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mirror of https://github.com/node-red/node-red.git synced 2023-10-10 13:36:53 +02:00

Merge pull request #319 from hindessm/restrict-library-entry-names

Prohibit library entry names from containing '../'.
This commit is contained in:
Nick O'Leary 2014-07-31 17:24:57 +01:00
commit b8f40d4e39
4 changed files with 85 additions and 8 deletions

View File

@ -34,6 +34,10 @@ function init() {
res.send(204); res.send(204);
}).otherwise(function(err) { }).otherwise(function(err) {
util.log("[red] Error loading flow '"+req.params[0]+"' : "+err); util.log("[red] Error loading flow '"+req.params[0]+"' : "+err);
if (err.message.indexOf('forbidden') === 0) {
res.send(403);
return;
}
res.send(500); res.send(500);
}); });
}); });
@ -52,6 +56,10 @@ function init() {
}).otherwise(function(err) { }).otherwise(function(err) {
if (err) { if (err) {
util.log("[red] Error loading flow '"+req.params[0]+"' : "+err); util.log("[red] Error loading flow '"+req.params[0]+"' : "+err);
if (err.message.indexOf('forbidden') === 0) {
res.send(403);
return;
}
} }
res.send(404); res.send(404);
}); });
@ -75,6 +83,10 @@ function createLibrary(type) {
}).otherwise(function(err) { }).otherwise(function(err) {
if (err) { if (err) {
util.log("[red] Error loading library entry '"+path+"' : "+err); util.log("[red] Error loading library entry '"+path+"' : "+err);
if (err.message.indexOf('forbidden') === 0) {
res.send(403);
return;
}
} }
res.send(404); res.send(404);
}); });
@ -91,6 +103,10 @@ function createLibrary(type) {
res.send(204); res.send(204);
}).otherwise(function(err) { }).otherwise(function(err) {
util.log("[red] Error saving library entry '"+path+"' : "+err); util.log("[red] Error saving library entry '"+path+"' : "+err);
if (err.message.indexOf('forbidden') === 0) {
res.send(403);
return;
}
res.send(500); res.send(500);
}); });
}); });

View File

@ -33,6 +33,10 @@ function moduleSelector(aSettings) {
return toReturn; return toReturn;
} }
function is_malicious(path) {
return path.indexOf('../') != -1 || path.indexOf('..\\') != -1;
}
var storageModuleInterface = { var storageModuleInterface = {
init : function(settings) { init : function(settings) {
try { try {
@ -58,15 +62,27 @@ var storageModuleInterface = {
return storageModule.getAllFlows(); return storageModule.getAllFlows();
}, },
getFlow : function(fn) { getFlow : function(fn) {
if (is_malicious(fn)) {
return when.reject(new Error('forbidden flow name'));
}
return storageModule.getFlow(fn); return storageModule.getFlow(fn);
}, },
saveFlow : function(fn, data) { saveFlow : function(fn, data) {
if (is_malicious(fn)) {
return when.reject(new Error('forbidden flow name'));
}
return storageModule.saveFlow(fn, data); return storageModule.saveFlow(fn, data);
}, },
getLibraryEntry : function(type, path) { getLibraryEntry : function(type, path) {
if (is_malicious(path)) {
return when.reject(new Error('forbidden flow name'));
}
return storageModule.getLibraryEntry(type, path); return storageModule.getLibraryEntry(type, path);
}, },
saveLibraryEntry : function(type, path, meta, body) { saveLibraryEntry : function(type, path, meta, body) {
if (is_malicious(path)) {
return when.reject(new Error('forbidden flow name'));
}
return storageModule.saveLibraryEntry(type, path, meta, body); return storageModule.saveLibraryEntry(type, path, meta, body);
} }
} }

View File

@ -120,6 +120,27 @@ describe("library", function() {
}); });
}); });
}); });
it('returns 403 for malicious access attempt', function(done) {
// without the userDir override the malicious url would be
// http://127.0.0.1:1880/library/flows/../../package to
// obtain package.json from the node-red root.
request(RED.httpAdmin)
.get('/library/flows/../../../../../package')
.expect(403)
.end(done);
});
it('returns 403 for malicious access attempt', function(done) {
// without the userDir override the malicious url would be
// http://127.0.0.1:1880/library/flows/../../package to
// obtain package.json from the node-red root.
request(RED.httpAdmin)
.post('/library/flows/../../../../../package')
.expect(403)
.end(done);
});
}); });
describe("type", function() { describe("type", function() {
@ -188,5 +209,29 @@ describe("library", function() {
}); });
}); });
it('returns 403 for malicious access attempt', function(done) {
request(RED.httpAdmin)
.get('/library/test/../../../../../../../../../../etc/passwd')
.expect(403)
.end(done);
});
it('returns 403 for malicious access attempt', function(done) {
request(RED.httpAdmin)
.get('/library/test/..\\..\\..\\..\\..\\..\\..\\..\\..\\..\\etc\\passwd')
.expect(403)
.end(done);
});
it('returns 403 for malicious access attempt', function(done) {
request(RED.httpAdmin)
.post('/library/test/../../../../../../../../../../etc/passwd')
.set('Content-Type', 'text/plain')
.send('root:x:0:0:root:/root:/usr/bin/tclsh')
.expect(403)
.end(done);
});
}); });
}); });

View File

@ -83,19 +83,19 @@ describe("red/storage/index", function() {
calledFlagGetAllFlows = true; calledFlagGetAllFlows = true;
}, },
getFlow : function(fn) { getFlow : function(fn) {
fn.should.be.true; fn.should.equal("name");
}, },
saveFlow : function(fn, data) { saveFlow : function(fn, data) {
fn.should.be.true; fn.should.equal("name");
data.should.be.true; data.should.be.true;
}, },
getLibraryEntry : function(type, path) { getLibraryEntry : function(type, path) {
type.should.be.true; type.should.be.true;
path.should.be.true; path.should.equal("name");
}, },
saveLibraryEntry : function(type, path, meta, body) { saveLibraryEntry : function(type, path, meta, body) {
type.should.be.true; type.should.be.true;
path.should.be.true; path.should.equal("name");
meta.should.be.true; meta.should.be.true;
body.should.be.true; body.should.be.true;
} }
@ -112,10 +112,10 @@ describe("red/storage/index", function() {
storage.getCredentials(); storage.getCredentials();
storage.saveCredentials(true); storage.saveCredentials(true);
storage.getAllFlows(); storage.getAllFlows();
storage.getFlow(true); storage.getFlow("name");
storage.saveFlow(true, true); storage.saveFlow("name", true);
storage.getLibraryEntry(true, true); storage.getLibraryEntry(true, "name");
storage.saveLibraryEntry(true, true, true, true); storage.saveLibraryEntry(true, "name", true, true);
calledInit.should.be.true; calledInit.should.be.true;
calledFlagGetFlows.should.be.true; calledFlagGetFlows.should.be.true;