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Looks like final fix for xlaunch

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svn path=/nixpkgs/trunk/; revision=10044
This commit is contained in:
Michael Raskin 2008-01-01 21:01:58 +00:00
parent 763ac687b2
commit a677869546
1 changed files with 31 additions and 6 deletions
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37
pkgs/tools/X11/xlaunch/default.nix
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@ -3,12 +3,37 @@ stdenv.mkDerivation {
name = "xlaunch";
inherit xorgserver;
buildCommand = "
cat << EOF > realizeuid.c
#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
int main(int argc, char ** argv, char ** envp)
{
uid_t a,b,c;
int i;
char *nargv[10000];
char arg1 [10];
nargv[0]=argv[0];
for (i=1; i<=argc; i++){
nargv[i+1]=argv[i];
}
nargv[1]=arg1;
getresuid (&a,&b,&c);
snprintf(arg1,8,\"%d\",a);
setresuid(c,c,c);
execve(\"\$out/libexec/xlaunch\", nargv, envp);
}
EOF
mkdir -p \$out/bin
echo '
(egrep \"^ +env\" /etc/event.d/xserver | sed -e \"s/env/ export /\" ; echo X;) | bash &
sleep 15;
\"$@\";
' >\$out/bin/xlaunch
chmod a+x \$out/bin/xlaunch
mkdir -p \$out/libexec
gcc realizeuid.c -o \$out/bin/xlaunch
echo '#! ${stdenv.shell}
(egrep \"^ +env\" /etc/event.d/xserver | sed -e \"s/env/ export /\" | sed -e '\\''s/#.*//'\\'' ; echo export _XARGS_=\\\$\\( grep xserver_arguments \\\$SLIM_CFGFILE \\| sed -e s/xserver_arguments// \\) ; echo X \\\$_XARGS_ ) | bash -l &
while ! test -e /tmp/.X11-unix/X0 &>/dev/null ; do sleep 0.5; done
USER=\$(egrep '\\''^[-a-z0-9A-Z_]*:[^:]*:'\\''\$1'\\'':'\\'' /etc/passwd | sed -e '\\''s/:.*//'\\'' )
shift
su -l \${USER:-identityless-shelter} -c \"DISPLAY=:0 \$*\";
' >\$out/libexec/xlaunch
chmod a+x \$out/libexec/xlaunch
";
}