mirror of https://github.com/Cisco-Talos/clamav
Nigel Horne
21 years ago
parent
0f5e1958c9
commit
e72de3f1d8
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/*
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* Copyright (C) 2004 Nigel Horne <njh@bandsman.co.uk> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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* |
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* Change History: |
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* $Log: binhex.c,v $ |
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* Revision 1.2 2004/11/18 18:09:06 nigelhorne |
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* First draft of binhex.c |
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* |
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*/ |
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static char const rcsid[] = "$Id: binhex.c,v 1.2 2004/11/18 18:09:06 nigelhorne Exp $"; |
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#include "clamav.h" |
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#if HAVE_CONFIG_H |
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#include "clamav-config.h" |
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#endif |
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#ifndef CL_DEBUG |
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#define NDEBUG /* map CLAMAV debug onto standard */ |
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#endif |
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#ifdef CL_THREAD_SAFE |
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#ifndef _REENTRANT |
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#define _REENTRANT /* for Solaris 2.8 */ |
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#endif |
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#endif |
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#if HAVE_MMAP |
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#if HAVE_SYS_MMAN_H |
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#include <sys/mman.h> |
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#else /* HAVE_SYS_MMAN_H */ |
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#undef HAVE_MMAP |
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#endif |
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#endif |
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#include <stdio.h> |
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#include <memory.h> |
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#include <sys/stat.h> |
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#include "line.h" |
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#include "mbox.h" |
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#include "table.h" |
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#include "blob.h" |
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#include "text.h" |
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#include "others.h" |
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int |
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cli_binhex(const char *dir, int desc) |
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{ |
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struct stat statb; |
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char *buf, *start; |
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size_t size, bytesleft; |
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message *m; |
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fileblob *fb; |
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#ifndef HAVE_MMAP |
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cli_errmsg("Binhex decoding needs mmap() (for now)\n"); |
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return CL_EMEM; |
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#else |
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if(fstat(desc, &statb) < 0) |
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return CL_EOPEN; |
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m = messageCreate(); |
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if(m == NULL) |
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return CL_EMEM; |
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size = statb.st_size; |
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start = buf = mmap(NULL, size, PROT_READ, MAP_PRIVATE, desc, 0); |
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if (buf == MAP_FAILED) |
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return CL_EMEM; |
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cli_dbgmsg("mmap'ed binhex file\n"); |
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bytesleft = size; |
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while(bytesleft) { |
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int length = 0; |
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char *ptr, *line; |
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for(ptr = buf; bytesleft && *ptr != '\r'; ptr++) { |
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length++; |
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--bytesleft; |
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} |
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printf("%d: ", length); |
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line = cli_malloc(length + 1); |
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memcpy(line, buf, length); |
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line[length] = '\0'; |
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puts(line); |
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if(messageAddStr(m, line) < 0) |
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break; |
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free(line); |
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buf = ++ptr; |
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} |
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munmap(start, size); |
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if(m->binhex == NULL) { |
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messageDestroy(m); |
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cli_errmsg("No binhex line found\n"); |
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return CL_EFORMAT; |
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} |
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messageSetEncoding(m, "x-binhex"); |
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fb = messageToFileblob(m, dir); |
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if(fb) { |
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cli_dbgmsg("Binhex file decoded to %s\n", fileblobGetFilename(fb)); |
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fileblobDestroy(fb); |
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} else |
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cli_errmsg("Couldn't decode binhex file to %s\n", fileblobGetFilename(fb)); |
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messageDestroy(m); |
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if(fb) |
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return CL_CLEAN; /* a lie - but it gets things going */ |
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return CL_EOPEN; |
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#endif |
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} |
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