1 | <sect2><title> </title><para> </para></sect2>
|
---|
2 |
|
---|
3 | <sect2>
|
---|
4 | <title>Installation of Ed</title>
|
---|
5 |
|
---|
6 | <note><para>Ed isn't something you would personally use. It's installed here
|
---|
7 | because it can be used by the patch program if you encounter an ed-based patch
|
---|
8 | file. This happens rarely because diff-based patches are preferred these
|
---|
9 | days.</para></note>
|
---|
10 |
|
---|
11 | <para>This package requires its patch to be applied before you can
|
---|
12 | install it.</para>
|
---|
13 |
|
---|
14 | <para><screen><userinput>
|
---|
15 | patch -Np1 -i ../ed-&ed-patch-version;.patch
|
---|
16 | </userinput></screen></para>
|
---|
17 |
|
---|
18 | <para>Prepare Ed to be compiled:</para>
|
---|
19 |
|
---|
20 | <para><screen><userinput>
|
---|
21 | ./configure --prefix=/usr</userinput></screen></para>
|
---|
22 |
|
---|
23 | <para>Continue with compiling the package:</para>
|
---|
24 |
|
---|
25 | <para><screen><userinput>make</userinput></screen></para>
|
---|
26 |
|
---|
27 | <para>And finish off installing the package:</para>
|
---|
28 |
|
---|
29 | <para><screen><userinput>make install</userinput></screen></para>
|
---|
30 |
|
---|
31 | <para>Move the Ed binaries to the root partition.</para>
|
---|
32 |
|
---|
33 | <para><screen><userinput>mv /usr/bin/{ed,red} /bin
|
---|
34 | </userinput></screen></para>
|
---|
35 |
|
---|
36 | </sect2>
|
---|
37 |
|
---|
38 | <sect2>
|
---|
39 | <title>Command explanations</title>
|
---|
40 |
|
---|
41 | <para><userinput>patch -Np1 -i ../ed-&ed-version;.patch:</userinput> This
|
---|
42 | patch fixes a symlink vulnerability in ed. The ed executable creates files
|
---|
43 | in /tmp with predictable names. By using various symlink attacks, it is
|
---|
44 | possible to have ed write to files it should not, change the permissions
|
---|
45 | of files, etc.</para>
|
---|
46 |
|
---|
47 | <para><userinput>mv /usr/bin/{ed,red} /bin:</userinput>
|
---|
48 | The Ed binaries are moved to the /bin directory so they may be used in
|
---|
49 | the event that the /usr partition is unavailable.</para>
|
---|
50 |
|
---|
51 | </sect2>
|
---|
52 |
|
---|