mirror of
https://github.com/psycopg/psycopg2.git
synced 2024-11-10 19:16:34 +03:00
Merge branch 'obscure-password-before-connect'
This commit is contained in:
commit
4d10f1235f
7
NEWS
7
NEWS
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@ -1,6 +1,13 @@
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Current release
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---------------
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What's new in psycopg 2.8.4
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^^^^^^^^^^^^^^^^^^^^^^^^^^^
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Don't swallow keyboard interrupts on connect when a password is specified
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in the connection string (:ticket:`#898`).
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What's new in psycopg 2.8.3
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^^^^^^^^^^^^^^^^^^^^^^^^^^^
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@ -164,7 +164,8 @@ HIDDEN void conn_notice_process(connectionObject *self);
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HIDDEN void conn_notice_clean(connectionObject *self);
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HIDDEN void conn_notifies_process(connectionObject *self);
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RAISES_NEG HIDDEN int conn_setup(connectionObject *self);
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HIDDEN int conn_connect(connectionObject *self, long int async);
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HIDDEN int conn_connect(connectionObject *self, const char *dsn, long int async);
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HIDDEN char *conn_obscure_password(const char *dsn);
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HIDDEN void conn_close(connectionObject *self);
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HIDDEN void conn_close_locked(connectionObject *self);
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RAISES_NEG HIDDEN int conn_commit(connectionObject *self);
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@ -705,7 +705,7 @@ exit:
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/* conn_connect - execute a connection to the database */
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static int
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_conn_sync_connect(connectionObject *self)
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_conn_sync_connect(connectionObject *self, const char *dsn)
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{
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int green;
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@ -714,26 +714,26 @@ _conn_sync_connect(connectionObject *self)
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green = psyco_green();
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if (!green) {
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Py_BEGIN_ALLOW_THREADS;
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self->pgconn = PQconnectdb(self->dsn);
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self->pgconn = PQconnectdb(dsn);
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Py_END_ALLOW_THREADS;
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Dprintf("conn_connect: new PG connection at %p", self->pgconn);
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}
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else {
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Py_BEGIN_ALLOW_THREADS;
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self->pgconn = PQconnectStart(self->dsn);
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self->pgconn = PQconnectStart(dsn);
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Py_END_ALLOW_THREADS;
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Dprintf("conn_connect: new green PG connection at %p", self->pgconn);
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}
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if (!self->pgconn)
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{
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Dprintf("conn_connect: PQconnectdb(%s) FAILED", self->dsn);
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Dprintf("conn_connect: PQconnectdb(%s) FAILED", dsn);
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PyErr_SetString(OperationalError, "PQconnectdb() failed");
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return -1;
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}
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else if (PQstatus(self->pgconn) == CONNECTION_BAD)
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{
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Dprintf("conn_connect: PQconnectdb(%s) returned BAD", self->dsn);
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Dprintf("conn_connect: PQconnectdb(%s) returned BAD", dsn);
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PyErr_SetString(OperationalError, PQerrorMessage(self->pgconn));
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return -1;
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}
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@ -763,23 +763,23 @@ _conn_sync_connect(connectionObject *self)
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}
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static int
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_conn_async_connect(connectionObject *self)
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_conn_async_connect(connectionObject *self, const char *dsn)
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{
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PGconn *pgconn;
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self->pgconn = pgconn = PQconnectStart(self->dsn);
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self->pgconn = pgconn = PQconnectStart(dsn);
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Dprintf("conn_connect: new postgresql connection at %p", pgconn);
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if (pgconn == NULL)
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{
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Dprintf("conn_connect: PQconnectStart(%s) FAILED", self->dsn);
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Dprintf("conn_connect: PQconnectStart(%s) FAILED", dsn);
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PyErr_SetString(OperationalError, "PQconnectStart() failed");
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return -1;
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}
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else if (PQstatus(pgconn) == CONNECTION_BAD)
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{
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Dprintf("conn_connect: PQconnectdb(%s) returned BAD", self->dsn);
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Dprintf("conn_connect: PQconnectdb(%s) returned BAD", dsn);
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PyErr_SetString(OperationalError, PQerrorMessage(pgconn));
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return -1;
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}
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@ -800,17 +800,17 @@ _conn_async_connect(connectionObject *self)
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}
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int
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conn_connect(connectionObject *self, long int async)
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conn_connect(connectionObject *self, const char *dsn, long int async)
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{
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int rv;
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if (async == 1) {
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Dprintf("con_connect: connecting in ASYNC mode");
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rv = _conn_async_connect(self);
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rv = _conn_async_connect(self, dsn);
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}
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else {
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Dprintf("con_connect: connecting in SYNC mode");
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rv = _conn_sync_connect(self);
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rv = _conn_sync_connect(self, dsn);
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}
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if (rv != 0) {
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@ -1157,6 +1157,60 @@ conn_close(connectionObject *self)
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Py_END_ALLOW_THREADS;
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}
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/* Return a copy of the 'dsn' string with the password scrubbed.
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*
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* The string returned is allocated on the Python heap.
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*
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* In case of error return NULL and raise an exception.
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*/
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char *
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conn_obscure_password(const char *dsn)
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{
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PQconninfoOption *options = NULL;
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PyObject *d = NULL, *v = NULL, *pydsn = NULL;
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char *rv = NULL;
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if (!dsn) {
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PyErr_SetString(InternalError, "unexpected null string");
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goto exit;
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}
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if (!(options = PQconninfoParse(dsn, NULL))) {
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/* unlikely: the dsn was already tested valid */
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PyErr_SetString(InternalError, "the connection string is not valid");
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goto exit;
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}
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if (!(d = psyco_dict_from_conninfo_options(
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options, /* include_password = */ 1))) {
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goto exit;
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}
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if (NULL == PyDict_GetItemString(d, "password")) {
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/* the dsn doesn't have a password */
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psyco_strdup(&rv, dsn, -1);
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goto exit;
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}
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/* scrub the password and put back the connection string together */
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if (!(v = Text_FromUTF8("xxx"))) { goto exit; }
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if (0 > PyDict_SetItemString(d, "password", v)) { goto exit; }
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if (!(pydsn = psyco_make_dsn(Py_None, d))) { goto exit; }
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if (!(pydsn = psyco_ensure_bytes(pydsn))) { goto exit; }
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/* Return the connection string with the password replaced */
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psyco_strdup(&rv, Bytes_AS_STRING(pydsn), -1);
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exit:
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PQconninfoFree(options);
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Py_XDECREF(v);
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Py_XDECREF(d);
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Py_XDECREF(pydsn);
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return rv;
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}
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/* conn_close_locked - shut down the connection with the lock already taken */
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void conn_close_locked(connectionObject *self)
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@ -1297,55 +1297,6 @@ static struct PyGetSetDef connectionObject_getsets[] = {
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/* initialization and finalization methods */
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RAISES_NEG static int
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obscure_password(connectionObject *conn)
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{
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PQconninfoOption *options;
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PyObject *d = NULL, *v = NULL, *dsn = NULL;
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char *tmp;
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int rv = -1;
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if (!conn || !conn->dsn) {
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return 0;
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}
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if (!(options = PQconninfoParse(conn->dsn, NULL))) {
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/* unlikely: the dsn was already tested valid */
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return 0;
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}
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if (!(d = psyco_dict_from_conninfo_options(
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options, /* include_password = */ 1))) {
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goto exit;
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}
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if (NULL == PyDict_GetItemString(d, "password")) {
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/* the dsn doesn't have a password */
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rv = 0;
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goto exit;
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}
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/* scrub the password and put back the connection string together */
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if (!(v = Text_FromUTF8("xxx"))) { goto exit; }
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if (0 > PyDict_SetItemString(d, "password", v)) { goto exit; }
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if (!(dsn = psyco_make_dsn(Py_None, d))) { goto exit; }
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if (!(dsn = psyco_ensure_bytes(dsn))) { goto exit; }
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/* Replace the connection string on the connection object */
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tmp = conn->dsn;
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psyco_strdup(&conn->dsn, Bytes_AS_STRING(dsn), -1);
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PyMem_Free(tmp);
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rv = 0;
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exit:
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PQconninfoFree(options);
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Py_XDECREF(v);
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Py_XDECREF(d);
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Py_XDECREF(dsn);
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return rv;
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}
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static int
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connection_setup(connectionObject *self, const char *dsn, long int async)
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{
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@ -1356,7 +1307,7 @@ connection_setup(connectionObject *self, const char *dsn, long int async)
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self, async, Py_REFCNT(self)
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);
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if (0 > psyco_strdup(&self->dsn, dsn, -1)) { goto exit; }
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if (!(self->dsn = conn_obscure_password(dsn))) { goto exit; }
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if (!(self->notice_list = PyList_New(0))) { goto exit; }
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if (!(self->notifies = PyList_New(0))) { goto exit; }
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self->async = async;
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@ -1378,7 +1329,7 @@ connection_setup(connectionObject *self, const char *dsn, long int async)
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goto exit;
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}
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if (conn_connect(self, async) != 0) {
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if (conn_connect(self, dsn, async) != 0) {
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Dprintf("connection_init: FAILED");
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goto exit;
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}
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@ -1390,13 +1341,6 @@ connection_setup(connectionObject *self, const char *dsn, long int async)
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self, Py_REFCNT(self));
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exit:
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/* here we obfuscate the password even if there was a connection error */
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{
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PyObject *ptype = NULL, *pvalue = NULL, *ptb = NULL;
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PyErr_Fetch(&ptype, &pvalue, &ptb);
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obscure_password(self);
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PyErr_Restore(ptype, pvalue, ptb);
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}
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return rv;
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}
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