diff options
Diffstat (limited to 'thirdparty/openssl/ssl/s2_pkt.c')
| -rw-r--r-- | thirdparty/openssl/ssl/s2_pkt.c | 725 |
1 files changed, 725 insertions, 0 deletions
diff --git a/thirdparty/openssl/ssl/s2_pkt.c b/thirdparty/openssl/ssl/s2_pkt.c new file mode 100644 index 0000000000..7a61888134 --- /dev/null +++ b/thirdparty/openssl/ssl/s2_pkt.c @@ -0,0 +1,725 @@ +/* ssl/s2_pkt.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) 1998-2001 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). + * + */ + +#include "ssl_locl.h" +#ifndef OPENSSL_NO_SSL2 +# include <stdio.h> +# include <errno.h> +# define USE_SOCKETS + +static int read_n(SSL *s, unsigned int n, unsigned int max, + unsigned int extend); +static int n_do_ssl_write(SSL *s, const unsigned char *buf, unsigned int len); +static int write_pending(SSL *s, const unsigned char *buf, unsigned int len); +static int ssl_mt_error(int n); + +/* + * SSL 2.0 imlementation for SSL_read/SSL_peek - This routine will return 0 + * to len bytes, decrypted etc if required. + */ +static int ssl2_read_internal(SSL *s, void *buf, int len, int peek) +{ + int n; + unsigned char mac[MAX_MAC_SIZE]; + unsigned char *p; + int i; + int mac_size; + + ssl2_read_again: + if (SSL_in_init(s) && !s->in_handshake) { + n = s->handshake_func(s); + if (n < 0) + return (n); + if (n == 0) { + SSLerr(SSL_F_SSL2_READ_INTERNAL, SSL_R_SSL_HANDSHAKE_FAILURE); + return (-1); + } + } + + clear_sys_error(); + s->rwstate = SSL_NOTHING; + if (len <= 0) + return (len); + + if (s->s2->ract_data_length != 0) { /* read from buffer */ + if (len > s->s2->ract_data_length) + n = s->s2->ract_data_length; + else + n = len; + + memcpy(buf, s->s2->ract_data, (unsigned int)n); + if (!peek) { + s->s2->ract_data_length -= n; + s->s2->ract_data += n; + if (s->s2->ract_data_length == 0) + s->rstate = SSL_ST_READ_HEADER; + } + + return (n); + } + + /* + * s->s2->ract_data_length == 0 Fill the buffer, then goto + * ssl2_read_again. + */ + + if (s->rstate == SSL_ST_READ_HEADER) { + if (s->first_packet) { + n = read_n(s, 5, SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER + 2, 0); + if (n <= 0) + return (n); /* error or non-blocking */ + s->first_packet = 0; + p = s->packet; + if (!((p[0] & 0x80) && ((p[2] == SSL2_MT_CLIENT_HELLO) || + (p[2] == SSL2_MT_SERVER_HELLO)))) { + SSLerr(SSL_F_SSL2_READ_INTERNAL, + SSL_R_NON_SSLV2_INITIAL_PACKET); + return (-1); + } + } else { + n = read_n(s, 2, SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER + 2, 0); + if (n <= 0) + return (n); /* error or non-blocking */ + } + /* part read stuff */ + + s->rstate = SSL_ST_READ_BODY; + p = s->packet; + /* Do header */ + /* + * s->s2->padding=0; + */ + s->s2->escape = 0; + s->s2->rlength = (((unsigned int)p[0]) << 8) | ((unsigned int)p[1]); + if ((p[0] & TWO_BYTE_BIT)) { /* Two byte header? */ + s->s2->three_byte_header = 0; + s->s2->rlength &= TWO_BYTE_MASK; + } else { + s->s2->three_byte_header = 1; + s->s2->rlength &= THREE_BYTE_MASK; + + /* security >s2->escape */ + s->s2->escape = ((p[0] & SEC_ESC_BIT)) ? 1 : 0; + } + } + + if (s->rstate == SSL_ST_READ_BODY) { + n = s->s2->rlength + 2 + s->s2->three_byte_header; + if (n > (int)s->packet_length) { + n -= s->packet_length; + i = read_n(s, (unsigned int)n, (unsigned int)n, 1); + if (i <= 0) + return (i); /* ERROR */ + } + + p = &(s->packet[2]); + s->rstate = SSL_ST_READ_HEADER; + if (s->s2->three_byte_header) + s->s2->padding = *(p++); + else + s->s2->padding = 0; + + /* Data portion */ + if (s->s2->clear_text) { + mac_size = 0; + s->s2->mac_data = p; + s->s2->ract_data = p; + if (s->s2->padding) { + SSLerr(SSL_F_SSL2_READ_INTERNAL, SSL_R_ILLEGAL_PADDING); + return (-1); + } + } else { + mac_size = EVP_MD_CTX_size(s->read_hash); + if (mac_size < 0) + return -1; + OPENSSL_assert(mac_size <= MAX_MAC_SIZE); + s->s2->mac_data = p; + s->s2->ract_data = &p[mac_size]; + if (s->s2->padding + mac_size > s->s2->rlength) { + SSLerr(SSL_F_SSL2_READ_INTERNAL, SSL_R_ILLEGAL_PADDING); + return (-1); + } + } + + s->s2->ract_data_length = s->s2->rlength; + /* + * added a check for length > max_size in case encryption was not + * turned on yet due to an error + */ + if ((!s->s2->clear_text) && + (s->s2->rlength >= (unsigned int)mac_size)) { + if (!ssl2_enc(s, 0)) { + SSLerr(SSL_F_SSL2_READ_INTERNAL, SSL_R_DECRYPTION_FAILED); + return (-1); + } + s->s2->ract_data_length -= mac_size; + ssl2_mac(s, mac, 0); + s->s2->ract_data_length -= s->s2->padding; + if ((CRYPTO_memcmp(mac, s->s2->mac_data, mac_size) != 0) || + (s->s2->rlength % + EVP_CIPHER_CTX_block_size(s->enc_read_ctx) != 0)) { + SSLerr(SSL_F_SSL2_READ_INTERNAL, SSL_R_BAD_MAC_DECODE); + return (-1); + } + } + INC32(s->s2->read_sequence); /* expect next number */ + /* s->s2->ract_data is now available for processing */ + + /* + * Possibly the packet that we just read had 0 actual data bytes. + * (SSLeay/OpenSSL itself never sends such packets; see ssl2_write.) + * In this case, returning 0 would be interpreted by the caller as + * indicating EOF, so it's not a good idea. Instead, we just + * continue reading; thus ssl2_read_internal may have to process + * multiple packets before it can return. [Note that using select() + * for blocking sockets *never* guarantees that the next SSL_read + * will not block -- the available data may contain incomplete + * packets, and except for SSL 2, renegotiation can confuse things + * even more.] + */ + + goto ssl2_read_again; /* This should really be "return + * ssl2_read(s,buf,len)", but that would + * allow for denial-of-service attacks if a C + * compiler is used that does not recognize + * end-recursion. */ + } else { + SSLerr(SSL_F_SSL2_READ_INTERNAL, SSL_R_BAD_STATE); + return (-1); + } +} + +int ssl2_read(SSL *s, void *buf, int len) +{ + return ssl2_read_internal(s, buf, len, 0); +} + +int ssl2_peek(SSL *s, void *buf, int len) +{ + return ssl2_read_internal(s, buf, len, 1); +} + +static int read_n(SSL *s, unsigned int n, unsigned int max, + unsigned int extend) +{ + int i, off, newb; + + /* + * if there is stuff still in the buffer from a previous read, and there + * is more than we want, take some. + */ + if (s->s2->rbuf_left >= (int)n) { + if (extend) + s->packet_length += n; + else { + s->packet = &(s->s2->rbuf[s->s2->rbuf_offs]); + s->packet_length = n; + } + s->s2->rbuf_left -= n; + s->s2->rbuf_offs += n; + return (n); + } + + if (!s->read_ahead) + max = n; + if (max > (unsigned int)(SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER + 2)) + max = SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER + 2; + + /* + * Else we want more than we have. First, if there is some left or we + * want to extend + */ + off = 0; + if ((s->s2->rbuf_left != 0) || ((s->packet_length != 0) && extend)) { + newb = s->s2->rbuf_left; + if (extend) { + off = s->packet_length; + if (s->packet != s->s2->rbuf) + memcpy(s->s2->rbuf, s->packet, (unsigned int)newb + off); + } else if (s->s2->rbuf_offs != 0) { + memcpy(s->s2->rbuf, &(s->s2->rbuf[s->s2->rbuf_offs]), + (unsigned int)newb); + s->s2->rbuf_offs = 0; + } + s->s2->rbuf_left = 0; + } else + newb = 0; + + /* + * off is the offset to start writing too. r->s2->rbuf_offs is the + * 'unread data', now 0. newb is the number of new bytes so far + */ + s->packet = s->s2->rbuf; + while (newb < (int)n) { + clear_sys_error(); + if (s->rbio != NULL) { + s->rwstate = SSL_READING; + i = BIO_read(s->rbio, (char *)&(s->s2->rbuf[off + newb]), + max - newb); + } else { + SSLerr(SSL_F_READ_N, SSL_R_READ_BIO_NOT_SET); + i = -1; + } +# ifdef PKT_DEBUG + if (s->debug & 0x01) + sleep(1); +# endif + if (i <= 0) { + s->s2->rbuf_left += newb; + return (i); + } + newb += i; + } + + /* record unread data */ + if (newb > (int)n) { + s->s2->rbuf_offs = n + off; + s->s2->rbuf_left = newb - n; + } else { + s->s2->rbuf_offs = 0; + s->s2->rbuf_left = 0; + } + if (extend) + s->packet_length += n; + else + s->packet_length = n; + s->rwstate = SSL_NOTHING; + return (n); +} + +int ssl2_write(SSL *s, const void *_buf, int len) +{ + const unsigned char *buf = _buf; + unsigned int n, tot; + int i; + + if (SSL_in_init(s) && !s->in_handshake) { + i = s->handshake_func(s); + if (i < 0) + return (i); + if (i == 0) { + SSLerr(SSL_F_SSL2_WRITE, SSL_R_SSL_HANDSHAKE_FAILURE); + return (-1); + } + } + + if (s->error) { + ssl2_write_error(s); + if (s->error) + return (-1); + } + + clear_sys_error(); + s->rwstate = SSL_NOTHING; + if (len <= 0) + return (len); + + tot = s->s2->wnum; + s->s2->wnum = 0; + + n = (len - tot); + for (;;) { + i = n_do_ssl_write(s, &(buf[tot]), n); + if (i <= 0) { + s->s2->wnum = tot; + return (i); + } + if ((i == (int)n) || (s->mode & SSL_MODE_ENABLE_PARTIAL_WRITE)) { + return (tot + i); + } + + n -= i; + tot += i; + } +} + +static int write_pending(SSL *s, const unsigned char *buf, unsigned int len) +{ + int i; + + /* s->s2->wpend_len != 0 MUST be true. */ + + /* + * check that they have given us the same buffer to write + */ + if ((s->s2->wpend_tot > (int)len) || + ((s->s2->wpend_buf != buf) && + !(s->mode & SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER))) { + SSLerr(SSL_F_WRITE_PENDING, SSL_R_BAD_WRITE_RETRY); + return (-1); + } + + for (;;) { + clear_sys_error(); + if (s->wbio != NULL) { + s->rwstate = SSL_WRITING; + i = BIO_write(s->wbio, + (char *)&(s->s2->write_ptr[s->s2->wpend_off]), + (unsigned int)s->s2->wpend_len); + } else { + SSLerr(SSL_F_WRITE_PENDING, SSL_R_WRITE_BIO_NOT_SET); + i = -1; + } +# ifdef PKT_DEBUG + if (s->debug & 0x01) + sleep(1); +# endif + if (i == s->s2->wpend_len) { + s->s2->wpend_len = 0; + s->rwstate = SSL_NOTHING; + return (s->s2->wpend_ret); + } else if (i <= 0) + return (i); + s->s2->wpend_off += i; + s->s2->wpend_len -= i; + } +} + +static int n_do_ssl_write(SSL *s, const unsigned char *buf, unsigned int len) +{ + unsigned int j, k, olen, p, bs; + int mac_size; + register unsigned char *pp; + + olen = len; + + /* + * first check if there is data from an encryption waiting to be sent - + * it must be sent because the other end is waiting. This will happen + * with non-blocking IO. We print it and then return. + */ + if (s->s2->wpend_len != 0) + return (write_pending(s, buf, len)); + + /* set mac_size to mac size */ + if (s->s2->clear_text) + mac_size = 0; + else { + mac_size = EVP_MD_CTX_size(s->write_hash); + if (mac_size < 0) + return -1; + } + + /* lets set the pad p */ + if (s->s2->clear_text) { + if (len > SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER) + len = SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER; + p = 0; + s->s2->three_byte_header = 0; + /* len=len; */ + } else { + bs = EVP_CIPHER_CTX_block_size(s->enc_read_ctx); + j = len + mac_size; + /* + * Two-byte headers allow for a larger record length than three-byte + * headers, but we can't use them if we need padding or if we have to + * set the escape bit. + */ + if ((j > SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER) && (!s->s2->escape)) { + if (j > SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER) + j = SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER; + /* + * set k to the max number of bytes with 2 byte header + */ + k = j - (j % bs); + /* how many data bytes? */ + len = k - mac_size; + s->s2->three_byte_header = 0; + p = 0; + } else if ((bs <= 1) && (!s->s2->escape)) { + /*- + * j <= SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER, thus + * j < SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER + */ + s->s2->three_byte_header = 0; + p = 0; + } else { /* we may have to use a 3 byte header */ + + /*- + * If s->s2->escape is not set, then + * j <= SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER, and thus + * j < SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER. + */ + p = (j % bs); + p = (p == 0) ? 0 : (bs - p); + if (s->s2->escape) { + s->s2->three_byte_header = 1; + if (j > SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER) + j = SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER; + } else + s->s2->three_byte_header = (p == 0) ? 0 : 1; + } + } + + /*- + * Now + * j <= SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER + * holds, and if s->s2->three_byte_header is set, then even + * j <= SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER. + */ + + /* + * mac_size is the number of MAC bytes len is the number of data bytes we + * are going to send p is the number of padding bytes (if it is a + * two-byte header, then p == 0) + */ + + s->s2->wlength = len; + s->s2->padding = p; + s->s2->mac_data = &(s->s2->wbuf[3]); + s->s2->wact_data = &(s->s2->wbuf[3 + mac_size]); + + /* + * It would be clearer to write this as follows: + * if (mac_size + len + p > SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER) + * However |len| is user input that could in theory be very large. We + * know |mac_size| and |p| are small, so to avoid any possibility of + * overflow we write it like this. + * + * In theory this should never fail because the logic above should have + * modified |len| if it is too big. But we are being cautious. + */ + if (len > (SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER - (mac_size + p))) { + return -1; + } + /* we copy the data into s->s2->wbuf */ + memcpy(s->s2->wact_data, buf, len); + if (p) + memset(&(s->s2->wact_data[len]), 0, p); /* arbitrary padding */ + + if (!s->s2->clear_text) { + s->s2->wact_data_length = len + p; + ssl2_mac(s, s->s2->mac_data, 1); + s->s2->wlength += p + mac_size; + if (ssl2_enc(s, 1) < 1) + return -1; + } + + /* package up the header */ + s->s2->wpend_len = s->s2->wlength; + if (s->s2->three_byte_header) { /* 3 byte header */ + pp = s->s2->mac_data; + pp -= 3; + pp[0] = (s->s2->wlength >> 8) & (THREE_BYTE_MASK >> 8); + if (s->s2->escape) + pp[0] |= SEC_ESC_BIT; + pp[1] = s->s2->wlength & 0xff; + pp[2] = s->s2->padding; + s->s2->wpend_len += 3; + } else { + pp = s->s2->mac_data; + pp -= 2; + pp[0] = ((s->s2->wlength >> 8) & (TWO_BYTE_MASK >> 8)) | TWO_BYTE_BIT; + pp[1] = s->s2->wlength & 0xff; + s->s2->wpend_len += 2; + } + s->s2->write_ptr = pp; + + INC32(s->s2->write_sequence); /* expect next number */ + + /* lets try to actually write the data */ + s->s2->wpend_tot = olen; + s->s2->wpend_buf = buf; + + s->s2->wpend_ret = len; + + s->s2->wpend_off = 0; + return (write_pending(s, buf, olen)); +} + +int ssl2_part_read(SSL *s, unsigned long f, int i) +{ + unsigned char *p; + int j; + + if (i < 0) { + /* ssl2_return_error(s); */ + /* + * for non-blocking io, this is not necessarily fatal + */ + return (i); + } else { + s->init_num += i; + + /* + * Check for error. While there are recoverable errors, this + * function is not called when those must be expected; any error + * detected here is fatal. + */ + if (s->init_num >= 3) { + p = (unsigned char *)s->init_buf->data; + if (p[0] == SSL2_MT_ERROR) { + j = (p[1] << 8) | p[2]; + SSLerr((int)f, ssl_mt_error(j)); + s->init_num -= 3; + if (s->init_num > 0) + memmove(p, p + 3, s->init_num); + } + } + + /* + * If it's not an error message, we have some error anyway -- the + * message was shorter than expected. This too is treated as fatal + * (at least if SSL_get_error is asked for its opinion). + */ + return (0); + } +} + +int ssl2_do_write(SSL *s) +{ + int ret; + + ret = ssl2_write(s, &s->init_buf->data[s->init_off], s->init_num); + if (ret == s->init_num) { + if (s->msg_callback) + s->msg_callback(1, s->version, 0, s->init_buf->data, + (size_t)(s->init_off + s->init_num), s, + s->msg_callback_arg); + return (1); + } + if (ret < 0) + return (-1); + s->init_off += ret; + s->init_num -= ret; + return (0); +} + +static int ssl_mt_error(int n) +{ + int ret; + + switch (n) { + case SSL2_PE_NO_CIPHER: + ret = SSL_R_PEER_ERROR_NO_CIPHER; + break; + case SSL2_PE_NO_CERTIFICATE: + ret = SSL_R_PEER_ERROR_NO_CERTIFICATE; + break; + case SSL2_PE_BAD_CERTIFICATE: + ret = SSL_R_PEER_ERROR_CERTIFICATE; + break; + case SSL2_PE_UNSUPPORTED_CERTIFICATE_TYPE: + ret = SSL_R_PEER_ERROR_UNSUPPORTED_CERTIFICATE_TYPE; + break; + default: + ret = SSL_R_UNKNOWN_REMOTE_ERROR_TYPE; + break; + } + return (ret); +} +#else /* !OPENSSL_NO_SSL2 */ + +# if PEDANTIC +static void *dummy = &dummy; +# endif + +#endif |