dropbear: INSTALL annotate

annotate INSTALL @ 1532:3616ec41d03d

Only load dropbear default host keys if a key is not specified

author	CamVan Nguyen <ctnguyen@us.ibm.com>
date	Thu, 22 Feb 2018 21:55:15 +0800
parents	d35cf9a5e0b5
children	2fd52c383163

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
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	6
1493 72fd994fe7bd Update build instructions for localoptions, and tidy Matt Johnston <matt@ucc.asn.au> parents: 1447 diff changeset	7 - If using a Mercurial or Git checkout, "autoconf; autoheader"
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
1493 72fd994fe7bd Update build instructions for localoptions, and tidy Matt Johnston <matt@ucc.asn.au> parents: 1447 diff changeset	13 - Compile:
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	14
1493 72fd994fe7bd Update build instructions for localoptions, and tidy Matt Johnston <matt@ucc.asn.au> parents: 1447 diff changeset	15 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	16
72fd994fe7bd Update build instructions for localoptions, and tidy Matt Johnston <matt@ucc.asn.au> parents: 1447 diff changeset	17 - 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	18
1493 72fd994fe7bd Update build instructions for localoptions, and tidy Matt Johnston <matt@ucc.asn.au> parents: 1447 diff changeset	19 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	20
1493 72fd994fe7bd Update build instructions for localoptions, and tidy Matt Johnston <matt@ucc.asn.au> parents: 1447 diff changeset	21 or
72fd994fe7bd Update build instructions for localoptions, and tidy Matt Johnston <matt@ucc.asn.au> parents: 1447 diff changeset	22
72fd994fe7bd Update build instructions for localoptions, and tidy Matt Johnston <matt@ucc.asn.au> parents: 1447 diff changeset	23 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	24
72 9597c2e3b9d4 Some doc changes Matt Johnston <matt@ucc.asn.au> parents: 69 diff changeset	25 (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	26 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	27 recompiling - bad things will happen otherwise)
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	28
72 9597c2e3b9d4 Some doc changes Matt Johnston <matt@ucc.asn.au> parents: 69 diff changeset	29 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	30
1447 8f88f4290b22 document --enable-static in place of STATIC=1 Matt Johnston <matt@ucc.asn.au> parents: 443 diff changeset	31 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	32
8f88f4290b22 document --enable-static in place of STATIC=1 Matt Johnston <matt@ucc.asn.au> parents: 443 diff changeset	33 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	34 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	35 they can be disabled with ./configure --disable-harden
72 9597c2e3b9d4 Some doc changes Matt Johnston <matt@ucc.asn.au> parents: 69 diff changeset	36
443 2d943453cecf Fix spelling typo Matt Johnston <matt@ucc.asn.au> parents: 245 diff changeset	37 Binaries can be stripped with "make strip"
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	38
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	39 ============================================================================
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	40
245 b24730e11c83 add note about compiling for 386 Matt Johnston <matt@ucc.asn.au> parents: 72 diff changeset	41 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	42 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	43
b24730e11c83 add note about compiling for 386 Matt Johnston <matt@ucc.asn.au> parents: 72 diff changeset	44 ============================================================================
b24730e11c83 add note about compiling for 386 Matt Johnston <matt@ucc.asn.au> parents: 72 diff changeset	45
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	46 Compiling with uClibc:
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	47
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	48 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	49 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	50 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	51 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	52
72 9597c2e3b9d4 Some doc changes Matt Johnston <matt@ucc.asn.au> parents: 69 diff changeset	53 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	54 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	55 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	56 advisable to strip the binaries too. If you're looking to make a small binary,
9597c2e3b9d4 Some doc changes Matt Johnston <matt@ucc.asn.au> parents: 69 diff changeset	57 you should remove unneeded ciphers and MD5, by editing options.h
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	58
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	59 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	60 subdirectory (ie zlibincludes), and
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	61
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	62 export CFLAGS="-Izlibincludes -I../zlibincludes"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	63 export LDFLAGS=/usr/lib/libz.a
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	64
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	65 before ./configure and make.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	66
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	67 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	68 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	69 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	70
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	71 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	72 with --disable-lastlog.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	73
69 59d16db56e9f Simple text changes Matt Johnston <matt@ucc.asn.au> parents: 4 diff changeset	74 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	75 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	76 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	77 automatically, however for some systems, this may be incorrect. Some
59d16db56e9f Simple text changes Matt Johnston <matt@ucc.asn.au> parents: 4 diff changeset	78 things to note:
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	79
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	80 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	81 make sure that it is.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	82
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	83 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	84
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	85 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	86 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	87 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	88 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	89 PTYs, so it's best to try and get it working.

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annotate INSTALL @ 1532:3616ec41d03d