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-rw-r--r--src/alert.cpp33
-rw-r--r--src/alert.h2
-rw-r--r--src/bitcoinrpc.cpp4
-rw-r--r--src/init.cpp1
-rw-r--r--src/test/alert_tests.cpp185
-rw-r--r--src/test/data/alertTestsbin0 -> 1283 bytes
6 files changed, 221 insertions, 4 deletions
diff --git a/src/alert.cpp b/src/alert.cpp
index 48920629e2..4b029840dd 100644
--- a/src/alert.cpp
+++ b/src/alert.cpp
@@ -2,6 +2,9 @@
// Alert system
//
+#include <algorithm>
+#include <boost/algorithm/string/classification.hpp>
+#include <boost/algorithm/string/replace.hpp>
#include <boost/foreach.hpp>
#include <map>
@@ -165,7 +168,7 @@ CAlert CAlert::getAlertByHash(const uint256 &hash)
return retval;
}
-bool CAlert::ProcessAlert()
+bool CAlert::ProcessAlert(bool fThread)
{
if (!CheckSignature())
return false;
@@ -229,9 +232,35 @@ bool CAlert::ProcessAlert()
// Add to mapAlerts
mapAlerts.insert(make_pair(GetHash(), *this));
- // Notify UI if it applies to me
+ // Notify UI and -alertnotify if it applies to me
if(AppliesToMe())
+ {
uiInterface.NotifyAlertChanged(GetHash(), CT_NEW);
+ std::string strCmd = GetArg("-alertnotify", "");
+ if (!strCmd.empty())
+ {
+ // Alert text should be plain ascii coming from a trusted source, but to
+ // be safe we first strip anything not in safeChars, then add single quotes around
+ // the whole string before passing it to the shell:
+ std::string singleQuote("'");
+ // safeChars chosen to allow simple messages/URLs/email addresses, but avoid anything
+ // even possibly remotely dangerous like & or >
+ std::string safeChars("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890 .,;_/:?@");
+ std::string safeStatus;
+ for (std::string::size_type i = 0; i < strStatusBar.size(); i++)
+ {
+ if (safeChars.find(strStatusBar[i]) != std::string::npos)
+ safeStatus.push_back(strStatusBar[i]);
+ }
+ safeStatus = singleQuote+safeStatus+singleQuote;
+ boost::replace_all(strCmd, "%s", safeStatus);
+
+ if (fThread)
+ boost::thread t(runCommand, strCmd); // thread runs free
+ else
+ runCommand(strCmd);
+ }
+ }
}
printf("accepted alert %d, AppliesToMe()=%d\n", nID, AppliesToMe());
diff --git a/src/alert.h b/src/alert.h
index 7949c76972..25e140f573 100644
--- a/src/alert.h
+++ b/src/alert.h
@@ -91,7 +91,7 @@ public:
bool AppliesToMe() const;
bool RelayTo(CNode* pnode) const;
bool CheckSignature() const;
- bool ProcessAlert();
+ bool ProcessAlert(bool fThread = true);
/*
* Get copy of (active) alert object by hash. Returns a null alert if it is not found.
diff --git a/src/bitcoinrpc.cpp b/src/bitcoinrpc.cpp
index 4a6cc42efc..b6d8de4a18 100644
--- a/src/bitcoinrpc.cpp
+++ b/src/bitcoinrpc.cpp
@@ -769,7 +769,9 @@ void ThreadRPCServer2(void* parg)
"rpcpassword=%s\n"
"(you do not need to remember this password)\n"
"The username and password MUST NOT be the same.\n"
- "If the file does not exist, create it with owner-readable-only file permissions.\n"),
+ "If the file does not exist, create it with owner-readable-only file permissions.\n"
+ "It is also recommended to set alertnotify so you are notified of problems;\n"
+ "for example: alertnotify=echo %%s | mail -s \"Bitcoin Alert\" admin@foo.com\n"),
strWhatAmI.c_str(),
GetConfigFile().string().c_str(),
EncodeBase58(&rand_pwd[0],&rand_pwd[0]+32).c_str()),
diff --git a/src/init.cpp b/src/init.cpp
index 63610b17fb..7c72982dd2 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -301,6 +301,7 @@ std::string HelpMessage()
" -rpcconnect=<ip> " + _("Send commands to node running on <ip> (default: 127.0.0.1)") + "\n" +
" -blocknotify=<cmd> " + _("Execute command when the best block changes (%s in cmd is replaced by block hash)") + "\n" +
" -walletnotify=<cmd> " + _("Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)") + "\n" +
+ " -alertnotify=<cmd> " + _("Execute command when a relevant alert is received (%s in cmd is replaced by message)") + "\n" +
" -upgradewallet " + _("Upgrade wallet to latest format") + "\n" +
" -keypool=<n> " + _("Set key pool size to <n> (default: 100)") + "\n" +
" -rescan " + _("Rescan the block chain for missing wallet transactions") + "\n" +
diff --git a/src/test/alert_tests.cpp b/src/test/alert_tests.cpp
new file mode 100644
index 0000000000..f7a11376d3
--- /dev/null
+++ b/src/test/alert_tests.cpp
@@ -0,0 +1,185 @@
+//
+// Unit tests for alert system
+//
+
+#include <boost/foreach.hpp>
+#include <boost/test/unit_test.hpp>
+#include <fstream>
+
+#include "alert.h"
+#include "serialize.h"
+#include "util.h"
+
+#if 0
+//
+// alertTests contains 7 alerts, generated with this code:
+// (SignAndSave code not shown, alert signing key is secret)
+//
+{
+ CAlert alert;
+ alert.nRelayUntil = 60;
+ alert.nExpiration = 24 * 60 * 60;
+ alert.nID = 1;
+ alert.nCancel = 0; // cancels previous messages up to this ID number
+ alert.nMinVer = 0; // These versions are protocol versions
+ alert.nMaxVer = 70001;
+ alert.nPriority = 1;
+ alert.strComment = "Alert comment";
+ alert.strStatusBar = "Alert 1";
+
+ SignAndSave(alert, "test/alertTests");
+
+ alert.setSubVer.insert(std::string("/Satoshi:0.1.0/"));
+ alert.strStatusBar = "Alert 1 for Satoshi 0.1.0";
+ SignAndSave(alert, "test/alertTests");
+
+ alert.setSubVer.insert(std::string("/Satoshi:0.2.0/"));
+ alert.strStatusBar = "Alert 1 for Satoshi 0.1.0, 0.2.0";
+ SignAndSave(alert, "test/alertTests");
+
+ alert.setSubVer.clear();
+ ++alert.nID;
+ alert.nCancel = 1;
+ alert.nPriority = 100;
+ alert.strStatusBar = "Alert 2, cancels 1";
+ SignAndSave(alert, "test/alertTests");
+
+ alert.nExpiration += 60;
+ ++alert.nID;
+ SignAndSave(alert, "test/alertTests");
+
+ ++alert.nID;
+ alert.nMinVer = 11;
+ alert.nMaxVer = 22;
+ SignAndSave(alert, "test/alertTests");
+
+ ++alert.nID;
+ alert.strStatusBar = "Alert 2 for Satoshi 0.1.0";
+ alert.setSubVer.insert(std::string("/Satoshi:0.1.0/"));
+ SignAndSave(alert, "test/alertTests");
+
+ ++alert.nID;
+ alert.nMinVer = 0;
+ alert.nMaxVer = 999999;
+ alert.strStatusBar = "Evil Alert'; /bin/ls; echo '";
+ alert.setSubVer.clear();
+ SignAndSave(alert, "test/alertTests");
+}
+#endif
+
+struct ReadAlerts
+{
+ ReadAlerts()
+ {
+ std::string filename("alertTests");
+ namespace fs = boost::filesystem;
+ fs::path testFile = fs::current_path() / "test" / "data" / filename;
+#ifdef TEST_DATA_DIR
+ if (!fs::exists(testFile))
+ {
+ testFile = fs::path(BOOST_PP_STRINGIZE(TEST_DATA_DIR)) / filename;
+ }
+#endif
+ FILE* fp = fopen(testFile.string().c_str(), "rb");
+ if (!fp) return;
+
+
+ CAutoFile filein = CAutoFile(fp, SER_DISK, CLIENT_VERSION);
+ if (!filein) return;
+
+ try {
+ while (!feof(filein))
+ {
+ CAlert alert;
+ filein >> alert;
+ alerts.push_back(alert);
+ }
+ }
+ catch (std::exception) { }
+ }
+ ~ReadAlerts() { }
+
+ static std::vector<std::string> read_lines(boost::filesystem::path filepath)
+ {
+ std::vector<std::string> result;
+
+ std::ifstream f(filepath.string().c_str());
+ std::string line;
+ while (std::getline(f,line))
+ result.push_back(line);
+
+ return result;
+ }
+
+ std::vector<CAlert> alerts;
+};
+
+BOOST_FIXTURE_TEST_SUITE(Alert_tests, ReadAlerts)
+
+
+BOOST_AUTO_TEST_CASE(AlertApplies)
+{
+ SetMockTime(11);
+
+ BOOST_FOREACH(const CAlert& alert, alerts)
+ {
+ BOOST_CHECK(alert.CheckSignature());
+ }
+ // Matches:
+ BOOST_CHECK(alerts[0].AppliesTo(1, ""));
+ BOOST_CHECK(alerts[0].AppliesTo(70001, ""));
+ BOOST_CHECK(alerts[0].AppliesTo(1, "/Satoshi:11.11.11/"));
+
+ BOOST_CHECK(alerts[1].AppliesTo(1, "/Satoshi:0.1.0/"));
+ BOOST_CHECK(alerts[1].AppliesTo(70001, "/Satoshi:0.1.0/"));
+
+ BOOST_CHECK(alerts[2].AppliesTo(1, "/Satoshi:0.1.0/"));
+ BOOST_CHECK(alerts[2].AppliesTo(1, "/Satoshi:0.2.0/"));
+
+ // Don't match:
+ BOOST_CHECK(!alerts[0].AppliesTo(-1, ""));
+ BOOST_CHECK(!alerts[0].AppliesTo(70002, ""));
+
+ BOOST_CHECK(!alerts[1].AppliesTo(1, ""));
+ BOOST_CHECK(!alerts[1].AppliesTo(1, "Satoshi:0.1.0"));
+ BOOST_CHECK(!alerts[1].AppliesTo(1, "/Satoshi:0.1.0"));
+ BOOST_CHECK(!alerts[1].AppliesTo(1, "Satoshi:0.1.0/"));
+ BOOST_CHECK(!alerts[1].AppliesTo(-1, "/Satoshi:0.1.0/"));
+ BOOST_CHECK(!alerts[1].AppliesTo(70002, "/Satoshi:0.1.0/"));
+ BOOST_CHECK(!alerts[1].AppliesTo(1, "/Satoshi:0.2.0/"));
+
+ BOOST_CHECK(!alerts[2].AppliesTo(1, "/Satoshi:0.3.0/"));
+
+ SetMockTime(0);
+}
+
+
+// This uses sh 'echo' to test the -alertnotify function, writing to a
+// /tmp file. So skip it on Windows:
+#ifndef WIN32
+BOOST_AUTO_TEST_CASE(AlertNotify)
+{
+ SetMockTime(11);
+
+ boost::filesystem::path temp = GetTempPath() / "alertnotify.txt";
+ boost::filesystem::remove(temp);
+
+ mapArgs["-alertnotify"] = std::string("echo %s >> ") + temp.string();
+
+ BOOST_FOREACH(CAlert alert, alerts)
+ alert.ProcessAlert(false);
+
+ std::vector<std::string> r = read_lines(temp);
+ BOOST_CHECK_EQUAL(r.size(), 4u);
+ BOOST_CHECK_EQUAL(r[0], "Alert 1");
+ BOOST_CHECK_EQUAL(r[1], "Alert 2, cancels 1");
+ BOOST_CHECK_EQUAL(r[2], "Alert 2, cancels 1");
+ BOOST_CHECK_EQUAL(r[3], "Evil Alert; /bin/ls; echo "); // single-quotes should be removed
+
+ boost::filesystem::remove(temp);
+
+ SetMockTime(0);
+}
+#endif
+
+BOOST_AUTO_TEST_SUITE_END()
diff --git a/src/test/data/alertTests b/src/test/data/alertTests
new file mode 100644
index 0000000000..7fc4528961
--- /dev/null
+++ b/src/test/data/alertTests
Binary files differ
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-01 07:02:22 +0000