Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2009 Teluu Inc. (http://www.teluu.com) |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | #include <pj/ssl_sock.h> |
| 20 | #include <pj/activesock.h> |
| 21 | #include <pj/compat/socket.h> |
| 22 | #include <pj/assert.h> |
| 23 | #include <pj/errno.h> |
| 24 | #include <pj/list.h> |
| 25 | #include <pj/lock.h> |
| 26 | #include <pj/log.h> |
| 27 | #include <pj/math.h> |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 28 | #include <pj/os.h> |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 29 | #include <pj/pool.h> |
| 30 | #include <pj/string.h> |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 31 | #include <pj/timer.h> |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 32 | |
| 33 | |
| 34 | /* Only build when PJ_HAS_SSL_SOCK is enabled */ |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 35 | #if defined(PJ_HAS_SSL_SOCK) && PJ_HAS_SSL_SOCK!=0 |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 36 | |
| 37 | #define THIS_FILE "ssl_sock_ossl.c" |
| 38 | |
Nanang Izzuddin | 8e5f634 | 2009-11-06 08:01:59 +0000 | [diff] [blame] | 39 | /* Workaround for ticket #985 */ |
| 40 | #define DELAYED_CLOSE_TIMEOUT 200 |
| 41 | |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 42 | /* |
| 43 | * Include OpenSSL headers |
| 44 | */ |
| 45 | #include <openssl/bio.h> |
| 46 | #include <openssl/ssl.h> |
| 47 | #include <openssl/err.h> |
| 48 | |
| 49 | |
| 50 | #ifdef _MSC_VER |
| 51 | # ifdef _DEBUG |
| 52 | # pragma comment( lib, "libeay32MTd") |
| 53 | # pragma comment( lib, "ssleay32MTd") |
| 54 | #else |
| 55 | # pragma comment( lib, "libeay32MT") |
| 56 | # pragma comment( lib, "ssleay32MT") |
| 57 | # endif |
| 58 | #endif |
| 59 | |
| 60 | |
| 61 | /* |
| 62 | * SSL/TLS state enumeration. |
| 63 | */ |
| 64 | enum ssl_state { |
| 65 | SSL_STATE_NULL, |
| 66 | SSL_STATE_HANDSHAKING, |
| 67 | SSL_STATE_ESTABLISHED |
| 68 | }; |
| 69 | |
| 70 | /* |
Nanang Izzuddin | 8e5f634 | 2009-11-06 08:01:59 +0000 | [diff] [blame] | 71 | * Internal timer types. |
| 72 | */ |
| 73 | enum timer_id |
| 74 | { |
| 75 | TIMER_NONE, |
| 76 | TIMER_HANDSHAKE_TIMEOUT, |
| 77 | TIMER_CLOSE |
| 78 | }; |
| 79 | |
| 80 | /* |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 81 | * Structure of SSL socket read buffer. |
| 82 | */ |
| 83 | typedef struct read_data_t |
| 84 | { |
| 85 | void *data; |
| 86 | pj_size_t len; |
| 87 | } read_data_t; |
| 88 | |
| 89 | /* |
| 90 | * Get the offset of pointer to read-buffer of SSL socket from read-buffer |
| 91 | * of active socket. Note that both SSL socket and active socket employ |
| 92 | * different but correlated read-buffers (as much as async_cnt for each), |
| 93 | * and to make it easier/faster to find corresponding SSL socket's read-buffer |
| 94 | * from known active socket's read-buffer, the pointer of corresponding |
| 95 | * SSL socket's read-buffer is stored right after the end of active socket's |
| 96 | * read-buffer. |
| 97 | */ |
| 98 | #define OFFSET_OF_READ_DATA_PTR(ssock, asock_rbuf) \ |
| 99 | (read_data_t**) \ |
| 100 | ((pj_int8_t*)(asock_rbuf) + \ |
| 101 | ssock->param.read_buffer_size) |
| 102 | |
| 103 | /* |
| 104 | * Structure of SSL socket write buffer. |
| 105 | */ |
| 106 | typedef struct write_data_t { |
| 107 | pj_ioqueue_op_key_t key; |
| 108 | pj_size_t record_len; |
| 109 | pj_ioqueue_op_key_t *app_key; |
| 110 | pj_size_t plain_data_len; |
| 111 | pj_size_t data_len; |
| 112 | union { |
| 113 | char content[1]; |
| 114 | const char *ptr; |
| 115 | } data; |
| 116 | unsigned flags; |
| 117 | } write_data_t; |
| 118 | |
| 119 | /* |
| 120 | * Structure of SSL socket write state. |
| 121 | */ |
| 122 | typedef struct write_state_t { |
| 123 | char *buf; |
| 124 | pj_size_t max_len; |
| 125 | char *start; |
| 126 | pj_size_t len; |
| 127 | write_data_t *last_data; |
| 128 | } write_state_t; |
| 129 | |
| 130 | /* |
| 131 | * Structure of write data pending. |
| 132 | */ |
| 133 | typedef struct write_pending_t { |
| 134 | PJ_DECL_LIST_MEMBER(struct write_pending_t); |
| 135 | write_data_t data; |
| 136 | } write_pending_t; |
| 137 | |
| 138 | /* |
| 139 | * Secure socket structure definition. |
| 140 | */ |
| 141 | struct pj_ssl_sock_t |
| 142 | { |
| 143 | pj_pool_t *pool; |
| 144 | pj_ssl_sock_t *parent; |
| 145 | pj_ssl_sock_param param; |
| 146 | pj_ssl_cert_t *cert; |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 147 | |
| 148 | pj_ssl_cert_info local_cert_info; |
| 149 | pj_ssl_cert_info remote_cert_info; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 150 | |
| 151 | pj_bool_t is_server; |
| 152 | enum ssl_state ssl_state; |
| 153 | pj_ioqueue_op_key_t handshake_op_key; |
Nanang Izzuddin | 8e5f634 | 2009-11-06 08:01:59 +0000 | [diff] [blame] | 154 | pj_timer_entry timer; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 155 | |
| 156 | pj_sock_t sock; |
| 157 | pj_activesock_t *asock; |
| 158 | |
| 159 | pj_sockaddr local_addr; |
| 160 | pj_sockaddr rem_addr; |
| 161 | int addr_len; |
| 162 | |
| 163 | pj_bool_t read_started; |
| 164 | pj_size_t read_size; |
| 165 | pj_uint32_t read_flags; |
| 166 | void **asock_rbuf; |
| 167 | read_data_t *ssock_rbuf; |
| 168 | |
| 169 | write_state_t write_state; |
| 170 | write_pending_t write_pending; |
| 171 | write_pending_t write_pending_empty; |
| 172 | pj_lock_t *write_mutex; /* protect write BIO and write_state */ |
| 173 | |
| 174 | SSL_CTX *ossl_ctx; |
| 175 | SSL *ossl_ssl; |
| 176 | BIO *ossl_rbio; |
| 177 | BIO *ossl_wbio; |
| 178 | }; |
| 179 | |
| 180 | |
| 181 | /* |
| 182 | * Certificate/credential structure definition. |
| 183 | */ |
| 184 | struct pj_ssl_cert_t |
| 185 | { |
| 186 | pj_str_t CA_file; |
| 187 | pj_str_t cert_file; |
| 188 | pj_str_t privkey_file; |
| 189 | pj_str_t privkey_pass; |
| 190 | }; |
| 191 | |
| 192 | |
| 193 | static pj_status_t flush_delayed_send(pj_ssl_sock_t *ssock); |
| 194 | |
| 195 | /* |
| 196 | ******************************************************************* |
| 197 | * Static/internal functions. |
| 198 | ******************************************************************* |
| 199 | */ |
| 200 | |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 201 | /** |
| 202 | * Mapping from OpenSSL error codes to pjlib error space. |
| 203 | */ |
| 204 | |
| 205 | #define PJ_SSL_ERRNO_START (PJ_ERRNO_START_USER + \ |
| 206 | PJ_ERRNO_SPACE_SIZE*6) |
| 207 | |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 208 | #define PJ_SSL_ERRNO_SPACE_SIZE PJ_ERRNO_SPACE_SIZE |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 209 | |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 210 | #define GET_SSL_STATUS(status) { \ |
| 211 | unsigned long e = ERR_get_error();\ |
| 212 | status = ERR_GET_LIB(e)*300 + ERR_GET_REASON(e);\ |
| 213 | pj_assert(status < PJ_SSL_ERRNO_SPACE_SIZE);\ |
| 214 | if (status) status += PJ_SSL_ERRNO_START;\ |
| 215 | } |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 216 | |
| 217 | /* |
| 218 | * Get error string of OpenSSL. |
| 219 | */ |
| 220 | static pj_str_t ssl_strerror(pj_status_t status, |
| 221 | char *buf, pj_size_t bufsize) |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 222 | { |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 223 | pj_str_t errstr; |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 224 | unsigned long ssl_err = status; |
| 225 | |
| 226 | if (ssl_err) { |
| 227 | unsigned long l, r; |
| 228 | ssl_err -= PJ_SSL_ERRNO_START; |
| 229 | l = ssl_err/300; |
| 230 | r = ssl_err%300; |
| 231 | ssl_err = ERR_PACK(l, 0, r); |
| 232 | } |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 233 | |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 234 | #if defined(PJ_HAS_ERROR_STRING) && (PJ_HAS_ERROR_STRING != 0) |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 235 | |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 236 | { |
| 237 | const char *tmp = NULL; |
| 238 | tmp = ERR_reason_error_string(ssl_err); |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 239 | |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 240 | if (tmp) { |
| 241 | pj_ansi_strncpy(buf, tmp, bufsize); |
| 242 | errstr = pj_str(buf); |
| 243 | return errstr; |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | #endif /* PJ_HAS_ERROR_STRING */ |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 248 | |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 249 | errstr.ptr = buf; |
| 250 | errstr.slen = pj_ansi_snprintf(buf, bufsize, |
Benny Prijono | 0a411e2 | 2009-11-10 07:59:45 +0000 | [diff] [blame] | 251 | "Unknown OpenSSL error %lu", |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 252 | ssl_err); |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 253 | |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 254 | return errstr; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 255 | } |
| 256 | |
| 257 | |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 258 | /* OpenSSL library initialization counter */ |
| 259 | static int openssl_init_count; |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 260 | static int openssl_reg_strerr; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 261 | |
| 262 | /* OpenSSL available ciphers */ |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 263 | static pj_ssl_cipher openssl_ciphers[100]; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 264 | static unsigned openssl_cipher_num; |
| 265 | |
| 266 | |
| 267 | /* Initialize OpenSSL */ |
| 268 | static pj_status_t init_openssl(void) |
| 269 | { |
Nanang Izzuddin | eef9b8d | 2009-11-06 13:31:37 +0000 | [diff] [blame] | 270 | if (openssl_init_count) |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 271 | return PJ_SUCCESS; |
| 272 | |
Nanang Izzuddin | eef9b8d | 2009-11-06 13:31:37 +0000 | [diff] [blame] | 273 | openssl_init_count = 1; |
| 274 | |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 275 | /* Register error subsystem */ |
| 276 | if (!openssl_reg_strerr) { |
| 277 | pj_status_t status; |
| 278 | |
| 279 | openssl_reg_strerr = 1; |
| 280 | status = pj_register_strerror(PJ_SSL_ERRNO_START, |
| 281 | PJ_SSL_ERRNO_SPACE_SIZE, |
| 282 | &ssl_strerror); |
| 283 | pj_assert(status == PJ_SUCCESS); |
| 284 | } |
| 285 | |
| 286 | /* Init OpenSSL lib */ |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 287 | SSL_library_init(); |
| 288 | SSL_load_error_strings(); |
| 289 | OpenSSL_add_all_algorithms(); |
| 290 | |
| 291 | /* Init available ciphers */ |
| 292 | if (openssl_cipher_num == 0) { |
| 293 | SSL_METHOD *meth = NULL; |
| 294 | SSL_CTX *ctx; |
| 295 | SSL *ssl; |
| 296 | STACK_OF(SSL_CIPHER) *sk_cipher; |
| 297 | unsigned i, n; |
| 298 | |
| 299 | meth = (SSL_METHOD*)SSLv23_server_method(); |
| 300 | if (!meth) |
| 301 | meth = (SSL_METHOD*)TLSv1_server_method(); |
| 302 | if (!meth) |
| 303 | meth = (SSL_METHOD*)SSLv3_server_method(); |
| 304 | if (!meth) |
| 305 | meth = (SSL_METHOD*)SSLv2_server_method(); |
| 306 | pj_assert(meth); |
| 307 | |
| 308 | ctx=SSL_CTX_new(meth); |
| 309 | SSL_CTX_set_cipher_list(ctx, "ALL"); |
| 310 | |
| 311 | ssl = SSL_new(ctx); |
| 312 | sk_cipher = SSL_get_ciphers(ssl); |
| 313 | |
| 314 | n = sk_SSL_CIPHER_num(sk_cipher); |
| 315 | if (n > PJ_ARRAY_SIZE(openssl_ciphers)) |
| 316 | n = PJ_ARRAY_SIZE(openssl_ciphers); |
| 317 | |
| 318 | for (i = 0; i < n; ++i) { |
| 319 | SSL_CIPHER *c; |
| 320 | c = sk_SSL_CIPHER_value(sk_cipher,i); |
| 321 | openssl_ciphers[i] = (pj_ssl_cipher) |
| 322 | (pj_uint32_t)c->id & 0x00FFFFFF; |
| 323 | //printf("%3u: %08x=%s\n", i+1, c->id, SSL_CIPHER_get_name(c)); |
| 324 | } |
| 325 | |
| 326 | SSL_free(ssl); |
| 327 | SSL_CTX_free(ctx); |
| 328 | |
| 329 | openssl_cipher_num = n; |
| 330 | } |
| 331 | |
| 332 | return PJ_SUCCESS; |
| 333 | } |
| 334 | |
| 335 | |
| 336 | /* Shutdown OpenSSL */ |
| 337 | static void shutdown_openssl(void) |
| 338 | { |
Nanang Izzuddin | eef9b8d | 2009-11-06 13:31:37 +0000 | [diff] [blame] | 339 | PJ_UNUSED_ARG(openssl_init_count); |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 340 | } |
| 341 | |
| 342 | |
| 343 | /* SSL password callback. */ |
| 344 | static int password_cb(char *buf, int num, int rwflag, void *user_data) |
| 345 | { |
| 346 | pj_ssl_cert_t *cert = (pj_ssl_cert_t*) user_data; |
| 347 | |
| 348 | PJ_UNUSED_ARG(rwflag); |
| 349 | |
| 350 | if(num < cert->privkey_pass.slen) |
| 351 | return 0; |
| 352 | |
| 353 | pj_memcpy(buf, cert->privkey_pass.ptr, cert->privkey_pass.slen); |
| 354 | return cert->privkey_pass.slen; |
| 355 | } |
| 356 | |
| 357 | |
| 358 | /* Create and initialize new SSL context */ |
| 359 | static pj_status_t create_ssl_ctx(pj_ssl_sock_t *ssock, SSL_CTX **p_ctx) |
| 360 | { |
| 361 | SSL_METHOD *ssl_method; |
| 362 | SSL_CTX *ctx; |
| 363 | pj_ssl_cert_t *cert; |
| 364 | int mode, rc; |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 365 | pj_status_t status; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 366 | |
| 367 | pj_assert(ssock && p_ctx); |
| 368 | |
| 369 | cert = ssock->cert; |
| 370 | |
| 371 | /* Make sure OpenSSL library has been initialized */ |
| 372 | init_openssl(); |
| 373 | |
| 374 | /* Determine SSL method to use */ |
| 375 | switch (ssock->param.proto) { |
| 376 | case PJ_SSL_SOCK_PROTO_DEFAULT: |
| 377 | case PJ_SSL_SOCK_PROTO_TLS1: |
| 378 | ssl_method = (SSL_METHOD*)TLSv1_method(); |
| 379 | break; |
| 380 | case PJ_SSL_SOCK_PROTO_SSL2: |
| 381 | ssl_method = (SSL_METHOD*)SSLv2_method(); |
| 382 | break; |
| 383 | case PJ_SSL_SOCK_PROTO_SSL3: |
| 384 | ssl_method = (SSL_METHOD*)SSLv3_method(); |
| 385 | break; |
| 386 | case PJ_SSL_SOCK_PROTO_SSL23: |
| 387 | ssl_method = (SSL_METHOD*)SSLv23_method(); |
| 388 | break; |
Nanang Izzuddin | 8d75958 | 2009-10-28 03:41:34 +0000 | [diff] [blame] | 389 | //case PJ_SSL_SOCK_PROTO_DTLS1: |
| 390 | //ssl_method = (SSL_METHOD*)DTLSv1_method(); |
| 391 | //break; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 392 | default: |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 393 | return PJ_EINVAL; |
| 394 | } |
| 395 | |
| 396 | /* Create SSL context for the listener */ |
| 397 | ctx = SSL_CTX_new(ssl_method); |
| 398 | if (ctx == NULL) { |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 399 | GET_SSL_STATUS(status); |
| 400 | return status; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 401 | } |
| 402 | |
| 403 | /* Apply credentials */ |
| 404 | if (cert) { |
| 405 | /* Load CA list if one is specified. */ |
| 406 | if (cert->CA_file.slen) { |
| 407 | |
| 408 | rc = SSL_CTX_load_verify_locations(ctx, cert->CA_file.ptr, NULL); |
| 409 | |
| 410 | if (rc != 1) { |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 411 | GET_SSL_STATUS(status); |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 412 | PJ_LOG(1,(ssock->pool->obj_name, "Error loading CA list file " |
| 413 | "'%s'", cert->CA_file.ptr)); |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 414 | SSL_CTX_free(ctx); |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 415 | return status; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 416 | } |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 417 | } |
| 418 | |
| 419 | /* Set password callback */ |
| 420 | if (cert->privkey_pass.slen) { |
| 421 | SSL_CTX_set_default_passwd_cb(ctx, password_cb); |
| 422 | SSL_CTX_set_default_passwd_cb_userdata(ctx, cert); |
| 423 | } |
| 424 | |
| 425 | |
| 426 | /* Load certificate if one is specified */ |
| 427 | if (cert->cert_file.slen) { |
| 428 | |
| 429 | /* Load certificate chain from file into ctx */ |
| 430 | rc = SSL_CTX_use_certificate_chain_file(ctx, cert->cert_file.ptr); |
| 431 | |
| 432 | if(rc != 1) { |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 433 | GET_SSL_STATUS(status); |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 434 | PJ_LOG(1,(ssock->pool->obj_name, "Error loading certificate " |
| 435 | "chain file '%s'", cert->cert_file.ptr)); |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 436 | SSL_CTX_free(ctx); |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 437 | return status; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 438 | } |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 439 | } |
| 440 | |
| 441 | |
| 442 | /* Load private key if one is specified */ |
| 443 | if (cert->privkey_file.slen) { |
| 444 | /* Adds the first private key found in file to ctx */ |
| 445 | rc = SSL_CTX_use_PrivateKey_file(ctx, cert->privkey_file.ptr, |
| 446 | SSL_FILETYPE_PEM); |
| 447 | |
| 448 | if(rc != 1) { |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 449 | GET_SSL_STATUS(status); |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 450 | PJ_LOG(1,(ssock->pool->obj_name, "Error adding private key " |
| 451 | "from '%s'", cert->privkey_file.ptr)); |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 452 | SSL_CTX_free(ctx); |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 453 | return status; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 454 | } |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 455 | } |
| 456 | } |
| 457 | |
| 458 | |
| 459 | /* SSL verification options */ |
| 460 | if (ssock->param.verify_peer) { |
| 461 | mode = SSL_VERIFY_PEER; |
| 462 | } else { |
| 463 | mode = SSL_VERIFY_NONE; |
| 464 | } |
| 465 | |
| 466 | if (ssock->is_server && ssock->param.require_client_cert) |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 467 | mode |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT | SSL_VERIFY_PEER; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 468 | |
| 469 | SSL_CTX_set_verify(ctx, mode, NULL); |
| 470 | |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 471 | *p_ctx = ctx; |
| 472 | |
| 473 | return PJ_SUCCESS; |
| 474 | } |
| 475 | |
| 476 | |
| 477 | /* Destroy SSL context */ |
| 478 | static void destroy_ssl_ctx(SSL_CTX *ctx) |
| 479 | { |
| 480 | SSL_CTX_free(ctx); |
| 481 | |
| 482 | /* Potentially shutdown OpenSSL library if this is the last |
| 483 | * context exists. |
| 484 | */ |
| 485 | shutdown_openssl(); |
| 486 | } |
| 487 | |
| 488 | |
| 489 | /* Reset SSL socket state */ |
| 490 | static void reset_ssl_sock_state(pj_ssl_sock_t *ssock) |
| 491 | { |
| 492 | ssock->ssl_state = SSL_STATE_NULL; |
| 493 | |
| 494 | if (ssock->ossl_ssl) { |
| 495 | SSL_shutdown(ssock->ossl_ssl); |
| 496 | SSL_free(ssock->ossl_ssl); /* this will also close BIOs */ |
| 497 | ssock->ossl_ssl = NULL; |
| 498 | } |
| 499 | if (ssock->ossl_ctx) { |
| 500 | destroy_ssl_ctx(ssock->ossl_ctx); |
| 501 | ssock->ossl_ctx = NULL; |
| 502 | } |
| 503 | if (ssock->asock) { |
| 504 | pj_activesock_close(ssock->asock); |
| 505 | ssock->asock = NULL; |
| 506 | ssock->sock = PJ_INVALID_SOCKET; |
| 507 | } |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 508 | if (ssock->sock != PJ_INVALID_SOCKET) { |
| 509 | pj_sock_close(ssock->sock); |
| 510 | ssock->sock = PJ_INVALID_SOCKET; |
| 511 | } |
Nanang Izzuddin | 6cfc6d5 | 2009-10-27 02:21:28 +0000 | [diff] [blame] | 512 | |
| 513 | /* Upon error, OpenSSL may leave any error description in the thread |
| 514 | * error queue, which sometime may cause next call to SSL API returning |
| 515 | * false error alarm, e.g: in Linux, SSL_CTX_use_certificate_chain_file() |
| 516 | * returning false error after a handshake error (in different SSL_CTX!). |
| 517 | * For now, just clear thread error queue here. |
| 518 | */ |
| 519 | ERR_clear_error(); |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 520 | } |
| 521 | |
| 522 | |
| 523 | /* Generate cipher list with user preference order in OpenSSL format */ |
| 524 | static pj_status_t set_cipher_list(pj_ssl_sock_t *ssock) |
| 525 | { |
| 526 | char buf[1024]; |
| 527 | pj_str_t cipher_list; |
| 528 | STACK_OF(SSL_CIPHER) *sk_cipher; |
| 529 | unsigned i; |
| 530 | int j, ret; |
| 531 | |
| 532 | if (ssock->param.ciphers_num == 0) |
| 533 | return PJ_SUCCESS; |
| 534 | |
| 535 | pj_strset(&cipher_list, buf, 0); |
| 536 | |
| 537 | /* Set SSL with ALL available ciphers */ |
| 538 | SSL_set_cipher_list(ssock->ossl_ssl, "ALL"); |
| 539 | |
| 540 | /* Generate user specified cipher list in OpenSSL format */ |
| 541 | sk_cipher = SSL_get_ciphers(ssock->ossl_ssl); |
| 542 | for (i = 0; i < ssock->param.ciphers_num; ++i) { |
| 543 | for (j = 0; j < sk_SSL_CIPHER_num(sk_cipher); ++j) { |
| 544 | SSL_CIPHER *c; |
| 545 | c = sk_SSL_CIPHER_value(sk_cipher, j); |
| 546 | if (ssock->param.ciphers[i] == (pj_ssl_cipher) |
| 547 | ((pj_uint32_t)c->id & 0x00FFFFFF)) |
| 548 | { |
| 549 | const char *c_name; |
| 550 | |
| 551 | c_name = SSL_CIPHER_get_name(c); |
| 552 | |
| 553 | /* Check buffer size */ |
| 554 | if (cipher_list.slen + pj_ansi_strlen(c_name) + 2 > sizeof(buf)) { |
| 555 | pj_assert(!"Insufficient temporary buffer for cipher"); |
| 556 | return PJ_ETOOMANY; |
| 557 | } |
| 558 | |
| 559 | /* Add colon separator */ |
| 560 | if (cipher_list.slen) |
| 561 | pj_strcat2(&cipher_list, ":"); |
| 562 | |
| 563 | /* Add the cipher */ |
| 564 | pj_strcat2(&cipher_list, c_name); |
| 565 | break; |
| 566 | } |
| 567 | } |
| 568 | } |
| 569 | |
| 570 | /* Put NULL termination in the generated cipher list */ |
| 571 | cipher_list.ptr[cipher_list.slen] = '\0'; |
| 572 | |
| 573 | /* Finally, set chosen cipher list */ |
| 574 | ret = SSL_set_cipher_list(ssock->ossl_ssl, buf); |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 575 | if (ret < 1) { |
| 576 | pj_status_t status; |
| 577 | GET_SSL_STATUS(status); |
| 578 | return status; |
| 579 | } |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 580 | |
| 581 | return PJ_SUCCESS; |
| 582 | } |
| 583 | |
| 584 | |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 585 | /* Parse OpenSSL ASN1_TIME to pj_time_val and GMT info */ |
| 586 | static pj_bool_t parse_ossl_asn1_time(pj_time_val *tv, pj_bool_t *gmt, |
| 587 | const ASN1_TIME *tm) |
| 588 | { |
| 589 | unsigned long parts[7] = {0}; |
| 590 | char *p, *end; |
| 591 | unsigned len; |
| 592 | pj_bool_t utc; |
| 593 | pj_parsed_time pt; |
| 594 | int i; |
| 595 | |
| 596 | utc = tm->type == V_ASN1_UTCTIME; |
| 597 | p = (char*)tm->data; |
| 598 | len = tm->length; |
| 599 | end = p + len - 1; |
| 600 | |
| 601 | /* GMT */ |
| 602 | *gmt = (*end == 'Z'); |
| 603 | |
| 604 | /* parse parts */ |
| 605 | for (i = 0; i < 7 && p < end; ++i) { |
| 606 | pj_str_t st; |
| 607 | |
| 608 | if (i==0 && !utc) { |
| 609 | /* 4 digits year part for non-UTC time format */ |
| 610 | st.slen = 4; |
| 611 | } else if (i==6) { |
| 612 | /* fraction of seconds */ |
| 613 | if (*p == '.') ++p; |
| 614 | st.slen = end - p + 1; |
| 615 | } else { |
| 616 | /* other parts always 2 digits length */ |
| 617 | st.slen = 2; |
| 618 | } |
| 619 | st.ptr = p; |
| 620 | |
| 621 | parts[i] = pj_strtoul(&st); |
| 622 | p += st.slen; |
| 623 | } |
| 624 | |
| 625 | /* encode parts to pj_time_val */ |
| 626 | pt.year = parts[0]; |
| 627 | if (utc) |
| 628 | pt.year += (pt.year < 50)? 2000:1900; |
| 629 | pt.mon = parts[1] - 1; |
| 630 | pt.day = parts[2]; |
| 631 | pt.hour = parts[3]; |
| 632 | pt.min = parts[4]; |
| 633 | pt.sec = parts[5]; |
| 634 | pt.msec = parts[6]; |
| 635 | |
| 636 | pj_time_encode(&pt, tv); |
| 637 | |
| 638 | return PJ_TRUE; |
| 639 | } |
| 640 | |
| 641 | |
| 642 | /* Get certificate info from OpenSSL X509 */ |
| 643 | static void get_cert_info(pj_pool_t *pool, pj_ssl_cert_info *ci, X509 *x) |
| 644 | { |
| 645 | pj_ssl_cert_info info; |
| 646 | char buf1[256]; |
| 647 | char buf2[256]; |
| 648 | |
| 649 | pj_assert(pool && ci); |
| 650 | |
| 651 | if (!x) { |
| 652 | pj_bzero(ci, sizeof(pj_ssl_cert_info)); |
| 653 | return; |
| 654 | } |
| 655 | |
| 656 | pj_bzero(&info, sizeof(info)); |
| 657 | |
| 658 | /* Populate cert info */ |
| 659 | info.subject = pj_str(X509_NAME_oneline(X509_get_subject_name(x),buf1, |
| 660 | sizeof(buf1))); |
| 661 | info.issuer = pj_str(X509_NAME_oneline(X509_get_issuer_name(x), buf2, |
| 662 | sizeof(buf2))); |
| 663 | info.version = X509_get_version(x) + 1; |
| 664 | parse_ossl_asn1_time(&info.validity_start, &info.validity_use_gmt, |
| 665 | X509_get_notBefore(x)); |
| 666 | parse_ossl_asn1_time(&info.validity_end, &info.validity_use_gmt, |
| 667 | X509_get_notAfter(x)); |
| 668 | |
| 669 | /* Update certificate info */ |
| 670 | if (pj_strcmp(&ci->subject, &info.subject)) |
| 671 | pj_strdup(pool, &ci->subject, &info.subject); |
| 672 | if (pj_strcmp(&ci->issuer, &info.issuer)) |
| 673 | pj_strdup(pool, &ci->issuer, &info.issuer); |
| 674 | ci->version = info.version; |
| 675 | ci->validity_start = info.validity_start; |
| 676 | ci->validity_end = info.validity_end; |
| 677 | ci->validity_use_gmt = info.validity_use_gmt; |
| 678 | } |
| 679 | |
| 680 | |
| 681 | /* Update local & remote certificates info. This function should be |
| 682 | * called after handshake or renegotiation successfully completed. |
| 683 | */ |
| 684 | static void update_certs_info(pj_ssl_sock_t *ssock) |
| 685 | { |
| 686 | X509 *x; |
| 687 | |
| 688 | pj_assert(ssock->ssl_state == SSL_STATE_ESTABLISHED); |
| 689 | |
| 690 | /* Active local certificate */ |
| 691 | x = SSL_get_certificate(ssock->ossl_ssl); |
| 692 | get_cert_info(ssock->pool, &ssock->local_cert_info, x); |
| 693 | /* Don't free local's X509! */ |
| 694 | |
| 695 | /* Active remote certificate */ |
| 696 | x = SSL_get_peer_certificate(ssock->ossl_ssl); |
| 697 | get_cert_info(ssock->pool, &ssock->remote_cert_info, x); |
| 698 | /* Free peer's X509 */ |
| 699 | X509_free(x); |
| 700 | } |
| 701 | |
| 702 | |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 703 | /* When handshake completed: |
| 704 | * - notify application |
| 705 | * - if handshake failed, reset SSL state |
| 706 | * - return PJ_FALSE when SSL socket instance is destroyed by application. |
| 707 | */ |
| 708 | static pj_bool_t on_handshake_complete(pj_ssl_sock_t *ssock, |
| 709 | pj_status_t status) |
| 710 | { |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 711 | /* Cancel handshake timer */ |
Nanang Izzuddin | 8e5f634 | 2009-11-06 08:01:59 +0000 | [diff] [blame] | 712 | if (ssock->timer.id == TIMER_HANDSHAKE_TIMEOUT) { |
| 713 | pj_timer_heap_cancel(ssock->param.timer_heap, &ssock->timer); |
| 714 | ssock->timer.id = TIMER_NONE; |
| 715 | } |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 716 | |
| 717 | /* Update certificates info on successful handshake */ |
| 718 | if (status == PJ_SUCCESS) |
| 719 | update_certs_info(ssock); |
| 720 | |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 721 | /* Accepting */ |
| 722 | if (ssock->is_server) { |
| 723 | if (status != PJ_SUCCESS) { |
| 724 | /* Handshake failed in accepting, destroy our self silently. */ |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 725 | |
| 726 | char errmsg[PJ_ERR_MSG_SIZE]; |
| 727 | char buf[PJ_INET6_ADDRSTRLEN+10]; |
| 728 | |
| 729 | pj_strerror(status, errmsg, sizeof(errmsg)); |
| 730 | PJ_LOG(3,(ssock->pool->obj_name, "Handshake failed in accepting " |
| 731 | "%s: %s", |
| 732 | pj_sockaddr_print(&ssock->rem_addr, buf, sizeof(buf), 3), |
| 733 | errmsg)); |
| 734 | |
Nanang Izzuddin | 8e5f634 | 2009-11-06 08:01:59 +0000 | [diff] [blame] | 735 | /* Workaround for ticket #985 */ |
| 736 | #if defined(PJ_WIN32) && PJ_WIN32!=0 |
| 737 | if (ssock->param.timer_heap) { |
| 738 | pj_time_val interval = {0, DELAYED_CLOSE_TIMEOUT}; |
| 739 | |
| 740 | reset_ssl_sock_state(ssock); |
| 741 | |
| 742 | ssock->timer.id = TIMER_CLOSE; |
| 743 | pj_time_val_normalize(&interval); |
| 744 | if (pj_timer_heap_schedule(ssock->param.timer_heap, |
| 745 | &ssock->timer, &interval) != 0) |
| 746 | { |
| 747 | ssock->timer.id = TIMER_NONE; |
| 748 | pj_ssl_sock_close(ssock); |
| 749 | } |
| 750 | } else |
| 751 | #endif /* PJ_WIN32 */ |
| 752 | { |
| 753 | pj_ssl_sock_close(ssock); |
| 754 | } |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 755 | return PJ_FALSE; |
| 756 | } |
| 757 | /* Notify application the newly accepted SSL socket */ |
| 758 | if (ssock->param.cb.on_accept_complete) { |
| 759 | pj_bool_t ret; |
| 760 | ret = (*ssock->param.cb.on_accept_complete) |
| 761 | (ssock->parent, ssock, (pj_sockaddr_t*)&ssock->rem_addr, |
| 762 | pj_sockaddr_get_len((pj_sockaddr_t*)&ssock->rem_addr)); |
| 763 | if (ret == PJ_FALSE) |
| 764 | return PJ_FALSE; |
| 765 | } |
| 766 | } |
| 767 | |
| 768 | /* Connecting */ |
| 769 | else { |
Nanang Izzuddin | 4874763 | 2009-11-20 07:48:41 +0000 | [diff] [blame] | 770 | /* On failure, reset SSL socket state first, as app may try to |
| 771 | * reconnect in the callback. |
| 772 | */ |
| 773 | if (status != PJ_SUCCESS) { |
| 774 | reset_ssl_sock_state(ssock); |
| 775 | } |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 776 | if (ssock->param.cb.on_connect_complete) { |
| 777 | pj_bool_t ret; |
| 778 | ret = (*ssock->param.cb.on_connect_complete)(ssock, status); |
| 779 | if (ret == PJ_FALSE) |
| 780 | return PJ_FALSE; |
| 781 | } |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 782 | } |
| 783 | |
| 784 | return PJ_TRUE; |
| 785 | } |
| 786 | |
| 787 | /* Flush write BIO to network socket. Note that any access to write BIO |
| 788 | * MUST be serialized, so mutex protection must cover any call to OpenSSL |
| 789 | * API (that possibly generate data for write BIO) along with the call to |
| 790 | * this function (flushing all data in write BIO generated by above |
| 791 | * OpenSSL API call). |
| 792 | */ |
| 793 | static pj_status_t flush_write_bio(pj_ssl_sock_t *ssock, |
| 794 | pj_ioqueue_op_key_t *send_key, |
| 795 | pj_size_t orig_len, |
| 796 | unsigned flags) |
| 797 | { |
| 798 | char *data; |
| 799 | pj_ssize_t len; |
| 800 | |
| 801 | write_state_t *write_st = &ssock->write_state; |
| 802 | write_data_t *wdata; |
| 803 | pj_size_t avail_len, needed_len, skipped_len = 0; |
| 804 | pj_status_t status; |
| 805 | |
| 806 | /* Check if there is data in write BIO, flush it if any */ |
| 807 | if (!BIO_pending(ssock->ossl_wbio)) |
| 808 | return PJ_SUCCESS; |
| 809 | |
| 810 | /* Get data and its length */ |
| 811 | len = BIO_get_mem_data(ssock->ossl_wbio, &data); |
| 812 | if (len == 0) |
| 813 | return PJ_SUCCESS; |
| 814 | |
| 815 | /* Calculate buffer size needed, and align it to 8 */ |
| 816 | needed_len = len + sizeof(write_data_t); |
| 817 | needed_len = ((needed_len + 7) >> 3) << 3; |
| 818 | |
| 819 | /* Check buffer availability */ |
| 820 | avail_len = write_st->max_len - write_st->len; |
| 821 | if (avail_len < needed_len) |
| 822 | return PJ_ENOMEM; |
| 823 | |
| 824 | /* More buffer availability check, note that the write data must be in |
| 825 | * a contigue buffer. |
| 826 | */ |
| 827 | if (write_st->len == 0) { |
| 828 | |
| 829 | write_st->start = write_st->buf; |
| 830 | wdata = (write_data_t*)write_st->start; |
| 831 | |
| 832 | } else { |
| 833 | |
| 834 | char *reg1, *reg2; |
| 835 | pj_size_t reg1_len, reg2_len; |
| 836 | |
| 837 | /* Unused slots may be wrapped/splitted into two regions, so let's |
| 838 | * analyze them if any region can hold the write data. |
| 839 | */ |
| 840 | reg1 = write_st->start + write_st->len; |
| 841 | if (reg1 >= write_st->buf + write_st->max_len) |
| 842 | reg1 -= write_st->max_len; |
| 843 | reg1_len = write_st->max_len - write_st->len; |
| 844 | if (reg1 + reg1_len > write_st->buf + write_st->max_len) { |
| 845 | reg1_len = write_st->buf + write_st->max_len - reg1; |
| 846 | reg2 = write_st->buf; |
| 847 | reg2_len = write_st->start - write_st->buf; |
| 848 | } else { |
| 849 | reg2 = NULL; |
| 850 | reg2_len = 0; |
| 851 | } |
| 852 | avail_len = PJ_MAX(reg1_len, reg2_len); |
| 853 | if (avail_len < needed_len) |
| 854 | return PJ_ENOMEM; |
| 855 | |
| 856 | /* Get write data pointer and update buffer length */ |
| 857 | if (reg1_len >= needed_len) { |
| 858 | wdata = (write_data_t*)reg1; |
| 859 | } else { |
| 860 | wdata = (write_data_t*)reg2; |
| 861 | /* Unused slot in region 1 is skipped as current write data |
| 862 | * doesn't fit it. |
| 863 | */ |
| 864 | skipped_len = reg1_len; |
| 865 | } |
| 866 | } |
| 867 | |
| 868 | /* Copy the data and set its properties into the buffer */ |
| 869 | pj_bzero(wdata, sizeof(write_data_t)); |
| 870 | wdata->app_key = send_key; |
| 871 | wdata->record_len = needed_len; |
| 872 | wdata->data_len = len; |
| 873 | wdata->plain_data_len = orig_len; |
| 874 | wdata->flags = flags; |
| 875 | pj_memcpy(&wdata->data, data, len); |
| 876 | |
| 877 | /* Send it */ |
| 878 | if (ssock->param.sock_type == pj_SOCK_STREAM()) { |
| 879 | status = pj_activesock_send(ssock->asock, &wdata->key, |
| 880 | wdata->data.content, &len, |
| 881 | flags); |
| 882 | } else { |
| 883 | status = pj_activesock_sendto(ssock->asock, &wdata->key, |
| 884 | wdata->data.content, &len, |
| 885 | flags, |
| 886 | (pj_sockaddr_t*)&ssock->rem_addr, |
| 887 | ssock->addr_len); |
| 888 | } |
| 889 | |
| 890 | /* Oh no, EWOULDBLOCK! */ |
| 891 | if (status == PJ_STATUS_FROM_OS(OSERR_EWOULDBLOCK)) { |
| 892 | /* Just return PJ_SUCCESS here, the pending data will be sent in next |
| 893 | * call of this function since the data is still stored in write BIO. |
| 894 | */ |
| 895 | return PJ_SUCCESS; |
| 896 | } |
| 897 | |
| 898 | /* Reset write BIO after flushed */ |
| 899 | BIO_reset(ssock->ossl_wbio); |
| 900 | |
| 901 | if (status == PJ_EPENDING) { |
| 902 | /* Update write state */ |
| 903 | pj_assert(skipped_len==0 || write_st->last_data); |
| 904 | write_st->len += needed_len + skipped_len; |
| 905 | if (write_st->last_data) |
| 906 | write_st->last_data->record_len += skipped_len; |
| 907 | write_st->last_data = wdata; |
| 908 | } |
| 909 | |
| 910 | return status; |
| 911 | } |
| 912 | |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 913 | |
Nanang Izzuddin | 8e5f634 | 2009-11-06 08:01:59 +0000 | [diff] [blame] | 914 | static void on_timer(pj_timer_heap_t *th, struct pj_timer_entry *te) |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 915 | { |
| 916 | pj_ssl_sock_t *ssock = (pj_ssl_sock_t*)te->user_data; |
Nanang Izzuddin | 8e5f634 | 2009-11-06 08:01:59 +0000 | [diff] [blame] | 917 | int timer_id = te->id; |
| 918 | |
| 919 | te->id = TIMER_NONE; |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 920 | |
| 921 | PJ_UNUSED_ARG(th); |
| 922 | |
Nanang Izzuddin | 8e5f634 | 2009-11-06 08:01:59 +0000 | [diff] [blame] | 923 | switch (timer_id) { |
| 924 | case TIMER_HANDSHAKE_TIMEOUT: |
| 925 | PJ_LOG(1,(ssock->pool->obj_name, "SSL handshake timeout after %d.%ds", |
| 926 | ssock->param.timeout.sec, ssock->param.timeout.msec)); |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 927 | |
Nanang Izzuddin | 8e5f634 | 2009-11-06 08:01:59 +0000 | [diff] [blame] | 928 | on_handshake_complete(ssock, PJ_ETIMEDOUT); |
| 929 | break; |
| 930 | case TIMER_CLOSE: |
| 931 | pj_ssl_sock_close(ssock); |
| 932 | break; |
| 933 | default: |
| 934 | pj_assert(!"Unknown timer"); |
| 935 | break; |
| 936 | } |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 937 | } |
| 938 | |
| 939 | |
| 940 | /* Asynchronouse handshake */ |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 941 | static pj_status_t do_handshake(pj_ssl_sock_t *ssock) |
| 942 | { |
| 943 | pj_status_t status; |
| 944 | int err; |
| 945 | |
| 946 | pj_lock_acquire(ssock->write_mutex); |
| 947 | |
| 948 | /* Perform SSL handshake */ |
| 949 | err = SSL_do_handshake(ssock->ossl_ssl); |
| 950 | if (err < 0) { |
| 951 | err = SSL_get_error(ssock->ossl_ssl, err); |
| 952 | if (err != SSL_ERROR_NONE && err != SSL_ERROR_WANT_READ) |
| 953 | { |
| 954 | /* Handshake fails */ |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 955 | GET_SSL_STATUS(status); |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 956 | pj_lock_release(ssock->write_mutex); |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 957 | return status; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 958 | } |
| 959 | } |
| 960 | |
| 961 | /* SSL_do_handshake() may put some pending data into SSL write BIO, |
| 962 | * flush it if any. |
| 963 | */ |
| 964 | status = flush_write_bio(ssock, &ssock->handshake_op_key, 0, 0); |
| 965 | if (status != PJ_SUCCESS && status != PJ_EPENDING) { |
| 966 | pj_lock_release(ssock->write_mutex); |
| 967 | return status; |
| 968 | } |
| 969 | |
| 970 | pj_lock_release(ssock->write_mutex); |
| 971 | |
| 972 | /* Check if handshake has been completed */ |
| 973 | if (SSL_is_init_finished(ssock->ossl_ssl)) { |
| 974 | ssock->ssl_state = SSL_STATE_ESTABLISHED; |
| 975 | return PJ_SUCCESS; |
| 976 | } |
| 977 | |
| 978 | return PJ_EPENDING; |
| 979 | } |
| 980 | |
| 981 | |
| 982 | /* |
| 983 | ******************************************************************* |
| 984 | * Active socket callbacks. |
| 985 | ******************************************************************* |
| 986 | */ |
| 987 | |
| 988 | static pj_bool_t asock_on_data_read (pj_activesock_t *asock, |
| 989 | void *data, |
| 990 | pj_size_t size, |
| 991 | pj_status_t status, |
| 992 | pj_size_t *remainder) |
| 993 | { |
| 994 | pj_ssl_sock_t *ssock = (pj_ssl_sock_t*) |
| 995 | pj_activesock_get_user_data(asock); |
| 996 | pj_size_t nwritten; |
| 997 | |
| 998 | /* Socket error or closed */ |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 999 | if (data && size > 0) { |
| 1000 | /* Consume the whole data */ |
| 1001 | nwritten = BIO_write(ssock->ossl_rbio, data, size); |
| 1002 | if (nwritten < size) { |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 1003 | GET_SSL_STATUS(status); |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1004 | goto on_error; |
| 1005 | } |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1006 | } |
| 1007 | |
| 1008 | /* Check if SSL handshake hasn't finished yet */ |
| 1009 | if (ssock->ssl_state == SSL_STATE_HANDSHAKING) { |
| 1010 | pj_bool_t ret = PJ_TRUE; |
| 1011 | |
| 1012 | if (status == PJ_SUCCESS) |
| 1013 | status = do_handshake(ssock); |
| 1014 | |
| 1015 | /* Not pending is either success or failed */ |
| 1016 | if (status != PJ_EPENDING) |
| 1017 | ret = on_handshake_complete(ssock, status); |
| 1018 | |
| 1019 | return ret; |
| 1020 | } |
| 1021 | |
| 1022 | /* See if there is any decrypted data for the application */ |
| 1023 | if (ssock->read_started) { |
| 1024 | do { |
| 1025 | read_data_t *buf = *(OFFSET_OF_READ_DATA_PTR(ssock, data)); |
| 1026 | void *data_ = (pj_int8_t*)buf->data + buf->len; |
| 1027 | int size_ = ssock->read_size - buf->len; |
| 1028 | |
| 1029 | /* SSL_read() may write some data to BIO write when re-negotiation |
| 1030 | * is on progress, so let's protect it with write mutex. |
| 1031 | */ |
| 1032 | pj_lock_acquire(ssock->write_mutex); |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1033 | size_ = SSL_read(ssock->ossl_ssl, data_, size_); |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1034 | pj_lock_release(ssock->write_mutex); |
| 1035 | |
| 1036 | if (size_ > 0 || status != PJ_SUCCESS) { |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1037 | if (ssock->param.cb.on_data_read) { |
| 1038 | pj_bool_t ret; |
| 1039 | pj_size_t remainder_ = 0; |
| 1040 | |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1041 | if (size_ > 0) |
| 1042 | buf->len += size_; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1043 | |
| 1044 | ret = (*ssock->param.cb.on_data_read)(ssock, buf->data, |
| 1045 | buf->len, status, |
| 1046 | &remainder_); |
| 1047 | if (!ret) { |
| 1048 | /* We've been destroyed */ |
| 1049 | return PJ_FALSE; |
| 1050 | } |
| 1051 | |
| 1052 | /* Application may have left some data to be consumed |
| 1053 | * later. |
| 1054 | */ |
| 1055 | buf->len = remainder_; |
| 1056 | } |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1057 | |
| 1058 | /* Active socket signalled connection closed/error, this has |
| 1059 | * been signalled to the application along with any remaining |
| 1060 | * buffer. So, let's just reset SSL socket now. |
| 1061 | */ |
| 1062 | if (status != PJ_SUCCESS) { |
| 1063 | reset_ssl_sock_state(ssock); |
| 1064 | return PJ_FALSE; |
| 1065 | } |
| 1066 | |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1067 | } else { |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1068 | |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1069 | int err = SSL_get_error(ssock->ossl_ssl, size); |
| 1070 | |
| 1071 | /* SSL might just return SSL_ERROR_WANT_READ in |
| 1072 | * re-negotiation. |
| 1073 | */ |
| 1074 | if (err != SSL_ERROR_NONE && err != SSL_ERROR_WANT_READ) |
| 1075 | { |
| 1076 | /* Reset SSL socket state, then return PJ_FALSE */ |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 1077 | GET_SSL_STATUS(status); |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1078 | reset_ssl_sock_state(ssock); |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1079 | goto on_error; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1080 | } |
| 1081 | |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1082 | status = do_handshake(ssock); |
| 1083 | if (status == PJ_SUCCESS) { |
| 1084 | /* Renegotiation completed */ |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1085 | |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1086 | /* Update certificates */ |
| 1087 | update_certs_info(ssock); |
| 1088 | |
| 1089 | pj_lock_acquire(ssock->write_mutex); |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1090 | status = flush_delayed_send(ssock); |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1091 | pj_lock_release(ssock->write_mutex); |
| 1092 | |
| 1093 | if (status != PJ_SUCCESS && status != PJ_EPENDING) { |
Benny Prijono | 7ee0533 | 2009-11-09 04:34:50 +0000 | [diff] [blame] | 1094 | PJ_PERROR(1,(ssock->pool->obj_name, status, |
| 1095 | "Failed to flush delayed send")); |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1096 | goto on_error; |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1097 | } |
| 1098 | } else if (status != PJ_EPENDING) { |
Benny Prijono | 7ee0533 | 2009-11-09 04:34:50 +0000 | [diff] [blame] | 1099 | PJ_PERROR(1,(ssock->pool->obj_name, status, |
| 1100 | "Renegotiation failed")); |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1101 | goto on_error; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1102 | } |
| 1103 | |
| 1104 | break; |
| 1105 | } |
| 1106 | } while (1); |
| 1107 | } |
| 1108 | |
| 1109 | return PJ_TRUE; |
| 1110 | |
| 1111 | on_error: |
| 1112 | if (ssock->ssl_state == SSL_STATE_HANDSHAKING) |
| 1113 | return on_handshake_complete(ssock, status); |
| 1114 | |
| 1115 | if (ssock->read_started && ssock->param.cb.on_data_read) { |
| 1116 | pj_bool_t ret; |
| 1117 | ret = (*ssock->param.cb.on_data_read)(ssock, NULL, 0, status, |
| 1118 | remainder); |
| 1119 | if (!ret) { |
| 1120 | /* We've been destroyed */ |
| 1121 | return PJ_FALSE; |
| 1122 | } |
| 1123 | } |
| 1124 | |
| 1125 | reset_ssl_sock_state(ssock); |
| 1126 | return PJ_FALSE; |
| 1127 | } |
| 1128 | |
| 1129 | |
| 1130 | static pj_bool_t asock_on_data_sent (pj_activesock_t *asock, |
| 1131 | pj_ioqueue_op_key_t *send_key, |
| 1132 | pj_ssize_t sent) |
| 1133 | { |
| 1134 | pj_ssl_sock_t *ssock = (pj_ssl_sock_t*) |
| 1135 | pj_activesock_get_user_data(asock); |
| 1136 | |
| 1137 | PJ_UNUSED_ARG(send_key); |
| 1138 | PJ_UNUSED_ARG(sent); |
| 1139 | |
| 1140 | if (ssock->ssl_state == SSL_STATE_HANDSHAKING) { |
| 1141 | /* Initial handshaking */ |
| 1142 | pj_status_t status; |
| 1143 | |
| 1144 | status = do_handshake(ssock); |
| 1145 | /* Not pending is either success or failed */ |
| 1146 | if (status != PJ_EPENDING) |
| 1147 | return on_handshake_complete(ssock, status); |
| 1148 | |
| 1149 | } else if (send_key != &ssock->handshake_op_key) { |
| 1150 | /* Some data has been sent, notify application */ |
| 1151 | write_data_t *wdata = (write_data_t*)send_key; |
| 1152 | if (ssock->param.cb.on_data_sent) { |
| 1153 | pj_bool_t ret; |
| 1154 | ret = (*ssock->param.cb.on_data_sent)(ssock, wdata->app_key, |
| 1155 | wdata->plain_data_len); |
| 1156 | if (!ret) { |
| 1157 | /* We've been destroyed */ |
| 1158 | return PJ_FALSE; |
| 1159 | } |
| 1160 | } |
| 1161 | |
| 1162 | /* Update write buffer state */ |
| 1163 | pj_lock_acquire(ssock->write_mutex); |
| 1164 | ssock->write_state.start += wdata->record_len; |
| 1165 | ssock->write_state.len -= wdata->record_len; |
| 1166 | if (ssock->write_state.last_data == wdata) { |
| 1167 | pj_assert(ssock->write_state.len == 0); |
| 1168 | ssock->write_state.last_data = NULL; |
| 1169 | } |
| 1170 | pj_lock_release(ssock->write_mutex); |
| 1171 | |
| 1172 | } else { |
| 1173 | /* SSL re-negotiation is on-progress, just do nothing */ |
| 1174 | } |
| 1175 | |
| 1176 | return PJ_TRUE; |
| 1177 | } |
| 1178 | |
| 1179 | |
| 1180 | static pj_bool_t asock_on_accept_complete (pj_activesock_t *asock, |
| 1181 | pj_sock_t newsock, |
| 1182 | const pj_sockaddr_t *src_addr, |
| 1183 | int src_addr_len) |
| 1184 | { |
| 1185 | pj_ssl_sock_t *ssock_parent = (pj_ssl_sock_t*) |
| 1186 | pj_activesock_get_user_data(asock); |
| 1187 | pj_ssl_sock_t *ssock; |
| 1188 | pj_activesock_cb asock_cb; |
| 1189 | pj_activesock_cfg asock_cfg; |
| 1190 | unsigned i; |
| 1191 | pj_status_t status; |
| 1192 | |
| 1193 | PJ_UNUSED_ARG(src_addr_len); |
| 1194 | |
| 1195 | /* Create new SSL socket instance */ |
| 1196 | status = pj_ssl_sock_create(ssock_parent->pool, &ssock_parent->param, |
| 1197 | &ssock); |
| 1198 | if (status != PJ_SUCCESS) |
| 1199 | goto on_return; |
| 1200 | |
| 1201 | /* Update new SSL socket attributes */ |
| 1202 | ssock->sock = newsock; |
| 1203 | ssock->parent = ssock_parent; |
| 1204 | ssock->is_server = PJ_TRUE; |
| 1205 | if (ssock_parent->cert) { |
| 1206 | status = pj_ssl_sock_set_certificate(ssock, ssock->pool, |
| 1207 | ssock_parent->cert); |
| 1208 | if (status != PJ_SUCCESS) |
| 1209 | goto on_return; |
| 1210 | } |
| 1211 | |
Benny Prijono | a25bc9d | 2009-11-09 08:51:34 +0000 | [diff] [blame] | 1212 | /* Apply QoS, if specified */ |
| 1213 | status = pj_sock_apply_qos2(ssock->sock, ssock->param.qos_type, |
| 1214 | &ssock->param.qos_params, 1, |
| 1215 | ssock->pool->obj_name, NULL); |
| 1216 | if (status != PJ_SUCCESS && !ssock->param.qos_ignore_error) |
| 1217 | goto on_return; |
| 1218 | |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1219 | /* Update local address */ |
| 1220 | ssock->addr_len = src_addr_len; |
| 1221 | status = pj_sock_getsockname(ssock->sock, &ssock->local_addr, |
| 1222 | &ssock->addr_len); |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 1223 | if (status != PJ_SUCCESS) { |
| 1224 | /* This fails on few envs, e.g: win IOCP, just tolerate this and |
| 1225 | * use parent local address instead. |
| 1226 | */ |
| 1227 | pj_sockaddr_cp(&ssock->local_addr, &ssock_parent->local_addr); |
| 1228 | } |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1229 | |
| 1230 | /* Set remote address */ |
| 1231 | pj_sockaddr_cp(&ssock->rem_addr, src_addr); |
| 1232 | |
| 1233 | /* Create SSL context */ |
| 1234 | status = create_ssl_ctx(ssock, &ssock->ossl_ctx); |
| 1235 | if (status != PJ_SUCCESS) |
| 1236 | goto on_return; |
| 1237 | |
| 1238 | /* Create SSL instance */ |
| 1239 | ssock->ossl_ssl = SSL_new(ssock->ossl_ctx); |
| 1240 | if (ssock->ossl_ssl == NULL) { |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 1241 | GET_SSL_STATUS(status); |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1242 | goto on_return; |
| 1243 | } |
| 1244 | |
| 1245 | /* Set cipher list */ |
| 1246 | status = set_cipher_list(ssock); |
| 1247 | if (status != PJ_SUCCESS) |
| 1248 | goto on_return; |
| 1249 | |
| 1250 | /* Setup SSL BIOs */ |
| 1251 | ssock->ossl_rbio = BIO_new(BIO_s_mem()); |
| 1252 | ssock->ossl_wbio = BIO_new(BIO_s_mem()); |
| 1253 | BIO_set_close(ssock->ossl_rbio, BIO_CLOSE); |
| 1254 | BIO_set_close(ssock->ossl_wbio, BIO_CLOSE); |
| 1255 | SSL_set_bio(ssock->ossl_ssl, ssock->ossl_rbio, ssock->ossl_wbio); |
| 1256 | |
| 1257 | /* Prepare read buffer */ |
| 1258 | ssock->asock_rbuf = (void**)pj_pool_calloc(ssock->pool, |
| 1259 | ssock->param.async_cnt, |
| 1260 | sizeof(void*)); |
| 1261 | for (i = 0; i<ssock->param.async_cnt; ++i) { |
| 1262 | ssock->asock_rbuf[i] = (void*) pj_pool_alloc( |
| 1263 | ssock->pool, |
| 1264 | ssock->param.read_buffer_size + |
| 1265 | sizeof(read_data_t*)); |
| 1266 | } |
| 1267 | |
| 1268 | /* Create active socket */ |
| 1269 | pj_activesock_cfg_default(&asock_cfg); |
| 1270 | asock_cfg.async_cnt = ssock->param.async_cnt; |
| 1271 | asock_cfg.concurrency = ssock->param.concurrency; |
| 1272 | asock_cfg.whole_data = PJ_TRUE; |
| 1273 | |
| 1274 | pj_bzero(&asock_cb, sizeof(asock_cb)); |
| 1275 | asock_cb.on_data_read = asock_on_data_read; |
| 1276 | asock_cb.on_data_sent = asock_on_data_sent; |
| 1277 | |
| 1278 | status = pj_activesock_create(ssock->pool, |
| 1279 | ssock->sock, |
| 1280 | ssock->param.sock_type, |
| 1281 | &asock_cfg, |
| 1282 | ssock->param.ioqueue, |
| 1283 | &asock_cb, |
| 1284 | ssock, |
| 1285 | &ssock->asock); |
| 1286 | |
| 1287 | if (status != PJ_SUCCESS) |
| 1288 | goto on_return; |
| 1289 | |
| 1290 | /* Start read */ |
| 1291 | status = pj_activesock_start_read2(ssock->asock, ssock->pool, |
| 1292 | ssock->param.read_buffer_size, |
| 1293 | ssock->asock_rbuf, |
| 1294 | PJ_IOQUEUE_ALWAYS_ASYNC); |
| 1295 | if (status != PJ_SUCCESS) |
| 1296 | goto on_return; |
| 1297 | |
| 1298 | /* Prepare write/send state */ |
| 1299 | pj_assert(ssock->write_state.max_len == 0); |
| 1300 | ssock->write_state.buf = (char*) |
| 1301 | pj_pool_alloc(ssock->pool, |
| 1302 | ssock->param.send_buffer_size); |
| 1303 | ssock->write_state.max_len = ssock->param.send_buffer_size; |
| 1304 | ssock->write_state.start = ssock->write_state.buf; |
| 1305 | ssock->write_state.len = 0; |
| 1306 | |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1307 | /* Start handshake timer */ |
| 1308 | if (ssock->param.timer_heap && (ssock->param.timeout.sec != 0 || |
| 1309 | ssock->param.timeout.msec != 0)) |
| 1310 | { |
Nanang Izzuddin | 8e5f634 | 2009-11-06 08:01:59 +0000 | [diff] [blame] | 1311 | pj_assert(ssock->timer.id == TIMER_NONE); |
| 1312 | ssock->timer.id = TIMER_HANDSHAKE_TIMEOUT; |
| 1313 | status = pj_timer_heap_schedule(ssock->param.timer_heap, |
| 1314 | &ssock->timer, |
| 1315 | &ssock->param.timeout); |
| 1316 | if (status != PJ_SUCCESS) |
| 1317 | ssock->timer.id = TIMER_NONE; |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1318 | } |
| 1319 | |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1320 | /* Start SSL handshake */ |
| 1321 | ssock->ssl_state = SSL_STATE_HANDSHAKING; |
| 1322 | SSL_set_accept_state(ssock->ossl_ssl); |
| 1323 | status = do_handshake(ssock); |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1324 | |
| 1325 | on_return: |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 1326 | if (ssock && status != PJ_EPENDING) |
| 1327 | on_handshake_complete(ssock, status); |
| 1328 | |
| 1329 | /* Must return PJ_TRUE whatever happened, as active socket must |
| 1330 | * continue listening. |
| 1331 | */ |
| 1332 | return PJ_TRUE; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1333 | } |
| 1334 | |
| 1335 | |
| 1336 | static pj_bool_t asock_on_connect_complete (pj_activesock_t *asock, |
| 1337 | pj_status_t status) |
| 1338 | { |
| 1339 | pj_ssl_sock_t *ssock = (pj_ssl_sock_t*) |
| 1340 | pj_activesock_get_user_data(asock); |
| 1341 | unsigned i; |
| 1342 | |
| 1343 | if (status != PJ_SUCCESS) |
| 1344 | goto on_return; |
| 1345 | |
| 1346 | /* Update local address */ |
| 1347 | ssock->addr_len = sizeof(pj_sockaddr); |
| 1348 | status = pj_sock_getsockname(ssock->sock, &ssock->local_addr, |
| 1349 | &ssock->addr_len); |
| 1350 | if (status != PJ_SUCCESS) |
| 1351 | goto on_return; |
| 1352 | |
| 1353 | /* Create SSL context */ |
| 1354 | status = create_ssl_ctx(ssock, &ssock->ossl_ctx); |
| 1355 | if (status != PJ_SUCCESS) |
| 1356 | goto on_return; |
| 1357 | |
| 1358 | /* Create SSL instance */ |
| 1359 | ssock->ossl_ssl = SSL_new(ssock->ossl_ctx); |
| 1360 | if (ssock->ossl_ssl == NULL) { |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 1361 | GET_SSL_STATUS(status); |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1362 | goto on_return; |
| 1363 | } |
| 1364 | |
| 1365 | /* Set cipher list */ |
| 1366 | status = set_cipher_list(ssock); |
| 1367 | if (status != PJ_SUCCESS) |
| 1368 | goto on_return; |
| 1369 | |
| 1370 | /* Setup SSL BIOs */ |
| 1371 | ssock->ossl_rbio = BIO_new(BIO_s_mem()); |
| 1372 | ssock->ossl_wbio = BIO_new(BIO_s_mem()); |
| 1373 | BIO_set_close(ssock->ossl_rbio, BIO_CLOSE); |
| 1374 | BIO_set_close(ssock->ossl_wbio, BIO_CLOSE); |
| 1375 | SSL_set_bio(ssock->ossl_ssl, ssock->ossl_rbio, ssock->ossl_wbio); |
| 1376 | |
| 1377 | /* Prepare read buffer */ |
| 1378 | ssock->asock_rbuf = (void**)pj_pool_calloc(ssock->pool, |
| 1379 | ssock->param.async_cnt, |
| 1380 | sizeof(void*)); |
| 1381 | for (i = 0; i<ssock->param.async_cnt; ++i) { |
| 1382 | ssock->asock_rbuf[i] = (void*) pj_pool_alloc( |
| 1383 | ssock->pool, |
| 1384 | ssock->param.read_buffer_size + |
| 1385 | sizeof(read_data_t*)); |
| 1386 | } |
| 1387 | |
| 1388 | /* Start read */ |
| 1389 | status = pj_activesock_start_read2(ssock->asock, ssock->pool, |
| 1390 | ssock->param.read_buffer_size, |
| 1391 | ssock->asock_rbuf, |
| 1392 | PJ_IOQUEUE_ALWAYS_ASYNC); |
| 1393 | if (status != PJ_SUCCESS) |
| 1394 | goto on_return; |
| 1395 | |
| 1396 | /* Prepare write/send state */ |
| 1397 | pj_assert(ssock->write_state.max_len == 0); |
| 1398 | ssock->write_state.buf = (char*) |
| 1399 | pj_pool_alloc(ssock->pool, |
| 1400 | ssock->param.send_buffer_size); |
| 1401 | ssock->write_state.max_len = ssock->param.send_buffer_size; |
| 1402 | ssock->write_state.start = ssock->write_state.buf; |
| 1403 | ssock->write_state.len = 0; |
| 1404 | |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1405 | /* Start handshake timer */ |
| 1406 | if (ssock->param.timer_heap && (ssock->param.timeout.sec != 0 || |
| 1407 | ssock->param.timeout.msec != 0)) |
| 1408 | { |
Nanang Izzuddin | 8e5f634 | 2009-11-06 08:01:59 +0000 | [diff] [blame] | 1409 | pj_assert(ssock->timer.id == TIMER_NONE); |
| 1410 | ssock->timer.id = TIMER_HANDSHAKE_TIMEOUT; |
| 1411 | status = pj_timer_heap_schedule(ssock->param.timer_heap, |
| 1412 | &ssock->timer, |
| 1413 | &ssock->param.timeout); |
| 1414 | if (status != PJ_SUCCESS) |
| 1415 | ssock->timer.id = TIMER_NONE; |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1416 | } |
| 1417 | |
| 1418 | #ifdef SSL_set_tlsext_host_name |
| 1419 | /* Set server name to connect */ |
| 1420 | if (ssock->param.server_name.slen) { |
| 1421 | /* Server name is null terminated already */ |
| 1422 | if (!SSL_set_tlsext_host_name(ssock->ossl_ssl, |
| 1423 | ssock->param.server_name.ptr)) |
| 1424 | { |
| 1425 | char err_str[PJ_ERR_MSG_SIZE]; |
| 1426 | |
| 1427 | ERR_error_string_n(ERR_get_error(), err_str, sizeof(err_str)); |
| 1428 | PJ_LOG(3,(ssock->pool->obj_name, "SSL_set_tlsext_host_name() " |
| 1429 | "failed: %s", err_str)); |
| 1430 | } |
| 1431 | } |
| 1432 | #endif |
| 1433 | |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1434 | /* Start SSL handshake */ |
| 1435 | ssock->ssl_state = SSL_STATE_HANDSHAKING; |
| 1436 | SSL_set_connect_state(ssock->ossl_ssl); |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1437 | |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1438 | status = do_handshake(ssock); |
| 1439 | if (status != PJ_EPENDING) |
| 1440 | goto on_return; |
| 1441 | |
| 1442 | return PJ_TRUE; |
| 1443 | |
| 1444 | on_return: |
| 1445 | return on_handshake_complete(ssock, status); |
| 1446 | } |
| 1447 | |
| 1448 | |
| 1449 | |
| 1450 | /* |
| 1451 | ******************************************************************* |
| 1452 | * API |
| 1453 | ******************************************************************* |
| 1454 | */ |
| 1455 | |
| 1456 | /* Load credentials from files. */ |
| 1457 | PJ_DEF(pj_status_t) pj_ssl_cert_load_from_files (pj_pool_t *pool, |
| 1458 | const pj_str_t *CA_file, |
| 1459 | const pj_str_t *cert_file, |
| 1460 | const pj_str_t *privkey_file, |
| 1461 | const pj_str_t *privkey_pass, |
| 1462 | pj_ssl_cert_t **p_cert) |
| 1463 | { |
| 1464 | pj_ssl_cert_t *cert; |
| 1465 | |
| 1466 | PJ_ASSERT_RETURN(pool && CA_file && cert_file && privkey_file, PJ_EINVAL); |
| 1467 | |
| 1468 | cert = PJ_POOL_ZALLOC_T(pool, pj_ssl_cert_t); |
| 1469 | pj_strdup_with_null(pool, &cert->CA_file, CA_file); |
| 1470 | pj_strdup_with_null(pool, &cert->cert_file, cert_file); |
| 1471 | pj_strdup_with_null(pool, &cert->privkey_file, privkey_file); |
| 1472 | pj_strdup_with_null(pool, &cert->privkey_pass, privkey_pass); |
| 1473 | |
| 1474 | *p_cert = cert; |
| 1475 | |
| 1476 | return PJ_SUCCESS; |
| 1477 | } |
| 1478 | |
| 1479 | |
| 1480 | /* Set SSL socket credentials. */ |
| 1481 | PJ_DECL(pj_status_t) pj_ssl_sock_set_certificate( |
| 1482 | pj_ssl_sock_t *ssock, |
| 1483 | pj_pool_t *pool, |
| 1484 | const pj_ssl_cert_t *cert) |
| 1485 | { |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1486 | pj_ssl_cert_t *cert_; |
| 1487 | |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1488 | PJ_ASSERT_RETURN(ssock && pool && cert, PJ_EINVAL); |
| 1489 | |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1490 | cert_ = PJ_POOL_ZALLOC_T(pool, pj_ssl_cert_t); |
| 1491 | pj_memcpy(cert_, cert, sizeof(cert)); |
| 1492 | pj_strdup_with_null(pool, &cert_->CA_file, &cert->CA_file); |
| 1493 | pj_strdup_with_null(pool, &cert_->cert_file, &cert->cert_file); |
| 1494 | pj_strdup_with_null(pool, &cert_->privkey_file, &cert->privkey_file); |
| 1495 | pj_strdup_with_null(pool, &cert_->privkey_pass, &cert->privkey_pass); |
| 1496 | |
| 1497 | ssock->cert = cert_; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1498 | |
| 1499 | return PJ_SUCCESS; |
| 1500 | } |
| 1501 | |
| 1502 | |
| 1503 | /* Get available ciphers. */ |
| 1504 | PJ_DEF(pj_status_t) pj_ssl_cipher_get_availables(pj_ssl_cipher ciphers[], |
| 1505 | unsigned *cipher_num) |
| 1506 | { |
| 1507 | unsigned i; |
| 1508 | |
| 1509 | PJ_ASSERT_RETURN(ciphers && cipher_num, PJ_EINVAL); |
| 1510 | |
| 1511 | if (openssl_cipher_num == 0) { |
| 1512 | init_openssl(); |
| 1513 | shutdown_openssl(); |
| 1514 | } |
| 1515 | |
| 1516 | if (openssl_cipher_num == 0) |
| 1517 | return PJ_ENOTFOUND; |
| 1518 | |
| 1519 | *cipher_num = PJ_MIN(*cipher_num, openssl_cipher_num); |
| 1520 | |
| 1521 | for (i = 0; i < *cipher_num; ++i) |
| 1522 | ciphers[i] = openssl_ciphers[i]; |
| 1523 | |
| 1524 | return PJ_SUCCESS; |
| 1525 | } |
| 1526 | |
| 1527 | |
| 1528 | /* |
| 1529 | * Create SSL socket instance. |
| 1530 | */ |
| 1531 | PJ_DEF(pj_status_t) pj_ssl_sock_create (pj_pool_t *pool, |
| 1532 | const pj_ssl_sock_param *param, |
| 1533 | pj_ssl_sock_t **p_ssock) |
| 1534 | { |
| 1535 | pj_ssl_sock_t *ssock; |
| 1536 | pj_status_t status; |
| 1537 | |
| 1538 | PJ_ASSERT_RETURN(pool && param && p_ssock, PJ_EINVAL); |
| 1539 | PJ_ASSERT_RETURN(param->sock_type == pj_SOCK_STREAM(), PJ_ENOTSUP); |
| 1540 | |
| 1541 | pool = pj_pool_create(pool->factory, "ssl%p", 512, 512, NULL); |
| 1542 | |
| 1543 | /* Create secure socket */ |
| 1544 | ssock = PJ_POOL_ZALLOC_T(pool, pj_ssl_sock_t); |
| 1545 | ssock->pool = pool; |
| 1546 | ssock->sock = PJ_INVALID_SOCKET; |
| 1547 | ssock->ssl_state = SSL_STATE_NULL; |
| 1548 | pj_list_init(&ssock->write_pending); |
| 1549 | pj_list_init(&ssock->write_pending_empty); |
Nanang Izzuddin | 8e5f634 | 2009-11-06 08:01:59 +0000 | [diff] [blame] | 1550 | pj_timer_entry_init(&ssock->timer, 0, ssock, &on_timer); |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1551 | |
| 1552 | /* Create secure socket mutex */ |
| 1553 | status = pj_lock_create_recursive_mutex(pool, pool->obj_name, |
| 1554 | &ssock->write_mutex); |
| 1555 | if (status != PJ_SUCCESS) |
| 1556 | return status; |
| 1557 | |
| 1558 | /* Init secure socket param */ |
| 1559 | ssock->param = *param; |
| 1560 | ssock->param.read_buffer_size = ((ssock->param.read_buffer_size+7)>>3)<<3; |
| 1561 | if (param->ciphers_num > 0) { |
| 1562 | unsigned i; |
| 1563 | ssock->param.ciphers = (pj_ssl_cipher*) |
| 1564 | pj_pool_calloc(pool, param->ciphers_num, |
| 1565 | sizeof(pj_ssl_cipher)); |
| 1566 | for (i = 0; i < param->ciphers_num; ++i) |
| 1567 | ssock->param.ciphers[i] = param->ciphers[i]; |
| 1568 | } |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1569 | |
| 1570 | /* Server name must be null-terminated */ |
| 1571 | pj_strdup_with_null(pool, &ssock->param.server_name, |
| 1572 | ¶m->server_name); |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1573 | |
| 1574 | /* Finally */ |
| 1575 | *p_ssock = ssock; |
| 1576 | |
| 1577 | return PJ_SUCCESS; |
| 1578 | } |
| 1579 | |
| 1580 | |
| 1581 | /* |
| 1582 | * Close the secure socket. This will unregister the socket from the |
| 1583 | * ioqueue and ultimately close the socket. |
| 1584 | */ |
| 1585 | PJ_DEF(pj_status_t) pj_ssl_sock_close(pj_ssl_sock_t *ssock) |
| 1586 | { |
| 1587 | pj_pool_t *pool; |
| 1588 | |
| 1589 | PJ_ASSERT_RETURN(ssock, PJ_EINVAL); |
| 1590 | |
Nanang Izzuddin | 8e5f634 | 2009-11-06 08:01:59 +0000 | [diff] [blame] | 1591 | if (!ssock->pool) |
| 1592 | return PJ_SUCCESS; |
| 1593 | |
| 1594 | if (ssock->timer.id != TIMER_NONE) { |
| 1595 | pj_timer_heap_cancel(ssock->param.timer_heap, &ssock->timer); |
| 1596 | ssock->timer.id = TIMER_NONE; |
| 1597 | } |
| 1598 | |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1599 | reset_ssl_sock_state(ssock); |
| 1600 | pj_lock_destroy(ssock->write_mutex); |
| 1601 | |
| 1602 | pool = ssock->pool; |
| 1603 | ssock->pool = NULL; |
| 1604 | if (pool) |
| 1605 | pj_pool_release(pool); |
| 1606 | |
| 1607 | return PJ_SUCCESS; |
| 1608 | } |
| 1609 | |
| 1610 | |
| 1611 | /* |
| 1612 | * Associate arbitrary data with the secure socket. |
| 1613 | */ |
| 1614 | PJ_DEF(pj_status_t) pj_ssl_sock_set_user_data(pj_ssl_sock_t *ssock, |
| 1615 | void *user_data) |
| 1616 | { |
| 1617 | PJ_ASSERT_RETURN(ssock, PJ_EINVAL); |
| 1618 | |
| 1619 | ssock->param.user_data = user_data; |
| 1620 | return PJ_SUCCESS; |
| 1621 | } |
| 1622 | |
| 1623 | |
| 1624 | /* |
| 1625 | * Retrieve the user data previously associated with this secure |
| 1626 | * socket. |
| 1627 | */ |
| 1628 | PJ_DEF(void*) pj_ssl_sock_get_user_data(pj_ssl_sock_t *ssock) |
| 1629 | { |
| 1630 | PJ_ASSERT_RETURN(ssock, NULL); |
| 1631 | |
| 1632 | return ssock->param.user_data; |
| 1633 | } |
| 1634 | |
| 1635 | |
| 1636 | /* |
| 1637 | * Retrieve the local address and port used by specified SSL socket. |
| 1638 | */ |
| 1639 | PJ_DEF(pj_status_t) pj_ssl_sock_get_info (pj_ssl_sock_t *ssock, |
| 1640 | pj_ssl_sock_info *info) |
| 1641 | { |
| 1642 | pj_bzero(info, sizeof(*info)); |
| 1643 | |
| 1644 | /* Established flag */ |
| 1645 | info->established = (ssock->ssl_state == SSL_STATE_ESTABLISHED); |
| 1646 | |
| 1647 | /* Protocol */ |
| 1648 | info->proto = ssock->param.proto; |
| 1649 | |
| 1650 | /* Local address */ |
| 1651 | pj_sockaddr_cp(&info->local_addr, &ssock->local_addr); |
| 1652 | |
| 1653 | if (info->established) { |
| 1654 | /* Current cipher */ |
| 1655 | const SSL_CIPHER *cipher; |
| 1656 | |
| 1657 | cipher = SSL_get_current_cipher(ssock->ossl_ssl); |
| 1658 | info->cipher = (cipher->id & 0x00FFFFFF); |
| 1659 | |
| 1660 | /* Remote address */ |
| 1661 | pj_sockaddr_cp(&info->remote_addr, &ssock->rem_addr); |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1662 | |
| 1663 | /* Certificates info */ |
| 1664 | info->local_cert_info = ssock->local_cert_info; |
| 1665 | info->remote_cert_info = ssock->remote_cert_info; |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1666 | } |
| 1667 | |
| 1668 | return PJ_SUCCESS; |
| 1669 | } |
| 1670 | |
| 1671 | |
| 1672 | /* |
| 1673 | * Starts read operation on this secure socket. |
| 1674 | */ |
| 1675 | PJ_DEF(pj_status_t) pj_ssl_sock_start_read (pj_ssl_sock_t *ssock, |
| 1676 | pj_pool_t *pool, |
| 1677 | unsigned buff_size, |
| 1678 | pj_uint32_t flags) |
| 1679 | { |
| 1680 | void **readbuf; |
| 1681 | unsigned i; |
| 1682 | |
| 1683 | PJ_ASSERT_RETURN(ssock && pool && buff_size, PJ_EINVAL); |
| 1684 | PJ_ASSERT_RETURN(ssock->ssl_state==SSL_STATE_ESTABLISHED, PJ_EINVALIDOP); |
| 1685 | |
| 1686 | readbuf = (void**) pj_pool_calloc(pool, ssock->param.async_cnt, |
| 1687 | sizeof(void*)); |
| 1688 | |
| 1689 | for (i=0; i<ssock->param.async_cnt; ++i) { |
| 1690 | readbuf[i] = pj_pool_alloc(pool, buff_size); |
| 1691 | } |
| 1692 | |
| 1693 | return pj_ssl_sock_start_read2(ssock, pool, buff_size, |
| 1694 | readbuf, flags); |
| 1695 | } |
| 1696 | |
| 1697 | |
| 1698 | /* |
| 1699 | * Same as #pj_ssl_sock_start_read(), except that the application |
| 1700 | * supplies the buffers for the read operation so that the acive socket |
| 1701 | * does not have to allocate the buffers. |
| 1702 | */ |
| 1703 | PJ_DEF(pj_status_t) pj_ssl_sock_start_read2 (pj_ssl_sock_t *ssock, |
| 1704 | pj_pool_t *pool, |
| 1705 | unsigned buff_size, |
| 1706 | void *readbuf[], |
| 1707 | pj_uint32_t flags) |
| 1708 | { |
| 1709 | unsigned i; |
| 1710 | |
| 1711 | PJ_ASSERT_RETURN(ssock && pool && buff_size && readbuf, PJ_EINVAL); |
| 1712 | PJ_ASSERT_RETURN(ssock->ssl_state==SSL_STATE_ESTABLISHED, PJ_EINVALIDOP); |
| 1713 | |
| 1714 | /* Create SSL socket read buffer */ |
| 1715 | ssock->ssock_rbuf = (read_data_t*)pj_pool_calloc(pool, |
| 1716 | ssock->param.async_cnt, |
| 1717 | sizeof(read_data_t)); |
| 1718 | |
| 1719 | /* Store SSL socket read buffer pointer in the activesock read buffer */ |
| 1720 | for (i=0; i<ssock->param.async_cnt; ++i) { |
| 1721 | read_data_t **p_ssock_rbuf = |
| 1722 | OFFSET_OF_READ_DATA_PTR(ssock, ssock->asock_rbuf[i]); |
| 1723 | |
| 1724 | ssock->ssock_rbuf[i].data = readbuf[i]; |
| 1725 | ssock->ssock_rbuf[i].len = 0; |
| 1726 | |
| 1727 | *p_ssock_rbuf = &ssock->ssock_rbuf[i]; |
| 1728 | } |
| 1729 | |
| 1730 | ssock->read_size = buff_size; |
| 1731 | ssock->read_started = PJ_TRUE; |
| 1732 | ssock->read_flags = flags; |
| 1733 | |
| 1734 | return PJ_SUCCESS; |
| 1735 | } |
| 1736 | |
| 1737 | |
| 1738 | /* |
| 1739 | * Same as pj_ssl_sock_start_read(), except that this function is used |
| 1740 | * only for datagram sockets, and it will trigger \a on_data_recvfrom() |
| 1741 | * callback instead. |
| 1742 | */ |
| 1743 | PJ_DEF(pj_status_t) pj_ssl_sock_start_recvfrom (pj_ssl_sock_t *ssock, |
| 1744 | pj_pool_t *pool, |
| 1745 | unsigned buff_size, |
| 1746 | pj_uint32_t flags) |
| 1747 | { |
| 1748 | PJ_UNUSED_ARG(ssock); |
| 1749 | PJ_UNUSED_ARG(pool); |
| 1750 | PJ_UNUSED_ARG(buff_size); |
| 1751 | PJ_UNUSED_ARG(flags); |
| 1752 | |
| 1753 | return PJ_ENOTSUP; |
| 1754 | } |
| 1755 | |
| 1756 | |
| 1757 | /* |
| 1758 | * Same as #pj_ssl_sock_start_recvfrom() except that the recvfrom() |
| 1759 | * operation takes the buffer from the argument rather than creating |
| 1760 | * new ones. |
| 1761 | */ |
| 1762 | PJ_DEF(pj_status_t) pj_ssl_sock_start_recvfrom2 (pj_ssl_sock_t *ssock, |
| 1763 | pj_pool_t *pool, |
| 1764 | unsigned buff_size, |
| 1765 | void *readbuf[], |
| 1766 | pj_uint32_t flags) |
| 1767 | { |
| 1768 | PJ_UNUSED_ARG(ssock); |
| 1769 | PJ_UNUSED_ARG(pool); |
| 1770 | PJ_UNUSED_ARG(buff_size); |
| 1771 | PJ_UNUSED_ARG(readbuf); |
| 1772 | PJ_UNUSED_ARG(flags); |
| 1773 | |
| 1774 | return PJ_ENOTSUP; |
| 1775 | } |
| 1776 | |
| 1777 | /* Write plain data to SSL and flush write BIO. Note that accessing |
| 1778 | * write BIO must be serialized, so a call to this function must be |
| 1779 | * protected by write mutex of SSL socket. |
| 1780 | */ |
| 1781 | static pj_status_t ssl_write(pj_ssl_sock_t *ssock, |
| 1782 | pj_ioqueue_op_key_t *send_key, |
| 1783 | const void *data, |
| 1784 | pj_ssize_t size, |
| 1785 | unsigned flags) |
| 1786 | { |
| 1787 | pj_status_t status; |
| 1788 | int nwritten; |
| 1789 | |
| 1790 | /* Write the plain data to SSL, after SSL encrypts it, write BIO will |
| 1791 | * contain the secured data to be sent via socket. Note that re- |
| 1792 | * negotitation may be on progress, so sending data should be delayed |
| 1793 | * until re-negotiation is completed. |
| 1794 | */ |
| 1795 | nwritten = SSL_write(ssock->ossl_ssl, data, size); |
| 1796 | |
| 1797 | if (nwritten == size) { |
| 1798 | /* All data written, flush write BIO to network socket */ |
| 1799 | status = flush_write_bio(ssock, send_key, size, flags); |
| 1800 | } else if (nwritten <= 0) { |
| 1801 | /* SSL failed to process the data, it may just that re-negotiation |
| 1802 | * is on progress. |
| 1803 | */ |
| 1804 | int err; |
| 1805 | err = SSL_get_error(ssock->ossl_ssl, nwritten); |
| 1806 | if (err == SSL_ERROR_WANT_READ || err == SSL_ERROR_NONE) { |
| 1807 | /* Re-negotiation is on progress, flush re-negotiation data */ |
| 1808 | status = flush_write_bio(ssock, &ssock->handshake_op_key, 0, 0); |
| 1809 | if (status == PJ_SUCCESS || status == PJ_EPENDING) |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 1810 | /* Just return PJ_EBUSY when re-negotiation is on progress */ |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1811 | status = PJ_EBUSY; |
| 1812 | } else { |
| 1813 | /* Some problem occured */ |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 1814 | GET_SSL_STATUS(status); |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1815 | } |
| 1816 | } else { |
| 1817 | /* nwritten < *size, shouldn't happen, unless write BIO cannot hold |
| 1818 | * the whole secured data, perhaps because of insufficient memory. |
| 1819 | */ |
| 1820 | status = PJ_ENOMEM; |
| 1821 | } |
| 1822 | |
| 1823 | return status; |
| 1824 | } |
| 1825 | |
| 1826 | /* Flush delayed data sending in the write pending list. Note that accessing |
| 1827 | * write pending list must be serialized, so a call to this function must be |
| 1828 | * protected by write mutex of SSL socket. |
| 1829 | */ |
| 1830 | static pj_status_t flush_delayed_send(pj_ssl_sock_t *ssock) |
| 1831 | { |
| 1832 | while (!pj_list_empty(&ssock->write_pending)) { |
| 1833 | write_pending_t *wp; |
| 1834 | pj_status_t status; |
| 1835 | |
| 1836 | wp = ssock->write_pending.next; |
| 1837 | |
| 1838 | status = ssl_write(ssock, &wp->data.key, wp->data.data.ptr, |
| 1839 | wp->data.plain_data_len, wp->data.flags); |
| 1840 | if (status != PJ_SUCCESS) |
| 1841 | return status; |
| 1842 | |
| 1843 | pj_list_erase(wp); |
| 1844 | pj_list_push_back(&ssock->write_pending_empty, wp); |
| 1845 | } |
| 1846 | |
| 1847 | return PJ_SUCCESS; |
| 1848 | } |
| 1849 | |
| 1850 | /* Sending is delayed, push back the sending data into pending list. Note that |
| 1851 | * accessing write pending list must be serialized, so a call to this function |
| 1852 | * must be protected by write mutex of SSL socket. |
| 1853 | */ |
| 1854 | static pj_status_t delay_send (pj_ssl_sock_t *ssock, |
| 1855 | pj_ioqueue_op_key_t *send_key, |
| 1856 | const void *data, |
| 1857 | pj_ssize_t size, |
| 1858 | unsigned flags) |
| 1859 | { |
| 1860 | write_pending_t *wp; |
| 1861 | |
| 1862 | /* Init write pending instance */ |
| 1863 | if (!pj_list_empty(&ssock->write_pending_empty)) { |
| 1864 | wp = ssock->write_pending_empty.next; |
| 1865 | pj_list_erase(wp); |
| 1866 | } else { |
| 1867 | wp = PJ_POOL_ZALLOC_T(ssock->pool, write_pending_t); |
| 1868 | } |
| 1869 | |
| 1870 | wp->data.app_key = send_key; |
| 1871 | wp->data.plain_data_len = size; |
| 1872 | wp->data.data.ptr = data; |
| 1873 | wp->data.flags = flags; |
| 1874 | |
| 1875 | pj_list_push_back(&ssock->write_pending, wp); |
| 1876 | |
| 1877 | /* Must return PJ_EPENDING */ |
| 1878 | return PJ_EPENDING; |
| 1879 | } |
| 1880 | |
| 1881 | /** |
| 1882 | * Send data using the socket. |
| 1883 | */ |
| 1884 | PJ_DEF(pj_status_t) pj_ssl_sock_send (pj_ssl_sock_t *ssock, |
| 1885 | pj_ioqueue_op_key_t *send_key, |
| 1886 | const void *data, |
| 1887 | pj_ssize_t *size, |
| 1888 | unsigned flags) |
| 1889 | { |
| 1890 | pj_status_t status; |
| 1891 | |
| 1892 | PJ_ASSERT_RETURN(ssock && data && size && (*size>0), PJ_EINVAL); |
| 1893 | PJ_ASSERT_RETURN(ssock->ssl_state==SSL_STATE_ESTABLISHED, PJ_EINVALIDOP); |
| 1894 | |
| 1895 | pj_lock_acquire(ssock->write_mutex); |
| 1896 | |
| 1897 | /* Flush delayed send first. Sending data might be delayed when |
| 1898 | * re-negotiation is on-progress. |
| 1899 | */ |
| 1900 | status = flush_delayed_send(ssock); |
| 1901 | if (status == PJ_EBUSY) { |
| 1902 | /* Re-negotiation is on progress, delay sending */ |
| 1903 | status = delay_send(ssock, send_key, data, *size, flags); |
| 1904 | goto on_return; |
| 1905 | } else if (status != PJ_SUCCESS) { |
| 1906 | goto on_return; |
| 1907 | } |
| 1908 | |
| 1909 | /* Write data to SSL */ |
| 1910 | status = ssl_write(ssock, send_key, data, *size, flags); |
| 1911 | if (status == PJ_EBUSY) { |
| 1912 | /* Re-negotiation is on progress, delay sending */ |
| 1913 | status = delay_send(ssock, send_key, data, *size, flags); |
| 1914 | } |
| 1915 | |
| 1916 | on_return: |
| 1917 | pj_lock_release(ssock->write_mutex); |
| 1918 | return status; |
| 1919 | } |
| 1920 | |
| 1921 | |
| 1922 | /** |
| 1923 | * Send datagram using the socket. |
| 1924 | */ |
| 1925 | PJ_DEF(pj_status_t) pj_ssl_sock_sendto (pj_ssl_sock_t *ssock, |
| 1926 | pj_ioqueue_op_key_t *send_key, |
| 1927 | const void *data, |
| 1928 | pj_ssize_t *size, |
| 1929 | unsigned flags, |
| 1930 | const pj_sockaddr_t *addr, |
| 1931 | int addr_len) |
| 1932 | { |
| 1933 | PJ_UNUSED_ARG(ssock); |
| 1934 | PJ_UNUSED_ARG(send_key); |
| 1935 | PJ_UNUSED_ARG(data); |
| 1936 | PJ_UNUSED_ARG(size); |
| 1937 | PJ_UNUSED_ARG(flags); |
| 1938 | PJ_UNUSED_ARG(addr); |
| 1939 | PJ_UNUSED_ARG(addr_len); |
| 1940 | |
| 1941 | return PJ_ENOTSUP; |
| 1942 | } |
| 1943 | |
| 1944 | |
| 1945 | /** |
| 1946 | * Starts asynchronous socket accept() operations on this secure socket. |
| 1947 | */ |
| 1948 | PJ_DEF(pj_status_t) pj_ssl_sock_start_accept (pj_ssl_sock_t *ssock, |
| 1949 | pj_pool_t *pool, |
| 1950 | const pj_sockaddr_t *localaddr, |
| 1951 | int addr_len) |
| 1952 | { |
| 1953 | pj_activesock_cb asock_cb; |
| 1954 | pj_activesock_cfg asock_cfg; |
| 1955 | pj_status_t status; |
| 1956 | |
| 1957 | PJ_ASSERT_RETURN(ssock && pool && localaddr && addr_len, PJ_EINVAL); |
| 1958 | |
| 1959 | /* Create socket */ |
| 1960 | status = pj_sock_socket(ssock->param.sock_af, ssock->param.sock_type, 0, |
| 1961 | &ssock->sock); |
| 1962 | if (status != PJ_SUCCESS) |
| 1963 | goto on_error; |
| 1964 | |
Benny Prijono | a25bc9d | 2009-11-09 08:51:34 +0000 | [diff] [blame] | 1965 | /* Apply QoS, if specified */ |
| 1966 | status = pj_sock_apply_qos2(ssock->sock, ssock->param.qos_type, |
| 1967 | &ssock->param.qos_params, 2, |
| 1968 | ssock->pool->obj_name, NULL); |
| 1969 | if (status != PJ_SUCCESS && !ssock->param.qos_ignore_error) |
| 1970 | goto on_error; |
| 1971 | |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 1972 | /* Bind socket */ |
| 1973 | status = pj_sock_bind(ssock->sock, localaddr, addr_len); |
| 1974 | if (status != PJ_SUCCESS) |
| 1975 | goto on_error; |
| 1976 | |
| 1977 | /* Start listening to the address */ |
| 1978 | status = pj_sock_listen(ssock->sock, PJ_SOMAXCONN); |
| 1979 | if (status != PJ_SUCCESS) |
| 1980 | goto on_error; |
| 1981 | |
| 1982 | /* Create active socket */ |
| 1983 | pj_activesock_cfg_default(&asock_cfg); |
| 1984 | asock_cfg.async_cnt = ssock->param.async_cnt; |
| 1985 | asock_cfg.concurrency = ssock->param.concurrency; |
| 1986 | asock_cfg.whole_data = PJ_TRUE; |
| 1987 | |
| 1988 | pj_bzero(&asock_cb, sizeof(asock_cb)); |
| 1989 | asock_cb.on_accept_complete = asock_on_accept_complete; |
| 1990 | |
| 1991 | status = pj_activesock_create(pool, |
| 1992 | ssock->sock, |
| 1993 | ssock->param.sock_type, |
| 1994 | &asock_cfg, |
| 1995 | ssock->param.ioqueue, |
| 1996 | &asock_cb, |
| 1997 | ssock, |
| 1998 | &ssock->asock); |
| 1999 | |
| 2000 | if (status != PJ_SUCCESS) |
| 2001 | goto on_error; |
| 2002 | |
| 2003 | /* Start accepting */ |
| 2004 | status = pj_activesock_start_accept(ssock->asock, pool); |
| 2005 | if (status != PJ_SUCCESS) |
| 2006 | goto on_error; |
| 2007 | |
| 2008 | /* Update local address */ |
| 2009 | ssock->addr_len = addr_len; |
| 2010 | status = pj_sock_getsockname(ssock->sock, &ssock->local_addr, |
| 2011 | &ssock->addr_len); |
| 2012 | if (status != PJ_SUCCESS) |
| 2013 | pj_sockaddr_cp(&ssock->local_addr, localaddr); |
| 2014 | |
| 2015 | ssock->is_server = PJ_TRUE; |
| 2016 | |
| 2017 | return PJ_SUCCESS; |
| 2018 | |
| 2019 | on_error: |
| 2020 | reset_ssl_sock_state(ssock); |
| 2021 | return status; |
| 2022 | } |
| 2023 | |
| 2024 | |
| 2025 | /** |
| 2026 | * Starts asynchronous socket connect() operation. |
| 2027 | */ |
| 2028 | PJ_DECL(pj_status_t) pj_ssl_sock_start_connect(pj_ssl_sock_t *ssock, |
| 2029 | pj_pool_t *pool, |
| 2030 | const pj_sockaddr_t *localaddr, |
| 2031 | const pj_sockaddr_t *remaddr, |
| 2032 | int addr_len) |
| 2033 | { |
| 2034 | pj_activesock_cb asock_cb; |
| 2035 | pj_activesock_cfg asock_cfg; |
| 2036 | pj_status_t status; |
| 2037 | |
| 2038 | PJ_ASSERT_RETURN(ssock && pool && localaddr && remaddr && addr_len, |
| 2039 | PJ_EINVAL); |
| 2040 | |
| 2041 | /* Create socket */ |
| 2042 | status = pj_sock_socket(ssock->param.sock_af, ssock->param.sock_type, 0, |
| 2043 | &ssock->sock); |
| 2044 | if (status != PJ_SUCCESS) |
| 2045 | goto on_error; |
| 2046 | |
Benny Prijono | a25bc9d | 2009-11-09 08:51:34 +0000 | [diff] [blame] | 2047 | /* Apply QoS, if specified */ |
| 2048 | status = pj_sock_apply_qos2(ssock->sock, ssock->param.qos_type, |
| 2049 | &ssock->param.qos_params, 2, |
| 2050 | ssock->pool->obj_name, NULL); |
| 2051 | if (status != PJ_SUCCESS && !ssock->param.qos_ignore_error) |
| 2052 | goto on_error; |
| 2053 | |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 2054 | /* Bind socket */ |
| 2055 | status = pj_sock_bind(ssock->sock, localaddr, addr_len); |
| 2056 | if (status != PJ_SUCCESS) |
| 2057 | goto on_error; |
| 2058 | |
| 2059 | /* Create active socket */ |
| 2060 | pj_activesock_cfg_default(&asock_cfg); |
| 2061 | asock_cfg.async_cnt = ssock->param.async_cnt; |
| 2062 | asock_cfg.concurrency = ssock->param.concurrency; |
| 2063 | asock_cfg.whole_data = PJ_TRUE; |
| 2064 | |
| 2065 | pj_bzero(&asock_cb, sizeof(asock_cb)); |
| 2066 | asock_cb.on_connect_complete = asock_on_connect_complete; |
| 2067 | asock_cb.on_data_read = asock_on_data_read; |
| 2068 | asock_cb.on_data_sent = asock_on_data_sent; |
| 2069 | |
| 2070 | status = pj_activesock_create(pool, |
| 2071 | ssock->sock, |
| 2072 | ssock->param.sock_type, |
| 2073 | &asock_cfg, |
| 2074 | ssock->param.ioqueue, |
| 2075 | &asock_cb, |
| 2076 | ssock, |
| 2077 | &ssock->asock); |
| 2078 | |
| 2079 | if (status != PJ_SUCCESS) |
| 2080 | goto on_error; |
| 2081 | |
Nanang Izzuddin | 4874763 | 2009-11-20 07:48:41 +0000 | [diff] [blame] | 2082 | /* Save remote address */ |
| 2083 | pj_sockaddr_cp(&ssock->rem_addr, remaddr); |
| 2084 | |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 2085 | status = pj_activesock_start_connect(ssock->asock, pool, remaddr, |
| 2086 | addr_len); |
| 2087 | |
| 2088 | if (status == PJ_SUCCESS) |
| 2089 | asock_on_connect_complete(ssock->asock, PJ_SUCCESS); |
| 2090 | else if (status != PJ_EPENDING) |
| 2091 | goto on_error; |
| 2092 | |
| 2093 | /* Update local address */ |
| 2094 | ssock->addr_len = addr_len; |
| 2095 | status = pj_sock_getsockname(ssock->sock, &ssock->local_addr, |
| 2096 | &ssock->addr_len); |
Nanang Izzuddin | b5e025a | 2009-11-09 13:40:26 +0000 | [diff] [blame] | 2097 | /* Note that we may not get an IP address here. This can |
| 2098 | * happen for example on Windows, where getsockname() |
| 2099 | * would return 0.0.0.0 if socket has just started the |
| 2100 | * async connect. In this case, just leave the local |
| 2101 | * address with 0.0.0.0 for now; it will be updated |
| 2102 | * once the socket is established. |
| 2103 | */ |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 2104 | |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 2105 | /* Update SSL state */ |
| 2106 | ssock->is_server = PJ_FALSE; |
| 2107 | |
| 2108 | return PJ_EPENDING; |
| 2109 | |
| 2110 | on_error: |
| 2111 | reset_ssl_sock_state(ssock); |
| 2112 | return status; |
| 2113 | } |
| 2114 | |
| 2115 | |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 2116 | PJ_DEF(pj_status_t) pj_ssl_sock_renegotiate(pj_ssl_sock_t *ssock) |
| 2117 | { |
| 2118 | int ret; |
| 2119 | pj_status_t status; |
| 2120 | |
| 2121 | PJ_ASSERT_RETURN(ssock->ssl_state == SSL_STATE_ESTABLISHED, PJ_EINVALIDOP); |
| 2122 | |
| 2123 | if (SSL_renegotiate_pending(ssock->ossl_ssl)) |
| 2124 | return PJ_EPENDING; |
| 2125 | |
| 2126 | ret = SSL_renegotiate(ssock->ossl_ssl); |
| 2127 | if (ret <= 0) { |
Nanang Izzuddin | 2d0f8fe | 2009-11-04 17:08:32 +0000 | [diff] [blame] | 2128 | GET_SSL_STATUS(status); |
Nanang Izzuddin | ea6d3c4 | 2009-10-26 15:47:52 +0000 | [diff] [blame] | 2129 | } else { |
| 2130 | status = do_handshake(ssock); |
| 2131 | } |
| 2132 | |
| 2133 | return status; |
| 2134 | } |
| 2135 | |
| 2136 | #endif /* PJ_HAS_SSL_SOCK */ |
Nanang Izzuddin | 006cc01 | 2009-10-16 03:06:13 +0000 | [diff] [blame] | 2137 | |