| /* ssl/s3_both.c */ |
| /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| * All rights reserved. |
| * |
| * This package is an SSL implementation written |
| * by Eric Young (eay@cryptsoft.com). |
| * The implementation was written so as to conform with Netscapes SSL. |
| * |
| * This library is free for commercial and non-commercial use as long as |
| * the following conditions are aheared to. The following conditions |
| * apply to all code found in this distribution, be it the RC4, RSA, |
| * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| * included with this distribution is covered by the same copyright terms |
| * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| * |
| * Copyright remains Eric Young's, and as such any Copyright notices in |
| * the code are not to be removed. |
| * If this package is used in a product, Eric Young should be given attribution |
| * as the author of the parts of the library used. |
| * This can be in the form of a textual message at program startup or |
| * in documentation (online or textual) provided with the package. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * "This product includes cryptographic software written by |
| * Eric Young (eay@cryptsoft.com)" |
| * The word 'cryptographic' can be left out if the rouines from the library |
| * being used are not cryptographic related :-). |
| * 4. If you include any Windows specific code (or a derivative thereof) from |
| * the apps directory (application code) you must include an acknowledgement: |
| * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * The licence and distribution terms for any publically available version or |
| * derivative of this code cannot be changed. i.e. this code cannot simply be |
| * copied and put under another distribution licence |
| * [including the GNU Public Licence.] |
| */ |
| /* ==================================================================== |
| * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. All advertising materials mentioning features or use of this |
| * software must display the following acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
| * |
| * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| * endorse or promote products derived from this software without |
| * prior written permission. For written permission, please contact |
| * openssl-core@openssl.org. |
| * |
| * 5. Products derived from this software may not be called "OpenSSL" |
| * nor may "OpenSSL" appear in their names without prior written |
| * permission of the OpenSSL Project. |
| * |
| * 6. Redistributions of any form whatsoever must retain the following |
| * acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| * OF THE POSSIBILITY OF SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This product includes cryptographic software written by Eric Young |
| * (eay@cryptsoft.com). This product includes software written by Tim |
| * Hudson (tjh@cryptsoft.com). |
| * |
| */ |
| /* ==================================================================== |
| * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. |
| * ECC cipher suite support in OpenSSL originally developed by |
| * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. |
| */ |
| |
| #include <limits.h> |
| #include <string.h> |
| #include <stdio.h> |
| #include "ssl_locl.h" |
| #include <openssl/buffer.h> |
| #include <openssl/rand.h> |
| #include <openssl/objects.h> |
| #include <openssl/evp.h> |
| #include <openssl/x509.h> |
| |
| /* send s->init_buf in records of type 'type' (SSL3_RT_HANDSHAKE or SSL3_RT_CHANGE_CIPHER_SPEC) */ |
| int ssl3_do_write(SSL *s, int type) |
| { |
| int ret; |
| |
| ret=ssl3_write_bytes(s,type,&s->init_buf->data[s->init_off], |
| s->init_num); |
| if (ret < 0) return(-1); |
| if (type == SSL3_RT_HANDSHAKE) |
| /* should not be done for 'Hello Request's, but in that case |
| * we'll ignore the result anyway */ |
| ssl3_finish_mac(s,(unsigned char *)&s->init_buf->data[s->init_off],ret); |
| |
| if (ret == s->init_num) |
| { |
| if (s->msg_callback) |
| s->msg_callback(1, s->version, type, s->init_buf->data, (size_t)(s->init_off + s->init_num), s, s->msg_callback_arg); |
| return(1); |
| } |
| s->init_off+=ret; |
| s->init_num-=ret; |
| return(0); |
| } |
| |
| int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen) |
| { |
| unsigned char *p,*d; |
| int i; |
| unsigned long l; |
| |
| if (s->state == a) |
| { |
| d=(unsigned char *)s->init_buf->data; |
| p= &(d[4]); |
| |
| i=s->method->ssl3_enc->final_finish_mac(s, |
| &(s->s3->finish_dgst1), |
| &(s->s3->finish_dgst2), |
| sender,slen,s->s3->tmp.finish_md); |
| s->s3->tmp.finish_md_len = i; |
| memcpy(p, s->s3->tmp.finish_md, i); |
| p+=i; |
| l=i; |
| |
| /* Copy the finished so we can use it for |
| renegotiation checks */ |
| if(s->type == SSL_ST_CONNECT) |
| { |
| OPENSSL_assert(i <= EVP_MAX_MD_SIZE); |
| memcpy(s->s3->previous_client_finished, |
| s->s3->tmp.finish_md, i); |
| s->s3->previous_client_finished_len=i; |
| } |
| else |
| { |
| OPENSSL_assert(i <= EVP_MAX_MD_SIZE); |
| memcpy(s->s3->previous_server_finished, |
| s->s3->tmp.finish_md, i); |
| s->s3->previous_server_finished_len=i; |
| } |
| |
| #ifdef OPENSSL_SYS_WIN16 |
| /* MSVC 1.5 does not clear the top bytes of the word unless |
| * I do this. |
| */ |
| l&=0xffff; |
| #endif |
| |
| *(d++)=SSL3_MT_FINISHED; |
| l2n3(l,d); |
| s->init_num=(int)l+4; |
| s->init_off=0; |
| |
| s->state=b; |
| } |
| |
| /* SSL3_ST_SEND_xxxxxx_HELLO_B */ |
| return(ssl3_do_write(s,SSL3_RT_HANDSHAKE)); |
| } |
| |
| int ssl3_get_finished(SSL *s, int a, int b) |
| { |
| int al,i,ok; |
| long n; |
| unsigned char *p; |
| |
| /* the mac has already been generated when we received the |
| * change cipher spec message and is in s->s3->tmp.peer_finish_md |
| */ |
| |
| n=s->method->ssl_get_message(s, |
| a, |
| b, |
| SSL3_MT_FINISHED, |
| 64, /* should actually be 36+4 :-) */ |
| &ok); |
| |
| if (!ok) return((int)n); |
| |
| /* If this occurs, we have missed a message */ |
| if (!s->s3->change_cipher_spec) |
| { |
| al=SSL_AD_UNEXPECTED_MESSAGE; |
| SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_GOT_A_FIN_BEFORE_A_CCS); |
| goto f_err; |
| } |
| s->s3->change_cipher_spec=0; |
| |
| p = (unsigned char *)s->init_msg; |
| i = s->s3->tmp.peer_finish_md_len; |
| |
| if (i != n) |
| { |
| al=SSL_AD_DECODE_ERROR; |
| SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_BAD_DIGEST_LENGTH); |
| goto f_err; |
| } |
| |
| if (memcmp(p, s->s3->tmp.peer_finish_md, i) != 0) |
| { |
| al=SSL_AD_DECRYPT_ERROR; |
| SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_DIGEST_CHECK_FAILED); |
| goto f_err; |
| } |
| |
| /* Copy the finished so we can use it for |
| renegotiation checks */ |
| if(s->type == SSL_ST_ACCEPT) |
| { |
| OPENSSL_assert(i <= EVP_MAX_MD_SIZE); |
| memcpy(s->s3->previous_client_finished, |
| s->s3->tmp.peer_finish_md, i); |
| s->s3->previous_client_finished_len=i; |
| } |
| else |
| { |
| OPENSSL_assert(i <= EVP_MAX_MD_SIZE); |
| memcpy(s->s3->previous_server_finished, |
| s->s3->tmp.peer_finish_md, i); |
| s->s3->previous_server_finished_len=i; |
| } |
| |
| return(1); |
| f_err: |
| ssl3_send_alert(s,SSL3_AL_FATAL,al); |
| return(0); |
| } |
| |
| /* for these 2 messages, we need to |
| * ssl->enc_read_ctx re-init |
| * ssl->s3->read_sequence zero |
| * ssl->s3->read_mac_secret re-init |
| * ssl->session->read_sym_enc assign |
| * ssl->session->read_compression assign |
| * ssl->session->read_hash assign |
| */ |
| int ssl3_send_change_cipher_spec(SSL *s, int a, int b) |
| { |
| unsigned char *p; |
| |
| if (s->state == a) |
| { |
| p=(unsigned char *)s->init_buf->data; |
| *p=SSL3_MT_CCS; |
| s->init_num=1; |
| s->init_off=0; |
| |
| s->state=b; |
| } |
| |
| /* SSL3_ST_CW_CHANGE_B */ |
| return(ssl3_do_write(s,SSL3_RT_CHANGE_CIPHER_SPEC)); |
| } |
| |
| static int ssl3_add_cert_to_buf(BUF_MEM *buf, unsigned long *l, X509 *x) |
| { |
| int n; |
| unsigned char *p; |
| |
| n=i2d_X509(x,NULL); |
| if (!BUF_MEM_grow_clean(buf,(int)(n+(*l)+3))) |
| { |
| SSLerr(SSL_F_SSL3_ADD_CERT_TO_BUF,ERR_R_BUF_LIB); |
| return(-1); |
| } |
| p=(unsigned char *)&(buf->data[*l]); |
| l2n3(n,p); |
| i2d_X509(x,&p); |
| *l+=n+3; |
| |
| return(0); |
| } |
| |
| unsigned long ssl3_output_cert_chain(SSL *s, X509 *x) |
| { |
| unsigned char *p; |
| int i; |
| unsigned long l=7; |
| BUF_MEM *buf; |
| int no_chain; |
| |
| if ((s->mode & SSL_MODE_NO_AUTO_CHAIN) || s->ctx->extra_certs) |
| no_chain = 1; |
| else |
| no_chain = 0; |
| |
| /* TLSv1 sends a chain with nothing in it, instead of an alert */ |
| buf=s->init_buf; |
| if (!BUF_MEM_grow_clean(buf,10)) |
| { |
| SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB); |
| return(0); |
| } |
| if (x != NULL) |
| { |
| if (no_chain) |
| { |
| if (ssl3_add_cert_to_buf(buf, &l, x)) |
| return(0); |
| } |
| else |
| { |
| X509_STORE_CTX xs_ctx; |
| |
| if (!X509_STORE_CTX_init(&xs_ctx,s->ctx->cert_store,x,NULL)) |
| { |
| SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_X509_LIB); |
| return(0); |
| } |
| X509_verify_cert(&xs_ctx); |
| for (i=0; i < sk_X509_num(xs_ctx.chain); i++) |
| { |
| x = sk_X509_value(xs_ctx.chain, i); |
| |
| if (ssl3_add_cert_to_buf(buf, &l, x)) |
| { |
| X509_STORE_CTX_cleanup(&xs_ctx); |
| return 0; |
| } |
| } |
| X509_STORE_CTX_cleanup(&xs_ctx); |
| } |
| } |
| /* Thawte special :-) */ |
| for (i=0; i<sk_X509_num(s->ctx->extra_certs); i++) |
| { |
| x=sk_X509_value(s->ctx->extra_certs,i); |
| if (ssl3_add_cert_to_buf(buf, &l, x)) |
| return(0); |
| } |
| |
| l-=7; |
| p=(unsigned char *)&(buf->data[4]); |
| l2n3(l,p); |
| l+=3; |
| p=(unsigned char *)&(buf->data[0]); |
| *(p++)=SSL3_MT_CERTIFICATE; |
| l2n3(l,p); |
| l+=4; |
| return(l); |
| } |
| |
| /* Obtain handshake message of message type 'mt' (any if mt == -1), |
| * maximum acceptable body length 'max'. |
| * The first four bytes (msg_type and length) are read in state 'st1', |
| * the body is read in state 'stn'. |
| */ |
| long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok) |
| { |
| unsigned char *p; |
| unsigned long l; |
| long n; |
| int i,al; |
| |
| if (s->s3->tmp.reuse_message) |
| { |
| s->s3->tmp.reuse_message=0; |
| if ((mt >= 0) && (s->s3->tmp.message_type != mt)) |
| { |
| al=SSL_AD_UNEXPECTED_MESSAGE; |
| SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE); |
| goto f_err; |
| } |
| *ok=1; |
| s->init_msg = s->init_buf->data + 4; |
| s->init_num = (int)s->s3->tmp.message_size; |
| return s->init_num; |
| } |
| |
| p=(unsigned char *)s->init_buf->data; |
| |
| if (s->state == st1) /* s->init_num < 4 */ |
| { |
| int skip_message; |
| |
| do |
| { |
| while (s->init_num < 4) |
| { |
| i=s->method->ssl_read_bytes(s,SSL3_RT_HANDSHAKE, |
| &p[s->init_num],4 - s->init_num, 0); |
| if (i <= 0) |
| { |
| s->rwstate=SSL_READING; |
| *ok = 0; |
| return i; |
| } |
| s->init_num+=i; |
| } |
| |
| skip_message = 0; |
| if (!s->server) |
| if (p[0] == SSL3_MT_HELLO_REQUEST) |
| /* The server may always send 'Hello Request' messages -- |
| * we are doing a handshake anyway now, so ignore them |
| * if their format is correct. Does not count for |
| * 'Finished' MAC. */ |
| if (p[1] == 0 && p[2] == 0 &&p[3] == 0) |
| { |
| s->init_num = 0; |
| skip_message = 1; |
| |
| if (s->msg_callback) |
| s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, p, 4, s, s->msg_callback_arg); |
| } |
| } |
| while (skip_message); |
| |
| /* s->init_num == 4 */ |
| |
| if ((mt >= 0) && (*p != mt)) |
| { |
| al=SSL_AD_UNEXPECTED_MESSAGE; |
| SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE); |
| goto f_err; |
| } |
| if ((mt < 0) && (*p == SSL3_MT_CLIENT_HELLO) && |
| (st1 == SSL3_ST_SR_CERT_A) && |
| (stn == SSL3_ST_SR_CERT_B)) |
| { |
| /* At this point we have got an MS SGC second client |
| * hello (maybe we should always allow the client to |
| * start a new handshake?). We need to restart the mac. |
| * Don't increment {num,total}_renegotiations because |
| * we have not completed the handshake. */ |
| ssl3_init_finished_mac(s); |
| } |
| |
| s->s3->tmp.message_type= *(p++); |
| |
| n2l3(p,l); |
| if (l > (unsigned long)max) |
| { |
| al=SSL_AD_ILLEGAL_PARAMETER; |
| SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_EXCESSIVE_MESSAGE_SIZE); |
| goto f_err; |
| } |
| if (l > (INT_MAX-4)) /* BUF_MEM_grow takes an 'int' parameter */ |
| { |
| al=SSL_AD_ILLEGAL_PARAMETER; |
| SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_EXCESSIVE_MESSAGE_SIZE); |
| goto f_err; |
| } |
| if (l && !BUF_MEM_grow_clean(s->init_buf,(int)l+4)) |
| { |
| SSLerr(SSL_F_SSL3_GET_MESSAGE,ERR_R_BUF_LIB); |
| goto err; |
| } |
| s->s3->tmp.message_size=l; |
| s->state=stn; |
| |
| s->init_msg = s->init_buf->data + 4; |
| s->init_num = 0; |
| } |
| |
| /* next state (stn) */ |
| p = s->init_msg; |
| n = s->s3->tmp.message_size - s->init_num; |
| while (n > 0) |
| { |
| i=s->method->ssl_read_bytes(s,SSL3_RT_HANDSHAKE,&p[s->init_num],n,0); |
| if (i <= 0) |
| { |
| s->rwstate=SSL_READING; |
| *ok = 0; |
| return i; |
| } |
| s->init_num += i; |
| n -= i; |
| } |
| ssl3_finish_mac(s, (unsigned char *)s->init_buf->data, s->init_num + 4); |
| if (s->msg_callback) |
| s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, s->init_buf->data, (size_t)s->init_num + 4, s, s->msg_callback_arg); |
| *ok=1; |
| return s->init_num; |
| f_err: |
| ssl3_send_alert(s,SSL3_AL_FATAL,al); |
| err: |
| *ok=0; |
| return(-1); |
| } |
| |
| int ssl_cert_type(X509 *x, EVP_PKEY *pkey) |
| { |
| EVP_PKEY *pk; |
| int ret= -1,i; |
| |
| if (pkey == NULL) |
| pk=X509_get_pubkey(x); |
| else |
| pk=pkey; |
| if (pk == NULL) goto err; |
| |
| i=pk->type; |
| if (i == EVP_PKEY_RSA) |
| { |
| ret=SSL_PKEY_RSA_ENC; |
| } |
| else if (i == EVP_PKEY_DSA) |
| { |
| ret=SSL_PKEY_DSA_SIGN; |
| } |
| #ifndef OPENSSL_NO_EC |
| else if (i == EVP_PKEY_EC) |
| { |
| ret = SSL_PKEY_ECC; |
| } |
| #endif |
| |
| err: |
| if(!pkey) EVP_PKEY_free(pk); |
| return(ret); |
| } |
| |
| int ssl_verify_alarm_type(long type) |
| { |
| int al; |
| |
| switch(type) |
| { |
| case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT: |
| case X509_V_ERR_UNABLE_TO_GET_CRL: |
| case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER: |
| al=SSL_AD_UNKNOWN_CA; |
| break; |
| case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE: |
| case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE: |
| case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY: |
| case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD: |
| case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD: |
| case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD: |
| case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD: |
| case X509_V_ERR_CERT_NOT_YET_VALID: |
| case X509_V_ERR_CRL_NOT_YET_VALID: |
| case X509_V_ERR_CERT_UNTRUSTED: |
| case X509_V_ERR_CERT_REJECTED: |
| al=SSL_AD_BAD_CERTIFICATE; |
| break; |
| case X509_V_ERR_CERT_SIGNATURE_FAILURE: |
| case X509_V_ERR_CRL_SIGNATURE_FAILURE: |
| al=SSL_AD_DECRYPT_ERROR; |
| break; |
| case X509_V_ERR_CERT_HAS_EXPIRED: |
| case X509_V_ERR_CRL_HAS_EXPIRED: |
| al=SSL_AD_CERTIFICATE_EXPIRED; |
| break; |
| case X509_V_ERR_CERT_REVOKED: |
| al=SSL_AD_CERTIFICATE_REVOKED; |
| break; |
| case X509_V_ERR_OUT_OF_MEM: |
| al=SSL_AD_INTERNAL_ERROR; |
| break; |
| case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT: |
| case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN: |
| case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY: |
| case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE: |
| case X509_V_ERR_CERT_CHAIN_TOO_LONG: |
| case X509_V_ERR_PATH_LENGTH_EXCEEDED: |
| case X509_V_ERR_INVALID_CA: |
| al=SSL_AD_UNKNOWN_CA; |
| break; |
| case X509_V_ERR_APPLICATION_VERIFICATION: |
| al=SSL_AD_HANDSHAKE_FAILURE; |
| break; |
| case X509_V_ERR_INVALID_PURPOSE: |
| al=SSL_AD_UNSUPPORTED_CERTIFICATE; |
| break; |
| default: |
| al=SSL_AD_CERTIFICATE_UNKNOWN; |
| break; |
| } |
| return(al); |
| } |
| |
| int ssl3_setup_buffers(SSL *s) |
| { |
| unsigned char *p; |
| unsigned int extra,headerlen; |
| size_t len; |
| |
| if (SSL_version(s) == DTLS1_VERSION || SSL_version(s) == DTLS1_BAD_VER) |
| headerlen = DTLS1_RT_HEADER_LENGTH + 256; /* extra space for empty fragment */ |
| else |
| headerlen = SSL3_RT_DEFAULT_WRITE_OVERHEAD; |
| |
| if (s->s3->rbuf.buf == NULL) |
| { |
| if (SSL_get_mode(s) & SSL_MODE_SMALL_BUFFERS) |
| { |
| len = SSL3_RT_DEFAULT_PACKET_SIZE; |
| } |
| else |
| { |
| if (s->options & SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER) |
| extra=SSL3_RT_MAX_EXTRA; |
| else |
| extra=0; |
| len = SSL3_RT_MAX_PACKET_SIZE + extra; |
| } |
| if ((p=OPENSSL_malloc(len)) == NULL) |
| goto err; |
| s->s3->rbuf.buf = p; |
| s->s3->rbuf.len = len; |
| } |
| |
| if (s->s3->wbuf.buf == NULL) |
| { |
| if (SSL_get_mode(s) & SSL_MODE_SMALL_BUFFERS) |
| { |
| len = SSL3_RT_DEFAULT_PACKET_SIZE; |
| } |
| else |
| { |
| len = SSL3_RT_MAX_PACKET_SIZE; |
| } |
| len += headerlen; |
| if ((p=OPENSSL_malloc(len)) == NULL) |
| goto err; |
| s->s3->wbuf.buf = p; |
| s->s3->wbuf.len = len; |
| } |
| s->packet= &(s->s3->rbuf.buf[0]); |
| return(1); |
| err: |
| SSLerr(SSL_F_SSL3_SETUP_BUFFERS,ERR_R_MALLOC_FAILURE); |
| return(0); |
| } |