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[packages/sendmail.git] / sendmail-smrsh-paths.patch
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1--- ./smrsh/README.org Wed Jan 24 01:05:58 2001
2+++ ./smrsh/README Tue Jun 4 14:25:06 2002
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3@@ -6,7 +6,7 @@
4 intended as a supplement to the CERT advisory CA-93:16.sendmail.vulnerability,
5 and to the software, smrsh.c, written by Eric Allman.
6
7-
dbea50b4 8+* Modified by PLD Team to reflect different paths. *
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9
10 The smrsh(8) program is intended as a replacement for /bin/sh in the
11 program mailer definition of sendmail(8). This README file describes
12@@ -46,15 +46,15 @@
13
14
15
16-As root, install smrsh in /usr/libexec. Using the Build script:
17+As root, install smrsh in /usr/sbin. Using the Build script:
18
19 host.domain# sh Build install
20
21-For manual installation: install smrsh in the /usr/libexec
22+For manual installation: install smrsh in the /usr/sbin
23 directory, with mode 511.
24
25- host.domain# mv smrsh /usr/libexec
26- host.domain# chmod 511 /usr/libexec/smrsh
27+ host.domain# mv smrsh /usr/sbin
28+ host.domain# chmod 511 /usr/sbin/smrsh
29
30
31
32@@ -76,7 +76,7 @@
33 acceptable commands.
34
a4f43047 35 If your platform doesn't have a default SMRSH_CMDDIR setting, you will
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36-next need to create the directory /usr/adm/sm.bin and populate
37+next need to create the directory /etc/smrsh and populate
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38 it with the programs that your site feels are allowable for sendmail
39 to execute. This directory is explicitly specified in the source
40 code for smrsh, so changing this directory must be accompanied with
41@@ -85,22 +85,22 @@
42
43 You will have to be root to make these modifications.
44
45-After creating the /usr/adm/sm.bin directory, either copy the programs
46+After creating the /etc/smrsh directory, either copy the programs
47 to the directory, or establish links to the allowable programs from
48-/usr/adm/sm.bin. Change the file permissions, so that these programs
49+/etc/smrsh. Change the file permissions, so that these programs
50 can not be modified by non-root users. If you use links, you should
51 ensure that the target programs are not modifiable.
52
53 To allow the popular vacation(1) program by creating a link in the
54-/usr/adm/sm.bin directory, you should:
55+/etc/smrsh directory, you should:
56
57- host.domain# cd /usr/adm/sm.bin
dbea50b4 58- host.domain# ln -s /usr/ucb/vacation vacation
1dce6292 59+ host.domain# cd /etc/smrsh
dbea50b4 60+ host.domain# ln -s /usr/bin/vacation vacation
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61
62
63
64
65-After populating the /usr/adm/sm.bin directory, you can now configure
66+After populating the /etc/smrsh directory, you can now configure
67 sendmail to use the restricted shell. Save the current sendmail.cf
68 file prior to modifying it, as a prudent precaution.
69
70@@ -115,7 +115,7 @@
71
72 In order to configure sendmail to use smrsh, you must modify the Mprog
73 definition in the sendmail.cf file, by replacing the /bin/sh specification
74-with /usr/libexec/smrsh.
75+with /usr/sbin/smrsh.
76
77 As an example:
78
79@@ -123,14 +123,14 @@
80 Mprog, P=/bin/sh, F=lsDFMeuP, S=10, R=20, A=sh -c $u
81
82 which should be changed to:
83-Mprog, P=/usr/libexec/smrsh, F=lsDFMeuP, S=10, R=20, A=sh -c $u
84+Mprog, P=/usr/sbin/smrsh, F=lsDFMeuP, S=10, R=20, A=sh -c $u
4e879beb 85 ^^^^^^^^^^^^^^^^^^
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86
87 A more generic line may be:
88 Mprog, P=/bin/sh, F=lsDFM, A=sh -c $u
89
90 and should be changed to;
91-Mprog, P=/usr/libexec/smrsh, F=lsDFM, A=sh -c $u
92+Mprog, P=/usr/sbin/smrsh, F=lsDFM, A=sh -c $u
93
94
95 After modifying the Mprog definition in the sendmail.cf file, if a frozen
96@@ -141,7 +141,7 @@
97 a search of the strings(1) output of the sendmail binary.
98
99 In order to create a new frozen configuration, if it is required:
100- host.domain# /usr/lib/sendmail -bz
101+ host.domain# /usr/sbin/sendmail -bz
102
103 Now re-start the sendmail process. An example of how to do this on
104 a typical system follows:
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105--- ./smrsh/smrsh.8.org Thu Apr 25 15:33:40 2002
106+++ ./smrsh/smrsh.8 Tue Jun 4 14:27:48 2002
dbea50b4 107@@ -39,7 +39,7 @@
1dce6292 108 .I smrsh
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109 limits programs to be in a single directory,
110 by default
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111-/usr/adm/sm.bin,
112+/etc/smrsh,
113 allowing the system administrator to choose the set of acceptable commands,
114 and to the shell builtin commands ``exec'', ``exit'', and ``echo''.
115 It also rejects any commands with the characters
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116@@ -47,7 +47,7 @@
117 or `\en' (newline)
118 on the command line to prevent ``end run'' attacks.
119 It allows ``||'' and ``&&'' to enable commands like:
120-``"|exec /usr/local/bin/procmail -f- /etc/procmailrcs/user || exit 75"''
121+``"|exec /usr/bin/procmail -f- /etc/procmailrcs/user || exit 75"''
122 .PP
123 Initial pathnames on programs are stripped,
124 so forwarding to ``/usr/ucb/vacation'',
125@@ -56,10 +56,10 @@
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126 and
127 ``vacation''
128 all actually forward to
129-``/usr/adm/sm.bin/vacation''.
130+``/etc/smrsh/vacation''.
131 .PP
132 System administrators should be conservative about populating
dbea50b4 133-the sm.bin directory.
4e879beb 134+the /etc/smrsh/ directory.
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135 Reasonable additions are
136 .IR vacation (1),
137 .IR procmail (1),
dbea50b4 138@@ -69,20 +69,12 @@
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139 (such as
140 .IR perl (1))
141 in the
142-sm.bin
4e879beb 143+/etc/smrsh/
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144 directory.
145 Note that this does not restrict the use of shell or perl scripts
dbea50b4 146 in the sm.bin directory (using the ``#!'' syntax);
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147 it simply disallows execution of arbitrary programs.
148-.SH COMPILATION
149-Compilation should be trivial on most systems.
a4f43047 150-You may need to use \-DSMRSH_PATH=\e"\fIpath\fP\e"
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151-to adjust the default search path
152-(defaults to ``/bin:/usr/bin:/usr/ucb'')
4e879beb 153-and/or \-DSMRSH_CMDDIR=\e"\fIdir\fP\e"
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154-to change the default program directory
155-(defaults to ``/usr/adm/sm.bin'').
156 .SH FILES
157-/usr/adm/sm.bin \- directory for restricted programs
4e879beb 158+/etc/smrsh/ \- directory for restricted programs
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159 .SH SEE ALSO
160 sendmail(8)
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161--- ./smrsh/smrsh.c.org Sat May 25 04:41:31 2002
162+++ ./smrsh/smrsh.c Tue Jun 4 14:29:28 2002
163@@ -75,7 +75,7 @@
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164 # ifdef SMRSH_CMDDIR
165 # define CMDDIR SMRSH_CMDDIR
166 # else /* SMRSH_CMDDIR */
dbea50b4 167-# define CMDDIR "/usr/adm/sm.bin"
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168+# define CMDDIR "/etc/smrsh"
169 # endif /* SMRSH_CMDDIR */
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170 #endif /* ! CMDDIR */
171
4e879beb 172@@ -87,7 +87,7 @@
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173 # ifdef SMRSH_PATH
174 # define PATH SMRSH_PATH
175 # else /* SMRSH_PATH */
176-# define PATH "/bin:/usr/bin:/usr/ucb"
177+# define PATH "/bin:/usr/bin"
178 # endif /* SMRSH_PATH */
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179 #endif /* ! PATH */
180
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