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Reject failed topology writes and malformed stored signatures

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evgeny committed 2026-10-24 14:01:37 +02:00
1 parent 5c4207c145
commit 99608de811
2 files changed
+42 -12
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src/routing_layer/topo_node_sqlite.c
+26 -12
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@@ -778,7 +778,10 @@ int topo_node_sqlite_member_get_join(sqlite3* db, const char* channel_id, uint64
int rc = -1;
if (sqlite3_step(stmt) == SQLITE_ROW) {
const uint8_t* sig = (const uint8_t*)sqlite3_column_blob(stmt, 0);
if (sig) { memcpy(join_sig_out, sig, PEERS_JOIN_SIG_SIZE); *join_ts_out = (uint64_t)sqlite3_column_int64(stmt, 1); rc = 0; }
if (sig && sqlite3_column_bytes(stmt, 0) == PEERS_JOIN_SIG_SIZE) {
memcpy(join_sig_out, sig, PEERS_JOIN_SIG_SIZE); *join_ts_out = (uint64_t)sqlite3_column_int64(stmt, 1); rc = 0;
} else DEBUG_WARN(DEBUG_CATEGORY_BGP, "invalid stored join signature channel=%s node=%016llx bytes=%d",
channel_id, (unsigned long long)node_id, sqlite3_column_bytes(stmt, 0));
}
sqlite3_finalize(stmt);
return rc;
@@ -817,15 +820,18 @@ int topo_node_sqlite_member_in_channel(sqlite3* db, const char* channel_id, uint
}
int topo_node_sqlite_member_del(sqlite3* db, const char* channel_id, uint64_t node_id) {
if (!db || !channel_id) return -1;
if (!db || !channel_id) { DEBUG_ERROR(DEBUG_CATEGORY_BGP, "member delete: invalid arguments"); return -1; }
char peers_tbl[80]; peers_table_name(channel_id, peers_tbl, sizeof(peers_tbl));
char sql[256];
snprintf(sql, sizeof(sql), "DELETE FROM \"%s\" WHERE node_id=?", peers_tbl);
sqlite3_stmt* stmt = NULL;
if (sqlite3_prepare_v2(db, sql, -1, &stmt, NULL) != SQLITE_OK) return -1;
sqlite3_bind_int64(stmt, 1, (sqlite3_int64)node_id);
sqlite3_step(stmt); sqlite3_finalize(stmt);
return 0;
int rc = sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
if (rc == SQLITE_OK) rc = sqlite3_bind_int64(stmt, 1, (sqlite3_int64)node_id);
if (rc == SQLITE_OK) rc = sqlite3_step(stmt);
if (rc != SQLITE_DONE) DEBUG_ERROR(DEBUG_CATEGORY_BGP, "member delete: channel=%s node=%016llx rc=%d: %s",
channel_id, (unsigned long long)node_id, rc, sqlite3_errmsg(db));
sqlite3_finalize(stmt);
return rc == SQLITE_DONE ? 0 : -1;
}
int topo_node_sqlite_channel_get(sqlite3* db, const char* channel_id,
@@ -838,6 +844,12 @@ int topo_node_sqlite_channel_get(sqlite3* db, const char* channel_id,
" FROM channels WHERE channel_id=?", -1, &stmt, NULL) != SQLITE_OK) return -1;
sqlite3_bind_text(stmt, 1, channel_id, -1, SQLITE_STATIC);
if (sqlite3_step(stmt) != SQLITE_ROW) { sqlite3_finalize(stmt); return -1; }
if ((x25519_pub && sqlite3_column_bytes(stmt, 2) != 32) ||
(ed25519_pub && sqlite3_column_bytes(stmt, 3) != 32) || (signature && sqlite3_column_bytes(stmt, 4) != 64)) {
DEBUG_ERROR(DEBUG_CATEGORY_BGP, "invalid stored channel keys/signature channel=%s sizes=%d/%d/%d", channel_id,
sqlite3_column_bytes(stmt, 2), sqlite3_column_bytes(stmt, 3), sqlite3_column_bytes(stmt, 4));
sqlite3_finalize(stmt); return -1;
}
if (name_out && name_sz > 0) {
const unsigned char* txt = sqlite3_column_text(stmt, 0);
if (txt) snprintf(name_out, name_sz, "%s", txt); else name_out[0] = '\0';
@@ -899,14 +911,16 @@ int topo_node_sqlite_channel_set_privs(sqlite3* db, const char* channel_id,
}
int topo_node_sqlite_node_set_online(sqlite3* db, uint64_t node_id, int online) {
if (!db) return -1;
if (!db) { DEBUG_ERROR(DEBUG_CATEGORY_BGP, "node online: database is NULL"); return -1; }
sqlite3_stmt* stmt = NULL;
if (sqlite3_prepare_v2(db, "UPDATE nodes SET online=? WHERE node_id=?", -1, &stmt, NULL) != SQLITE_OK) return -1;
sqlite3_bind_int(stmt, 1, online ? 1 : 0);
sqlite3_bind_int64(stmt, 2, (sqlite3_int64)node_id);
sqlite3_step(stmt);
int rc = sqlite3_prepare_v2(db, "UPDATE nodes SET online=? WHERE node_id=?", -1, &stmt, NULL);
if (rc == SQLITE_OK) rc = sqlite3_bind_int(stmt, 1, online ? 1 : 0);
if (rc == SQLITE_OK) rc = sqlite3_bind_int64(stmt, 2, (sqlite3_int64)node_id);
if (rc == SQLITE_OK) rc = sqlite3_step(stmt);
if (rc != SQLITE_DONE) DEBUG_ERROR(DEBUG_CATEGORY_BGP, "node online: node=%016llx online=%d rc=%d: %s",
(unsigned long long)node_id, online, rc, sqlite3_errmsg(db));
sqlite3_finalize(stmt);
return 0;
return rc == SQLITE_DONE ? 0 : -1;
}
int topo_node_sqlite_node_get_online(sqlite3* db, uint64_t node_id) {