/* $NetBSD: minizip.c,v 1.1.1.1 2006/01/14 20:10:58 christos Exp $ */ /* minizip.c Version 1.01e, February 12th, 2005 Copyright (C) 1998-2005 Gilles Vollant */ #include #include #include #include #include #include #ifdef unix # include # include # include # include #else # include # include #endif #include "zip.h" #ifdef WIN32 #define USEWIN32IOAPI #include "iowin32.h" #endif #define WRITEBUFFERSIZE (16384) #define MAXFILENAME (256) #ifdef WIN32 uLong filetime(f, tmzip, dt) char *f; /* name of file to get info on */ tm_zip *tmzip; /* return value: access, modific. and creation times */ uLong *dt; /* dostime */ { int ret = 0; { FILETIME ftLocal; HANDLE hFind; WIN32_FIND_DATA ff32; hFind = FindFirstFile(f,&ff32); if (hFind != INVALID_HANDLE_VALUE) { FileTimeToLocalFileTime(&(ff32.ftLastWriteTime),&ftLocal); FileTimeToDosDateTime(&ftLocal,((LPWORD)dt)+1,((LPWORD)dt)+0); FindClose(hFind); ret = 1; } } return ret; } #else #ifdef unix uLong filetime(f, tmzip, dt) char *f; /* name of file to get info on */ tm_zip *tmzip; /* return value: access, modific. and creation times */ uLong *dt; /* dostime */ { int ret=0; struct stat s; /* results of stat() */ struct tm* filedate; time_t tm_t=0; if (strcmp(f,"-")!=0) { char name[MAXFILENAME+1]; int len = strlen(f); if (len > MAXFILENAME) len = MAXFILENAME; strncpy(name, f,MAXFILENAME-1); /* strncpy doesnt append the trailing NULL, of the string is too long. */ name[ MAXFILENAME ] = '\0'; if (name[len - 1] == '/') name[len - 1] = '\0'; /* not all systems allow stat'ing a file with / appended */ if (stat(name,&s)==0) { tm_t = s.st_mtime; ret = 1; } } filedate = localtime(&tm_t); tmzip->tm_sec = filedate->tm_sec; tmzip->tm_min = filedate->tm_min; tmzip->tm_hour = filedate->tm_hour; tmzip->tm_mday = filedate->tm_mday; tmzip->tm_mon = filedate->tm_mon ; tmzip->tm_year = filedate->tm_year; return ret; } #else uLong filetime(f, tmzip, dt) char *f; /* name of file to get info on */ tm_zip *tmzip; /* return value: access, modific. and creation times */ uLong *dt; /* dostime */ { return 0; } #endif #endif int check_exist_file(filename) const char* filename; { FILE* ftestexist; int ret = 1; ftestexist = fopen(filename,"rb"); if (ftestexist==NULL) ret = 0; else fclose(ftestexist); return ret; } void do_banner() { printf("MiniZip 1.01b, demo of zLib + Zip package written by Gilles Vollant\n"); printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n"); } void do_help() { printf("Usage : minizip [-o] [-a] [-0 to -9] [-p password] file.zip [files_to_add]\n\n" \ " -o Overwrite existing file.zip\n" \ " -a Append to existing file.zip\n" \ " -0 Store only\n" \ " -1 Compress faster\n" \ " -9 Compress better\n\n"); } /* calculate the CRC32 of a file, because to encrypt a file, we need known the CRC32 of the file before */ int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigned long* result_crc) { unsigned long calculate_crc=0; int err=ZIP_OK; FILE * fin = fopen(filenameinzip,"rb"); unsigned long size_read = 0; unsigned long total_read = 0; if (fin==NULL) { err = ZIP_ERRNO; } if (err == ZIP_OK) do { err = ZIP_OK; size_read = (int)fread(buf,1,size_buf,fin); if (size_read < size_buf) if (feof(fin)==0) { printf("error in reading %s\n",filenameinzip); err = ZIP_ERRNO; } if (size_read>0) calculate_crc = crc32(calculate_crc,buf,size_read); total_read += size_read; } while ((err == ZIP_OK) && (size_read>0)); if (fin) fclose(fin); *result_crc=calculate_crc; printf("file %s crc %x\n",filenameinzip,calculate_crc); return err; } int main(argc,argv) int argc; char *argv[]; { int i; int opt_overwrite=0; int opt_compress_level=Z_DEFAULT_COMPRESSION; int zipfilenamearg = 0; char filename_try[MAXFILENAME+16]; int zipok; int err=0; int size_buf=0; void* buf=NULL; const char* password=NULL; do_banner(); if (argc==1) { do_help(); return 0; } else { for (i=1;i='0') && (c<='9')) opt_compress_level = c-'0'; if (((c=='p') || (c=='P')) && (i+1='a') && (rep<='z')) rep -= 0x20; } while ((rep!='Y') && (rep!='N') && (rep!='A')); if (rep=='N') zipok = 0; if (rep=='A') opt_overwrite = 2; } } if (zipok==1) { zipFile zf; int errclose; # ifdef USEWIN32IOAPI zlib_filefunc_def ffunc; fill_win32_filefunc(&ffunc); zf = zipOpen2(filename_try,(opt_overwrite==2) ? 2 : 0,NULL,&ffunc); # else zf = zipOpen(filename_try,(opt_overwrite==2) ? 2 : 0); # endif if (zf == NULL) { printf("error opening %s\n",filename_try); err= ZIP_ERRNO; } else printf("creating %s\n",filename_try); for (i=zipfilenamearg+1;(i='0') || (argv[i][1]<='9'))) && (strlen(argv[i]) == 2))) { FILE * fin; int size_read; const char* filenameinzip = argv[i]; zip_fileinfo zi; unsigned long crcFile=0; zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour = zi.tmz_date.tm_mday = zi.tmz_date.tm_mon = zi.tmz_date.tm_year = 0; zi.dosDate = 0; zi.internal_fa = 0; zi.external_fa = 0; filetime(filenameinzip,&zi.tmz_date,&zi.dosDate); /* err = zipOpenNewFileInZip(zf,filenameinzip,&zi, NULL,0,NULL,0,NULL / * comment * /, (opt_compress_level != 0) ? Z_DEFLATED : 0, opt_compress_level); */ if ((password != NULL) && (err==ZIP_OK)) err = getFileCrc(filenameinzip,buf,size_buf,&crcFile); err = zipOpenNewFileInZip3(zf,filenameinzip,&zi, NULL,0,NULL,0,NULL /* comment*/, (opt_compress_level != 0) ? Z_DEFLATED : 0, opt_compress_level,0, /* -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, */ -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, password,crcFile); if (err != ZIP_OK) printf("error in opening %s in zipfile\n",filenameinzip); else { fin = fopen(filenameinzip,"rb"); if (fin==NULL) { err=ZIP_ERRNO; printf("error in opening %s for reading\n",filenameinzip); } } if (err == ZIP_OK) do { err = ZIP_OK; size_read = (int)fread(buf,1,size_buf,fin); if (size_read < size_buf) if (feof(fin)==0) { printf("error in reading %s\n",filenameinzip); err = ZIP_ERRNO; } if (size_read>0) { err = zipWriteInFileInZip (zf,buf,size_read); if (err<0) { printf("error in writing %s in the zipfile\n", filenameinzip); } } } while ((err == ZIP_OK) && (size_read>0)); if (fin) fclose(fin); if (err<0) err=ZIP_ERRNO; else { err = zipCloseFileInZip(zf); if (err!=ZIP_OK) printf("error in closing %s in the zipfile\n", filenameinzip); } } } errclose = zipClose(zf,NULL); if (errclose != ZIP_OK) printf("error in closing %s\n",filename_try); } else { do_help(); } free(buf); return 0; }