Mercurial > dropbear
annotate INSTALL @ 1466:f787f60f8e45
bind to port as well with -b
author | Matt Johnston <matt@ucc.asn.au> |
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date | Fri, 26 Jan 2018 00:27:48 +0800 |
parents | 8f88f4290b22 |
children | 72fd994fe7bd |
rev | line source |
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1 Basic Dropbear build instructions: |
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72 | 3 - Edit options.h to set which features you want. |
4 - Edit debug.h if you want any debug options (not usually required). | |
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72 | 6 (If using a non-tarball copy, "autoconf; autoheader") |
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7 |
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8 ./configure (optionally with --disable-zlib or --disable-syslog, |
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9 or --help for other options) |
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72 | 11 Now compile: |
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72 | 13 make PROGRAMS="dropbear dbclient dropbearkey dropbearconvert scp" |
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72 | 15 And install (/usr/local/bin is usual default): |
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72 | 17 make PROGRAMS="dropbear dbclient dropbearkey dropbearconvert scp" install |
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72 | 19 (you can leave items out of the PROGRAMS list to avoid compiling them. If you |
20 recompile after changing the PROGRAMS list, you *MUST* "make clean" before | |
21 recompiling - bad things will happen otherwise) | |
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72 | 23 See MULTI for instructions on making all-in-one binaries. |
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24 |
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25 If you want to compile statically use ./configure --enable-static |
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26 |
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27 By default Dropbear adds various build flags that improve robustness |
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28 against programming bugs (good for security) - if these cause problems |
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29 they can be disabled with ./configure --disable-harden |
72 | 30 |
443 | 31 Binaries can be stripped with "make strip" |
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32 |
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33 ============================================================================ |
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34 |
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35 If you're compiling for a 386-class CPU, you will probably need to add |
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36 CFLAGS=-DLTC_NO_BSWAP so that libtomcrypt doesn't use 486+ instructions. |
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37 |
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38 ============================================================================ |
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39 |
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40 Compiling with uClibc: |
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41 |
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42 Firstly, make sure you have at least uclibc 0.9.17, as getusershell() in prior |
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43 versions is broken. Also note that you may get strange issues if your uClibc |
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44 headers don't match the library you are running with, ie the headers might |
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45 say that shadow password support exists, but the libraries don't have it. |
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46 |
72 | 47 Compiling for uClibc should be the same as normal, just set CC to the magic |
48 uClibc toolchain compiler (ie export CC=i386-uclibc-gcc or whatever). | |
49 You can use "make STATIC=1" to make statically linked binaries, and it is | |
50 advisable to strip the binaries too. If you're looking to make a small binary, | |
51 you should remove unneeded ciphers and MD5, by editing options.h | |
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52 |
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53 It is possible to compile zlib in, by copying zlib.h and zconf.h into a |
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54 subdirectory (ie zlibincludes), and |
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55 |
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56 export CFLAGS="-Izlibincludes -I../zlibincludes" |
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57 export LDFLAGS=/usr/lib/libz.a |
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58 |
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59 before ./configure and make. |
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60 |
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61 If you disable zlib, you must explicitly disable compression for the client - |
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62 OpenSSH is possibly buggy in this regard, it seems you need to disable it |
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63 globally in ~/.ssh/config, not just in the host entry in that file. |
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64 |
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65 You may want to manually disable lastlog recording when using uClibc, configure |
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66 with --disable-lastlog. |
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67 |
69 | 68 One common problem is pty allocation. There are a number of types of pty |
69 allocation which can be used -- if they work properly, the end result is the | |
70 same for each type. Running configure should detect the best type to use | |
71 automatically, however for some systems, this may be incorrect. Some | |
72 things to note: | |
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73 |
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74 If your system expects /dev/pts to be mounted (this is a uClibc option), |
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75 make sure that it is. |
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76 |
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77 Make sure that your libc headers match the library version you are using. |
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78 |
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79 If openpty() is being used (HAVE_OPENPTY defined in config.h) and it fails, |
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80 you can try compiling with --disable-openpty. You will probably then need |
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81 to create all the /dev/pty?? and /dev/tty?? devices, which can be |
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82 problematic for devfs. In general, openpty() is the best way to allocate |
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83 PTYs, so it's best to try and get it working. |