X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=webcit%2Fwebserver.c;h=c3263ecb7820fb1d4e5abbf4197087aa60021aeb;hb=e7923ad2e2db07d95b5d127f12f17d89dd9fe279;hp=a629036e04d7d1a8c3f1de3c91d184d2e9898085;hpb=6a828fe0a0e5c73e66cee93238f94dc3c2191a40;p=citadel.git diff --git a/webcit/webserver.c b/webcit/webserver.c index a629036e0..c3263ecb7 100644 --- a/webcit/webserver.c +++ b/webcit/webserver.c @@ -1,494 +1,118 @@ /* * $Id$ - */ -/** - * \defgroup Webserver This contains a simple multithreaded TCP server manager. It sits around + * + * 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. - * \ingroup WebcitHttpServer + * + * Copyright (c) 1996-2009 by the citadel.org developers. + * This program is released under the terms of the GNU General Public License v3. + * */ -/*@{*/ #include "webcit.h" #include "webserver.h" #if HAVE_BACKTRACE #include #endif - +#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 */ -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; /**< shold we shut down? */ -extern void *context_loop(int); +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 */ +int DisableGzip = 0; +extern void *context_loop(ParsedHttpHdrs *Hdr); extern void *housekeeping_loop(void); extern pthread_mutex_t SessionListMutex; extern pthread_key_t MyConKey; +extern int ig_tcp_server(char *ip_addr, int port_number, int queue_len); +extern int ig_uds_server(char *sockpath, int queue_len); + 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 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 */ -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 socket_dir[PATH_MAX]; /* where to talk to our citadel server */ +const char editor_absolut_dir[PATH_MAX]=EDITORDIR; /* nailed to what configure gives us. */ +char static_dir[PATH_MAX]; /* calculated on startup */ +char static_local_dir[PATH_MAX]; /* calculated on startup */ +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" /** the JS editor */ + "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? */ - - -/** - * \brief 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. - * \param ip_addr ip to bind to - * \param port_number the port to bind to - * \param queue_len the size of the input queue ???? - */ -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(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(WC_EXIT_BIND); - } - /** 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(WC_EXIT_BIND); - } - if (listen(s, queue_len) < 0) { - lprintf(1, "Can't listen: %s\n", strerror(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 queue size of the kernel fifo???? - */ -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, "citserver: 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, "citserver: Can't create a socket: %s\n", - strerror(errno)); - exit(WC_EXIT_BIND); - } - - if (bind(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) { - lprintf(1, "citserver: Can't bind: %s\n", - strerror(errno)); - exit(WC_EXIT_BIND); - } - - if (listen(s, actual_queue_len) < 0) { - lprintf(1, "citserver: Can't listen: %s\n", - strerror(errno)); - exit(WC_EXIT_BIND); - } - - chmod(sockpath, 0777); - return(s); -} - - - - -/** - * \brief Read data from the client socket. - * \param sock socket fd to read from ??? - * \param buf buffer to read into - * \param bytes how large is the read buffer? - * \param timeout how long should we wait for input? - * \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) -{ - 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); - } - - rlen = read(sock, &buf[len], bytes - len); - - if (rlen < 1) { - lprintf(2, "client_read() failed: %s\n", - strerror(errno)); - 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); - } - } -#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)); -} - -/** - * \brief what burst??? - */ -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*/ - uLongf * destLen, /**< length of the compresed data */ - const Bytef * source, /**< source to encode */ - uLong sourceLen, /**< length of the source to encode */ - int level) /**< what 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); - - /* 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; -} -#endif - -/** - * \brief what burst??? - */ -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; - -#ifdef HAVE_ZLIB - /* Handle gzip compression */ - if (WC->gzip_ok) { - char *compressed_data = NULL; - uLongf compressed_len; - - compressed_len = (uLongf) ((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 */ - - wprintf("Content-length: %d\r\n\r\n", the_len); - client_write(the_data, the_len); - free(the_data); - return; -} - - +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? */ -/** - * \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 how large is the buffer - */ -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. - * (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 numer 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); -} -/** - * \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) { lprintf (1, "bye; shutting down watcher."); kill(current_child, signum); - exit(0); + if (signum != SIGHUP) + exit(0); } -/** - * \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) { -// kill(current_child, signum); - char wd[SIZ]; - getcwd(wd, SIZ); - lprintf (1, "bye going down gracefull.[%s]\n", wd); + FILE *FD; + int fd; + + lprintf (1, "WebCit is being shut down on signal %d.\n", signum); + fd = msock; + msock = -1; time_to_die = 1; - exit(0); + 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. */ @@ -498,6 +122,8 @@ void start_daemon(char *pid_file) pid_t child = 0; FILE *fp; int do_restart = 0; + int rv; + FILE *rvfp = NULL; current_child = 0; @@ -505,7 +131,7 @@ void start_daemon(char *pid_file) * We don't just call close() because we don't want these fd's * to be reused for other files. */ - chdir("/"); + rv = chdir("/"); signal(SIGHUP, SIG_IGN); signal(SIGINT, SIG_IGN); @@ -518,10 +144,11 @@ void start_daemon(char *pid_file) setsid(); umask(0); - freopen("/dev/null", "r", stdin); - freopen("/dev/null", "w", stdout); - freopen("/dev/null", "w", stderr); + rvfp = freopen("/dev/null", "r", stdin); + rvfp = freopen("/dev/null", "w", stdout); + rvfp = freopen("/dev/null", "w", stderr); signal(SIGTERM, graceful_shutdown_watcher); + signal(SIGHUP, graceful_shutdown_watcher); do { current_child = fork(); @@ -529,20 +156,20 @@ void start_daemon(char *pid_file) if (current_child < 0) { perror("fork"); + ShutDownLibCitadel (); exit(errno); } - else if (current_child == 0) { - signal(SIGTERM, graceful_shutdown); + else if (current_child == 0) { /* child process */ + signal(SIGHUP, graceful_shutdown); + return; /* continue starting webcit. */ } - - else { - signal(SIGTERM, SIG_IGN); + else { /* watcher process */ if (pid_file) { fp = fopen(pid_file, "w"); if (fp != NULL) { - fprintf(fp, "%d\n", current_child); + fprintf(fp, "%d\n", getpid()); fclose(fp); } } @@ -580,28 +207,28 @@ 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"); + lprintf(3, "Creating a new thread. Pool size is now %d\n", ++num_threads); - /** set attributes for the new thread */ + /* set attributes for the new thread */ pthread_attr_init(&attr); pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); - /** - * 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. + /* + * Our per-thread stacks need to be bigger than the default size, + * otherwise the MIME parser crashes on FreeBSD. */ if ((ret = pthread_attr_setstacksize(&attr, 1024 * 1024))) { lprintf(1, "pthread_attr_setstacksize: %s\n", @@ -609,30 +236,91 @@ void spawn_another_worker_thread() pthread_attr_destroy(&attr); } - /** now create the thread */ + /* 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 */ + /* free up the attributes */ pthread_attr_destroy(&attr); } -/** - * \brief Here's where it all begins. - * \param argc number of commandline args - * \param argv the commandline arguments +/* #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 +extern int dbg_analyze_msg; +extern int dbg_bactrace_template_errors; +extern int DumpTemplateI18NStrings; +extern StrBuf *I18nDump; +void InitTemplateCache(void); +extern int LoadTemplates; + +extern HashList *HandlerHash; + + + +void +webcit_calc_dirs_n_files(int relh, const char *basedir, int home, char *webcitdir, char *relhome) +{ + char dirbuffer[PATH_MAX]=""; + /* 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); + StripSlashes(static_dir, 1); + StripSlashes(static_icon_dir, 1); + StripSlashes(static_local_dir, 1); + + 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"); + } +} +/* + * 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 */ + size_t basesize = 2; /* how big should strbufs be on creation? */ + 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]=""; int relh=0; int home=0; int home_specified=0; @@ -640,30 +328,47 @@ int main(int argc, char **argv) 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? */ + 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 */ + /* 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:B:x:dD:G:cfsS:Z")) != 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:B:x:dD:G:cfZ")) != 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); + 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; @@ -675,6 +380,11 @@ int main(int argc, char **argv) pidfile = strdup(optarg); running_as_daemon = 1; break; + case 'B': /* Basesize */ + basesize = atoi(optarg); + if (basesize > 2) + StartLibCitadel(basesize); + break; case 'i': safestrncpy(ip_addr, optarg, sizeof ip_addr); break; @@ -686,9 +396,17 @@ int main(int argc, char **argv) break; case 't': safestrncpy(tracefile, optarg, sizeof tracefile); - freopen(tracefile, "w", stdout); - freopen(tracefile, "w", stderr); - freopen(tracefile, "r", stdin); + 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_bactrace_template_errors = (LoadTemplates && (1<<2)) != 0; + break; + case 'Z': + DisableGzip = 1; break; case 'x': verbosity = atoi(optarg); @@ -711,16 +429,28 @@ int main(int argc, char **argv) } } 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] [-f] " - "[-d] " + "[-T Templatedebuglevel] " + "[-d] [-Z] [-G i18ndumpfile] " #ifdef HAVE_OPENSSL - "[-s] " + "[-s] [-S cipher_suites]" #endif "[remotehost [remoteport]]\n"); return 1; @@ -733,74 +463,60 @@ int main(int argc, char **argv) } /* daemonize, if we were asked to */ - if (running_as_daemon) { + if (!DumpTemplateI18NStrings && 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"); - lprintf(1, "Copyright (C) 1996-2007 by the Citadel development team.\n" + webcit_calc_dirs_n_files(relh, basedir, home, webcitdir, relhome); + LoadIconDir(static_icon_dir); + + /* Tell 'em who's in da house */ + lprintf(1, PACKAGE_STRING "\n"); + lprintf(1, "Copyright (C) 1996-2009 by the Citadel development team.\n" "This software is distributed under the terms of the " "GNU General Public License.\n\n" ); - /** 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")); -#endif + /* initialize the International Bright Young Thing */ + initialise_modules(); + initialize_viewdefs(); + initialize_axdefs(); - /* 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.local"; - COMPUTE_DIRECTORY(static_local_dir); + InitTemplateCache(); + if (DumpTemplateI18NStrings) { + FILE *fd; + StrBufAppendBufPlain(I18nDump, HKEY("}\n"), 0); + if (StrLength(I18nDump) < 50) { + lprintf(1, "********************************************************************************\n"); + lprintf(1, "* No strings found in templates! are you shure they're there? *\n"); + lprintf(1, "********************************************************************************\n"); + return -1; + } + fd = fopen(I18nDumpFile, "w"); + if (fd == NULL) { + lprintf(1, "********************************************************************************\n"); + lprintf(1, "* unable to open I18N dumpfile [%s] *\n", I18nDumpFile); + lprintf(1, "********************************************************************************\n"); + return -1; + } + rv = fwrite(ChrPtr(I18nDump), 1, StrLength(I18nDump), fd); + fclose(fd); + return 0; + } - 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"); - } - 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; + + /* 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. @@ -808,8 +524,9 @@ int main(int argc, char **argv) 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. * We don't stick this in the wcsession struct because SSL starts * up before the session is bound, and it gets torn down between @@ -821,7 +538,7 @@ int main(int argc, char **argv) } #endif - /** + /* * Bind the server to our favorite port. * There is no need to check for errors, because ig_tcp_server() * exits if it doesn't succeed. @@ -835,13 +552,18 @@ int main(int argc, char **argv) lprintf(2, "Attempting to bind to port %d...\n", http_port); msock = ig_tcp_server(ip_addr, http_port, LISTEN_QUEUE_LENGTH); } + if (msock < 0) + { + ShutDownWebcit(); + return -msock; + } lprintf(2, "Listening on socket %d\n", msock); signal(SIGPIPE, SIG_IGN); pthread_mutex_init(&SessionListMutex, NULL); - /** + /* * Start up the housekeeping thread */ pthread_attr_init(&attr); @@ -850,7 +572,7 @@ int main(int argc, char **argv) (void *(*)(void *)) housekeeping_loop, NULL); - /** + /* * If this is an HTTPS server, fire up SSL */ #ifdef HAVE_OPENSSL @@ -859,18 +581,33 @@ int main(int argc, char **argv) } #endif - /** Start a few initial worker threads */ + /* 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 */ worker_entry(); + ShutDownLibCitadel (); return 0; } -/** +void ShutDownWebcit(void) +{ + free_zone_directory (); + icaltimezone_release_zone_tab (); + icalmemory_free_ring (); + ShutDownLibCitadel (); + shutdown_modules (); +#ifdef HAVE_OPENSSL + if (is_https) { + shutdown_ssl(); + } +#endif +} + +/* * Entry point for worker threads */ void worker_entry(void) @@ -878,21 +615,91 @@ void worker_entry(void) int ssock; int i = 0; int fail_this_transaction = 0; + int ret; + struct timeval tv; + fd_set readset, tempset; + ParsedHttpHdrs Hdr; + + memset(&Hdr, 0, sizeof(ParsedHttpHdrs)); + Hdr.HR.eReqType = eGET; + http_new_modules(&Hdr); + tv.tv_sec = 0; + tv.tv_usec = 10000; + FD_ZERO(&readset); + FD_SET(msock, &readset); do { - /** Only one thread can accept at a time */ + /* 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 */ + 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. */ + http_destroy_modules(&Hdr); + 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"); + + ShutDownWebcit(); + + 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, &i, sizeof(i)); - /** If we are an HTTPS server, go crypto now. */ + /* If we are an HTTPS server, go crypto now. */ #ifdef HAVE_OPENSSL if (is_https) { if (starttls(ssock) != 0) { @@ -900,38 +707,56 @@ void worker_entry(void) close(ssock); } } + else + { + int fdflags; + fdflags = fcntl(ssock, F_GETFL); + if (fdflags < 0) + lprintf(1, "unable to get server socket flags! %s \n", + strerror(errno)); + fdflags = fdflags | O_NONBLOCK; + if (fcntl(ssock, F_SETFD, fdflags) < 0) + lprintf(1, "unable to set server socket nonblocking flags! %s \n", + strerror(errno)); + } #endif if (fail_this_transaction == 0) { + Hdr.http_sock = ssock; - /** Perform an HTTP transaction... */ - context_loop(ssock); + /* Perform an HTTP transaction... */ + context_loop(&Hdr); - /** Shut down SSL/TLS if required... */ + /* Shut down SSL/TLS if required... */ #ifdef HAVE_OPENSSL if (is_https) { endtls(); } #endif - /** ...and close the socket. */ - lingering_close(ssock); + /* ...and close the socket. */ + if (Hdr.http_sock > 0) + lingering_close(ssock); + http_detach_modules(&Hdr); + } } } while (!time_to_die); - lprintf (1, "bye"); + http_destroy_modules(&Hdr); + lprintf (1, "bye\n"); pthread_exit(NULL); } -/** - * \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, ...) { @@ -947,8 +772,8 @@ int lprintf(int loglevel, const char *format, ...) } -/** - * \brief print the actual stack frame. +/* + * print the actual stack frame. */ void wc_backtrace(void) { @@ -970,4 +795,6 @@ void wc_backtrace(void) #endif } -/*@}*/ + + +