Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1 | /* |
| 2 | * context.c |
| 3 | * |
Jean-Paul Calderone | 8671c85 | 2011-03-02 19:26:20 -0500 | [diff] [blame] | 4 | * Copyright (C) AB Strakt |
| 5 | * Copyright (C) Jean-Paul Calderone |
| 6 | * See LICENSE for details. |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 7 | * |
| 8 | * SSL Context objects and their methods. |
| 9 | * See the file RATIONALE for a short explanation of why this module was written. |
| 10 | * |
| 11 | * Reviewed 2001-07-23 |
| 12 | */ |
| 13 | #include <Python.h> |
Jean-Paul Calderone | 12ea9a0 | 2008-02-22 12:24:39 -0500 | [diff] [blame] | 14 | |
Jean-Paul Calderone | 28ebb30 | 2008-12-29 16:25:30 -0500 | [diff] [blame] | 15 | #if PY_VERSION_HEX >= 0x02050000 |
| 16 | # define PYARG_PARSETUPLE_FORMAT const char |
Jean-Paul Calderone | 6e2b685 | 2009-10-24 14:04:30 -0400 | [diff] [blame] | 17 | # define PYOBJECT_GETATTRSTRING_TYPE const char* |
Jean-Paul Calderone | 28ebb30 | 2008-12-29 16:25:30 -0500 | [diff] [blame] | 18 | #else |
| 19 | # define PYARG_PARSETUPLE_FORMAT char |
Jean-Paul Calderone | 6e2b685 | 2009-10-24 14:04:30 -0400 | [diff] [blame] | 20 | # define PYOBJECT_GETATTRSTRING_TYPE char* |
Jean-Paul Calderone | 28ebb30 | 2008-12-29 16:25:30 -0500 | [diff] [blame] | 21 | #endif |
| 22 | |
Jean-Paul Calderone | 12ea9a0 | 2008-02-22 12:24:39 -0500 | [diff] [blame] | 23 | #ifndef MS_WINDOWS |
| 24 | # include <sys/socket.h> |
| 25 | # include <netinet/in.h> |
| 26 | # if !(defined(__BEOS__) || defined(__CYGWIN__)) |
| 27 | # include <netinet/tcp.h> |
| 28 | # endif |
| 29 | #else |
| 30 | # include <winsock.h> |
| 31 | # include <wincrypt.h> |
| 32 | #endif |
| 33 | |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 34 | #define SSL_MODULE |
| 35 | #include "ssl.h" |
| 36 | |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 37 | /* |
| 38 | * CALLBACKS |
| 39 | * |
| 40 | * Callbacks work like this: We provide a "global" callback in C which |
| 41 | * transforms the arguments into a Python argument tuple and calls the |
| 42 | * corresponding Python callback, and then parsing the return value back into |
| 43 | * things the C function can return. |
| 44 | * |
| 45 | * Three caveats: |
| 46 | * + How do we find the Context object where the Python callbacks are stored? |
| 47 | * + What about multithreading and execution frames? |
| 48 | * + What about Python callbacks that raise exceptions? |
| 49 | * |
| 50 | * The solution to the first issue is trivial if the callback provides |
| 51 | * "userdata" functionality. Since the only callbacks that don't provide |
| 52 | * userdata do provide a pointer to an SSL structure, we can associate an SSL |
| 53 | * object and a Connection one-to-one via the SSL_set/get_app_data() |
| 54 | * functions. |
| 55 | * |
| 56 | * The solution to the other issue is to rewrite the Py_BEGIN_ALLOW_THREADS |
| 57 | * macro allowing it (or rather a new macro) to specify where to save the |
| 58 | * thread state (in our case, as a member of the Connection/Context object) so |
| 59 | * we can retrieve it again before calling the Python callback. |
| 60 | */ |
| 61 | |
| 62 | /* |
Jean-Paul Calderone | 828c9cb | 2008-04-26 18:06:54 -0400 | [diff] [blame] | 63 | * Globally defined passphrase callback. This is called from OpenSSL |
| 64 | * internally. The GIL will not be held when this function is invoked. It |
| 65 | * must not be held when the function returns. |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 66 | * |
| 67 | * Arguments: buf - Buffer to store the returned passphrase in |
| 68 | * maxlen - Maximum length of the passphrase |
| 69 | * verify - If true, the passphrase callback should ask for a |
| 70 | * password twice and verify they're equal. If false, only |
| 71 | * ask once. |
| 72 | * arg - User data, always a Context object |
| 73 | * Returns: The length of the password if successful, 0 otherwise |
| 74 | */ |
| 75 | static int |
| 76 | global_passphrase_callback(char *buf, int maxlen, int verify, void *arg) |
| 77 | { |
Jean-Paul Calderone | 828c9cb | 2008-04-26 18:06:54 -0400 | [diff] [blame] | 78 | /* |
| 79 | * Initialize len here because we're always going to return it, and we |
| 80 | * might jump to the return before it gets initialized in any other way. |
| 81 | */ |
| 82 | int len = 0; |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 83 | char *str; |
| 84 | PyObject *argv, *ret = NULL; |
| 85 | ssl_ContextObj *ctx = (ssl_ContextObj *)arg; |
| 86 | |
Jean-Paul Calderone | 828c9cb | 2008-04-26 18:06:54 -0400 | [diff] [blame] | 87 | /* |
| 88 | * GIL isn't held yet. First things first - acquire it, or any Python API |
| 89 | * we invoke might segfault or blow up the sun. The reverse will be done |
| 90 | * before returning. |
| 91 | */ |
| 92 | MY_END_ALLOW_THREADS(ctx->tstate); |
| 93 | |
Jean-Paul Calderone | 5ef8651 | 2008-04-26 19:06:28 -0400 | [diff] [blame] | 94 | /* The Python callback is called with a (maxlen,verify,userdata) tuple */ |
| 95 | argv = Py_BuildValue("(iiO)", maxlen, verify, ctx->passphrase_userdata); |
| 96 | |
Jean-Paul Calderone | 828c9cb | 2008-04-26 18:06:54 -0400 | [diff] [blame] | 97 | /* |
| 98 | * XXX Didn't check argv to see if it was NULL. -exarkun |
| 99 | */ |
| 100 | ret = PyEval_CallObject(ctx->passphrase_callback, argv); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 101 | Py_DECREF(argv); |
| 102 | |
Jean-Paul Calderone | 828c9cb | 2008-04-26 18:06:54 -0400 | [diff] [blame] | 103 | if (ret == NULL) { |
| 104 | /* |
Jean-Paul Calderone | e1fc4ea | 2010-07-30 18:18:00 -0400 | [diff] [blame] | 105 | * The callback raised an exception. It will be raised by whatever |
| 106 | * Python API triggered this callback. |
Jean-Paul Calderone | 828c9cb | 2008-04-26 18:06:54 -0400 | [diff] [blame] | 107 | */ |
| 108 | goto out; |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 109 | } |
| 110 | |
Jean-Paul Calderone | 828c9cb | 2008-04-26 18:06:54 -0400 | [diff] [blame] | 111 | if (!PyObject_IsTrue(ret)) { |
| 112 | /* |
| 113 | * Returned "", or None, or something. Treat it as no passphrase. |
| 114 | */ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 115 | Py_DECREF(ret); |
Jean-Paul Calderone | 828c9cb | 2008-04-26 18:06:54 -0400 | [diff] [blame] | 116 | goto out; |
| 117 | } |
| 118 | |
Jean-Paul Calderone | 83dbcfd | 2010-08-11 20:20:57 -0400 | [diff] [blame] | 119 | if (!PyBytes_Check(ret)) { |
Jean-Paul Calderone | 828c9cb | 2008-04-26 18:06:54 -0400 | [diff] [blame] | 120 | /* |
Jean-Paul Calderone | e1fc4ea | 2010-07-30 18:18:00 -0400 | [diff] [blame] | 121 | * XXX Returned something that wasn't a string. This is bogus. We'll |
| 122 | * return 0 and OpenSSL will treat it as an error, resulting in an |
| 123 | * exception from whatever Python API triggered this callback. |
Jean-Paul Calderone | 828c9cb | 2008-04-26 18:06:54 -0400 | [diff] [blame] | 124 | */ |
| 125 | Py_DECREF(ret); |
| 126 | goto out; |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 127 | } |
| 128 | |
Jean-Paul Calderone | 83dbcfd | 2010-08-11 20:20:57 -0400 | [diff] [blame] | 129 | len = PyBytes_Size(ret); |
Jean-Paul Calderone | 828c9cb | 2008-04-26 18:06:54 -0400 | [diff] [blame] | 130 | if (len > maxlen) { |
| 131 | /* |
Jean-Paul Calderone | e1fc4ea | 2010-07-30 18:18:00 -0400 | [diff] [blame] | 132 | * Returned more than we said they were allowed to return. Just |
| 133 | * truncate it. Might be better to raise an exception, |
| 134 | * instead. -exarkun |
Jean-Paul Calderone | 828c9cb | 2008-04-26 18:06:54 -0400 | [diff] [blame] | 135 | */ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 136 | len = maxlen; |
Jean-Paul Calderone | 828c9cb | 2008-04-26 18:06:54 -0400 | [diff] [blame] | 137 | } |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 138 | |
Jean-Paul Calderone | 83dbcfd | 2010-08-11 20:20:57 -0400 | [diff] [blame] | 139 | str = PyBytes_AsString(ret); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 140 | strncpy(buf, str, len); |
| 141 | Py_XDECREF(ret); |
| 142 | |
Jean-Paul Calderone | 828c9cb | 2008-04-26 18:06:54 -0400 | [diff] [blame] | 143 | out: |
| 144 | /* |
| 145 | * This function is returning into OpenSSL. Release the GIL again. |
| 146 | */ |
| 147 | MY_BEGIN_ALLOW_THREADS(ctx->tstate); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 148 | return len; |
| 149 | } |
| 150 | |
| 151 | /* |
| 152 | * Globally defined verify callback |
| 153 | * |
| 154 | * Arguments: ok - True everything is OK "so far", false otherwise |
| 155 | * x509_ctx - Contains the certificate being checked, the current |
| 156 | * error number and depth, and the Connection we're |
| 157 | * dealing with |
| 158 | * Returns: True if everything is okay, false otherwise |
| 159 | */ |
| 160 | static int |
| 161 | global_verify_callback(int ok, X509_STORE_CTX *x509_ctx) |
| 162 | { |
| 163 | PyObject *argv, *ret; |
| 164 | SSL *ssl; |
| 165 | ssl_ConnectionObj *conn; |
| 166 | crypto_X509Obj *cert; |
Jean-Paul Calderone | 28ebb30 | 2008-12-29 16:25:30 -0500 | [diff] [blame] | 167 | int errnum, errdepth, c_ret; |
Jean-Paul Calderone | 5ef8651 | 2008-04-26 19:06:28 -0400 | [diff] [blame] | 168 | |
Jean-Paul Calderone | ac0d95f | 2008-03-10 00:00:42 -0400 | [diff] [blame] | 169 | // Get Connection object to check thread state |
| 170 | ssl = (SSL *)X509_STORE_CTX_get_app_data(x509_ctx); |
| 171 | conn = (ssl_ConnectionObj *)SSL_get_app_data(ssl); |
Jean-Paul Calderone | 5ef8651 | 2008-04-26 19:06:28 -0400 | [diff] [blame] | 172 | |
Jean-Paul Calderone | 26aea02 | 2008-09-21 18:47:06 -0400 | [diff] [blame] | 173 | MY_END_ALLOW_THREADS(conn->tstate); |
Jean-Paul Calderone | 5ef8651 | 2008-04-26 19:06:28 -0400 | [diff] [blame] | 174 | |
Jean-Paul Calderone | 1e9312e | 2010-10-31 21:26:18 -0400 | [diff] [blame] | 175 | cert = new_x509(X509_STORE_CTX_get_current_cert(x509_ctx), 0); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 176 | errnum = X509_STORE_CTX_get_error(x509_ctx); |
| 177 | errdepth = X509_STORE_CTX_get_error_depth(x509_ctx); |
Jean-Paul Calderone | 5ef8651 | 2008-04-26 19:06:28 -0400 | [diff] [blame] | 178 | |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 179 | argv = Py_BuildValue("(OOiii)", (PyObject *)conn, (PyObject *)cert, |
| 180 | errnum, errdepth, ok); |
| 181 | Py_DECREF(cert); |
Jean-Paul Calderone | ac0d95f | 2008-03-10 00:00:42 -0400 | [diff] [blame] | 182 | ret = PyEval_CallObject(conn->context->verify_callback, argv); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 183 | Py_DECREF(argv); |
| 184 | |
Jean-Paul Calderone | ac0d95f | 2008-03-10 00:00:42 -0400 | [diff] [blame] | 185 | if (ret != NULL && PyObject_IsTrue(ret)) { |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 186 | X509_STORE_CTX_set_error(x509_ctx, X509_V_OK); |
Jean-Paul Calderone | ac0d95f | 2008-03-10 00:00:42 -0400 | [diff] [blame] | 187 | Py_DECREF(ret); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 188 | c_ret = 1; |
Jean-Paul Calderone | ac0d95f | 2008-03-10 00:00:42 -0400 | [diff] [blame] | 189 | } else { |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 190 | c_ret = 0; |
Jean-Paul Calderone | ac0d95f | 2008-03-10 00:00:42 -0400 | [diff] [blame] | 191 | } |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 192 | |
Jean-Paul Calderone | 26aea02 | 2008-09-21 18:47:06 -0400 | [diff] [blame] | 193 | MY_BEGIN_ALLOW_THREADS(conn->tstate); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 194 | return c_ret; |
| 195 | } |
| 196 | |
| 197 | /* |
Jean-Paul Calderone | 5ef8651 | 2008-04-26 19:06:28 -0400 | [diff] [blame] | 198 | * Globally defined info callback. This is called from OpenSSL internally. |
| 199 | * The GIL will not be held when this function is invoked. It must not be held |
| 200 | * when the function returns. |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 201 | * |
| 202 | * Arguments: ssl - The Connection |
| 203 | * where - The part of the SSL code that called us |
| 204 | * _ret - The return code of the SSL function that called us |
| 205 | * Returns: None |
| 206 | */ |
| 207 | static void |
Jean-Paul Calderone | 28ebb30 | 2008-12-29 16:25:30 -0500 | [diff] [blame] | 208 | global_info_callback(const SSL *ssl, int where, int _ret) |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 209 | { |
| 210 | ssl_ConnectionObj *conn = (ssl_ConnectionObj *)SSL_get_app_data(ssl); |
| 211 | PyObject *argv, *ret; |
| 212 | |
Jean-Paul Calderone | 5ef8651 | 2008-04-26 19:06:28 -0400 | [diff] [blame] | 213 | /* |
| 214 | * GIL isn't held yet. First things first - acquire it, or any Python API |
| 215 | * we invoke might segfault or blow up the sun. The reverse will be done |
| 216 | * before returning. |
| 217 | */ |
| 218 | MY_END_ALLOW_THREADS(conn->tstate); |
| 219 | |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 220 | argv = Py_BuildValue("(Oii)", (PyObject *)conn, where, _ret); |
Jean-Paul Calderone | 5ef8651 | 2008-04-26 19:06:28 -0400 | [diff] [blame] | 221 | ret = PyEval_CallObject(conn->context->info_callback, argv); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 222 | Py_DECREF(argv); |
| 223 | |
Jean-Paul Calderone | 5ef8651 | 2008-04-26 19:06:28 -0400 | [diff] [blame] | 224 | if (ret == NULL) { |
| 225 | /* |
| 226 | * XXX - This should be reported somehow. -exarkun |
| 227 | */ |
| 228 | PyErr_Clear(); |
| 229 | } else { |
| 230 | Py_DECREF(ret); |
| 231 | } |
| 232 | |
| 233 | /* |
| 234 | * This function is returning into OpenSSL. Release the GIL again. |
| 235 | */ |
| 236 | MY_BEGIN_ALLOW_THREADS(conn->tstate); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 237 | return; |
| 238 | } |
| 239 | |
Jean-Paul Calderone | 9f2e38e | 2011-04-14 09:36:55 -0400 | [diff] [blame] | 240 | /* |
Jean-Paul Calderone | c4cb658 | 2011-05-26 18:47:00 -0400 | [diff] [blame] | 241 | * Globally defined TLS extension server name callback. This is called from |
| 242 | * OpenSSL internally. The GIL will not be held when this function is invoked. |
| 243 | * It must not be held when the function returns. |
| 244 | * |
| 245 | * ssl represents the connection this callback is for |
| 246 | * |
| 247 | * alert is a pointer to the alert value which maybe will be emitted to the |
| 248 | * client if there is an error handling the client hello (which contains the |
| 249 | * server name). This is an out parameter, maybe. |
| 250 | * |
| 251 | * arg is an arbitrary pointer specified by SSL_CTX_set_tlsext_servername_arg. |
| 252 | * It will be NULL for all pyOpenSSL uses. |
| 253 | */ |
| 254 | static int |
| 255 | global_tlsext_servername_callback(const SSL *ssl, int *alert, void *arg) { |
| 256 | int result = 0; |
| 257 | PyObject *argv, *ret; |
| 258 | ssl_ConnectionObj *conn = (ssl_ConnectionObj *)SSL_get_app_data(ssl); |
| 259 | |
| 260 | /* |
| 261 | * GIL isn't held yet. First things first - acquire it, or any Python API |
| 262 | * we invoke might segfault or blow up the sun. The reverse will be done |
| 263 | * before returning. |
| 264 | */ |
| 265 | MY_END_ALLOW_THREADS(conn->tstate); |
| 266 | |
| 267 | argv = Py_BuildValue("(O)", (PyObject *)conn); |
| 268 | ret = PyEval_CallObject(conn->context->tlsext_servername_callback, argv); |
| 269 | Py_DECREF(argv); |
| 270 | Py_DECREF(ret); |
| 271 | |
| 272 | /* |
| 273 | * This function is returning into OpenSSL. Release the GIL again. |
| 274 | */ |
| 275 | MY_BEGIN_ALLOW_THREADS(conn->tstate); |
| 276 | return result; |
| 277 | } |
| 278 | |
| 279 | /* |
Jean-Paul Calderone | 9f2e38e | 2011-04-14 09:36:55 -0400 | [diff] [blame] | 280 | * More recent builds of OpenSSL may have SSLv2 completely disabled. |
| 281 | */ |
| 282 | #ifdef OPENSSL_NO_SSL2 |
| 283 | #define SSLv2_METHOD_TEXT "" |
| 284 | #else |
| 285 | #define SSLv2_METHOD_TEXT "SSLv2_METHOD, " |
| 286 | #endif |
| 287 | |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 288 | |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 289 | static char ssl_Context_doc[] = "\n\ |
| 290 | Context(method) -> Context instance\n\ |
| 291 | \n\ |
| 292 | OpenSSL.SSL.Context instances define the parameters for setting up new SSL\n\ |
| 293 | connections.\n\ |
| 294 | \n\ |
Jean-Paul Calderone | 9f2e38e | 2011-04-14 09:36:55 -0400 | [diff] [blame] | 295 | @param method: One of " SSLv2_METHOD_TEXT "SSLv3_METHOD, SSLv23_METHOD, or\n\ |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 296 | TLSv1_METHOD.\n\ |
| 297 | "; |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 298 | |
Jean-Paul Calderone | 9f2e38e | 2011-04-14 09:36:55 -0400 | [diff] [blame] | 299 | #undef SSLv2_METHOD_TEXT |
| 300 | |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 301 | static char ssl_Context_load_verify_locations_doc[] = "\n\ |
| 302 | Let SSL know where we can find trusted certificates for the certificate\n\ |
| 303 | chain\n\ |
| 304 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 305 | @param cafile: In which file we can find the certificates\n\ |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 306 | @param capath: In which directory we can find the certificates\n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 307 | @return: None\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 308 | "; |
| 309 | static PyObject * |
Jean-Paul Calderone | 1cb5d02 | 2008-09-07 20:58:50 -0400 | [diff] [blame] | 310 | ssl_Context_load_verify_locations(ssl_ContextObj *self, PyObject *args) { |
| 311 | char *cafile = NULL; |
| 312 | char *capath = NULL; |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 313 | |
Jean-Paul Calderone | 1cb5d02 | 2008-09-07 20:58:50 -0400 | [diff] [blame] | 314 | if (!PyArg_ParseTuple(args, "z|z:load_verify_locations", &cafile, &capath)) { |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 315 | return NULL; |
Jean-Paul Calderone | 1cb5d02 | 2008-09-07 20:58:50 -0400 | [diff] [blame] | 316 | } |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 317 | |
Jean-Paul Calderone | 1cb5d02 | 2008-09-07 20:58:50 -0400 | [diff] [blame] | 318 | if (!SSL_CTX_load_verify_locations(self->ctx, cafile, capath)) |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 319 | { |
Rick Dean | d369c93 | 2009-07-08 11:48:33 -0500 | [diff] [blame] | 320 | exception_from_error_queue(ssl_Error); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 321 | return NULL; |
| 322 | } |
| 323 | else |
| 324 | { |
| 325 | Py_INCREF(Py_None); |
| 326 | return Py_None; |
| 327 | } |
| 328 | } |
| 329 | |
Jean-Paul Calderone | 1cb5d02 | 2008-09-07 20:58:50 -0400 | [diff] [blame] | 330 | static char ssl_Context_set_default_verify_paths_doc[] = "\n\ |
| 331 | Use the platform-specific CA certificate locations\n\ |
| 332 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 333 | @return: None\n\ |
Jean-Paul Calderone | 1cb5d02 | 2008-09-07 20:58:50 -0400 | [diff] [blame] | 334 | "; |
| 335 | static PyObject * |
| 336 | ssl_Context_set_default_verify_paths(ssl_ContextObj *self, PyObject *args) { |
Jean-Paul Calderone | 9eadb96 | 2008-09-07 21:20:44 -0400 | [diff] [blame] | 337 | if (!PyArg_ParseTuple(args, ":set_default_verify_paths")) { |
| 338 | return NULL; |
| 339 | } |
| 340 | |
Jean-Paul Calderone | 286b192 | 2008-09-07 21:35:38 -0400 | [diff] [blame] | 341 | /* |
| 342 | * XXX Error handling for SSL_CTX_set_default_verify_paths is untested. |
| 343 | * -exarkun |
| 344 | */ |
| 345 | if (!SSL_CTX_set_default_verify_paths(self->ctx)) { |
Rick Dean | d369c93 | 2009-07-08 11:48:33 -0500 | [diff] [blame] | 346 | exception_from_error_queue(ssl_Error); |
Jean-Paul Calderone | 286b192 | 2008-09-07 21:35:38 -0400 | [diff] [blame] | 347 | return NULL; |
| 348 | } |
Jean-Paul Calderone | 1cb5d02 | 2008-09-07 20:58:50 -0400 | [diff] [blame] | 349 | Py_INCREF(Py_None); |
| 350 | return Py_None; |
| 351 | }; |
| 352 | |
| 353 | |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 354 | static char ssl_Context_set_passwd_cb_doc[] = "\n\ |
| 355 | Set the passphrase callback\n\ |
| 356 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 357 | @param callback: The Python callback to use\n\ |
| 358 | @param userdata: (optional) A Python object which will be given as\n\ |
| 359 | argument to the callback\n\ |
| 360 | @return: None\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 361 | "; |
| 362 | static PyObject * |
| 363 | ssl_Context_set_passwd_cb(ssl_ContextObj *self, PyObject *args) |
| 364 | { |
| 365 | PyObject *callback = NULL, *userdata = Py_None; |
| 366 | |
| 367 | if (!PyArg_ParseTuple(args, "O|O:set_passwd_cb", &callback, &userdata)) |
| 368 | return NULL; |
| 369 | |
| 370 | if (!PyCallable_Check(callback)) |
| 371 | { |
| 372 | PyErr_SetString(PyExc_TypeError, "expected PyCallable"); |
| 373 | return NULL; |
| 374 | } |
| 375 | |
| 376 | Py_DECREF(self->passphrase_callback); |
| 377 | Py_INCREF(callback); |
| 378 | self->passphrase_callback = callback; |
| 379 | SSL_CTX_set_default_passwd_cb(self->ctx, global_passphrase_callback); |
| 380 | |
| 381 | Py_DECREF(self->passphrase_userdata); |
| 382 | Py_INCREF(userdata); |
| 383 | self->passphrase_userdata = userdata; |
| 384 | SSL_CTX_set_default_passwd_cb_userdata(self->ctx, (void *)self); |
| 385 | |
| 386 | Py_INCREF(Py_None); |
| 387 | return Py_None; |
| 388 | } |
| 389 | |
Ziga Seilnacht | 6079e37 | 2009-08-31 20:52:30 +0200 | [diff] [blame] | 390 | static PyTypeObject * |
Jean-Paul Calderone | 6e2b685 | 2009-10-24 14:04:30 -0400 | [diff] [blame] | 391 | type_modified_error(const char *name) { |
Ziga Seilnacht | 6079e37 | 2009-08-31 20:52:30 +0200 | [diff] [blame] | 392 | PyErr_Format(PyExc_RuntimeError, |
| 393 | "OpenSSL.crypto's '%s' attribute has been modified", |
| 394 | name); |
| 395 | return NULL; |
| 396 | } |
| 397 | |
| 398 | static PyTypeObject * |
Jean-Paul Calderone | 6e2b685 | 2009-10-24 14:04:30 -0400 | [diff] [blame] | 399 | import_crypto_type(const char *name, size_t objsize) { |
Ziga Seilnacht | fdeadb1 | 2009-09-01 16:35:50 +0200 | [diff] [blame] | 400 | PyObject *module, *type, *name_attr; |
Ziga Seilnacht | 6079e37 | 2009-08-31 20:52:30 +0200 | [diff] [blame] | 401 | PyTypeObject *res; |
Ziga Seilnacht | fdeadb1 | 2009-09-01 16:35:50 +0200 | [diff] [blame] | 402 | int right_name; |
Ziga Seilnacht | 6079e37 | 2009-08-31 20:52:30 +0200 | [diff] [blame] | 403 | |
Ziga Seilnacht | fdeadb1 | 2009-09-01 16:35:50 +0200 | [diff] [blame] | 404 | module = PyImport_ImportModule("OpenSSL.crypto"); |
Ziga Seilnacht | 6079e37 | 2009-08-31 20:52:30 +0200 | [diff] [blame] | 405 | if (module == NULL) { |
| 406 | return NULL; |
| 407 | } |
Jean-Paul Calderone | 6e2b685 | 2009-10-24 14:04:30 -0400 | [diff] [blame] | 408 | type = PyObject_GetAttrString(module, (PYOBJECT_GETATTRSTRING_TYPE)name); |
Ziga Seilnacht | 6079e37 | 2009-08-31 20:52:30 +0200 | [diff] [blame] | 409 | Py_DECREF(module); |
| 410 | if (type == NULL) { |
| 411 | return NULL; |
| 412 | } |
| 413 | if (!(PyType_Check(type))) { |
| 414 | Py_DECREF(type); |
| 415 | return type_modified_error(name); |
| 416 | } |
Ziga Seilnacht | fdeadb1 | 2009-09-01 16:35:50 +0200 | [diff] [blame] | 417 | name_attr = PyObject_GetAttrString(type, "__name__"); |
| 418 | if (name_attr == NULL) { |
| 419 | Py_DECREF(type); |
| 420 | return NULL; |
| 421 | } |
Jean-Paul Calderone | b6d7525 | 2010-08-11 23:55:45 -0400 | [diff] [blame] | 422 | |
| 423 | #ifdef PY3 |
| 424 | { |
| 425 | PyObject* asciiname = PyUnicode_AsASCIIString(name_attr); |
| 426 | Py_DECREF(name_attr); |
| 427 | name_attr = asciiname; |
| 428 | } |
| 429 | #endif |
Jean-Paul Calderone | 9e4eeae | 2010-08-22 21:32:52 -0400 | [diff] [blame] | 430 | right_name = (PyBytes_CheckExact(name_attr) && |
Jean-Paul Calderone | b6d7525 | 2010-08-11 23:55:45 -0400 | [diff] [blame] | 431 | strcmp(name, PyBytes_AsString(name_attr)) == 0); |
Ziga Seilnacht | fdeadb1 | 2009-09-01 16:35:50 +0200 | [diff] [blame] | 432 | Py_DECREF(name_attr); |
Ziga Seilnacht | 6079e37 | 2009-08-31 20:52:30 +0200 | [diff] [blame] | 433 | res = (PyTypeObject *)type; |
Ziga Seilnacht | fdeadb1 | 2009-09-01 16:35:50 +0200 | [diff] [blame] | 434 | if (!right_name || res->tp_basicsize != objsize) { |
Ziga Seilnacht | 6079e37 | 2009-08-31 20:52:30 +0200 | [diff] [blame] | 435 | Py_DECREF(type); |
| 436 | return type_modified_error(name); |
| 437 | } |
| 438 | return res; |
| 439 | } |
| 440 | |
Jean-Paul Calderone | d3ada85 | 2008-02-18 21:17:29 -0500 | [diff] [blame] | 441 | static crypto_X509Obj * |
Jean-Paul Calderone | 6e2b685 | 2009-10-24 14:04:30 -0400 | [diff] [blame] | 442 | parse_certificate_argument(const char* format, PyObject* args) { |
Jean-Paul Calderone | d3ada85 | 2008-02-18 21:17:29 -0500 | [diff] [blame] | 443 | static PyTypeObject *crypto_X509_type = NULL; |
| 444 | crypto_X509Obj *cert; |
| 445 | |
Jean-Paul Calderone | 6e2b685 | 2009-10-24 14:04:30 -0400 | [diff] [blame] | 446 | if (!crypto_X509_type) { |
Ziga Seilnacht | 6079e37 | 2009-08-31 20:52:30 +0200 | [diff] [blame] | 447 | crypto_X509_type = import_crypto_type("X509", sizeof(crypto_X509Obj)); |
Jean-Paul Calderone | 6e2b685 | 2009-10-24 14:04:30 -0400 | [diff] [blame] | 448 | if (!crypto_X509_type) { |
Ziga Seilnacht | 6079e37 | 2009-08-31 20:52:30 +0200 | [diff] [blame] | 449 | return NULL; |
Jean-Paul Calderone | 6e2b685 | 2009-10-24 14:04:30 -0400 | [diff] [blame] | 450 | } |
Jean-Paul Calderone | d3ada85 | 2008-02-18 21:17:29 -0500 | [diff] [blame] | 451 | } |
Ziga Seilnacht | 6079e37 | 2009-08-31 20:52:30 +0200 | [diff] [blame] | 452 | if (!PyArg_ParseTuple(args, (PYARG_PARSETUPLE_FORMAT *)format, |
Jean-Paul Calderone | 6e2b685 | 2009-10-24 14:04:30 -0400 | [diff] [blame] | 453 | crypto_X509_type, &cert)) { |
| 454 | return NULL; |
| 455 | } |
Jean-Paul Calderone | d3ada85 | 2008-02-18 21:17:29 -0500 | [diff] [blame] | 456 | return cert; |
| 457 | } |
| 458 | |
| 459 | static char ssl_Context_add_extra_chain_cert_doc[] = "\n\ |
| 460 | Add certificate to chain\n\ |
| 461 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 462 | @param certobj: The X509 certificate object to add to the chain\n\ |
| 463 | @return: None\n\ |
Jean-Paul Calderone | d3ada85 | 2008-02-18 21:17:29 -0500 | [diff] [blame] | 464 | "; |
| 465 | |
| 466 | static PyObject * |
| 467 | ssl_Context_add_extra_chain_cert(ssl_ContextObj *self, PyObject *args) |
| 468 | { |
Jean-Paul Calderone | 0ce9807 | 2008-02-18 23:22:29 -0500 | [diff] [blame] | 469 | X509* cert_original; |
Jean-Paul Calderone | d3ada85 | 2008-02-18 21:17:29 -0500 | [diff] [blame] | 470 | crypto_X509Obj *cert = parse_certificate_argument( |
Ziga Seilnacht | 6079e37 | 2009-08-31 20:52:30 +0200 | [diff] [blame] | 471 | "O!:add_extra_chain_cert", args); |
Jean-Paul Calderone | 0ce9807 | 2008-02-18 23:22:29 -0500 | [diff] [blame] | 472 | if (cert == NULL) |
| 473 | { |
Jean-Paul Calderone | d3ada85 | 2008-02-18 21:17:29 -0500 | [diff] [blame] | 474 | return NULL; |
| 475 | } |
Jean-Paul Calderone | 0ce9807 | 2008-02-18 23:22:29 -0500 | [diff] [blame] | 476 | if (!(cert_original = X509_dup(cert->x509))) |
Jean-Paul Calderone | d3ada85 | 2008-02-18 21:17:29 -0500 | [diff] [blame] | 477 | { |
Rick Dean | d369c93 | 2009-07-08 11:48:33 -0500 | [diff] [blame] | 478 | /* exception_from_error_queue(ssl_Error); */ |
Jean-Paul Calderone | 0ce9807 | 2008-02-18 23:22:29 -0500 | [diff] [blame] | 479 | PyErr_SetString(PyExc_RuntimeError, "X509_dup failed"); |
| 480 | return NULL; |
| 481 | } |
| 482 | if (!SSL_CTX_add_extra_chain_cert(self->ctx, cert_original)) |
| 483 | { |
| 484 | X509_free(cert_original); |
Rick Dean | d369c93 | 2009-07-08 11:48:33 -0500 | [diff] [blame] | 485 | exception_from_error_queue(ssl_Error); |
Jean-Paul Calderone | d3ada85 | 2008-02-18 21:17:29 -0500 | [diff] [blame] | 486 | return NULL; |
| 487 | } |
| 488 | else |
| 489 | { |
| 490 | Py_INCREF(Py_None); |
| 491 | return Py_None; |
| 492 | } |
| 493 | } |
| 494 | |
| 495 | |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 496 | static char ssl_Context_use_certificate_chain_file_doc[] = "\n\ |
| 497 | Load a certificate chain from a file\n\ |
| 498 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 499 | @param certfile: The name of the certificate chain file\n\ |
| 500 | @return: None\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 501 | "; |
| 502 | static PyObject * |
| 503 | ssl_Context_use_certificate_chain_file(ssl_ContextObj *self, PyObject *args) |
| 504 | { |
| 505 | char *certfile; |
| 506 | |
| 507 | if (!PyArg_ParseTuple(args, "s:use_certificate_chain_file", &certfile)) |
| 508 | return NULL; |
| 509 | |
| 510 | if (!SSL_CTX_use_certificate_chain_file(self->ctx, certfile)) |
| 511 | { |
Rick Dean | d369c93 | 2009-07-08 11:48:33 -0500 | [diff] [blame] | 512 | exception_from_error_queue(ssl_Error); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 513 | return NULL; |
| 514 | } |
| 515 | else |
| 516 | { |
| 517 | Py_INCREF(Py_None); |
| 518 | return Py_None; |
| 519 | } |
| 520 | } |
| 521 | |
| 522 | |
| 523 | static char ssl_Context_use_certificate_file_doc[] = "\n\ |
| 524 | Load a certificate from a file\n\ |
| 525 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 526 | @param certfile: The name of the certificate file\n\ |
| 527 | @param filetype: (optional) The encoding of the file, default is PEM\n\ |
| 528 | @return: None\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 529 | "; |
| 530 | static PyObject * |
| 531 | ssl_Context_use_certificate_file(ssl_ContextObj *self, PyObject *args) |
| 532 | { |
| 533 | char *certfile; |
| 534 | int filetype = SSL_FILETYPE_PEM; |
| 535 | |
| 536 | if (!PyArg_ParseTuple(args, "s|i:use_certificate_file", &certfile, &filetype)) |
| 537 | return NULL; |
| 538 | |
| 539 | if (!SSL_CTX_use_certificate_file(self->ctx, certfile, filetype)) |
| 540 | { |
Rick Dean | d369c93 | 2009-07-08 11:48:33 -0500 | [diff] [blame] | 541 | exception_from_error_queue(ssl_Error); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 542 | return NULL; |
| 543 | } |
| 544 | else |
| 545 | { |
| 546 | Py_INCREF(Py_None); |
| 547 | return Py_None; |
| 548 | } |
| 549 | } |
| 550 | |
| 551 | static char ssl_Context_use_certificate_doc[] = "\n\ |
| 552 | Load a certificate from a X509 object\n\ |
| 553 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 554 | @param cert: The X509 object\n\ |
| 555 | @return: None\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 556 | "; |
| 557 | static PyObject * |
| 558 | ssl_Context_use_certificate(ssl_ContextObj *self, PyObject *args) |
| 559 | { |
Jean-Paul Calderone | d3ada85 | 2008-02-18 21:17:29 -0500 | [diff] [blame] | 560 | crypto_X509Obj *cert = parse_certificate_argument( |
Ziga Seilnacht | 6079e37 | 2009-08-31 20:52:30 +0200 | [diff] [blame] | 561 | "O!:use_certificate", args); |
Jean-Paul Calderone | d3ada85 | 2008-02-18 21:17:29 -0500 | [diff] [blame] | 562 | if (cert == NULL) { |
| 563 | return NULL; |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 564 | } |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 565 | |
| 566 | if (!SSL_CTX_use_certificate(self->ctx, cert->x509)) |
| 567 | { |
Rick Dean | d369c93 | 2009-07-08 11:48:33 -0500 | [diff] [blame] | 568 | exception_from_error_queue(ssl_Error); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 569 | return NULL; |
| 570 | } |
| 571 | else |
| 572 | { |
| 573 | Py_INCREF(Py_None); |
| 574 | return Py_None; |
| 575 | } |
| 576 | } |
| 577 | |
| 578 | static char ssl_Context_use_privatekey_file_doc[] = "\n\ |
| 579 | Load a private key from a file\n\ |
| 580 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 581 | @param keyfile: The name of the key file\n\ |
| 582 | @param filetype: (optional) The encoding of the file, default is PEM\n\ |
| 583 | @return: None\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 584 | "; |
| 585 | static PyObject * |
| 586 | ssl_Context_use_privatekey_file(ssl_ContextObj *self, PyObject *args) |
| 587 | { |
| 588 | char *keyfile; |
| 589 | int filetype = SSL_FILETYPE_PEM, ret; |
| 590 | |
| 591 | if (!PyArg_ParseTuple(args, "s|i:use_privatekey_file", &keyfile, &filetype)) |
| 592 | return NULL; |
| 593 | |
| 594 | MY_BEGIN_ALLOW_THREADS(self->tstate); |
| 595 | ret = SSL_CTX_use_PrivateKey_file(self->ctx, keyfile, filetype); |
| 596 | MY_END_ALLOW_THREADS(self->tstate); |
| 597 | |
| 598 | if (PyErr_Occurred()) |
| 599 | { |
| 600 | flush_error_queue(); |
| 601 | return NULL; |
| 602 | } |
| 603 | |
| 604 | if (!ret) |
| 605 | { |
Rick Dean | d369c93 | 2009-07-08 11:48:33 -0500 | [diff] [blame] | 606 | exception_from_error_queue(ssl_Error); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 607 | return NULL; |
| 608 | } |
| 609 | else |
| 610 | { |
| 611 | Py_INCREF(Py_None); |
| 612 | return Py_None; |
| 613 | } |
| 614 | } |
| 615 | |
| 616 | static char ssl_Context_use_privatekey_doc[] = "\n\ |
| 617 | Load a private key from a PKey object\n\ |
| 618 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 619 | @param pkey: The PKey object\n\ |
| 620 | @return: None\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 621 | "; |
| 622 | static PyObject * |
Jean-Paul Calderone | f606a84 | 2009-10-24 14:08:29 -0400 | [diff] [blame] | 623 | ssl_Context_use_privatekey(ssl_ContextObj *self, PyObject *args) { |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 624 | static PyTypeObject *crypto_PKey_type = NULL; |
| 625 | crypto_PKeyObj *pkey; |
| 626 | |
Jean-Paul Calderone | f606a84 | 2009-10-24 14:08:29 -0400 | [diff] [blame] | 627 | if (!crypto_PKey_type) { |
Ziga Seilnacht | 6079e37 | 2009-08-31 20:52:30 +0200 | [diff] [blame] | 628 | crypto_PKey_type = import_crypto_type("PKey", sizeof(crypto_PKeyObj)); |
Jean-Paul Calderone | f606a84 | 2009-10-24 14:08:29 -0400 | [diff] [blame] | 629 | if (!crypto_PKey_type) { |
Ziga Seilnacht | 6079e37 | 2009-08-31 20:52:30 +0200 | [diff] [blame] | 630 | return NULL; |
Jean-Paul Calderone | f606a84 | 2009-10-24 14:08:29 -0400 | [diff] [blame] | 631 | } |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 632 | } |
Jean-Paul Calderone | f606a84 | 2009-10-24 14:08:29 -0400 | [diff] [blame] | 633 | if (!PyArg_ParseTuple(args, "O!:use_privatekey", crypto_PKey_type, &pkey)) { |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 634 | return NULL; |
Jean-Paul Calderone | f606a84 | 2009-10-24 14:08:29 -0400 | [diff] [blame] | 635 | } |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 636 | |
Jean-Paul Calderone | f606a84 | 2009-10-24 14:08:29 -0400 | [diff] [blame] | 637 | if (!SSL_CTX_use_PrivateKey(self->ctx, pkey->pkey)) { |
Rick Dean | d369c93 | 2009-07-08 11:48:33 -0500 | [diff] [blame] | 638 | exception_from_error_queue(ssl_Error); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 639 | return NULL; |
Jean-Paul Calderone | f606a84 | 2009-10-24 14:08:29 -0400 | [diff] [blame] | 640 | } else { |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 641 | Py_INCREF(Py_None); |
| 642 | return Py_None; |
| 643 | } |
| 644 | } |
| 645 | |
| 646 | static char ssl_Context_check_privatekey_doc[] = "\n\ |
| 647 | Check that the private key and certificate match up\n\ |
| 648 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 649 | @return: None (raises an exception if something's wrong)\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 650 | "; |
| 651 | static PyObject * |
| 652 | ssl_Context_check_privatekey(ssl_ContextObj *self, PyObject *args) |
| 653 | { |
| 654 | if (!PyArg_ParseTuple(args, ":check_privatekey")) |
| 655 | return NULL; |
| 656 | |
| 657 | if (!SSL_CTX_check_private_key(self->ctx)) |
| 658 | { |
Rick Dean | d369c93 | 2009-07-08 11:48:33 -0500 | [diff] [blame] | 659 | exception_from_error_queue(ssl_Error); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 660 | return NULL; |
| 661 | } |
| 662 | else |
| 663 | { |
| 664 | Py_INCREF(Py_None); |
| 665 | return Py_None; |
| 666 | } |
| 667 | } |
| 668 | |
| 669 | static char ssl_Context_load_client_ca_doc[] = "\n\ |
Jean-Paul Calderone | 0294e3d | 2010-09-09 18:17:48 -0400 | [diff] [blame] | 670 | Load the trusted certificates that will be sent to the client (basically\n \ |
| 671 | telling the client \"These are the guys I trust\"). Does not actually\n\ |
| 672 | imply any of the certificates are trusted; that must be configured\n\ |
| 673 | separately.\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 674 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 675 | @param cafile: The name of the certificates file\n\ |
| 676 | @return: None\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 677 | "; |
| 678 | static PyObject * |
| 679 | ssl_Context_load_client_ca(ssl_ContextObj *self, PyObject *args) |
| 680 | { |
| 681 | char *cafile; |
| 682 | |
| 683 | if (!PyArg_ParseTuple(args, "s:load_client_ca", &cafile)) |
| 684 | return NULL; |
| 685 | |
| 686 | SSL_CTX_set_client_CA_list(self->ctx, SSL_load_client_CA_file(cafile)); |
| 687 | |
| 688 | Py_INCREF(Py_None); |
| 689 | return Py_None; |
| 690 | } |
| 691 | |
| 692 | static char ssl_Context_set_session_id_doc[] = "\n\ |
| 693 | Set the session identifier, this is needed if you want to do session\n\ |
| 694 | resumption (which, ironically, isn't implemented yet)\n\ |
| 695 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 696 | @param buf: A Python object that can be safely converted to a string\n\ |
| 697 | @returns: None\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 698 | "; |
| 699 | static PyObject * |
| 700 | ssl_Context_set_session_id(ssl_ContextObj *self, PyObject *args) |
| 701 | { |
Jean-Paul Calderone | 28ebb30 | 2008-12-29 16:25:30 -0500 | [diff] [blame] | 702 | unsigned char *buf; |
| 703 | unsigned int len; |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 704 | |
| 705 | if (!PyArg_ParseTuple(args, "s#:set_session_id", &buf, &len)) |
| 706 | return NULL; |
| 707 | |
| 708 | if (!SSL_CTX_set_session_id_context(self->ctx, buf, len)) |
| 709 | { |
Rick Dean | d369c93 | 2009-07-08 11:48:33 -0500 | [diff] [blame] | 710 | exception_from_error_queue(ssl_Error); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 711 | return NULL; |
| 712 | } |
| 713 | else |
| 714 | { |
| 715 | Py_INCREF(Py_None); |
| 716 | return Py_None; |
| 717 | } |
| 718 | } |
| 719 | |
| 720 | static char ssl_Context_set_verify_doc[] = "\n\ |
| 721 | Set the verify mode and verify callback\n\ |
| 722 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 723 | @param mode: The verify mode, this is either VERIFY_NONE or\n\ |
| 724 | VERIFY_PEER combined with possible other flags\n\ |
| 725 | @param callback: The Python callback to use\n\ |
| 726 | @return: None\n\ |
Jean-Paul Calderone | 24aedf4 | 2008-03-06 22:01:16 -0500 | [diff] [blame] | 727 | \n\ |
| 728 | See SSL_CTX_set_verify(3SSL) for further details.\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 729 | "; |
| 730 | static PyObject * |
| 731 | ssl_Context_set_verify(ssl_ContextObj *self, PyObject *args) |
| 732 | { |
| 733 | int mode; |
| 734 | PyObject *callback = NULL; |
| 735 | |
| 736 | if (!PyArg_ParseTuple(args, "iO:set_verify", &mode, &callback)) |
| 737 | return NULL; |
| 738 | |
| 739 | if (!PyCallable_Check(callback)) |
| 740 | { |
| 741 | PyErr_SetString(PyExc_TypeError, "expected PyCallable"); |
| 742 | return NULL; |
| 743 | } |
| 744 | |
| 745 | Py_DECREF(self->verify_callback); |
| 746 | Py_INCREF(callback); |
| 747 | self->verify_callback = callback; |
| 748 | SSL_CTX_set_verify(self->ctx, mode, global_verify_callback); |
| 749 | |
| 750 | Py_INCREF(Py_None); |
| 751 | return Py_None; |
| 752 | } |
| 753 | |
| 754 | static char ssl_Context_set_verify_depth_doc[] = "\n\ |
| 755 | Set the verify depth\n\ |
| 756 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 757 | @param depth: An integer specifying the verify depth\n\ |
| 758 | @return: None\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 759 | "; |
| 760 | static PyObject * |
| 761 | ssl_Context_set_verify_depth(ssl_ContextObj *self, PyObject *args) |
| 762 | { |
| 763 | int depth; |
| 764 | |
| 765 | if (!PyArg_ParseTuple(args, "i:set_verify_depth", &depth)) |
| 766 | return NULL; |
| 767 | |
| 768 | SSL_CTX_set_verify_depth(self->ctx, depth); |
| 769 | Py_INCREF(Py_None); |
| 770 | return Py_None; |
| 771 | } |
| 772 | |
| 773 | static char ssl_Context_get_verify_mode_doc[] = "\n\ |
| 774 | Get the verify mode\n\ |
| 775 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 776 | @return: The verify mode\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 777 | "; |
| 778 | static PyObject * |
| 779 | ssl_Context_get_verify_mode(ssl_ContextObj *self, PyObject *args) |
| 780 | { |
| 781 | int mode; |
| 782 | |
| 783 | if (!PyArg_ParseTuple(args, ":get_verify_mode")) |
| 784 | return NULL; |
| 785 | |
| 786 | mode = SSL_CTX_get_verify_mode(self->ctx); |
Jean-Paul Calderone | 83dbcfd | 2010-08-11 20:20:57 -0400 | [diff] [blame] | 787 | return PyLong_FromLong((long)mode); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 788 | } |
| 789 | |
| 790 | static char ssl_Context_get_verify_depth_doc[] = "\n\ |
| 791 | Get the verify depth\n\ |
| 792 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 793 | @return: The verify depth\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 794 | "; |
| 795 | static PyObject * |
| 796 | ssl_Context_get_verify_depth(ssl_ContextObj *self, PyObject *args) |
| 797 | { |
| 798 | int depth; |
| 799 | |
| 800 | if (!PyArg_ParseTuple(args, ":get_verify_depth")) |
| 801 | return NULL; |
| 802 | |
| 803 | depth = SSL_CTX_get_verify_depth(self->ctx); |
Jean-Paul Calderone | 83dbcfd | 2010-08-11 20:20:57 -0400 | [diff] [blame] | 804 | return PyLong_FromLong((long)depth); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 805 | } |
| 806 | |
| 807 | static char ssl_Context_load_tmp_dh_doc[] = "\n\ |
| 808 | Load parameters for Ephemeral Diffie-Hellman\n\ |
| 809 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 810 | @param dhfile: The file to load EDH parameters from\n\ |
| 811 | @return: None\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 812 | "; |
| 813 | static PyObject * |
| 814 | ssl_Context_load_tmp_dh(ssl_ContextObj *self, PyObject *args) |
| 815 | { |
| 816 | char *dhfile; |
| 817 | BIO *bio; |
| 818 | DH *dh; |
| 819 | |
| 820 | if (!PyArg_ParseTuple(args, "s:load_tmp_dh", &dhfile)) |
| 821 | return NULL; |
| 822 | |
| 823 | bio = BIO_new_file(dhfile, "r"); |
Jean-Paul Calderone | 6ace478 | 2010-09-09 18:43:40 -0400 | [diff] [blame] | 824 | if (bio == NULL) { |
| 825 | exception_from_error_queue(ssl_Error); |
| 826 | return NULL; |
| 827 | } |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 828 | |
| 829 | dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL); |
| 830 | SSL_CTX_set_tmp_dh(self->ctx, dh); |
| 831 | DH_free(dh); |
| 832 | BIO_free(bio); |
| 833 | |
| 834 | Py_INCREF(Py_None); |
| 835 | return Py_None; |
| 836 | } |
| 837 | |
| 838 | static char ssl_Context_set_cipher_list_doc[] = "\n\ |
| 839 | Change the cipher list\n\ |
| 840 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 841 | @param cipher_list: A cipher list, see ciphers(1)\n\ |
| 842 | @return: None\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 843 | "; |
| 844 | static PyObject * |
| 845 | ssl_Context_set_cipher_list(ssl_ContextObj *self, PyObject *args) |
| 846 | { |
| 847 | char *cipher_list; |
| 848 | |
| 849 | if (!PyArg_ParseTuple(args, "s:set_cipher_list", &cipher_list)) |
| 850 | return NULL; |
| 851 | |
| 852 | if (!SSL_CTX_set_cipher_list(self->ctx, cipher_list)) |
| 853 | { |
Rick Dean | d369c93 | 2009-07-08 11:48:33 -0500 | [diff] [blame] | 854 | exception_from_error_queue(ssl_Error); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 855 | return NULL; |
| 856 | } |
| 857 | else |
| 858 | { |
| 859 | Py_INCREF(Py_None); |
| 860 | return Py_None; |
| 861 | } |
| 862 | } |
| 863 | |
Ziga Seilnacht | f93bf10 | 2009-10-23 09:51:07 +0200 | [diff] [blame] | 864 | static char ssl_Context_set_client_ca_list_doc[] = "\n\ |
Ziga Seilnacht | 679c426 | 2009-09-01 01:32:29 +0200 | [diff] [blame] | 865 | Set the list of preferred client certificate signers for this server context.\n\ |
| 866 | \n\ |
| 867 | This list of certificate authorities will be sent to the client when the\n\ |
| 868 | server requests a client certificate.\n\ |
| 869 | \n\ |
| 870 | @param certificate_authorities: a sequence of X509Names.\n\ |
| 871 | @return: None\n\ |
| 872 | "; |
| 873 | |
| 874 | static PyObject * |
Ziga Seilnacht | f93bf10 | 2009-10-23 09:51:07 +0200 | [diff] [blame] | 875 | ssl_Context_set_client_ca_list(ssl_ContextObj *self, PyObject *args) |
Ziga Seilnacht | 679c426 | 2009-09-01 01:32:29 +0200 | [diff] [blame] | 876 | { |
| 877 | static PyTypeObject *X509NameType; |
| 878 | PyObject *sequence, *tuple, *item; |
| 879 | crypto_X509NameObj *name; |
| 880 | X509_NAME *sslname; |
| 881 | STACK_OF(X509_NAME) *CANames; |
| 882 | Py_ssize_t length; |
| 883 | int i; |
| 884 | |
| 885 | if (X509NameType == NULL) { |
| 886 | X509NameType = import_crypto_type("X509Name", sizeof(crypto_X509NameObj)); |
| 887 | if (X509NameType == NULL) { |
| 888 | return NULL; |
| 889 | } |
| 890 | } |
Ziga Seilnacht | f93bf10 | 2009-10-23 09:51:07 +0200 | [diff] [blame] | 891 | if (!PyArg_ParseTuple(args, "O:set_client_ca_list", &sequence)) { |
Ziga Seilnacht | 679c426 | 2009-09-01 01:32:29 +0200 | [diff] [blame] | 892 | return NULL; |
| 893 | } |
| 894 | tuple = PySequence_Tuple(sequence); |
| 895 | if (tuple == NULL) { |
| 896 | return NULL; |
| 897 | } |
| 898 | length = PyTuple_Size(tuple); |
| 899 | if (length >= INT_MAX) { |
| 900 | PyErr_SetString(PyExc_ValueError, "client CA list is too long"); |
| 901 | Py_DECREF(tuple); |
| 902 | return NULL; |
| 903 | } |
| 904 | CANames = sk_X509_NAME_new_null(); |
| 905 | if (CANames == NULL) { |
| 906 | Py_DECREF(tuple); |
| 907 | exception_from_error_queue(ssl_Error); |
| 908 | return NULL; |
| 909 | } |
| 910 | for (i = 0; i < length; i++) { |
| 911 | item = PyTuple_GetItem(tuple, i); |
| 912 | if (item->ob_type != X509NameType) { |
| 913 | PyErr_Format(PyExc_TypeError, |
| 914 | "client CAs must be X509Name objects, not %s objects", |
| 915 | item->ob_type->tp_name); |
| 916 | sk_X509_NAME_free(CANames); |
| 917 | Py_DECREF(tuple); |
| 918 | return NULL; |
| 919 | } |
| 920 | name = (crypto_X509NameObj *)item; |
| 921 | sslname = X509_NAME_dup(name->x509_name); |
| 922 | if (sslname == NULL) { |
| 923 | sk_X509_NAME_free(CANames); |
| 924 | Py_DECREF(tuple); |
| 925 | exception_from_error_queue(ssl_Error); |
| 926 | return NULL; |
| 927 | } |
| 928 | if (!sk_X509_NAME_push(CANames, sslname)) { |
| 929 | X509_NAME_free(sslname); |
| 930 | sk_X509_NAME_free(CANames); |
| 931 | Py_DECREF(tuple); |
| 932 | exception_from_error_queue(ssl_Error); |
| 933 | return NULL; |
| 934 | } |
| 935 | } |
| 936 | Py_DECREF(tuple); |
| 937 | SSL_CTX_set_client_CA_list(self->ctx, CANames); |
| 938 | Py_INCREF(Py_None); |
| 939 | return Py_None; |
| 940 | } |
| 941 | |
Ziga Seilnacht | f93bf10 | 2009-10-23 09:51:07 +0200 | [diff] [blame] | 942 | static char ssl_Context_add_client_ca_doc[] = "\n\ |
Ziga Seilnacht | 679c426 | 2009-09-01 01:32:29 +0200 | [diff] [blame] | 943 | Add the CA certificate to the list of preferred signers for this context.\n\ |
| 944 | \n\ |
| 945 | The list of certificate authorities will be sent to the client when the\n\ |
| 946 | server requests a client certificate.\n\ |
| 947 | \n\ |
| 948 | @param certificate_authority: certificate authority's X509 certificate.\n\ |
| 949 | @return: None\n\ |
| 950 | "; |
| 951 | |
| 952 | static PyObject * |
Ziga Seilnacht | f93bf10 | 2009-10-23 09:51:07 +0200 | [diff] [blame] | 953 | ssl_Context_add_client_ca(ssl_ContextObj *self, PyObject *args) |
Ziga Seilnacht | 679c426 | 2009-09-01 01:32:29 +0200 | [diff] [blame] | 954 | { |
| 955 | crypto_X509Obj *cert; |
| 956 | |
Ziga Seilnacht | f93bf10 | 2009-10-23 09:51:07 +0200 | [diff] [blame] | 957 | cert = parse_certificate_argument("O!:add_client_ca", args); |
Ziga Seilnacht | 679c426 | 2009-09-01 01:32:29 +0200 | [diff] [blame] | 958 | if (cert == NULL) { |
| 959 | return NULL; |
| 960 | } |
| 961 | if (!SSL_CTX_add_client_CA(self->ctx, cert->x509)) { |
| 962 | exception_from_error_queue(ssl_Error); |
| 963 | return NULL; |
| 964 | } |
| 965 | Py_INCREF(Py_None); |
| 966 | return Py_None; |
| 967 | } |
| 968 | |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 969 | static char ssl_Context_set_timeout_doc[] = "\n\ |
| 970 | Set session timeout\n\ |
| 971 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 972 | @param timeout: The timeout in seconds\n\ |
| 973 | @return: The previous session timeout\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 974 | "; |
| 975 | static PyObject * |
| 976 | ssl_Context_set_timeout(ssl_ContextObj *self, PyObject *args) |
| 977 | { |
| 978 | long t, ret; |
| 979 | |
| 980 | if (!PyArg_ParseTuple(args, "l:set_timeout", &t)) |
| 981 | return NULL; |
| 982 | |
| 983 | ret = SSL_CTX_set_timeout(self->ctx, t); |
| 984 | return PyLong_FromLong(ret); |
| 985 | } |
| 986 | |
| 987 | static char ssl_Context_get_timeout_doc[] = "\n\ |
| 988 | Get the session timeout\n\ |
| 989 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 990 | @return: The session timeout\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 991 | "; |
| 992 | static PyObject * |
| 993 | ssl_Context_get_timeout(ssl_ContextObj *self, PyObject *args) |
| 994 | { |
| 995 | long ret; |
| 996 | |
| 997 | if (!PyArg_ParseTuple(args, ":get_timeout")) |
| 998 | return NULL; |
| 999 | |
| 1000 | ret = SSL_CTX_get_timeout(self->ctx); |
| 1001 | return PyLong_FromLong(ret); |
| 1002 | } |
| 1003 | |
| 1004 | static char ssl_Context_set_info_callback_doc[] = "\n\ |
| 1005 | Set the info callback\n\ |
| 1006 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 1007 | @param callback: The Python callback to use\n\ |
| 1008 | @return: None\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1009 | "; |
| 1010 | static PyObject * |
| 1011 | ssl_Context_set_info_callback(ssl_ContextObj *self, PyObject *args) |
| 1012 | { |
| 1013 | PyObject *callback; |
| 1014 | |
| 1015 | if (!PyArg_ParseTuple(args, "O:set_info_callback", &callback)) |
| 1016 | return NULL; |
| 1017 | |
| 1018 | if (!PyCallable_Check(callback)) |
| 1019 | { |
| 1020 | PyErr_SetString(PyExc_TypeError, "expected PyCallable"); |
| 1021 | return NULL; |
| 1022 | } |
| 1023 | |
| 1024 | Py_DECREF(self->info_callback); |
| 1025 | Py_INCREF(callback); |
| 1026 | self->info_callback = callback; |
| 1027 | SSL_CTX_set_info_callback(self->ctx, global_info_callback); |
| 1028 | |
| 1029 | Py_INCREF(Py_None); |
| 1030 | return Py_None; |
| 1031 | } |
| 1032 | |
| 1033 | static char ssl_Context_get_app_data_doc[] = "\n\ |
| 1034 | Get the application data (supplied via set_app_data())\n\ |
| 1035 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 1036 | @return: The application data\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1037 | "; |
| 1038 | static PyObject * |
| 1039 | ssl_Context_get_app_data(ssl_ContextObj *self, PyObject *args) |
| 1040 | { |
| 1041 | if (!PyArg_ParseTuple(args, ":get_app_data")) |
| 1042 | return NULL; |
| 1043 | |
| 1044 | Py_INCREF(self->app_data); |
| 1045 | return self->app_data; |
| 1046 | } |
| 1047 | |
| 1048 | static char ssl_Context_set_app_data_doc[] = "\n\ |
| 1049 | Set the application data (will be returned from get_app_data())\n\ |
| 1050 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 1051 | @param data: Any Python object\n\ |
| 1052 | @return: None\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1053 | "; |
| 1054 | static PyObject * |
| 1055 | ssl_Context_set_app_data(ssl_ContextObj *self, PyObject *args) |
| 1056 | { |
| 1057 | PyObject *data; |
| 1058 | |
| 1059 | if (!PyArg_ParseTuple(args, "O:set_app_data", &data)) |
| 1060 | return NULL; |
| 1061 | |
| 1062 | Py_DECREF(self->app_data); |
| 1063 | Py_INCREF(data); |
| 1064 | self->app_data = data; |
| 1065 | |
| 1066 | Py_INCREF(Py_None); |
| 1067 | return Py_None; |
| 1068 | } |
| 1069 | |
| 1070 | static char ssl_Context_get_cert_store_doc[] = "\n\ |
| 1071 | Get the certificate store for the context\n\ |
| 1072 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 1073 | @return: A X509Store object\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1074 | "; |
| 1075 | static PyObject * |
| 1076 | ssl_Context_get_cert_store(ssl_ContextObj *self, PyObject *args) |
| 1077 | { |
| 1078 | X509_STORE *store; |
| 1079 | |
| 1080 | if (!PyArg_ParseTuple(args, ":get_cert_store")) |
| 1081 | return NULL; |
| 1082 | |
| 1083 | if ((store = SSL_CTX_get_cert_store(self->ctx)) == NULL) |
| 1084 | { |
| 1085 | Py_INCREF(Py_None); |
| 1086 | return Py_None; |
| 1087 | } |
| 1088 | else |
| 1089 | { |
Jean-Paul Calderone | 1e9312e | 2010-10-31 21:26:18 -0400 | [diff] [blame] | 1090 | return (PyObject *)new_x509store(store, 0); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1091 | } |
| 1092 | } |
| 1093 | |
| 1094 | static char ssl_Context_set_options_doc[] = "\n\ |
| 1095 | Add options. Options set before are not cleared!\n\ |
| 1096 | \n\ |
Jean-Paul Calderone | 54bcc83 | 2009-05-27 14:06:48 -0400 | [diff] [blame] | 1097 | @param options: The options to add.\n\ |
| 1098 | @return: The new option bitmask.\n\ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1099 | "; |
| 1100 | static PyObject * |
| 1101 | ssl_Context_set_options(ssl_ContextObj *self, PyObject *args) |
| 1102 | { |
| 1103 | long options; |
| 1104 | |
| 1105 | if (!PyArg_ParseTuple(args, "l:set_options", &options)) |
| 1106 | return NULL; |
| 1107 | |
Jean-Paul Calderone | 83dbcfd | 2010-08-11 20:20:57 -0400 | [diff] [blame] | 1108 | return PyLong_FromLong(SSL_CTX_set_options(self->ctx, options)); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1109 | } |
| 1110 | |
Jean-Paul Calderone | c4cb658 | 2011-05-26 18:47:00 -0400 | [diff] [blame] | 1111 | static char ssl_Context_set_tlsext_servername_callback_doc[] = "\n\ |
| 1112 | Specify a callback function to be called when clients specify a server name.\n\ |
| 1113 | \n\ |
| 1114 | @param callback: The callback function. It will be invoked with one\n\ |
| 1115 | argument, the Connection instance.\n\ |
| 1116 | \n\ |
| 1117 | "; |
| 1118 | static PyObject * |
| 1119 | ssl_Context_set_tlsext_servername_callback(ssl_ContextObj *self, PyObject *args) { |
| 1120 | PyObject *callback; |
| 1121 | PyObject *old; |
| 1122 | |
| 1123 | if (!PyArg_ParseTuple(args, "O:set_tlsext_servername_callback", &callback)) { |
| 1124 | return NULL; |
| 1125 | } |
| 1126 | |
| 1127 | Py_INCREF(callback); |
| 1128 | old = self->tlsext_servername_callback; |
| 1129 | self->tlsext_servername_callback = callback; |
| 1130 | Py_DECREF(old); |
| 1131 | |
| 1132 | SSL_CTX_set_tlsext_servername_callback(self->ctx, global_tlsext_servername_callback); |
| 1133 | SSL_CTX_set_tlsext_servername_arg(self->ctx, NULL); |
| 1134 | |
| 1135 | Py_INCREF(Py_None); |
| 1136 | return Py_None; |
| 1137 | } |
| 1138 | |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1139 | |
| 1140 | /* |
| 1141 | * Member methods in the Context object |
| 1142 | * ADD_METHOD(name) expands to a correct PyMethodDef declaration |
| 1143 | * { 'name', (PyCFunction)ssl_Context_name, METH_VARARGS } |
| 1144 | * for convenience |
| 1145 | * ADD_ALIAS(name,real) creates an "alias" of the ssl_Context_real |
| 1146 | * function with the name 'name' |
| 1147 | */ |
| 1148 | #define ADD_METHOD(name) { #name, (PyCFunction)ssl_Context_##name, METH_VARARGS, ssl_Context_##name##_doc } |
| 1149 | static PyMethodDef ssl_Context_methods[] = { |
| 1150 | ADD_METHOD(load_verify_locations), |
| 1151 | ADD_METHOD(set_passwd_cb), |
Jean-Paul Calderone | 1cb5d02 | 2008-09-07 20:58:50 -0400 | [diff] [blame] | 1152 | ADD_METHOD(set_default_verify_paths), |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1153 | ADD_METHOD(use_certificate_chain_file), |
| 1154 | ADD_METHOD(use_certificate_file), |
| 1155 | ADD_METHOD(use_certificate), |
Jean-Paul Calderone | d3ada85 | 2008-02-18 21:17:29 -0500 | [diff] [blame] | 1156 | ADD_METHOD(add_extra_chain_cert), |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1157 | ADD_METHOD(use_privatekey_file), |
| 1158 | ADD_METHOD(use_privatekey), |
| 1159 | ADD_METHOD(check_privatekey), |
| 1160 | ADD_METHOD(load_client_ca), |
| 1161 | ADD_METHOD(set_session_id), |
| 1162 | ADD_METHOD(set_verify), |
| 1163 | ADD_METHOD(set_verify_depth), |
| 1164 | ADD_METHOD(get_verify_mode), |
| 1165 | ADD_METHOD(get_verify_depth), |
| 1166 | ADD_METHOD(load_tmp_dh), |
| 1167 | ADD_METHOD(set_cipher_list), |
Ziga Seilnacht | f93bf10 | 2009-10-23 09:51:07 +0200 | [diff] [blame] | 1168 | ADD_METHOD(set_client_ca_list), |
| 1169 | ADD_METHOD(add_client_ca), |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1170 | ADD_METHOD(set_timeout), |
| 1171 | ADD_METHOD(get_timeout), |
| 1172 | ADD_METHOD(set_info_callback), |
| 1173 | ADD_METHOD(get_app_data), |
| 1174 | ADD_METHOD(set_app_data), |
| 1175 | ADD_METHOD(get_cert_store), |
| 1176 | ADD_METHOD(set_options), |
Jean-Paul Calderone | c4cb658 | 2011-05-26 18:47:00 -0400 | [diff] [blame] | 1177 | ADD_METHOD(set_tlsext_servername_callback), |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1178 | { NULL, NULL } |
| 1179 | }; |
| 1180 | #undef ADD_METHOD |
| 1181 | |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1182 | /* |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 1183 | * Despite the name which might suggest otherwise, this is not the tp_init for |
| 1184 | * the Context type. It's just the common initialization code shared by the |
| 1185 | * two _{Nn}ew functions below. |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1186 | */ |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 1187 | static ssl_ContextObj* |
| 1188 | ssl_Context_init(ssl_ContextObj *self, int i_method) { |
Jean-Paul Calderone | 1c198f9 | 2011-04-14 09:46:23 -0400 | [diff] [blame] | 1189 | #if (OPENSSL_VERSION_NUMBER >> 28) == 0x01 |
| 1190 | const |
| 1191 | #endif |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1192 | SSL_METHOD *method; |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1193 | |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 1194 | switch (i_method) { |
| 1195 | case ssl_SSLv2_METHOD: |
Jean-Paul Calderone | 9f2e38e | 2011-04-14 09:36:55 -0400 | [diff] [blame] | 1196 | #ifdef OPENSSL_NO_SSL2 |
| 1197 | PyErr_SetString(PyExc_ValueError, "SSLv2_METHOD not supported by this version of OpenSSL"); |
| 1198 | return NULL; |
| 1199 | #else |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 1200 | method = SSLv2_method(); |
Jean-Paul Calderone | 9f2e38e | 2011-04-14 09:36:55 -0400 | [diff] [blame] | 1201 | #endif |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 1202 | break; |
| 1203 | case ssl_SSLv23_METHOD: |
| 1204 | method = SSLv23_method(); |
| 1205 | break; |
| 1206 | case ssl_SSLv3_METHOD: |
| 1207 | method = SSLv3_method(); |
| 1208 | break; |
| 1209 | case ssl_TLSv1_METHOD: |
| 1210 | method = TLSv1_method(); |
| 1211 | break; |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1212 | default: |
| 1213 | PyErr_SetString(PyExc_ValueError, "No such protocol"); |
| 1214 | return NULL; |
| 1215 | } |
| 1216 | |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1217 | self->ctx = SSL_CTX_new(method); |
| 1218 | Py_INCREF(Py_None); |
| 1219 | self->passphrase_callback = Py_None; |
| 1220 | Py_INCREF(Py_None); |
| 1221 | self->verify_callback = Py_None; |
| 1222 | Py_INCREF(Py_None); |
| 1223 | self->info_callback = Py_None; |
| 1224 | |
| 1225 | Py_INCREF(Py_None); |
Jean-Paul Calderone | c4cb658 | 2011-05-26 18:47:00 -0400 | [diff] [blame] | 1226 | self->tlsext_servername_callback = Py_None; |
| 1227 | |
| 1228 | Py_INCREF(Py_None); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1229 | self->passphrase_userdata = Py_None; |
| 1230 | |
| 1231 | Py_INCREF(Py_None); |
| 1232 | self->app_data = Py_None; |
| 1233 | |
| 1234 | /* Some initialization that's required to operate smoothly in Python */ |
| 1235 | SSL_CTX_set_app_data(self->ctx, self); |
| 1236 | SSL_CTX_set_mode(self->ctx, SSL_MODE_ENABLE_PARTIAL_WRITE | |
| 1237 | SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER | |
| 1238 | SSL_MODE_AUTO_RETRY); |
| 1239 | |
| 1240 | self->tstate = NULL; |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1241 | |
| 1242 | return self; |
| 1243 | } |
| 1244 | |
| 1245 | /* |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 1246 | * This one is exposed in the CObject API. I want to deprecate it. |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1247 | */ |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 1248 | ssl_ContextObj* |
| 1249 | ssl_Context_New(int i_method) { |
| 1250 | ssl_ContextObj *self; |
| 1251 | |
| 1252 | self = PyObject_GC_New(ssl_ContextObj, &ssl_Context_Type); |
| 1253 | if (self == NULL) { |
| 1254 | return (ssl_ContextObj *)PyErr_NoMemory(); |
| 1255 | } |
| 1256 | self = ssl_Context_init(self, i_method); |
| 1257 | PyObject_GC_Track((PyObject *)self); |
| 1258 | return self; |
| 1259 | } |
| 1260 | |
| 1261 | |
| 1262 | /* |
| 1263 | * This one is the tp_new of the Context type. It's great. |
| 1264 | */ |
| 1265 | static PyObject* |
| 1266 | ssl_Context_new(PyTypeObject *subtype, PyObject *args, PyObject *kwargs) { |
| 1267 | int i_method; |
| 1268 | ssl_ContextObj *self; |
| 1269 | static char *kwlist[] = {"method", NULL}; |
| 1270 | |
| 1271 | if (!PyArg_ParseTupleAndKeywords(args, kwargs, "i:Context", kwlist, &i_method)) { |
| 1272 | return NULL; |
| 1273 | } |
| 1274 | |
| 1275 | self = (ssl_ContextObj *)subtype->tp_alloc(subtype, 1); |
| 1276 | if (self == NULL) { |
| 1277 | return NULL; |
| 1278 | } |
| 1279 | |
| 1280 | return (PyObject *)ssl_Context_init(self, i_method); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1281 | } |
| 1282 | |
| 1283 | /* |
| 1284 | * Call the visitproc on all contained objects. |
| 1285 | * |
| 1286 | * Arguments: self - The Context object |
| 1287 | * visit - Function to call |
| 1288 | * arg - Extra argument to visit |
| 1289 | * Returns: 0 if all goes well, otherwise the return code from the first |
| 1290 | * call that gave non-zero result. |
| 1291 | */ |
| 1292 | static int |
| 1293 | ssl_Context_traverse(ssl_ContextObj *self, visitproc visit, void *arg) |
| 1294 | { |
| 1295 | int ret = 0; |
| 1296 | |
| 1297 | if (ret == 0 && self->passphrase_callback != NULL) |
| 1298 | ret = visit((PyObject *)self->passphrase_callback, arg); |
| 1299 | if (ret == 0 && self->passphrase_userdata != NULL) |
| 1300 | ret = visit((PyObject *)self->passphrase_userdata, arg); |
| 1301 | if (ret == 0 && self->verify_callback != NULL) |
| 1302 | ret = visit((PyObject *)self->verify_callback, arg); |
| 1303 | if (ret == 0 && self->info_callback != NULL) |
| 1304 | ret = visit((PyObject *)self->info_callback, arg); |
| 1305 | if (ret == 0 && self->app_data != NULL) |
| 1306 | ret = visit(self->app_data, arg); |
| 1307 | return ret; |
| 1308 | } |
| 1309 | |
| 1310 | /* |
| 1311 | * Decref all contained objects and zero the pointers. |
| 1312 | * |
| 1313 | * Arguments: self - The Context object |
| 1314 | * Returns: Always 0. |
| 1315 | */ |
| 1316 | static int |
| 1317 | ssl_Context_clear(ssl_ContextObj *self) |
| 1318 | { |
| 1319 | Py_XDECREF(self->passphrase_callback); |
| 1320 | self->passphrase_callback = NULL; |
| 1321 | Py_XDECREF(self->passphrase_userdata); |
| 1322 | self->passphrase_userdata = NULL; |
| 1323 | Py_XDECREF(self->verify_callback); |
| 1324 | self->verify_callback = NULL; |
| 1325 | Py_XDECREF(self->info_callback); |
| 1326 | self->info_callback = NULL; |
| 1327 | Py_XDECREF(self->app_data); |
| 1328 | self->app_data = NULL; |
| 1329 | return 0; |
| 1330 | } |
| 1331 | |
| 1332 | /* |
| 1333 | * Deallocate the memory used by the Context object |
| 1334 | * |
| 1335 | * Arguments: self - The Context object |
| 1336 | * Returns: None |
| 1337 | */ |
| 1338 | static void |
| 1339 | ssl_Context_dealloc(ssl_ContextObj *self) |
| 1340 | { |
| 1341 | PyObject_GC_UnTrack((PyObject *)self); |
| 1342 | SSL_CTX_free(self->ctx); |
| 1343 | ssl_Context_clear(self); |
| 1344 | PyObject_GC_Del(self); |
| 1345 | } |
| 1346 | |
| 1347 | |
| 1348 | PyTypeObject ssl_Context_Type = { |
Jean-Paul Calderone | b6d7525 | 2010-08-11 23:55:45 -0400 | [diff] [blame] | 1349 | PyOpenSSL_HEAD_INIT(&PyType_Type, 0) |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 1350 | "OpenSSL.SSL.Context", |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1351 | sizeof(ssl_ContextObj), |
| 1352 | 0, |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 1353 | (destructor)ssl_Context_dealloc, /* tp_dealloc */ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1354 | NULL, /* print */ |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 1355 | NULL, /* tp_getattr */ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1356 | NULL, /* setattr */ |
| 1357 | NULL, /* compare */ |
| 1358 | NULL, /* repr */ |
| 1359 | NULL, /* as_number */ |
| 1360 | NULL, /* as_sequence */ |
| 1361 | NULL, /* as_mapping */ |
| 1362 | NULL, /* hash */ |
| 1363 | NULL, /* call */ |
| 1364 | NULL, /* str */ |
| 1365 | NULL, /* getattro */ |
| 1366 | NULL, /* setattro */ |
| 1367 | NULL, /* as_buffer */ |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 1368 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE, /* tp_flags */ |
| 1369 | ssl_Context_doc, /* tp_doc */ |
| 1370 | (traverseproc)ssl_Context_traverse, /* tp_traverse */ |
| 1371 | (inquiry)ssl_Context_clear, /* tp_clear */ |
| 1372 | NULL, /* tp_richcompare */ |
| 1373 | 0, /* tp_weaklistoffset */ |
| 1374 | NULL, /* tp_iter */ |
| 1375 | NULL, /* tp_iternext */ |
| 1376 | ssl_Context_methods, /* tp_methods */ |
| 1377 | NULL, /* tp_members */ |
| 1378 | NULL, /* tp_getset */ |
| 1379 | NULL, /* tp_base */ |
| 1380 | NULL, /* tp_dict */ |
| 1381 | NULL, /* tp_descr_get */ |
| 1382 | NULL, /* tp_descr_set */ |
| 1383 | 0, /* tp_dictoffset */ |
| 1384 | NULL, /* tp_init */ |
| 1385 | NULL, /* tp_alloc */ |
| 1386 | ssl_Context_new, /* tp_new */ |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1387 | }; |
| 1388 | |
| 1389 | |
| 1390 | /* |
| 1391 | * Initialize the Context part of the SSL sub module |
| 1392 | * |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 1393 | * Arguments: dict - The OpenSSL.SSL module |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1394 | * Returns: 1 for success, 0 otherwise |
| 1395 | */ |
| 1396 | int |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 1397 | init_ssl_context(PyObject *module) { |
| 1398 | |
| 1399 | if (PyType_Ready(&ssl_Context_Type) < 0) { |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1400 | return 0; |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 1401 | } |
| 1402 | |
Jean-Paul Calderone | 86ad711 | 2010-05-11 16:08:45 -0400 | [diff] [blame] | 1403 | /* PyModule_AddObject steals a reference. |
| 1404 | */ |
| 1405 | Py_INCREF((PyObject *)&ssl_Context_Type); |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 1406 | if (PyModule_AddObject(module, "Context", (PyObject *)&ssl_Context_Type) < 0) { |
| 1407 | return 0; |
| 1408 | } |
| 1409 | |
Jean-Paul Calderone | aed2358 | 2011-03-12 22:45:02 -0500 | [diff] [blame] | 1410 | /* PyModule_AddObject steals a reference. |
| 1411 | */ |
| 1412 | Py_INCREF((PyObject *)&ssl_Context_Type); |
Jean-Paul Calderone | 1bd11fa | 2009-05-27 17:09:15 -0400 | [diff] [blame] | 1413 | if (PyModule_AddObject(module, "ContextType", (PyObject *)&ssl_Context_Type) < 0) { |
| 1414 | return 0; |
| 1415 | } |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1416 | |
| 1417 | return 1; |
| 1418 | } |
| 1419 | |