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Diffstat (limited to 'chapter06/ed-inst.xml')
| -rw-r--r-- | chapter06/ed-inst.xml | 51 |
1 files changed, 41 insertions, 10 deletions
diff --git a/chapter06/ed-inst.xml b/chapter06/ed-inst.xml index cc992bd8c..4646fecb1 100644 --- a/chapter06/ed-inst.xml +++ b/chapter06/ed-inst.xml @@ -1,21 +1,52 @@ +<sect2><title> </title><para> </para></sect2> + <sect2> <title>Installation of Ed</title> +<note><para>Ed isn't something you would personally use. It's installed here +because it can be used by the patch program if you encounter an ed-based patch +file. This happens rarely because diff-based patches are preferred these +days.</para></note> + <para>This package requires its patch to be applied before you can install it.</para> -<para>Ed isn't something you would personally use. It's installed here -because it can be used by the patch program if you encounter an ed-based patch -file. This happens rarely because diff-based patches are preferred these -days.</para> +<para><screen><userinput> +patch -Np1 -i ../ed-&ed-patch-version;.patch +</userinput></screen></para> + +<para>Prepare Ed to be compiled:</para> + +<para><screen><userinput> +./configure --prefix=/usr</userinput></screen></para> + +<para>Continue with compiling the package:</para> + +<para><screen><userinput>make</userinput></screen></para> + +<para>And finish off installing the package:</para> + +<para><screen><userinput>make install</userinput></screen></para> + +<para>Move the Ed binaries to the root partition.</para> + +<para><screen><userinput>mv /usr/bin/{ed,red} /bin +</userinput></screen></para> + +</sect2> + +<sect2> +<title>Command explanations</title> -<para>Install Ed by running the following commands:</para> +<para><userinput>patch -Np1 -i ../ed-&ed-version;.patch:</userinput> This +patch fixes a symlink vulnerability in ed. The ed executable creates files +in /tmp with predictable names. By using various symlink attacks, it is +possible to have ed write to files it should not, change the permissions +of files, etc.</para> -<para><screen><userinput>patch -Np1 -i ../ed-&ed-patch-version;.patch && -./configure --prefix=/usr && -make && -make install && -mv /usr/bin/{ed,red} /bin</userinput></screen></para> +<para><userinput>mv /usr/bin/{ed,red} /bin:</userinput> +The Ed binaries are moved to the /bin directory so they may be used in +the event that the /usr partition is unavailable.</para> </sect2> |