1 /* tls_m.c - Handle tls/ssl using Mozilla NSS. */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2008-2011 The OpenLDAP Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
16 /* ACKNOWLEDGEMENTS: Initial version written by Howard Chu.
17 * Additional support by Rich Megginson.
24 #include "ldap_config.h"
28 #if defined( HAVE_FCNTL_H )
32 #include <ac/stdlib.h>
34 #include <ac/socket.h>
35 #include <ac/string.h>
38 #include <ac/unistd.h>
40 #include <ac/dirent.h>
45 #define READ_PASSWORD_FROM_STDIN
46 #define READ_PASSWORD_FROM_FILE
48 #ifdef READ_PASSWORD_FROM_STDIN
49 #include <termios.h> /* for echo on/off */
52 #include <nspr/nspr.h>
53 #include <nspr/private/pprio.h>
56 #include <nss/sslerr.h>
57 #include <nss/sslproto.h>
58 #include <nss/pk11pub.h>
59 #include <nss/secerr.h>
60 #include <nss/keyhi.h>
61 #include <nss/secmod.h>
64 #undef NSS_VERSION_INT
65 #define NSS_VERSION_INT ((NSS_VMAJOR << 24) | (NSS_VMINOR << 16) | \
66 (NSS_VPATCH << 8) | NSS_VBUILD)
68 /* NSS 3.12.5 and later have NSS_InitContext */
69 #if NSS_VERSION_INT >= 0x030c0500
70 #define HAVE_NSS_INITCONTEXT 1
73 /* NSS 3.12.9 and later have SECMOD_RestartModules */
74 #if NSS_VERSION_INT >= 0x030c0900
75 #define HAVE_SECMOD_RESTARTMODULES 1
78 /* InitContext does not currently work in server mode */
79 /* #define INITCONTEXT_HACK 1 */
81 typedef struct tlsm_ctx {
84 PRBool tc_verify_cert;
85 CERTCertDBHandle *tc_certdb;
88 struct ldaptls *tc_config;
91 PRCallOnceType tc_callonce;
93 char *tc_slotname; /* if using pem */
94 #ifdef HAVE_NSS_INITCONTEXT
95 NSSInitContext *tc_initctx; /* the NSS context */
97 PK11GenericObject **tc_pem_objs; /* array of objects to free */
98 int tc_n_pem_objs; /* number of objects */
100 ldap_pvt_thread_mutex_t tc_refmutex;
104 typedef PRFileDesc tlsm_session;
106 static PRDescIdentity tlsm_layer_id;
108 static const PRIOMethods tlsm_PR_methods;
110 #define PEM_LIBRARY "nsspem"
111 #define PEM_MODULE "PEM"
112 /* hash files for use with cacertdir have this file name suffix */
113 #define PEM_CA_HASH_FILE_SUFFIX ".0"
114 #define PEM_CA_HASH_FILE_SUFFIX_LEN 2
116 static SECMODModule *pem_module;
118 #define DEFAULT_TOKEN_NAME "default"
119 /* sprintf format used to create token name */
120 #define TLSM_PEM_TOKEN_FMT "PEM Token #%ld"
122 static int tlsm_slot_count;
124 #define PK11_SETATTRS(x,id,v,l) (x)->type = (id); \
125 (x)->pValue=(v); (x)->ulValueLen = (l);
127 /* forward declaration */
128 static int tlsm_init( void );
130 #ifdef LDAP_R_COMPILE
133 tlsm_thr_init( void )
137 #endif /* LDAP_R_COMPILE */
140 tlsm_dump_cipher_info(PRFileDesc *fd)
144 for (ii = 0; ii < SSL_NumImplementedCiphers; ++ii) {
145 PRInt32 cipher = (PRInt32)SSL_ImplementedCiphers[ii];
146 PRBool enabled = PR_FALSE;
148 SSLCipherSuiteInfo info;
151 SSL_CipherPrefGet(fd, cipher, &enabled);
153 SSL_CipherPrefGetDefault(cipher, &enabled);
155 SSL_CipherPolicyGet(cipher, &policy);
156 SSL_GetCipherSuiteInfo(cipher, &info, (PRUintn)sizeof(info));
157 Debug( LDAP_DEBUG_TRACE,
158 "TLS: cipher: %d - %s, enabled: %d, ",
159 info.cipherSuite, info.cipherSuiteName, enabled );
160 Debug( LDAP_DEBUG_TRACE,
161 "policy: %d\n", policy, 0, 0 );
167 /* Cipher definitions */
169 char *ossl_name; /* The OpenSSL cipher name */
170 int num; /* The cipher id */
171 int attr; /* cipher attributes: algorithms, etc */
172 int version; /* protocol version valid for this cipher */
173 int bits; /* bits of strength */
174 int alg_bits; /* bits of the algorithm */
175 int strength; /* LOW, MEDIUM, HIGH */
176 int enabled; /* Enabled by default? */
179 /* cipher attributes */
180 #define SSL_kRSA 0x00000001L
181 #define SSL_aRSA 0x00000002L
182 #define SSL_aDSS 0x00000004L
183 #define SSL_DSS SSL_aDSS
184 #define SSL_eNULL 0x00000008L
185 #define SSL_DES 0x00000010L
186 #define SSL_3DES 0x00000020L
187 #define SSL_RC4 0x00000040L
188 #define SSL_RC2 0x00000080L
189 #define SSL_AES 0x00000100L
190 #define SSL_MD5 0x00000200L
191 #define SSL_SHA1 0x00000400L
192 #define SSL_SHA SSL_SHA1
193 #define SSL_RSA (SSL_kRSA|SSL_aRSA)
195 /* cipher strength */
196 #define SSL_NULL 0x00000001L
197 #define SSL_EXPORT40 0x00000002L
198 #define SSL_EXPORT56 0x00000004L
199 #define SSL_LOW 0x00000008L
200 #define SSL_MEDIUM 0x00000010L
201 #define SSL_HIGH 0x00000020L
203 #define SSL2 0x00000001L
204 #define SSL3 0x00000002L
205 /* OpenSSL treats SSL3 and TLSv1 the same */
208 /* Cipher translation */
209 static cipher_properties ciphers_def[] = {
211 {"DES-CBC3-MD5", SSL_EN_DES_192_EDE3_CBC_WITH_MD5, SSL_kRSA|SSL_aRSA|SSL_3DES|SSL_MD5, SSL2, 168, 168, SSL_HIGH, SSL_ALLOWED},
212 {"RC2-CBC-MD5", SSL_EN_RC2_128_CBC_WITH_MD5, SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5, SSL2, 128, 128, SSL_MEDIUM, SSL_ALLOWED},
213 {"RC4-MD5", SSL_EN_RC4_128_WITH_MD5, SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5, SSL2, 128, 128, SSL_MEDIUM, SSL_ALLOWED},
214 {"DES-CBC-MD5", SSL_EN_DES_64_CBC_WITH_MD5, SSL_kRSA|SSL_aRSA|SSL_DES|SSL_MD5, SSL2, 56, 56, SSL_LOW, SSL_ALLOWED},
215 {"EXP-RC2-CBC-MD5", SSL_EN_RC2_128_CBC_EXPORT40_WITH_MD5, SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5, SSL2, 40, 128, SSL_EXPORT40, SSL_ALLOWED},
216 {"EXP-RC4-MD5", SSL_EN_RC4_128_EXPORT40_WITH_MD5, SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5, SSL2, 40, 128, SSL_EXPORT40, SSL_ALLOWED},
219 {"RC4-MD5", SSL_RSA_WITH_RC4_128_MD5, SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5, SSL3, 128, 128, SSL_MEDIUM, SSL_ALLOWED},
220 {"RC4-SHA", SSL_RSA_WITH_RC4_128_SHA, SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_SHA1, SSL3, 128, 128, SSL_MEDIUM, SSL_ALLOWED},
221 {"DES-CBC3-SHA", SSL_RSA_WITH_3DES_EDE_CBC_SHA, SSL_kRSA|SSL_aRSA|SSL_3DES|SSL_SHA1, SSL3, 168, 168, SSL_HIGH, SSL_ALLOWED},
222 {"DES-CBC-SHA", SSL_RSA_WITH_DES_CBC_SHA, SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA1, SSL3, 56, 56, SSL_LOW, SSL_ALLOWED},
223 {"EXP-RC4-MD5", SSL_RSA_EXPORT_WITH_RC4_40_MD5, SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5, SSL3, 40, 128, SSL_EXPORT40, SSL_ALLOWED},
224 {"EXP-RC2-CBC-MD5", SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5, SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5, SSL3, 0, 0, SSL_EXPORT40, SSL_ALLOWED},
225 {"NULL-MD5", SSL_RSA_WITH_NULL_MD5, SSL_kRSA|SSL_aRSA|SSL_eNULL|SSL_MD5, SSL3, 0, 0, SSL_NULL, SSL_NOT_ALLOWED},
226 {"NULL-SHA", SSL_RSA_WITH_NULL_SHA, SSL_kRSA|SSL_aRSA|SSL_eNULL|SSL_SHA1, SSL3, 0, 0, SSL_NULL, SSL_NOT_ALLOWED},
229 {"EXP1024-DES-CBC-SHA", TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA, SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA, TLS1, 56, 56, SSL_EXPORT56, SSL_ALLOWED},
230 {"EXP1024-RC4-SHA", TLS_RSA_EXPORT1024_WITH_RC4_56_SHA, SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_SHA, TLS1, 56, 56, SSL_EXPORT56, SSL_ALLOWED},
231 {"AES128-SHA", TLS_RSA_WITH_AES_128_CBC_SHA, SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA, TLS1, 128, 128, SSL_HIGH, SSL_ALLOWED},
232 {"AES256-SHA", TLS_RSA_WITH_AES_256_CBC_SHA, SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA, TLS1, 256, 256, SSL_HIGH, SSL_ALLOWED},
235 #define ciphernum (sizeof(ciphers_def)/sizeof(cipher_properties))
237 /* given err which is the current errno, calls PR_SetError with
238 the corresponding NSPR error code */
240 tlsm_map_error(int err)
246 prError = PR_NO_ACCESS_RIGHTS_ERROR;
249 prError = PR_ADDRESS_IN_USE_ERROR;
252 prError = PR_ADDRESS_NOT_AVAILABLE_ERROR;
255 prError = PR_ADDRESS_NOT_SUPPORTED_ERROR;
258 prError = PR_WOULD_BLOCK_ERROR;
261 * On QNX and Neutrino, EALREADY is defined as EBUSY.
263 #if EALREADY != EBUSY
265 prError = PR_ALREADY_INITIATED_ERROR;
269 prError = PR_BAD_DESCRIPTOR_ERROR;
273 prError = PR_IO_ERROR;
277 prError = PR_FILESYSTEM_MOUNTED_ERROR;
280 prError = PR_CONNECT_ABORTED_ERROR;
283 prError = PR_CONNECT_REFUSED_ERROR;
286 prError = PR_CONNECT_RESET_ERROR;
289 prError = PR_DEADLOCK_ERROR;
293 prError = PR_DIRECTORY_CORRUPTED_ERROR;
298 prError = PR_NO_DEVICE_SPACE_ERROR;
302 prError = PR_FILE_EXISTS_ERROR;
305 prError = PR_ACCESS_FAULT_ERROR;
308 prError = PR_FILE_TOO_BIG_ERROR;
311 prError = PR_HOST_UNREACHABLE_ERROR;
314 prError = PR_IN_PROGRESS_ERROR;
317 prError = PR_PENDING_INTERRUPT_ERROR;
320 prError = PR_INVALID_ARGUMENT_ERROR;
323 prError = PR_IO_ERROR;
326 prError = PR_IS_CONNECTED_ERROR;
329 prError = PR_IS_DIRECTORY_ERROR;
332 prError = PR_LOOP_ERROR;
335 prError = PR_PROC_DESC_TABLE_FULL_ERROR;
338 prError = PR_MAX_DIRECTORY_ENTRIES_ERROR;
341 prError = PR_INVALID_ARGUMENT_ERROR;
345 prError = PR_REMOTE_FILE_ERROR;
349 prError = PR_NAME_TOO_LONG_ERROR;
352 prError = PR_NETWORK_UNREACHABLE_ERROR;
355 prError = PR_SYS_DESC_TABLE_FULL_ERROR;
358 * On SCO OpenServer 5, ENOBUFS is defined as ENOSR.
360 #if defined(ENOBUFS) && (ENOBUFS != ENOSR)
362 prError = PR_INSUFFICIENT_RESOURCES_ERROR;
366 prError = PR_FILE_NOT_FOUND_ERROR;
369 prError = PR_FILE_NOT_FOUND_ERROR;
372 prError = PR_FILE_IS_LOCKED_ERROR;
376 prError = PR_REMOTE_FILE_ERROR;
380 prError = PR_OUT_OF_MEMORY_ERROR;
383 prError = PR_INVALID_ARGUMENT_ERROR;
386 prError = PR_NO_DEVICE_SPACE_ERROR;
390 prError = PR_INSUFFICIENT_RESOURCES_ERROR;
394 prError = PR_NOT_CONNECTED_ERROR;
397 prError = PR_NOT_DIRECTORY_ERROR;
400 prError = PR_NOT_SOCKET_ERROR;
403 prError = PR_FILE_NOT_FOUND_ERROR;
406 prError = PR_NOT_TCP_SOCKET_ERROR;
410 prError = PR_BUFFER_OVERFLOW_ERROR;
414 prError = PR_NO_ACCESS_RIGHTS_ERROR;
417 prError = PR_CONNECT_RESET_ERROR;
421 prError = PR_IO_ERROR;
424 case EPROTONOSUPPORT:
425 prError = PR_PROTOCOL_NOT_SUPPORTED_ERROR;
428 prError = PR_ADDRESS_NOT_SUPPORTED_ERROR;
431 prError = PR_INVALID_METHOD_ERROR;
434 prError = PR_READ_ONLY_FILESYSTEM_ERROR;
437 prError = PR_INVALID_METHOD_ERROR;
440 prError = PR_IO_TIMEOUT_ERROR;
442 #if EWOULDBLOCK != EAGAIN
444 prError = PR_WOULD_BLOCK_ERROR;
448 prError = PR_NOT_SAME_DEVICE_ERROR;
451 prError = PR_UNKNOWN_ERROR;
454 PR_SetError( prError, err );
458 * cipher_list is an integer array with the following values:
459 * -1: never enable this cipher
464 nss_parse_ciphers(const char *cipherstr, int cipher_list[ciphernum])
473 /* All disabled to start */
474 for (i=0; i<ciphernum; i++)
477 ciphertip = strdup(cipherstr);
478 cipher = ciphers = ciphertip;
480 while (ciphers && (strlen(ciphers))) {
481 while ((*cipher) && (isspace(*cipher)))
486 case '+': /* Add something */
490 case '-': /* Subtract something */
494 case '!': /* Disable something */
503 if ((ciphers = strchr(cipher, ':'))) {
507 /* Do the easy one first */
508 if (!strcmp(cipher, "ALL")) {
509 for (i=0; i<ciphernum; i++) {
510 if (!(ciphers_def[i].attr & SSL_eNULL))
511 cipher_list[i] = action;
513 } else if (!strcmp(cipher, "COMPLEMENTOFALL")) {
514 for (i=0; i<ciphernum; i++) {
515 if ((ciphers_def[i].attr & SSL_eNULL))
516 cipher_list[i] = action;
518 } else if (!strcmp(cipher, "DEFAULT")) {
519 for (i=0; i<ciphernum; i++) {
520 cipher_list[i] = ciphers_def[i].enabled == SSL_ALLOWED ? 1 : 0;
529 while (c && (strlen(c))) {
531 if ((c = strchr(cipher, '+'))) {
535 if (!strcmp(cipher, "RSA")) {
537 } else if ((!strcmp(cipher, "NULL")) || (!strcmp(cipher, "eNULL"))) {
539 } else if (!strcmp(cipher, "AES")) {
541 } else if (!strcmp(cipher, "3DES")) {
543 } else if (!strcmp(cipher, "DES")) {
545 } else if (!strcmp(cipher, "RC4")) {
547 } else if (!strcmp(cipher, "RC2")) {
549 } else if (!strcmp(cipher, "MD5")) {
551 } else if ((!strcmp(cipher, "SHA")) || (!strcmp(cipher, "SHA1"))) {
553 } else if (!strcmp(cipher, "SSLv2")) {
555 } else if (!strcmp(cipher, "SSLv3")) {
557 } else if (!strcmp(cipher, "TLSv1")) {
559 } else if (!strcmp(cipher, "HIGH")) {
560 strength |= SSL_HIGH;
561 } else if (!strcmp(cipher, "MEDIUM")) {
562 strength |= SSL_MEDIUM;
563 } else if (!strcmp(cipher, "LOW")) {
565 } else if ((!strcmp(cipher, "EXPORT")) || (!strcmp(cipher, "EXP"))) {
566 strength |= SSL_EXPORT40|SSL_EXPORT56;
567 } else if (!strcmp(cipher, "EXPORT40")) {
568 strength |= SSL_EXPORT40;
569 } else if (!strcmp(cipher, "EXPORT56")) {
570 strength |= SSL_EXPORT56;
578 /* If we have a mask, apply it. If not then perhaps they provided
579 * a specific cipher to enable.
581 if (mask || strength || protocol) {
582 for (i=0; i<ciphernum; i++) {
583 if (((ciphers_def[i].attr & mask) ||
584 (ciphers_def[i].strength & strength) ||
585 (ciphers_def[i].version & protocol)) &&
586 (cipher_list[i] != -1)) {
587 /* Enable the NULL ciphers only if explicity
589 if (ciphers_def[i].attr & SSL_eNULL) {
590 if (mask & SSL_eNULL)
591 cipher_list[i] = action;
593 cipher_list[i] = action;
597 for (i=0; i<ciphernum; i++) {
598 if (!strcmp(ciphers_def[i].ossl_name, cipher) &&
599 cipher_list[1] != -1)
600 cipher_list[i] = action;
609 /* See if any ciphers were enabled */
611 for (i=0; i<ciphernum; i++) {
612 if (cipher_list[i] == 1)
622 tlsm_parse_ciphers(tlsm_ctx *ctx, const char *str)
624 int cipher_state[ciphernum];
630 rv = nss_parse_ciphers(str, cipher_state);
633 /* First disable everything */
634 for (i = 0; i < SSL_NumImplementedCiphers; i++)
635 SSL_CipherPrefSet(ctx->tc_model, SSL_ImplementedCiphers[i], SSL_NOT_ALLOWED);
637 /* Now enable what was requested */
638 for (i=0; i<ciphernum; i++) {
639 SSLCipherSuiteInfo suite;
642 if (SSL_GetCipherSuiteInfo(ciphers_def[i].num, &suite, sizeof suite)
644 enabled = cipher_state[i] < 0 ? 0 : cipher_state[i];
645 if (enabled == SSL_ALLOWED) {
646 if (PK11_IsFIPS() && !suite.isFIPS)
647 enabled = SSL_NOT_ALLOWED;
649 SSL_CipherPrefSet(ctx->tc_model, ciphers_def[i].num, enabled);
654 return rv == 1 ? 0 : -1;
658 tlsm_bad_cert_handler(void *arg, PRFileDesc *ssl)
660 SECStatus success = SECSuccess;
662 tlsm_ctx *ctx = (tlsm_ctx *)arg;
668 err = PORT_GetError();
671 case SEC_ERROR_UNTRUSTED_ISSUER:
672 case SEC_ERROR_UNKNOWN_ISSUER:
673 case SEC_ERROR_EXPIRED_CERTIFICATE:
674 case SEC_ERROR_EXPIRED_ISSUER_CERTIFICATE:
675 if (ctx->tc_verify_cert) {
676 success = SECFailure;
679 /* we bypass NSS's hostname checks and do our own */
680 case SSL_ERROR_BAD_CERT_DOMAIN:
683 success = SECFailure;
691 tlsm_dump_security_status(PRFileDesc *fd)
693 char * cp; /* bulk cipher name */
694 char * ip; /* cert issuer DN */
695 char * sp; /* cert subject DN */
696 int op; /* High, Low, Off */
697 int kp0; /* total key bits */
698 int kp1; /* secret key bits */
699 SSL3Statistics * ssl3stats = SSL_GetStatistics();
701 SSL_SecurityStatus( fd, &op, &cp, &kp0, &kp1, &ip, &sp );
702 Debug( LDAP_DEBUG_TRACE,
703 "TLS certificate verification: subject: %s, issuer: %s, cipher: %s, ",
704 sp ? sp : "-unknown-", ip ? ip : "-unknown-", cp ? cp : "-unknown-" );
708 Debug( LDAP_DEBUG_TRACE,
709 "security level: %s, secret key bits: %d, total key bits: %d, ",
710 ((op == SSL_SECURITY_STATUS_ON_HIGH) ? "high" :
711 ((op == SSL_SECURITY_STATUS_ON_LOW) ? "low" : "off")),
714 Debug( LDAP_DEBUG_TRACE,
715 "cache hits: %ld, cache misses: %ld, cache not reusable: %ld\n",
716 ssl3stats->hch_sid_cache_hits, ssl3stats->hch_sid_cache_misses,
717 ssl3stats->hch_sid_cache_not_ok );
723 tlsm_handshake_complete_cb( PRFileDesc *fd, void *client_data )
725 tlsm_dump_security_status( fd );
728 #ifdef READ_PASSWORD_FROM_FILE
730 tlsm_get_pin_from_file(const char *token_name, tlsm_ctx *ctx)
733 char *contents = NULL;
736 char *candidate = NULL;
737 PRFileInfo file_info;
738 PRFileDesc *pwd_fileptr = PR_Open( ctx->tc_pin_file, PR_RDONLY, 00400 );
740 /* open the password file */
741 if ( !pwd_fileptr ) {
742 PRErrorCode errcode = PR_GetError();
743 Debug( LDAP_DEBUG_ANY,
744 "TLS: could not open security pin file %s - error %d:%s.\n",
745 ctx->tc_pin_file, errcode,
746 PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
750 /* get the file size */
751 if ( PR_SUCCESS != PR_GetFileInfo( ctx->tc_pin_file, &file_info ) ) {
752 PRErrorCode errcode = PR_GetError();
753 Debug( LDAP_DEBUG_ANY,
754 "TLS: could not get file info from pin file %s - error %d:%s.\n",
755 ctx->tc_pin_file, errcode,
756 PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
760 /* create a buffer to hold the file contents */
761 if ( !( contents = PR_MALLOC( file_info.size + 1 ) ) ) {
762 PRErrorCode errcode = PR_GetError();
763 Debug( LDAP_DEBUG_ANY,
764 "TLS: could not alloc a buffer for contents of pin file %s - error %d:%s.\n",
765 ctx->tc_pin_file, errcode,
766 PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
770 /* read file into the buffer */
771 if( PR_Read( pwd_fileptr, contents, file_info.size ) <= 0 ) {
772 PRErrorCode errcode = PR_GetError();
773 Debug( LDAP_DEBUG_ANY,
774 "TLS: could not read the file contents from pin file %s - error %d:%s.\n",
775 ctx->tc_pin_file, errcode,
776 PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
780 /* format is [tokenname:]password EOL [tokenname:]password EOL ... */
781 /* if you want to use a password containing a colon character, use
782 the special tokenname "default" */
783 for ( line = PL_strtok_r( contents, "\r\n", &lasts ); line;
784 line = PL_strtok_r( NULL, "\r\n", &lasts ) ) {
788 continue; /* skip blank lines */
790 colon = PL_strchr( line, ':' );
792 if ( *(colon + 1) && token_name &&
793 !PL_strncmp( token_name, line, colon-line ) ) {
794 candidate = colon + 1; /* found a definite match */
796 } else if ( !PL_strncmp( DEFAULT_TOKEN_NAME, line, colon-line ) ) {
797 candidate = colon + 1; /* found possible match */
799 } else { /* no token name */
805 PR_Close( pwd_fileptr );
808 pwdstr = PL_strdup( candidate );
810 PL_strfree( contents );
814 #endif /* READ_PASSWORD_FROM_FILE */
816 #ifdef READ_PASSWORD_FROM_STDIN
818 * Turn the echoing off on a tty.
823 if ( isatty( fd ) ) {
825 tcgetattr( fd, &tio );
826 tio.c_lflag &= ~ECHO;
827 tcsetattr( fd, TCSAFLUSH, &tio );
832 * Turn the echoing on on a tty.
837 if ( isatty( fd ) ) {
839 tcgetattr( fd, &tio );
841 tcsetattr( fd, TCSAFLUSH, &tio );
842 tcsetattr( fd, TCSAFLUSH, &tio );
845 #endif /* READ_PASSWORD_FROM_STDIN */
848 * This does the actual work of reading the pin/password/pass phrase
851 tlsm_get_pin(PK11SlotInfo *slot, PRBool retry, tlsm_ctx *ctx)
853 char *token_name = NULL;
856 token_name = PK11_GetTokenName( slot );
857 #ifdef READ_PASSWORD_FROM_FILE
858 /* Try to get the passwords from the password file if it exists.
859 * THIS IS UNSAFE and is provided for convenience only. Without this
860 * capability the server would have to be started in foreground mode
861 * if using an encrypted key.
863 if ( ctx->tc_pin_file ) {
864 pwdstr = tlsm_get_pin_from_file( token_name, ctx );
866 #endif /* RETRIEVE_PASSWORD_FROM_FILE */
867 #ifdef READ_PASSWORD_FROM_STDIN
869 int infd = PR_FileDesc2NativeHandle( PR_STDIN );
870 int isTTY = isatty( infd );
871 unsigned char phrase[200];
872 /* Prompt for password */
875 "Please enter pin, password, or pass phrase for security token '%s': ",
876 token_name ? token_name : DEFAULT_TOKEN_NAME );
879 fgets( (char*)phrase, sizeof(phrase), stdin );
881 fprintf( stdout, "\n" );
884 /* stomp on newline */
885 phrase[strlen((char*)phrase)-1] = 0;
887 pwdstr = PL_strdup( (char*)phrase );
890 #endif /* READ_PASSWORD_FROM_STDIN */
895 * PKCS11 devices (including the internal softokn cert/key database)
896 * may be protected by a pin or password or even pass phrase
897 * MozNSS needs a way for the user to provide that
900 tlsm_pin_prompt(PK11SlotInfo *slot, PRBool retry, void *arg)
902 tlsm_ctx *ctx = (tlsm_ctx *)arg;
904 return tlsm_get_pin( slot, retry, ctx );
908 tlsm_get_basic_constraint_extension( CERTCertificate *cert,
909 CERTBasicConstraints *cbcval )
911 SECItem encodedVal = { 0, NULL };
914 rc = CERT_FindCertExtension( cert, SEC_OID_X509_BASIC_CONSTRAINTS,
916 if ( rc != SECSuccess ) {
920 rc = CERT_DecodeBasicConstraintValue( cbcval, &encodedVal );
922 /* free the raw extension data */
923 PORT_Free( encodedVal.data );
929 tlsm_cert_is_self_issued( CERTCertificate *cert )
931 /* A cert is self-issued if its subject and issuer are equal and
932 * both are of non-zero length.
934 PRBool is_self_issued = cert &&
935 (PRBool)SECITEM_ItemsAreEqual( &cert->derIssuer,
936 &cert->derSubject ) &&
937 cert->derSubject.len > 0;
938 return is_self_issued;
942 tlsm_verify_cert(CERTCertDBHandle *handle, CERTCertificate *cert, void *pinarg,
943 PRBool checksig, SECCertificateUsage certUsage, int errorToIgnore )
945 CERTVerifyLog verifylog;
946 SECStatus ret = SECSuccess;
949 /* the log captures information about every cert in the chain, so we can tell
950 which cert caused the problem and what the problem was */
951 memset( &verifylog, 0, sizeof( verifylog ) );
952 verifylog.arena = PORT_NewArena( DER_DEFAULT_CHUNKSIZE );
953 if ( verifylog.arena == NULL ) {
954 Debug( LDAP_DEBUG_ANY,
955 "TLS certificate verification: Out of memory for certificate verification logger\n",
959 ret = CERT_VerifyCertificate( handle, cert, checksig, certUsage, PR_Now(), pinarg, &verifylog,
961 if ( ( name = cert->subjectName ) == NULL ) {
962 name = cert->nickname;
964 if ( verifylog.head == NULL ) {
965 /* it is possible for CERT_VerifyCertificate return with an error with no logging */
966 if ( ret != SECSuccess ) {
967 PRErrorCode errcode = PR_GetError();
968 Debug( LDAP_DEBUG_ANY,
969 "TLS: certificate [%s] is not valid - error %d:%s.\n",
970 name ? name : "(unknown)",
971 errcode, PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
975 CERTVerifyLogNode *node;
977 ret = SECSuccess; /* reset */
978 node = verifylog.head;
980 if ( ( name = node->cert->subjectName ) == NULL ) {
981 name = node->cert->nickname;
984 /* NSS does not like CA certs that have the basic constraints extension
985 with the CA flag set to FALSE - openssl doesn't check if the cert
987 if ( ( node->error == SEC_ERROR_CA_CERT_INVALID ) &&
988 tlsm_cert_is_self_issued( node->cert ) ) {
989 CERTBasicConstraints basicConstraint;
990 SECStatus rv = tlsm_get_basic_constraint_extension( node->cert, &basicConstraint );
991 if ( ( rv == SECSuccess ) && ( basicConstraint.isCA == PR_FALSE ) ) {
992 Debug( LDAP_DEBUG_TRACE,
993 "TLS: certificate [%s] is not correct because it is a CA cert and the "
994 "BasicConstraint CA flag is set to FALSE - allowing for now, but "
995 "please fix your certs if possible\n", name, 0, 0 );
996 } else { /* does not have basicconstraint, or some other error */
998 Debug( LDAP_DEBUG_ANY,
999 "TLS: certificate [%s] is not valid - CA cert is not valid\n",
1002 } else if ( errorToIgnore && ( node->error == errorToIgnore ) ) {
1003 Debug( LDAP_DEBUG_ANY,
1004 "TLS: Warning: ignoring error for certificate [%s] - error %ld:%s.\n",
1005 name, node->error, PR_ErrorToString( node->error, PR_LANGUAGE_I_DEFAULT ) );
1008 Debug( LDAP_DEBUG_ANY,
1009 "TLS: certificate [%s] is not valid - error %ld:%s.\n",
1010 name, node->error, PR_ErrorToString( node->error, PR_LANGUAGE_I_DEFAULT ) );
1013 CERT_DestroyCertificate( node->cert );
1018 PORT_FreeArena( verifylog.arena, PR_FALSE );
1020 if ( ret == SECSuccess ) {
1021 Debug( LDAP_DEBUG_TRACE,
1022 "TLS: certificate [%s] is valid\n", name, 0, 0 );
1029 tlsm_auth_cert_handler(void *arg, PRFileDesc *fd,
1030 PRBool checksig, PRBool isServer)
1032 SECCertificateUsage certUsage = isServer ? certificateUsageSSLClient : certificateUsageSSLServer;
1033 SECStatus ret = SECSuccess;
1034 CERTCertificate *peercert = SSL_PeerCertificate( fd );
1036 ret = tlsm_verify_cert( (CERTCertDBHandle *)arg, peercert,
1037 SSL_RevealPinArg( fd ),
1038 checksig, certUsage, 0 );
1039 CERT_DestroyCertificate( peercert );
1045 tlsm_authenticate_to_slot( tlsm_ctx *ctx, PK11SlotInfo *slot )
1049 if ( SECSuccess != PK11_Authenticate( slot, PR_FALSE, ctx ) ) {
1050 char *token_name = PK11_GetTokenName( slot );
1051 PRErrorCode errcode = PR_GetError();
1052 Debug( LDAP_DEBUG_ANY,
1053 "TLS: could not authenticate to the security token %s - error %d:%s.\n",
1054 token_name ? token_name : DEFAULT_TOKEN_NAME, errcode,
1055 PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
1057 rc = 0; /* success */
1064 tlsm_nss_shutdown_cb( void *appData, void *nssData )
1066 SECStatus rc = SECSuccess;
1068 SSL_ShutdownServerSessionIDCache();
1069 SSL_ClearSessionCache();
1072 SECMOD_UnloadUserModule( pem_module );
1073 SECMOD_DestroyModule( pem_module );
1080 tlsm_init_pem_module( void )
1083 char *fullname = NULL;
1084 char *configstring = NULL;
1090 /* not loaded - load it */
1091 /* get the system dependent library name */
1092 fullname = PR_GetLibraryName( NULL, PEM_LIBRARY );
1093 /* Load our PKCS#11 module */
1094 configstring = PR_smprintf( "library=%s name=" PEM_MODULE " parameters=\"\"", fullname );
1095 PL_strfree( fullname );
1097 pem_module = SECMOD_LoadUserModule( configstring, NULL, PR_FALSE );
1098 PR_smprintf_free( configstring );
1100 if ( !pem_module || !pem_module->loaded ) {
1102 SECMOD_DestroyModule( pem_module );
1112 tlsm_add_pem_obj( tlsm_ctx *ctx, PK11GenericObject *obj )
1114 int idx = ctx->tc_n_pem_objs;
1115 ctx->tc_n_pem_objs++;
1116 ctx->tc_pem_objs = (PK11GenericObject **)
1117 PORT_Realloc( ctx->tc_pem_objs, ctx->tc_n_pem_objs * sizeof( PK11GenericObject * ) );
1118 ctx->tc_pem_objs[idx] = obj;
1122 tlsm_free_pem_objs( tlsm_ctx *ctx )
1124 /* free in reverse order of allocation */
1125 while ( ctx->tc_n_pem_objs-- ) {
1126 PK11_DestroyGenericObject( ctx->tc_pem_objs[ctx->tc_n_pem_objs] );
1127 ctx->tc_pem_objs[ctx->tc_n_pem_objs] = NULL;
1129 PORT_Free(ctx->tc_pem_objs);
1130 ctx->tc_pem_objs = NULL;
1131 ctx->tc_n_pem_objs = 0;
1135 tlsm_add_cert_from_file( tlsm_ctx *ctx, const char *filename, PRBool isca, PRBool istrusted )
1138 PK11SlotInfo *slot = NULL;
1139 PK11GenericObject *rv;
1140 CK_ATTRIBUTE *attrs;
1141 CK_ATTRIBUTE theTemplate[20];
1142 CK_BBOOL cktrue = CK_TRUE;
1143 CK_BBOOL ckfalse = CK_FALSE;
1144 CK_OBJECT_CLASS objClass = CKO_CERTIFICATE;
1145 char tmpslotname[64];
1146 char *slotname = NULL;
1147 const char *ptr = NULL;
1148 char sep = PR_GetDirectorySeparator();
1152 memset( &fi, 0, sizeof(fi) );
1153 status = PR_GetFileInfo( filename, &fi );
1154 if ( PR_SUCCESS != status) {
1155 PRErrorCode errcode = PR_GetError();
1156 Debug( LDAP_DEBUG_ANY,
1157 "TLS: could not read certificate file %s - error %d:%s.\n",
1159 PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
1163 if ( fi.type != PR_FILE_FILE ) {
1164 PR_SetError(PR_IS_DIRECTORY_ERROR, 0);
1165 Debug( LDAP_DEBUG_ANY,
1166 "TLS: error: the certificate file %s is not a file.\n",
1171 attrs = theTemplate;
1174 slotID = 0; /* CA and trust objects use slot 0 */
1175 PR_snprintf( tmpslotname, sizeof(tmpslotname), TLSM_PEM_TOKEN_FMT, slotID );
1176 slotname = tmpslotname;
1177 istrusted = PR_TRUE;
1179 if ( ctx->tc_slotname == NULL ) { /* need new slot */
1183 slotID = ++tlsm_slot_count;
1185 ctx->tc_slotname = PR_smprintf( TLSM_PEM_TOKEN_FMT, slotID );
1187 slotname = ctx->tc_slotname;
1189 if ( ( ptr = PL_strrchr( filename, sep ) ) ) {
1190 PL_strfree( ctx->tc_certname );
1193 /* pemnss conflates trusted certs with CA certs - since there can
1194 be more than one CA cert in a file (e.g. ca-bundle.crt) pemnss
1195 numbers each trusted cert - in the case of a server cert, there will be
1196 only one, so it will be number 0 */
1197 ctx->tc_certname = PR_smprintf( "%s:%s - 0", slotname, ptr );
1199 ctx->tc_certname = PR_smprintf( "%s:%s", slotname, ptr );
1204 slot = PK11_FindSlotByName( slotname );
1207 PRErrorCode errcode = PR_GetError();
1208 Debug( LDAP_DEBUG_ANY,
1209 "TLS: could not find the slot for certificate %s - error %d:%s.\n",
1210 ctx->tc_certname, errcode,
1211 PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
1215 PK11_SETATTRS( attrs, CKA_CLASS, &objClass, sizeof(objClass) ); attrs++;
1216 PK11_SETATTRS( attrs, CKA_TOKEN, &cktrue, sizeof(CK_BBOOL) ); attrs++;
1217 PK11_SETATTRS( attrs, CKA_LABEL, (unsigned char *)filename, strlen(filename)+1 ); attrs++;
1219 PK11_SETATTRS( attrs, CKA_TRUST, &cktrue, sizeof(CK_BBOOL) ); attrs++;
1221 PK11_SETATTRS( attrs, CKA_TRUST, &ckfalse, sizeof(CK_BBOOL) ); attrs++;
1223 /* This loads the certificate in our PEM module into the appropriate
1226 rv = PK11_CreateGenericObject( slot, theTemplate, 4, PR_FALSE /* isPerm */ );
1228 PK11_FreeSlot( slot );
1231 PRErrorCode errcode = PR_GetError();
1232 Debug( LDAP_DEBUG_ANY,
1233 "TLS: could not add the certificate %s - error %d:%s.\n",
1234 ctx->tc_certname, errcode,
1235 PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
1239 tlsm_add_pem_obj( ctx, rv );
1245 tlsm_add_key_from_file( tlsm_ctx *ctx, const char *filename )
1248 PK11SlotInfo * slot = NULL;
1249 PK11GenericObject *rv;
1250 CK_ATTRIBUTE *attrs;
1251 CK_ATTRIBUTE theTemplate[20];
1252 CK_BBOOL cktrue = CK_TRUE;
1253 CK_OBJECT_CLASS objClass = CKO_PRIVATE_KEY;
1258 memset( &fi, 0, sizeof(fi) );
1259 status = PR_GetFileInfo( filename, &fi );
1260 if ( PR_SUCCESS != status) {
1261 PRErrorCode errcode = PR_GetError();
1262 Debug( LDAP_DEBUG_ANY,
1263 "TLS: could not read key file %s - error %d:%s.\n",
1265 PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
1269 if ( fi.type != PR_FILE_FILE ) {
1270 PR_SetError(PR_IS_DIRECTORY_ERROR, 0);
1271 Debug( LDAP_DEBUG_ANY,
1272 "TLS: error: the key file %s is not a file.\n",
1277 attrs = theTemplate;
1279 if ( ctx->tc_slotname == NULL ) { /* need new slot */
1280 slotID = ++tlsm_slot_count;
1281 ctx->tc_slotname = PR_smprintf( TLSM_PEM_TOKEN_FMT, slotID );
1283 slot = PK11_FindSlotByName( ctx->tc_slotname );
1286 PRErrorCode errcode = PR_GetError();
1287 Debug( LDAP_DEBUG_ANY,
1288 "TLS: could not find the slot %s for the private key - error %d:%s.\n",
1289 ctx->tc_slotname, errcode,
1290 PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
1294 PK11_SETATTRS( attrs, CKA_CLASS, &objClass, sizeof(objClass) ); attrs++;
1295 PK11_SETATTRS( attrs, CKA_TOKEN, &cktrue, sizeof(CK_BBOOL) ); attrs++;
1296 PK11_SETATTRS( attrs, CKA_LABEL, (unsigned char *)filename, strlen(filename)+1 ); attrs++;
1297 rv = PK11_CreateGenericObject( slot, theTemplate, 3, PR_FALSE /* isPerm */ );
1300 PRErrorCode errcode = PR_GetError();
1301 Debug( LDAP_DEBUG_ANY,
1302 "TLS: could not add the certificate %s - error %d:%s.\n",
1303 ctx->tc_certname, errcode,
1304 PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
1307 /* When adding an encrypted key the PKCS#11 will be set as removed */
1308 /* This will force the token to be seen as re-inserted */
1309 SECMOD_WaitForAnyTokenEvent( pem_module, 0, 0 );
1310 PK11_IsPresent( slot );
1314 PK11_FreeSlot( slot );
1317 tlsm_add_pem_obj( ctx, rv );
1323 tlsm_init_ca_certs( tlsm_ctx *ctx, const char *cacertfile, const char *cacertdir )
1325 PRBool isca = PR_TRUE;
1326 PRStatus status = PR_SUCCESS;
1327 PRErrorCode errcode = PR_SUCCESS;
1329 if ( !cacertfile && !cacertdir ) {
1330 /* no checking - not good, but allowed */
1335 int rc = tlsm_add_cert_from_file( ctx, cacertfile, isca, PR_TRUE );
1337 errcode = PR_GetError();
1338 Debug( LDAP_DEBUG_ANY,
1339 "TLS: %s is not a valid CA certificate file - error %d:%s.\n",
1340 cacertfile, errcode,
1341 PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
1342 /* failure with cacertfile is a hard failure even if cacertdir is
1343 also specified and contains valid CA cert files */
1344 status = PR_FAILURE;
1346 Debug( LDAP_DEBUG_TRACE,
1347 "TLS: loaded CA certificate file %s.\n",
1352 /* if cacertfile above failed, we will return failure, even
1353 if there is a valid CA cert in cacertdir - but we still
1354 process cacertdir in case the user has enabled trace level
1355 debugging so they can see the processing for cacertdir too */
1356 /* any cacertdir failures are "soft" failures - if the user specifies
1357 no cert checking, then we allow the tls/ssl to continue, no matter
1358 what was specified for cacertdir, or the contents of the directory
1359 - this is different behavior than that of cacertfile */
1364 PRStatus fistatus = PR_FAILURE;
1366 memset( &fi, 0, sizeof(fi) );
1367 fistatus = PR_GetFileInfo( cacertdir, &fi );
1368 if ( PR_SUCCESS != fistatus) {
1369 errcode = PR_GetError();
1370 Debug( LDAP_DEBUG_ANY,
1371 "TLS: could not get info about the CA certificate directory %s - error %d:%s.\n",
1373 PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
1377 if ( fi.type != PR_FILE_DIRECTORY ) {
1378 Debug( LDAP_DEBUG_ANY,
1379 "TLS: error: the CA certificate directory %s is not a directory.\n",
1384 dir = PR_OpenDir( cacertdir );
1385 if ( NULL == dir ) {
1386 errcode = PR_GetError();
1387 Debug( LDAP_DEBUG_ANY,
1388 "TLS: could not open the CA certificate directory %s - error %d:%s.\n",
1390 PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
1395 entry = PR_ReadDir( dir, PR_SKIP_BOTH | PR_SKIP_HIDDEN );
1396 if ( ( NULL != entry ) && ( NULL != entry->name ) ) {
1397 char *fullpath = NULL;
1400 ptr = PL_strrstr( entry->name, PEM_CA_HASH_FILE_SUFFIX );
1401 if ( ( ptr == NULL ) || ( *(ptr + PEM_CA_HASH_FILE_SUFFIX_LEN) != '\0' ) ) {
1402 Debug( LDAP_DEBUG_TRACE,
1403 "TLS: file %s does not end in [%s] - does not appear to be a CA certificate "
1404 "directory file with a properly hashed file name - skipping.\n",
1405 entry->name, PEM_CA_HASH_FILE_SUFFIX, 0 );
1408 fullpath = PR_smprintf( "%s/%s", cacertdir, entry->name );
1409 if ( !tlsm_add_cert_from_file( ctx, fullpath, isca, PR_TRUE ) ) {
1410 Debug( LDAP_DEBUG_TRACE,
1411 "TLS: loaded CA certificate file %s from CA certificate directory %s.\n",
1412 fullpath, cacertdir, 0 );
1414 errcode = PR_GetError();
1415 Debug( LDAP_DEBUG_TRACE,
1416 "TLS: %s is not a valid CA certificate file - error %d:%s.\n",
1418 PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
1420 PR_smprintf_free( fullpath );
1422 } while ( NULL != entry );
1426 if ( status != PR_SUCCESS ) {
1434 * NSS supports having multiple cert/key databases in the same
1435 * directory, each one having a unique string prefix e.g.
1436 * slapd-01-cert8.db - the prefix here is "slapd-01-"
1437 * this function examines the given certdir - if it looks like
1438 * /path/to/directory/prefix it will return the
1439 * /path/to/directory part in realcertdir, and the prefix in prefix
1442 tlsm_get_certdb_prefix( const char *certdir, char **realcertdir, char **prefix )
1444 char sep = PR_GetDirectorySeparator();
1446 struct PRFileInfo prfi;
1449 *realcertdir = (char *)certdir; /* default is the one passed in */
1451 /* if certdir is not given, just return */
1456 prc = PR_GetFileInfo( certdir, &prfi );
1457 /* if certdir exists (file or directory) then it cannot specify a prefix */
1458 if ( prc == PR_SUCCESS ) {
1462 /* if certdir was given, and there is a '/' in certdir, see if there
1463 is anything after the last '/' - if so, assume it is the prefix */
1464 if ( ( ( ptr = strrchr( certdir, sep ) ) ) && *(ptr+1) ) {
1465 *realcertdir = PL_strndup( certdir, ptr-certdir );
1466 *prefix = PL_strdup( ptr+1 );
1473 * This is the part of the init we defer until we get the
1474 * actual security configuration information. This is
1475 * only called once, protected by a PRCallOnce
1476 * NOTE: This must be done before the first call to SSL_ImportFD,
1477 * especially the setting of the policy
1478 * NOTE: This must be called after fork()
1481 tlsm_deferred_init( void *arg )
1483 tlsm_ctx *ctx = (tlsm_ctx *)arg;
1484 struct ldaptls *lt = ctx->tc_config;
1485 const char *securitydirs[3];
1488 PRErrorCode errcode = 1;
1489 #ifdef HAVE_NSS_INITCONTEXT
1490 NSSInitParameters initParams;
1491 NSSInitContext *initctx = NULL;
1496 #ifdef HAVE_SECMOD_RESTARTMODULES
1497 /* NSS enforces the pkcs11 requirement that modules should be unloaded after
1498 a fork() - since there is no portable way to determine if NSS has been
1499 already initialized in a parent process, we just call SECMOD_RestartModules
1500 with force == FALSE - if the module has been unloaded due to a fork, it will
1501 be reloaded, otherwise, it is a no-op */
1502 if ( SECFailure == ( rc = SECMOD_RestartModules(PR_FALSE /* do not force */) ) ) {
1503 errcode = PORT_GetError();
1504 if ( errcode != SEC_ERROR_NOT_INITIALIZED ) {
1505 Debug( LDAP_DEBUG_TRACE,
1506 "TLS: could not restart the security modules: %d:%s\n",
1507 errcode, PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ), 0 );
1514 #ifdef HAVE_NSS_INITCONTEXT
1515 memset( &initParams, 0, sizeof( initParams ) );
1516 initParams.length = sizeof( initParams );
1517 #endif /* HAVE_NSS_INITCONTEXT */
1519 #ifndef HAVE_NSS_INITCONTEXT
1520 if ( !NSS_IsInitialized() ) {
1521 #endif /* HAVE_NSS_INITCONTEXT */
1523 MOZNSS_DIR will override everything else - you can
1524 always set MOZNSS_DIR to force the use of this
1526 If using MOZNSS, specify the location of the moznss db dir
1527 in the cacertdir directive of the OpenLDAP configuration.
1528 DEFAULT_MOZNSS_DIR will only be used if the code cannot
1529 find a security dir to use based on the current
1533 securitydirs[nn++] = PR_GetEnv( "MOZNSS_DIR" );
1534 securitydirs[nn++] = lt->lt_cacertdir;
1535 securitydirs[nn++] = PR_GetEnv( "DEFAULT_MOZNSS_DIR" );
1536 for ( ii = 0; !done && ( ii < nn ); ++ii ) {
1537 char *realcertdir = NULL;
1538 const char *defprefix = "";
1539 char *prefix = (char *)defprefix;
1540 const char *securitydir = securitydirs[ii];
1541 if ( NULL == securitydir ) {
1545 tlsm_get_certdb_prefix( securitydir, &realcertdir, &prefix );
1546 #ifdef HAVE_NSS_INITCONTEXT
1547 #ifdef INITCONTEXT_HACK
1548 if ( !NSS_IsInitialized() && ctx->tc_is_server ) {
1549 rc = NSS_Initialize( realcertdir, prefix, prefix, SECMOD_DB, NSS_INIT_READONLY );
1551 initctx = NSS_InitContext( realcertdir, prefix, prefix, SECMOD_DB,
1552 &initParams, NSS_INIT_READONLY );
1553 rc = (initctx == NULL) ? SECFailure : SECSuccess;
1556 initctx = NSS_InitContext( realcertdir, prefix, prefix, SECMOD_DB,
1557 &initParams, NSS_INIT_READONLY );
1558 rc = (initctx == NULL) ? SECFailure : SECSuccess;
1561 rc = NSS_Initialize( realcertdir, prefix, prefix, SECMOD_DB, NSS_INIT_READONLY );
1564 if ( rc != SECSuccess ) {
1565 errcode = PORT_GetError();
1566 if ( securitydirs[ii] != lt->lt_cacertdir) {
1567 Debug( LDAP_DEBUG_TRACE,
1568 "TLS: could not initialize moznss using security dir %s prefix %s - error %d.\n",
1569 realcertdir, prefix, errcode );
1573 Debug( LDAP_DEBUG_TRACE, "TLS: using moznss security dir %s prefix %s.\n",
1574 realcertdir, prefix, 0 );
1578 if ( realcertdir != securitydir ) {
1579 PL_strfree( realcertdir );
1581 if ( prefix != defprefix ) {
1582 PL_strfree( prefix );
1586 if ( errcode ) { /* no moznss db found, or not using moznss db */
1587 #ifdef HAVE_NSS_INITCONTEXT
1588 int flags = NSS_INIT_READONLY|NSS_INIT_NOCERTDB|NSS_INIT_NOMODDB;
1589 #ifdef INITCONTEXT_HACK
1590 if ( !NSS_IsInitialized() && ctx->tc_is_server ) {
1591 rc = NSS_NoDB_Init( NULL );
1593 initctx = NSS_InitContext( "", "", "", SECMOD_DB,
1594 &initParams, flags );
1595 rc = (initctx == NULL) ? SECFailure : SECSuccess;
1598 initctx = NSS_InitContext( "", "", "", SECMOD_DB,
1599 &initParams, flags );
1600 rc = (initctx == NULL) ? SECFailure : SECSuccess;
1603 rc = NSS_NoDB_Init( NULL );
1605 if ( rc != SECSuccess ) {
1606 errcode = PORT_GetError();
1607 Debug( LDAP_DEBUG_ANY,
1608 "TLS: could not initialize moznss - error %d:%s.\n",
1609 errcode, PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ), 0 );
1613 #ifdef HAVE_NSS_INITCONTEXT
1614 ctx->tc_initctx = initctx;
1617 /* initialize the PEM module */
1618 if ( tlsm_init_pem_module() ) {
1619 errcode = PORT_GetError();
1620 Debug( LDAP_DEBUG_ANY,
1621 "TLS: could not initialize moznss PEM module - error %d:%s.\n",
1622 errcode, PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ), 0 );
1626 if ( tlsm_init_ca_certs( ctx, lt->lt_cacertfile, lt->lt_cacertdir ) ) {
1627 /* if we tried to use lt->lt_cacertdir as an NSS key/cert db, errcode
1628 will be a value other than 1 - print an error message so that the
1629 user will know that failed too */
1630 if ( ( errcode != 1 ) && ( lt->lt_cacertdir ) ) {
1631 char *realcertdir = NULL;
1632 char *prefix = NULL;
1633 tlsm_get_certdb_prefix( lt->lt_cacertdir, &realcertdir, &prefix );
1634 Debug( LDAP_DEBUG_TRACE,
1635 "TLS: could not initialize moznss using security dir %s prefix %s - error %d.\n",
1636 realcertdir, prefix ? prefix : "", errcode );
1637 if ( realcertdir != lt->lt_cacertdir ) {
1638 PL_strfree( realcertdir );
1640 PL_strfree( prefix );
1645 ctx->tc_using_pem = PR_TRUE;
1648 #ifdef HAVE_NSS_INITCONTEXT
1649 if ( !ctx->tc_initctx ) {
1650 ctx->tc_initctx = initctx;
1654 NSS_SetDomesticPolicy();
1656 PK11_SetPasswordFunc( tlsm_pin_prompt );
1658 /* register cleanup function */
1659 /* delete the old one, if any */
1660 NSS_UnregisterShutdown( tlsm_nss_shutdown_cb, NULL );
1661 NSS_RegisterShutdown( tlsm_nss_shutdown_cb, NULL );
1663 #ifndef HAVE_NSS_INITCONTEXT
1665 #endif /* HAVE_NSS_INITCONTEXT */
1671 tlsm_authenticate( tlsm_ctx *ctx, const char *certname, const char *pininfo )
1673 const char *colon = NULL;
1674 char *token_name = NULL;
1675 PK11SlotInfo *slot = NULL;
1678 if ( !certname || !*certname ) {
1682 if ( ( colon = PL_strchr( certname, ':' ) ) ) {
1683 token_name = PL_strndup( certname, colon-certname );
1687 slot = PK11_FindSlotByName( token_name );
1689 slot = PK11_GetInternalKeySlot();
1693 PRErrorCode errcode = PR_GetError();
1694 Debug( LDAP_DEBUG_ANY,
1695 "TLS: could not find the slot for security token %s - error %d:%s.\n",
1696 token_name ? token_name : DEFAULT_TOKEN_NAME, errcode,
1697 PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
1701 rc = tlsm_authenticate_to_slot( ctx, slot );
1704 PL_strfree( token_name );
1706 PK11_FreeSlot( slot );
1713 * Find and verify the certificate.
1714 * Either fd is given, in which case the cert will be taken from it via SSL_PeerCertificate
1715 * or certname is given, and it will be searched for by name
1718 tlsm_find_and_verify_cert_key(tlsm_ctx *ctx, PRFileDesc *fd, const char *certname, int isServer, CERTCertificate **pRetCert, SECKEYPrivateKey **pRetKey)
1720 CERTCertificate *cert = NULL;
1722 void *pin_arg = NULL;
1723 SECKEYPrivateKey *key = NULL;
1725 pin_arg = SSL_RevealPinArg( fd );
1727 cert = PK11_FindCertFromNickname( certname, pin_arg );
1729 PRErrorCode errcode = PR_GetError();
1730 Debug( LDAP_DEBUG_ANY,
1731 "TLS: error: the certificate %s could not be found in the database - error %d:%s\n",
1732 certname, errcode, PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
1736 /* we are verifying the peer cert
1737 we also need to swap the isServer meaning */
1738 cert = SSL_PeerCertificate( fd );
1740 PRErrorCode errcode = PR_GetError();
1741 Debug( LDAP_DEBUG_ANY,
1742 "TLS: error: could not get the certificate from the peer connection - error %d:%s\n",
1743 errcode, PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ), NULL );
1746 isServer = !isServer; /* verify the peer's cert instead */
1749 if ( ctx->tc_slotname ) {
1750 PK11SlotInfo *slot = PK11_FindSlotByName( ctx->tc_slotname );
1751 key = PK11_FindPrivateKeyFromCert( slot, cert, NULL );
1752 PK11_FreeSlot( slot );
1754 key = PK11_FindKeyByAnyCert( cert, pin_arg );
1758 SECCertificateUsage certUsage;
1759 PRBool checkSig = PR_TRUE;
1763 *pRetKey = key; /* caller will deal with this */
1765 SECKEY_DestroyPrivateKey( key );
1768 certUsage = certificateUsageSSLServer;
1770 certUsage = certificateUsageSSLClient;
1772 if ( ctx->tc_verify_cert ) {
1775 checkSig = PR_FALSE;
1777 /* may not have a CA cert - ok - ignore SEC_ERROR_UNKNOWN_ISSUER */
1778 status = tlsm_verify_cert( ctx->tc_certdb, cert, pin_arg,
1779 checkSig, certUsage, SEC_ERROR_UNKNOWN_ISSUER );
1780 if ( status == SECSuccess ) {
1784 PRErrorCode errcode = PR_GetError();
1785 Debug( LDAP_DEBUG_ANY,
1786 "TLS: error: could not find the private key for certificate %s - error %d:%s\n",
1787 certname, errcode, PR_ErrorToString( errcode, PR_LANGUAGE_I_DEFAULT ) );
1791 *pRetCert = cert; /* caller will deal with this */
1793 CERT_DestroyCertificate( cert );
1800 tlsm_get_client_auth_data( void *arg, PRFileDesc *fd,
1801 CERTDistNames *caNames, CERTCertificate **pRetCert,
1802 SECKEYPrivateKey **pRetKey )
1804 tlsm_ctx *ctx = (tlsm_ctx *)arg;
1807 /* don't need caNames - this function will call CERT_VerifyCertificateNow
1808 which will verify the cert against the known CAs */
1809 rc = tlsm_find_and_verify_cert_key( ctx, fd, ctx->tc_certname, 0, pRetCert, pRetKey );
1811 Debug( LDAP_DEBUG_ANY,
1812 "TLS: error: unable to perform client certificate authentication for "
1813 "certificate named %s\n", ctx->tc_certname, 0, 0 );
1814 if ( pRetKey && *pRetKey ) {
1815 SECKEY_DestroyPrivateKey( *pRetKey );
1818 if ( pRetCert && *pRetCert ) {
1819 CERT_DestroyCertificate( *pRetCert );
1829 * ctx must have a tc_model that is valid
1830 * certname is in the form [<tokenname>:]<certnickname>
1831 * where <tokenname> is the name of the PKCS11 token
1832 * and <certnickname> is the nickname of the cert/key in
1836 tlsm_clientauth_init( tlsm_ctx *ctx )
1838 SECStatus status = SECFailure;
1841 rc = tlsm_find_and_verify_cert_key( ctx, ctx->tc_model, ctx->tc_certname, 0, NULL, NULL );
1843 Debug( LDAP_DEBUG_ANY,
1844 "TLS: error: unable to set up client certificate authentication for "
1845 "certificate named %s\n", ctx->tc_certname, 0, 0 );
1849 status = SSL_GetClientAuthDataHook( ctx->tc_model,
1850 tlsm_get_client_auth_data,
1853 return ( status == SECSuccess ? 0 : -1 );
1857 * Tear down the TLS subsystem. Should only be called once.
1860 tlsm_destroy( void )
1865 tlsm_ctx_new ( struct ldapoptions *lo )
1869 ctx = LDAP_MALLOC( sizeof (*ctx) );
1872 #ifdef LDAP_R_COMPILE
1873 ldap_pvt_thread_mutex_init( &ctx->tc_refmutex );
1875 ctx->tc_config = &lo->ldo_tls_info; /* pointer into lo structure - must have global scope and must not go away before we can do real init */
1876 ctx->tc_certdb = NULL;
1877 ctx->tc_certname = NULL;
1878 ctx->tc_pin_file = NULL;
1879 ctx->tc_model = NULL;
1880 memset(&ctx->tc_callonce, 0, sizeof(ctx->tc_callonce));
1881 ctx->tc_require_cert = lo->ldo_tls_require_cert;
1882 ctx->tc_verify_cert = PR_FALSE;
1883 ctx->tc_using_pem = PR_FALSE;
1884 ctx->tc_slotname = NULL;
1885 #ifdef HAVE_NSS_INITCONTEXT
1886 ctx->tc_initctx = NULL;
1887 #endif /* HAVE_NSS_INITCONTEXT */
1888 ctx->tc_pem_objs = NULL;
1889 ctx->tc_n_pem_objs = 0;
1891 return (tls_ctx *)ctx;
1895 tlsm_ctx_ref( tls_ctx *ctx )
1897 tlsm_ctx *c = (tlsm_ctx *)ctx;
1898 LDAP_MUTEX_LOCK( &c->tc_refmutex );
1900 LDAP_MUTEX_UNLOCK( &c->tc_refmutex );
1904 tlsm_ctx_free ( tls_ctx *ctx )
1906 tlsm_ctx *c = (tlsm_ctx *)ctx;
1911 LDAP_MUTEX_LOCK( &c->tc_refmutex );
1912 refcount = --c->tc_refcnt;
1913 LDAP_MUTEX_UNLOCK( &c->tc_refmutex );
1917 PR_Close( c->tc_model );
1918 c->tc_certdb = NULL; /* if not the default, may have to clean up */
1919 PL_strfree( c->tc_certname );
1920 c->tc_certname = NULL;
1921 PL_strfree( c->tc_pin_file );
1922 c->tc_pin_file = NULL;
1923 PL_strfree( c->tc_slotname );
1924 tlsm_free_pem_objs( c );
1925 #ifdef HAVE_NSS_INITCONTEXT
1927 NSS_ShutdownContext( c->tc_initctx );
1928 c->tc_initctx = NULL;
1929 #endif /* HAVE_NSS_INITCONTEXT */
1930 #ifdef LDAP_R_COMPILE
1931 ldap_pvt_thread_mutex_destroy( &c->tc_refmutex );
1937 * initialize a new TLS context
1940 tlsm_ctx_init( struct ldapoptions *lo, struct ldaptls *lt, int is_server )
1942 tlsm_ctx *ctx = (tlsm_ctx *)lo->ldo_tls_ctx;
1943 ctx->tc_is_server = is_server;
1949 tlsm_deferred_ctx_init( void *arg )
1951 tlsm_ctx *ctx = (tlsm_ctx *)arg;
1952 PRBool sslv2 = PR_FALSE;
1953 PRBool sslv3 = PR_TRUE;
1954 PRBool tlsv1 = PR_TRUE;
1955 PRBool request_cert = PR_FALSE;
1956 PRInt32 require_cert = PR_FALSE;
1960 if ( tlsm_deferred_init( ctx ) ) {
1961 Debug( LDAP_DEBUG_ANY,
1962 "TLS: could perform TLS system initialization.\n",
1967 ctx->tc_certdb = CERT_GetDefaultCertDB(); /* If there is ever a per-context db, change this */
1969 fd = PR_CreateIOLayerStub( tlsm_layer_id, &tlsm_PR_methods );
1971 ctx->tc_model = SSL_ImportFD( NULL, fd );
1974 if ( !ctx->tc_model ) {
1975 PRErrorCode err = PR_GetError();
1976 Debug( LDAP_DEBUG_ANY,
1977 "TLS: could perform TLS socket I/O layer initialization - error %d:%s.\n",
1978 err, PR_ErrorToString( err, PR_LANGUAGE_I_DEFAULT ), NULL );
1986 if ( SECSuccess != SSL_OptionSet( ctx->tc_model, SSL_SECURITY, PR_TRUE ) ) {
1987 Debug( LDAP_DEBUG_ANY,
1988 "TLS: could not set secure mode on.\n",
1993 lt = ctx->tc_config;
1995 /* default is sslv3 and tlsv1 */
1996 if ( lt->lt_protocol_min ) {
1997 if ( lt->lt_protocol_min > LDAP_OPT_X_TLS_PROTOCOL_SSL3 ) {
1999 } else if ( lt->lt_protocol_min <= LDAP_OPT_X_TLS_PROTOCOL_SSL2 ) {
2001 Debug( LDAP_DEBUG_ANY,
2002 "TLS: warning: minimum TLS protocol level set to "
2003 "include SSLv2 - SSLv2 is insecure - do not use\n", 0, 0, 0 );
2006 if ( SECSuccess != SSL_OptionSet( ctx->tc_model, SSL_ENABLE_SSL2, sslv2 ) ) {
2007 Debug( LDAP_DEBUG_ANY,
2008 "TLS: could not set SSLv2 mode on.\n",
2012 if ( SECSuccess != SSL_OptionSet( ctx->tc_model, SSL_ENABLE_SSL3, sslv3 ) ) {
2013 Debug( LDAP_DEBUG_ANY,
2014 "TLS: could not set SSLv3 mode on.\n",
2018 if ( SECSuccess != SSL_OptionSet( ctx->tc_model, SSL_ENABLE_TLS, tlsv1 ) ) {
2019 Debug( LDAP_DEBUG_ANY,
2020 "TLS: could not set TLSv1 mode on.\n",
2025 if ( SECSuccess != SSL_OptionSet( ctx->tc_model, SSL_HANDSHAKE_AS_CLIENT, !ctx->tc_is_server ) ) {
2026 Debug( LDAP_DEBUG_ANY,
2027 "TLS: could not set handshake as client.\n",
2031 if ( SECSuccess != SSL_OptionSet( ctx->tc_model, SSL_HANDSHAKE_AS_SERVER, ctx->tc_is_server ) ) {
2032 Debug( LDAP_DEBUG_ANY,
2033 "TLS: could not set handshake as server.\n",
2038 if ( lt->lt_ciphersuite &&
2039 tlsm_parse_ciphers( ctx, lt->lt_ciphersuite )) {
2040 Debug( LDAP_DEBUG_ANY,
2041 "TLS: could not set cipher list %s.\n",
2042 lt->lt_ciphersuite, 0, 0 );
2044 } else if ( tlsm_parse_ciphers( ctx, "DEFAULT" ) ) {
2045 Debug( LDAP_DEBUG_ANY,
2046 "TLS: could not set cipher list DEFAULT.\n",
2051 if ( ctx->tc_require_cert ) {
2052 request_cert = PR_TRUE;
2053 require_cert = SSL_REQUIRE_NO_ERROR;
2054 if ( ctx->tc_require_cert == LDAP_OPT_X_TLS_DEMAND ||
2055 ctx->tc_require_cert == LDAP_OPT_X_TLS_HARD ) {
2056 require_cert = SSL_REQUIRE_ALWAYS;
2058 if ( ctx->tc_require_cert != LDAP_OPT_X_TLS_ALLOW )
2059 ctx->tc_verify_cert = PR_TRUE;
2061 ctx->tc_verify_cert = PR_FALSE;
2064 if ( SECSuccess != SSL_OptionSet( ctx->tc_model, SSL_REQUEST_CERTIFICATE, request_cert ) ) {
2065 Debug( LDAP_DEBUG_ANY,
2066 "TLS: could not set request certificate mode.\n",
2071 if ( SECSuccess != SSL_OptionSet( ctx->tc_model, SSL_REQUIRE_CERTIFICATE, require_cert ) ) {
2072 Debug( LDAP_DEBUG_ANY,
2073 "TLS: could not set require certificate mode.\n",
2078 /* set up our cert and key, if any */
2079 if ( lt->lt_certfile ) {
2080 /* if using the PEM module, load the PEM file specified by lt_certfile */
2081 /* otherwise, assume this is the name of a cert already in the db */
2082 if ( ctx->tc_using_pem ) {
2083 /* this sets ctx->tc_certname to the correct value */
2084 int rc = tlsm_add_cert_from_file( ctx, lt->lt_certfile, PR_FALSE, PR_TRUE );
2089 PL_strfree( ctx->tc_certname );
2090 ctx->tc_certname = PL_strdup( lt->lt_certfile );
2094 if ( lt->lt_keyfile ) {
2095 /* if using the PEM module, load the PEM file specified by lt_keyfile */
2096 /* otherwise, assume this is the pininfo for the key */
2097 if ( ctx->tc_using_pem ) {
2098 /* this sets ctx->tc_certname to the correct value */
2099 int rc = tlsm_add_key_from_file( ctx, lt->lt_keyfile );
2104 PL_strfree( ctx->tc_pin_file );
2105 ctx->tc_pin_file = PL_strdup( lt->lt_keyfile );
2109 /* Set up callbacks for use by clients */
2110 if ( !ctx->tc_is_server ) {
2111 if ( SSL_OptionSet( ctx->tc_model, SSL_NO_CACHE, PR_TRUE ) != SECSuccess ) {
2112 PRErrorCode err = PR_GetError();
2113 Debug( LDAP_DEBUG_ANY,
2114 "TLS: error: could not set nocache option for moznss - error %d:%s\n",
2115 err, PR_ErrorToString( err, PR_LANGUAGE_I_DEFAULT ), NULL );
2119 if ( SSL_BadCertHook( ctx->tc_model, tlsm_bad_cert_handler, ctx ) != SECSuccess ) {
2120 PRErrorCode err = PR_GetError();
2121 Debug( LDAP_DEBUG_ANY,
2122 "TLS: error: could not set bad cert handler for moznss - error %d:%s\n",
2123 err, PR_ErrorToString( err, PR_LANGUAGE_I_DEFAULT ), NULL );
2128 since a cert has been specified, assume the client wants to do cert auth
2130 if ( ctx->tc_certname ) {
2131 if ( tlsm_authenticate( ctx, ctx->tc_certname, ctx->tc_pin_file ) ) {
2132 Debug( LDAP_DEBUG_ANY,
2133 "TLS: error: unable to authenticate to the security device for certificate %s\n",
2134 ctx->tc_certname, 0, 0 );
2137 if ( tlsm_clientauth_init( ctx ) ) {
2138 Debug( LDAP_DEBUG_ANY,
2139 "TLS: error: unable to set up client certificate authentication using %s\n",
2140 ctx->tc_certname, 0, 0 );
2144 } else { /* set up secure server */
2146 CERTCertificate *serverCert;
2147 SECKEYPrivateKey *serverKey;
2150 /* must have a certificate for the server to use */
2151 if ( !ctx->tc_certname ) {
2152 Debug( LDAP_DEBUG_ANY,
2153 "TLS: error: no server certificate: must specify a certificate for the server to use\n",
2158 /* authenticate to the server's token - this will do nothing
2159 if the key/cert db is not password protected */
2160 if ( tlsm_authenticate( ctx, ctx->tc_certname, ctx->tc_pin_file ) ) {
2161 Debug( LDAP_DEBUG_ANY,
2162 "TLS: error: unable to authenticate to the security device for certificate %s\n",
2163 ctx->tc_certname, 0, 0 );
2167 /* get the server's key and cert */
2168 if ( tlsm_find_and_verify_cert_key( ctx, ctx->tc_model, ctx->tc_certname, ctx->tc_is_server,
2169 &serverCert, &serverKey ) ) {
2170 Debug( LDAP_DEBUG_ANY,
2171 "TLS: error: unable to find and verify server's cert and key for certificate %s\n",
2172 ctx->tc_certname, 0, 0 );
2173 CERT_DestroyCertificate( serverCert );
2174 SECKEY_DestroyPrivateKey( serverKey );
2178 certKEA = NSS_FindCertKEAType( serverCert );
2179 /* configure the socket to be a secure server socket */
2180 status = SSL_ConfigSecureServer( ctx->tc_model, serverCert, serverKey, certKEA );
2181 /* SSL_ConfigSecureServer copies these */
2182 CERT_DestroyCertificate( serverCert );
2183 SECKEY_DestroyPrivateKey( serverKey );
2185 if ( SECSuccess != status ) {
2186 PRErrorCode err = PR_GetError();
2187 Debug( LDAP_DEBUG_ANY,
2188 "TLS: error: unable to configure secure server using certificate %s - error %d:%s\n",
2189 ctx->tc_certname, err, PR_ErrorToString( err, PR_LANGUAGE_I_DEFAULT ) );
2194 /* Callback for authenticating certificate */
2195 if ( SSL_AuthCertificateHook( ctx->tc_model, tlsm_auth_cert_handler,
2196 ctx->tc_certdb ) != SECSuccess ) {
2197 PRErrorCode err = PR_GetError();
2198 Debug( LDAP_DEBUG_ANY,
2199 "TLS: error: could not set auth cert handler for moznss - error %d:%s\n",
2200 err, PR_ErrorToString( err, PR_LANGUAGE_I_DEFAULT ), NULL );
2204 if ( SSL_HandshakeCallback( ctx->tc_model, tlsm_handshake_complete_cb, ctx ) ) {
2205 PRErrorCode err = PR_GetError();
2206 Debug( LDAP_DEBUG_ANY,
2207 "TLS: error: could not set handshake callback for moznss - error %d:%s\n",
2208 err, PR_ErrorToString( err, PR_LANGUAGE_I_DEFAULT ), NULL );
2216 tlsm_session *session;
2217 Sockbuf_IO_Desc *sbiod;
2218 /* there seems to be no portable way to determine if the
2219 sockbuf sd has been set to nonblocking mode - the
2220 call to ber_pvt_socket_set_nonblock() takes place
2221 before the tls socket is set up, so we cannot
2222 intercept that call either.
2223 On systems where fcntl is available, we can just
2224 F_GETFL and test for O_NONBLOCK. On other systems,
2225 we will just see if the IO op returns EAGAIN or EWOULDBLOCK,
2226 and just set this flag */
2229 * NSS tries hard to be backwards compatible with SSLv2 clients, or
2230 * clients that send an SSLv2 client hello. This message is not
2231 * tagged in any way, so NSS has no way to know if the incoming
2232 * message is a valid SSLv2 client hello or just some bogus data
2233 * (or cleartext LDAP). We store the first byte read from the
2234 * client here. The most common case will be a client sending
2235 * LDAP data instead of SSL encrypted LDAP data. This can happen,
2236 * for example, if using ldapsearch -Z - if the starttls fails,
2237 * the client will fallback to plain cleartext LDAP. So if we
2238 * see that the firstbyte is a valid LDAP tag, we can be
2239 * pretty sure this is happening.
2243 * NSS doesn't return SSL_ERROR_WANT_READ, SSL_ERROR_WANT_WRITE, etc.
2244 * when it is blocked, so we have to set a flag in the wrapped send
2245 * and recv calls that tells us what operation NSS was last blocked
2249 #define TLSM_WRITE 2
2253 static struct tls_data *
2254 tlsm_get_pvt_tls_data( PRFileDesc *fd )
2263 myfd = PR_GetIdentitiesLayer( fd, tlsm_layer_id );
2269 p = (struct tls_data *)myfd->secret;
2275 tlsm_is_non_ssl_message( PRFileDesc *fd, ber_tag_t *thebyte )
2280 *thebyte = LBER_DEFAULT;
2283 p = tlsm_get_pvt_tls_data( fd );
2284 if ( p == NULL || p->sbiod == NULL ) {
2288 if ( p->firsttag == LBER_SEQUENCE ) {
2290 *thebyte = p->firsttag;
2298 static tls_session *
2299 tlsm_session_new ( tls_ctx * ctx, int is_server )
2301 tlsm_ctx *c = (tlsm_ctx *)ctx;
2302 tlsm_session *session;
2307 c->tc_is_server = is_server;
2308 status = PR_CallOnceWithArg( &c->tc_callonce, tlsm_deferred_ctx_init, c );
2309 if ( PR_SUCCESS != status ) {
2310 PRErrorCode err = PR_GetError();
2311 Debug( LDAP_DEBUG_ANY,
2312 "TLS: error: could not initialize moznss security context - error %d:%s\n",
2313 err, PR_ErrorToString(err, PR_LANGUAGE_I_DEFAULT), NULL );
2317 fd = PR_CreateIOLayerStub( tlsm_layer_id, &tlsm_PR_methods );
2322 session = SSL_ImportFD( c->tc_model, fd );
2329 /* 0 means use the defaults here */
2330 SSL_ConfigServerSessionIDCache( 0, 0, 0, NULL );
2333 rc = SSL_ResetHandshake( session, is_server );
2335 PRErrorCode err = PR_GetError();
2336 Debug( LDAP_DEBUG_TRACE,
2337 "TLS: error: new session - reset handshake failure %d - error %d:%s\n",
2339 err ? PR_ErrorToString( err, PR_LANGUAGE_I_DEFAULT ) : "unknown" );
2341 PR_Close( session );
2345 return (tls_session *)session;
2349 tlsm_session_accept_or_connect( tls_session *session, int is_accept )
2351 tlsm_session *s = (tlsm_session *)session;
2352 int rc = SSL_ForceHandshake( s );
2353 const char *op = is_accept ? "accept" : "connect";
2356 PRErrorCode err = PR_GetError();
2358 if ( err == PR_WOULD_BLOCK_ERROR ) {
2359 ber_tag_t thetag = LBER_DEFAULT;
2360 /* see if we are blocked because of a bogus packet */
2361 if ( tlsm_is_non_ssl_message( s, &thetag ) ) { /* see if we received a non-SSL message */
2362 Debug( LDAP_DEBUG_ANY,
2363 "TLS: error: %s - error - received non-SSL message [0x%x]\n",
2364 op, (unsigned int)thetag, 0 );
2365 /* reset error to something more descriptive */
2366 PR_SetError( SSL_ERROR_RX_MALFORMED_HELLO_REQUEST, EPROTO );
2369 Debug( LDAP_DEBUG_ANY,
2370 "TLS: error: %s - force handshake failure: errno %d - moznss error %d\n",
2378 tlsm_session_accept( tls_session *session )
2380 return tlsm_session_accept_or_connect( session, 1 );
2384 tlsm_session_connect( LDAP *ld, tls_session *session )
2386 return tlsm_session_accept_or_connect( session, 0 );
2390 tlsm_session_upflags( Sockbuf *sb, tls_session *session, int rc )
2392 int prerror = PR_GetError();
2394 if ( ( prerror == PR_PENDING_INTERRUPT_ERROR ) || ( prerror == PR_WOULD_BLOCK_ERROR ) ) {
2395 tlsm_session *s = (tlsm_session *)session;
2396 struct tls_data *p = tlsm_get_pvt_tls_data( s );
2398 if ( p && ( p->io_flag == TLSM_READ ) ) {
2399 sb->sb_trans_needs_read = 1;
2401 } else if ( p && ( p->io_flag == TLSM_WRITE ) ) {
2402 sb->sb_trans_needs_write = 1;
2411 tlsm_session_errmsg( tls_session *sess, int rc, char *buf, size_t len )
2414 int prerror = PR_GetError();
2416 i = PR_GetErrorTextLength();
2418 char *msg = LDAP_MALLOC( i+1 );
2419 PR_GetErrorText( msg );
2420 memcpy( buf, msg, len );
2423 PR_GetErrorText( buf );
2424 } else if ( prerror ) {
2425 i = PR_snprintf( buf, len, "TLS error %d:%s",
2426 prerror, PR_ErrorToString( prerror, PR_LANGUAGE_I_DEFAULT ) );
2429 return ( i > 0 ) ? buf : NULL;
2433 tlsm_session_my_dn( tls_session *session, struct berval *der_dn )
2435 tlsm_session *s = (tlsm_session *)session;
2436 CERTCertificate *cert;
2438 cert = SSL_LocalCertificate( s );
2439 if (!cert) return LDAP_INVALID_CREDENTIALS;
2441 der_dn->bv_val = (char *)cert->derSubject.data;
2442 der_dn->bv_len = cert->derSubject.len;
2443 CERT_DestroyCertificate( cert );
2448 tlsm_session_peer_dn( tls_session *session, struct berval *der_dn )
2450 tlsm_session *s = (tlsm_session *)session;
2451 CERTCertificate *cert;
2453 cert = SSL_PeerCertificate( s );
2454 if (!cert) return LDAP_INVALID_CREDENTIALS;
2456 der_dn->bv_val = (char *)cert->derSubject.data;
2457 der_dn->bv_len = cert->derSubject.len;
2458 CERT_DestroyCertificate( cert );
2462 /* what kind of hostname were we given? */
2468 tlsm_session_chkhost( LDAP *ld, tls_session *session, const char *name_in )
2470 tlsm_session *s = (tlsm_session *)session;
2471 CERTCertificate *cert;
2472 const char *name, *domain = NULL, *ptr;
2473 int ret, ntype = IS_DNS, nlen, dlen;
2474 #ifdef LDAP_PF_INET6
2475 struct in6_addr addr;
2477 struct in_addr addr;
2482 if( ldap_int_hostname &&
2483 ( !name_in || !strcasecmp( name_in, "localhost" ) ) )
2485 name = ldap_int_hostname;
2489 nlen = strlen( name );
2491 cert = SSL_PeerCertificate( s );
2493 Debug( LDAP_DEBUG_ANY,
2494 "TLS: unable to get peer certificate.\n",
2496 /* if this was a fatal condition, things would have
2497 * aborted long before now.
2499 return LDAP_SUCCESS;
2502 #ifdef LDAP_PF_INET6
2503 if (name[0] == '[' && strchr(name, ']')) {
2504 char *n2 = ldap_strdup(name+1);
2505 *strchr(n2, ']') = 0;
2506 if (inet_pton(AF_INET6, n2, &addr))
2511 if ((ptr = strrchr(name, '.')) && isdigit((unsigned char)ptr[1])) {
2512 if (inet_aton(name, (struct in_addr *)&addr)) ntype = IS_IP4;
2514 if (ntype == IS_DNS ) {
2515 domain = strchr( name, '.' );
2517 dlen = nlen - ( domain - name );
2520 ret = LDAP_LOCAL_ERROR;
2522 rv = CERT_FindCertExtension( cert, SEC_OID_X509_SUBJECT_ALT_NAME,
2524 if ( rv == SECSuccess && altname.data ) {
2526 CERTGeneralName *names, *cur;
2528 arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
2530 ret = LDAP_NO_MEMORY;
2534 names = cur = CERT_DecodeAltNameExtension(arena, &altname);
2543 if ( !cur->name.other.len ) continue;
2545 host = (char *)cur->name.other.data;
2546 hlen = cur->name.other.len;
2548 if ( cur->type == certDNSName ) {
2549 if ( ntype != IS_DNS ) continue;
2551 /* is this an exact match? */
2552 if ( nlen == hlen && !strncasecmp( name, host, nlen )) {
2557 /* is this a wildcard match? */
2558 if ( domain && host[0] == '*' && host[1] == '.' &&
2559 dlen == hlen-1 && !strncasecmp( domain, host+1, dlen )) {
2563 } else if ( cur->type == certIPAddress ) {
2564 if ( ntype == IS_DNS ) continue;
2566 #ifdef LDAP_PF_INET6
2567 if (ntype == IS_IP6 && hlen != sizeof(struct in6_addr)) {
2571 if (ntype == IS_IP4 && hlen != sizeof(struct in_addr)) {
2574 if (!memcmp(host, &addr, hlen)) {
2579 } while (( cur = CERT_GetNextGeneralName( cur )) != names );
2581 PORT_FreeArena( arena, PR_FALSE );
2582 SECITEM_FreeItem( &altname, PR_FALSE );
2584 /* no altnames matched, try the CN */
2585 if ( ret != LDAP_SUCCESS ) {
2586 /* find the last CN */
2587 CERTRDN *rdn, **rdns;
2588 CERTAVA *lastava = NULL;
2592 rdns = cert->subject.rdns;
2593 while ( rdns && ( rdn = *rdns++ )) {
2594 CERTAVA *ava, **avas = rdn->avas;
2595 while ( avas && ( ava = *avas++ )) {
2596 if ( CERT_GetAVATag( ava ) == SEC_OID_AVA_COMMON_NAME )
2601 SECItem *av = CERT_DecodeAVAValue( &lastava->value );
2603 if ( av->len == nlen && !strncasecmp( name, (char *)av->data, nlen )) {
2605 } else if ( av->data[0] == '*' && av->data[1] == '.' &&
2606 domain && dlen == av->len - 1 && !strncasecmp( name,
2607 (char *)(av->data+1), dlen )) {
2611 if ( len >= sizeof(buf) )
2612 len = sizeof(buf)-1;
2613 memcpy( buf, av->data, len );
2616 SECITEM_FreeItem( av, PR_TRUE );
2619 if ( ret != LDAP_SUCCESS ) {
2620 Debug( LDAP_DEBUG_ANY, "TLS: hostname (%s) does not match "
2621 "common name in certificate (%s).\n",
2623 ret = LDAP_CONNECT_ERROR;
2624 if ( ld->ld_error ) {
2625 LDAP_FREE( ld->ld_error );
2627 ld->ld_error = LDAP_STRDUP(
2628 _("TLS: hostname does not match CN in peer certificate"));
2633 CERT_DestroyCertificate( cert );
2638 tlsm_session_strength( tls_session *session )
2640 tlsm_session *s = (tlsm_session *)session;
2643 rc = SSL_SecurityStatus( s, NULL, NULL, NULL, &keySize,
2645 return rc ? 0 : keySize;
2649 * TLS support for LBER Sockbufs
2652 static PRStatus PR_CALLBACK
2653 tlsm_PR_Close(PRFileDesc *fd)
2655 int rc = PR_SUCCESS;
2657 /* we don't need to actually close anything here, just
2658 pop our io layer off the stack */
2659 fd->secret = NULL; /* must have been freed before calling PR_Close */
2661 fd = PR_PopIOLayer( fd, tlsm_layer_id );
2662 /* if we are not the last layer, pass the close along */
2667 rc = fd->methods->close( fd );
2670 /* we are the last layer - just call our dtor */
2677 static PRStatus PR_CALLBACK
2678 tlsm_PR_Shutdown(PRFileDesc *fd, PRShutdownHow how)
2680 int rc = PR_SUCCESS;
2683 rc = PR_Shutdown( fd->lower, how );
2689 static int PR_CALLBACK
2690 tlsm_PR_Recv(PRFileDesc *fd, void *buf, PRInt32 len, PRIntn flags,
2691 PRIntervalTime timeout)
2696 if ( buf == NULL || len <= 0 ) return 0;
2698 p = tlsm_get_pvt_tls_data( fd );
2700 if ( p == NULL || p->sbiod == NULL ) {
2704 rc = LBER_SBIOD_READ_NEXT( p->sbiod, buf, len );
2706 tlsm_map_error( errno );
2707 if ( errno == EAGAIN || errno == EWOULDBLOCK ) {
2708 p->nonblock = PR_TRUE; /* fd is using non-blocking io */
2709 } else if ( errno ) { /* real error */
2710 Debug( LDAP_DEBUG_TRACE,
2711 "TLS: error: tlsm_PR_Recv returned %d - error %d:%s\n",
2712 rc, errno, STRERROR(errno) );
2714 } else if ( ( rc > 0 ) && ( len > 0 ) && ( p->firsttag == LBER_DEFAULT ) ) {
2715 p->firsttag = (ber_tag_t)*((char *)buf);
2717 p->io_flag = TLSM_READ;
2722 static int PR_CALLBACK
2723 tlsm_PR_Send(PRFileDesc *fd, const void *buf, PRInt32 len, PRIntn flags,
2724 PRIntervalTime timeout)
2729 if ( buf == NULL || len <= 0 ) return 0;
2731 p = tlsm_get_pvt_tls_data( fd );
2733 if ( p == NULL || p->sbiod == NULL ) {
2737 rc = LBER_SBIOD_WRITE_NEXT( p->sbiod, (char *)buf, len );
2739 tlsm_map_error( errno );
2740 if ( errno == EAGAIN || errno == EWOULDBLOCK ) {
2741 p->nonblock = PR_TRUE;
2742 } else if ( errno ) { /* real error */
2743 Debug( LDAP_DEBUG_TRACE,
2744 "TLS: error: tlsm_PR_Send returned %d - error %d:%s\n",
2745 rc, errno, STRERROR(errno) );
2748 p->io_flag = TLSM_WRITE;
2753 static int PR_CALLBACK
2754 tlsm_PR_Read(PRFileDesc *fd, void *buf, PRInt32 len)
2756 return tlsm_PR_Recv( fd, buf, len, 0, PR_INTERVAL_NO_TIMEOUT );
2759 static int PR_CALLBACK
2760 tlsm_PR_Write(PRFileDesc *fd, const void *buf, PRInt32 len)
2762 return tlsm_PR_Send( fd, buf, len, 0, PR_INTERVAL_NO_TIMEOUT );
2765 static PRStatus PR_CALLBACK
2766 tlsm_PR_GetPeerName(PRFileDesc *fd, PRNetAddr *addr)
2771 p = tlsm_get_pvt_tls_data( fd );
2773 if ( p == NULL || p->sbiod == NULL ) {
2776 len = sizeof(PRNetAddr);
2777 return getpeername( p->sbiod->sbiod_sb->sb_fd, (struct sockaddr *)addr, &len );
2780 static PRStatus PR_CALLBACK
2781 tlsm_PR_GetSocketOption(PRFileDesc *fd, PRSocketOptionData *data)
2784 p = tlsm_get_pvt_tls_data( fd );
2786 if ( p == NULL || data == NULL ) {
2790 /* only the nonblocking option is supported at this time
2791 MozNSS SSL code needs it */
2792 if ( data->option != PR_SockOpt_Nonblocking ) {
2793 PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
2797 int flags = fcntl( p->sbiod->sbiod_sb->sb_fd, F_GETFL );
2798 data->value.non_blocking = (flags & O_NONBLOCK) ? PR_TRUE : PR_FALSE;
2800 data->value.non_blocking = p->nonblock;
2805 static PRStatus PR_CALLBACK
2808 PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
2812 static PRFileDesc * PR_CALLBACK
2815 PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
2819 static PRInt16 PR_CALLBACK
2822 PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
2826 static PRInt32 PR_CALLBACK
2829 PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
2833 static PRInt64 PR_CALLBACK
2838 PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
2843 static const PRIOMethods tlsm_PR_methods = {
2845 tlsm_PR_Close, /* close */
2846 tlsm_PR_Read, /* read */
2847 tlsm_PR_Write, /* write */
2848 tlsm_PR_i32_unimp, /* available */
2849 tlsm_PR_i64_unimp, /* available64 */
2850 tlsm_PR_prs_unimp, /* fsync */
2851 tlsm_PR_i32_unimp, /* seek */
2852 tlsm_PR_i64_unimp, /* seek64 */
2853 tlsm_PR_prs_unimp, /* fileInfo */
2854 tlsm_PR_prs_unimp, /* fileInfo64 */
2855 tlsm_PR_i32_unimp, /* writev */
2856 tlsm_PR_prs_unimp, /* connect */
2857 tlsm_PR_pfd_unimp, /* accept */
2858 tlsm_PR_prs_unimp, /* bind */
2859 tlsm_PR_prs_unimp, /* listen */
2860 (PRShutdownFN)tlsm_PR_Shutdown, /* shutdown */
2861 tlsm_PR_Recv, /* recv */
2862 tlsm_PR_Send, /* send */
2863 tlsm_PR_i32_unimp, /* recvfrom */
2864 tlsm_PR_i32_unimp, /* sendto */
2865 (PRPollFN)tlsm_PR_i16_unimp, /* poll */
2866 tlsm_PR_i32_unimp, /* acceptread */
2867 tlsm_PR_i32_unimp, /* transmitfile */
2868 tlsm_PR_prs_unimp, /* getsockname */
2869 tlsm_PR_GetPeerName, /* getpeername */
2870 tlsm_PR_i32_unimp, /* getsockopt OBSOLETE */
2871 tlsm_PR_i32_unimp, /* setsockopt OBSOLETE */
2872 tlsm_PR_GetSocketOption, /* getsocketoption */
2873 tlsm_PR_i32_unimp, /* setsocketoption */
2874 tlsm_PR_i32_unimp, /* Send a (partial) file with header/trailer*/
2875 (PRConnectcontinueFN)tlsm_PR_prs_unimp, /* connectcontinue */
2876 tlsm_PR_i32_unimp, /* reserved for future use */
2877 tlsm_PR_i32_unimp, /* reserved for future use */
2878 tlsm_PR_i32_unimp, /* reserved for future use */
2879 tlsm_PR_i32_unimp /* reserved for future use */
2883 * Initialize TLS subsystem. Should be called only once.
2884 * See tlsm_deferred_init for the bulk of the init process
2889 char *nofork = PR_GetEnv( "NSS_STRICT_NOFORK" );
2893 tlsm_layer_id = PR_GetUniqueIdentity( "OpenLDAP" );
2896 * There are some applications that acquire a crypto context in the parent process
2897 * and expect that crypto context to work after a fork(). This does not work
2898 * with NSS using strict PKCS11 compliance mode. We set this environment
2899 * variable here to tell the software encryption module/token to allow crypto
2900 * contexts to persist across a fork(). However, if you are using some other
2901 * module or encryption device that supports and expects full PKCS11 semantics,
2902 * the only recourse is to rewrite the application with atfork() handlers to save
2903 * the crypto context in the parent and restore (and SECMOD_RestartModules) the
2904 * context in the child.
2907 /* will leak one time */
2908 char *noforkenvvar = PL_strdup( "NSS_STRICT_NOFORK=DISABLED" );
2909 PR_SetEnv( noforkenvvar );
2916 tlsm_sb_setup( Sockbuf_IO_Desc *sbiod, void *arg )
2919 tlsm_session *session = arg;
2922 assert( sbiod != NULL );
2924 p = LBER_MALLOC( sizeof( *p ) );
2929 fd = PR_GetIdentitiesLayer( session, tlsm_layer_id );
2935 fd->secret = (PRFilePrivate *)p;
2936 p->session = session;
2938 p->firsttag = LBER_DEFAULT;
2939 sbiod->sbiod_pvt = p;
2944 tlsm_sb_remove( Sockbuf_IO_Desc *sbiod )
2948 assert( sbiod != NULL );
2949 assert( sbiod->sbiod_pvt != NULL );
2951 p = (struct tls_data *)sbiod->sbiod_pvt;
2952 PR_Close( p->session );
2953 LBER_FREE( sbiod->sbiod_pvt );
2954 sbiod->sbiod_pvt = NULL;
2959 tlsm_sb_close( Sockbuf_IO_Desc *sbiod )
2963 assert( sbiod != NULL );
2964 assert( sbiod->sbiod_pvt != NULL );
2966 p = (struct tls_data *)sbiod->sbiod_pvt;
2967 PR_Shutdown( p->session, PR_SHUTDOWN_BOTH );
2972 tlsm_sb_ctrl( Sockbuf_IO_Desc *sbiod, int opt, void *arg )
2976 assert( sbiod != NULL );
2977 assert( sbiod->sbiod_pvt != NULL );
2979 p = (struct tls_data *)sbiod->sbiod_pvt;
2981 if ( opt == LBER_SB_OPT_GET_SSL ) {
2982 *((tlsm_session **)arg) = p->session;
2985 } else if ( opt == LBER_SB_OPT_DATA_READY ) {
2986 if ( p && ( SSL_DataPending( p->session ) > 0 ) ) {
2992 return LBER_SBIOD_CTRL_NEXT( sbiod, opt, arg );
2996 tlsm_sb_read( Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
3002 assert( sbiod != NULL );
3003 assert( SOCKBUF_VALID( sbiod->sbiod_sb ) );
3005 p = (struct tls_data *)sbiod->sbiod_pvt;
3007 ret = PR_Recv( p->session, buf, len, 0, PR_INTERVAL_NO_TIMEOUT );
3009 err = PR_GetError();
3010 if ( err == PR_PENDING_INTERRUPT_ERROR || err == PR_WOULD_BLOCK_ERROR ) {
3011 sbiod->sbiod_sb->sb_trans_needs_read = 1;
3012 sock_errset(EWOULDBLOCK);
3015 sbiod->sbiod_sb->sb_trans_needs_read = 0;
3021 tlsm_sb_write( Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
3027 assert( sbiod != NULL );
3028 assert( SOCKBUF_VALID( sbiod->sbiod_sb ) );
3030 p = (struct tls_data *)sbiod->sbiod_pvt;
3032 ret = PR_Send( p->session, (char *)buf, len, 0, PR_INTERVAL_NO_TIMEOUT );
3034 err = PR_GetError();
3035 if ( err == PR_PENDING_INTERRUPT_ERROR || err == PR_WOULD_BLOCK_ERROR ) {
3036 sbiod->sbiod_sb->sb_trans_needs_write = 1;
3037 sock_errset(EWOULDBLOCK);
3041 sbiod->sbiod_sb->sb_trans_needs_write = 0;
3046 static Sockbuf_IO tlsm_sbio =
3048 tlsm_sb_setup, /* sbi_setup */
3049 tlsm_sb_remove, /* sbi_remove */
3050 tlsm_sb_ctrl, /* sbi_ctrl */
3051 tlsm_sb_read, /* sbi_read */
3052 tlsm_sb_write, /* sbi_write */
3053 tlsm_sb_close /* sbi_close */
3056 tls_impl ldap_int_tls_impl = {
3068 tlsm_session_connect,
3069 tlsm_session_accept,
3070 tlsm_session_upflags,
3071 tlsm_session_errmsg,
3073 tlsm_session_peer_dn,
3074 tlsm_session_chkhost,
3075 tlsm_session_strength,
3079 #ifdef LDAP_R_COMPILE
3088 #endif /* HAVE_MOZNSS */