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Merge #10885: Reject invalid wallets

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d84e78e [wallet] Specify wallet name in wallet loading errors (John Newbery)
a6da027 Reject invalid wallet files (João Barbosa)
3ef77a0 Reject duplicate wallet filenames (João Barbosa)

Pull request description:

  This PR prevents loading the same wallet more than once in a multi wallet scenario. It also prevents loading with invalid files: non regular files or symlinks.

Tree-SHA512: 45bf814096bb788db1c76ff334e679a10686cee7d9c8cd48fe5d924031353ace271f6fb0d4af49a34246d336945515c176920a552be7b9fbe07ab8e00e5f6e5e
This commit is contained in:
Wladimir J. van der Laan 2017-07-28 12:42:28 +02:00
commit 70888a39c4
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GPG key ID: 1E4AED62986CD25D
2 changed files with 35 additions and 3 deletions
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21
src/wallet/wallet.cpp
View file

@ -468,11 +468,26 @@ bool CWallet::Verify()
uiInterface.InitMessage(_("Verifying wallet(s)...")); uiInterface.InitMessage(_("Verifying wallet(s)..."));
// Keep track of each wallet absolute path to detect duplicates.
std::set<fs::path> wallet_paths;
for (const std::string& walletFile : gArgs.GetArgs("-wallet")) { for (const std::string& walletFile : gArgs.GetArgs("-wallet")) {
if (boost::filesystem::path(walletFile).filename() != walletFile) { if (boost::filesystem::path(walletFile).filename() != walletFile) {
return InitError(_("-wallet parameter must only specify a filename (not a path)")); return InitError(strprintf(_("Error loading wallet %s. -wallet parameter must only specify a filename (not a path)."), walletFile));
} else if (SanitizeString(walletFile, SAFE_CHARS_FILENAME) != walletFile) { }
return InitError(_("Invalid characters in -wallet filename"));
if (SanitizeString(walletFile, SAFE_CHARS_FILENAME) != walletFile) {
return InitError(strprintf(_("Error loading wallet %s. Invalid characters in -wallet filename."), walletFile));
}
fs::path wallet_path = fs::absolute(walletFile, GetDataDir());
if (fs::exists(wallet_path) && (!fs::is_regular_file(wallet_path) || fs::is_symlink(wallet_path))) {
return InitError(strprintf(_("Error loading wallet %s. -wallet filename must be a regular file."), walletFile));
}
if (!wallet_paths.insert(wallet_path).second) {
return InitError(strprintf(_("Error loading wallet %s. Duplicate -wallet filename specified."), walletFile));
} }
std::string strError; std::string strError;

17
test/functional/multiwallet.py
View file

@ -6,6 +6,8 @@
Verify that a bitcoind node can load multiple wallet files Verify that a bitcoind node can load multiple wallet files
""" """
import os
from test_framework.test_framework import BitcoinTestFramework from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal, assert_raises_jsonrpc from test_framework.util import assert_equal, assert_raises_jsonrpc
@ -18,6 +20,21 @@ class MultiWalletTest(BitcoinTestFramework):
self.extra_args = [['-wallet=w1', '-wallet=w2', '-wallet=w3']] self.extra_args = [['-wallet=w1', '-wallet=w2', '-wallet=w3']]
def run_test(self): def run_test(self):
self.stop_node(0)
# should not initialize if there are duplicate wallets
self.assert_start_raises_init_error(0, self.options.tmpdir, ['-wallet=w1', '-wallet=w1'], 'Error loading wallet w1. Duplicate -wallet filename specified.')
# should not initialize if wallet file is a directory
os.mkdir(os.path.join(self.options.tmpdir, 'node0', 'regtest', 'w11'))
self.assert_start_raises_init_error(0, self.options.tmpdir, ['-wallet=w11'], 'Error loading wallet w11. -wallet filename must be a regular file.')
# should not initialize if wallet file is a symlink
os.symlink(os.path.join(self.options.tmpdir, 'node0', 'regtest', 'w1'), os.path.join(self.options.tmpdir, 'node0', 'regtest', 'w12'))
self.assert_start_raises_init_error(0, self.options.tmpdir, ['-wallet=w12'], 'Error loading wallet w12. -wallet filename must be a regular file.')
self.nodes[0] = self.start_node(0, self.options.tmpdir, self.extra_args[0])
w1 = self.nodes[0] / "wallet/w1" w1 = self.nodes[0] / "wallet/w1"
w1.generate(1) w1.generate(1)