diff options
Diffstat (limited to 'openssl/crypto/bio/b_dump.c')
| -rw-r--r-- | openssl/crypto/bio/b_dump.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/openssl/crypto/bio/b_dump.c b/openssl/crypto/bio/b_dump.c new file mode 100644 index 000000000..c80ecc429 --- /dev/null +++ b/openssl/crypto/bio/b_dump.c @@ -0,0 +1,187 @@ +/* crypto/bio/b_dump.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.] + */ + +/* + * Stolen from tjh's ssl/ssl_trc.c stuff. + */ + +#include <stdio.h> +#include "cryptlib.h" +#include "bio_lcl.h" + +#define TRUNCATE +#define DUMP_WIDTH 16 +#define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH-((i-(i>6?6:i)+3)/4)) + +int BIO_dump_cb(int (*cb)(const void *data, size_t len, void *u), + void *u, const char *s, int len) + { + return BIO_dump_indent_cb(cb, u, s, len, 0); + } + +int BIO_dump_indent_cb(int (*cb)(const void *data, size_t len, void *u), + void *u, const char *s, int len, int indent) + { + int ret=0; + char buf[288+1],tmp[20],str[128+1]; + int i,j,rows,trc; + unsigned char ch; + int dump_width; + + trc=0; + +#ifdef TRUNCATE + for(; (len > 0) && ((s[len-1] == ' ') || (s[len-1] == '\0')); len--) + trc++; +#endif + + if (indent < 0) + indent = 0; + if (indent) + { + if (indent > 128) indent=128; + memset(str,' ',indent); + } + str[indent]='\0'; + + dump_width=DUMP_WIDTH_LESS_INDENT(indent); + rows=(len/dump_width); + if ((rows*dump_width)<len) + rows++; + for(i=0;i<rows;i++) + { + buf[0]='\0'; /* start with empty string */ + BUF_strlcpy(buf,str,sizeof buf); + BIO_snprintf(tmp,sizeof tmp,"%04x - ",i*dump_width); + BUF_strlcat(buf,tmp,sizeof buf); + for(j=0;j<dump_width;j++) + { + if (((i*dump_width)+j)>=len) + { + BUF_strlcat(buf," ",sizeof buf); + } + else + { + ch=((unsigned char)*(s+i*dump_width+j)) & 0xff; + BIO_snprintf(tmp,sizeof tmp,"%02x%c",ch, + j==7?'-':' '); + BUF_strlcat(buf,tmp,sizeof buf); + } + } + BUF_strlcat(buf," ",sizeof buf); + for(j=0;j<dump_width;j++) + { + if (((i*dump_width)+j)>=len) + break; + ch=((unsigned char)*(s+i*dump_width+j)) & 0xff; +#ifndef CHARSET_EBCDIC + BIO_snprintf(tmp,sizeof tmp,"%c", + ((ch>=' ')&&(ch<='~'))?ch:'.'); +#else + BIO_snprintf(tmp,sizeof tmp,"%c", + ((ch>=os_toascii[' '])&&(ch<=os_toascii['~'])) + ? os_toebcdic[ch] + : '.'); +#endif + BUF_strlcat(buf,tmp,sizeof buf); + } + BUF_strlcat(buf,"\n",sizeof buf); + /* if this is the last call then update the ddt_dump thing so + * that we will move the selection point in the debug window + */ + ret+=cb((void *)buf,strlen(buf),u); + } +#ifdef TRUNCATE + if (trc > 0) + { + BIO_snprintf(buf,sizeof buf,"%s%04x - <SPACES/NULS>\n",str, + len+trc); + ret+=cb((void *)buf,strlen(buf),u); + } +#endif + return(ret); + } + +#ifndef OPENSSL_NO_FP_API +static int write_fp(const void *data, size_t len, void *fp) + { + return UP_fwrite(data, len, 1, fp); + } +int BIO_dump_fp(FILE *fp, const char *s, int len) + { + return BIO_dump_cb(write_fp, fp, s, len); + } +int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent) + { + return BIO_dump_indent_cb(write_fp, fp, s, len, indent); + } +#endif + +static int write_bio(const void *data, size_t len, void *bp) + { + return BIO_write((BIO *)bp, (const char *)data, len); + } +int BIO_dump(BIO *bp, const char *s, int len) + { + return BIO_dump_cb(write_bio, bp, s, len); + } +int BIO_dump_indent(BIO *bp, const char *s, int len, int indent) + { + return BIO_dump_indent_cb(write_bio, bp, s, len, indent); + } + |