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dispatch: protect against malicious 'hg serve --stdio' invocations (sec)...
dispatch: protect against malicious 'hg serve --stdio' invocations (sec) Some shared-ssh installations assume that 'hg serve --stdio' is a safe command to run for minimally trusted users. Unfortunately, the messy implementation of argument parsing here meant that trying to access a repo named '--debugger' would give the user a pdb prompt, thereby sidestepping any hoped-for sandboxing. Serving repositories over HTTP(S) is unaffected. We're not currently hardening any subcommands other than 'serve'. If your service exposes other commands to users with arbitrary repository names, it is imperative that you defend against repository names of '--debugger' and anything starting with '--config'. The read-only mode of hg-ssh stopped working because it provided its hook configuration to "hg serve --stdio" via --config parameter. This is banned for security reasons now. This patch switches it to directly call ui.setconfig(). If your custom hosting infrastructure relies on passing --config to "hg serve --stdio", you'll need to find a different way to get that configuration into Mercurial, either by using ui.setconfig() as hg-ssh does in this patch, or by placing an hgrc file someplace where Mercurial will read it. mitrandir@fb.com provided some extra fixes for the dispatch code and for hg-ssh in places that I overlooked.
Yuya Nishihara - - Load All Authors

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r29858:33461139 default
r32050:77eaf953 4.1.3 stable
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test-grep.t
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$ hg init t
$ cd t
$ echo import > port
$ hg add port
$ hg commit -m 0 -u spam -d '0 0'
$ echo export >> port
$ hg commit -m 1 -u eggs -d '1 0'
$ echo export > port
$ echo vaportight >> port
$ echo 'import/export' >> port
$ hg commit -m 2 -u spam -d '2 0'
$ echo 'import/export' >> port
$ hg commit -m 3 -u eggs -d '3 0'
$ head -n 3 port > port1
$ mv port1 port
$ hg commit -m 4 -u spam -d '4 0'
pattern error
$ hg grep '**test**'
grep: invalid match pattern: nothing to repeat
[1]
simple
$ hg grep '.*'
port:4:export
port:4:vaportight
port:4:import/export
$ hg grep port port
port:4:export
port:4:vaportight
port:4:import/export
simple with color
$ hg --config extensions.color= grep --config color.mode=ansi \
> --color=always port port
\x1b[0;35mport\x1b[0m\x1b[0;36m:\x1b[0m\x1b[0;32m4\x1b[0m\x1b[0;36m:\x1b[0mex\x1b[0;31;1mport\x1b[0m (esc)
\x1b[0;35mport\x1b[0m\x1b[0;36m:\x1b[0m\x1b[0;32m4\x1b[0m\x1b[0;36m:\x1b[0mva\x1b[0;31;1mport\x1b[0might (esc)
\x1b[0;35mport\x1b[0m\x1b[0;36m:\x1b[0m\x1b[0;32m4\x1b[0m\x1b[0;36m:\x1b[0mim\x1b[0;31;1mport\x1b[0m/ex\x1b[0;31;1mport\x1b[0m (esc)
simple templated
$ hg grep port \
> -T '{file}:{rev}:{node|short}:{texts % "{if(matched, text|upper, text)}"}\n'
port:4:914fa752cdea:exPORT
port:4:914fa752cdea:vaPORTight
port:4:914fa752cdea:imPORT/exPORT
simple JSON (no "change" field)
$ hg grep -Tjson port
[
{
"date": [4.0, 0],
"file": "port",
"line_number": 1,
"node": "914fa752cdea87777ac1a8d5c858b0c736218f6c",
"rev": 4,
"texts": [{"matched": false, "text": "ex"}, {"matched": true, "text": "port"}],
"user": "spam"
},
{
"date": [4.0, 0],
"file": "port",
"line_number": 2,
"node": "914fa752cdea87777ac1a8d5c858b0c736218f6c",
"rev": 4,
"texts": [{"matched": false, "text": "va"}, {"matched": true, "text": "port"}, {"matched": false, "text": "ight"}],
"user": "spam"
},
{
"date": [4.0, 0],
"file": "port",
"line_number": 3,
"node": "914fa752cdea87777ac1a8d5c858b0c736218f6c",
"rev": 4,
"texts": [{"matched": false, "text": "im"}, {"matched": true, "text": "port"}, {"matched": false, "text": "/ex"}, {"matched": true, "text": "port"}],
"user": "spam"
}
]
simple JSON without matching lines
$ hg grep -Tjson -l port
[
{
"date": [4.0, 0],
"file": "port",
"line_number": 1,
"node": "914fa752cdea87777ac1a8d5c858b0c736218f6c",
"rev": 4,
"user": "spam"
}
]
all
$ hg grep --traceback --all -nu port port
port:4:4:-:spam:import/export
port:3:4:+:eggs:import/export
port:2:1:-:spam:import
port:2:2:-:spam:export
port:2:1:+:spam:export
port:2:2:+:spam:vaportight
port:2:3:+:spam:import/export
port:1:2:+:eggs:export
port:0:1:+:spam:import
all JSON
$ hg grep --all -Tjson port port
[
{
"change": "-",
"date": [4.0, 0],
"file": "port",
"line_number": 4,
"node": "914fa752cdea87777ac1a8d5c858b0c736218f6c",
"rev": 4,
"texts": [{"matched": false, "text": "im"}, {"matched": true, "text": "port"}, {"matched": false, "text": "/ex"}, {"matched": true, "text": "port"}],
"user": "spam"
},
{
"change": "+",
"date": [3.0, 0],
"file": "port",
"line_number": 4,
"node": "95040cfd017d658c536071c6290230a613c4c2a6",
"rev": 3,
"texts": [{"matched": false, "text": "im"}, {"matched": true, "text": "port"}, {"matched": false, "text": "/ex"}, {"matched": true, "text": "port"}],
"user": "eggs"
},
{
"change": "-",
"date": [2.0, 0],
"file": "port",
"line_number": 1,
"node": "3b325e3481a1f07435d81dfdbfa434d9a0245b47",
"rev": 2,
"texts": [{"matched": false, "text": "im"}, {"matched": true, "text": "port"}],
"user": "spam"
},
{
"change": "-",
"date": [2.0, 0],
"file": "port",
"line_number": 2,
"node": "3b325e3481a1f07435d81dfdbfa434d9a0245b47",
"rev": 2,
"texts": [{"matched": false, "text": "ex"}, {"matched": true, "text": "port"}],
"user": "spam"
},
{
"change": "+",
"date": [2.0, 0],
"file": "port",
"line_number": 1,
"node": "3b325e3481a1f07435d81dfdbfa434d9a0245b47",
"rev": 2,
"texts": [{"matched": false, "text": "ex"}, {"matched": true, "text": "port"}],
"user": "spam"
},
{
"change": "+",
"date": [2.0, 0],
"file": "port",
"line_number": 2,
"node": "3b325e3481a1f07435d81dfdbfa434d9a0245b47",
"rev": 2,
"texts": [{"matched": false, "text": "va"}, {"matched": true, "text": "port"}, {"matched": false, "text": "ight"}],
"user": "spam"
},
{
"change": "+",
"date": [2.0, 0],
"file": "port",
"line_number": 3,
"node": "3b325e3481a1f07435d81dfdbfa434d9a0245b47",
"rev": 2,
"texts": [{"matched": false, "text": "im"}, {"matched": true, "text": "port"}, {"matched": false, "text": "/ex"}, {"matched": true, "text": "port"}],
"user": "spam"
},
{
"change": "+",
"date": [1.0, 0],
"file": "port",
"line_number": 2,
"node": "8b20f75c158513ff5ac80bd0e5219bfb6f0eb587",
"rev": 1,
"texts": [{"matched": false, "text": "ex"}, {"matched": true, "text": "port"}],
"user": "eggs"
},
{
"change": "+",
"date": [0.0, 0],
"file": "port",
"line_number": 1,
"node": "f31323c9217050ba245ee8b537c713ec2e8ab226",
"rev": 0,
"texts": [{"matched": false, "text": "im"}, {"matched": true, "text": "port"}],
"user": "spam"
}
]
other
$ hg grep -l port port
port:4
$ hg grep import port
port:4:import/export
$ hg cp port port2
$ hg commit -m 4 -u spam -d '5 0'
follow
$ hg grep --traceback -f 'import\n\Z' port2
port:0:import
$ echo deport >> port2
$ hg commit -m 5 -u eggs -d '6 0'
$ hg grep -f --all -nu port port2
port2:6:4:+:eggs:deport
port:4:4:-:spam:import/export
port:3:4:+:eggs:import/export
port:2:1:-:spam:import
port:2:2:-:spam:export
port:2:1:+:spam:export
port:2:2:+:spam:vaportight
port:2:3:+:spam:import/export
port:1:2:+:eggs:export
port:0:1:+:spam:import
$ hg up -q null
$ hg grep -f port
[1]
$ cd ..
$ hg init t2
$ cd t2
$ hg grep foobar foo
[1]
$ hg grep foobar
[1]
$ echo blue >> color
$ echo black >> color
$ hg add color
$ hg ci -m 0
$ echo orange >> color
$ hg ci -m 1
$ echo black > color
$ hg ci -m 2
$ echo orange >> color
$ echo blue >> color
$ hg ci -m 3
$ hg grep orange
color:3:orange
$ hg grep --all orange
color:3:+:orange
color:2:-:orange
color:1:+:orange
test substring match: '^' should only match at the beginning
$ hg grep '^.' --config extensions.color= --color debug
[grep.filename|color][grep.sep|:][grep.rev|3][grep.sep|:][grep.match|b]lack
[grep.filename|color][grep.sep|:][grep.rev|3][grep.sep|:][grep.match|o]range
[grep.filename|color][grep.sep|:][grep.rev|3][grep.sep|:][grep.match|b]lue
match in last "line" without newline
$ $PYTHON -c 'fp = open("noeol", "wb"); fp.write("no infinite loop"); fp.close();'
$ hg ci -Amnoeol
adding noeol
$ hg grep loop
noeol:4:no infinite loop
$ cd ..
Issue685: traceback in grep -r after rename
Got a traceback when using grep on a single
revision with renamed files.
$ hg init issue685
$ cd issue685
$ echo octarine > color
$ hg ci -Amcolor
adding color
$ hg rename color colour
$ hg ci -Am rename
$ hg grep octarine
colour:1:octarine
color:0:octarine
Used to crash here
$ hg grep -r 1 octarine
colour:1:octarine
$ cd ..
Issue337: test that grep follows parent-child relationships instead
of just using revision numbers.
$ hg init issue337
$ cd issue337
$ echo white > color
$ hg commit -A -m "0 white"
adding color
$ echo red > color
$ hg commit -A -m "1 red"
$ hg update 0
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo black > color
$ hg commit -A -m "2 black"
created new head
$ hg update --clean 1
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo blue > color
$ hg commit -A -m "3 blue"
$ hg grep --all red
color:3:-:red
color:1:+:red
$ cd ..
$ hg init a
$ cd a
$ cp "$TESTDIR/binfile.bin" .
$ hg add binfile.bin
$ hg ci -m 'add binfile.bin'
$ hg grep "MaCam" --all
binfile.bin:0:+: Binary file matches
$ cd ..