* 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"
#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
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 *context_loop(int*);
extern void *housekeeping_loop(void);
extern pthread_mutex_t SessionListMutex;
extern pthread_key_t MyConKey;
/*
- * \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, char *buf, int bytes, int timeout)
{
int len, rlen;
fd_set rfds;
#endif
len = 0;
- while (len < bytes) {
+ while ((len < bytes) && (*sock > 0)) {
FD_ZERO(&rfds);
- FD_SET(sock, &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) {
+ retval = select((*sock) + 1, &rfds, NULL, NULL, &tv);
+ if (FD_ISSET(*sock, &rfds) == 0) {
return (0);
}
- rlen = read(sock, &buf[len], bytes - len);
+ rlen = read(*sock, &buf[len], bytes - len);
if (rlen < 1) {
lprintf(2, "client_read() failed: %s\n",
strerror(errno));
+ if (*sock > 0)
+ close(*sock);
+ *sock = -1;
return (-1);
}
len = len + rlen;
return (1);
}
+
+/*
+ * Begin buffering HTTP output so we can transmit it all in one write operation later.
+ */
+void begin_burst(void)
+{
+ if (WC->WBuf == NULL)
+ WC->WBuf = NewStrBufPlain(NULL, 32768);
+}
+
+
/*
- * \brief write data to the client
- * \param buf data to write to the client
- * \param count size of buffer
+ * Finish buffering HTTP output. [Compress using zlib and] output with a Content-Length: header.
*/
-ssize_t client_write(const void *buf, size_t count)
+long end_burst(void)
{
- char *newptr;
- size_t newalloc;
- size_t bytesWritten = 0;
- ssize_t res;
+ struct wcsession *WCC = WC;
+ const char *ptr, *eptr;
+ long count;
+ ssize_t res;
fd_set wset;
int fdflags;
- 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);
- }
+#ifdef HAVE_ZLIB
+ /* Perform gzip compression, if enabled and supported by client */
+ if ((WCC->gzip_ok) && CompressBuffer(WCC->WBuf))
+ {
+ hprintf("Content-encoding: gzip\r\n");
}
+#endif /* HAVE_ZLIB */
+
+ hprintf("Content-length: %d\r\n\r\n", StrLength(WCC->WBuf));
+
+ ptr = ChrPtr(WCC->HBuf);
+ count = StrLength(WCC->HBuf);
+ eptr = ptr + count;
+
#ifdef HAVE_OPENSSL
if (is_https) {
- client_write_ssl((char *) buf, count);
+ client_write_ssl(WCC->HBuf);
+ client_write_ssl(WCC->WBuf);
return (count);
}
#endif
+
+
#ifdef HTTP_TRACING
+
write(2, "\033[34m", 5);
- write(2, buf, count);
+ write(2, ptr, StrLength(WCC->WBuf));
write(2, "\033[30m", 5);
#endif
fdflags = fcntl(WC->http_sock, F_GETFL);
- while (bytesWritten < count) {
+ while (ptr < eptr) {
if ((fdflags & O_NONBLOCK) == O_NONBLOCK) {
FD_ZERO(&wset);
- FD_SET(WC->http_sock, &wset);
- if (select(WC->http_sock + 1, NULL, &wset, NULL, NULL) == -1) {
+ 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(WC->http_sock, (char*)buf + bytesWritten,
- count - bytesWritten)) == -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;
}
- bytesWritten += res;
+ count -= res;
+ ptr += res;
}
- return bytesWritten;
-}
+ ptr = ChrPtr(WCC->WBuf);
+ count = StrLength(WCC->WBuf);
+ eptr = ptr + count;
-/*
- * \brief 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);
-}
-
-
-/*
- * \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 /*< 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 */
- 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;
- }
- err = deflateEnd(&stream);
- return err;
-}
+#ifdef HTTP_TRACING
+
+ write(2, "\033[34m", 5);
+ write(2, ptr, StrLength(WCC->WBuf));
+ write(2, "\033[30m", 5);
#endif
-/*
- * \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;
-
- if (WC->burst == NULL)
- return;
-
- the_len = WC->burst_len;
- the_data = WC->burst;
-
- WC->burst_len = 0;
- WC->burst_alloc = 0;
- WC->burst = NULL;
+ 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;
+ }
+ }
-#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 */
+ 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;
+ }
- wprintf("Content-length: %d\r\n\r\n", the_len);
- client_write(the_data, the_len);
- free(the_data);
- return;
+ 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, char *buf, int bytes)
{
return (client_read_to(sock, 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 client_getln(int *sock, char *buf, int bufsiz)
{
- int i, retval;
+ int i = 0;
+ int retval = 0;
/* Read one character at a time.*/
- for (i = 0;; i++) {
+ 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])) ) {
}
/*
- * \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) {
}
/*
- * \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) {
}
-/*
- * \brief Start running as a daemon.
- *
- * param do_close_stdio Only close stdio if set.
- */
-
/*
* Start running as a daemon.
*/
}
/*
- * \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");
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);
+
/*
- * \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]="";
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);
+ Contitionals = NewHash(1, NULL);
+ LoadZoneFiles();
+
+
+#ifdef DBG_PRINNT_HOOKS_AT_START
+ dbg_PrintHash(HandlerHash, nix, NULL);
+#endif
- HandlerHash = NewHash (1, NULL);
/* 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",
/* 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:cfs")) != 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:cf")) != EOF)
#endif
switch (a) {
case 'h':
freopen(tracefile, "w", stderr);
freopen(tracefile, "r", stdin);
break;
+ case 'T':
+ LoadTemplates = atoi(optarg);
+ break;
case 'x':
verbosity = atoi(optarg);
break;
fprintf(stderr, "usage: webcit "
"[-i ip_addr] [-p http_port] "
"[-t tracefile] [-c] [-f] "
+ "[-T Templatedebuglevel] "
"[-d] "
#ifdef HAVE_OPENSSL
"[-s] "
perror("chdir");
}
LoadIconDir(static_icon_dir);
+ InitTemplateCache();
+
+ initialise_modules();
initialize_viewdefs();
initialize_axdefs();
+ /* Tell libical to return an error instead of aborting if it sees badly formed iCalendar data. */
+ icalerror_errors_are_fatal = 0;
+
/*
* Set up a place to put thread-specific data.
* We only need a single pointer per thread - it points to the
/* 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(&Contitionals);
+#ifdef ENABLE_NLS
+ ShutdownLocale();
+#endif
+}
+
/*
* Entry point for worker threads
*/
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 ();
- ShutDownLibCitadel ();
+
+ ShutDownWebcit();
+
lprintf(2, "master shutdown exiting!.\n");
exit(0);
}
if (fail_this_transaction == 0) {
/* Perform an HTTP transaction... */
- context_loop(ssock);
+ context_loop(&ssock);
/* Shut down SSL/TLS if required... */
#ifdef HAVE_OPENSSL
#endif
/* ...and close the socket. */
- lingering_close(ssock);
+ if (ssock > 0)
+ lingering_close(ssock);
}
}
}
/*
- * \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, ...)
{
/*
- * \brief print the actual stack frame.
+ * print the actual stack frame.
*/
void wc_backtrace(void)
{
#endif
}
-/*@}*/