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Revision 1.28 by root, Fri Jan 13 12:40:46 2006 UTC vs.
Revision 1.32 by root, Thu Jan 19 19:26:30 2006 UTC

23 perl-ext-common resource to the empty string, which also keeps 23 perl-ext-common resource to the empty string, which also keeps
24 rxvt-unicode from initialising perl, saving memory. 24 rxvt-unicode from initialising perl, saving memory.
25 25
26 If you only want to disable specific features, you first have to 26 If you only want to disable specific features, you first have to
27 identify which perl extension is responsible. For this, read the 27 identify which perl extension is responsible. For this, read the
28 section PREPACKAGED EXTENSIONS in the urxvtperl(3) manpage. For 28 section PREPACKAGED EXTENSIONS in the rxvtperl(3) manpage. For
29 example, to disable the selection-popup and option-popup, specify 29 example, to disable the selection-popup and option-popup, specify
30 this perl-ext-common resource: 30 this perl-ext-common resource:
31 31
32 URxvt.perl-ext-common: default,-selection-popup,-option-popup 32 URxvt.perl-ext-common: default,-selection-popup,-option-popup
33 33
123 terminal as an example embedding application. 123 terminal as an example embedding application.
124 124
125 How do I know which rxvt-unicode version I'm using? 125 How do I know which rxvt-unicode version I'm using?
126 The version number is displayed with the usage (-h). Also the escape 126 The version number is displayed with the usage (-h). Also the escape
127 sequence "ESC [ 8 n" sets the window title to the version number. 127 sequence "ESC [ 8 n" sets the window title to the version number.
128 When using the urxvtc client, the version displayed is that of the 128 When using the rxvtc client, the version displayed is that of the
129 daemon. 129 daemon.
130 130
131 I am using Debian GNU/Linux and have a problem... 131 I am using Debian GNU/Linux and have a problem...
132 The Debian GNU/Linux package of rxvt-unicode in sarge contains large 132 The Debian GNU/Linux package of rxvt-unicode in sarge contains large
133 patches that considerably change the behaviour of rxvt-unicode. 133 patches that considerably change the behaviour of rxvt-unicode (but
134 Before reporting a bug to the original rxvt-unicode author please 134 unfortunately this notice has been removed). Before reporting a bug
135 download and install the genuine version 135 to the original rxvt-unicode author please download and install the
136 (<http://software.schmorp.de#rxvt-unicode>) and try to reproduce the 136 genuine version (<http://software.schmorp.de#rxvt-unicode>) and try
137 problem. If you cannot, chances are that the problems are specific 137 to reproduce the problem. If you cannot, chances are that the
138 to Debian GNU/Linux, in which case it should be reported via the 138 problems are specific to Debian GNU/Linux, in which case it should
139 Debian Bug Tracking System (use "reportbug" to report the bug). 139 be reported via the Debian Bug Tracking System (use "reportbug" to
140 report the bug).
140 141
141 For other problems that also affect the Debian package, you can and 142 For other problems that also affect the Debian package, you can and
142 probably should use the Debian BTS, too, because, after all, it's 143 probably should use the Debian BTS, too, because, after all, it's
143 also a bug in the Debian version and it serves as a reminder for 144 also a bug in the Debian version and it serves as a reminder for
144 other users that might encounter the same issue. 145 other users that might encounter the same issue.
165 of encodings built-in that increase download times and are rarely 166 of encodings built-in that increase download times and are rarely
166 used). 167 used).
167 168
168 I need to make it setuid/setgid to support utmp/ptys on my OS, is this 169 I need to make it setuid/setgid to support utmp/ptys on my OS, is this
169 safe? 170 safe?
170 Likely not. While I honestly try to make it secure, and am probably 171 It should be, starting with release 7.1. You are encouraged to
171 not bad at it, I think it is simply unreasonable to expect all of 172 properly install urxvt with privileges necessary for your OS now.
172 freetype + fontconfig + xft + xlib + perl + ... + rxvt-unicode 173
173 itself to all be secure. Also, rxvt-unicode disables some options
174 when it detects that it runs setuid or setgid, which is not nice. 174 When rxvt-unicode detects that it runs setuid or setgid, it will
175 Besides, with the embedded perl interpreter the possibility for 175 fork into a helper process for privileged operations (pty handling
176 security problems easily multiplies. 176 on some systems, utmp/wtmp/lastlog handling on others) and drop
177 privileges immediately. This is much safer than most other terminals
178 that keep privileges while running (but is more relevant to urxvt,
179 as it contains things as perl interpreters, which might be "helpful"
180 to attackers).
177 181
178 Elevated privileges are only required for utmp and pty operations on 182 This forking is done as the very first within main(), which is very
179 some systems (for example, GNU/Linux doesn't need any extra 183 early and reduces possible bugs to initialisation code run before
180 privileges for ptys, but some need it for utmp support). It is 184 main(), or things like the dynamic loader of your system, which
181 planned to mvoe this into a forked handler process, but this is not 185 should result in very little risk.
182 yet done.
183
184 So, while setuid/setgid operation is supported and not a problem on
185 your typical single-user-no-other-logins unix desktop, always
186 remember that its an awful lot of code, most of which isn't checked
187 for security issues regularly.
188 186
189 When I log-in to another system it tells me about missing terminfo data? 187 When I log-in to another system it tells me about missing terminfo data?
190 The terminal description used by rxvt-unicode is not as widely 188 The terminal description used by rxvt-unicode is not as widely
191 available as that for xterm, or even rxvt (for which the same 189 available as that for xterm, or even rxvt (for which the same
192 problem often arises). 190 problem often arises).
217 215
218 "tic" outputs some error when compiling the terminfo entry. 216 "tic" outputs some error when compiling the terminfo entry.
219 Most likely it's the empty definition for "enacs=". Just replace it 217 Most likely it's the empty definition for "enacs=". Just replace it
220 by "enacs=\E[0@" and try again. 218 by "enacs=\E[0@" and try again.
221 219
222 "bash"'s readline does not work correctly under urxvt. 220 "bash"'s readline does not work correctly under rxvt.
223 I need a termcap file entry. 221 I need a termcap file entry.
224 One reason you might want this is that some distributions or 222 One reason you might want this is that some distributions or
225 operating systems still compile some programs using the 223 operating systems still compile some programs using the
226 long-obsoleted termcap library (Fedora Core's bash is one example) 224 long-obsoleted termcap library (Fedora Core's bash is one example)
227 and rely on a termcap entry for "rxvt-unicode". 225 and rely on a termcap entry for "rxvt-unicode".
338 indeed look correct. 336 indeed look correct.
339 337
340 In that case, select a font of your taste and add it to the font 338 In that case, select a font of your taste and add it to the font
341 list, e.g.: 339 list, e.g.:
342 340
343 urxvt -fn basefont,font2,font3... 341 rxvt -fn basefont,font2,font3...
344 342
345 When rxvt-unicode sees a character, it will first look at the base 343 When rxvt-unicode sees a character, it will first look at the base
346 font. If the base font does not contain the character, it will go to 344 font. If the base font does not contain the character, it will go to
347 the next font, and so on. Specifying your own fonts will also speed 345 the next font, and so on. Specifying your own fonts will also speed
348 up this search and use less resources within rxvt-unicode and the 346 up this search and use less resources within rxvt-unicode and the
580 578
581 My input method wants <some encoding> but I want UTF-8, what can I do? 579 My input method wants <some encoding> but I want UTF-8, what can I do?
582 You can specify separate locales for the input method and the rest 580 You can specify separate locales for the input method and the rest
583 of the terminal, using the resource "imlocale": 581 of the terminal, using the resource "imlocale":
584 582
585 URxvt*imlocale: ja_JP.EUC-JP 583 URxvt.imlocale: ja_JP.EUC-JP
586 584
587 Now you can start your terminal with "LC_CTYPE=ja_JP.UTF-8" and 585 Now you can start your terminal with "LC_CTYPE=ja_JP.UTF-8" and
588 still use your input method. Please note, however, that you will not 586 still use your input method. Please note, however, that you will not
589 be able to input characters outside "EUC-JP" in a normal way then, 587 be able to input characters outside "EUC-JP" in a normal way then,
590 as your input method limits you. 588 as your input method limits you.
698 URxvt.color6: #73f7ff 696 URxvt.color6: #73f7ff
699 URxvt.color14: #73f7ff 697 URxvt.color14: #73f7ff
700 URxvt.color7: #e1dddd 698 URxvt.color7: #e1dddd
701 URxvt.color15: #e1dddd 699 URxvt.color15: #e1dddd
702 700
703 How can I start urxvtd in a race-free way? 701 How can I start rxvtd in a race-free way?
704 Try "urxvtd -f -o", which tells urxvtd to open the display, create 702 Try "rxvtd -f -o", which tells rxvtd to open the display, create the
705 the listening socket and then fork. 703 listening socket and then fork.
706 704
707 What's with the strange Backspace/Delete key behaviour? 705 What's with the strange Backspace/Delete key behaviour?
708 Assuming that the physical Backspace key corresponds to the 706 Assuming that the physical Backspace key corresponds to the
709 BackSpace keysym (not likely for Linux ... see the following 707 BackSpace keysym (not likely for Linux ... see the following
710 question) there are two standard values that can be used for 708 question) there are two standard values that can be used for
723 721
724 For starting a new rxvt-unicode: 722 For starting a new rxvt-unicode:
725 723
726 # use Backspace = ^H 724 # use Backspace = ^H
727 $ stty erase ^H 725 $ stty erase ^H
728 $ urxvt 726 $ rxvt
729 727
730 # use Backspace = ^? 728 # use Backspace = ^?
731 $ stty erase ^? 729 $ stty erase ^?
732 $ urxvt 730 $ rxvt
733 731
734 Toggle with "ESC [ 36 h" / "ESC [ 36 l". 732 Toggle with "ESC [ 36 h" / "ESC [ 36 l".
735 733
736 For an existing rxvt-unicode: 734 For an existing rxvt-unicode:
737 735
765 There are some compile-time selections available via configure. 763 There are some compile-time selections available via configure.
766 Unless you have run "configure" with the "--disable-resources" 764 Unless you have run "configure" with the "--disable-resources"
767 option you can use the `keysym' resource to alter the keystrings 765 option you can use the `keysym' resource to alter the keystrings
768 associated with keysyms. 766 associated with keysyms.
769 767
770 Here's an example for a URxvt session started using "urxvt -name 768 Here's an example for a URxvt session started using "rxvt -name
771 URxvt" 769 URxvt"
772 770
773 URxvt.keysym.Home: \033[1~ 771 URxvt.keysym.Home: \033[1~
774 URxvt.keysym.End: \033[4~ 772 URxvt.keysym.End: \033[4~
775 URxvt.keysym.C-apostrophe: \033<C-'> 773 URxvt.keysym.C-apostrophe: \033<C-'>

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