diff options
Diffstat (limited to 'zlib/contrib/minizip/miniunz.c')
| -rw-r--r-- | zlib/contrib/minizip/miniunz.c | 660 |
1 files changed, 660 insertions, 0 deletions
diff --git a/zlib/contrib/minizip/miniunz.c b/zlib/contrib/minizip/miniunz.c new file mode 100644 index 0000000..3d65401b --- /dev/null +++ b/zlib/contrib/minizip/miniunz.c @@ -0,0 +1,660 @@ +/* + miniunz.c + Version 1.1, February 14h, 2010 + sample part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) + + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) + + Modifications of Unzip for Zip64 + Copyright (C) 2007-2008 Even Rouault + + Modifications for Zip64 support on both zip and unzip + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) +*/ + +#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__)) + #ifndef __USE_FILE_OFFSET64 + #define __USE_FILE_OFFSET64 + #endif + #ifndef __USE_LARGEFILE64 + #define __USE_LARGEFILE64 + #endif + #ifndef _LARGEFILE64_SOURCE + #define _LARGEFILE64_SOURCE + #endif + #ifndef _FILE_OFFSET_BIT + #define _FILE_OFFSET_BIT 64 + #endif +#endif + +#ifdef __APPLE__ +// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions +#define FOPEN_FUNC(filename, mode) fopen(filename, mode) +#define FTELLO_FUNC(stream) ftello(stream) +#define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin) +#else +#define FOPEN_FUNC(filename, mode) fopen64(filename, mode) +#define FTELLO_FUNC(stream) ftello64(stream) +#define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin) +#endif + + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <errno.h> +#include <fcntl.h> + +#ifdef _WIN32 +# include <direct.h> +# include <io.h> +#else +# include <unistd.h> +# include <utime.h> +#endif + + +#include "unzip.h" + +#define CASESENSITIVITY (0) +#define WRITEBUFFERSIZE (8192) +#define MAXFILENAME (256) + +#ifdef _WIN32 +#define USEWIN32IOAPI +#include "iowin32.h" +#endif +/* + mini unzip, demo of unzip package + + usage : + Usage : miniunz [-exvlo] file.zip [file_to_extract] [-d extractdir] + + list the file in the zipfile, and print the content of FILE_ID.ZIP or README.TXT + if it exists +*/ + + +/* change_file_date : change the date/time of a file + filename : the filename of the file where date/time must be modified + dosdate : the new date at the MSDos format (4 bytes) + tmu_date : the SAME new date at the tm_unz format */ +void change_file_date(filename,dosdate,tmu_date) + const char *filename; + uLong dosdate; + tm_unz tmu_date; +{ +#ifdef _WIN32 + HANDLE hFile; + FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite; + + hFile = CreateFileA(filename,GENERIC_READ | GENERIC_WRITE, + 0,NULL,OPEN_EXISTING,0,NULL); + GetFileTime(hFile,&ftCreate,&ftLastAcc,&ftLastWrite); + DosDateTimeToFileTime((WORD)(dosdate>>16),(WORD)dosdate,&ftLocal); + LocalFileTimeToFileTime(&ftLocal,&ftm); + SetFileTime(hFile,&ftm,&ftLastAcc,&ftm); + CloseHandle(hFile); +#else +#ifdef unix || __APPLE__ + struct utimbuf ut; + struct tm newdate; + newdate.tm_sec = tmu_date.tm_sec; + newdate.tm_min=tmu_date.tm_min; + newdate.tm_hour=tmu_date.tm_hour; + newdate.tm_mday=tmu_date.tm_mday; + newdate.tm_mon=tmu_date.tm_mon; + if (tmu_date.tm_year > 1900) + newdate.tm_year=tmu_date.tm_year - 1900; + else + newdate.tm_year=tmu_date.tm_year ; + newdate.tm_isdst=-1; + + ut.actime=ut.modtime=mktime(&newdate); + utime(filename,&ut); +#endif +#endif +} + + +/* mymkdir and change_file_date are not 100 % portable + As I don't know well Unix, I wait feedback for the unix portion */ + +int mymkdir(dirname) + const char* dirname; +{ + int ret=0; +#ifdef _WIN32 + ret = _mkdir(dirname); +#elif unix + ret = mkdir (dirname,0775); +#elif __APPLE__ + ret = mkdir (dirname,0775); +#endif + return ret; +} + +int makedir (newdir) + char *newdir; +{ + char *buffer ; + char *p; + int len = (int)strlen(newdir); + + if (len <= 0) + return 0; + + buffer = (char*)malloc(len+1); + if (buffer==NULL) + { + printf("Error allocating memory\n"); + return UNZ_INTERNALERROR; + } + strcpy(buffer,newdir); + + if (buffer[len-1] == '/') { + buffer[len-1] = '\0'; + } + if (mymkdir(buffer) == 0) + { + free(buffer); + return 1; + } + + p = buffer+1; + while (1) + { + char hold; + + while(*p && *p != '\\' && *p != '/') + p++; + hold = *p; + *p = 0; + if ((mymkdir(buffer) == -1) && (errno == ENOENT)) + { + printf("couldn't create directory %s\n",buffer); + free(buffer); + return 0; + } + if (hold == 0) + break; + *p++ = hold; + } + free(buffer); + return 1; +} + +void do_banner() +{ + printf("MiniUnz 1.01b, demo of zLib + Unz package written by Gilles Vollant\n"); + printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n"); +} + +void do_help() +{ + printf("Usage : miniunz [-e] [-x] [-v] [-l] [-o] [-p password] file.zip [file_to_extr.] [-d extractdir]\n\n" \ + " -e Extract without pathname (junk paths)\n" \ + " -x Extract with pathname\n" \ + " -v list files\n" \ + " -l list files\n" \ + " -d directory to extract into\n" \ + " -o overwrite files without prompting\n" \ + " -p extract crypted file using password\n\n"); +} + +void Display64BitsSize(ZPOS64_T n, int size_char) +{ + /* to avoid compatibility problem , we do here the conversion */ + char number[21]; + int offset=19; + int pos_string = 19; + number[20]=0; + for (;;) { + number[offset]=(char)((n%10)+'0'); + if (number[offset] != '0') + pos_string=offset; + n/=10; + if (offset==0) + break; + offset--; + } + { + int size_display_string = 19-pos_string; + while (size_char > size_display_string) + { + size_char--; + printf(" "); + } + } + + printf("%s",&number[pos_string]); +} + +int do_list(uf) + unzFile uf; +{ + uLong i; + unz_global_info64 gi; + int err; + + err = unzGetGlobalInfo64(uf,&gi); + if (err!=UNZ_OK) + printf("error %d with zipfile in unzGetGlobalInfo \n",err); + printf(" Length Method Size Ratio Date Time CRC-32 Name\n"); + printf(" ------ ------ ---- ----- ---- ---- ------ ----\n"); + for (i=0;i<gi.number_entry;i++) + { + char filename_inzip[256]; + unz_file_info64 file_info; + uLong ratio=0; + const char *string_method; + char charCrypt=' '; + err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0); + if (err!=UNZ_OK) + { + printf("error %d with zipfile in unzGetCurrentFileInfo\n",err); + break; + } + if (file_info.uncompressed_size>0) + ratio = (uLong)((file_info.compressed_size*100)/file_info.uncompressed_size); + + /* display a '*' if the file is crypted */ + if ((file_info.flag & 1) != 0) + charCrypt='*'; + + if (file_info.compression_method==0) + string_method="Stored"; + else + if (file_info.compression_method==Z_DEFLATED) + { + uInt iLevel=(uInt)((file_info.flag & 0x6)/2); + if (iLevel==0) + string_method="Defl:N"; + else if (iLevel==1) + string_method="Defl:X"; + else if ((iLevel==2) || (iLevel==3)) + string_method="Defl:F"; /* 2:fast , 3 : extra fast*/ + } + else + if (file_info.compression_method==Z_BZIP2ED) + { + string_method="BZip2 "; + } + else + string_method="Unkn. "; + + Display64BitsSize(file_info.uncompressed_size,7); + printf(" %6s%c",string_method,charCrypt); + Display64BitsSize(file_info.compressed_size,7); + printf(" %3lu%% %2.2lu-%2.2lu-%2.2lu %2.2lu:%2.2lu %8.8lx %s\n", + ratio, + (uLong)file_info.tmu_date.tm_mon + 1, + (uLong)file_info.tmu_date.tm_mday, + (uLong)file_info.tmu_date.tm_year % 100, + (uLong)file_info.tmu_date.tm_hour,(uLong)file_info.tmu_date.tm_min, + (uLong)file_info.crc,filename_inzip); + if ((i+1)<gi.number_entry) + { + err = unzGoToNextFile(uf); + if (err!=UNZ_OK) + { + printf("error %d with zipfile in unzGoToNextFile\n",err); + break; + } + } + } + + return 0; +} + + +int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password) + unzFile uf; + const int* popt_extract_without_path; + int* popt_overwrite; + const char* password; +{ + char filename_inzip[256]; + char* filename_withoutpath; + char* p; + int err=UNZ_OK; + FILE *fout=NULL; + void* buf; + uInt size_buf; + + unz_file_info64 file_info; + uLong ratio=0; + err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0); + + if (err!=UNZ_OK) + { + printf("error %d with zipfile in unzGetCurrentFileInfo\n",err); + return err; + } + + size_buf = WRITEBUFFERSIZE; + buf = (void*)malloc(size_buf); + if (buf==NULL) + { + printf("Error allocating memory\n"); + return UNZ_INTERNALERROR; + } + + p = filename_withoutpath = filename_inzip; + while ((*p) != '\0') + { + if (((*p)=='/') || ((*p)=='\\')) + filename_withoutpath = p+1; + p++; + } + + if ((*filename_withoutpath)=='\0') + { + if ((*popt_extract_without_path)==0) + { + printf("creating directory: %s\n",filename_inzip); + mymkdir(filename_inzip); + } + } + else + { + const char* write_filename; + int skip=0; + + if ((*popt_extract_without_path)==0) + write_filename = filename_inzip; + else + write_filename = filename_withoutpath; + + err = unzOpenCurrentFilePassword(uf,password); + if (err!=UNZ_OK) + { + printf("error %d with zipfile in unzOpenCurrentFilePassword\n",err); + } + + if (((*popt_overwrite)==0) && (err==UNZ_OK)) + { + char rep=0; + FILE* ftestexist; + ftestexist = FOPEN_FUNC(write_filename,"rb"); + if (ftestexist!=NULL) + { + fclose(ftestexist); + do + { + char answer[128]; + int ret; + + printf("The file %s exists. Overwrite ? [y]es, [n]o, [A]ll: ",write_filename); + ret = scanf("%1s",answer); + if (ret != 1) + { + exit(EXIT_FAILURE); + } + rep = answer[0] ; + if ((rep>='a') && (rep<='z')) + rep -= 0x20; + } + while ((rep!='Y') && (rep!='N') && (rep!='A')); + } + + if (rep == 'N') + skip = 1; + + if (rep == 'A') + *popt_overwrite=1; + } + + if ((skip==0) && (err==UNZ_OK)) + { + fout=FOPEN_FUNC(write_filename,"wb"); + /* some zipfile don't contain directory alone before file */ + if ((fout==NULL) && ((*popt_extract_without_path)==0) && + (filename_withoutpath!=(char*)filename_inzip)) + { + char c=*(filename_withoutpath-1); + *(filename_withoutpath-1)='\0'; + makedir(write_filename); + *(filename_withoutpath-1)=c; + fout=FOPEN_FUNC(write_filename,"wb"); + } + + if (fout==NULL) + { + printf("error opening %s\n",write_filename); + } + } + + if (fout!=NULL) + { + printf(" extracting: %s\n",write_filename); + + do + { + err = unzReadCurrentFile(uf,buf,size_buf); + if (err<0) + { + printf("error %d with zipfile in unzReadCurrentFile\n",err); + break; + } + if (err>0) + if (fwrite(buf,err,1,fout)!=1) + { + printf("error in writing extracted file\n"); + err=UNZ_ERRNO; + break; + } + } + while (err>0); + if (fout) + fclose(fout); + + if (err==0) + change_file_date(write_filename,file_info.dosDate, + file_info.tmu_date); + } + + if (err==UNZ_OK) + { + err = unzCloseCurrentFile (uf); + if (err!=UNZ_OK) + { + printf("error %d with zipfile in unzCloseCurrentFile\n",err); + } + } + else + unzCloseCurrentFile(uf); /* don't lose the error */ + } + + free(buf); + return err; +} + + +int do_extract(uf,opt_extract_without_path,opt_overwrite,password) + unzFile uf; + int opt_extract_without_path; + int opt_overwrite; + const char* password; +{ + uLong i; + unz_global_info64 gi; + int err; + FILE* fout=NULL; + + err = unzGetGlobalInfo64(uf,&gi); + if (err!=UNZ_OK) + printf("error %d with zipfile in unzGetGlobalInfo \n",err); + + for (i=0;i<gi.number_entry;i++) + { + if (do_extract_currentfile(uf,&opt_extract_without_path, + &opt_overwrite, + password) != UNZ_OK) + break; + + if ((i+1)<gi.number_entry) + { + err = unzGoToNextFile(uf); + if (err!=UNZ_OK) + { + printf("error %d with zipfile in unzGoToNextFile\n",err); + break; + } + } + } + + return 0; +} + +int do_extract_onefile(uf,filename,opt_extract_without_path,opt_overwrite,password) + unzFile uf; + const char* filename; + int opt_extract_without_path; + int opt_overwrite; + const char* password; +{ + int err = UNZ_OK; + if (unzLocateFile(uf,filename,CASESENSITIVITY)!=UNZ_OK) + { + printf("file %s not found in the zipfile\n",filename); + return 2; + } + + if (do_extract_currentfile(uf,&opt_extract_without_path, + &opt_overwrite, + password) == UNZ_OK) + return 0; + else + return 1; +} + + +int main(argc,argv) + int argc; + char *argv[]; +{ + const char *zipfilename=NULL; + const char *filename_to_extract=NULL; + const char *password=NULL; + char filename_try[MAXFILENAME+16] = ""; + int i; + int ret_value=0; + int opt_do_list=0; + int opt_do_extract=1; + int opt_do_extract_withoutpath=0; + int opt_overwrite=0; + int opt_extractdir=0; + const char *dirname=NULL; + unzFile uf=NULL; + + do_banner(); + if (argc==1) + { + do_help(); + return 0; + } + else + { + for (i=1;i<argc;i++) + { + if ((*argv[i])=='-') + { + const char *p=argv[i]+1; + + while ((*p)!='\0') + { + char c=*(p++);; + if ((c=='l') || (c=='L')) + opt_do_list = 1; + if ((c=='v') || (c=='V')) + opt_do_list = 1; + if ((c=='x') || (c=='X')) + opt_do_extract = 1; + if ((c=='e') || (c=='E')) + opt_do_extract = opt_do_extract_withoutpath = 1; + if ((c=='o') || (c=='O')) + opt_overwrite=1; + if ((c=='d') || (c=='D')) + { + opt_extractdir=1; + dirname=argv[i+1]; + } + + if (((c=='p') || (c=='P')) && (i+1<argc)) + { + password=argv[i+1]; + i++; + } + } + } + else + { + if (zipfilename == NULL) + zipfilename = argv[i]; + else if ((filename_to_extract==NULL) && (!opt_extractdir)) + filename_to_extract = argv[i] ; + } + } + } + + if (zipfilename!=NULL) + { + +# ifdef USEWIN32IOAPI + zlib_filefunc64_def ffunc; +# endif + + strncpy(filename_try, zipfilename,MAXFILENAME-1); + /* strncpy doesnt append the trailing NULL, of the string is too long. */ + filename_try[ MAXFILENAME ] = '\0'; + +# ifdef USEWIN32IOAPI + fill_win32_filefunc64A(&ffunc); + uf = unzOpen2_64(zipfilename,&ffunc); +# else + uf = unzOpen64(zipfilename); +# endif + if (uf==NULL) + { + strcat(filename_try,".zip"); +# ifdef USEWIN32IOAPI + uf = unzOpen2_64(filename_try,&ffunc); +# else + uf = unzOpen64(filename_try); +# endif + } + } + + if (uf==NULL) + { + printf("Cannot open %s or %s.zip\n",zipfilename,zipfilename); + return 1; + } + printf("%s opened\n",filename_try); + + if (opt_do_list==1) + ret_value = do_list(uf); + else if (opt_do_extract==1) + { +#ifdef _WIN32 + if (opt_extractdir && _chdir(dirname)) +#else + if (opt_extractdir && chdir(dirname)) +#endif + { + printf("Error changing into %s, aborting\n", dirname); + exit(-1); + } + + if (filename_to_extract == NULL) + ret_value = do_extract(uf, opt_do_extract_withoutpath, opt_overwrite, password); + else + ret_value = do_extract_onefile(uf, filename_to_extract, opt_do_extract_withoutpath, opt_overwrite, password); + } + + unzClose(uf); + + return ret_value; +} |