diff options
Diffstat (limited to 'x11vnc/x11vnc.c')
| -rw-r--r-- | x11vnc/x11vnc.c | 624 |
1 files changed, 435 insertions, 189 deletions
diff --git a/x11vnc/x11vnc.c b/x11vnc/x11vnc.c index 82c7f65..48e646d 100644 --- a/x11vnc/x11vnc.c +++ b/x11vnc/x11vnc.c @@ -166,6 +166,7 @@ * * -DHARDWIRE_PASSWD=... hardwired passwords, quoting necessary. * -DHARDWIRE_VIEWPASSWD=... + * -DNOPW=1 make -nopw the default (skip warning) * * -DWIREFRAME=0 to have -nowireframe as the default. * -DWIREFRAME_COPYRECT=0 to have -nowirecopyrect as the default. @@ -194,6 +195,10 @@ #define REMOTE_CONTROL 1 #endif +#ifndef NOPW +#define NOPW 0 +#endif + /* * Beginning of support for small binary footprint build for embedded * systems, PDA's etc. It currently just cuts out the low-hanging @@ -382,7 +387,7 @@ double xdamage_scheduled_mark = 0.0; sraRegionPtr xdamage_scheduled_mark_region = NULL; /* date +'lastmod: %Y-%m-%d' */ -char lastmod[] = "0.7.2 lastmod: 2005-07-09"; +char lastmod[] = "0.7.2 lastmod: 2005-07-10"; int hack_val = 0; /* X display info */ @@ -814,6 +819,7 @@ int deny_all = 0; /* global locking of new clients */ #define REMOTE_DEFAULT 1 #endif int accept_remote_cmds = REMOTE_DEFAULT; /* -noremote */ +int query_default = 0; int safe_remote_only = 1; /* -unsafe */ int priv_remote = 0; /* -privremote */ int more_safe = 0; /* -safer */ @@ -907,7 +913,7 @@ Display *gdpy_ctrl = NULL; int xserver_grabbed = 0; /* XXX CHECK BEFORE RELEASE */ -int grab_buster = 1; +int grab_buster = 0; int grab_buster_delay = 20; int sync_tod_delay = 3; pid_t grab_buster_pid = 0; @@ -5110,7 +5116,7 @@ char *crash_stack_command1 = NULL; char *crash_stack_command2 = NULL; char *crash_debug_command = NULL; /* XXX CHECK BEFORE RELEASE */ -int crash_debug = 1; +int crash_debug = 0; void initialize_crash_handler(void) { int pid = program_pid; @@ -6750,7 +6756,7 @@ void read_vnc_connect_prop(void) { ; } else if (strstr(vnc_connect_str, "cmd=") && strstr(vnc_connect_str, "passwd")) { - rfbLog("read VNC_CONNECT\n"); + rfbLog("read VNC_CONNECT: *\n"); } else if (strlen(vnc_connect_str) > 38) { char trim[100]; trim[0] = '\0'; @@ -7382,7 +7388,6 @@ int add_keysym(KeySym keysym) { static int first = 1; KeySym *keymap; - if (first) { for (n=0; n < 0x100; n++) { added_keysyms[n] = NoSymbol; @@ -12108,6 +12113,9 @@ void check_keycode_state(void) { if (! client_count) { return; } + + if (raw_fb && ! dpy) return; /* raw_fb hack */ + /* * periodically update our model of the keycode_state[] * by correlating with the Xserver. wait for a pause in @@ -12626,10 +12634,16 @@ int send_remote_cmd(char *cmd, int query, int wait) { return 0; } -int do_remote_query(char *remote_cmd, char *query_cmd, int remote_sync) { +int do_remote_query(char *remote_cmd, char *query_cmd, int remote_sync, + int qdefault) { char *rcmd = NULL, *qcmd = NULL; int rc = 1; + if (qdefault && !query_cmd) { + query_cmd = remote_cmd; + remote_cmd = NULL; + } + if (remote_cmd) { rcmd = (char *) malloc(strlen(remote_cmd) + 5); strcpy(rcmd, "cmd="); @@ -12640,6 +12654,16 @@ int do_remote_query(char *remote_cmd, char *query_cmd, int remote_sync) { strcpy(qcmd, "qry="); strcat(qcmd, query_cmd); } + if (qdefault) { + char *res; + if (!qcmd) { + return 1; + } + res = process_remote_cmd(qcmd, 1); + fprintf(stdout, "%s\n", res); + fflush(stdout); + return 0; + } if (rcmd && qcmd) { rc = send_remote_cmd(rcmd, 0, 1); @@ -13067,12 +13091,12 @@ char *process_remote_cmd(char *cmd, int stringonly) { int query = 0; static char *prev_cursors_mode = NULL; - if (! accept_remote_cmds) { + if (!query_default && !accept_remote_cmds) { rfbLog("remote commands disabled: %s\n", cmd); return NULL; } - if (priv_remote) { + if (!query_default && priv_remote) { if (! remote_control_access_ok()) { rfbLog("** Disabling remote commands in -privremote " "mode.\n"); @@ -13846,9 +13870,9 @@ char *process_remote_cmd(char *cmd, int stringonly) { } p += strlen("accept:"); if (safe_remote_only) { - if (icon_mode && !strcmp(p, "")) { + if (icon_mode && !strcmp(p, "")) { /* skip-cmd-list */ ; - } else if (icon_mode && !strcmp(p, "popup")) { + } else if (icon_mode && !strcmp(p, "popup")) { /* skip-cmd-list */ ; } else { rfbLog("unsafe: %s\n", p); @@ -15310,8 +15334,12 @@ char *process_remote_cmd(char *cmd, int stringonly) { int d; COLON_CHECK("deferupdate:") if (query) { - snprintf(buf, bufn, "ans=%s%s%d", p, co, - screen->deferUpdateTime); + if (!screen) { + d = defer_update; + } else { + d = screen->deferUpdateTime; + } + snprintf(buf, bufn, "ans=%s%s%d", p, co, d); goto qry; } p += strlen("deferupdate:"); @@ -15325,8 +15353,12 @@ char *process_remote_cmd(char *cmd, int stringonly) { int d; COLON_CHECK("defer:") if (query) { - snprintf(buf, bufn, "ans=%s%s%d", p, co, - screen->deferUpdateTime); + if (!screen) { + d = defer_update; + } else { + d = screen->deferUpdateTime; + } + snprintf(buf, bufn, "ans=%s%s%d", p, co, d); goto qry; } p += strlen("defer:"); @@ -15352,14 +15384,14 @@ char *process_remote_cmd(char *cmd, int stringonly) { } else if (!strcmp(p, "wait_bog")) { if (query) { - snprintf(buf, bufn, "ans=%s%s%d", p, co, wait_bog); + snprintf(buf, bufn, "ans=%s:%d", p, wait_bog); goto qry; } wait_bog = 1; rfbLog("remote_cmd: setting wait_bog to %d\n", wait_bog); } else if (!strcmp(p, "nowait_bog")) { if (query) { - snprintf(buf, bufn, "ans=%s%s%d", p, co, !wait_bog); + snprintf(buf, bufn, "ans=%s:%d", p, !wait_bog); goto qry; } wait_bog = 0; @@ -15539,8 +15571,12 @@ char *process_remote_cmd(char *cmd, int stringonly) { int f; COLON_CHECK("progressive:") if (query) { - snprintf(buf, bufn, "ans=%s%s%d", p, co, - screen->progressiveSliceHeight); + if (!screen) { + f = 0; + } else { + f = screen->progressiveSliceHeight; + } + snprintf(buf, bufn, "ans=%s%s%d", p, co, f); goto qry; } p += strlen("progressive:"); @@ -15551,10 +15587,10 @@ char *process_remote_cmd(char *cmd, int stringonly) { screen->progressiveSliceHeight = f; } else if (strstr(p, "rfbport") == p) { - int rp, orig = screen->port; + int rp, orig = screen ? screen->port : 5900; COLON_CHECK("rfbport:") if (query) { - snprintf(buf, bufn, "ans=%s%s%d", p, co, screen->port); + snprintf(buf, bufn, "ans=%s%s%d", p, co, orig); goto qry; } p += strlen("rfbport:"); @@ -15563,8 +15599,8 @@ char *process_remote_cmd(char *cmd, int stringonly) { } else if (!strcmp(p, "http")) { if (query) { - snprintf(buf, bufn, "ans=%s:%d", p, - (screen->httpListenSock > -1)); + int ls = screen ? screen->httpListenSock : -1; + snprintf(buf, bufn, "ans=%s:%d", p, (ls > -1)); goto qry; } if (screen->httpListenSock > -1) { @@ -15577,8 +15613,8 @@ char *process_remote_cmd(char *cmd, int stringonly) { } } else if (!strcmp(p, "nohttp")) { if (query) { - snprintf(buf, bufn, "ans=%s:%d", p, - !(screen->httpListenSock > -1)); + int ls = screen ? screen->httpListenSock : -1; + snprintf(buf, bufn, "ans=%s:%d", p, !(ls > -1)); goto qry; } if (screen->httpListenSock < 0) { @@ -15591,11 +15627,10 @@ char *process_remote_cmd(char *cmd, int stringonly) { } } else if (strstr(p, "httpport") == p) { - int hp, orig = screen->httpPort; + int hp, orig = screen ? screen->httpPort : 0; COLON_CHECK("httpport:") if (query) { - snprintf(buf, bufn, "ans=%s%s%d", p, co, - screen->httpPort); + snprintf(buf, bufn, "ans=%s%s%d", p, co, orig); goto qry; } p += strlen("httpport:"); @@ -15625,16 +15660,16 @@ char *process_remote_cmd(char *cmd, int stringonly) { } else if (!strcmp(p, "enablehttpproxy")) { if (query) { - snprintf(buf, bufn, "ans=%s:%d", p, - screen->httpEnableProxyConnect != 0); + int ht = screen ? screen->httpEnableProxyConnect : 0; + snprintf(buf, bufn, "ans=%s:%d", p, ht != 0); goto qry; } rfbLog("turning on enablehttpproxy.\n"); screen->httpEnableProxyConnect = 1; } else if (!strcmp(p, "noenablehttpproxy")) { if (query) { - snprintf(buf, bufn, "ans=%s:%d", p, - screen->httpEnableProxyConnect == 0); + int ht = screen ? screen->httpEnableProxyConnect : 0; + snprintf(buf, bufn, "ans=%s:%d", p, ht == 0); goto qry; } rfbLog("turning off enablehttpproxy.\n"); @@ -15642,16 +15677,16 @@ char *process_remote_cmd(char *cmd, int stringonly) { } else if (!strcmp(p, "alwaysshared")) { if (query) { - snprintf(buf, bufn, "ans=%s:%d", p, - screen->alwaysShared != 0); + int t = screen ? screen->alwaysShared : 0; + snprintf(buf, bufn, "ans=%s:%d", p, t != 0); goto qry; } rfbLog("turning on alwaysshared.\n"); screen->alwaysShared = 1; } else if (!strcmp(p, "noalwaysshared")) { if (query) { - snprintf(buf, bufn, "ans=%s:%d", p, - screen->alwaysShared == 0); + int t = screen ? screen->alwaysShared : 0; + snprintf(buf, bufn, "ans=%s:%d", p, t == 0); goto qry; } rfbLog("turning off alwaysshared.\n"); @@ -15659,16 +15694,16 @@ char *process_remote_cmd(char *cmd, int stringonly) { } else if (!strcmp(p, "nevershared")) { if (query) { - snprintf(buf, bufn, "ans=%s:%d", p, - screen->neverShared != 0); + int t = screen ? screen->neverShared : 1; + snprintf(buf, bufn, "ans=%s:%d", p, t != 0); goto qry; } rfbLog("turning on nevershared.\n"); screen->neverShared = 1; } else if (!strcmp(p, "noalwaysshared")) { if (query) { - snprintf(buf, bufn, "ans=%s:%d", p, - screen->neverShared == 0); + int t = screen ? screen->neverShared : 1; + snprintf(buf, bufn, "ans=%s:%d", p, t == 0); goto qry; } rfbLog("turning off nevershared.\n"); @@ -15676,16 +15711,16 @@ char *process_remote_cmd(char *cmd, int stringonly) { } else if (!strcmp(p, "dontdisconnect")) { if (query) { - snprintf(buf, bufn, "ans=%s:%d", p, - screen->dontDisconnect != 0); + int t = screen ? screen->dontDisconnect : 1; + snprintf(buf, bufn, "ans=%s:%d", p, t != 0); goto qry; } rfbLog("turning on dontdisconnect.\n"); screen->dontDisconnect = 1; } else if (!strcmp(p, "nodontdisconnect")) { if (query) { - snprintf(buf, bufn, "ans=%s:%d", p, - screen->dontDisconnect == 0); + int t = screen ? screen->dontDisconnect : 1; + snprintf(buf, bufn, "ans=%s:%d", p, t == 0); goto qry; } rfbLog("turning off dontdisconnect.\n"); @@ -15976,8 +16011,7 @@ char *process_remote_cmd(char *cmd, int stringonly) { snprintf(buf, bufn, "aro=%s:rawfb:%p", p, raw_fb_addr); } else if (! dpy) { - snprintf(buf, bufn, "aro=%s:%s", p, - "no-display"); + snprintf(buf, bufn, "aro=%s:", p); } else { char *d; d = DisplayString(dpy); @@ -15999,14 +16033,16 @@ char *process_remote_cmd(char *cmd, int stringonly) { snprintf(buf, bufn, "aro=%s:%s", p, NONUL(guess_desktop())); } else if (!strcmp(p, "http_url")) { - if (screen->httpListenSock > -1) { + if (!screen) { + snprintf(buf, bufn, "aro=%s:", p); + } else if (screen->httpListenSock > -1) { snprintf(buf, bufn, "aro=%s:http://%s:%d", p, NONUL(screen->thisHost), screen->httpPort); } else { snprintf(buf, bufn, "aro=%s:%s", p, "http_not_active"); } - } else if (!strcmp(p, "auth")) { + } else if (!strcmp(p, "auth") || !strcmp(p, "xauth")) { snprintf(buf, bufn, "aro=%s:%s", p, NONUL(auth_file)); } else if (!strcmp(p, "users")) { snprintf(buf, bufn, "aro=%s:%s", p, NONUL(users_list)); @@ -16145,6 +16181,8 @@ char *process_remote_cmd(char *cmd, int stringonly) { NOTAPPRO } else if (!strcmp(p, "passwd")) { NOTAPPRO + } else if (!strcmp(p, "viewpasswd")) { + NOTAPPRO } else { NOTAPP } @@ -20751,6 +20789,10 @@ char *guess_desktop() { return "root"; } + if (! dpy) { + return ""; + } + prop = XInternAtom(dpy, "XFCE_DESKTOP_WINDOW", True); if (prop != None) return "xfce"; @@ -23923,7 +23965,7 @@ char gui_code[] = ""; #endif void run_gui(char *gui_xdisplay, int connect_to_x11vnc, int simple_gui, - pid_t parent) { + pid_t parent, char *gui_opts) { char *x11vnc_xdisplay = NULL; char extra_path[] = ":/usr/local/bin:/usr/bin/X11:/usr/sfw/bin" ":/usr/X11R6/bin:/usr/openwin/bin:/usr/dt/bin"; @@ -24067,6 +24109,9 @@ void run_gui(char *gui_xdisplay, int connect_to_x11vnc, int simple_gui, if (simple_gui) { set_env("X11VNC_SIMPLE_GUI", "1"); } + if (gui_opts) { + set_env("X11VNC_GUI_PARAMS", gui_opts); + } if (gui_geometry) { set_env("X11VNC_GUI_GEOM", gui_geometry); } @@ -24159,7 +24204,7 @@ void run_gui(char *gui_xdisplay, int connect_to_x11vnc, int simple_gui, exit(0); } -void do_gui(char *opts) { +void do_gui(char *opts, int sleep) { char *s, *p; char *old_xauth = NULL; char *gui_xdisplay = NULL; @@ -24327,8 +24372,11 @@ void do_gui(char *opts) { perror("fork"); clean_up_exit(1); } else { + if (sleep > 0) { + usleep(sleep * 1000 * 1000); + } run_gui(gui_xdisplay, connect_to_x11vnc, simple_gui, - parent); + parent, opts); exit(1); } #else @@ -24338,7 +24386,7 @@ void do_gui(char *opts) { #endif } if (!start_x11vnc) { - run_gui(gui_xdisplay, connect_to_x11vnc, simple_gui, 0); + run_gui(gui_xdisplay, connect_to_x11vnc, simple_gui, 0, opts); exit(1); } if (old_xauth) { @@ -28755,7 +28803,11 @@ int get_rate(int which) { int count = 0; double slowest = -1.0, rate; static double save_rate = 1000 * NETRATE0; - + + if (!screen) { + return 0; + } + iter = rfbGetClientIterator(screen); while( (cl = rfbClientIteratorNext(iter)) ) { ClientData *cd = (ClientData *) cl->clientData; @@ -28811,6 +28863,10 @@ int get_latency(void) { static double save_lat = ((double) LATENCY0)/1000.0; int count = 0; + if (!screen) { + return 0; + } + iter = rfbGetClientIterator(screen); while( (cl = rfbClientIteratorNext(iter)) ) { ClientData *cd = (ClientData *) cl->clientData; @@ -29024,6 +29080,10 @@ void measure_send_rates(int init) { nclients = 0; + if (!screen) { + return; + } + iter = rfbGetClientIterator(screen); while( (cl = rfbClientIteratorNext(iter)) ) { int defer, i, cbs, rbs; @@ -29715,6 +29775,8 @@ static void print_help(int mode) { "\n" " vncviewer -encodings 'copyrect tight zrle hextile' localhost:0\n" "\n" +"Also, use of a VNC password (-rfbauth or -passwdfile) is strongly recommend.\n" +"\n" "For additional info see: http://www.karlrunge.com/x11vnc/\n" " and http://www.karlrunge.com/x11vnc/#faq\n" "\n" @@ -29724,9 +29786,10 @@ static void print_help(int mode) { "For each option name, the leading character \"-\" is not required. E.g. a\n" "line that is either \"forever\" or \"-forever\" may be used and are equivalent.\n" "Likewise \"wait 100\" or \"-wait 100\" are acceptable and equivalent lines.\n" -"The \"#\" character comments out to the end of the line in the usual way.\n" -"Leading and trailing whitespace is trimmed off. Lines may be continued with\n" -"a \"\\\" as the last character of a line (it becomes a space character).\n" +"The \"#\" character comments out to the end of the line in the usual way\n" +"(backslash it for a literal). Leading and trailing whitespace is trimmed off.\n" +"Lines may be continued with a \"\\\" as the last character of a line (it\n" +"becomes a space character).\n" "\n" "Options:\n" "\n" @@ -29793,19 +29856,18 @@ static void print_help(int mode) { " around transient popup menus (but not for the menu\n" " itself): a workaround is to disable SaveUnders\n" " by passing the \"-su\" argument to Xsun (in\n" -" /etc/dt/config/Xservers). Also note that the mouse\n" -" cursor shape is exactly correct in this mode.\n" +" /etc/dt/config/Xservers).\n" "\n" " Use -overlay as a workaround for situations like these:\n" " Some legacy applications require the default visual to\n" " be 8bpp (8+24), or they will use 8bpp PseudoColor even\n" " when the default visual is depth 24 TrueColor (24+8).\n" -" In these cases colors in some windows will be messed\n" -" up in x11vnc unless -overlay is used. Another use of\n" +" In these cases colors in some windows will be incorrect\n" +" in x11vnc unless -overlay is used. Another use of\n" " -overlay is to enable showing the exact mouse cursor\n" " shape (details below).\n" "\n" -" Under -overlay, performance will be somewhat degraded\n" +" Under -overlay, performance will be somewhat slower\n" " due to the extra image transformations required.\n" " For optimal performance do not use -overlay, but rather\n" " configure the X server so that the default visual is\n" @@ -29838,7 +29900,7 @@ static void print_help(int mode) { " More esoteric options: for compatibility with vncviewers\n" " the scaled width is adjusted to be a multiple of 4:\n" " to disable this use \":n4\". \":in\" use interpolation\n" -" scheme even when shrinking, \":pad\", pad scaled width\n" +" scheme even when shrinking, \":pad\" pad scaled width\n" " and height to be multiples of scaling denominator\n" " (e.g. 3 for 2/3).\n" "\n" @@ -29859,10 +29921,10 @@ static void print_help(int mode) { "-forever Keep listening for more connections rather than exiting\n" " as soon as the first client(s) disconnect. Same as -many\n" "-timeout n Exit unless a client connects within the first n seconds\n" -" of startup.\n" +" after startup.\n" "-inetd Launched by inetd(1): stdio instead of listening socket.\n" " Note: if you are not redirecting stderr to a log file\n" -" (via shell 2> or -o option) you must also specify the -q\n" +" (via shell 2> or -o option) you MUST also specify the -q\n" " option, otherwise the stderr goes to the viewer which\n" " will cause it to abort. Specifying both -inetd and -q\n" " and no -o will automatically close the stderr.\n" @@ -29880,7 +29942,7 @@ static void print_help(int mode) { " as a file to periodically check for new hosts.\n" " The first line is read and then the file is truncated.\n" " Be careful for this usage mode if x11vnc is running as\n" -" root (e.g. via inetd(1) or gdm(1)).\n" +" root (e.g. via gdm(1), etc).\n" "-vncconnect Monitor the VNC_CONNECT X property set by the standard\n" "-novncconnect VNC program vncconnect(1). When the property is\n" " set to \"host\" or \"host:port\" establish a reverse\n" @@ -29914,7 +29976,7 @@ static void print_help(int mode) { "-nolookup Do not use gethostbyname() or gethostbyaddr() to look up\n" " host names or IP numbers. Use this if name resolution\n" " is incorrectly set up and leads to long pauses as name\n" -" lookup times out, etc.\n" +" lookups time out, etc.\n" "\n" "-input string Fine tuning of allowed user input. If \"string\" does\n" " not contain a comma \",\" the tuning applies only to\n" @@ -29927,7 +29989,7 @@ static void print_help(int mode) { " the mouse and \"-input KMB,M\" lets normal users do\n" " anything and enables view-only users to move the mouse.\n" " This option is ignored when a global -viewonly is in\n" -" effect (all input is discarded).\n" +" effect (all input is discarded in that case).\n" "-viewpasswd string Supply a 2nd password for view-only logins. The -passwd\n" " (full-access) password must also be supplied.\n" "-passwdfile filename Specify libvncserver -passwd via the first line of the\n" @@ -29939,7 +30001,9 @@ static void print_help(int mode) { " Note: -passwdfile is a simple plaintext passwd, see\n" " also -rfbauth and -storepasswd below for obfuscated\n" " VNC password files. Neither file should be readable\n" -" by others.\n" +" by untrusted users.\n" +"-nopw Disable the big warning message when you use x11vnc\n" +" without some sort of password.\n" "-storepasswd pass file Store password \"pass\" as the VNC password in the\n" " file \"file\". Once the password is stored the\n" " program exits. Use the password via \"-rfbauth file\"\n" @@ -29972,7 +30036,7 @@ static void print_help(int mode) { " If \"string\" is \"popup\" then a builtin popup window\n" " is used. The popup will time out after 120 seconds,\n" " use \"popup:N\" to modify the timeout to N seconds\n" -" (use 0 for no timeout)\n" +" (use 0 for no timeout).\n" "\n" " If \"string\" is \"xmessage\" then an xmessage(1)\n" " invocation is used for the command. xmessage must be\n" @@ -29994,7 +30058,9 @@ static void print_help(int mode) { "\n" " Note that x11vnc blocks while the external command\n" " or popup is running (other clients may see no updates\n" -" during this period).\n" +" during this period). So a person sitting a the physical\n" +" display is needed to respond to an popup prompt. (use\n" +" a 2nd x11vnc if you lock yourself out).\n" "\n" " More -accept tricks: use \"popupmouse\" to only allow\n" " mouse clicks in the builtin popup to be recognized.\n" @@ -30111,11 +30177,12 @@ static void print_help(int mode) { " each rectangle.\n" "-xinerama If your screen is composed of multiple monitors\n" " glued together via XINERAMA, and that screen is\n" -" non-rectangular this option will try to guess the\n" +" not a rectangle this option will try to guess the\n" " areas to black out (if your system has libXinerama).\n" "\n" -" In general on XINERAMA displays you may need to use the\n" -" -xwarppointer option if the mouse pointer misbehaves.\n" +" In general, we have noticed on XINERAMA displays you\n" +" may need to use the \"-xwarppointer\" option if the mouse\n" +" pointer misbehaves.\n" "\n" "-xtrap Use the DEC-XTRAP extension for keystroke and mouse\n" " input insertion. For use on legacy systems, e.g. X11R5,\n" @@ -30174,7 +30241,7 @@ static void print_help(int mode) { "-?, -opts Only list the x11vnc options.\n" "-V, -version Print program version and last modification date.\n" "\n" -"-dbg instead of exiting after cleaning up, run a simple\n" +"-dbg Instead of exiting after cleaning up, run a simple\n" " \"debug crash shell\" when fatal errors are trapped.\n" "\n" "-q Be quiet by printing less informational output to\n" @@ -30195,10 +30262,6 @@ static void print_help(int mode) { " identical keyboards). Also useful in resolving cases\n" " where a Keysym is bound to multiple keys (e.g. \"<\" + \">\"\n" " and \",\" + \"<\" keys). Default: %s\n" -#if 0 -"-isolevel3 When in modtweak mode, always send ISO_Level3_Shift to\n" -" the X server instead of Mode_switch (AltGr).\n" -#endif "-xkb When in modtweak mode, use the XKEYBOARD extension (if\n" "-noxkb the X display supports it) to do the modifier tweaking.\n" " This is powerful and should be tried if there are still\n" @@ -30221,7 +30284,7 @@ static void print_help(int mode) { " Key that could give rise to extra unwanted characters\n" " (usually only between keyboards of different languages).\n" " Only use this option if you observe problems with\n" -" some keystrokes. This option may be extended.\n" +" some keystrokes.\n" "-skip_dups Some VNC viewers send impossible repeated key events,\n" "-noskip_dups e.g. key-down, key-down, key-up, key-up all for the same\n" " key, or 20 downs in a row for the same modifier key!\n" @@ -30231,11 +30294,11 @@ static void print_help(int mode) { " up's and so you should not set this option for\n" " these viewers (symptom: some keys do not autorepeat)\n" " Default: %s\n" -"-add_keysyms If a Keysym is received from a VNC viewer and\n" -"-noadd_keysyms that Keysym does not exist in the X server, then\n" -" add the Keysym to the X server's keyboard mapping.\n" -" Added Keysyms will be removed periodically and also\n" -" when x11vnc exits. Default: %s\n" +"-add_keysyms If a Keysym is received from a VNC viewer and that\n" +"-noadd_keysyms Keysym does not exist in the X server, then add the\n" +" Keysym to the X server's keyboard mapping on an unused\n" +" key. Added Keysyms will be removed periodically and\n" +" also when x11vnc exits. Default: %s\n" #if 0 "-xkbcompat Ignore the XKEYBOARD extension. Use as a workaround for\n" " some keyboard mapping problems. E.g. if you are using\n" @@ -30264,7 +30327,7 @@ static void print_help(int mode) { " Dead keys: \"dead\" (or silent, mute) keys are keys that\n" " do not produce a character but must be followed by a 2nd\n" " keystroke. This is often used for accenting characters,\n" -" e.g. to put \"'\" on top of \"a\" by pressing the dead\n" +" e.g. to put \"`\" on top of \"a\" by pressing the dead\n" " key and then \"a\". Note that this interpretation\n" " is not part of core X11, it is up to the toolkit or\n" " application to decide how to react to the sequence.\n" @@ -30310,7 +30373,7 @@ static void print_help(int mode) { "\n" " Use \"-norepeat N\" to set how many times norepeat will\n" " be reset if something else (e.g. X session manager)\n" -" disables it. The default is 2. Use a negative value\n" +" undoes it. The default is 2. Use a negative value\n" " for unlimited resets.\n" "\n" "-nofb Ignore video framebuffer: only process keyboard and\n" @@ -30353,7 +30416,7 @@ static void print_help(int mode) { " information from the X server, then the default is\n" " to use that mode. On Solaris this can be done with\n" " the SUN_OVL extension using -overlay (see also the\n" -" -overlay_nomouse option). A similar overlay scheme\n" +" -overlay_nocursor option). A similar overlay scheme\n" " is used on IRIX. Xorg (e.g. Linux) and recent Solaris\n" " Xsun servers support the XFIXES extension to retrieve\n" " the exact cursor shape from the X server. If XFIXES\n" @@ -30363,10 +30426,10 @@ static void print_help(int mode) { " option below.\n" " \n" " Note that under XFIXES cursors with transparency (alpha\n" -" channel) will not be exactly represented and one may\n" -" find Overlay preferable. See also the -alphacut and\n" -" -alphafrac options below as fudge factors to try to\n" -" improve the situation for cursors with transparency\n" +" channel) will usually not be exactly represented and one\n" +" may find Overlay preferable. See also the -alphacut\n" +" and -alphafrac options below as fudge factors to try\n" +" to improve the situation for cursors with transparency\n" " for a given theme.\n" "\n" " The \"mode\" string can be used to fine-tune the\n" @@ -30401,20 +30464,19 @@ static void print_help(int mode) { "\n" "-arrow n Choose an alternate \"arrow\" cursor from a set of\n" " some common ones. n can be 1 to %d. Default is: %d\n" +" Ignored when in XFIXES cursor-grabbing mode.\n" "\n" "-noxfixes Do not use the XFIXES extension to draw the exact cursor\n" " shape even if it is available.\n" "-alphacut n When using the XFIXES extension for the cursor shape,\n" -" cursors with transparency will not be displayed exactly\n" -" (but opaque ones will). This option sets n as a cutoff\n" -" for cursors that have transparency (\"alpha channel\"\n" -" with values ranging from 0 to 255) Any cursor pixel with\n" -" alpha value less than n becomes completely transparent.\n" -" Otherwise the pixel is completely opaque. Default %d\n" +" cursors with transparency will not usually be displayed\n" +" exactly (but opaque ones will). This option sets n as\n" +" a cutoff for cursors that have transparency (\"alpha\n" +" channel\" with values ranging from 0 to 255) Any cursor\n" +" pixel with alpha value less than n becomes completely\n" +" transparent. Otherwise the pixel is completely opaque.\n" +" Default %d\n" " \n" -" Note: the options -alphacut, -alphafrac, and -alphafrac\n" -" may be removed if a more accurate internal method for\n" -" handling cursor transparency is implemented.\n" "-alphafrac fraction With the threshold in -alphacut some cursors will become\n" " almost completely transparent because their alpha values\n" " are not high enough. For those cursors adjust the\n" @@ -30474,7 +30536,7 @@ static void print_help(int mode) { " (mouse button held down). Greatly improves response on\n" " slow setups, but you lose all visual feedback for drags,\n" " text selection, and some menu traversals. It overrides\n" -" any -pointer_mode setting\n" +" any -pointer_mode setting.\n" "\n" "-wireframe [str] Try to detect window moves or resizes when a mouse\n" "-nowireframe button is held down and show a wireframe instead of\n" @@ -30527,8 +30589,9 @@ static void print_help(int mode) { " or being resized (for some window managers this can be\n" " rather long), t3 is how long to keep a wireframe moving\n" " before repainting the window. t4 is the minimum time\n" -" between sending wireframe \"animations\". For a slow\n" -" link this might be a better choice: 0.25+0.6+6.0+0.15\n" +" between sending wireframe \"animations\". If a slow\n" +" link is detected, these values may be automatically\n" +" changed to something better for a slow link.\n" "\n" "-wirecopyrect mode Since the -wireframe mechanism evidently tracks moving\n" "-nowirecopyrect windows accurately, a speedup can be obtained by\n" @@ -30755,9 +30818,9 @@ static void print_help(int mode) { " but it can be used for any scenario. This option\n" " periodically performs costly operations and so\n" " interactive response may be reduced when it is on.\n" -" The 3 Alt_L's (the Left \"Alt\" key) taps in a row\n" -" described under -scrollcopyrect can be used instead to\n" -" manually request a screen repaint when it is needed.\n" +" You can use 3 Alt_L's (the Left \"Alt\" key) taps in a\n" +" row described under -scrollcopyrect instead to manually\n" +" request a screen repaint when it is needed.\n" "\n" " \"string\" is a comma separated list of one or more of\n" " the following: \"V=t\", \"C=t\", and \"X=t\". In these\n" @@ -30782,34 +30845,39 @@ static void print_help(int mode) { "\n" "-grab_buster Some of the use of the RECORD extension can leave a\n" "-nograb_buster tiny window for XGrabServer deadlock. This is only if\n" -" the whole-server grabbing application expects mouse\n" -" or keyboard input before releasing the grab. It is\n" -" usually a window manager that does this. x11vnc takes\n" -" care to avoid the the problem, but if caught x11vnc\n" -" will freeze. Without -grab_buster, the only solution\n" -" is to go the physical display and give it some input\n" -" to satisfy the grabbing app. Or manually kill and\n" -" restart the window manager. With -grab_buster, x11vnc\n" +" the whole-server grabbing application expects mouse or\n" +" keyboard input before releasing the grab. It is usually\n" +" a window manager that does this. x11vnc takes care to\n" +" avoid the the problem, but if caught x11vnc will freeze.\n" +" Without -grab_buster, the only solution is to go the\n" +" physical display and give it some input to satisfy the\n" +" grabbing app. Or manually kill and restart the window\n" +" manager if that is feasible. With -grab_buster, x11vnc\n" " will fork a helper thread and if x11vnc appears to be\n" -" stuck in a grab after a period of time (20-30 sec)\n" -" then it will inject some user input: button clicks,\n" -" Escape, mouse motion, etc to try to break the grab.\n" +" stuck in a grab after a period of time (20-30 sec) then\n" +" it will inject some user input: button clicks, Escape,\n" +" mouse motion, etc to try to break the grab. If you\n" +" experience a lot of grab deadlock, please report a bug.\n" "\n" "-debug_grabs Turn on debugging info printout with respect to\n" " XGrabServer() deadlock for -scrollcopyrect mode.\n" "\n" "-pointer_mode n Various pointer motion update schemes. \"-pm\" is\n" " an alias. The problem is pointer motion can cause\n" -" rapid changes on the screen: consider the rapid changes\n" -" when you drag a large window around. Neither x11vnc's\n" -" screen polling and vnc compression routines nor the\n" -" bandwidth to the vncviewers can keep up these rapid\n" -" screen changes: everything will bog down when dragging\n" -" or scrolling. So a scheme has to be used to \"eat\"\n" -" much of that pointer input before re-polling the screen\n" -" and sending out framebuffer updates. The mode number\n" -" \"n\" can be 0 to %d and selects one of the schemes\n" -" desribed below.\n" +" rapid changes on the screen: consider the rapid\n" +" changes when you drag a large window around opaquely.\n" +" Neither x11vnc's screen polling and vnc compression\n" +" routines nor the bandwidth to the vncviewers can keep\n" +" up these rapid screen changes: everything will bog down\n" +" when dragging or scrolling. So a scheme has to be used\n" +" to \"eat\" much of that pointer input before re-polling\n" +" the screen and sending out framebuffer updates. The\n" +" mode number \"n\" can be 0 to %d and selects one of\n" +" the schemes desribed below.\n" +"\n" +" Note that the -wireframe and -scrollcopyrect modes\n" +" complement -pointer_mode by detecting (and improving)\n" +" certain periods of \"rapid screen change\".\n" "\n" " n=0: does the same as -nodragging. (all screen polling\n" " is suspended if a mouse button is pressed.)\n" @@ -30851,22 +30919,23 @@ static void print_help(int mode) { "\n" "-speeds rd,bw,lat x11vnc tries to estimate some speed parameters that\n" " are used to optimize scheduling (e.g. -pointer_mode\n" -" 4) and other things. Use the -speeds option to set\n" -" these manually. The triple \"rd,bw,lat\" corresponds\n" -" to video h/w read rate in MB/sec, network bandwidth to\n" -" clients in KB/sec, and network latency to clients in\n" -" milliseconds, respectively. If a value is left blank,\n" -" e.g. \"-speeds ,100,15\", then the internal scheme is\n" -" used to estimate the empty value(s).\n" +" 4, -wireframe, -scrollcopyrect) and other things.\n" +" Use the -speeds option to set these manually.\n" +" The triple \"rd,bw,lat\" corresponds to video h/w\n" +" read rate in MB/sec, network bandwidth to clients in\n" +" KB/sec, and network latency to clients in milliseconds,\n" +" respectively. If a value is left blank, e.g. \"-speeds\n" +" ,100,15\", then the internal scheme is used to estimate\n" +" the empty value(s).\n" "\n" " Typical PC video cards have read rates of 5-10 MB/sec.\n" " If the framebuffer is in main memory instead of video\n" -" h/w (e.g. SunRay, shadowfb, Xvfb), the read rate may\n" -" be much faster. \"x11perf -getimage500\" can be used\n" -" to get a lower bound (remember to factor in the bytes\n" -" per pixel). It is up to you to estimate the network\n" -" bandwith and latency to clients. For the latency the\n" -" ping(1) command can be used.\n" +" h/w (e.g. SunRay, shadowfb, dummy driver, Xvfb), the\n" +" read rate may be much faster. \"x11perf -getimage500\"\n" +" can be used to get a lower bound (remember to factor\n" +" in the bytes per pixel). It is up to you to estimate\n" +" the network bandwith and latency to clients. For the\n" +" latency the ping(1) command can be used.\n" "\n" " For convenience there are some aliases provided,\n" " e.g. \"-speeds modem\". The aliases are: \"modem\" for\n" @@ -30901,7 +30970,7 @@ static void print_help(int mode) { " text output. By default x11vnc will try to detect this\n" " (3 screen polls in a row each longer than 0.25 sec with\n" " no user input), and sleep up to 1.5 secs to let things\n" -" \"catch up\". Use this option to disable the detection.\n" +" \"catch up\". Use this option to disable that detection.\n" "-readtimeout n Set libvncserver rfbMaxClientWait to n seconds. On\n" " slow links that take a long time to paint the first\n" " screen libvncserver may hit the timeout and drop the\n" @@ -30948,7 +31017,8 @@ static void print_help(int mode) { " \"ignore\" or \"exit\". For \"ignore\" libvncserver\n" " will handle the abrupt loss of a client and continue,\n" " for \"exit\" x11vnc will cleanup and exit at the 1st\n" -" broken connection. Default: \"ignore\".\n" +" broken connection. Default: \"ignore\". This option\n" +" is obsolete.\n" "-threads Whether or not to use the threaded libvncserver\n" "-nothreads algorithm [rfbRunEventLoop] if libpthread is available\n" " Default: %s\n" @@ -30968,7 +31038,7 @@ static void print_help(int mode) { " memory and examine that copy for changes. Under some\n" " circumstances this will improve interactive response,\n" " or at least make things look smoother, but in others\n" -" (many) it will make the response worse. If the video\n" +" (most!) it will make the response worse. If the video\n" " h/w fb is such that reading small tiles is very slow\n" " this mode could help. To keep the \"framerate\" up\n" " the screen size x bpp cannot be too large. Note that\n" @@ -31006,17 +31076,18 @@ static void print_help(int mode) { "\n" " (see ipcs(1) and fbset(1) for the first two examples)\n" "\n" -" All user input is discarded. Most of the X11 (screen,\n" -" keyboard, mouse) options do not make sense and many\n" -" will cause this mode to crash, so please think twice\n" -" before setting/changing them.\n" +" All user input is discarded by default (but see the\n" +" -pipeinput option). Most of the X11 (screen, keyboard,\n" +" mouse) options do not make sense and many will cause\n" +" this mode to crash, so please think twice before\n" +" setting/changing them.\n" "\n" " If you don't want x11vnc to close the X DISPLAY in\n" " rawfb mode, then capitalize the prefix, SHM:, MAP:,\n" " FILE: Keeping the display open enables the default\n" " remote-control channel, which could be useful. Also,\n" " if you also specify -noviewonly, then the mouse and\n" -" keyboard input are still sent to the X display, this\n" +" keyboard input are STILL sent to the X display, this\n" " usage should be very rare, i.e. doing something strange\n" " with /dev/fb0.\n" "\n" @@ -31040,9 +31111,10 @@ static void print_help(int mode) { "-gui [gui-opts] Start up a simple tcl/tk gui based on the the remote\n" " control options -remote/-query described below.\n" " Requires the \"wish\" program to be installed on the\n" -" machine. \"gui-opts\" is not required: the default is\n" -" to start up both the gui and x11vnc with the gui showing\n" -" up on the X display in the environment variable DISPLAY.\n" +" machine. \"gui-opts\" is not required: the default\n" +" is to start up both the full gui and x11vnc with the\n" +" gui showing up on the X display in the environment\n" +" variable DISPLAY.\n" "\n" " \"gui-opts\" can be a comma separated list of items.\n" " Currently there are these types of items: 1) a gui\n" @@ -31075,15 +31147,16 @@ static void print_help(int mode) { " If you do not specify a gui X display in \"gui-opts\"\n" " then the DISPLAY environment variable and -display\n" " option are tried (in that order). Regarding the x11vnc\n" -" X display the gui will try to connect to, it first\n" -" tries -display and then DISPLAY. For example, \"x11vnc\n" -" -display :0 -gui otherhost:0\", will remote control an\n" -" x11vnc polling :0 and display the gui on otherhost:0\n" -" The \"tray\" mode below reverses this preference.\n" +" X display the gui will try to communication with, it\n" +" first tries -display and then DISPLAY. For example,\n" +" \"x11vnc -display :0 -gui otherhost:0\", will remote\n" +" control an x11vnc polling :0 and display the gui on\n" +" otherhost:0 The \"tray/icon\" mode below reverses this\n" +" preference, preferring to display on the x11vnc display.\n" "\n" " 4) When \"tray\" or \"icon\" is specified, the gui\n" " presents itself as a small icon with behavior typical\n" -" of a \"system tray\" or \"dock\" applet. The color\n" +" of a \"system tray\" or \"dock applet\". The color\n" " of the icon indicates status (connected clients) and\n" " there is also a balloon status. Clicking on the icon\n" " gives a menu from which properties, etc, can be set and\n" @@ -31093,7 +31166,7 @@ static void print_help(int mode) { "\n" " For \"icon\" the gui just a small standalone window.\n" " For \"tray\" it will attempt to embed itself in the\n" -" \"system tray\". If \"=setpass\" is appended then\n" +" \"system tray\" if possible. If \"=setpass\" is appended then\n" " at startup the X11 user will be prompted to set the\n" " VNC session password. If =<hexnumber> is appended\n" " that icon will attempt to embed itself in the window\n" @@ -31119,6 +31192,7 @@ static void print_help(int mode) { " General examples of the -gui option: \"x11vnc -gui\",\n" " \"x11vnc -gui ez\" \"x11vnc -gui localhost:10\",\n" " \"x11vnc -gui conn,host:0\", \"x11vnc -gui tray,ez\"\n" +" \"x11vnc -gui tray=setpass\"\n" "\n" " If you do not intend to start x11vnc from the gui\n" " (i.e. just remote control an existing one), then the\n" @@ -31149,10 +31223,6 @@ static void print_help(int mode) { " 'x11vnc -R shared' will enable shared connections, and\n" " 'x11vnc -R scale:3/4' will rescale the desktop.\n" "\n" -" Note: the more drastic the change induced by the -remote\n" -" command, the bigger the chance for bugs or crashes.\n" -" Please report reproducible bugs.\n" -"\n" " The following -remote/-R commands are supported:\n" "\n" " stop terminate the server, same as \"quit\"\n" @@ -31251,7 +31321,7 @@ static void print_help(int mode) { " rectangle use \"-WxH+X+Y\" to delete one\n" " xinerama enable -xinerama mode. (if applicable)\n" " noxinerama disable -xinerama mode.\n" -" xtrap enable -xtrap input mode.\n" +" xtrap enable -xtrap input mode(if applicable)\n" " noxtrap disable -xtrap input mode.\n" " xrandr enable -xrandr mode. (if applicable)\n" " noxrandr disable -xrandr mode.\n" @@ -31333,7 +31403,7 @@ static void print_help(int mode) { " fixscreen:str set -fixscreen to \"str\".\n" " noxrecord disable all use of RECORD extension.\n" " xrecord enable use of RECORD extension.\n" -" reset_record reset RECORD extension (if avail.).\n" +" reset_record reset RECORD extension (if avail.)\n" " pointer_mode:n set -pointer_mode to n. same as \"pm\"\n" " input_skip:n set -input_skip to n.\n" " speeds:str set -speeds to str.\n" @@ -31426,16 +31496,24 @@ static void print_help(int mode) { " a query straight to the VNC_CONNECT property or connect\n" " file use \"qry=...\" instead of \"cmd=...\"\n" "\n" +" Here is the current list of \"variables\" that can\n" +" be supplied to the -query command. This includes the\n" +" \"N/A\" ones that return no useful info. For variables\n" +" names that do not correspond to an x11vnc option or\n" +" remote command, we hope the name makes it obvious what\n" +" the returned value corresponds to (hint: the ext_*\n" +" variables correspond to the presence of X extensions):\n" +"\n" " ans= stop quit exit shutdown ping blacken zero\n" " refresh reset close disconnect id sid waitmapped\n" " nowaitmapped clip flashcmap noflashcmap shiftcmap\n" " truecolor notruecolor overlay nooverlay overlay_cursor\n" " overlay_yescursor nooverlay_nocursor nooverlay_cursor\n" " nooverlay_yescursor overlay_nocursor visual scale\n" -" scale_cursor viewonly noviewonly shared noshared forever\n" -" noforever once timeout deny lock nodeny unlock connect\n" -" allowonce allow localhost nolocalhost listen lookup\n" -" nolookup accept popup gone shm noshm flipbyteorder\n" +" scale_cursor viewonly noviewonly shared noshared\n" +" forever noforever once timeout deny lock nodeny unlock\n" +" connect allowonce allow localhost nolocalhost listen\n" +" lookup nolookup accept gone shm noshm flipbyteorder\n" " noflipbyteorder onetile noonetile solid_color solid\n" " nosolid blackout xinerama noxinerama xtrap noxtrap\n" " xrandr noxrandr xrandr_mode padgeom quiet q noquiet\n" @@ -31469,9 +31547,9 @@ static void print_help(int mode) { " debug_tiles dbt nodebug_tiles nodbt debug_tiles\n" " debug_grabs nodebug_grabs dbg nodbg noremote\n" "\n" -" aro= display vncdisplay desktopname guess_desktop\n" -" http_url auth users rootshift clipshift scale_str\n" -" scaled_x scaled_y scale_numer scale_denom\n" +" aro= noop display vncdisplay desktopname guess_desktop\n" +" http_url auth xauth users rootshift clipshift\n" +" scale_str scaled_x scaled_y scale_numer scale_denom\n" " scale_fac scaling_blend scaling_nomult4 scaling_pad\n" " scaling_interpolate inetd privremote unsafe safer nocmds\n" " passwdfile using_shm logfile o flag rc norc h help V\n" @@ -31481,7 +31559,11 @@ static void print_help(int mode) { " ext_overlay ext_xfixes ext_xdamage ext_xrandr rootwin\n" " num_buttons button_mask mouse_x mouse_y bpp depth\n" " indexed_color dpy_x dpy_y wdpy_x wdpy_y off_x off_y\n" -" cdpy_x cdpy_y coff_x coff_y rfbauth passwd\n" +" cdpy_x cdpy_y coff_x coff_y rfbauth passwd viewpasswd\n" +"\n" +"-QD variable Just like -query variable, but returns the default\n" +" value for that parameter (no running x11vnc server\n" +" is consulted)\n" "\n" "-sync By default -remote commands are run asynchronously, that\n" " is, the request is posted and the program immediately\n" @@ -31489,7 +31571,7 @@ static void print_help(int mode) { " acknowledgement from the x11vnc server that command was\n" " processed (somehow). On the other hand -query requests\n" " are always processed synchronously because they have\n" -" to wait for the result.\n" +" to wait for the answer.\n" "\n" " Also note that if both -remote and -query requests are\n" " supplied on the command line, the -remote is processed\n" @@ -31530,7 +31612,7 @@ static void print_help(int mode) { " running external programs. If you specify -unsafe, then\n" " these remote-control commands are allowed. Note that\n" " you can still specify these parameters on the command\n" -" line, they just cannot be changed via remote-control.\n" +" line, they just cannot be invoked via remote-control.\n" "-safer Equivalent to: -novncconnect -noremote and prohibiting\n" " -gui and the -connect file. Shuts off communcation\n" " channels.\n" @@ -31773,7 +31855,7 @@ static int argc2 = 0; static char **argv2; static void check_rcfile(int argc, char **argv) { - int i, pwlast, norc = 0, argmax = 1024; + int i, j, pwlast, norc = 0, argmax = 1024; char *infile = NULL; char rcfile[1024]; FILE *rc; @@ -31787,6 +31869,9 @@ static void check_rcfile(int argc, char **argv) { if (!strcmp(argv[i], "-norc")) { norc = 1; } + if (!strcmp(argv[i], "-QD")) { + norc = 1; + } if (!strcmp(argv[i], "-rc")) { if (i+1 >= argc) { fprintf(stderr, "-rc option requires a " @@ -31833,7 +31918,7 @@ static void check_rcfile(int argc, char **argv) { if (! norc) { char line[4096], parm[100], tmp[101]; - char *buf; + char *buf, *tbuf; struct stat sbuf; int sz; @@ -31848,13 +31933,28 @@ static void check_rcfile(int argc, char **argv) { } buf = (char *) malloc(sz); + buf[0] = '\0'; while (fgets(line, 4096, rc) != NULL) { char *q, *p = line; - char c = '\0'; + char c; int cont = 0; q = p; + c = '\0'; + while (*q) { + if (*q == '#') { + if (c != '\\') { + *q = '\0'; + break; + } + } + c = *q; + q++; + } + + q = p; + c = '\0'; while (*q) { if (*q == '\n') { if (c == '\\') { @@ -31875,9 +31975,19 @@ static void check_rcfile(int argc, char **argv) { c = *q; q++; } - if ( (q = strchr(p, '#')) != NULL) { - *q = '\0'; + if (q != p) { + if (*q == '\0') { + q--; + } + while (isspace(*q)) { + *q = '\0'; + if (q == p) { + break; + } + q--; + } } + p = lblanks(p); strncat(buf, p, sz - strlen(buf) - 1); @@ -31888,6 +31998,22 @@ static void check_rcfile(int argc, char **argv) { continue; } + i = 0; + q = buf; + while (*q) { + i++; + if (*q == '\n' || isspace(*q)) { + break; + } + q++; + } + + if (i >= 100) { + fprintf(stderr, "invalid rcfile line: %s/%s\n", + p, buf); + exit(1); + } + if (sscanf(buf, "%s", parm) != 1) { fprintf(stderr, "invalid rcfile line: %s\n", p); exit(1); @@ -31908,12 +32034,26 @@ static void check_rcfile(int argc, char **argv) { p = buf; p += strlen(parm); p = lblanks(p); + if (*p == '\0') { buf[0] = '\0'; continue; } - argv2[argc2++] = strdup(p); + tbuf = (char *) calloc(strlen(p) + 1, 1); + + j = 0; + while (*p) { + if (*p == '\\' && *(p+1) == '#') { + ; + } else { + tbuf[j++] = *p; + } + p++; + } + + argv2[argc2++] = strdup(tbuf); + free(tbuf); if (argc2 >= argmax) { fprintf(stderr, "too many rcfile options\n"); exit(1); @@ -32052,6 +32192,77 @@ void xopen_display_fail_message(char *disp) { fprintf(stderr, "See also: http://www.karlrunge.com/x11vnc/#faq\n"); } +void nopassword_warning_msg(int gotloc) { + + char str1[] = +"###############################################################\n" +"#@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@#\n" +"#@ @#\n" +"#@ ** WARNING ** WARNING ** WARNING ** WARNING ** @#\n" +"#@ @#\n" +"#@ YOU ARE RUNNING X11VNC WITHOUT A PASSWORD!! @#\n" +"#@ @#\n" +"#@ This means anyone with network access to this computer @#\n" +"#@ will be able to easily view and control your desktop. @#\n" +"#@ @#\n" +"#@ >>> If you did not mean to do this Press CTRL-C now!! <<< @#\n" +"#@ @#\n" +"#@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@#\n" +; + char str2[] = +"#@ @#\n" +"#@ You can create an x11vnc password file by running: @#\n" +"#@ @#\n" +"#@ x11vnc -storepasswd password /path/to/passfile @#\n" +"#@ @#\n" +"#@ and then starting x11vnc via: @#\n" +"#@ @#\n" +"#@ x11vnc -rfbauth /path/to/passfile @#\n" +"#@ @#\n" +"#@ an existing ~/.vnc/passwd file will work too. @#\n" +"#@ @#\n" +"#@ You can also use the -passwdfile or -passwd options. @#\n" +"#@ (note -passwd is unsafe if local users are not trusted) @#\n" +"#@ @#\n" +"#@ Make sure any -rfbauth and -passwdfile password files @#\n" +"#@ cannot be read by untrusted users. @#\n" +"#@ @#\n" +"#@ Please Read the documention for more info about @#\n" +"#@ passwords, security, and encryption. @#\n" +; + char str3[] = +"#@ @#\n" +"#@ You are using the -localhost option and that is a good @#\n" +"#@ thing!! Especially if you ssh(1) into this machine and @#\n" +"#@ use port redirection. Nevertheless, without a password @#\n" +"#@ other users could possibly do redirection as well to @#\n" +"#@ gain access to your desktop. @#\n" +; + char str4[] = +"#@ @#\n" +"#@ To disable this warning use the -nopw option, or put @#\n" +"#@ the setting in your ~/.x11vncrc file. @#\n" +"#@ @#\n" +"#@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@#\n" +"###############################################################\n" +; + if (quiet) { + return; + } + + fprintf(stderr, "%s", str1); + fflush(stderr); + usleep(2500 * 1000); + fprintf(stderr, "%s", str2); + if (gotloc) { + fprintf(stderr, "%s", str3); + } + fprintf(stderr, "%s", str4); + fflush(stderr); + usleep(500 * 1000); + +} + int main(int argc, char* argv[]) { int i, len, tmpi; @@ -32061,7 +32272,9 @@ int main(int argc, char* argv[]) { char *remote_cmd = NULL; char *query_cmd = NULL; char *gui_str = NULL; - int pw_loc = -1, got_passwd = 0, got_rfbauth = 0; + int pw_loc = -1, got_passwd = 0, got_rfbauth = 0, nopw = NOPW; + int got_viewpasswd = 0, got_localhost = 0, got_passwdfile = 0; + int running_without_passwd = 0; int vpw_loc = -1; int dt = 0, bg = 0; int got_rfbwait = 0; @@ -32222,6 +32435,7 @@ int main(int argc, char* argv[]) { allow_list = strdup(argv[++i]); } else if (!strcmp(arg, "-localhost")) { allow_list = strdup("127.0.0.1"); + got_localhost = 1; } else if (!strcmp(arg, "-nolookup")) { host_lookup = 0; } else if (!strcmp(arg, "-input")) { @@ -32231,9 +32445,13 @@ int main(int argc, char* argv[]) { vpw_loc = i; CHECK_ARGC viewonly_passwd = strdup(argv[++i]); + got_viewpasswd = 1; } else if (!strcmp(arg, "-passwdfile")) { CHECK_ARGC passwdfile = strdup(argv[++i]); + got_passwdfile = 1; + } else if (!strcmp(arg, "-nopw")) { + nopw = 1; } else if (!strcmp(arg, "-storepasswd")) { if (i+2 >= argc || rfbEncryptAndStorePasswd(argv[i+1], argv[i+2]) != 0) { @@ -32657,6 +32875,10 @@ int main(int argc, char* argv[]) { query_cmd = strdup(argv[++i]); quiet = 1; xkbcompat = 0; + } else if (!strcmp(arg, "-QD")) { + CHECK_ARGC + query_cmd = strdup(argv[++i]); + query_default = 1; } else if (!strcmp(arg, "-sync")) { remote_sync = 1; } else if (!strcmp(arg, "-nosync")) { @@ -32715,9 +32937,15 @@ int main(int argc, char* argv[]) { } } } - + if (!got_passwd && !got_rfbauth && !got_passwdfile && !nopw) { + running_without_passwd = 1; + } if (launch_gui) { - do_gui(gui_str); + int sleep = 0; + if (running_without_passwd && !quiet) { + sleep = 3; + } + do_gui(gui_str, sleep); } if (logfile) { int n; @@ -32768,12 +32996,18 @@ int main(int argc, char* argv[]) { } } - if (client_connect_file && (remote_cmd || query_cmd)) { - /* no need to open DISPLAY, just write it to the file now */ - int rc = do_remote_query(remote_cmd, query_cmd, remote_sync); - fflush(stderr); - fflush(stdout); - exit(rc); + if (remote_cmd || query_cmd) { + /* + * no need to open DISPLAY, just write it to the file now + * similar for query_default. + */ + if (client_connect_file || query_default) { + int rc = do_remote_query(remote_cmd, query_cmd, + remote_sync, query_default); + fflush(stderr); + fflush(stdout); + exit(rc); + } } @@ -32888,6 +33122,10 @@ int main(int argc, char* argv[]) { exit(1); } + if (!got_passwd && !got_rfbauth && !got_passwdfile && !nopw) { + nopassword_warning_msg(got_localhost); + } + if (more_safe) { if (! quiet) { rfbLog("-safer mode:\n"); @@ -33283,7 +33521,8 @@ int main(int argc, char* argv[]) { } if (remote_cmd || query_cmd) { - int rc = do_remote_query(remote_cmd, query_cmd, remote_sync); + int rc = do_remote_query(remote_cmd, query_cmd, remote_sync, + query_default); XFlush(dpy); fflush(stderr); fflush(stdout); @@ -33667,6 +33906,13 @@ int main(int argc, char* argv[]) { } if (! quiet) { rfbLog("screen setup finished.\n"); + if (!got_passwd && !got_rfbauth && !got_passwdfile && !nopw) { + rfbLog("\n"); + rfbLog("WARNING: You are running x11vnc WITHOUT" + " a password. See\n"); + rfbLog("WARNING: the warning message printed above" + " for more info.\n"); + } } set_vnc_desktop_name(); |
