Files
bal-server/src/db.rs
svatantrya 167869b881 security: eliminate unwrap/expect/panic on untrusted input paths (Fase 2 HIGH)
- db.rs: Replace all stmt.read/bind().unwrap() with safe match/if let + error logging
- db.rs: Replace execute_insert() expect() with safe prepare + rollback on error
- db.rs: Replace get_total_transaction_number() unwrap() with safe match/Result propagation
- bal-server.rs: Replace fs::read_to_string().expect() with match + 500 error
- bal-server.rs: Replace idx/amount.try_into().unwrap() with i64::try_from(...).unwrap_or()
- bal-server.rs: echo_pub_key returns 500 instead of panic on file read failure
- docs/08_security_audit.md: Update status for panic/DoS vulnerabilities to 'Fixed'
- All tests pass: cargo test (5 tests: 3 SQL injection + 2 panic regression)
- Build verified: cargo check --bin=bal-server --bin=bal-pusher (0 errors)
2026-07-16 14:56:25 -04:00

266 lines
9.7 KiB
Rust

use log::{error, info, trace};
use sqlite::{Connection, Error, State, Value};
pub fn create_database(db: &Connection) {
info!("database sanity check");
let _ = db.execute("CREATE TABLE IF NOT EXISTS tbl_tx (txid PRIMARY KEY, date_creation TIMESTAMP DEFAULT CURRENT_TIMESTAMP, date_update TIMESTAMP DEFAULT CURRENT_TIMESTAMP, wtxid, ntxid, tx, locktime integer, network, network_fees, reqid, our_fees, our_address, status integer DEFAULT 0);");
let _ = db.execute("ALTER TABLE tbl_tx ADD COLUMN push_err TEXT");
let _ = db.execute("CREATE TABLE IF NOT EXISTS tbl_inp(id, txid, in_txid, in_vout);");
let _ = db.execute("CREATE UNIQUE INDEX ON tbl_inp(txid,in_txid,in_vout);");
let _ =
db.execute("CREATE TABLE IF NOT EXISTS tbl_out(id, txid, script_pubkey, amount, vout);");
let _ = db.execute("CREATE UNIQUE INDEX ON tbl_out(txid, script_pubkey, amount, vout);");
let _ = db.execute("CREATE TABLE IF NOT EXISTS tbl_xpub (id INTEGER PRIMARY KEY , network TEXT, xpub TEXT, date_create TIMESTAMP DEFAULT CURRENT_TIMESTAMP,path_idx INTEGER DEFAULT -1);");
let _ = db.execute("CREATE UNIQUE INDEX idx_xpub ON tbl_xpub (network, xpub)");
let _ = db.execute("CREATE TABLE IF NOT EXISTS tbl_address (address TEXT PRIMARY_KEY, path TEXT NOT NULL, date_create TIMESTAMP DEFAULT CURRENT_TIMESTAMP, xpub INTEGER,remote_address TEXT);");
let _ = db.execute("UPDATE tbl_tx set network='bitcoin' where network='mainnet');");
}
/*
pub fn get_xpub_id(db: &Connection, network: &String, xpub: &String) -> Option<i64>{
let mut stmt = db.prepare("SELECT * FROM tbl_xpub where network = ? and xpub = ?;").unwrap();
let _ = stmt.bind((1,Value::String(network.to_string()))).unwrap();
let _ = stmt.bind((2,Value::String(xpub.to_string()))).unwrap();
if let Ok(State::Row) = stmt.next(){
return Some(stmt.read::<i64, _>("id").unwrap());
} else {
return None;
}
}
*/
pub fn insert_xpub(db: &Connection, network: &String, xpub: &String) {
if xpub != "" {
trace!("going to insert: {} xpub:{}", network, xpub);
let mut stmt = match db.prepare("INSERT INTO tbl_xpub(network,xpub) VALUES(?, ?);") {
Ok(s) => s,
Err(e) => {
error!("Failed to prepare xpub insert statement: {}", e);
return;
}
};
if let Err(e) = stmt.bind((1, Value::String(network.to_string()))) {
error!("Failed to bind network parameter for xpub insert: {}", e);
return;
}
if let Err(e) = stmt.bind((2, Value::String(xpub.to_string()))) {
error!("Failed to bind xpub parameter: {}", e);
return;
}
if let Err(e) = stmt.next() {
error!("Failed to insert xpub: {}", e);
}
}
}
pub fn get_last_used_address_by_ip(
db: &Connection,
network: &String,
xpub: &String,
address: &String,
) -> Option<String> {
let mut stmt = match db.prepare("SELECT tbl_address.address FROM tbl_xpub join tbl_address on(tbl_xpub.id = tbl_address.xpub) where tbl_xpub.network = ? and tbl_address.remote_address = ? and tbl_xpub.xpub = ? ORDER BY tbl_address.date_create DESC LIMIT 1;") {
Ok(s) => s,
Err(e) => {
error!("Failed to prepare address query: {}", e);
return None;
}
};
if let Err(e) = stmt.bind((1, Value::String(network.to_string()))) {
error!("Failed to bind network parameter: {}", e);
return None;
}
if let Err(e) = stmt.bind((2, Value::String(address.to_string()))) {
error!("Failed to bind address parameter: {}", e);
return None;
}
if let Err(e) = stmt.bind((3, Value::String(xpub.to_string()))) {
error!("Failed to bind xpub parameter: {}", e);
return None;
}
if let Ok(State::Row) = stmt.next() {
match stmt.read::<String, _>("address") {
Ok(addr) => Some(addr),
Err(e) => {
error!("Failed to read address column: {}", e);
None
}
}
} else {
None
}
}
pub fn get_next_address_index(db: &Connection, network: &String, xpub: &String) -> (i64, i64) {
let mut stmt = match db.prepare("UPDATE tbl_xpub SET path_idx = path_idx + 1 WHERE network = ? and xpub= ? RETURNING path_idx,id;") {
Ok(s) => s,
Err(e) => {
error!("Failed to prepare xpub index update: {}", e);
return (0, 0);
}
};
if let Err(e) = stmt.bind((1, Value::String(network.to_string()))) {
error!("Failed to bind network parameter: {}", e);
return (0, 0);
}
if let Err(e) = stmt.bind((2, Value::String(xpub.to_string()))) {
error!("Failed to bind xpub parameter: {}", e);
return (0, 0);
}
match stmt.next() {
Ok(State::Row) => {
match stmt.read::<i64, _>("path_idx") {
Ok(next) => match stmt.read::<i64, _>("id") {
Ok(id) => (id, next),
Err(e) => {
error!("Failed to read id column: {}", e);
(0, 0)
}
},
Err(e) => {
error!("Failed to read path_idx column: {}", e);
(0, 0)
}
}
}
Err(e) => {
error!("Failed to execute xpub index update: {}", e);
(0, 0)
}
Ok(State::Done) => {
(0, 0)
}
}
}
pub fn save_new_address(
db: &Connection,
xpub: i64,
address: &String,
path: &String,
remote_addr: &String,
) {
let mut stmt = match db.prepare("INSERT INTO tbl_address(address,path,xpub,remote_address) VALUES(?,?,?,?);
") {
Ok(s) => s,
Err(e) => {
error!("Failed to prepare address insert statement: {}", e);
return;
}
};
if let Err(e) = stmt.bind((1, Value::String(address.to_string()))) {
error!("Failed to bind address parameter: {}", e);
return;
}
if let Err(e) = stmt.bind((2, Value::String(path.to_string()))) {
error!("Failed to bind path parameter: {}", e);
return;
}
if let Err(e) = stmt.bind((3, Value::Integer(xpub))) {
error!("Failed to bind xpub parameter: {}", e);
return;
}
if let Err(e) = stmt.bind((4, Value::String(remote_addr.to_string()))) {
error!("Failed to bind remote_addr parameter: {}", e);
return;
}
if let Err(e) = stmt.next() {
error!("Failed to insert address: {}", e);
}
}
pub fn execute_insert(
db: &Connection,
sqltxs: String,
ptx: Vec<(usize, Value)>,
sqlinp: String,
pinp: Vec<(usize, Value)>,
sqlout: String,
pout: Vec<(usize, Value)>,
) -> Result<(), Error> {
let _ = db.execute("BEGIN TRANSACTION");
let mut stmt = match db.prepare(sqltxs.as_str()) {
Ok(s) => s,
Err(err) => {
error!("error preparing sqltxs: {}", err);
let _ = db.execute("ROLLBACK");
return Err(err);
}
};
if let Err(err) = stmt.bind::<&[(_, Value)]>(&ptx[..]) {
error!("error binding transaction parameters: {}", err);
let _ = db.execute("ROLLBACK");
return Err(err);
}
if let Err(err) = stmt.next() {
error!("error inserting transactions {}", err);
let _ = db.execute("ROLLBACK");
} else {
let mut stmt = match db.prepare(sqlinp.as_str()) {
Ok(s) => s,
Err(err) => {
error!("error preparing sqlinp: {}", err);
let _ = db.execute("ROLLBACK");
return Err(err);
}
};
if let Err(err) = stmt.bind::<&[(_, Value)]>(&pinp[..]) {
error!("error binding inputs parameters {}", err);
let _ = db.execute("ROLLBACK");
return Err(err);
}
if let Err(err) = stmt.next() {
error!("error inserting inputs {}", err);
let _ = db.execute("ROLLBACK");
return Err(err);
} else {
let mut stmt = match db.prepare(sqlout.as_str()) {
Ok(s) => s,
Err(err) => {
error!("error preparing sqlout: {}", err);
let _ = db.execute("ROLLBACK");
return Err(err);
}
};
if let Err(err) = stmt.bind::<&[(_, Value)]>(&pout[..]) {
error!("error binding outs parameters {}", err);
let _ = db.execute("ROLLBACK");
return Err(err);
}
if let Err(err) = stmt.next() {
error!("error inserting outs {}", err);
let _ = db.execute("ROLLBACK");
return Err(err);
}
}
}
let _ = db.execute("COMMIT");
Ok(())
}
pub fn get_total_transaction_number(db: Connection, network: &String) -> Result<i64, Error> {
let mut stmt = db
.prepare("SELECT COUNT(*) as total_number FROM tbl_tx where network = ?;")
.map_err(|e| { error!("Failed to prepare statement: {}", e); e })?;
if let Err(e) = stmt.bind((1, Value::String(network.to_string()))) {
error!("Failed to bind network parameter: {}", e);
return Err(e);
}
match stmt.next() {
Ok(State::Row) => {
match stmt.read::<i64, _>("total_number") {
Ok(val) => Ok(val),
Err(e) => {
error!("Failed to read total_number column: {}", e);
Err(e)
}
}
}
Ok(sqlite::State::Done) => Ok(0),
Err(err) => {
error!("Failed to execute query: {}", err);
Err(err)
}
}
}