* UPDATE YOUR LIBICAL FROM SVN NOW.
[citadel.git] / webcit / webserver.c
index 2bb9270301342da85503e90cfb927e040aa47c3b..5c107f3821094480ffe957903b40804e030eacf7 100644 (file)
@@ -5,6 +5,9 @@
  * waiting on the specified port for incoming HTTP connections.  When a
  * connection is established, it calls context_loop() from context_loop.c.
  *
+ * Copyright (c) 1996-2008 by the citadel.org developers.
+ * This program is released under the terms of the GNU General Public License v3.
+ *
  */
 
 #include "webcit.h"
@@ -13,7 +16,7 @@
 #if HAVE_BACKTRACE
 #include <execinfo.h>
 #endif
-
+#include "modules_init.h"
 #ifndef HAVE_SNPRINTF
 int vsnprintf(char *buf, size_t max, const char *fmt, va_list argp);
 #endif
@@ -24,7 +27,8 @@ 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);
+int DisableGzip = 0;
+extern void *context_loop(int*);
 extern void *housekeeping_loop(void);
 extern pthread_mutex_t SessionListMutex;
 extern pthread_key_t MyConKey;
@@ -39,10 +43,12 @@ 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*)editor_absolut_dir,              /* the editor on disk */
+       (char*)static_icon_dir                  /* our icons... */
 };
 
 /*
@@ -51,9 +57,9 @@ char  *static_dirs[]={                                /* needs same sort order as the web mapping */
  * (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 */
+       "static",                     /* static templates */
+       "static.local",               /* site local static templates */
+       "tiny_mce"                    /* rich text editor */
 };
 
 int ndirs=3;
@@ -108,7 +114,12 @@ int ig_tcp_server(char *ip_addr, int port_number, int queue_len)
        i = 1;
        setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &i, sizeof(i));
 
-       fcntl(s, F_SETFL, O_NONBLOCK);/// TODO
+       #ifndef __APPLE__
+       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 */
+       #endif
        
        if (bind(s, (struct sockaddr *) &sin, sizeof(sin)) < 0) {
                lprintf(1, "Can't bind: %s\n", strerror(errno));
@@ -124,9 +135,9 @@ int ig_tcp_server(char *ip_addr, int port_number, int queue_len)
 
 
 /*
- * \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
+ * Create a Unix domain socket and listen on it
+ * sockpath - file name of the unix domain socket
+ * queue_len - Number of incoming connections to allow in the queue
  */
 int ig_uds_server(char *sockpath, int queue_len)
 {
@@ -139,8 +150,8 @@ int ig_uds_server(char *sockpath, int 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",
+       if ((i != 0) && (errno != ENOENT)) {
+               lprintf(1, "webcit: can't unlink %s: %s\n",
                        sockpath, strerror(errno));
                exit(WC_EXIT_BIND);
        }
@@ -151,19 +162,19 @@ int ig_uds_server(char *sockpath, int queue_len)
 
        s = socket(AF_UNIX, SOCK_STREAM, 0);
        if (s < 0) {
-               lprintf(1, "webserver: Can't create a socket: %s\n",
+               lprintf(1, "webcit: 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",
+               lprintf(1, "webcit: 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",
+               lprintf(1, "webcit: Can't listen: %s\n",
                        strerror(errno));
                exit(WC_EXIT_BIND);
        }
@@ -176,290 +187,239 @@ int ig_uds_server(char *sockpath, int queue_len)
 
 
 /*
- * \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.
+ * Read data from the client socket.
+ *
+ * sock                socket fd to read from
+ * buf         buffer to read into 
+ * bytes       number of bytes to read
+ * timeout     Number of seconds to wait before timing out
+ *
+ * Possible return values:
+ *      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)
+int client_read_to(int *sock, StrBuf *Target, StrBuf *Buf, int bytes, int timeout)
 {
-       int len, rlen;
-       fd_set rfds;
-       struct timeval tv;
-       int retval;
-
+       const char *Error;
+       int retval = 0;
 
 #ifdef HAVE_OPENSSL
        if (is_https) {
-               return (client_read_ssl(buf, bytes, timeout));
-       }
+               while ((StrLength(Buf) + StrLength(Target) < bytes) &&
+                      (retval >= 0))
+                       retval = client_read_sslbuffer(Buf, timeout);
+               if (retval >= 0) {
+                       StrBufAppendBuf(Target, Buf, 0); /// todo: Buf > bytes?
+#ifdef HTTP_TRACING
+                       write(2, "\033[32m", 5);
+                       write(2, buf, bytes);
+                       write(2, "\033[30m", 5);
 #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);
+                       return 1;
                }
-
-               rlen = read(sock, &buf[len], bytes - len);
-
-               if (rlen < 1) {
-                       lprintf(2, "client_read() failed: %s\n",
-                               strerror(errno));
-                       return (-1);
+               else {
+                       lprintf(2, "client_read_ssl() failed\n");
+                       return -1;
                }
-               len = len + rlen;
        }
-
-#ifdef HTTP_TRACING
-       write(2, "\033[32m", 5);
-       write(2, buf, bytes);
-       write(2, "\033[30m", 5);
 #endif
-       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;
-
-       if (WC->burst != NULL) {
-               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);
-               }
+       if (StrLength(Buf) > 0) {//// todo: what if Buf > bytes?
+               StrBufAppendBuf(Target, Buf, 0);
        }
-#ifdef HAVE_OPENSSL
-       if (is_https) {
-               client_write_ssl((char *) buf, count);
-               return (count);
+       retval = StrBufReadBLOB(Target, 
+                          sock, 
+                          (StrLength(Target) > 0), 
+                          bytes - StrLength(Target), 
+                               &Error);
+       if (retval < 0) {
+               lprintf(2, "client_read() failed: %s\n",
+                       Error);
+               return retval;
        }
-#endif
+
 #ifdef HTTP_TRACING
-       write(2, "\033[34m", 5);
-       write(2, buf, count);
+       write(2, "\033[32m", 5);
+       write(2, buf, bytes);
        write(2, "\033[30m", 5);
 #endif
-       return (write(WC->http_sock, buf, count));
+       return 1;
 }
 
+
 /*
- * \brief Begin buffering HTTP output so we can transmit it all in one write operation later.
+ * Begin buffering HTTP output so we can transmit it all in one write operation later.
  */
 void begin_burst(void)
 {
-       if (WC->burst != NULL) {
-               free(WC->burst);
-               WC->burst = NULL;
-       }
-       WC->burst_len = 0;
-       WC->burst_alloc = 32768;
-       WC->burst = malloc(WC->burst_alloc);
+       if (WC->WBuf == NULL)
+               WC->WBuf = NewStrBufPlain(NULL, 32768);
 }
 
 
 /*
- * \brief uses the same calling syntax as compress2(), but it
- * creates a stream compatible with HTTP "Content-encoding: gzip"
+ * Finish buffering HTTP output.  [Compress using zlib and] output with a Content-Length: header.
  */
-#ifdef HAVE_ZLIB
-#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 */
+long end_burst(void)
 {
-       const int gz_magic[2] = { 0x1f, 0x8b }; /* gzip magic header */
-
-       /* write gzip header */
-       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;
-       int err;
-       stream.next_in = (Bytef *) source;
-       stream.avail_in = (uInt) sourceLen;
-       stream.next_out = dest + 10L;   // after header
-       stream.avail_out = (uInt) * destLen;
-       if ((uLong) stream.avail_out != *destLen)
-               return Z_BUF_ERROR;
-
-       stream.zalloc = (alloc_func) 0;
-       stream.zfree = (free_func) 0;
-       stream.opaque = (voidpf) 0;
-
-       err = deflateInit2(&stream, level, Z_DEFLATED, -MAX_WBITS,
-                          DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY);
-       if (err != Z_OK)
-               return err;
-
-       err = deflate(&stream, Z_FINISH);
-       if (err != Z_STREAM_END) {
-               deflateEnd(&stream);
-               return err == Z_OK ? Z_BUF_ERROR : err;
-       }
-       *destLen = stream.total_out + 10L;
-
-       /* write CRC and Length */
-       uLong crc = crc32(0L, source, sourceLen);
-       int n;
-       for (n = 0; n < 4; ++n, ++*destLen) {
-               dest[*destLen] = (int) (crc & 0xff);
-               crc >>= 8;
-       }
-       uLong len = stream.total_in;
-       for (n = 0; n < 4; ++n, ++*destLen) {
-               dest[*destLen] = (int) (len & 0xff);
-               len >>= 8;
+       struct wcsession *WCC = WC;
+        const char *ptr, *eptr;
+        long count;
+       ssize_t res;
+        fd_set wset;
+        int fdflags;
+
+#ifdef HAVE_ZLIB
+       /* Perform gzip compression, if enabled and supported by client */
+       if (!DisableGzip && (WCC->gzip_ok) && CompressBuffer(WCC->WBuf))
+       {
+               hprintf("Content-encoding: gzip\r\n");
        }
-       err = deflateEnd(&stream);
-       return err;
-}
-#endif
+#endif /* HAVE_ZLIB */
 
-/*
- * \brief Finish buffering HTTP output.  [Compress using zlib and] output with a Content-Length: header.
- */
-void end_burst(void)
-{
-       size_t the_len;
-       char *the_data;
+       hprintf("Content-length: %d\r\n\r\n", StrLength(WCC->WBuf));
 
-       if (WC->burst == NULL)
-               return;
+       ptr = ChrPtr(WCC->HBuf);
+       count = StrLength(WCC->HBuf);
+       eptr = ptr + count;
 
-       the_len = WC->burst_len;
-       the_data = WC->burst;
+#ifdef HAVE_OPENSSL
+       if (is_https) {
+               client_write_ssl(WCC->HBuf);
+               client_write_ssl(WCC->WBuf);
+               return (count);
+       }
+#endif
 
-       WC->burst_len = 0;
-       WC->burst_alloc = 0;
-       WC->burst = NULL;
+       
+#ifdef HTTP_TRACING
+       
+       write(2, "\033[34m", 5);
+       write(2, ptr, StrLength(WCC->WBuf));
+       write(2, "\033[30m", 5);
+#endif
+       fdflags = fcntl(WC->http_sock, F_GETFL);
+
+       while (ptr < eptr) {
+                if ((fdflags & O_NONBLOCK) == O_NONBLOCK) {
+                        FD_ZERO(&wset);
+                        FD_SET(WCC->http_sock, &wset);
+                        if (select(WCC->http_sock + 1, NULL, &wset, NULL, NULL) == -1) {
+                                lprintf(2, "client_write: Socket select failed (%s)\n", strerror(errno));
+                                return -1;
+                        }
+                }
+
+                if ((res = write(WCC->http_sock, 
+                                ptr,
+                                count)) == -1) {
+                        lprintf(2, "client_write: Socket write failed (%s)\n", strerror(errno));
+                       wc_backtrace();
+                        return res;
+                }
+                count -= res;
+               ptr += res;
+        }
+
+       ptr = ChrPtr(WCC->WBuf);
+       count = StrLength(WCC->WBuf);
+       eptr = ptr + count;
 
-#ifdef HAVE_ZLIB
-       /* Perform gzip compression, if enabled and supported by client */
-       if (WC->gzip_ok) {
-               char *compressed_data = NULL;
-               size_t compressed_len;
-
-               compressed_len = ((the_len * 101) / 100) + 100;
-               compressed_data = malloc(compressed_len);
-
-               if (compress_gzip((Bytef *) compressed_data,
-                                 &compressed_len,
-                                 (Bytef *) the_data,
-                                 (uLongf) the_len, Z_BEST_SPEED) == Z_OK) {
-                       wprintf("Content-encoding: gzip\r\n");
-                       free(the_data);
-                       the_data = compressed_data;
-                       the_len = compressed_len;
-               } else {
-                       free(compressed_data);
-               }
-       }
-#endif /* HAVE_ZLIB */
+#ifdef HTTP_TRACING
+       
+       write(2, "\033[34m", 5);
+       write(2, ptr, StrLength(WCC->WBuf));
+       write(2, "\033[30m", 5);
+#endif
 
-       wprintf("Content-length: %d\r\n\r\n", the_len);
-       client_write(the_data, the_len);
-       free(the_data);
-       return;
+        while (ptr < eptr) {
+                if ((fdflags & O_NONBLOCK) == O_NONBLOCK) {
+                        FD_ZERO(&wset);
+                        FD_SET(WCC->http_sock, &wset);
+                        if (select(WCC->http_sock + 1, NULL, &wset, NULL, NULL) == -1) {
+                                lprintf(2, "client_write: Socket select failed (%s)\n", strerror(errno));
+                                return -1;
+                        }
+                }
+
+                if ((res = write(WCC->http_sock, 
+                                ptr,
+                                count)) == -1) {
+                        lprintf(2, "client_write: Socket write failed (%s)\n", strerror(errno));
+                       wc_backtrace();
+                        return res;
+                }
+                count -= res;
+               ptr += res;
+        }
+
+       return StrLength(WCC->WBuf);
 }
 
 
 
 /*
- * \brief Read data from the client socket with default timeout.
+ * 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
+ *
+ * sock                the socket fd to read from
+ * buf         the buffer to write to
+ * bytes       Number of bytes to read
  */
-int client_read(int sock, char *buf, int bytes)
+int client_read(int *sock, StrBuf *Target, StrBuf *buf, int bytes)
 {
-       return (client_read_to(sock, buf, bytes, SLEEPING));
+       return (client_read_to(sock, Target, buf, bytes, SLEEPING));
 }
 
 
 /*
- * \brief Get a LF-terminated line of text from the client.
+ * 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???
+ *
+ * sock                socket fd to get client line from
+ * buf         buffer to write read data to
+ * bufsiz      how many bytes to read
+ *
+ * returns the number of bytes read
  */
-int client_getln(int sock, char *buf, int bufsiz)
-{
-       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 == (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 == (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 ((i > 0) && (!isprint(buf[i - 1]))) {
-               buf[--i] = 0;
-       }
-       return (retval);
-}
+/////int client_getln(int *sock, char *buf, int bufsiz)
+/////{
+/////  int i, retval;
+/////
+/////  /* Read one character at a time.*/
+/////  for (i = 0; *sock > 0; i++) {
+/////          retval = client_read(sock, &buf[i], 1);
+/////          if (retval < 0)
+/////                  return retval;
+/////          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 == (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 ((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
+ * Shut us down the regular way.
+ * signum is the signal we want to forward
  */
 pid_t current_child;
 void graceful_shutdown_watcher(int signum) {
@@ -469,9 +429,72 @@ void graceful_shutdown_watcher(int signum) {
                exit(0);
 }
 
+
+int ClientGetLine(int *sock, StrBuf *Target, StrBuf *CLineBuf)
+{
+       const char *Error, *pch, *pchs;
+       int rlen, len, retval = 0;
+
+       if (is_https) {
+               int ntries = 0;
+               if (StrLength(CLineBuf) > 0) {
+                       pchs = ChrPtr(CLineBuf);
+                       pch = strchr(pchs, '\n');
+                       if (pch != NULL) {
+                               rlen = 0;
+                               len = pch - pchs;
+                               if (len > 0 && (*(pch - 1) == '\r') )
+                                       rlen ++;
+                               StrBufSub(Target, CLineBuf, 0, len - rlen);
+                               StrBufCutLeft(CLineBuf, len + 1);
+                               return len - rlen;
+                       }
+               }
+
+               while (retval == 0) { 
+                               pch = NULL;
+                               pchs = ChrPtr(CLineBuf);
+                               if (*pchs != '\0')
+                                       pch = strchr(pchs, '\n');
+                               if (pch == NULL) {
+                                       retval = client_read_sslbuffer(CLineBuf, SLEEPING);
+                                       pchs = ChrPtr(CLineBuf);
+                                       pch = strchr(pchs, '\n');
+                               }
+                               if (retval == 0) {
+                                       sleeeeeeeeeep(1);
+                                       ntries ++;
+                               }
+                               if (ntries > 10)
+                                       return 0;
+               }
+               if ((retval > 0) && (pch != NULL)) {
+                       rlen = 0;
+                       len = pch - pchs;
+                       if (len > 0 && (*(pch - 1) == '\r') )
+                               rlen ++;
+                       StrBufSub(Target, CLineBuf, 0, len - rlen);
+                       StrBufCutLeft(CLineBuf, len + 1);
+                       return len - rlen;
+
+               }
+               else 
+                       return -1;
+       }
+       else 
+               return StrBufTCP_read_buffered_line(Target, 
+                                                   CLineBuf,
+                                                   sock,
+                                                   5,
+                                                   1,
+                                                   &Error);
+}
+
+
+
 /*
- * \brief shut us down the regular way.
- * param signum the signal we want to forward
+ * Shut us down the regular way.
+ * signum is the signal we want to forward
  */
 pid_t current_child;
 void graceful_shutdown(int signum) {
@@ -491,12 +514,6 @@ void graceful_shutdown(int signum) {
 }
 
 
-/*
- * \brief      Start running as a daemon.  
- *
- * param       do_close_stdio          Only close stdio if set.
- */
-
 /*
  * Start running as a daemon.
  */
@@ -538,6 +555,7 @@ void start_daemon(char *pid_file)
        
                if (current_child < 0) {
                        perror("fork");
+                       ShutDownLibCitadel ();
                        exit(errno);
                }
        
@@ -592,16 +610,17 @@ void start_daemon(char *pid_file)
        if (pid_file) {
                unlink(pid_file);
        }
+       ShutDownLibCitadel ();
        exit(WEXITSTATUS(status));
 }
 
 /*
- * \brief      Spawn an additional worker thread into the pool.
+ * 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");
@@ -632,16 +651,23 @@ void spawn_another_worker_thread()
        pthread_attr_destroy(&attr);
 }
 
+//#define DBG_PRINNT_HOOKS_AT_START
+#ifdef DBG_PRINNT_HOOKS_AT_START
+const char foobuf[32];
+const char *nix(void *vptr) {snprintf(foobuf, 32, "%0x", (long) vptr); return foobuf;}
+#endif 
+void InitTemplateCache(void);
+extern int LoadTemplates;
+extern void LoadZoneFiles(void);
+StrBuf *csslocal = NULL;
 /*
- * \brief Here's where it all begins.
- * \param argc number of commandline args
- * \param argv the commandline arguments
+ * 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 */
+       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]="0.0.0.0";
        char dirbuffer[PATH_MAX]="";
@@ -657,7 +683,26 @@ int main(int argc, char **argv)
        char *locale = NULL;
        char *mo = NULL;
 #endif /* ENABLE_NLS */
-       char uds_listen_path[PATH_MAX]; /*< listen on a unix domain socket? */
+       char uds_listen_path[PATH_MAX]; /* listen on a unix domain socket? */
+
+       HandlerHash = NewHash(1, NULL);
+       PreferenceHooks = NewHash(1, NULL);
+       WirelessTemplateCache = NewHash(1, NULL);
+       WirelessLocalTemplateCache = NewHash(1, NULL);
+       LocalTemplateCache = NewHash(1, NULL);
+       TemplateCache = NewHash(1, NULL);
+       GlobalNS = NewHash(1, NULL);
+       Iterators = NewHash(1, NULL);
+       Conditionals = NewHash(1, NULL);
+       MsgHeaderHandler = NewHash(1, NULL);
+       MimeRenderHandler = NewHash(1, NULL);
+       SortHash = NewHash(1, NULL);
+
+       LoadZoneFiles();
+
+#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) {
@@ -672,9 +717,9 @@ int main(int argc, char **argv)
 
        /* Parse command line */
 #ifdef HAVE_OPENSSL
-       while ((a = getopt(argc, argv, "h:i:p:t:x:dD:cfs")) != EOF)
+       while ((a = getopt(argc, argv, "h:i:p:t:T:x:dD:cfsZ")) != EOF)
 #else
-       while ((a = getopt(argc, argv, "h:i:p:t:x:dD:cf")) != EOF)
+       while ((a = getopt(argc, argv, "h:i:p:t:T:x:dD:cfZ")) != EOF)
 #endif
                switch (a) {
                case 'h':
@@ -711,6 +756,12 @@ int main(int argc, char **argv)
                        freopen(tracefile, "w", stderr);
                        freopen(tracefile, "r", stdin);
                        break;
+               case 'T':
+                       LoadTemplates = atoi(optarg);
+                       break;
+               case 'Z':
+                       DisableGzip = 1;
+                       break;
                case 'x':
                        verbosity = atoi(optarg);
                        break;
@@ -736,10 +787,11 @@ int main(int argc, char **argv)
                        is_https = 1;
                        break;
                default:
-                       fprintf(stderr, "usage: webserver "
+                       fprintf(stderr, "usage: webcit "
                                "[-i ip_addr] [-p http_port] "
                                "[-t tracefile] [-c] [-f] "
-                               "[-d] "
+                               "[-T Templatedebuglevel] "
+                               "[-d] [-Z] "
 #ifdef HAVE_OPENSSL
                                "[-s] "
 #endif
@@ -773,12 +825,15 @@ int main(int argc, char **argv)
        /* 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
 
 
@@ -798,6 +853,8 @@ int main(int argc, char **argv)
        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);
 
@@ -818,10 +875,25 @@ int main(int argc, char **argv)
        lprintf(9, "Changing directory to %s\n", socket_dir);
        if (chdir(webcitdir) != 0) {
                perror("chdir");
-       }       
+       }
+       LoadIconDir(static_icon_dir);
+
+       initialise_modules();
        initialize_viewdefs();
        initialize_axdefs();
 
+       InitTemplateCache();
+
+       if (!access("static.local/webcit.css", R_OK)) {
+               csslocal = NewStrBufPlain(HKEY("<link href=\"static.local/webcit.css\" rel=\"stylesheet\" type=\"text/css\">"));
+       }
+
+       /* 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
@@ -889,10 +961,42 @@ int main(int argc, char **argv)
 
        /* now the original thread becomes another worker */
        worker_entry();
+       ShutDownLibCitadel ();
+       DeleteHash(&HandlerHash);
+       DeleteHash(&PreferenceHooks);
        return 0;
 }
 
 
+void ShutDownWebcit(void)
+{
+       DeleteHash(&ZoneHash);
+       free_zone_directory ();
+       icaltimezone_release_zone_tab ();
+       icalmemory_free_ring ();
+       ShutDownLibCitadel ();
+       DeleteHash(&HandlerHash);
+       DeleteHash(&PreferenceHooks);
+       DeleteHash(&GlobalNS);
+       DeleteHash(&WirelessTemplateCache);
+       DeleteHash(&WirelessLocalTemplateCache);
+       DeleteHash(&TemplateCache);
+       DeleteHash(&LocalTemplateCache);
+       DeleteHash(&Iterators);
+       DeleteHash(&MimeRenderHandler);
+       DeleteHash(&Conditionals);
+       DeleteHash(&MsgHeaderHandler);
+       DeleteHash(&SortHash);
+#ifdef ENABLE_NLS
+       ShutdownLocale();
+#endif
+#ifdef HAVE_OPENSSL
+       if (is_https) {
+               shutdown_ssl();
+       }
+#endif
+}
+
 /*
  * Entry point for worker threads
  */
@@ -959,12 +1063,10 @@ void worker_entry(void)
                                sleeeeeeeeeep(1); // wait so some others might finish...
                                lprintf(2, "master shutdown: cleaning up sessions\n");
                                do_housekeeping();
-#ifdef WEBCIT_WITH_CALENDAR_SERVICE
                                lprintf(2, "master shutdown: cleaning up libical\n");
-                               free_zone_directory ();
-                               icaltimezone_release_zone_tab ();
-                               icalmemory_free_ring ();
-#endif
+
+                               ShutDownWebcit();
+
                                lprintf(2, "master shutdown exiting!.\n");                              
                                exit(0);
                        }
@@ -995,7 +1097,7 @@ void worker_entry(void)
                        if (fail_this_transaction == 0) {
 
                                /* Perform an HTTP transaction... */
-                               context_loop(ssock);
+                               context_loop(&ssock);
 
                                /* Shut down SSL/TLS if required... */
 #ifdef HAVE_OPENSSL
@@ -1005,7 +1107,8 @@ void worker_entry(void)
 #endif
 
                                /* ...and close the socket. */
-                               lingering_close(ssock);
+                               if (ssock > 0)
+                                       lingering_close(ssock);
                        }
 
                }
@@ -1017,11 +1120,12 @@ void worker_entry(void)
 }
 
 /*
- * \brief logprintf. log messages 
+ * print 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
+ *
+ * loglevel    level of the message
+ * format      the printf like format string
+ * ...         the strings to put into format
  */
 int lprintf(int loglevel, const char *format, ...)
 {
@@ -1038,7 +1142,7 @@ int lprintf(int loglevel, const char *format, ...)
 
 
 /*
- * \brief print the actual stack frame.
+ * print the actual stack frame.
  */
 void wc_backtrace(void)
 {
@@ -1060,4 +1164,3 @@ void wc_backtrace(void)
 #endif
 }
 
-/*@}*/