sudoreplay Man page

SUDOREPLAY(8) BSD System Manager’s Manual SUDOREPLAY(8)

NAME

sudoreplay — replay sudo session logs

SYNOPSIS

sudoreplay [-h] [-d dir] [-f filter] [-m num] [-s num] ID

sudoreplay [-h] [-d dir] -l [search expression]

DESCRIPTION

sudoreplay plays back or lists the output logs created by sudo. When
replaying, sudoreplay can play the session back in real-time, or the
playback speed may be adjusted (faster or slower) based on the command
line options.

The ID should either be a six character sequence of digits and upper case
letters, e.g. 0100A5, or a pattern matching the iolog_file option in the
sudoers file. When a command is run via sudo with log_output enabled in
the sudoers file, a TSID=ID string is logged via syslog or to the sudo
log file. The ID may also be determined using sudoreplay’s list mode.

In list mode, sudoreplay can be used to find the ID of a session based on
a number of criteria such as the user, tty or command run.

In replay mode, if the standard output has not been redirected,
sudoreplay will act on the following keys:

‘\n’ or ‘\r’ Skip to the next replay event; useful for long pauses.

‘ ’ (space) Pause output; press any key to resume.

‘<’ Reduce the playback speed by one half. ‘>’ Double the playback speed.

The options are as follows:

-d dir, –directory=dir
Store session logs in dir instead of the default,
/var/log/sudo-io.

-f filter, –filter=filter
Select which I/O type(s) to display. By default, sudoreplay
will display the command’s standard output, standard error
and tty output. The filter argument is a comma-separated
list, consisting of one or more of following: stdout, stderr,
and ttyout.

-h, –help Display a short help message to the standard output and exit.

-l, –list [search expression] Enable “list mode”. In this mode, sudoreplay will list
available sessions in a format similar to the sudo log file
format, sorted by file name (or sequence number). If a
search expression is specified, it will be used to restrict
the IDs that are displayed. An expression is composed of the
following predicates:

command pattern
Evaluates to true if the command run matches the
POSIX extended regular expression pattern.

cwd directory
Evaluates to true if the command was run with the
specified current working directory.

fromdate date
Evaluates to true if the command was run on or after
date. See Date and time format for a description of
supported date and time formats.

group runas_group
Evaluates to true if the command was run with the
specified runas_group. Note that unless a
runas_group was explicitly specified when sudo was
run this field will be empty in the log.

runas runas_user
Evaluates to true if the command was run as the spec‐
ified runas_user. Note that sudo runs commands as
user root by default.

todate date
Evaluates to true if the command was run on or prior
to date. See Date and time format for a description
of supported date and time formats.

tty tty name
Evaluates to true if the command was run on the spec‐
ified terminal device. The tty name should be speci‐
fied without the /dev/ prefix, e.g. tty01 instead of
/dev/tty01.

user user name
Evaluates to true if the ID matches a command run by
user name.

Predicates may be abbreviated to the shortest unique string
(currently all predicates may be shortened to a single char‐
acter).

Predicates may be combined using and, or and ! operators as
well as ‘(’ and ‘)’ grouping (note that parentheses must gen‐
erally be escaped from the shell). The and operator is
optional, adjacent predicates have an implied and unless sep‐
arated by an or.

-m, –max-wait max_wait
Specify an upper bound on how long to wait between key
presses or output data. By default, sudoreplay will accu‐
rately reproduce the delays between key presses or program
output. However, this can be tedious when the session
includes long pauses. When the -m option is specified,
sudoreplay will limit these pauses to at most max_wait sec‐
onds. The value may be specified as a floating point number,
e.g. 2.5.

-s, –speed speed_factor
This option causes sudoreplay to adjust the number of seconds
it will wait between key presses or program output. This can
be used to slow down or speed up the display. For example, a
speed_factor of 2 would make the output twice as fast whereas
a speed_factor of .5 would make the output twice as slow.

-V, –version
Print the sudoreplay versions version number and exit.

Date and time format
The time and date may be specified multiple ways, common formats include:

HH:MM:SS am MM/DD/CCYY timezone
24 hour time may be used in place of am/pm.

HH:MM:SS am Month, Day Year timezone
24 hour time may be used in place of am/pm, and month and day
names may be abbreviated. Note that month and day of the week
names must be specified in English.

CCYY-MM-DD HH:MM:SS
ISO time format

DD Month CCYY HH:MM:SS
The month name may be abbreviated.

Either time or date may be omitted, the am/pm and timezone are optional.
If no date is specified, the current day is assumed; if no time is speci‐
fied, the first second of the specified date is used. The less signifi‐
cant parts of both time and date may also be omitted, in which case zero
is assumed.

The following are all valid time and date specifications:

now The current time and date.

tomorrow
Exactly one day from now.

yesterday
24 hours ago.

2 hours ago
2 hours ago.

next Friday
The first second of the Friday in the next (upcoming) week. Not
to be confused with “this friday” which would match the friday of
the current week.

last week
The current time but 7 days ago. This is equivalent to “a week
ago”.

a fortnight ago
The current time but 14 days ago.

10:01 am 9/17/2009
10:01 am, September 17, 2009.

10:01 am
10:01 am on the current day.

10 10:00 am on the current day.

9/17/2009
00:00 am, September 17, 2009.

10:01 am Sep 17, 2009
10:01 am, September 17, 2009.

Note that relative time specifications do not always work as expected.
For example, the “next” qualifier is intended to be used in conjunction
with a day such as “next Monday”. When used with units of weeks, months,
years, etc the result will be one more than expected. For example, “next
week” will result in a time exactly two weeks from now, which is probably
not what was intended. This will be addressed in a future version of
sudoreplay.

Debugging sudoreplay
sudoreplay versions 1.8.4 and higher support a flexible debugging frame‐
work that is configured via Debug lines in the sudo.conf(5) file.

For more information on configuring sudo.conf(5), please refer to its
manual.

FILES
/etc/sudo.conf Debugging framework configuration

/var/log/sudo-io The default I/O log directory.

/var/log/sudo-io/00/00/01/log
Example session log info.

/var/log/sudo-io/00/00/01/stdin
Example session standard input log.

/var/log/sudo-io/00/00/01/stdout
Example session standard output log.

/var/log/sudo-io/00/00/01/stderr
Example session standard error log.

/var/log/sudo-io/00/00/01/ttyin
Example session tty input file.

/var/log/sudo-io/00/00/01/ttyout
Example session tty output file.

/var/log/sudo-io/00/00/01/timing
Example session timing file.

Note that the stdin, stdout and stderr files will be empty unless sudo
was used as part of a pipeline for a particular command.

EXAMPLES
List sessions run by user millert:

# sudoreplay -l user millert

List sessions run by user bob with a command containing the string vi:

# sudoreplay -l user bob command vi

List sessions run by user jeff that match a regular expression:

# sudoreplay -l user jeff command ‘/bin/[a-z]*sh’

List sessions run by jeff or bob on the console:

# sudoreplay -l ( user jeff or user bob ) tty console

SEE ALSO

script, sudo.conf(5), sudo(8)

AUTHORS
Many people have worked on sudo over the years; this version consists of
code written primarily by:

Todd C. Miller

See the CONTRIBUTORS file in the sudo distribution
(https://www.sudo.ws/contributors.html) for an exhaustive list of people
who have contributed to sudo.

BUGS

If you feel you have found a bug in sudoreplay, please submit a bug
report at https://bugzilla.sudo.ws/

SUPPORT
Limited free support is available via the sudo-users mailing list, see
https://www.sudo.ws/mailman/listinfo/sudo-users to subscribe or search
the archives.

DISCLAIMER
sudoreplay is provided “AS IS” and any express or implied warranties,
including, but not limited to, the implied warranties of merchantability
and fitness for a particular purpose are disclaimed. See the LICENSE
file distributed with sudo or https://www.sudo.ws/license.html for com‐
plete details.

Sudo 1.8.16 November 20, 2015 Sudo 1.8.16

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