Tim Daneliuk writes:
> The problem I am trying to solve is to determine whether the user
> needs to provide a sudo password or not.
Again, the ‘sudo’ program itself will figure this out and ask for a
password if it needs one.
Examining the command line isn't enough. Even if you find a ‘sudo’
co
On 2014-11-26 08:58, Tim Daneliuk wrote:
> On 11/26/2014 06:56 AM, Tim Chase wrote:
> > On 2014-11-26 00:04, Tim Daneliuk wrote:
> >> someprog.py uname && sudo cat /etc/sudoers
> >>
> >> vs.
> >>
> >> someprog.py uname && echo "sudo cat /etc/suoders"
> >>
> >>
> >> In the first instance, I need the
On 11/26/2014 10:45 AM, alister wrote:
On Wed, 26 Nov 2014 10:02:57 -0600, Tim Daneliuk wrote:
On 11/26/2014 10:00 AM, random...@fastmail.us wrote:
On Wed, Nov 26, 2014, at 10:55, Tim Daneliuk wrote:
Nope. Password only exist in memory locally.
How does it send it to the remote sudo?
Ov
On 11/26/2014 10:16 AM, random...@fastmail.us wrote:
On Wed, Nov 26, 2014, at 11:02, Tim Daneliuk wrote:
On 11/26/2014 10:00 AM, random...@fastmail.us wrote:
On Wed, Nov 26, 2014, at 10:55, Tim Daneliuk wrote:
Nope. Password only exist in memory locally.
How does it send it to the remote su
On Wed, 26 Nov 2014 10:02:57 -0600, Tim Daneliuk wrote:
> On 11/26/2014 10:00 AM, random...@fastmail.us wrote:
>> On Wed, Nov 26, 2014, at 10:55, Tim Daneliuk wrote:
>>> Nope. Password only exist in memory locally.
>>
>> How does it send it to the remote sudo?
>>
>>
> Over paramiko transport (ssh
On Wed, Nov 26, 2014, at 11:02, Tim Daneliuk wrote:
> On 11/26/2014 10:00 AM, random...@fastmail.us wrote:
> > On Wed, Nov 26, 2014, at 10:55, Tim Daneliuk wrote:
> >> Nope. Password only exist in memory locally.
> >
> > How does it send it to the remote sudo?
> >
>
> Over paramiko transport (ssh
On Thu, Nov 27, 2014 at 3:02 AM, Tim Daneliuk wrote:
> On 11/26/2014 10:00 AM, random...@fastmail.us wrote:
>>
>> On Wed, Nov 26, 2014, at 10:55, Tim Daneliuk wrote:
>>>
>>> Nope. Password only exist in memory locally.
>>
>>
>> How does it send it to the remote sudo?
>>
>
> Over paramiko transpor
On 11/26/2014 10:00 AM, random...@fastmail.us wrote:
On Wed, Nov 26, 2014, at 10:55, Tim Daneliuk wrote:
Nope. Password only exist in memory locally.
How does it send it to the remote sudo?
Over paramiko transport (ssh) and then only if it sees a custom
string coming back from sudo asking
On Wed, Nov 26, 2014, at 10:55, Tim Daneliuk wrote:
> Nope. Password only exist in memory locally.
How does it send it to the remote sudo?
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On 11/26/2014 09:48 AM, Chris Angelico wrote:
On Thu, Nov 27, 2014 at 2:36 AM, Tim Daneliuk wrote:
The more I think about this, the more I think I am just going to look for
the
string 'sudo' anywhere in the argument. This merely will force the user to
enter their sudo password if detected. If
On Wed, Nov 26, 2014, at 10:36, Tim Daneliuk wrote:
> The more I think about this, the more I think I am just going to look for
> the
> string 'sudo' anywhere in the argument. This merely will force the user
> to
> enter their sudo password if detected. If it turns out to be a false
> positive,
>
On Thu, Nov 27, 2014 at 2:36 AM, Tim Daneliuk wrote:
> The more I think about this, the more I think I am just going to look for
> the
> string 'sudo' anywhere in the argument. This merely will force the user to
> enter their sudo password if detected. If it turns out to be a false
> positive,
>
On 11/26/2014 09:09 AM, Chris Angelico wrote:
On Thu, Nov 27, 2014 at 2:07 AM, Chris Angelico wrote:
I was searching the ol' memory banks, trying to figure out if there
was some way to tell the internal 'echo' command to use slash instead
of dash (maybe for DOS/Windows people??), in which case
On Wed, Nov 26, 2014, at 10:02, Tim Daneliuk wrote:
>someprog.py "uname && sudo cat /etc/sudoers"
>
> vs.
>
>someprog.py 'uname && echo "sudo cat /etc/suoders"'
I think it would be better to provide a general way for the user to
provide an input script as an option, rather than to spec
On Thu, Nov 27, 2014 at 2:07 AM, Chris Angelico wrote:
> I was searching the ol' memory banks, trying to figure out if there
> was some way to tell the internal 'echo' command to use slash instead
> of dash (maybe for DOS/Windows people??), in which case that would be
> parsed as "echo -- hello" a
On Thu, Nov 27, 2014 at 1:26 AM, Tim Chase
wrote:
> On 2014-11-26 15:45, Jussi Piitulainen wrote:
>> Tim Chase writes:
>> > bash$ echo // hello
>> > hello
>>
>> Where did the // go?
>
> The bad-copy-and-paste gremlins ate them :-o
>
> Good catch. :)
>
I was searching the ol' memory banks, try
On Thu, Nov 27, 2014 at 1:58 AM, Tim Daneliuk wrote:
> The specific program in question I am modifying is
> one that takes a shell command and executes it remotely on many machines.
> The problem I am trying to solve is to determine whether the user needs to
> provide a sudo password or not. Righ
On 2014-11-26 15:45, Jussi Piitulainen wrote:
> Tim Chase writes:
> > bash$ echo // hello
> > hello
>
> Where did the // go?
The bad-copy-and-paste gremlins ate them :-o
Good catch. :)
-tkc
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On 11/26/2014 08:12 AM, random...@fastmail.us wrote:
On Wed, Nov 26, 2014, at 01:04, Tim Daneliuk wrote:
In this case, I am not trying to write a fullblown language or recover
from syntax errors. Here's a usecase - I want to know whether I need
to use a sudo password when the user passes a com
On 11/26/2014 01:10 AM, Chris Angelico wrote:
Why not set up sudo to not require a password
Because I do not control the machines to which this program is talking and
the security policy in question requires passwords.
---
On 11/26/2014 06:56 AM, Tim Chase wrote:
On 2014-11-26 00:04, Tim Daneliuk wrote:
someprog.py uname && sudo cat /etc/sudoers
vs.
someprog.py uname && echo "sudo cat /etc/suoders"
In the first instance, I need the sudo passoword, in the second I
don't.
This doesn't jibe with the pairs of qu
On Thu, Nov 27, 2014 at 12:45 AM, Jussi Piitulainen
wrote:
> Tim Chase writes:
>
>> This doesn't jibe with the pairs of quotes you sent and your request
>> for nesting. In most popular shells, the majority of your "quote"
>> characters don't actually quote anything:
>>
>> bash$ echo // hello
>>
On Wed, Nov 26, 2014, at 01:04, Tim Daneliuk wrote:
> In this case, I am not trying to write a fullblown language or recover
> from syntax errors. Here's a usecase - I want to know whether I need
> to use a sudo password when the user passes a command on the command line
> of a program:
>
> some
Tim Chase writes:
> This doesn't jibe with the pairs of quotes you sent and your request
> for nesting. In most popular shells, the majority of your "quote"
> characters don't actually quote anything:
>
> bash$ echo // hello
> hello
Where did the // go?
[...]
> and has problems with things
On 2014-11-26 00:04, Tim Daneliuk wrote:
> someprog.py uname && sudo cat /etc/sudoers
>
> vs.
>
> someprog.py uname && echo "sudo cat /etc/suoders"
>
>
> In the first instance, I need the sudo passoword, in the second I
> don't.
This doesn't jibe with the pairs of quotes you sent and your requ
On Wed, Nov 26, 2014 at 5:04 PM, Tim Daneliuk wrote:
> Here's a usecase - I want to know whether I need
> to use a sudo password when the user passes a command on the command line
> of a program:
>
> someprog.py uname && sudo cat /etc/sudoers
>
> vs.
>
> someprog.py uname && echo "sudo cat /etc/su
Tim Daneliuk writes:
> Here's a usecase - I want to know whether I need to use a sudo
> password when the user passes a command on the command line of a
> program:
[…]
> In the first instance, I need the sudo passoword, in the second I don't.
I don't understand what “need a sudo password” mean
On 11/25/2014 07:54 PM, Ben Finney wrote:
Tim Daneliuk writes:
Here's the problem: Determine is the string S appears *outside* or
*inside* any such quotation.
This is a problem for parsing text. There is no general, simple
solution.
If someone tries to convince you they have one, be highly
On 11/25/2014 07:44 PM, Tim Chase wrote:
On 2014-11-25 19:20, Tim Daneliuk wrote:
hen you find any opener, you seek its
corresponding closer, and then special-case /* to count any
additional /* and look for a */ for each one */ .
That's more or less where I was headed. I just wanted something
On 11/25/2014 07:32 PM, Chris Angelico wrote:
On Wed, Nov 26, 2014 at 12:18 PM, Tim Daneliuk wrote:
And what should happen with mismatched quotes?
do("th/*is", "and", "th*/at")
Match pairs as usual, and let the remaining unterminated quote run on.
Wait, what? Where's an unterminated q
Tim Daneliuk writes:
> Here's the problem: Determine is the string S appears *outside* or
> *inside* any such quotation.
This is a problem for parsing text. There is no general, simple
solution.
If someone tries to convince you they have one, be highly suspicious: it
will either be not general,
On 2014-11-25 19:20, Tim Daneliuk wrote:
> > hen you find any opener, you seek its
> corresponding closer, and then special-case /* to count any
> additional /* and look for a */ for each one */ .
>
> That's more or less where I was headed. I just wanted something
> less brute force :)
This se
On Wed, Nov 26, 2014 at 12:18 PM, Tim Daneliuk wrote:
>> And what should happen with mismatched quotes?
>>
>>do("th/*is", "and", "th*/at")
>
>
> Match pairs as usual, and let the remaining unterminated quote run on.
Wait, what? Where's an unterminated quote? I can imagine two ways of
reading
On 11/25/2014 06:40 PM, Tim Chase wrote:
On 2014-11-25 18:18, Tim Daneliuk wrote:
A problem for your consideration:
We are given a tuple of delimiter string pairs to quote or comment
text, possibly over multiple lines. Something like this:
delims = (('"', '"'), ("'", "'"), ('#', '\n'),
On 11/25/2014 06:44 PM, Chris Angelico wrote:
You may have issues with your definition of nesting, though. For
instance, what's it mean if you have double-quotes, then a hash?
It means that the hash is quoted as part of the literal string.
then the only nesting you need worry about is /* and
On Wed, Nov 26, 2014 at 11:18 AM, Tim Daneliuk wrote:
> A problem for your consideration:
>
> We are given a tuple of delimiter string pairs to quote or comment text,
> possibly over multiple lines. Something like this:
>
> delims = (('"', '"'), ("'", "'"), ('#', '\n'), ("\*", "*\), ('\\', '
On 2014-11-25 18:18, Tim Daneliuk wrote:
> A problem for your consideration:
>
> We are given a tuple of delimiter string pairs to quote or comment
> text, possibly over multiple lines. Something like this:
>
> delims = (('"', '"'), ("'", "'"), ('#', '\n'), ("\*", "*\),
> ('\\', '\n') ...)
A problem for your consideration:
We are given a tuple of delimiter string pairs to quote or comment text,
possibly over multiple lines. Something like this:
delims = (('"', '"'), ("'", "'"), ('#', '\n'), ("\*", "*\), ('\\', '\n')
...)
These may be nested.
Here's the problem: Determine
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