How do you sudo with xonsh?
Multi tool use
Clash Royale CLAN TAG#URR8PPP
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I get the error xonsh: subprocess mode: permission denied: sudo.
shell sudo xonsh
edited Sep 19 at 14:03
Anthony Geoghegan
7,32633852
asked Aug 12 '15 at 18:19
Emre
18518
add a comment |Â
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I get the error xonsh: subprocess mode: permission denied: sudo.
shell sudo xonsh
edited Sep 19 at 14:03
Anthony Geoghegan
7,32633852
asked Aug 12 '15 at 18:19
Emre
18518
Can you runsudosuccessfully when you're not usingxonsh?
– larsks
Aug 12 '15 at 18:47
Yes. I also checked that the ownership and rights of my other shells and xonsh match. The only difference is that xonsh is in /usr/local/bin.
– Emre
Aug 12 '15 at 18:52
add a comment |Â
up vote
1
down vote
favorite
up vote
1
down vote
favorite
I get the error xonsh: subprocess mode: permission denied: sudo.
shell sudo xonsh
edited Sep 19 at 14:03
Anthony Geoghegan
7,32633852
asked Aug 12 '15 at 18:19
Emre
18518
I get the error xonsh: subprocess mode: permission denied: sudo.
shell sudo xonsh
shell sudo xonsh
edited Sep 19 at 14:03
Anthony Geoghegan
7,32633852
asked Aug 12 '15 at 18:19
Emre
18518
edited Sep 19 at 14:03
Anthony Geoghegan
7,32633852
asked Aug 12 '15 at 18:19
Emre
18518
edited Sep 19 at 14:03
Anthony Geoghegan
7,32633852
edited Sep 19 at 14:03
Anthony Geoghegan
7,32633852
edited Sep 19 at 14:03
Anthony Geoghegan
7,32633852
7,32633852
asked Aug 12 '15 at 18:19
Emre
18518
asked Aug 12 '15 at 18:19
Emre
18518
asked Aug 12 '15 at 18:19
Emre
18518
18518
Can you runsudosuccessfully when you're not usingxonsh?
– larsks
Aug 12 '15 at 18:47
Yes. I also checked that the ownership and rights of my other shells and xonsh match. The only difference is that xonsh is in /usr/local/bin.
– Emre
Aug 12 '15 at 18:52
add a comment |Â
Can you runsudosuccessfully when you're not usingxonsh?
– larsks
Aug 12 '15 at 18:47
Yes. I also checked that the ownership and rights of my other shells and xonsh match. The only difference is that xonsh is in /usr/local/bin.
– Emre
Aug 12 '15 at 18:52
Can you run
sudo successfully when you're not using xonsh?– larsks
Aug 12 '15 at 18:47
Can you run
sudo successfully when you're not using xonsh?– larsks
Aug 12 '15 at 18:47
Yes. I also checked that the ownership and rights of my other shells and xonsh match. The only difference is that xonsh is in /usr/local/bin.
– Emre
Aug 12 '15 at 18:52
Yes. I also checked that the ownership and rights of my other shells and xonsh match. The only difference is that xonsh is in /usr/local/bin.
– Emre
Aug 12 '15 at 18:52
add a comment |Â
1 Answer
1
active
oldest
votes
up vote
5
down vote
accepted
It's a bug in xonsh. In the build_ins.py module, xonsh attempts to determine if a file is "binary" or not by opening it and reading a few bytes:
def _is_binary(fname, limit=80):
with open(fname, 'rb') as f:
for i in range(limit):
char = f.read(1)
if char == b'':
return True
if char == b'n':
return False
if char == b'':
return False
return False
Security sensitive programs like sudo are often executable but not readable, so this blows up.
answered Aug 12 '15 at 19:03
larsks
10k32738
Here is a possible patch for this behavior.
– larsks
Aug 12 '15 at 19:11
Thanks. I don't understand how nobody realizedsudodoesn't work.
– Emre
Aug 12 '15 at 20:48
My guess is that not many people are usingxonsh. It's not something I had ever heard of until I saw your question.
– larsks
Aug 12 '15 at 20:49
1
To be clear, sudo does work even with this bug on many systems (which is why it was missed). Some distributions choose to make sudo unreadable-but-executable. This is not categorically true for all Linux distros. There is a PR into xonsh that fixes this.
– Anthony Scopatz
Aug 18 '15 at 1:11
1
The bug has now been fixed in master. Sorry about the problem in the first place.
– Anthony Scopatz
Aug 18 '15 at 14:21
add a comment |Â
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
5
down vote
accepted
It's a bug in xonsh. In the build_ins.py module, xonsh attempts to determine if a file is "binary" or not by opening it and reading a few bytes:
def _is_binary(fname, limit=80):
with open(fname, 'rb') as f:
for i in range(limit):
char = f.read(1)
if char == b'':
return True
if char == b'n':
return False
if char == b'':
return False
return False
Security sensitive programs like sudo are often executable but not readable, so this blows up.
answered Aug 12 '15 at 19:03
larsks
10k32738
Here is a possible patch for this behavior.
– larsks
Aug 12 '15 at 19:11
Thanks. I don't understand how nobody realizedsudodoesn't work.
– Emre
Aug 12 '15 at 20:48
My guess is that not many people are usingxonsh. It's not something I had ever heard of until I saw your question.
– larsks
Aug 12 '15 at 20:49
1
To be clear, sudo does work even with this bug on many systems (which is why it was missed). Some distributions choose to make sudo unreadable-but-executable. This is not categorically true for all Linux distros. There is a PR into xonsh that fixes this.
– Anthony Scopatz
Aug 18 '15 at 1:11
1
The bug has now been fixed in master. Sorry about the problem in the first place.
– Anthony Scopatz
Aug 18 '15 at 14:21
add a comment |Â
up vote
5
down vote
accepted
It's a bug in xonsh. In the build_ins.py module, xonsh attempts to determine if a file is "binary" or not by opening it and reading a few bytes:
def _is_binary(fname, limit=80):
with open(fname, 'rb') as f:
for i in range(limit):
char = f.read(1)
if char == b'':
return True
if char == b'n':
return False
if char == b'':
return False
return False
Security sensitive programs like sudo are often executable but not readable, so this blows up.
answered Aug 12 '15 at 19:03
larsks
10k32738
Here is a possible patch for this behavior.
– larsks
Aug 12 '15 at 19:11
Thanks. I don't understand how nobody realizedsudodoesn't work.
– Emre
Aug 12 '15 at 20:48
My guess is that not many people are usingxonsh. It's not something I had ever heard of until I saw your question.
– larsks
Aug 12 '15 at 20:49
1
To be clear, sudo does work even with this bug on many systems (which is why it was missed). Some distributions choose to make sudo unreadable-but-executable. This is not categorically true for all Linux distros. There is a PR into xonsh that fixes this.
– Anthony Scopatz
Aug 18 '15 at 1:11
1
The bug has now been fixed in master. Sorry about the problem in the first place.
– Anthony Scopatz
Aug 18 '15 at 14:21
add a comment |Â
up vote
5
down vote
accepted
up vote
5
down vote
accepted
It's a bug in xonsh. In the build_ins.py module, xonsh attempts to determine if a file is "binary" or not by opening it and reading a few bytes:
def _is_binary(fname, limit=80):
with open(fname, 'rb') as f:
for i in range(limit):
char = f.read(1)
if char == b'':
return True
if char == b'n':
return False
if char == b'':
return False
return False
Security sensitive programs like sudo are often executable but not readable, so this blows up.
answered Aug 12 '15 at 19:03
larsks
10k32738
It's a bug in xonsh. In the build_ins.py module, xonsh attempts to determine if a file is "binary" or not by opening it and reading a few bytes:
def _is_binary(fname, limit=80):
with open(fname, 'rb') as f:
for i in range(limit):
char = f.read(1)
if char == b'':
return True
if char == b'n':
return False
if char == b'':
return False
return False
Security sensitive programs like sudo are often executable but not readable, so this blows up.
answered Aug 12 '15 at 19:03
larsks
10k32738
answered Aug 12 '15 at 19:03
larsks
10k32738
answered Aug 12 '15 at 19:03
larsks
10k32738
answered Aug 12 '15 at 19:03
larsks
10k32738
10k32738
Here is a possible patch for this behavior.
– larsks
Aug 12 '15 at 19:11
Thanks. I don't understand how nobody realizedsudodoesn't work.
– Emre
Aug 12 '15 at 20:48
My guess is that not many people are usingxonsh. It's not something I had ever heard of until I saw your question.
– larsks
Aug 12 '15 at 20:49
1
To be clear, sudo does work even with this bug on many systems (which is why it was missed). Some distributions choose to make sudo unreadable-but-executable. This is not categorically true for all Linux distros. There is a PR into xonsh that fixes this.
– Anthony Scopatz
Aug 18 '15 at 1:11
1
The bug has now been fixed in master. Sorry about the problem in the first place.
– Anthony Scopatz
Aug 18 '15 at 14:21
add a comment |Â
Here is a possible patch for this behavior.
– larsks
Aug 12 '15 at 19:11
Thanks. I don't understand how nobody realizedsudodoesn't work.
– Emre
Aug 12 '15 at 20:48
My guess is that not many people are usingxonsh. It's not something I had ever heard of until I saw your question.
– larsks
Aug 12 '15 at 20:49
1
To be clear, sudo does work even with this bug on many systems (which is why it was missed). Some distributions choose to make sudo unreadable-but-executable. This is not categorically true for all Linux distros. There is a PR into xonsh that fixes this.
– Anthony Scopatz
Aug 18 '15 at 1:11
1
The bug has now been fixed in master. Sorry about the problem in the first place.
– Anthony Scopatz
Aug 18 '15 at 14:21
Here is a possible patch for this behavior.
– larsks
Aug 12 '15 at 19:11
Here is a possible patch for this behavior.
– larsks
Aug 12 '15 at 19:11
Thanks. I don't understand how nobody realized
sudo doesn't work.– Emre
Aug 12 '15 at 20:48
Thanks. I don't understand how nobody realized
sudo doesn't work.– Emre
Aug 12 '15 at 20:48
My guess is that not many people are using
xonsh. It's not something I had ever heard of until I saw your question.– larsks
Aug 12 '15 at 20:49
My guess is that not many people are using
xonsh. It's not something I had ever heard of until I saw your question.– larsks
Aug 12 '15 at 20:49
1
1
To be clear, sudo does work even with this bug on many systems (which is why it was missed). Some distributions choose to make sudo unreadable-but-executable. This is not categorically true for all Linux distros. There is a PR into xonsh that fixes this.
– Anthony Scopatz
Aug 18 '15 at 1:11
To be clear, sudo does work even with this bug on many systems (which is why it was missed). Some distributions choose to make sudo unreadable-but-executable. This is not categorically true for all Linux distros. There is a PR into xonsh that fixes this.
– Anthony Scopatz
Aug 18 '15 at 1:11
1
1
The bug has now been fixed in master. Sorry about the problem in the first place.
– Anthony Scopatz
Aug 18 '15 at 14:21
The bug has now been fixed in master. Sorry about the problem in the first place.
– Anthony Scopatz
Aug 18 '15 at 14:21
add a comment |Â
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Can you run
sudosuccessfully when you're not usingxonsh?– larsks
Aug 12 '15 at 18:47
Yes. I also checked that the ownership and rights of my other shells and xonsh match. The only difference is that xonsh is in /usr/local/bin.
– Emre
Aug 12 '15 at 18:52