annotate INSTALL @ 1859:1d86a58fb52d

Leave non-interactive at default QoS class Lower class levels are less well defined, and non-interactive SSH can carry various different types of applications. This change also sets lowdelay class (AF21) earlier in an an outbound dbclient session
author Matt Johnston <matt@ucc.asn.au>
date Thu, 27 Jan 2022 14:34:10 +0800
parents f78e67527731
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1 Basic Dropbear build instructions:
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
2
1493
72fd994fe7bd Update build instructions for localoptions, and tidy
Matt Johnston <matt@ucc.asn.au>
parents: 1447
diff changeset
3 - Edit localoptions.h to set which features you want. Available options
1524
d35cf9a5e0b5 rename default_options.h.in in docs too
Matt Johnston <matt@ucc.asn.au>
parents: 1493
diff changeset
4 are described in default_options.h, these will be overridden by
1493
72fd994fe7bd Update build instructions for localoptions, and tidy
Matt Johnston <matt@ucc.asn.au>
parents: 1447
diff changeset
5 anything set in localoptions.h
1565
2fd52c383163 mention localoptions.h being build directory, fix underscore in CHANGES
Matt Johnston <matt@ucc.asn.au>
parents: 1524
diff changeset
6 localoptions.h should be located in the build directory if you are
2fd52c383163 mention localoptions.h being build directory, fix underscore in CHANGES
Matt Johnston <matt@ucc.asn.au>
parents: 1524
diff changeset
7 building out of tree.
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
8
1493
72fd994fe7bd Update build instructions for localoptions, and tidy
Matt Johnston <matt@ucc.asn.au>
parents: 1447
diff changeset
9 - Configure for your system:
72fd994fe7bd Update build instructions for localoptions, and tidy
Matt Johnston <matt@ucc.asn.au>
parents: 1447
diff changeset
10 ./configure (optionally with --disable-zlib or --disable-syslog,
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
11 or --help for other options)
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
12
1814
f78e67527731 Add configure script to version control. Set timezone for release tarball
Matt Johnston <matt@ucc.asn.au>
parents: 1792
diff changeset
13 (you'll need to first run "autoconf; autoheader" if you edit configure.ac)
f78e67527731 Add configure script to version control. Set timezone for release tarball
Matt Johnston <matt@ucc.asn.au>
parents: 1792
diff changeset
14
1493
72fd994fe7bd Update build instructions for localoptions, and tidy
Matt Johnston <matt@ucc.asn.au>
parents: 1447
diff changeset
15 - Compile:
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
16
1493
72fd994fe7bd Update build instructions for localoptions, and tidy
Matt Johnston <matt@ucc.asn.au>
parents: 1447
diff changeset
17 make PROGRAMS="dropbear dbclient dropbearkey dropbearconvert scp"
72fd994fe7bd Update build instructions for localoptions, and tidy
Matt Johnston <matt@ucc.asn.au>
parents: 1447
diff changeset
18
72fd994fe7bd Update build instructions for localoptions, and tidy
Matt Johnston <matt@ucc.asn.au>
parents: 1447
diff changeset
19 - Optionally install, or copy the binaries another way
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
20
1493
72fd994fe7bd Update build instructions for localoptions, and tidy
Matt Johnston <matt@ucc.asn.au>
parents: 1447
diff changeset
21 make install (/usr/local/bin is usual default):
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
22
1493
72fd994fe7bd Update build instructions for localoptions, and tidy
Matt Johnston <matt@ucc.asn.au>
parents: 1447
diff changeset
23 or
72fd994fe7bd Update build instructions for localoptions, and tidy
Matt Johnston <matt@ucc.asn.au>
parents: 1447
diff changeset
24
72fd994fe7bd Update build instructions for localoptions, and tidy
Matt Johnston <matt@ucc.asn.au>
parents: 1447
diff changeset
25 make PROGRAMS="dropbear dbclient dropbearkey dropbearconvert scp" install
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
26
72
9597c2e3b9d4 Some doc changes
Matt Johnston <matt@ucc.asn.au>
parents: 69
diff changeset
27 (you can leave items out of the PROGRAMS list to avoid compiling them. If you
9597c2e3b9d4 Some doc changes
Matt Johnston <matt@ucc.asn.au>
parents: 69
diff changeset
28 recompile after changing the PROGRAMS list, you *MUST* "make clean" before
9597c2e3b9d4 Some doc changes
Matt Johnston <matt@ucc.asn.au>
parents: 69
diff changeset
29 recompiling - bad things will happen otherwise)
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
30
1717
295377ecbf49 Add DEVELOPING.md
Matt Johnston <matt@ucc.asn.au>
parents: 1667
diff changeset
31 DEVELOPING.md has some notes on other developer topics, including debugging.
295377ecbf49 Add DEVELOPING.md
Matt Johnston <matt@ucc.asn.au>
parents: 1667
diff changeset
32
72
9597c2e3b9d4 Some doc changes
Matt Johnston <matt@ucc.asn.au>
parents: 69
diff changeset
33 See MULTI for instructions on making all-in-one binaries.
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
34
1447
8f88f4290b22 document --enable-static in place of STATIC=1
Matt Johnston <matt@ucc.asn.au>
parents: 443
diff changeset
35 If you want to compile statically use ./configure --enable-static
8f88f4290b22 document --enable-static in place of STATIC=1
Matt Johnston <matt@ucc.asn.au>
parents: 443
diff changeset
36
8f88f4290b22 document --enable-static in place of STATIC=1
Matt Johnston <matt@ucc.asn.au>
parents: 443
diff changeset
37 By default Dropbear adds various build flags that improve robustness
1493
72fd994fe7bd Update build instructions for localoptions, and tidy
Matt Johnston <matt@ucc.asn.au>
parents: 1447
diff changeset
38 against programming bugs (good for security). If these cause problems
1447
8f88f4290b22 document --enable-static in place of STATIC=1
Matt Johnston <matt@ucc.asn.au>
parents: 443
diff changeset
39 they can be disabled with ./configure --disable-harden
72
9597c2e3b9d4 Some doc changes
Matt Johnston <matt@ucc.asn.au>
parents: 69
diff changeset
40
443
2d943453cecf Fix spelling typo
Matt Johnston <matt@ucc.asn.au>
parents: 245
diff changeset
41 Binaries can be stripped with "make strip"
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
42
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
43 ============================================================================
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
44
245
b24730e11c83 add note about compiling for 386
Matt Johnston <matt@ucc.asn.au>
parents: 72
diff changeset
45 If you're compiling for a 386-class CPU, you will probably need to add
b24730e11c83 add note about compiling for 386
Matt Johnston <matt@ucc.asn.au>
parents: 72
diff changeset
46 CFLAGS=-DLTC_NO_BSWAP so that libtomcrypt doesn't use 486+ instructions.
b24730e11c83 add note about compiling for 386
Matt Johnston <matt@ucc.asn.au>
parents: 72
diff changeset
47
b24730e11c83 add note about compiling for 386
Matt Johnston <matt@ucc.asn.au>
parents: 72
diff changeset
48 ============================================================================
b24730e11c83 add note about compiling for 386
Matt Johnston <matt@ucc.asn.au>
parents: 72
diff changeset
49
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
50 Compiling with uClibc:
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
51
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
52 Firstly, make sure you have at least uclibc 0.9.17, as getusershell() in prior
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
53 versions is broken. Also note that you may get strange issues if your uClibc
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
54 headers don't match the library you are running with, ie the headers might
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
55 say that shadow password support exists, but the libraries don't have it.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
56
72
9597c2e3b9d4 Some doc changes
Matt Johnston <matt@ucc.asn.au>
parents: 69
diff changeset
57 Compiling for uClibc should be the same as normal, just set CC to the magic
9597c2e3b9d4 Some doc changes
Matt Johnston <matt@ucc.asn.au>
parents: 69
diff changeset
58 uClibc toolchain compiler (ie export CC=i386-uclibc-gcc or whatever).
9597c2e3b9d4 Some doc changes
Matt Johnston <matt@ucc.asn.au>
parents: 69
diff changeset
59 You can use "make STATIC=1" to make statically linked binaries, and it is
9597c2e3b9d4 Some doc changes
Matt Johnston <matt@ucc.asn.au>
parents: 69
diff changeset
60 advisable to strip the binaries too. If you're looking to make a small binary,
1667
986126448688 Update remaining advise to edit options.h
Alexander Dahl <ada@thorsis.com>
parents: 1565
diff changeset
61 you should remove unneeded ciphers and MD5, by editing localoptions.h
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
62
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
63 It is possible to compile zlib in, by copying zlib.h and zconf.h into a
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
64 subdirectory (ie zlibincludes), and
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
65
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
66 export CFLAGS="-Izlibincludes -I../zlibincludes"
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
67 export LDFLAGS=/usr/lib/libz.a
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
68
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
69 before ./configure and make.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
70
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
71 If you disable zlib, you must explicitly disable compression for the client -
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
72 OpenSSH is possibly buggy in this regard, it seems you need to disable it
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
73 globally in ~/.ssh/config, not just in the host entry in that file.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
74
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
75 You may want to manually disable lastlog recording when using uClibc, configure
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
76 with --disable-lastlog.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
77
69
59d16db56e9f Simple text changes
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
78 One common problem is pty allocation. There are a number of types of pty
59d16db56e9f Simple text changes
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
79 allocation which can be used -- if they work properly, the end result is the
59d16db56e9f Simple text changes
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
80 same for each type. Running configure should detect the best type to use
59d16db56e9f Simple text changes
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
81 automatically, however for some systems, this may be incorrect. Some
59d16db56e9f Simple text changes
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
82 things to note:
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
83
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
84 If your system expects /dev/pts to be mounted (this is a uClibc option),
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
85 make sure that it is.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
86
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
87 Make sure that your libc headers match the library version you are using.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
88
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
89 If openpty() is being used (HAVE_OPENPTY defined in config.h) and it fails,
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
90 you can try compiling with --disable-openpty. You will probably then need
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
91 to create all the /dev/pty?? and /dev/tty?? devices, which can be
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
92 problematic for devfs. In general, openpty() is the best way to allocate
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
93 PTYs, so it's best to try and get it working.