/* ssl/t1_enc.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). * */ #include #include "ssl_locl.h" #include #include #include #include static void tls1_P_hash(const EVP_MD *md, const unsigned char *sec, int sec_len, unsigned char *seed, int seed_len, unsigned char *out, int olen) { int chunk,n; unsigned int j; HMAC_CTX ctx; HMAC_CTX ctx_tmp; 
/* crypto/uid.c */
/* ====================================================================
 * Copyright (c) 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
 *    licensing@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 <openssl/crypto.h>
#include <openssl/opensslconf.h>

#if defined(__OpenBSD__) || (defined(__FreeBSD__) && __FreeBSD__ > 2)

#include OPENSSL_UNISTD

int OPENSSL_issetugid(void)
	{
	return issetugid();
	}

#elif defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE)

int OPENSSL_issetugid(void)
	{
	return 0;
	}

#else

#include OPENSSL_UNISTD
#include <sys/types.h>

int OPENSSL_issetugid(void)
	{
	if (getuid() != geteuid()) return 1;
	if (getgid() != getegid()) return 1;
	return 0;
	}
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-06 21:26:38 +0000
f /* KSSL_DEBUG */ if (!send) { if (l == 0 || l%bs != 0) { SSLerr(SSL_F_TLS1_ENC,SSL_R_BLOCK_CIPHER_PAD_IS_WRONG); ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECRYPTION_FAILED); return 0; } } EVP_Cipher(ds,rec->data,rec->input,l); #ifdef KSSL_DEBUG { unsigned long i; printf("\trec->data="); for (i=0; idata[i]); printf("\n"); } #endif /* KSSL_DEBUG */ if ((bs != 1) && !send) { ii=i=rec->data[l-1]; /* padding_length */ i++; if (s->options&SSL_OP_TLS_BLOCK_PADDING_BUG) { /* First packet is even in size, so check */ if ((memcmp(s->s3->read_sequence, "\0\0\0\0\0\0\0\0",8) == 0) && !(ii & 1)) s->s3->flags|=TLS1_FLAGS_TLS_PADDING_BUG; if (s->s3->flags & TLS1_FLAGS_TLS_PADDING_BUG) i--; } /* TLS 1.0 does not bound the number of padding bytes by the block size. * All of them must have value 'padding_length'. */ if (i > (int)rec->length) { /* Incorrect padding. SSLerr() and ssl3_alert are done * by caller: we don't want to reveal whether this is * a decryption error or a MAC verification failure * (see http://www.openssl.org/~bodo/tls-cbc.txt) */ return -1; } for (j=(int)(l-i); j<(int)l; j++) { if (rec->data[j] != ii) { /* Incorrect padding */ return -1; } } rec->length-=i; } } return(1); } int tls1_cert_verify_mac(SSL *s, EVP_MD_CTX *in_ctx, unsigned char *out) { unsigned int ret; EVP_MD_CTX ctx; EVP_MD_CTX_init(&ctx); EVP_MD_CTX_copy_ex(&ctx,in_ctx); EVP_DigestFinal_ex(&ctx,out,&ret); EVP_MD_CTX_cleanup(&ctx); return((int)ret); } int tls1_final_finish_mac(SSL *s, EVP_MD_CTX *in1_ctx, EVP_MD_CTX *in2_ctx, const char *str, int slen, unsigned char *out) { unsigned int i; EVP_MD_CTX ctx; unsigned char buf[TLS_MD_MAX_CONST_SIZE+MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH]; unsigned char *q,buf2[12]; q=buf; memcpy(q,str,slen); q+=slen; EVP_MD_CTX_init(&ctx); EVP_MD_CTX_copy_ex(&ctx,in1_ctx); EVP_DigestFinal_ex(&ctx,q,&i); q+=i; EVP_MD_CTX_copy_ex(&ctx,in2_ctx); EVP_DigestFinal_ex(&ctx,q,&i); q+=i; tls1_PRF(s->ctx->md5,s->ctx->sha1,buf,(int)(q-buf), s->session->master_key,s->session->master_key_length, out,buf2,sizeof buf2); EVP_MD_CTX_cleanup(&ctx); return sizeof buf2; } int tls1_mac(SSL *ssl, unsigned char *md, int send) { SSL3_RECORD *rec; unsigned char *mac_sec,*seq; const EVP_MD *hash; unsigned int md_size; int i; HMAC_CTX hmac; unsigned char buf[5]; if (send) { rec= &(ssl->s3->wrec); mac_sec= &(ssl->s3->write_mac_secret[0]); seq= &(ssl->s3->write_sequence[0]); hash=ssl->write_hash; } else { rec= &(ssl->s3->rrec); mac_sec= &(ssl->s3->read_mac_secret[0]); seq= &(ssl->s3->read_sequence[0]); hash=ssl->read_hash; } md_size=EVP_MD_size(hash); buf[0]=rec->type; buf[1]=TLS1_VERSION_MAJOR; buf[2]=TLS1_VERSION_MINOR; buf[3]=rec->length>>8; buf[4]=rec->length&0xff; /* I should fix this up TLS TLS TLS TLS TLS XXXXXXXX */ HMAC_CTX_init(&hmac); HMAC_Init_ex(&hmac,mac_sec,EVP_MD_size(hash),hash,NULL); HMAC_Update(&hmac,seq,8); HMAC_Update(&hmac,buf,5); HMAC_Update(&hmac,rec->input,rec->length); HMAC_Final(&hmac,md,&md_size); HMAC_CTX_cleanup(&hmac); #ifdef TLS_DEBUG printf("sec="); {unsigned int z; for (z=0; z=0; i--) { ++seq[i]; if (seq[i] != 0) break; } } #ifdef TLS_DEBUG {unsigned int z; for (z=0; zs3->client_random,SSL3_RANDOM_SIZE); memcpy(&(buf[SSL3_RANDOM_SIZE+TLS_MD_MASTER_SECRET_CONST_SIZE]), s->s3->server_random,SSL3_RANDOM_SIZE); tls1_PRF(s->ctx->md5,s->ctx->sha1, buf,TLS_MD_MASTER_SECRET_CONST_SIZE+SSL3_RANDOM_SIZE*2,p,len, s->session->master_key,buff,sizeof buff); #ifdef KSSL_DEBUG printf ("tls1_generate_master_secret() complete\n"); #endif /* KSSL_DEBUG */ return(SSL3_MASTER_SECRET_SIZE); } int tls1_alert_code(int code) { switch (code) { case SSL_AD_CLOSE_NOTIFY: return(SSL3_AD_CLOSE_NOTIFY); case SSL_AD_UNEXPECTED_MESSAGE: return(SSL3_AD_UNEXPECTED_MESSAGE); case SSL_AD_BAD_RECORD_MAC: return(SSL3_AD_BAD_RECORD_MAC); case SSL_AD_DECRYPTION_FAILED: return(TLS1_AD_DECRYPTION_FAILED); case SSL_AD_RECORD_OVERFLOW: return(TLS1_AD_RECORD_OVERFLOW); case SSL_AD_DECOMPRESSION_FAILURE:return(SSL3_AD_DECOMPRESSION_FAILURE); case SSL_AD_HANDSHAKE_FAILURE: return(SSL3_AD_HANDSHAKE_FAILURE); case SSL_AD_NO_CERTIFICATE: return(-1); case SSL_AD_BAD_CERTIFICATE: return(SSL3_AD_BAD_CERTIFICATE); case SSL_AD_UNSUPPORTED_CERTIFICATE:return(SSL3_AD_UNSUPPORTED_CERTIFICATE); case SSL_AD_CERTIFICATE_REVOKED:return(SSL3_AD_CERTIFICATE_REVOKED); case SSL_AD_CERTIFICATE_EXPIRED:return(SSL3_AD_CERTIFICATE_EXPIRED); case SSL_AD_CERTIFICATE_UNKNOWN:return(SSL3_AD_CERTIFICATE_UNKNOWN); case SSL_AD_ILLEGAL_PARAMETER: return(SSL3_AD_ILLEGAL_PARAMETER); case SSL_AD_UNKNOWN_CA: return(TLS1_AD_UNKNOWN_CA); case SSL_AD_ACCESS_DENIED: return(TLS1_AD_ACCESS_DENIED); case SSL_AD_DECODE_ERROR: return(TLS1_AD_DECODE_ERROR); case SSL_AD_DECRYPT_ERROR: return(TLS1_AD_DECRYPT_ERROR); case SSL_AD_EXPORT_RESTRICTION: return(TLS1_AD_EXPORT_RESTRICTION); case SSL_AD_PROTOCOL_VERSION: return(TLS1_AD_PROTOCOL_VERSION); case SSL_AD_INSUFFICIENT_SECURITY:return(TLS1_AD_INSUFFICIENT_SECURITY); case SSL_AD_INTERNAL_ERROR: return(TLS1_AD_INTERNAL_ERROR); case SSL_AD_USER_CANCELLED: return(TLS1_AD_USER_CANCELLED); case SSL_AD_NO_RENEGOTIATION: return(TLS1_AD_NO_RENEGOTIATION); case DTLS1_AD_MISSING_HANDSHAKE_MESSAGE: return (DTLS1_AD_MISSING_HANDSHAKE_MESSAGE); default: return(-1); } }