Mercurial > dropbear
annotate filelist.txt @ 1930:299f4f19ba19
Add /usr/sbin and /sbin to default root PATH
When dropbear is used in a very restricted environment (such as in a
initrd), the default user shell is often also very restricted
and doesn't take care of setting the PATH so the user ends up
with the PATH set by dropbear. Unfortunately, dropbear always
sets "/usr/bin:/bin" as default PATH even for the root user
which should have /usr/sbin and /sbin too.
For a concrete instance of this problem, see the "Remote Unlocking"
section in this tutorial: https://paxswill.com/blog/2013/11/04/encrypted-raspberry-pi/
It speaks of a bug in the initramfs script because it's written "blkid"
instead of "/sbin/blkid"... this is just because the scripts from the
initramfs do not expect to have a PATH without the sbin directories and
because dropbear is not setting the PATH appropriately for the root user.
I'm thus suggesting to use the attached patch to fix this misbehaviour (I
did not test it, but it's easy enough). It might seem anecdotic but
multiple Kali users have been bitten by this.
From https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=903403
author | Raphael Hertzog <hertzog@debian.org> |
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date | Mon, 09 Jul 2018 16:27:53 +0200 |
parents | d32bcb5c557d |
children |
rev | line source |
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77 | 1 This file is out of date - it remains here in case it is still of use. |
2 The basic naming convention is svr- and cli- for seperate parts, | |
3 then common- for common parts. Some files have no prefix. | |
4 | |
4
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5 A brief rundown on which files do what, and their corresponding sections |
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6 in the IETF drafts. The .c files usually have corresponding .h files. |
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7 |
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8 Transport layer draft-ietf-secsh-transport-16.txt |
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9 =============== |
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10 |
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11 session.c Contains the main select() loop, and handles setting |
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12 up/closing down ssh connections |
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13 |
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14 algo.c Framework for handling various ciphers/hashes/algos, |
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15 and choosing between the lists of client/server |
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16 preferred ones |
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17 |
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18 kex.c Key exchange routines, used at startup to negotiate |
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19 which algorithms to use, and also to obtain session |
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20 keys. This also runs when rekeying during the |
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21 connection. |
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22 |
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23 packet.c Handles the basic packet encryption/decryption, |
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24 and switching to the appropriate packet handlers. |
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25 Called from session.c's main select loop. |
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26 |
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27 service.c Handles service requests (userauth or connection) |
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28 |
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29 |
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30 Authentication draft-ietf-secsh-userauth-17.txt |
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31 ============== |
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32 |
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33 auth.c General auth handling, including user checking etc, |
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34 passes different auth types to auth{passwd,pubkey} |
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35 |
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36 authpasswd.c Handles /etc/passwd or /etc/shadow auth |
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37 |
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38 authpubkey.c Handles ~/.ssh/authorized_keys auth |
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39 |
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40 |
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41 Connection draft-ietf-secsh-connect-17.txt |
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42 ========== |
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43 |
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44 channel.c Channel handling routines - each shell/tcp conn/agent |
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45 etc is a channel. |
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46 |
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47 chansession.c Handles shell/exec requests |
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48 |
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49 sshpty.c From OpenSSH, allocates PTYs etc |
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50 |
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51 termcodes.c Mapping of POSIX terminal codes to SSH terminal codes |
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52 |
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53 loginrec.c From OpenSSH, handles utmp/wtmp logging |
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54 |
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55 x11fwd.c Handles X11 forwarding |
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56 |
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57 agentfwd.c Handles auth-agent forwarding requests |
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58 |
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59 localtcpfwd.c Handles -L style tcp forwarding requests, setting |
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60 up the listening port and also handling connections |
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61 to that port (and subsequent channels) |
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62 |
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63 |
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64 Program-related |
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65 =============== |
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66 |
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67 dbmulti.c Combination binary chooser main() function |
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68 |
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69 dbutil.c Various utility functions, incl logging, memory etc |
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70 |
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71 dropbearconvert.c Conversion from dropbear<->openssh keys, uses |
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72 keyimport.c to do most of the work |
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73 |
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74 dropbearkey.c Generates keys, calling gen{dss,rsa} |
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75 |
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76 keyimport.c Modified from PuTTY, converts between key types |
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77 |
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78 main.c dropbear's main(), handles listening, forking for |
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79 new connections, child-process limits |
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80 |
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81 runopts.c Parses commandline options |
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82 |
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83 options.h Compile-time feature selection |
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84 |
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85 config.h Features selected from configure |
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86 |
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87 debug.h Compile-time selection of debug features |
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88 |
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89 includes.h Included system headers etc |
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90 |
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91 |
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92 Generic Routines |
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93 ================ |
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94 |
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95 signkey.c A generic handler for pubkeys, switches to dss or rsa |
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96 depending on the key type |
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97 |
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98 rsa.c RSA asymmetric crypto routines |
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99 |
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100 dss.c DSS asymmetric crypto routines |
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101 |
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Add Ed25519 support (#91)
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102 ed25519.c Ed25519 asymmetric crypto routines |
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103 |
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104 gened25519.c Ed25519 key generation |
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105 |
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106 gendss.c DSS key generation |
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107 |
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108 genrsa.c RSA key generation |
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109 |
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110 bignum.c Some bignum helper functions |
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111 |
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112 queue.c A queue, used to enqueue encrypted packets to send |
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113 |
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114 random.c PRNG, based on /dev/urandom or prngd |
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115 |
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116 atomicio.c From OpenSSH, does `blocking' IO on non-blocking fds |
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117 |
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118 buffer.c Buffer-usage routines, with size checking etc |
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119 |
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120 |
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121 vim:set ts=8: |