1076 lines
31 KiB
C
1076 lines
31 KiB
C
/*
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Copyright (c) 1990-2009 Info-ZIP. All rights reserved.
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See the accompanying file LICENSE, version 2009-Jan-02 or later
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(the contents of which are also included in unzip.h) for terms of use.
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If, for some reason, all these files are missing, the Info-ZIP license
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also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html
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*/
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/* Windows Info-ZIP Unzip DLL module
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*
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* Author: Mike White
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*
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* Original: 1996
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*
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* This module has the entry points for "unzipping" a zip file.
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*/
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/*---------------------------------------------------------------------------
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This file is the WINDLL replacement for the generic ``main program source
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file'' unzip.c.
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See the general comments in the header part of unzip.c.
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Copyrights: see accompanying file "COPYING" in UnZip source distribution.
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(This software is free but NOT IN THE PUBLIC DOMAIN. There
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are some restrictions on commercial use.)
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---------------------------------------------------------------------------*/
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#define __WINDLL_C /* identifies this source module */
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#define WIN32_LEAN_AND_MEAN
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#define UNZIP_INTERNAL
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#include "../unzip.h"
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#include "../crypt.h"
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#include "../unzvers.h"
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#include "../windll/windll.h"
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#include "../windll/structs.h"
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#include "../consts.h"
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#include <malloc.h>
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/* Added type casts to prevent potential "type mismatch" error messages. */
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#ifdef REENTRANT
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# undef __G
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# undef __G__
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# define __G (Uz_Globs *)pG
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# define __G__ (Uz_Globs *)pG,
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#endif
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HANDLE hwildZipFN;
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HANDLE hInst; /* current instance */
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HANDLE hDCL;
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int fNoPrinting = 0;
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extern jmp_buf dll_error_return;
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/* Helper function to release memory allocated by Wiz_SetOpts() */
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static void FreeDllMem(__GPRO);
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/* For displaying status messages and error messages */
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static int UZ_EXP DllMessagePrint(zvoid *pG, uch *buf, ulg size, int flag);
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#if 0 /* currently unused */
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/* For displaying files extracted to the display window */
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int DllDisplayPrint(zvoid *pG, uch *buf, ulg size, int flag);
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#endif /* never */
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/* Callback function for status report and/or user interception */
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static int UZ_EXP Wiz_StatReportCB(zvoid *pG, int fnflag, ZCONST char *zfn,
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ZCONST char *efn, ZCONST zvoid *details);
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/* Dummy sound function for those applications that don't use sound */
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static void WINAPI DummySound(void);
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static int UnzipAllocMemory(unsigned, char *, char *, char ***, unsigned *);
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static int UnzipParseString(LPCSTR, unsigned *, char ***);
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static void UnzipFreeArguments(unsigned, char ***);
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#ifndef UNZIPLIB
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/* DLL Entry Point */
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#ifdef __BORLANDC__
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#pragma argsused
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/* Borland seems to want DllEntryPoint instead of DllMain like MSVC */
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#define DllMain DllEntryPoint
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#endif
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#ifdef WIN32
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BOOL WINAPI DllMain( HINSTANCE hInstance,
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DWORD dwReason,
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LPVOID plvReserved)
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#else
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int FAR PASCAL LibMain( HINSTANCE hInstance,
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WORD wDataSegment,
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WORD wHeapSize,
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LPSTR lpszCmdLine )
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#endif
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{
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#ifndef WIN32
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/* The startup code for the DLL initializes the local heap(if there is one)
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* with a call to LocalInit which locks the data segment.
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*/
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if ( wHeapSize != 0 )
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{
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UnlockData( 0 );
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}
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hInst = hInstance;
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return 1; /* Indicate that the DLL was initialized successfully. */
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#else
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BOOL rc = TRUE;
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switch( dwReason )
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{
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case DLL_PROCESS_ATTACH:
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// DLL is loaded. Do your initialization here.
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// If cannot init, set rc to FALSE.
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hInst = hInstance;
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break;
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case DLL_PROCESS_DETACH:
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// DLL is unloaded. Do your cleanup here.
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break;
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default:
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break;
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}
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return rc;
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#endif
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}
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#ifdef __BORLANDC__
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#pragma argsused
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#endif
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int FAR PASCAL WEP ( int bSystemExit )
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{
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return 1;
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}
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#endif /* !UNZIPLIB */
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static int UnzipAllocMemory(unsigned int i, char *cmd, char *str,
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char ***pargVee, unsigned int *pargCee)
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{
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if (((*pargVee)[i] = (char *)malloc(sizeof(char) * strlen(cmd)+1 ))
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== NULL)
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{
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if (pargCee != NULL)
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(*pargCee)++;
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UnzipFreeArguments(*pargCee, pargVee);
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fprintf(stdout, "Unable to allocate memory in unzip library at %s\n",
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str);
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return PK_MEM;
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}
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strcpy((*pargVee)[i], cmd);
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(*pargCee)++;
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return PK_OK;
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}
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static void UnzipFreeArguments(unsigned int argCee, char ***pargVee)
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{
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unsigned i;
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/* Free the arguments in the arrays */
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for (i = 0; i < argCee; i++)
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{
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free ((*pargVee)[i]);
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(*pargVee)[i] = NULL;
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}
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/* Then free the arrays themselves */
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free(*pargVee);
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}
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static int UnzipParseString(LPCSTR s, unsigned int *pargCee, char ***pargVee)
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{
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unsigned int i = 0;
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char *str1, *str2, *str3;
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size_t size;
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str1 = (char *) malloc(lstrlen(s)+4);
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lstrcpy(str1, s);
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lstrcat(str1, " @");
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str2 = strchr(str1, '\"'); // get first occurance of double quote
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while ((str3 = strchr(str1, '\t')) != NULL)
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{
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str3[0] = ' '; // Change tabs into a single space
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}
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/* Note that if a quoted string contains multiple adjacent spaces, they
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will not be removed, because they could well point to a valid
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folder/file name.
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*/
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while ((str2 = strchr(str1, '\"')) != NULL)
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{
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// Found an opening double quote; get the corresponding closing quote
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str3 = strchr(str2+1, '\"');
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if (str3 == NULL)
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{
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free(str1);
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return PK_PARAM; /* Something is screwy with the
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string, bail out */
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}
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str3[0] = '\0'; // terminate str2 with a NULL
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size = _msize(*pargVee);
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if ((*pargVee = (char **)realloc(*pargVee, size + sizeof(char *)))
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== NULL)
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{
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fprintf(stdout, "Unable to allocate memory in unzip dll\n");
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return PK_MEM;
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}
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// argCee is incremented in UnzipAllocMemory
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if (UnzipAllocMemory(i, str2+1, "Creating file list from string",
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pargVee, pargCee) != PK_OK)
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{
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free(str1);
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return PK_MEM;
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}
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i++;
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str3+=2; // Point past the whitespace character
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str2[0] = '\0'; // Terminate str1
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lstrcat(str1, str3);
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} // end while
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/* points to first occurance of a space */
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str2 = strchr(str1, ' ');
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/* Go through the string character by character, looking for instances
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of two spaces together. Terminate when you find the trailing @
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*/
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while ((str2[0] != '\0') && (str2[0] != '@'))
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{
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while ((str2[0] == ' ') && (str2[1] == ' '))
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{
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str3 = &str2[1];
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str2[0] = '\0';
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lstrcat(str1, str3);
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}
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str2++;
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}
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/* Do we still have a leading space? */
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if (str1[0] == ' ')
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{
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str3 = &str1[1];
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lstrcpy(str1, str3); // Dump the leading space
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}
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/* Okay, now we have gotten rid of any tabs and replaced them with
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spaces, and have replaced multiple spaces with a single space. We
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couldn't do this before because the folder names could have actually
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contained these characters.
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*/
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str2 = str3 = str1;
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while ((str2[0] != '\0') && (str3[0] != '@'))
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{
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str3 = strchr(str2+1, ' ');
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str3[0] = '\0';
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size = _msize(pargVee);
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if ((*pargVee = (char **)realloc(*pargVee, size + sizeof(char *)))
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== NULL)
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{
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fprintf(stdout, "Unable to allocate memory in unzip dll\n");
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return PK_MEM;
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}
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if (UnzipAllocMemory(i, str2, "Creating file list from string",
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pargVee, pargCee) != PK_OK)
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{
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free(str1);
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return PK_MEM;
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}
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i++;
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str3++;
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str2 = str3;
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}
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free(str1);
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return PK_OK;
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}
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/* DLL calls */
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BOOL WINAPI Wiz_Init(pG, lpUserFunc)
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zvoid *pG;
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LPUSERFUNCTIONS lpUserFunc;
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{
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G.message = DllMessagePrint;
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G.statreportcb = Wiz_StatReportCB;
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if (lpUserFunc->sound == NULL)
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lpUserFunc->sound = DummySound;
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G.lpUserFunctions = lpUserFunc;
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SETLOCALE(LC_CTYPE, "");
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if (!G.lpUserFunctions->print ||
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!G.lpUserFunctions->sound ||
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!G.lpUserFunctions->replace)
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return FALSE;
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return TRUE;
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}
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/*
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StructVersID = version of this structure (= UZ_DCL_STRUCTVER)
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ExtractOnlyNewer = TRUE for "update" without interaction
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(extract only newer/new files, without queries)
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SpaceToUnderscore = TRUE if convert space to underscore
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PromptToOverwrite = TRUE if prompt to overwrite is wanted
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fQuiet = quiet flag:
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0 = all messages, 1 = few messages, 2 = no messages
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ncflag = write to stdout if TRUE
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ntflag = test zip file
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nvflag = verbose listing
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nfflag = "freshen" (replace existing files by newer versions)
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nzflag = display zip file comment
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ndflag = controls (sub)directory recreation during extraction
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0 = junk paths from filenames
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1 = "safe" usage of paths in filenames (skip "../")
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2 = allow also unsafe path components (dir traversal)
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noflag = always overwriting existing files if TRUE
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naflag = do end-of-line translation
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nZIflag = get ZipInfo if TRUE
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B_flag = backup existing files if TRUE
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C_flag = be case insensitive if TRUE
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D_flag = controls restoration of timestamps
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0 = restore all timestamps (default)
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1 = skip restoration of timestamps for folders
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created on behalf of directory entries in the
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Zip archive
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2 = do not restore any timestamps; extracted files
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and directories get stamped with the current time
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U_flag = controls UTF-8 filename coding support
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0 = automatic UTF-8 translation enabled (default)
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1 = recognize UTF-8 coded names, but all non-ASCII
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characters are "escaped" into "#Uxxxx"
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2 = UTF-8 support is disabled, filename handling
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works exactly as in previous UnZip versions
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fPrivilege = 1 => restore ACLs in user mode,
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2 => try to use privileges for restoring ACLs
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lpszZipFN = zip file name
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lpszExtractDir = directory to extract to. This should be NULL if you
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are extracting to the current directory.
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*/
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BOOL WINAPI Wiz_SetOpts(pG, lpDCL)
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zvoid *pG;
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LPDCL lpDCL;
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{
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if (lpDCL->StructVersID != UZ_DCL_STRUCTVER)
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return FALSE;
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uO.qflag = lpDCL->fQuiet; /* Quiet flag */
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G.pfnames = (char **)&fnames[0]; /* assign default file name vector */
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G.pxnames = (char **)&fnames[1];
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uO.jflag = (lpDCL->ndflag == 0);
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uO.ddotflag = (lpDCL->ndflag >= 2);
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uO.cflag = lpDCL->ncflag;
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uO.tflag = lpDCL->ntflag;
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uO.vflag = lpDCL->nvflag;
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uO.zflag = lpDCL->nzflag;
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uO.aflag = lpDCL->naflag;
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#ifdef UNIXBACKUP
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uO.B_flag = lpDCL->B_flag;
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#endif
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uO.C_flag = lpDCL->C_flag;
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uO.D_flag = lpDCL->D_flag;
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uO.U_flag = lpDCL->U_flag;
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uO.overwrite_all = lpDCL->noflag;
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uO.overwrite_none = !(lpDCL->noflag || lpDCL->PromptToOverwrite);
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uO.uflag = lpDCL->ExtractOnlyNewer || lpDCL->nfflag;
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uO.fflag = lpDCL->nfflag;
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#ifdef WIN32
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uO.X_flag = lpDCL->fPrivilege;
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#endif
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uO.sflag = lpDCL->SpaceToUnderscore; /* Translate spaces to underscores? */
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if (lpDCL->nZIflag)
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{
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uO.zipinfo_mode = TRUE;
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uO.hflag = TRUE;
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uO.lflag = 10;
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uO.qflag = 2;
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}
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else
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{
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uO.zipinfo_mode = FALSE;
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}
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G.extract_flag = (!uO.zipinfo_mode &&
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!uO.cflag && !uO.tflag && !uO.vflag && !uO.zflag
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#ifdef TIMESTAMP
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&& !uO.T_flag
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#endif
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);
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if (lpDCL->lpszExtractDir != NULL && G.extract_flag)
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{
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#ifndef CRTL_CP_IS_ISO
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char *pExDirRoot = (char *)malloc(strlen(lpDCL->lpszExtractDir)+1);
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if (pExDirRoot == NULL)
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return FALSE;
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ISO_TO_INTERN(lpDCL->lpszExtractDir, pExDirRoot);
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#else
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# define pExDirRoot lpDCL->lpszExtractDir
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#endif
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if (strlen(pExDirRoot) >= FILNAMSIZ)
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{
|
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/* The supplied extract root path exceed the filename size limit. */
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#ifndef CRTL_CP_IS_ISO
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free(pExDirRoot);
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#endif
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return FALSE;
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}
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uO.exdir = pExDirRoot;
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}
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else
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{
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uO.exdir = (char *)NULL;
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}
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/* G.wildzipfn needs to be initialized so that do_wild does not wind
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up clearing out the zip file name when it returns in process.c
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*/
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if (strlen(lpDCL->lpszZipFN) >= FILNAMSIZ)
|
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/* length of supplied archive name exceed the system's filename limit */
|
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return FALSE;
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hwildZipFN = GlobalAlloc(GPTR, FILNAMSIZ);
|
|
if (hwildZipFN == (HGLOBAL) NULL)
|
|
return FALSE;
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|
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G.wildzipfn = GlobalLock(hwildZipFN);
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lstrcpy(G.wildzipfn, lpDCL->lpszZipFN);
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_ISO_INTERN(G.wildzipfn);
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|
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return TRUE; /* set up was OK */
|
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}
|
|
|
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static void FreeDllMem(__GPRO)
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{
|
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if (G.wildzipfn) {
|
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GlobalUnlock(hwildZipFN);
|
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G.wildzipfn = NULL;
|
|
}
|
|
if (hwildZipFN)
|
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hwildZipFN = GlobalFree(hwildZipFN);
|
|
|
|
#ifndef CRTL_CP_IS_ISO
|
|
if (uO.exdir != NULL) {
|
|
free(uO.exdir);
|
|
uO.exdir = NULL;
|
|
}
|
|
#endif
|
|
|
|
uO.zipinfo_mode = FALSE;
|
|
}
|
|
|
|
int WINAPI Wiz_Unzip(pG, ifnc, ifnv, xfnc, xfnv)
|
|
zvoid *pG;
|
|
int ifnc;
|
|
char **ifnv;
|
|
int xfnc;
|
|
char **xfnv;
|
|
{
|
|
int retcode, f_cnt;
|
|
#ifndef CRTL_CP_IS_ISO
|
|
unsigned bufsize;
|
|
char **intern_ifv = NULL, **intern_xfv = NULL;
|
|
#endif
|
|
|
|
if (ifnv == (char **)NULL && ifnc != 0)
|
|
ifnc = 0;
|
|
else
|
|
for (f_cnt = 0; f_cnt < ifnc; f_cnt++)
|
|
if (ifnv[f_cnt] == (char *)NULL) {
|
|
ifnc = f_cnt;
|
|
break;
|
|
}
|
|
if (xfnv == (char **)NULL && xfnc != 0)
|
|
xfnc = 0;
|
|
else
|
|
for (f_cnt = 0; f_cnt < xfnc; f_cnt++)
|
|
if (xfnv[f_cnt] == (char *)NULL) {
|
|
xfnc = f_cnt;
|
|
break;
|
|
}
|
|
|
|
G.process_all_files = (ifnc == 0 && xfnc == 0); /* for speed */
|
|
G.filespecs = ifnc;
|
|
G.xfilespecs = xfnc;
|
|
|
|
if (ifnc > 0) {
|
|
for (f_cnt = ifnc; --f_cnt >= 0;)
|
|
if (strlen(ifnv[f_cnt]) > ((WSIZE>>2) - 160)) {
|
|
/* include filename pattern is too long for internal buffers */
|
|
FreeDllMem(__G);
|
|
return PK_PARAM;
|
|
}
|
|
|
|
#ifdef CRTL_CP_IS_ISO
|
|
G.pfnames = ifnv;
|
|
#else /* !CRTL_CP_IS_ISO */
|
|
intern_ifv = (char **)malloc((ifnc+1)*sizeof(char **));
|
|
if (intern_ifv == (char **)NULL)
|
|
{
|
|
FreeDllMem(__G);
|
|
return PK_BADERR;
|
|
}
|
|
|
|
bufsize = 0;
|
|
for (f_cnt = ifnc; --f_cnt >= 0;)
|
|
bufsize += strlen(ifnv[f_cnt]) + 1;
|
|
intern_ifv[0] = (char *)malloc(bufsize);
|
|
if (intern_ifv[0] == (char *)NULL)
|
|
{
|
|
free(intern_ifv);
|
|
FreeDllMem(__G);
|
|
return PK_BADERR;
|
|
}
|
|
|
|
for (f_cnt = 0; ; f_cnt++)
|
|
{
|
|
ISO_TO_INTERN(ifnv[f_cnt], intern_ifv[f_cnt]);
|
|
if ((f_cnt+1) >= ifnc)
|
|
break;
|
|
intern_ifv[f_cnt+1] = intern_ifv[f_cnt] +
|
|
(strlen(intern_ifv[f_cnt]) + 1);
|
|
}
|
|
intern_ifv[ifnc] = (char *)NULL;
|
|
G.pfnames = intern_ifv;
|
|
#endif /* ?CRTL_CP_IS_ISO */
|
|
}
|
|
|
|
if (xfnc > 0) {
|
|
for (f_cnt = xfnc; --f_cnt >= 0;)
|
|
if (strlen(xfnv[f_cnt]) > ((WSIZE>>2) - 160))
|
|
{
|
|
/* exclude filename pattern is too long for internal buffers */
|
|
#ifndef CRTL_CP_IS_ISO
|
|
if (ifnc > 0)
|
|
{
|
|
free(intern_ifv[0]);
|
|
free(intern_ifv);
|
|
}
|
|
#endif
|
|
FreeDllMem(__G);
|
|
return PK_PARAM;
|
|
}
|
|
|
|
#ifdef CRTL_CP_IS_ISO
|
|
G.pxnames = xfnv;
|
|
#else /* !CRTL_CP_IS_ISO */
|
|
intern_xfv = (char **)malloc((xfnc+1)*sizeof(char **));
|
|
if (intern_xfv == (char **)NULL)
|
|
{
|
|
if (ifnc > 0)
|
|
{
|
|
free(intern_ifv[0]);
|
|
free(intern_ifv);
|
|
}
|
|
FreeDllMem(__G);
|
|
return PK_BADERR;
|
|
}
|
|
|
|
bufsize = 0;
|
|
for (f_cnt = xfnc; --f_cnt >= 0;)
|
|
bufsize += strlen(xfnv[f_cnt]) + 1;
|
|
intern_xfv[0] = (char *)malloc(bufsize);
|
|
if (intern_xfv[0] == (char *)NULL)
|
|
{
|
|
free(intern_xfv);
|
|
if (ifnc > 0)
|
|
{
|
|
free(intern_ifv[0]);
|
|
free(intern_ifv);
|
|
}
|
|
FreeDllMem(__G);
|
|
return PK_BADERR;
|
|
}
|
|
|
|
for (f_cnt = 0; ; f_cnt++)
|
|
{
|
|
ISO_TO_INTERN(xfnv[f_cnt], intern_xfv[f_cnt]);
|
|
if ((f_cnt+1) >= xfnc)
|
|
break;
|
|
intern_xfv[f_cnt+1] = intern_xfv[f_cnt] +
|
|
(strlen(intern_xfv[f_cnt]) + 1);
|
|
}
|
|
intern_xfv[xfnc] = (char *)NULL;
|
|
G.pxnames = intern_xfv;
|
|
#endif /* ?CRTL_CP_IS_ISO */
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
Okey dokey, we have everything we need to get started. Let's roll.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
retcode = setjmp(dll_error_return);
|
|
if (retcode)
|
|
{
|
|
#ifndef CRTL_CP_IS_ISO
|
|
if (xfnc > 0)
|
|
{
|
|
free(intern_xfv[0]);
|
|
free(intern_xfv);
|
|
}
|
|
if (ifnc > 0)
|
|
{
|
|
free(intern_ifv[0]);
|
|
free(intern_ifv);
|
|
}
|
|
#endif
|
|
FreeDllMem(__G);
|
|
return PK_BADERR;
|
|
}
|
|
|
|
retcode = process_zipfiles(__G);
|
|
#ifndef CRTL_CP_IS_ISO
|
|
if (xfnc > 0)
|
|
{
|
|
free(intern_xfv[0]);
|
|
free(intern_xfv);
|
|
}
|
|
if (ifnc > 0)
|
|
{
|
|
free(intern_ifv[0]);
|
|
free(intern_ifv);
|
|
}
|
|
#endif
|
|
FreeDllMem(__G);
|
|
return retcode;
|
|
}
|
|
|
|
|
|
/*
|
|
ifnc = number of file names being passed. If all files are to be
|
|
extracted, then this can be zero.
|
|
ifnv = file names to be unarchived. Wildcard patterns are recognized
|
|
and expanded. If all files are to be extracted, then this can
|
|
be NULL.
|
|
xfnc = number of "file names to be excluded from processing" being
|
|
passed. If all files are to be extracted, set this to zero.
|
|
xfnv = file names to be excluded from the unarchiving process. Wildcard
|
|
characters are allowed and expanded. If all files are to be
|
|
extracted, set this argument to NULL.
|
|
lpDCL = pointer to a structure with the flags for setting the
|
|
various options, as well as the zip file name.
|
|
lpUserFunc = pointer to a structure that contains pointers to functions
|
|
in the calling application, as well as sizes passed back to
|
|
the calling application etc.
|
|
*/
|
|
|
|
int WINAPI Wiz_SingleEntryUnzip(int ifnc, char **ifnv, int xfnc, char **xfnv,
|
|
LPDCL lpDCL, LPUSERFUNCTIONS lpUserFunc)
|
|
{
|
|
int retcode;
|
|
CONSTRUCTGLOBALS();
|
|
|
|
if (!Wiz_Init((zvoid *)&G, lpUserFunc))
|
|
{
|
|
DESTROYGLOBALS();
|
|
return PK_BADERR;
|
|
}
|
|
|
|
if (lpDCL->lpszZipFN == NULL)
|
|
{
|
|
/* Something has screwed up, we don't have a filename */
|
|
DESTROYGLOBALS();
|
|
return PK_NOZIP;
|
|
}
|
|
|
|
if (!Wiz_SetOpts((zvoid *)&G, lpDCL))
|
|
{
|
|
DESTROYGLOBALS();
|
|
return PK_MEM;
|
|
}
|
|
|
|
#ifdef SFX
|
|
G.zipfn = lpDCL->lpszZipFN;
|
|
G.argv0 = lpDCL->lpszZipFN;
|
|
#endif
|
|
|
|
/* Here is the actual call to "unzip" the files (or whatever else you
|
|
* are doing.)
|
|
*/
|
|
retcode = Wiz_Unzip((zvoid *)&G, ifnc, ifnv, xfnc, xfnv);
|
|
|
|
DESTROYGLOBALS();
|
|
return retcode;
|
|
}
|
|
|
|
|
|
/*
|
|
This calling wrapper provided a method to pass file lists as plain strings
|
|
instead of the usual string arrays. For VB Users only...
|
|
ifnc = number of file names being passed. If all files are to be
|
|
extracted, then this can be zero.
|
|
ExtList = Pointer to a list of file names to be extracted, separated by
|
|
white space. If all files are to be extracted, then this should
|
|
be NULL. Parameter ifnc should have an accurate count of the
|
|
number of filenames being passed in.
|
|
xfnc = number of "file names to be excluded from processing" being
|
|
passed. If all files are to be extracted, set this to zero.
|
|
ExcList = Pointer to a list of file names to be excluded from processing.
|
|
Parameter xfnc should have an accurate count of the number of
|
|
the number of filenames being passed in.
|
|
lpDCL = pointer to a structure with the flags for setting the
|
|
various options, as well as the zip file name.
|
|
lpUserFunc = pointer to a structure that contains pointers to functions
|
|
in the calling application, as well as sizes passed back to
|
|
the calling application etc.
|
|
*/
|
|
|
|
int WINAPI Wiz_SingleEntryUnzpList(unsigned int ifnc, LPCSTR ExtList,
|
|
unsigned int xfnc, LPCSTR ExcList,
|
|
LPDCL lpDCL, LPUSERFUNCTIONS lpUserFunc)
|
|
{
|
|
int retcode;
|
|
char **argVExt, **argVExc;
|
|
unsigned int argCExt, argCExc;
|
|
|
|
argCExt = argCExc = 0;
|
|
|
|
if (ExtList != NULL)
|
|
{
|
|
if ((argVExt = (char **)malloc((ifnc)*sizeof(char *))) == NULL)
|
|
{
|
|
fprintf(stdout, "Unable to allocate memory in unzip dll\n");
|
|
return PK_MEM;
|
|
}
|
|
if ((retcode = UnzipParseString(ExtList, &argCExt, &argVExt)) != PK_OK)
|
|
return retcode;
|
|
}
|
|
|
|
if (ExcList != NULL)
|
|
{
|
|
if ((argVExc = (char **)malloc((ifnc)*sizeof(char *))) == NULL)
|
|
{
|
|
fprintf(stdout, "Unable to allocate memory in unzip dll\n");
|
|
UnzipFreeArguments(argCExt, &argVExt);
|
|
return PK_MEM;
|
|
}
|
|
if ((retcode = UnzipParseString(ExcList, &argCExc, &argVExc)) != PK_OK)
|
|
{
|
|
UnzipFreeArguments(argCExt, &argVExt);
|
|
return retcode;
|
|
}
|
|
}
|
|
|
|
retcode = Wiz_SingleEntryUnzip(argCExt, argVExt, argCExc, argVExc,
|
|
lpDCL, lpUserFunc);
|
|
UnzipFreeArguments(argCExc, &argVExc);
|
|
UnzipFreeArguments(argCExt, &argVExt);
|
|
return retcode;
|
|
}
|
|
|
|
|
|
int win_fprintf(zvoid *pG, FILE *file, unsigned int size, char far *buffer)
|
|
{
|
|
if ((file != stderr) && (file != stdout))
|
|
{
|
|
return write(fileno(file),(char far *)(buffer),size);
|
|
}
|
|
if (!fNoPrinting)
|
|
return G.lpUserFunctions->print((LPSTR)buffer, size);
|
|
return (int)size;
|
|
}
|
|
|
|
/**********************************
|
|
* Function DllMessagePrint() *
|
|
* *
|
|
* Send messages to status window *
|
|
**********************************/
|
|
#ifdef __BORLANDC__
|
|
#pragma argsused
|
|
#endif
|
|
static int UZ_EXP DllMessagePrint(pG, buf, size, flag)
|
|
zvoid *pG; /* globals struct: always passed */
|
|
uch *buf; /* preformatted string to be printed */
|
|
ulg size; /* length of string (may include nulls) */
|
|
int flag; /* flag bits */
|
|
{
|
|
if (!fNoPrinting)
|
|
return G.lpUserFunctions->print((LPSTR)buf, size);
|
|
else
|
|
return (int)size;
|
|
}
|
|
|
|
#if 0 /* currently unused */
|
|
/********************************
|
|
* Function DllDisplayPrint() *
|
|
* *
|
|
* Send files to display window *
|
|
********************************/
|
|
#ifdef __BORLANDC__
|
|
#pragma argsused
|
|
#endif
|
|
int DllDisplayPrint(pG, buf, size, flag)
|
|
zvoid *pG; /* globals struct: always passed */
|
|
uch *buf; /* preformatted string to be printed */
|
|
ulg size; /* length of string (may include nulls) */
|
|
int flag; /* flag bits */
|
|
{
|
|
return (!fNoPrinting
|
|
? G.lpUserFunctions->print((LPSTR)buf, size)
|
|
: (int)size);
|
|
}
|
|
#endif /* never */
|
|
|
|
|
|
/**********************************
|
|
* Function UzpPassword() *
|
|
* *
|
|
* Prompt for decryption password *
|
|
**********************************/
|
|
#ifdef __BORLANDC__
|
|
#pragma argsused
|
|
#endif
|
|
int UZ_EXP UzpPassword(pG, rcnt, pwbuf, size, zfn, efn)
|
|
zvoid *pG; /* globals struct: always passed */
|
|
int *rcnt; /* retry counter */
|
|
char *pwbuf; /* buffer for password */
|
|
int size; /* size of password buffer */
|
|
ZCONST char *zfn; /* name of zip archiv */
|
|
ZCONST char *efn; /* name of archiv entry being processed */
|
|
{
|
|
#if CRYPT
|
|
LPCSTR m;
|
|
|
|
if (*rcnt == 0) {
|
|
*rcnt = 2;
|
|
m = "Enter password for: ";
|
|
} else {
|
|
(*rcnt)--;
|
|
m = "Password incorrect--reenter: ";
|
|
}
|
|
|
|
return (*G.lpUserFunctions->password)((LPSTR)pwbuf, size, m, (LPCSTR)efn);
|
|
#else /* !CRYPT */
|
|
return IZ_PW_ERROR; /* internal error, function should never get called */
|
|
#endif /* ?CRYPT */
|
|
} /* end function UzpPassword() */
|
|
|
|
/* Turn off all messages to the calling application */
|
|
void WINAPI Wiz_NoPrinting(int f)
|
|
{
|
|
fNoPrinting = f;
|
|
}
|
|
|
|
/* Dummy sound function for those applications that don't use sound */
|
|
static void WINAPI DummySound(void)
|
|
{
|
|
}
|
|
|
|
/* Interface between WINDLL specific service callback functions and the
|
|
generic DLL's "status report & user interception" callback */
|
|
#ifdef __BORLANDC__
|
|
#pragma argsused
|
|
#endif
|
|
static int WINAPI Wiz_StatReportCB(zvoid *pG, int fnflag, ZCONST char *zfn,
|
|
ZCONST char *efn, ZCONST zvoid *details)
|
|
{
|
|
int rval = UZ_ST_CONTINUE;
|
|
|
|
switch (fnflag) {
|
|
case UZ_ST_START_EXTRACT:
|
|
if (G.lpUserFunctions->sound != NULL)
|
|
(*G.lpUserFunctions->sound)();
|
|
break;
|
|
case UZ_ST_FINISH_MEMBER:
|
|
if ((G.lpUserFunctions->ServCallBk != NULL) &&
|
|
(*G.lpUserFunctions->ServCallBk)(efn,
|
|
(details == NULL ? 0L :
|
|
#ifdef Z_UINT8_DEFINED
|
|
(z_uint8)(*((zusz_t *)details))
|
|
#else
|
|
*((zusz_t *)details)
|
|
#endif
|
|
)))
|
|
rval = UZ_ST_BREAK;
|
|
else if (G.lpUserFunctions->ServCallBk_i32 != NULL) {
|
|
unsigned long siz_u4L = 0L;
|
|
unsigned long siz_u4H = 0L;
|
|
if (details != NULL) {
|
|
siz_u4L = (unsigned long)(*(zusz_t *)details);
|
|
#ifdef ZIP64_SUPPORT
|
|
siz_u4H = (unsigned long)((*(zusz_t *)details) >> 32);
|
|
#endif
|
|
}
|
|
if ((*G.lpUserFunctions->ServCallBk_i32)(efn, siz_u4L, siz_u4H))
|
|
rval = UZ_ST_BREAK;
|
|
}
|
|
break;
|
|
case UZ_ST_IN_PROGRESS:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return rval;
|
|
}
|
|
|
|
|
|
#ifndef SFX
|
|
#ifndef __16BIT__
|
|
|
|
int WINAPI Wiz_UnzipToMemory(LPSTR zip, LPSTR file,
|
|
LPUSERFUNCTIONS lpUserFunctions, UzpBuffer *retstr)
|
|
{
|
|
int r;
|
|
#ifndef CRTL_CP_IS_ISO
|
|
char *intern_zip, *intern_file;
|
|
#endif
|
|
|
|
CONSTRUCTGLOBALS();
|
|
#ifndef CRTL_CP_IS_ISO
|
|
intern_zip = (char *)malloc(strlen(zip)+1);
|
|
if (intern_zip == NULL) {
|
|
DESTROYGLOBALS();
|
|
return PK_MEM;
|
|
}
|
|
intern_file = (char *)malloc(strlen(file)+1);
|
|
if (intern_file == NULL) {
|
|
DESTROYGLOBALS();
|
|
free(intern_zip);
|
|
return PK_MEM;
|
|
}
|
|
ISO_TO_INTERN(zip, intern_zip);
|
|
ISO_TO_INTERN(file, intern_file);
|
|
# define zip intern_zip
|
|
# define file intern_file
|
|
#endif
|
|
if (!Wiz_Init((zvoid *)&G, lpUserFunctions)) {
|
|
DESTROYGLOBALS();
|
|
return PK_BADERR;
|
|
}
|
|
G.redirect_data = 1;
|
|
|
|
r = (unzipToMemory(__G__ zip, file, retstr) == PK_COOL);
|
|
|
|
DESTROYGLOBALS();
|
|
#ifndef CRTL_CP_IS_ISO
|
|
# undef file
|
|
# undef zip
|
|
free(intern_file);
|
|
free(intern_zip);
|
|
#endif
|
|
if (!r && retstr->strlength) {
|
|
free(retstr->strptr);
|
|
retstr->strptr = NULL;
|
|
}
|
|
return r;
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Purpose: Determine if file in archive contains the string szSearch
|
|
|
|
Parameters: archive = archive name
|
|
file = file contained in the archive. This cannot be
|
|
a wildcard to be meaningful
|
|
pattern = string to search for
|
|
cmd = 0 - case-insensitive search
|
|
1 - case-sensitve search
|
|
2 - case-insensitive, whole words only
|
|
3 - case-sensitive, whole words only
|
|
SkipBin = if true, skip any files that have control
|
|
characters other than CR, LF, or tab in the first
|
|
100 characters.
|
|
|
|
Returns: TRUE if a match is found
|
|
FALSE if no match is found
|
|
-1 on error
|
|
|
|
Comments: This does not pretend to be as useful as the standard
|
|
Unix grep, which returns the strings associated with a
|
|
particular pattern, nor does it search past the first
|
|
matching occurrence of the pattern.
|
|
*/
|
|
|
|
int WINAPI Wiz_Grep(LPSTR archive, LPSTR file, LPSTR pattern, int cmd,
|
|
int SkipBin, LPUSERFUNCTIONS lpUserFunctions)
|
|
{
|
|
int retcode = FALSE, compare;
|
|
ulg i, j, patternLen, buflen;
|
|
char * sz, *p;
|
|
UzpBuffer retstr;
|
|
|
|
/* Turn off any windows printing functions, as they may not have been
|
|
* identified yet. There is no requirement that we initialize the
|
|
* dll with printing stuff for this. */
|
|
Wiz_NoPrinting(TRUE);
|
|
|
|
if (!Wiz_UnzipToMemory(archive, file, lpUserFunctions, &retstr)) {
|
|
Wiz_NoPrinting(FALSE);
|
|
return -1; /* not enough memory, file not found, or other error */
|
|
}
|
|
|
|
if (SkipBin) {
|
|
if (retstr.strlength < 100)
|
|
buflen = retstr.strlength;
|
|
else
|
|
buflen = 100;
|
|
for (i = 0; i < buflen; i++) {
|
|
if (iscntrl(retstr.strptr[i])) {
|
|
if ((retstr.strptr[i] != 0x0A) &&
|
|
(retstr.strptr[i] != 0x0D) &&
|
|
(retstr.strptr[i] != 0x09))
|
|
{
|
|
/* OK, we now think we have a binary file of some sort */
|
|
free(retstr.strptr);
|
|
Wiz_NoPrinting(FALSE);
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
patternLen = strlen(pattern);
|
|
|
|
if (retstr.strlength < patternLen) {
|
|
free(retstr.strptr);
|
|
Wiz_NoPrinting(FALSE);
|
|
return FALSE;
|
|
}
|
|
|
|
sz = malloc(patternLen + 3); /* add two in case doing whole words only */
|
|
if (cmd > 1) {
|
|
strcpy(sz, " ");
|
|
strcat(sz, pattern);
|
|
strcat(sz, " ");
|
|
} else
|
|
strcpy(sz, pattern);
|
|
|
|
if ((cmd == 0) || (cmd == 2)) {
|
|
for (i = 0; i < strlen(sz); i++)
|
|
sz[i] = toupper(sz[i]);
|
|
for (i = 0; i < retstr.strlength; i++)
|
|
retstr.strptr[i] = toupper(retstr.strptr[i]);
|
|
}
|
|
|
|
for (i = 0; i < (retstr.strlength - patternLen); i++) {
|
|
p = &retstr.strptr[i];
|
|
compare = TRUE;
|
|
for (j = 0; j < patternLen; j++) {
|
|
/* We cannot do strncmp here, as we may be dealing with a
|
|
* "binary" file, such as a word processing file, or perhaps
|
|
* even a true executable of some sort. */
|
|
if (p[j] != sz[j]) {
|
|
compare = FALSE;
|
|
break;
|
|
}
|
|
}
|
|
if (compare == TRUE) {
|
|
retcode = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
free(sz);
|
|
free(retstr.strptr);
|
|
Wiz_NoPrinting(FALSE); /* Turn printing back on */
|
|
return retcode;
|
|
}
|
|
#endif /* !__16BIT__ */
|
|
|
|
int WINAPI Wiz_Validate(LPSTR archive, int AllCodes)
|
|
{
|
|
return UzpValidate((char *)archive, AllCodes);
|
|
}
|
|
|
|
#endif /* !SFX */
|