/usr/include/pj/ssl_sock.h is in libpjproject-dev 2.1.0.0.ast20130823-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 | /* $Id: ssl_sock.h 4146 2012-05-30 06:35:59Z nanang $ */
/*
* Copyright (C) 2009-2011 Teluu Inc. (http://www.teluu.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __PJ_SSL_SOCK_H__
#define __PJ_SSL_SOCK_H__
/**
* @file ssl_sock.h
* @brief Secure socket
*/
#include <pj/ioqueue.h>
#include <pj/sock.h>
#include <pj/sock_qos.h>
PJ_BEGIN_DECL
/**
* @defgroup PJ_SSL_SOCK Secure socket I/O
* @brief Secure socket provides security on socket operation using standard
* security protocols such as SSL and TLS.
* @ingroup PJ_IO
* @{
*
* Secure socket wraps normal socket and applies security features, i.e:
* privacy and data integrity, on the socket traffic, using standard security
* protocols such as SSL and TLS.
*
* Secure socket employs active socket operations, which is similar to (and
* described more detail) in \ref PJ_ACTIVESOCK.
*/
/**
* This opaque structure describes the secure socket.
*/
typedef struct pj_ssl_sock_t pj_ssl_sock_t;
/**
* Opaque declaration of endpoint certificate or credentials. This may contains
* certificate, private key, and trusted Certificate Authorities list.
*/
typedef struct pj_ssl_cert_t pj_ssl_cert_t;
typedef enum pj_ssl_cert_verify_flag_t
{
/**
* No error in verification.
*/
PJ_SSL_CERT_ESUCCESS = 0,
/**
* The issuer certificate cannot be found.
*/
PJ_SSL_CERT_EISSUER_NOT_FOUND = (1 << 0),
/**
* The certificate is untrusted.
*/
PJ_SSL_CERT_EUNTRUSTED = (1 << 1),
/**
* The certificate has expired or not yet valid.
*/
PJ_SSL_CERT_EVALIDITY_PERIOD = (1 << 2),
/**
* One or more fields of the certificate cannot be decoded due to
* invalid format.
*/
PJ_SSL_CERT_EINVALID_FORMAT = (1 << 3),
/**
* The certificate cannot be used for the specified purpose.
*/
PJ_SSL_CERT_EINVALID_PURPOSE = (1 << 4),
/**
* The issuer info in the certificate does not match to the (candidate)
* issuer certificate, e.g: issuer name not match to subject name
* of (candidate) issuer certificate.
*/
PJ_SSL_CERT_EISSUER_MISMATCH = (1 << 5),
/**
* The CRL certificate cannot be found or cannot be read properly.
*/
PJ_SSL_CERT_ECRL_FAILURE = (1 << 6),
/**
* The certificate has been revoked.
*/
PJ_SSL_CERT_EREVOKED = (1 << 7),
/**
* The certificate chain length is too long.
*/
PJ_SSL_CERT_ECHAIN_TOO_LONG = (1 << 8),
/**
* The server identity does not match to any identities specified in
* the certificate, e.g: subjectAltName extension, subject common name.
* This flag will only be set by application as SSL socket does not
* perform server identity verification.
*/
PJ_SSL_CERT_EIDENTITY_NOT_MATCH = (1 << 30),
/**
* Unknown verification error.
*/
PJ_SSL_CERT_EUNKNOWN = (1 << 31)
} pj_ssl_cert_verify_flag_t;
typedef enum pj_ssl_cert_name_type
{
PJ_SSL_CERT_NAME_UNKNOWN = 0,
PJ_SSL_CERT_NAME_RFC822,
PJ_SSL_CERT_NAME_DNS,
PJ_SSL_CERT_NAME_URI,
PJ_SSL_CERT_NAME_IP
} pj_ssl_cert_name_type;
/**
* Describe structure of certificate info.
*/
typedef struct pj_ssl_cert_info {
unsigned version; /**< Certificate version */
pj_uint8_t serial_no[20]; /**< Serial number, array of
octets, first index is
MSB */
struct {
pj_str_t cn; /**< Common name */
pj_str_t info; /**< One line subject, fields
are separated by slash, e.g:
"CN=sample.org/OU=HRD" */
} subject; /**< Subject */
struct {
pj_str_t cn; /**< Common name */
pj_str_t info; /**< One line subject, fields
are separated by slash.*/
} issuer; /**< Issuer */
struct {
pj_time_val start; /**< Validity start */
pj_time_val end; /**< Validity end */
pj_bool_t gmt; /**< Flag if validity date/time
use GMT */
} validity; /**< Validity */
struct {
unsigned cnt; /**< # of entry */
struct {
pj_ssl_cert_name_type type;
/**< Name type */
pj_str_t name; /**< The name */
} *entry; /**< Subject alt name entry */
} subj_alt_name; /**< Subject alternative
name extension */
} pj_ssl_cert_info;
/**
* Create credential from files.
*
* @param CA_file The file of trusted CA list.
* @param cert_file The file of certificate.
* @param privkey_file The file of private key.
* @param privkey_pass The password of private key, if any.
* @param p_cert Pointer to credential instance to be created.
*
* @return PJ_SUCCESS when successful.
*/
PJ_DECL(pj_status_t) pj_ssl_cert_load_from_files(pj_pool_t *pool,
const pj_str_t *CA_file,
const pj_str_t *cert_file,
const pj_str_t *privkey_file,
const pj_str_t *privkey_pass,
pj_ssl_cert_t **p_cert);
/**
* Dump SSL certificate info.
*
* @param ci The certificate info.
* @param indent String for left indentation.
* @param buf The buffer where certificate info will be printed on.
* @param buf_size The buffer size.
*
* @return The length of the dump result, or -1 when buffer size
* is not sufficient.
*/
PJ_DECL(pj_ssize_t) pj_ssl_cert_info_dump(const pj_ssl_cert_info *ci,
const char *indent,
char *buf,
pj_size_t buf_size);
/**
* Get SSL certificate verification error messages from verification status.
*
* @param verify_status The SSL certificate verification status.
* @param error_strings Array of strings to receive the verification error
* messages.
* @param count On input it specifies maximum error messages should be
* retrieved. On output it specifies the number of error
* messages retrieved.
*
* @return PJ_SUCCESS when successful.
*/
PJ_DECL(pj_status_t) pj_ssl_cert_get_verify_status_strings(
pj_uint32_t verify_status,
const char *error_strings[],
unsigned *count);
/**
* Cipher suites enumeration.
*/
typedef enum pj_ssl_cipher {
/* NULL */
PJ_TLS_NULL_WITH_NULL_NULL = 0x00000000,
/* TLS/SSLv3 */
PJ_TLS_RSA_WITH_NULL_MD5 = 0x00000001,
PJ_TLS_RSA_WITH_NULL_SHA = 0x00000002,
PJ_TLS_RSA_WITH_NULL_SHA256 = 0x0000003B,
PJ_TLS_RSA_WITH_RC4_128_MD5 = 0x00000004,
PJ_TLS_RSA_WITH_RC4_128_SHA = 0x00000005,
PJ_TLS_RSA_WITH_3DES_EDE_CBC_SHA = 0x0000000A,
PJ_TLS_RSA_WITH_AES_128_CBC_SHA = 0x0000002F,
PJ_TLS_RSA_WITH_AES_256_CBC_SHA = 0x00000035,
PJ_TLS_RSA_WITH_AES_128_CBC_SHA256 = 0x0000003C,
PJ_TLS_RSA_WITH_AES_256_CBC_SHA256 = 0x0000003D,
PJ_TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA = 0x0000000D,
PJ_TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA = 0x00000010,
PJ_TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA = 0x00000013,
PJ_TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA = 0x00000016,
PJ_TLS_DH_DSS_WITH_AES_128_CBC_SHA = 0x00000030,
PJ_TLS_DH_RSA_WITH_AES_128_CBC_SHA = 0x00000031,
PJ_TLS_DHE_DSS_WITH_AES_128_CBC_SHA = 0x00000032,
PJ_TLS_DHE_RSA_WITH_AES_128_CBC_SHA = 0x00000033,
PJ_TLS_DH_DSS_WITH_AES_256_CBC_SHA = 0x00000036,
PJ_TLS_DH_RSA_WITH_AES_256_CBC_SHA = 0x00000037,
PJ_TLS_DHE_DSS_WITH_AES_256_CBC_SHA = 0x00000038,
PJ_TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0x00000039,
PJ_TLS_DH_DSS_WITH_AES_128_CBC_SHA256 = 0x0000003E,
PJ_TLS_DH_RSA_WITH_AES_128_CBC_SHA256 = 0x0000003F,
PJ_TLS_DHE_DSS_WITH_AES_128_CBC_SHA256 = 0x00000040,
PJ_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 = 0x00000067,
PJ_TLS_DH_DSS_WITH_AES_256_CBC_SHA256 = 0x00000068,
PJ_TLS_DH_RSA_WITH_AES_256_CBC_SHA256 = 0x00000069,
PJ_TLS_DHE_DSS_WITH_AES_256_CBC_SHA256 = 0x0000006A,
PJ_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 = 0x0000006B,
PJ_TLS_DH_anon_WITH_RC4_128_MD5 = 0x00000018,
PJ_TLS_DH_anon_WITH_3DES_EDE_CBC_SHA = 0x0000001B,
PJ_TLS_DH_anon_WITH_AES_128_CBC_SHA = 0x00000034,
PJ_TLS_DH_anon_WITH_AES_256_CBC_SHA = 0x0000003A,
PJ_TLS_DH_anon_WITH_AES_128_CBC_SHA256 = 0x0000006C,
PJ_TLS_DH_anon_WITH_AES_256_CBC_SHA256 = 0x0000006D,
/* TLS (deprecated) */
PJ_TLS_RSA_EXPORT_WITH_RC4_40_MD5 = 0x00000003,
PJ_TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5 = 0x00000006,
PJ_TLS_RSA_WITH_IDEA_CBC_SHA = 0x00000007,
PJ_TLS_RSA_EXPORT_WITH_DES40_CBC_SHA = 0x00000008,
PJ_TLS_RSA_WITH_DES_CBC_SHA = 0x00000009,
PJ_TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA = 0x0000000B,
PJ_TLS_DH_DSS_WITH_DES_CBC_SHA = 0x0000000C,
PJ_TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA = 0x0000000E,
PJ_TLS_DH_RSA_WITH_DES_CBC_SHA = 0x0000000F,
PJ_TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA = 0x00000011,
PJ_TLS_DHE_DSS_WITH_DES_CBC_SHA = 0x00000012,
PJ_TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA = 0x00000014,
PJ_TLS_DHE_RSA_WITH_DES_CBC_SHA = 0x00000015,
PJ_TLS_DH_anon_EXPORT_WITH_RC4_40_MD5 = 0x00000017,
PJ_TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA = 0x00000019,
PJ_TLS_DH_anon_WITH_DES_CBC_SHA = 0x0000001A,
/* SSLv3 */
PJ_SSL_FORTEZZA_KEA_WITH_NULL_SHA = 0x0000001C,
PJ_SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA = 0x0000001D,
PJ_SSL_FORTEZZA_KEA_WITH_RC4_128_SHA = 0x0000001E,
/* SSLv2 */
PJ_SSL_CK_RC4_128_WITH_MD5 = 0x00010080,
PJ_SSL_CK_RC4_128_EXPORT40_WITH_MD5 = 0x00020080,
PJ_SSL_CK_RC2_128_CBC_WITH_MD5 = 0x00030080,
PJ_SSL_CK_RC2_128_CBC_EXPORT40_WITH_MD5 = 0x00040080,
PJ_SSL_CK_IDEA_128_CBC_WITH_MD5 = 0x00050080,
PJ_SSL_CK_DES_64_CBC_WITH_MD5 = 0x00060040,
PJ_SSL_CK_DES_192_EDE3_CBC_WITH_MD5 = 0x000700C0
} pj_ssl_cipher;
/**
* Get cipher list supported by SSL/TLS backend.
*
* @param ciphers The ciphers buffer to receive cipher list.
* @param cipher_num Maximum number of ciphers to be received.
*
* @return PJ_SUCCESS when successful.
*/
PJ_DECL(pj_status_t) pj_ssl_cipher_get_availables(pj_ssl_cipher ciphers[],
unsigned *cipher_num);
/**
* Check if the specified cipher is supported by SSL/TLS backend.
*
* @param cipher The cipher.
*
* @return PJ_TRUE when supported.
*/
PJ_DECL(pj_bool_t) pj_ssl_cipher_is_supported(pj_ssl_cipher cipher);
/**
* Get cipher name string.
*
* @param cipher The cipher.
*
* @return The cipher name or NULL if cipher is not recognized/
* supported.
*/
PJ_DECL(const char*) pj_ssl_cipher_name(pj_ssl_cipher cipher);
/**
* Get cipher ID from cipher name string.
*
* @param cipher_name The cipher name string.
*
* @return The cipher ID or PJ_TLS_UNKNOWN_CIPHER if the cipher
* name string is not recognized/supported.
*/
PJ_DECL(pj_ssl_cipher) pj_ssl_cipher_id(const char *cipher_name);
/**
* This structure contains the callbacks to be called by the secure socket.
*/
typedef struct pj_ssl_sock_cb
{
/**
* This callback is called when a data arrives as the result of
* pj_ssl_sock_start_read().
*
* @param ssock The secure socket.
* @param data The buffer containing the new data, if any. If
* the status argument is non-PJ_SUCCESS, this
* argument may be NULL.
* @param size The length of data in the buffer.
* @param status The status of the read operation. This may contain
* non-PJ_SUCCESS for example when the TCP connection
* has been closed. In this case, the buffer may
* contain left over data from previous callback which
* the application may want to process.
* @param remainder If application wishes to leave some data in the
* buffer (common for TCP applications), it should
* move the remainder data to the front part of the
* buffer and set the remainder length here. The value
* of this parameter will be ignored for datagram
* sockets.
*
* @return PJ_TRUE if further read is desired, and PJ_FALSE
* when application no longer wants to receive data.
* Application may destroy the secure socket in the
* callback and return PJ_FALSE here.
*/
pj_bool_t (*on_data_read)(pj_ssl_sock_t *ssock,
void *data,
pj_size_t size,
pj_status_t status,
pj_size_t *remainder);
/**
* This callback is called when a packet arrives as the result of
* pj_ssl_sock_start_recvfrom().
*
* @param ssock The secure socket.
* @param data The buffer containing the packet, if any. If
* the status argument is non-PJ_SUCCESS, this
* argument will be set to NULL.
* @param size The length of packet in the buffer. If
* the status argument is non-PJ_SUCCESS, this
* argument will be set to zero.
* @param src_addr Source address of the packet.
* @param addr_len Length of the source address.
* @param status This contains
*
* @return PJ_TRUE if further read is desired, and PJ_FALSE
* when application no longer wants to receive data.
* Application may destroy the secure socket in the
* callback and return PJ_FALSE here.
*/
pj_bool_t (*on_data_recvfrom)(pj_ssl_sock_t *ssock,
void *data,
pj_size_t size,
const pj_sockaddr_t *src_addr,
int addr_len,
pj_status_t status);
/**
* This callback is called when data has been sent.
*
* @param ssock The secure socket.
* @param send_key Key associated with the send operation.
* @param sent If value is positive non-zero it indicates the
* number of data sent. When the value is negative,
* it contains the error code which can be retrieved
* by negating the value (i.e. status=-sent).
*
* @return Application may destroy the secure socket in the
* callback and return PJ_FALSE here.
*/
pj_bool_t (*on_data_sent)(pj_ssl_sock_t *ssock,
pj_ioqueue_op_key_t *send_key,
pj_ssize_t sent);
/**
* This callback is called when new connection arrives as the result
* of pj_ssl_sock_start_accept().
*
* @param ssock The secure socket.
* @param newsock The new incoming secure socket.
* @param src_addr The source address of the connection.
* @param addr_len Length of the source address.
*
* @return PJ_TRUE if further accept() is desired, and PJ_FALSE
* when application no longer wants to accept incoming
* connection. Application may destroy the secure socket
* in the callback and return PJ_FALSE here.
*/
pj_bool_t (*on_accept_complete)(pj_ssl_sock_t *ssock,
pj_ssl_sock_t *newsock,
const pj_sockaddr_t *src_addr,
int src_addr_len);
/**
* This callback is called when pending connect operation has been
* completed.
*
* @param ssock The secure socket.
* @param status The connection result. If connection has been
* successfully established, the status will contain
* PJ_SUCCESS.
*
* @return Application may destroy the secure socket in the
* callback and return PJ_FALSE here.
*/
pj_bool_t (*on_connect_complete)(pj_ssl_sock_t *ssock,
pj_status_t status);
} pj_ssl_sock_cb;
/**
* Enumeration of secure socket protocol types.
*/
typedef enum pj_ssl_sock_proto
{
PJ_SSL_SOCK_PROTO_DEFAULT, /**< Default protocol of backend. */
PJ_SSL_SOCK_PROTO_TLS1, /**< TLSv1.0 protocol. */
PJ_SSL_SOCK_PROTO_SSL3, /**< SSLv3.0 protocol. */
PJ_SSL_SOCK_PROTO_SSL23, /**< SSLv3.0 but can roll back to
SSLv2.0. */
PJ_SSL_SOCK_PROTO_SSL2, /**< SSLv2.0 protocol. */
PJ_SSL_SOCK_PROTO_DTLS1 /**< DTLSv1.0 protocol. */
} pj_ssl_sock_proto;
/**
* Definition of secure socket info structure.
*/
typedef struct pj_ssl_sock_info
{
/**
* Describes whether secure socket connection is established, i.e: TLS/SSL
* handshaking has been done successfully.
*/
pj_bool_t established;
/**
* Describes secure socket protocol being used.
*/
pj_ssl_sock_proto proto;
/**
* Describes cipher suite being used, this will only be set when connection
* is established.
*/
pj_ssl_cipher cipher;
/**
* Describes local address.
*/
pj_sockaddr local_addr;
/**
* Describes remote address.
*/
pj_sockaddr remote_addr;
/**
* Describes active local certificate info.
*/
pj_ssl_cert_info *local_cert_info;
/**
* Describes active remote certificate info.
*/
pj_ssl_cert_info *remote_cert_info;
/**
* Status of peer certificate verification.
*/
pj_uint32_t verify_status;
/**
* Last native error returned by the backend.
*/
unsigned long last_native_err;
} pj_ssl_sock_info;
/**
* Definition of secure socket creation parameters.
*/
typedef struct pj_ssl_sock_param
{
/**
* Specifies socket address family, either pj_AF_INET() and pj_AF_INET6().
*
* Default is pj_AF_INET().
*/
int sock_af;
/**
* Specify socket type, either pj_SOCK_DGRAM() or pj_SOCK_STREAM().
*
* Default is pj_SOCK_STREAM().
*/
int sock_type;
/**
* Specify the ioqueue to use. Secure socket uses the ioqueue to perform
* active socket operations, see \ref PJ_ACTIVESOCK for more detail.
*/
pj_ioqueue_t *ioqueue;
/**
* Specify the timer heap to use. Secure socket uses the timer to provide
* auto cancelation on asynchronous operation when it takes longer time
* than specified timeout period, e.g: security negotiation timeout.
*/
pj_timer_heap_t *timer_heap;
/**
* Specify secure socket callbacks, see #pj_ssl_sock_cb.
*/
pj_ssl_sock_cb cb;
/**
* Specify secure socket user data.
*/
void *user_data;
/**
* Specify security protocol to use, see #pj_ssl_sock_proto.
*
* Default is PJ_SSL_SOCK_PROTO_DEFAULT.
*/
pj_ssl_sock_proto proto;
/**
* Number of concurrent asynchronous operations that is to be supported
* by the secure socket. This value only affects socket receive and
* accept operations -- the secure socket will issue one or more
* asynchronous read and accept operations based on the value of this
* field. Setting this field to more than one will allow more than one
* incoming data or incoming connections to be processed simultaneously
* on multiprocessor systems, when the ioqueue is polled by more than
* one threads.
*
* The default value is 1.
*/
unsigned async_cnt;
/**
* The ioqueue concurrency to be forced on the socket when it is
* registered to the ioqueue. See #pj_ioqueue_set_concurrency() for more
* info about ioqueue concurrency.
*
* When this value is -1, the concurrency setting will not be forced for
* this socket, and the socket will inherit the concurrency setting of
* the ioqueue. When this value is zero, the secure socket will disable
* concurrency for the socket. When this value is +1, the secure socket
* will enable concurrency for the socket.
*
* The default value is -1.
*/
int concurrency;
/**
* If this option is specified, the secure socket will make sure that
* asynchronous send operation with stream oriented socket will only
* call the callback after all data has been sent. This means that the
* secure socket will automatically resend the remaining data until
* all data has been sent.
*
* Please note that when this option is specified, it is possible that
* error is reported after partial data has been sent. Also setting
* this will disable the ioqueue concurrency for the socket.
*
* Default value is 1.
*/
pj_bool_t whole_data;
/**
* Specify buffer size for sending operation. Buffering sending data
* is used for allowing application to perform multiple outstanding
* send operations. Whenever application specifies this setting too
* small, sending operation may return PJ_ENOMEM.
*
* Default value is 8192 bytes.
*/
pj_size_t send_buffer_size;
/**
* Specify buffer size for receiving encrypted (and perhaps compressed)
* data on underlying socket. This setting is unused on Symbian, since
* SSL/TLS Symbian backend, CSecureSocket, can use application buffer
* directly.
*
* Default value is 1500.
*/
pj_size_t read_buffer_size;
/**
* Number of ciphers contained in the specified cipher preference.
* If this is set to zero, then default cipher list of the backend
* will be used.
*/
unsigned ciphers_num;
/**
* Ciphers and order preference. If empty, then default cipher list and
* its default order of the backend will be used.
*/
pj_ssl_cipher *ciphers;
/**
* Security negotiation timeout. If this is set to zero (both sec and
* msec), the negotiation doesn't have a timeout.
*
* Default value is zero.
*/
pj_time_val timeout;
/**
* Specify whether endpoint should verify peer certificate.
*
* Default value is PJ_FALSE.
*/
pj_bool_t verify_peer;
/**
* When secure socket is acting as server (handles incoming connection),
* it will require the client to provide certificate.
*
* Default value is PJ_FALSE.
*/
pj_bool_t require_client_cert;
/**
* Server name indication. When secure socket is acting as client
* (perform outgoing connection) and the server may host multiple
* 'virtual' servers at a single underlying network address, setting
* this will allow client to tell the server a name of the server
* it is contacting.
*
* Default value is zero/not-set.
*/
pj_str_t server_name;
/**
* QoS traffic type to be set on this transport. When application wants
* to apply QoS tagging to the transport, it's preferable to set this
* field rather than \a qos_param fields since this is more portable.
*
* Default value is PJ_QOS_TYPE_BEST_EFFORT.
*/
pj_qos_type qos_type;
/**
* Set the low level QoS parameters to the transport. This is a lower
* level operation than setting the \a qos_type field and may not be
* supported on all platforms.
*
* By default all settings in this structure are disabled.
*/
pj_qos_params qos_params;
/**
* Specify if the transport should ignore any errors when setting the QoS
* traffic type/parameters.
*
* Default: PJ_TRUE
*/
pj_bool_t qos_ignore_error;
} pj_ssl_sock_param;
/**
* Initialize the secure socket parameters for its creation with
* the default values.
*
* @param param The parameter to be initialized.
*/
PJ_DECL(void) pj_ssl_sock_param_default(pj_ssl_sock_param *param);
/**
* Create secure socket instance.
*
* @param pool The pool for allocating secure socket instance.
* @param param The secure socket parameter, see #pj_ssl_sock_param.
* @param p_ssock Pointer to secure socket instance to be created.
*
* @return PJ_SUCCESS when successful.
*/
PJ_DECL(pj_status_t) pj_ssl_sock_create(pj_pool_t *pool,
const pj_ssl_sock_param *param,
pj_ssl_sock_t **p_ssock);
/**
* Set secure socket certificate or credentials. Credentials may include
* certificate, private key and trusted Certification Authorities list.
* Normally, server socket must provide certificate (and private key).
* Socket client may also need to provide certificate in case requested
* by the server.
*
* @param ssock The secure socket instance.
* @param pool The pool.
* @param cert The endpoint certificate/credentials, see
* #pj_ssl_cert_t.
*
* @return PJ_SUCCESS if the operation has been successful,
* or the appropriate error code on failure.
*/
PJ_DECL(pj_status_t) pj_ssl_sock_set_certificate(
pj_ssl_sock_t *ssock,
pj_pool_t *pool,
const pj_ssl_cert_t *cert);
/**
* Close and destroy the secure socket.
*
* @param ssock The secure socket.
*
* @return PJ_SUCCESS if the operation has been successful,
* or the appropriate error code on failure.
*/
PJ_DECL(pj_status_t) pj_ssl_sock_close(pj_ssl_sock_t *ssock);
/**
* Associate arbitrary data with the secure socket. Application may
* inspect this data in the callbacks and associate it with higher
* level processing.
*
* @param ssock The secure socket.
* @param user_data The user data to be associated with the secure
* socket.
*
* @return PJ_SUCCESS if the operation has been successful,
* or the appropriate error code on failure.
*/
PJ_DECL(pj_status_t) pj_ssl_sock_set_user_data(pj_ssl_sock_t *ssock,
void *user_data);
/**
* Retrieve the user data previously associated with this secure
* socket.
*
* @param ssock The secure socket.
*
* @return The user data.
*/
PJ_DECL(void*) pj_ssl_sock_get_user_data(pj_ssl_sock_t *ssock);
/**
* Retrieve the local address and port used by specified secure socket.
*
* @param ssock The secure socket.
* @param info The info buffer to be set, see #pj_ssl_sock_info.
*
* @return PJ_SUCCESS on successful.
*/
PJ_DECL(pj_status_t) pj_ssl_sock_get_info(pj_ssl_sock_t *ssock,
pj_ssl_sock_info *info);
/**
* Starts read operation on this secure socket. This function will create
* \a async_cnt number of buffers (the \a async_cnt parameter was given
* in \a pj_ssl_sock_create() function) where each buffer is \a buff_size
* long. The buffers are allocated from the specified \a pool. Once the
* buffers are created, it then issues \a async_cnt number of asynchronous
* \a recv() operations to the socket and returns back to caller. Incoming
* data on the socket will be reported back to application via the
* \a on_data_read() callback.
*
* Application only needs to call this function once to initiate read
* operations. Further read operations will be done automatically by the
* secure socket when \a on_data_read() callback returns non-zero.
*
* @param ssock The secure socket.
* @param pool Pool used to allocate buffers for incoming data.
* @param buff_size The size of each buffer, in bytes.
* @param flags Flags to be given to pj_ioqueue_recv().
*
* @return PJ_SUCCESS if the operation has been successful,
* or the appropriate error code on failure.
*/
PJ_DECL(pj_status_t) pj_ssl_sock_start_read(pj_ssl_sock_t *ssock,
pj_pool_t *pool,
unsigned buff_size,
pj_uint32_t flags);
/**
* Same as #pj_ssl_sock_start_read(), except that the application
* supplies the buffers for the read operation so that the acive socket
* does not have to allocate the buffers.
*
* @param ssock The secure socket.
* @param pool Pool used to allocate buffers for incoming data.
* @param buff_size The size of each buffer, in bytes.
* @param readbuf Array of packet buffers, each has buff_size size.
* @param flags Flags to be given to pj_ioqueue_recv().
*
* @return PJ_SUCCESS if the operation has been successful,
* or the appropriate error code on failure.
*/
PJ_DECL(pj_status_t) pj_ssl_sock_start_read2(pj_ssl_sock_t *ssock,
pj_pool_t *pool,
unsigned buff_size,
void *readbuf[],
pj_uint32_t flags);
/**
* Same as pj_ssl_sock_start_read(), except that this function is used
* only for datagram sockets, and it will trigger \a on_data_recvfrom()
* callback instead.
*
* @param ssock The secure socket.
* @param pool Pool used to allocate buffers for incoming data.
* @param buff_size The size of each buffer, in bytes.
* @param flags Flags to be given to pj_ioqueue_recvfrom().
*
* @return PJ_SUCCESS if the operation has been successful,
* or the appropriate error code on failure.
*/
PJ_DECL(pj_status_t) pj_ssl_sock_start_recvfrom(pj_ssl_sock_t *ssock,
pj_pool_t *pool,
unsigned buff_size,
pj_uint32_t flags);
/**
* Same as #pj_ssl_sock_start_recvfrom() except that the recvfrom()
* operation takes the buffer from the argument rather than creating
* new ones.
*
* @param ssock The secure socket.
* @param pool Pool used to allocate buffers for incoming data.
* @param buff_size The size of each buffer, in bytes.
* @param readbuf Array of packet buffers, each has buff_size size.
* @param flags Flags to be given to pj_ioqueue_recvfrom().
*
* @return PJ_SUCCESS if the operation has been successful,
* or the appropriate error code on failure.
*/
PJ_DECL(pj_status_t) pj_ssl_sock_start_recvfrom2(pj_ssl_sock_t *ssock,
pj_pool_t *pool,
unsigned buff_size,
void *readbuf[],
pj_uint32_t flags);
/**
* Send data using the socket.
*
* @param ssock The secure socket.
* @param send_key The operation key to send the data, which is useful
* if application wants to submit multiple pending
* send operations and want to track which exact data
* has been sent in the \a on_data_sent() callback.
* @param data The data to be sent. This data must remain valid
* until the data has been sent.
* @param size The size of the data.
* @param flags Flags to be given to pj_ioqueue_send().
*
* @return PJ_SUCCESS if data has been sent immediately, or
* PJ_EPENDING if data cannot be sent immediately or
* PJ_ENOMEM when sending buffer could not handle all
* queued data, see \a send_buffer_size. The callback
* \a on_data_sent() will be called when data is actually
* sent. Any other return value indicates error condition.
*/
PJ_DECL(pj_status_t) pj_ssl_sock_send(pj_ssl_sock_t *ssock,
pj_ioqueue_op_key_t *send_key,
const void *data,
pj_ssize_t *size,
unsigned flags);
/**
* Send datagram using the socket.
*
* @param ssock The secure socket.
* @param send_key The operation key to send the data, which is useful
* if application wants to submit multiple pending
* send operations and want to track which exact data
* has been sent in the \a on_data_sent() callback.
* @param data The data to be sent. This data must remain valid
* until the data has been sent.
* @param size The size of the data.
* @param flags Flags to be given to pj_ioqueue_send().
* @param addr The destination address.
* @param addr_len Length of buffer containing destination address.
*
* @return PJ_SUCCESS if data has been sent immediately, or
* PJ_EPENDING if data cannot be sent immediately. In
* this case the \a on_data_sent() callback will be
* called when data is actually sent. Any other return
* value indicates error condition.
*/
PJ_DECL(pj_status_t) pj_ssl_sock_sendto(pj_ssl_sock_t *ssock,
pj_ioqueue_op_key_t *send_key,
const void *data,
pj_ssize_t *size,
unsigned flags,
const pj_sockaddr_t *addr,
int addr_len);
/**
* Starts asynchronous socket accept() operations on this secure socket.
* This function will issue \a async_cnt number of asynchronous \a accept()
* operations to the socket and returns back to caller. Incoming
* connection on the socket will be reported back to application via the
* \a on_accept_complete() callback.
*
* Application only needs to call this function once to initiate accept()
* operations. Further accept() operations will be done automatically by
* the secure socket when \a on_accept_complete() callback returns non-zero.
*
* @param ssock The secure socket.
* @param pool Pool used to allocate some internal data for the
* operation.
* @param localaddr Local address to bind on.
* @param addr_len Length of buffer containing local address.
*
* @return PJ_SUCCESS if the operation has been successful,
* or the appropriate error code on failure.
*/
PJ_DECL(pj_status_t) pj_ssl_sock_start_accept(pj_ssl_sock_t *ssock,
pj_pool_t *pool,
const pj_sockaddr_t *local_addr,
int addr_len);
/**
* Starts asynchronous socket connect() operation and SSL/TLS handshaking
* for this socket. Once the connection is done (either successfully or not),
* the \a on_connect_complete() callback will be called.
*
* @param ssock The secure socket.
* @param pool The pool to allocate some internal data for the
* operation.
* @param localaddr Local address.
* @param remaddr Remote address.
* @param addr_len Length of buffer containing above addresses.
*
* @return PJ_SUCCESS if connection can be established immediately
* or PJ_EPENDING if connection cannot be established
* immediately. In this case the \a on_connect_complete()
* callback will be called when connection is complete.
* Any other return value indicates error condition.
*/
PJ_DECL(pj_status_t) pj_ssl_sock_start_connect(pj_ssl_sock_t *ssock,
pj_pool_t *pool,
const pj_sockaddr_t *localaddr,
const pj_sockaddr_t *remaddr,
int addr_len);
/**
* Starts SSL/TLS renegotiation over an already established SSL connection
* for this socket. This operation is performed transparently, no callback
* will be called once the renegotiation completed successfully. However,
* when the renegotiation fails, the connection will be closed and callback
* \a on_data_read() will be invoked with non-PJ_SUCCESS status code.
*
* @param ssock The secure socket.
*
* @return PJ_SUCCESS if renegotiation is completed immediately,
* or PJ_EPENDING if renegotiation has been started and
* waiting for completion, or the appropriate error code
* on failure.
*/
PJ_DECL(pj_status_t) pj_ssl_sock_renegotiate(pj_ssl_sock_t *ssock);
/**
* @}
*/
PJ_END_DECL
#endif /* __PJ_SSL_SOCK_H__ */
|