shutdown: tagging sessions to be killed.\n");
+ shutdown_sessions();
+ lprintf(2, "master shutdown: waiting for others\n");
+ sleeeeeeeeeep(1); // wait so some others might finish...
+ lprintf(2, "master shutdown: cleaning up sessions\n");
+ do_housekeeping();
+ lprintf(2, "master shutdown: cleaning up libical\n");
+ free_zone_directory ();
+ icaltimezone_release_zone_tab ();
+ icalmemory_free_ring ();
+ lprintf(2, "master shutdown exiting!.\n");
+ exit(0);
+ }
+ break;
+ }
+ if (ssock < 0 ) continue;
+
+ if (msock < 0) {
+ if (ssock > 0) close (ssock);
+ lprintf(2, "inbetween.");
+ pthread_exit(NULL);
+ } else { // Got it? do some real work!
/* Set the SO_REUSEADDR socket option */
i = 1;
setsockopt(ssock, SOL_SOCKET, SO_REUSEADDR,
#endif
if (fail_this_transaction == 0) {
+
/* Perform an HTTP transaction... */
context_loop(ssock);
+
+ /* Shut down SSL/TLS if required... */
+#ifdef HAVE_OPENSSL
+ if (is_https) {
+ endtls();
+ }
+#endif
+
/* ...and close the socket. */
lingering_close(ssock);
}
} while (!time_to_die);
+ lprintf (1, "bye\n");
pthread_exit(NULL);
}
-
+/*
+ * \brief logprintf. log messages
+ * logs to stderr if loglevel is lower than the verbosity set at startup
+ * \param loglevel level of the message
+ * \param format the printf like format string
+ * \param ... the strings to put into format
+ */
int lprintf(int loglevel, const char *format, ...)
{
va_list ap;
}
return 1;
}
+
+
+/*
+ * \brief print the actual stack frame.
+ */
+void wc_backtrace(void)
+{
+#ifdef HAVE_BACKTRACE
+ void *stack_frames[50];
+ size_t size, i;
+ char **strings;
+
+
+ size = backtrace(stack_frames, sizeof(stack_frames) / sizeof(void*));
+ strings = backtrace_symbols(stack_frames, size);
+ for (i = 0; i < size; i++) {
+ if (strings != NULL)
+ lprintf(1, "%s\n", strings[i]);
+ else
+ lprintf(1, "%p\n", stack_frames[i]);
+ }
+ free(strings);
+#endif
+}
+
+/*@}*/
projects / citadel.git / blobdiff