diff options
Diffstat (limited to 'x11vnc/help.c')
| -rw-r--r-- | x11vnc/help.c | 448 |
1 files changed, 413 insertions, 35 deletions
diff --git a/x11vnc/help.c b/x11vnc/help.c index 5d8eb61..241e37c 100644 --- a/x11vnc/help.c +++ b/x11vnc/help.c @@ -9,6 +9,7 @@ */ void print_help(int mode); +void print_license(void); void xopen_display_fail_message(char *disp); void nopassword_warning_msg(int gotloc); @@ -48,7 +49,7 @@ 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" +"Also, use of a VNC password (-rfbauth or -passwdfile) is strongly recommended.\n" "\n" "For additional info see: http://www.karlrunge.com/x11vnc/\n" " and http://www.karlrunge.com/x11vnc/#faq\n" @@ -201,11 +202,11 @@ void print_help(int mode) { " This enables a scheme were XGetImage() is not used\n" " to retrieve the 8bpp data. Instead, it assumes that\n" " the 8bpp data is in bits 25-32 of the 32bit X pixels.\n" -" There is no reason the X server should put the data\n" -" there for our poll requests, but some do and so the\n" -" extra steps to retrieve it can be skipped. Tested with\n" -" mga driver with XFree86/Xorg. For the default depth\n" -" 8 case this option is ignored.\n" +" There is no requirement that the X server should put\n" +" the data there for our poll requests, but some do and\n" +" so the extra steps to retrieve it can be skipped.\n" +" Tested with mga driver with XFree86/Xorg. For the\n" +" default depth 8 case this option is ignored.\n" "\n" " To adjust how often XGetImage() is used to poll the\n" " non-default visual regions for changes, use the option\n" @@ -314,6 +315,11 @@ void print_help(int mode) { " change the global or per-client viewonly state the\n" " filetransfer permissions will NOT change.\n" "\n" +" Note, to *enable* UltraVNC filetransfer (currently\n" +" disabled by default, this may change...) and to get it\n" +" to work you probably need to supply these libvncserver\n" +" options: \"-rfbversion 3.6 -permitfiletransfer\"\n" +"\n" "-http Instead of using -httpdir (see below) to specify\n" " where the Java vncviewer applet is, have x11vnc try\n" " to *guess* where the directory is by looking relative\n" @@ -357,7 +363,7 @@ void print_help(int mode) { " file containing addresses or prefixes that is re-read\n" " each time a new client connects. Lines can be commented\n" " out with the \"#\" character in the usual way.\n" -"-localhost Same as \"-allow 127.0.0.1\".\n" +"-localhost Basically the same as \"-allow 127.0.0.1\".\n" "\n" " Note: if you want to restrict which network interface\n" " x11vnc listens on, see the -listen option below.\n" @@ -365,11 +371,11 @@ void print_help(int mode) { " As a special case, the option \"-localhost\" implies\n" " \"-listen localhost\".\n" "\n" -" For non-localhost -listen usage, if you use the remote\n" -" control mechanism (-R) to change the -listen interface\n" -" you may need to manually adjust the -allow list (and\n" -" vice versa) to avoid situations where no connections\n" -" (or too many) are allowed.\n" +" A rare case, but for non-localhost -listen usage, if\n" +" you use the remote control mechanism (-R) to change\n" +" the -listen interface you may need to manually adjust\n" +" the -allow list (and vice versa) to avoid situations\n" +" where no connections (or too many) are allowed.\n" "\n" "-nolookup Do not use gethostbyname() or gethostbyaddr() to look up\n" " host names or IP numbers. Use this if name resolution\n" @@ -420,7 +426,7 @@ void print_help(int mode) { " limiting the readability of the file. In general,\n" " the password file should not be readable by untrusted\n" " users (BTW: neither should the VNC -rfbauth file:\n" -" it is NOT encrypted).\n" +" it is NOT encrypted, only obscured).\n" "\n" " If the filename is prefixed with \"read:\" it will\n" " periodically be checked for changes and reread.\n" @@ -549,7 +555,7 @@ void print_help(int mode) { " per-user options after a \":\", e.g. \"fred:opts\"\n" " where \"opts\" is a \"+\" separated list of\n" " \"viewonly\", \"fullaccess\", \"input=XXXX\", or\n" -" \"deny\", e.g. \"karl,fred:viewonly,boss:input=M\".\n" +" \"deny\", e.g. \"karl,wally:viewonly,boss:input=M\".\n" " For \"input=\" it is the K,M,B,C described under -input.\n" "\n" " If a user in the list is \"*\" that means those\n" @@ -574,8 +580,10 @@ void print_help(int mode) { " (e.g. \"ypcat passwd\"). NIS is not required for this\n" " mode to work (only that getpwnam(3) return the encrypted\n" " password is required), but it is unlikely it will work\n" -" for any other modern environment. All of the -unixpw\n" -" options and contraints apply.\n" +" for any other modern environment unless x11vnc is run\n" +" as root (which, btw, is often done when running x11vnc\n" +" from inetd and xdm/gdm/kdm). All of the -unixpw options\n" +" and contraints apply.\n" "\n" "-display WAIT:... A special usage mode for the normal -display option.\n" " Useful with -unixpw, but can be used independently\n" @@ -602,17 +610,17 @@ void print_help(int mode) { " of the form XAUTHORITY=<file> or raw xauthority data for\n" " the display (e.g. \"xauth extract - $DISPLAY\" output).\n" "\n" -" In the case of -unixpw, then the above command is run\n" -" as the user who just authenticated via the login and\n" -" password prompt.\n" +" In the case of -unixpw (but not -unixpw_nis), then the\n" +" above command is run as the user who just authenticated\n" +" via the login and password prompt.\n" "\n" " Also in the case of -unixpw, the user logging in can\n" " place a colon at the end of his username and supply\n" -" a few options: scale=, scale_cursor=, solid, id=,\n" -" clear_mods, clear_keys, repeat, or speeds= separated\n" -" by commas if there is more than one. After the user\n" -" logs in successfully, these options will be applied to\n" -" the VNC screen. For example,\n" +" a few options: scale=, scale_cursor= (or sc=), solid,\n" +" id=, clear_mods (or cm), clear_keys (or ck), repeat, or\n" +" speeds= separated by commas if there is more than one.\n" +" After the user logs in successfully, these options will\n" +" be applied to the VNC screen. For example,\n" "\n" " login: fred:scale=3/4,repeat\n" " Password: ...\n" @@ -635,17 +643,17 @@ void print_help(int mode) { " A nice way to use WAIT:cmd=... is out of inetd(8)\n" " (it automatically forks a new x11vnc for each user).\n" " You can have the x11vnc inetd spawned process run as,\n" -" say, root or nobody. When run as root (for either\n" -" inetd or display manager), you can also supply the\n" -" option \"-users unixpw=\" to have the x11vnc process\n" -" switch to the user as well. Note: there will be a 2nd\n" -" SSL helper process that will not switch, but it is only\n" -" encoding and decoding the stream at that point.\n" -"\n" -" As a special case, WAIT:cmd=FINDDISPLAY will run\n" -" a script that works on most Unixes to determine a\n" -" user's DISPLAY variable and xauthority data. To have\n" -" this default script printed to stdout (e.g. for\n" +" say, root or nobody. When run as root (for either inetd\n" +" or display manager), you can also supply the option\n" +" \"-users unixpw=\" to have the x11vnc process switch to\n" +" the user as well. Note: there will be a 2nd SSL helper\n" +" process that will not switch, but it is only encoding\n" +" and decoding the encrypted stream at that point.\n" +"\n" +" As a special case, WAIT:cmd=FINDDISPLAY will run a\n" +" script that works on most Unixes to determine a user's\n" +" DISPLAY variable and xauthority data (see who(1)).\n" +" To have this default script printed to stdout (e.g. for\n" " customization) run with WAIT:cmd=FINDDISPLAY-print\n" "\n" " As another special case, WAIT:cmd=HTTPONCE will allow\n" @@ -1223,6 +1231,15 @@ void print_help(int mode) { " use \"popup:N\" to modify the timeout to N seconds\n" " (use 0 for no timeout).\n" "\n" +" In the case of \"popup\" and when the -unixpw option\n" +" is specified, then a *second* window will be popped\n" +" up after the user successfully logs in via his UNIX\n" +" password. This time the user will be identified as\n" +" UNIX:username@hostname, the \"UNIX:\" prefix indicates\n" +" which user the viewer logged as via -unixpw. The first\n" +" popup is only for whether to allow him to even *try*\n" +" to login via unix password.\n" +"\n" " If \"string\" is \"xmessage\" then an xmessage(1)\n" " invocation is used for the command. xmessage must be\n" " installed on the machine for this to work.\n" @@ -1450,6 +1467,8 @@ void print_help(int mode) { "-h, -help Print this help text.\n" "-?, -opts Only list the x11vnc options.\n" "-V, -version Print program version and last modification date.\n" +"-license Print out license information. Same as -copying and\n" +" -warranty.\n" "\n" "-dbg Instead of exiting after cleaning up, run a simple\n" " \"debug crash shell\" when fatal errors are trapped.\n" @@ -3393,4 +3412,363 @@ void nopassword_warning_msg(int gotloc) { #endif } +void print_license(void) { +#if !SKIP_HELP + char license[] = +" GNU GENERAL PUBLIC LICENSE\n" +" Version 2, June 1991\n" +"\n" +" Copyright (C) 1989, 1991 Free Software Foundation, Inc.\n" +" 59 Temple Place - Suite 330, Boston, MA\n" +" 02111-1307, USA.\n" +" Everyone is permitted to copy and distribute verbatim copies\n" +" of this license document, but changing it is not allowed.\n" +"\n" +" Preamble\n" +"\n" +" The licenses for most software are designed to take away your\n" +"freedom to share and change it. By contrast, the GNU General Public\n" +"License is intended to guarantee your freedom to share and change free\n" +"software--to make sure the software is free for all its users. This\n" +"General Public License applies to most of the Free Software\n" +"Foundation's software and to any other program whose authors commit to\n" +"using it. (Some other Free Software Foundation software is covered by\n" +"the GNU Library General Public License instead.) You can apply it to\n" +"your programs, too.\n" +"\n" +" When we speak of free software, we are referring to freedom, not\n" +"price. Our General Public Licenses are designed to make sure that you\n" +"have the freedom to distribute copies of free software (and charge for\n" +"this service if you wish), that you receive source code or can get it\n" +"if you want it, that you can change the software or use pieces of it\n" +"in new free programs; and that you know you can do these things.\n" +"\n" +" To protect your rights, we need to make restrictions that forbid\n" +"anyone to deny you these rights or to ask you to surrender the rights.\n" +"These restrictions translate to certain responsibilities for you if you\n" +"distribute copies of the software, or if you modify it.\n" +"\n" +" For example, if you distribute copies of such a program, whether\n" +"gratis or for a fee, you must give the recipients all the rights that\n" +"you have. You must make sure that they, too, receive or can get the\n" +"source code. 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To prevent this, we have made it clear that any\n" +"patent must be licensed for everyone's free use or not licensed at all.\n" +"\n" +" The precise terms and conditions for copying, distribution and\n" +"modification follow.\n" +" \n" +" GNU GENERAL PUBLIC LICENSE\n" +" TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION\n" +"\n" +" 0. This License applies to any program or other work which contains\n" +"a notice placed by the copyright holder saying it may be distributed\n" +"under the terms of this General Public License. The \"Program\", below,\n" +"refers to any such program or work, and a \"work based on the Program\"\n" +"means either the Program or any derivative work under copyright law:\n" +"that is to say, a work containing the Program or a portion of it,\n" +"either verbatim or with modifications and/or translated into another\n" +"language. (Hereinafter, translation is included without limitation in\n" +"the term \"modification\".) 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You may copy and distribute verbatim copies of the Program's\n" +"source code as you receive it, in any medium, provided that you\n" +"conspicuously and appropriately publish on each copy an appropriate\n" +"copyright notice and disclaimer of warranty; keep intact all the\n" +"notices that refer to this License and to the absence of any warranty;\n" +"and give any other recipients of the Program a copy of this License\n" +"along with the Program.\n" +"\n" +"You may charge a fee for the physical act of transferring a copy, and\n" +"you may at your option offer warranty protection in exchange for a fee.\n" +"\n" +" 2. 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The Free Software Foundation may publish revised and/or new versions\n" +"of the General Public License from time to time. Such new versions will\n" +"be similar in spirit to the present version, but may differ in detail to\n" +"address new problems or concerns.\n" +"\n" +"Each version is given a distinguishing version number. If the Program\n" +"specifies a version number of this License which applies to it and \"any\n" +"later version\", you have the option of following the terms and conditions\n" +"either of that version or of any later version published by the Free\n" +"Software Foundation. If the Program does not specify a version number of\n" +"this License, you may choose any version ever published by the Free Software\n" +"Foundation.\n" +"\n" +" 10. If you wish to incorporate parts of the Program into other free\n" +"programs whose distribution conditions are different, write to the author\n" +"to ask for permission. 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It is safest\n" +"to attach them to the start of each source file to most effectively\n" +"convey the exclusion of warranty; and each file should have at least\n" +"the \"copyright\" line and a pointer to where the full notice is found.\n" +"\n" +" <one line to give the program's name and a brief idea of what it does.>\n" +" Copyright (C) 19yy <name of author>\n" +"\n" +" This program is free software; you can redistribute it and/or modify\n" +" it under the terms of the GNU General Public License as published by\n" +" the Free Software Foundation; either version 2 of the License, or\n" +" (at your option) any later version.\n" +"\n" +" This program is distributed in the hope that it will be useful,\n" +" but WITHOUT ANY WARRANTY; without even the implied warranty of\n" +" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" +" GNU General Public License for more details.\n" +"\n" +" You should have received a copy of the GNU General Public License\n" +" along with this program; if not, write to the Free Software\n" +" Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n" +"\n" +"Also add information on how to contact you by electronic and paper mail.\n" +"\n" +"If the program is interactive, make it output a short notice like this\n" +"when it starts in an interactive mode:\n" +"\n" +" Gnomovision version 69, Copyright (C) 19yy name of author\n" +" Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.\n" +" This is free software, and you are welcome to redistribute it\n" +" under certain conditions; type `show c' for details.\n" +"\n" +"The hypothetical commands `show w' and `show c' should show the appropriate\n" +"parts of the General Public License. Of course, the commands you use may\n" +"be called something other than `show w' and `show c'; they could even be\n" +"mouse-clicks or menu items--whatever suits your program.\n" +"\n" +"You should also get your employer (if you work as a programmer) or your\n" +"school, if any, to sign a \"copyright disclaimer\" for the program, if\n" +"necessary. Here is a sample; alter the names:\n" +"\n" +" Yoyodyne, Inc., hereby disclaims all copyright interest in the program\n" +" `Gnomovision' (which makes passes at compilers) written by James Hacker.\n" +"\n" +" <signature of Ty Coon>, 1 April 1989\n" +" Ty Coon, President of Vice\n" +"\n" +"This General Public License does not permit incorporating your program into\n" +"proprietary programs. If your program is a subroutine library, you may\n" +"consider it more useful to permit linking proprietary applications with the\n" +"library. If this is what you want to do, use the GNU Library General\n" +"Public License instead of this License.\n" +; + + char top[] = +"\n" +"x11vnc: a VNC server for X displays. %s\n" +"\n" +"Copyright (c) 2002-2006 Karl J. Runge <runge@karlrunge.com>\n" +"All rights reserved.\n" +"\n" +; + dup2(1, 2); + fprintf(stderr, top, lastmod); + fprintf(stderr, "%s", license); +#endif + exit(1); +} |
