tandem.c
资源名称:unzip540.zip [点击查看]
上传用户:andy_li
上传日期:2007-01-06
资源大小:1019k
文件大小:43k
源码类别:
压缩解压
开发平台:
MultiPlatform
- /*
- * routines common to TANDEM
- */
- #define UNZIP_INTERNAL
- #include "unzip.h"
- #include <tal.h>
- #include "$system.zsysdefs.zsysc" nolist
- #include <cextdecs(FILE_GETINFOLISTBYNAME_,
- FILENAME_SCAN_,
- INTERPRETTIMESTAMP,
- CONVERTTIMESTAMP
- )>
- #include <cextdecs(FILENAME_FINDSTART_,
- FILENAME_FINDNEXT_,
- FILENAME_FINDFINISH_
- )>
- #include <cextdecs(SETMODE)>
- #ifdef LICENSED
- #include <cextdecs(COMPUTETIMESTAMP,
- PROCESS_GETINFO_,
- PROCESS_GETINFOLIST_,
- PROCESSHANDLE_NULLIT_
- )>
- #endif /* LICENSED */
- char *in2ex OF((char *));
- void zexit(status)
- int status;
- {
- terminate_program (0,0,status,,,); /* Exit(>0) creates saveabend files */
- }
- #ifdef fopen
- # undef fopen
- #endif
- FILE *zipopen(fname, opt)
- const char *fname;
- const char *opt;
- {
- int fdesc, fnum, err;
- if (strcmp(opt,FOPW) == 0)
- if ((fdesc = creat(fname,,100,500)) != -1) {
- fnum = fdtogfn(fdesc);
- err = SETMODE(fnum, SET_FILE_BUFFERSIZE, TANDEM_BLOCKSIZE);
- err = SETMODE(fnum, SET_FILE_BUFFERED, 0, 0);
- err = SETMODE(fnum, SET_FILE_BUFFERED, 0, 1);
- err = close(fdesc);
- }
- return fopen(fname,opt);
- }
- #define fopen zipopen
- #ifdef putc
- # undef putc
- #endif
- int zputc(ch, fptr)
- int ch;
- FILE *fptr;
- {
- int err;
- err = putc(ch,fptr);
- fflush(fptr);
- return err;
- }
- #define putc zputc
- #ifdef LICENSED
- _tal _priv short FILE_CHANGELABEL_ (
- short, /* IN */
- short, /* IN */
- short _far * /* IN */
- );
- _c _callable int changelabel OF((short, const short *, const short *));
- _c _callable int changelabel(fnum, modtime, actime)
- short fnum;
- const short *modtime;
- const short *actime;
- {
- int err;
- err = FILE_CHANGELABEL_(fnum, 16, modtime);
- if (!err)
- err = FILE_CHANGELABEL_(fnum, 17, actime);
- return err;
- }
- int islicensed OF((void));
- int islicensed(void)
- {
- #define plist_items 1
- #define plist_size 10
- short myphandle[ZSYS_VAL_PHANDLE_WLEN];
- short licensetag[plist_items] = {37};
- short licensed[plist_size];
- short maxlen = plist_size;
- short items = plist_items;
- short resultlen[1], err;
- err = PROCESSHANDLE_NULLIT_(myphandle);
- if (!err)
- err = PROCESS_GETINFO_(myphandle);
- if (!err)
- err = PROCESS_GETINFOLIST_(/*cpu*/,
- /*pin*/,
- /*nodename*/,
- /*nodenamelen*/,
- myphandle,
- licensetag,
- items,
- licensed,
- maxlen,
- resultlen
- );
- if (err != 0)
- return 0;
- else
- return licensed[0];
- }
- #endif /* LICENSED */
- int utime OF((const char *, const ztimbuf *));
- int utime(file, time)
- const char *file;
- const ztimbuf *time;
- {
- #ifdef LICENSED
- int fdesc, result, err;
- union timestamp_ov {
- long long fulltime;
- short wordtime[4];
- };
- union timestamp_ov lasttime, opentime;
- struct tm *modt, *opent;
- short datetime[8], errormask[1], fnum;
- if (islicensed() ) {
- /* Attempt to update file label */
- modt = gmtime( &time->modtime );
- datetime[0] = modt->tm_year + 1900;
- datetime[1] = modt->tm_mon + 1;
- datetime[2] = modt->tm_mday;
- datetime[3] = modt->tm_hour;
- datetime[4] = modt->tm_min;
- datetime[5] = modt->tm_sec;
- datetime[6] = datetime[7] = 0;
- errormask[0] = 0;
- lasttime.fulltime = COMPUTETIMESTAMP (datetime, errormask);
- opent = gmtime( &time->actime );
- datetime[0] = opent->tm_year + 1900;
- datetime[1] = opent->tm_mon + 1;
- datetime[2] = opent->tm_mday;
- datetime[3] = opent->tm_hour;
- datetime[4] = opent->tm_min;
- datetime[5] = opent->tm_sec;
- datetime[6] = datetime[7] = 0;
- errormask[0] = 0;
- opentime.fulltime = COMPUTETIMESTAMP (datetime, errormask);
- fdesc = open(file, O_WRONLY);
- fnum = fdtogfn(fdesc);
- result = changelabel(fnum,lasttime.wordtime,opentime.wordtime);
- err = close(fdesc);
- return result;
- }
- return -1;
- #else /* !LICENSED */
- return 0; /* "no error", to suppress annoying failure messages */
- #endif /* ?LICENSED */
- }
- /* TANDEM version of chmod() function */
- int chmod(file, unix_sec)
- const char *file;
- mode_t unix_sec;
- {
- FILE *stream;
- struct nsk_sec_type {
- unsigned progid : 1;
- unsigned clear : 1;
- unsigned null : 2;
- unsigned read : 3;
- unsigned write : 3;
- unsigned execute: 3;
- unsigned purge : 3;
- };
- union nsk_sec_ov {
- struct nsk_sec_type bit_ov;
- short int_ov;
- };
- union nsk_sec_ov nsk_sec;
- short fnum, fdes, err, nsk_sec_int;
- nsk_sec.bit_ov.progid = 0;
- nsk_sec.bit_ov.clear = 0;
- nsk_sec.bit_ov.null = 0;
- /* 4="N", 5="C", 6="U", 7="-" */
- if (unix_sec & S_IROTH) nsk_sec.bit_ov.read = 4;
- else if (unix_sec & S_IRGRP) nsk_sec.bit_ov.read = 5;
- else if (unix_sec & S_IRUSR) nsk_sec.bit_ov.read = 6;
- else nsk_sec.bit_ov.read = 7;
- if (unix_sec & S_IWOTH) nsk_sec.bit_ov.write = 4;
- else if (unix_sec & S_IWGRP) nsk_sec.bit_ov.write = 5;
- else if (unix_sec & S_IWUSR) nsk_sec.bit_ov.write = 6;
- else nsk_sec.bit_ov.write = 7;
- if (unix_sec & S_IXOTH) nsk_sec.bit_ov.execute = 4;
- else if (unix_sec & S_IXGRP) nsk_sec.bit_ov.execute = 5;
- else if (unix_sec & S_IXUSR) nsk_sec.bit_ov.execute = 6;
- else nsk_sec.bit_ov.execute = 7;
- nsk_sec.bit_ov.purge = nsk_sec.bit_ov.write;
- nsk_sec_int = nsk_sec.int_ov;
- if ((fdes = open(file, (O_EXCLUSIVE | O_RDONLY))) == -1)
- return -1;
- fnum = fdtogfn(fdes);
- err = SETMODE(fnum, SET_FILE_SECURITY, nsk_sec_int);
- close(fdes);
- return (err != 0 ? -1 : 0);
- }
- /* TANDEM version of chown() function */
- int chown(file, uid, gid)
- const char *file;
- uid_t uid;
- gid_t gid;
- {
- FILE *stream;
- struct nsk_own_type {
- unsigned group : 8;
- unsigned user : 8;
- };
- union nsk_own_ov {
- struct nsk_own_type bit_ov;
- short int_ov;
- };
- union nsk_own_ov nsk_own;
- short fnum, fdes, err, nsk_own_int;
- nsk_own.bit_ov.group = gid;
- nsk_own.bit_ov.user = uid;
- nsk_own_int = nsk_own.int_ov;
- if ((fdes = open(file, (O_EXCLUSIVE | O_RDONLY))) == -1)
- return -1;
- fnum = fdtogfn(fdes);
- err = SETMODE(fnum, SET_FILE_OWNER, nsk_own_int);
- close(fdes);
- return (err != 0 ? -1 : 0);
- }
- /* TANDEM version of stat() function */
- time_t gmt_to_time_t (long long *);
- time_t gmt_to_time_t (gmt)
- long long *gmt;
- {
- #define GMT_TO_LCT 0;
- #define GMT_TO_LST 1;
- struct tm temp_tm;
- short date_time[8];
- long julian_dayno;
- long long lct, lst, itime;
- short err[1], type;
- type = GMT_TO_LCT;
- lct = CONVERTTIMESTAMP(*gmt, type,, err);
- if (!err[0]) {
- type = GMT_TO_LST;
- lst = CONVERTTIMESTAMP(*gmt, type,, err);
- }
- itime = (err[0] ? *gmt : lct);
- temp_tm.tm_isdst = (err[0] ? -1 : ((lct == lst) ? 0 : 1));
- julian_dayno = INTERPRETTIMESTAMP (itime, date_time);
- temp_tm.tm_sec = date_time[5];
- temp_tm.tm_min = date_time[4];
- temp_tm.tm_hour = date_time[3];
- temp_tm.tm_mday = date_time[2];
- temp_tm.tm_mon = date_time[1] - 1; /* C's so sad */
- temp_tm.tm_year = date_time[0] - 1900; /* it's almost funny */
- return (mktime(&temp_tm));
- }
- short parsename( const char *, char *, char * );
- short parsename(srce, fname, ext)
- const char *srce;
- char *fname;
- char *ext;
- {
- /* As a way of supporting DOS extensions from Tandem we look for a space
- separated extension string after the Guardian filename
- e.g. ZIP ZIPFILE "$DATA4.TESTING.INVOICE TXT"
- */
- char *fstart;
- char *fptr;
- short extension = 0;
- *fname = *ext = ' '; /* set to null string */
- fstart = (char *) srce;
- if ((fptr = strrchr(fstart, TANDEM_EXTENSION)) != NULL) {
- extension = 1;
- fptr++;
- strncat(ext, fptr, _min(EXTENSION_MAX, strlen(fptr)));
- fptr = strchr(fstart, TANDEM_EXTENSION); /* End of filename */
- strncat(fname, fstart, _min(FILENAME_MAX, (fptr - fstart)));
- }
- else {
- /* just copy string */
- strncat(fname, srce, _min(FILENAME_MAX, strlen(srce)));
- }
- return extension;
- }
- int stat(n, s)
- const char *n;
- struct stat *s;
- {
- #define flist_items 14
- #define flist_size 200
- short err, i, extension;
- char fname[FILENAME_MAX + 1];
- short fnamelen;
- char ext[EXTENSION_MAX + 1];
- /* #0 #1 #2 #3 #4 #5 #6 #7 #8 #9 #10 #11 #12 #13 */
- /*short ilist[flist_items]={62,117,145,142,58,41,42,30,31,75, 78, 79, 60,119}*/
- short ilist[flist_items]={62, 56,144,142,58,41,42,30,31,75, 78, 79, 60, 54};
- short ilen[flist_items] ={ 2, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4};
- short ioff[flist_items];
- short flist[flist_size];
- short extra[2];
- short *rlen=&extra[0];
- short *err_item=&extra[1];
- unsigned short *fowner;
- unsigned short *fprogid;
- char *fsec;
- short end, count, kind, level, options, searchid;
- short info[5];
- /* Initialise stat structure */
- s->st_dev = _S_GUARDIANOBJECT;
- s->st_ino = 0;
- s->st_nlink = 0;
- s->st_rdev = 0;
- s->st_uid = s->st_gid = 0;
- s->st_size = 0;
- s->st_atime = s->st_ctime = s->st_mtime = 0;
- s->st_reserved[0] = 0;
- /* Check to see if name contains a (pseudo) file extension */
- extension = parsename (n,fname,ext);
- fnamelen = strlen(fname);
- options = 3; /* Allow Subvols and Templates */
- err = FILENAME_SCAN_( fname,
- fnamelen,
- &count,
- &kind,
- &level,
- options
- );
- /* allow kind == 2 (DEFINE names) */
- if (err != 0) return -1;
- if (kind == 1 || (kind == 0 && level < 2)) {
- /* Pattern, Subvol Name or One part Filename - lets see if it exists */
- err = FILENAME_FINDSTART_ ( &searchid,
- fname,
- fnamelen,
- ,
- DISK_DEVICE
- );
- if (err != 0) {
- end = FILENAME_FINDFINISH_ ( searchid );
- return -1;
- }
- err = FILENAME_FINDNEXT_ ( searchid,
- fname,
- FILENAME_MAX,
- &fnamelen,
- info
- );
- end = FILENAME_FINDFINISH_ ( searchid );
- if (err != 0)
- return -1; /* Non existing template, subvol or file */
- if (kind == 1 || info[2] == -1) {
- s->st_mode = S_IFDIR; /* Its an existing template or directory */
- return 0;
- }
- /* Must be a real file so drop to code below to get info on it */
- }
- err = FILE_GETINFOLISTBYNAME_( fname,
- fnamelen,
- ilist,
- flist_items,
- flist,
- flist_size,
- rlen,
- err_item
- );
- if (err != 0) return -1;
- ioff[0] = 0;
- /* Build up table of offets into result list */
- for (i=1; i < flist_items; i++)
- ioff[i] = ioff[i-1] + ilen[i-1];
- /* Setup timestamps */
- s->st_atime = gmt_to_time_t ((long long *)&flist[ioff[1]]);
- s->st_mtime = s->st_ctime = gmt_to_time_t ((long long *)&flist[ioff[2]]);
- s->st_reserved[0] = (int64_t) gmt_to_time_t ((long long *)&flist[ioff[13]]);
- s->st_size = *(off_t *)&flist[ioff[3]];
- fowner = (unsigned short *)&flist[ioff[4]];
- s->st_uid = *fowner & 0x00ff;
- s->st_gid = *fowner >> 8;
- /* Note that Purge security (fsec[3]) in NSK has no relevance to stat() */
- fsec = (char *)&flist[ioff[0]];
- fprogid = (unsigned short *)&flist[ioff[12]];
- s->st_mode = S_IFREG | /* Regular File */
- /* Parse Read Flag */
- ((fsec[0] & 0x03) == 0x00 ? S_IROTH : 0) |
- ((fsec[0] & 0x02) == 0x00 ? S_IRGRP : 0) |
- ((fsec[0] & 0x03) != 0x03 ? S_IRUSR : 0) |
- /* Parse Write Flag */
- ((fsec[1] & 0x03) == 0x00 ? S_IWOTH : 0) |
- ((fsec[1] & 0x02) == 0x00 ? S_IWGRP : 0) |
- ((fsec[1] & 0x03) != 0x03 ? S_IWUSR : 0) |
- /* Parse Execute Flag */
- ((fsec[2] & 0x03) == 0x00 ? S_IXOTH : 0) |
- ((fsec[2] & 0x02) == 0x00 ? S_IXGRP : 0) |
- ((fsec[2] & 0x03) != 0x03 ? S_IXUSR : 0) |
- /* Parse Progid */
- (*fprogid == 1 ? (S_ISUID | S_ISGID) : 0) ;
- return 0;
- }
- /* TANDEM Directory processing */
- DIR *opendir(const char *dirname)
- {
- short i, resolve;
- char sname[FILENAME_MAX + 1];
- short snamelen;
- char fname[FILENAME_MAX + 1];
- short fnamelen;
- char *p;
- short searchid, err, end;
- struct dirent *entry;
- DIR *dirp;
- char ext[EXTENSION_MAX + 1];
- short extension;
- extension = parsename(dirname, sname, ext);
- snamelen = strlen(sname);
- /* First we work out how detailed the template is...
- * e.g. If the template is DAVES*.* we want the search result
- * in the same format
- */
- p = sname;
- i = 0;
- while ((p = strchr(p, TANDEM_DELIMITER)) != NULL){
- i++;
- p++;
- };
- resolve = 2 - i;
- /* Attempt to start a filename template */
- err = FILENAME_FINDSTART_ ( &searchid,
- sname,
- snamelen,
- resolve,
- DISK_DEVICE
- );
- if (err != 0) {
- end = FILENAME_FINDFINISH_(searchid);
- return NULL;
- }
- /* Create DIR structure */
- if ((dirp = malloc(sizeof(DIR))) == NULL ) {
- end = FILENAME_FINDFINISH_(searchid);
- return NULL;
- }
- dirp->D_list = dirp->D_curpos = NULL;
- strcpy(dirp->D_path, dirname);
- while ((err = FILENAME_FINDNEXT_(searchid,
- fname,
- FILENAME_MAX,
- &fnamelen
- )
- ) == 0 ){
- /* Create space for entry */
- if ((entry = malloc (sizeof(struct dirent))) == NULL) {
- end = FILENAME_FINDFINISH_(searchid);
- return NULL;
- }
- /* Link to last entry */
- if (dirp->D_curpos == NULL)
- dirp->D_list = dirp->D_curpos = entry; /* First name */
- else {
- dirp->D_curpos->d_next = entry; /* Link */
- dirp->D_curpos = entry;
- };
- /* Add directory entry */
- *dirp->D_curpos->d_name = ' ';
- strncat(dirp->D_curpos->d_name,fname,fnamelen);
- if (extension) {
- strcat(dirp->D_curpos->d_name,TANDEM_EXTENSION_STR);
- strcat(dirp->D_curpos->d_name,ext);
- };
- dirp->D_curpos->d_next = NULL;
- };
- end = FILENAME_FINDFINISH_(searchid);
- if (err == 1) { /* Should return EOF at end of search */
- dirp->D_curpos = dirp->D_list; /* Set current pos to start */
- return dirp;
- } else
- return NULL;
- }
- struct dirent *readdir(DIR *dirp)
- {
- struct dirent *cur;
- cur = dirp->D_curpos;
- dirp->D_curpos = dirp->D_curpos->d_next;
- return cur;
- }
- void rewinddir(DIR *dirp)
- {
- dirp->D_curpos = dirp->D_list;
- }
- int closedir(DIR *dirp)
- {
- struct dirent *node;
- while (dirp->D_list != NULL) {
- node = dirp->D_list;
- dirp->D_list = dirp->D_list->d_next;
- free( node );
- }
- free( dirp );
- return 0;
- }
- static int created_dir; /* used in mapname(), checkdir() */
- static int renamed_fullpath; /* ditto */
- /**********************/
- /* Function do_wild() */ /* for porting: dir separator; match(ignore_case) */
- /**********************/
- char *do_wild(__G__ wildspec)
- __GDEF
- char *wildspec; /* only used first time on a given dir */
- {
- static DIR *dir = (DIR *)NULL;
- static char *dirname, *wildname, matchname[FILNAMSIZ];
- static int firstcall=TRUE, have_dirname, dirnamelen;
- struct dirent *file;
- static char *intname;
- int isdir = 0;
- int pdosflag = 0;
- /* Even when we're just returning wildspec, we *always* do so in
- * matchname[]--calling routine is allowed to append four characters
- * to the returned string, and wildspec may be a pointer to argv[].
- */
- if (firstcall) { /* first call: must initialize everything */
- firstcall = FALSE;
- if (!iswild(wildspec)) {
- strcpy(matchname, wildspec);
- have_dirname = FALSE;
- dir = NULL;
- return matchname;
- }
- dirnamelen = strlen(wildspec);
- if ((dirname = (char *)malloc(dirnamelen+1)) == (char *)NULL) {
- Info(slide, 0x201, ((char *)slide,
- "warning: cannot allocate wildcard buffersn"));
- strcpy(matchname, wildspec);
- return matchname; /* but maybe filespec was not a wildcard */
- }
- strcpy(dirname, wildspec);
- wildname = wildspec;
- have_dirname = FALSE;
- if ((dir = opendir(dirname)) != (DIR *)NULL) {
- while ((file = readdir(dir)) != (struct dirent *)NULL) {
- Trace((stderr, "do_wild: readdir returns %sn", file->d_name));
- if (file->d_name[0] == '.' && wildname[0] != '.')
- continue; /* Unix: '*' and '?' do not match leading dot */
- if (match(file->d_name, wildname, 0) && /* 0 == case sens. */
- /* skip "." and ".." directory entries */
- strcmp(file->d_name, ".") && strcmp(file->d_name, "..")) {
- Trace((stderr, "do_wild: match() succeedsn"));
- if (have_dirname) {
- strcpy(matchname, dirname);
- strcpy(matchname+dirnamelen, file->d_name);
- } else
- strcpy(matchname, file->d_name);
- return matchname;
- }
- }
- /* if we get to here directory is exhausted, so close it */
- closedir(dir);
- dir = (DIR *)NULL;
- }
- /* return the raw wildspec in case that works (e.g., directory not
- * searchable, but filespec was not wild and file is readable) */
- strcpy(matchname, wildspec);
- return matchname;
- }
- /* last time through, might have failed opendir but returned raw wildspec */
- if (dir == (DIR *)NULL) {
- firstcall = TRUE; /* nothing left to try--reset for new wildspec */
- if (have_dirname)
- free(dirname);
- return (char *)NULL;
- }
- /* If we've gotten this far, we've read and matched at least one entry
- * successfully (in a previous call), so dirname has been copied into
- * matchname already.
- */
- while ((file = readdir(dir)) != (struct dirent *)NULL) {
- Trace((stderr, "do_wild: readdir returns %sn", file->d_name));
- if (file->d_name[0] == '.' && wildname[0] != '.')
- continue; /* Unix: '*' and '?' do not match leading dot */
- if (match(file->d_name, wildname, 0)) { /* 0 == don't ignore case */
- if (have_dirname) {
- /* strcpy(matchname, dirname); */
- strcpy(matchname+dirnamelen, file->d_name);
- } else
- strcpy(matchname, file->d_name);
- return matchname;
- }
- }
- closedir(dir); /* have read at least one dir entry; nothing left */
- dir = (DIR *)NULL;
- firstcall = TRUE; /* reset for new wildspec */
- if (have_dirname)
- free(dirname);
- return (char *)NULL;
- } /* end function do_wild() */
- /**********************/
- /* Function mapattr() */
- /**********************/
- int mapattr(__G)
- __GDEF
- {
- ulg tmp = G.crec.external_file_attributes;
- switch (G.pInfo->hostnum) {
- case AMIGA_:
- tmp = (unsigned)(tmp>>17 & 7); /* Amiga RWE bits */
- G.pInfo->file_attr = (unsigned)(tmp<<6 | tmp<<3 | tmp);
- break;
- case UNIX_:
- case VMS_:
- case ACORN_:
- case ATARI_:
- case BEOS_:
- case QDOS_:
- case TANDEM_:
- G.pInfo->file_attr = (unsigned)(tmp >> 16);
- if (G.pInfo->file_attr != 0 || !G.extra_field) {
- return 0;
- } else {
- /* Some (non-Info-ZIP) implementations of Zip for Unix and
- VMS (and probably others ??) leave 0 in the upper 16-bit
- part of the external_file_attributes field. Instead, they
- store file permission attributes in some extra field.
- As a work-around, we search for the presence of one of
- these extra fields and fall back to the MSDOS compatible
- part of external_file_attributes if one of the known
- e.f. types has been detected.
- Later, we might implement extraction of the permission
- bits from the VMS extra field. But for now, the work-around
- should be sufficient to provide "readable" extracted files.
- (For ASI Unix e.f., an experimental remap of the e.f.
- mode value IS already provided!)
- */
- ush ebID;
- unsigned ebLen;
- uch *ef = G.extra_field;
- unsigned ef_len = G.crec.extra_field_length;
- int r = FALSE;
- while (!r && ef_len >= EB_HEADSIZE) {
- ebID = makeword(ef);
- ebLen = (unsigned)makeword(ef+EB_LEN);
- if (ebLen > (ef_len - EB_HEADSIZE))
- /* discoverd some e.f. inconsistency! */
- break;
- switch (ebID) {
- case EF_ASIUNIX:
- if (ebLen >= (EB_ASI_MODE+2)) {
- G.pInfo->file_attr =
- (unsigned)makeword(ef+(EB_HEADSIZE+EB_ASI_MODE));
- /* force stop of loop: */
- ef_len = (ebLen + EB_HEADSIZE);
- break;
- }
- /* else: fall through! */
- case EF_PKVMS:
- /* "found nondecypherable e.f. with perm. attr" */
- r = TRUE;
- default:
- break;
- }
- ef_len -= (ebLen + EB_HEADSIZE);
- ef += (ebLen + EB_HEADSIZE);
- }
- if (!r)
- return 0;
- }
- /* fall through! */
- /* all remaining cases: expand MSDOS read-only bit into write perms */
- case FS_FAT_:
- case FS_HPFS_:
- case FS_NTFS_:
- case MAC_:
- case TOPS20_:
- default:
- tmp = !(tmp & 1) << 1; /* read-only bit --> write perms bits */
- G.pInfo->file_attr = (unsigned)(0444 | tmp<<6 | tmp<<3 | tmp);
- break;
- } /* end switch (host-OS-created-by) */
- /* for originating systems with no concept of "group," "other," "system": */
- umask( (int)(tmp=umask(0)) ); /* apply mask to expanded r/w(/x) perms */
- G.pInfo->file_attr &= ~tmp;
- return 0;
- } /* end function mapattr() */
- /************************/
- /* Function mapname() */
- /************************/
- /* return 0 if no error, 1 if caution (filename */
- int mapname(__G__ renamed) /* truncated), 2 if warning (skip file because */
- __GDEF /* dir doesn't exist), 3 if error (skip file), */
- int renamed; /* or 10 if out of memory (skip file) */
- { /* [also IZ_VOL_LABEL, IZ_CREATED_DIR] */
- char pathcomp[FILNAMSIZ]; /* path-component buffer */
- char *pp, *cp; /* character pointers */
- char *lastsemi=(char *)NULL; /* pointer to last semi-colon in pathcomp */
- int quote = FALSE; /* flags */
- int error = 0;
- register unsigned workch; /* hold the character being tested */
- /*---------------------------------------------------------------------------
- Initialize various pointers and counters and stuff.
- ---------------------------------------------------------------------------*/
- if (G.pInfo->vollabel)
- return IZ_VOL_LABEL; /* can't set disk volume labels on Tandem */
- /* can create path as long as not just freshening, or if user told us */
- G.create_dirs = (!uO.fflag || renamed);
- created_dir = FALSE; /* not yet */
- /* user gave full pathname: don't prepend rootpath */
- renamed_fullpath = (renamed && (*G.filename == '/'));
- if (checkdir(__G__ (char *)NULL, INIT) == 10)
- return 10; /* initialize path buffer, unless no memory */
- /* TANDEM - call in2ex */
- pp = in2ex(G.filename);
- if (pp == (char *)NULL)
- return 10;
- strcpy(G.filename, pp);
- free(pp);
- *pathcomp = ' '; /* initialize translation buffer */
- pp = pathcomp; /* point to translation buffer */
- /* directories have already been junked in in2ex() */
- cp = G.filename; /* point to internal zipfile-member pathname */
- /*---------------------------------------------------------------------------
- Begin main loop through characters in filename.
- ---------------------------------------------------------------------------*/
- while ((workch = (uch)*cp++) != 0) {
- if (quote) { /* if character quoted, */
- *pp++ = (char)workch; /* include it literally */
- quote = FALSE;
- } else
- switch (workch) {
- case TANDEM_DELIMITER: /* can assume -j flag not given */
- *pp = ' ';
- if ((error = checkdir(__G__ pathcomp, APPEND_DIR)) > 1)
- return error;
- pp = pathcomp; /* reset conversion buffer for next piece */
- lastsemi = (char *)NULL; /* leave directory semi-colons alone */
- break;
- case ';': /* VMS version (or DEC-20 attrib?) */
- lastsemi = pp;
- *pp++ = ';'; /* keep for now; remove VMS ";##" */
- break; /* later, if requested */
- case ' 26': /* control-V quote for special chars */
- quote = TRUE; /* set flag for next character */
- break;
- case ' ': /* remove spaces for Tandem */
- break;
- default:
- /* allow European characters in filenames: */
- if (isprint(workch) || (128 <= workch && workch <= 254))
- *pp++ = (char)workch;
- } /* end switch */
- } /* end while loop */
- *pp = ' '; /* done with pathcomp: terminate it */
- /* if not saving them, remove VMS version numbers (appended ";###") */
- if (!uO.V_flag && lastsemi) {
- pp = lastsemi + 1;
- while (isdigit((uch)(*pp)))
- ++pp;
- if (*pp == ' ') /* only digits between ';' and end: nuke */
- *lastsemi = ' ';
- }
- /*---------------------------------------------------------------------------
- Report if directory was created (and no file to create: filename ended
- in '/'), check name to be sure it exists, and combine path and name be-
- fore exiting.
- ---------------------------------------------------------------------------*/
- if (G.filename[strlen(G.filename) - 1] == TANDEM_DELIMITER) {
- checkdir(__G__ G.filename, GETPATH);
- if (created_dir) {
- if (QCOND2) {
- Info(slide, 0, ((char *)slide, " creating: %sn",
- G.filename));
- }
- return IZ_CREATED_DIR; /* set dir time (note trailing '/') */
- }
- return 2; /* dir existed already; don't look for data to extract */
- }
- if (*pathcomp == ' ') {
- Info(slide, 1, ((char *)slide, "mapname: conversion of %s failedn",
- G.filename));
- return 3;
- }
- checkdir(__G__ pathcomp, APPEND_NAME); /* returns 1 if truncated: care? */
- checkdir(__G__ G.filename, GETPATH);
- return error;
- } /* end function mapname() */
- /***********************/
- /* Function checkdir() */
- /***********************/
- int checkdir(__G__ pathcomp, flag)
- __GDEF
- char *pathcomp;
- int flag;
- /*
- * returns: 1 - (on APPEND_NAME) truncated filename
- * 2 - path doesn't exist, not allowed to create
- * 3 - path doesn't exist, tried to create and failed; or
- * path exists and is not a directory, but is supposed to be
- * 4 - path is too long
- * 10 - can't allocate memory for filename buffers
- */
- {
- static int rootlen = 0; /* length of rootpath */
- static char *rootpath; /* user's "extract-to" directory */
- static char *buildpath; /* full path (so far) to extracted file */
- static char *end; /* pointer to end of buildpath (' ') */
- # define FN_MASK 7
- # define FUNCTION (flag & FN_MASK)
- /*---------------------------------------------------------------------------
- APPEND_DIR: append the path component to the path being built and check
- for its existence. If doesn't exist and we are creating directories, do
- so for this one; else signal success or error as appropriate.
- ---------------------------------------------------------------------------*/
- if (FUNCTION == APPEND_DIR) {
- int too_long = FALSE;
- #ifdef SHORT_NAMES
- char *old_end = end;
- #endif
- Trace((stderr, "appending dir segment [%s]n", pathcomp));
- while ((*end = *pathcomp++) != ' ')
- ++end;
- #ifdef SHORT_NAMES /* path components restricted to 14 chars, typically */
- if ((end-old_end) > FILENAME_MAX) /* GRR: proper constant? */
- *(end = old_end + FILENAME_MAX) = ' ';
- #endif
- /* GRR: could do better check, see if overrunning buffer as we go:
- * check end-buildpath after each append, set warning variable if
- * within 20 of FILNAMSIZ; then if var set, do careful check when
- * appending. Clear variable when begin new path. */
- if ((end-buildpath) > FILNAMSIZ-3) /* need '/', one-char name, ' ' */
- too_long = TRUE; /* check if extracting directory? */
- if (stat(buildpath, &G.statbuf)) { /* path doesn't exist */
- if (!G.create_dirs) { /* told not to create (freshening) */
- free(buildpath);
- return 2; /* path doesn't exist: nothing to do */
- }
- if (too_long) {
- Info(slide, 1, ((char *)slide,
- "checkdir error: path too long: %sn", buildpath));
- free(buildpath);
- return 4; /* no room for filenames: fatal */
- }
- if (mkdir(buildpath, 0777) == -1) { /* create the directory */
- Info(slide, 1, ((char *)slide,
- "checkdir error: cannot create %sn
- unable to process %s.n", buildpath, G.filename));
- free(buildpath);
- return 3; /* path didn't exist, tried to create, failed */
- }
- created_dir = TRUE;
- } else if (!S_ISDIR(G.statbuf.st_mode)) {
- Info(slide, 1, ((char *)slide,
- "checkdir error: %s exists but is not directoryn
- unable to process %s.n", buildpath, G.filename));
- free(buildpath);
- return 3; /* path existed but wasn't dir */
- }
- if (too_long) {
- Info(slide, 1, ((char *)slide,
- "checkdir error: path too long: %sn", buildpath));
- free(buildpath);
- return 4; /* no room for filenames: fatal */
- }
- *end++ = TANDEM_DELIMITER;
- *end = ' ';
- Trace((stderr, "buildpath now = [%s]n", buildpath));
- return 0;
- } /* end if (FUNCTION == APPEND_DIR) */
- /*---------------------------------------------------------------------------
- GETPATH: copy full path to the string pointed at by pathcomp, and free
- buildpath.
- ---------------------------------------------------------------------------*/
- if (FUNCTION == GETPATH) {
- strcpy(pathcomp, buildpath);
- Trace((stderr, "getting and freeing path [%s]n", pathcomp));
- free(buildpath);
- buildpath = end = (char *)NULL;
- return 0;
- }
- /*---------------------------------------------------------------------------
- APPEND_NAME: assume the path component is the filename; append it and
- return without checking for existence.
- ---------------------------------------------------------------------------*/
- if (FUNCTION == APPEND_NAME) {
- #ifdef SHORT_NAMES
- char *old_end = end;
- #endif
- Trace((stderr, "appending filename [%s]n", pathcomp));
- while ((*end = *pathcomp++) != ' ') {
- ++end;
- #ifdef SHORT_NAMES /* truncate name at 14 characters, typically */
- if ((end-old_end) > FILENAME_MAX) /* GRR: proper constant? */
- *(end = old_end + FILENAME_MAX) = ' ';
- #endif
- if ((end-buildpath) >= FILNAMSIZ) {
- *--end = ' ';
- Info(slide, 0x201, ((char *)slide,
- "checkdir warning: path too long; truncatingn
- %sn -> %sn", G.filename, buildpath));
- return 1; /* filename truncated */
- }
- }
- Trace((stderr, "buildpath now = [%s]n", buildpath));
- return 0; /* could check for existence here, prompt for new name... */
- }
- /*---------------------------------------------------------------------------
- INIT: allocate and initialize buffer space for the file currently being
- extracted. If file was renamed with an absolute path, don't prepend the
- extract-to path.
- ---------------------------------------------------------------------------*/
- /* GRR: for VMS and TOPS-20, add up to 13 to strlen */
- if (FUNCTION == INIT) {
- Trace((stderr, "initializing buildpath to "));
- if ((buildpath = (char *)malloc(strlen(G.filename)+rootlen+1)) ==
- (char *)NULL)
- return 10;
- if ((rootlen > 0) && !renamed_fullpath) {
- strcpy(buildpath, rootpath);
- end = buildpath + rootlen;
- } else {
- *buildpath = ' ';
- end = buildpath;
- }
- Trace((stderr, "[%s]n", buildpath));
- return 0;
- }
- /*---------------------------------------------------------------------------
- ROOT: if appropriate, store the path in rootpath and create it if neces-
- sary; else assume it's a zipfile member and return. This path segment
- gets used in extracting all members from every zipfile specified on the
- command line.
- ---------------------------------------------------------------------------*/
- #if (!defined(SFX) || defined(SFX_EXDIR))
- if (FUNCTION == ROOT) {
- Trace((stderr, "initializing root path to [%s]n", pathcomp));
- if (pathcomp == (char *)NULL) {
- rootlen = 0;
- return 0;
- }
- if ((rootlen = strlen(pathcomp)) > 0) {
- if (pathcomp[rootlen-1] == TANDEM_DELIMITER) {
- pathcomp[--rootlen] = ' ';
- }
- if (rootlen > 0 && (stat(pathcomp, &G.statbuf) ||
- !S_ISDIR(G.statbuf.st_mode))) /* path does not exist */
- {
- if (!G.create_dirs /* || iswild(pathcomp) */ ) {
- rootlen = 0;
- return 2; /* skip (or treat as stored file) */
- }
- /* create the directory (could add loop here to scan pathcomp
- * and create more than one level, but why really necessary?) */
- if (mkdir(pathcomp, 0777) == -1) {
- Info(slide, 1, ((char *)slide,
- "checkdir: cannot create extraction directory: %sn",
- pathcomp));
- rootlen = 0; /* path didn't exist, tried to create, and */
- return 3; /* failed: file exists, or 2+ levels required */
- }
- }
- if ((rootpath = (char *)malloc(rootlen+2)) == (char *)NULL) {
- rootlen = 0;
- return 10;
- }
- strcpy(rootpath, pathcomp);
- rootpath[rootlen++] = TANDEM_DELIMITER;
- rootpath[rootlen] = ' ';
- Trace((stderr, "rootpath now = [%s]n", rootpath));
- }
- return 0;
- }
- #endif /* !SFX || SFX_EXDIR */
- /*---------------------------------------------------------------------------
- END: free rootpath, immediately prior to program exit.
- ---------------------------------------------------------------------------*/
- if (FUNCTION == END) {
- Trace((stderr, "freeing rootpathn"));
- if (rootlen > 0) {
- free(rootpath);
- rootlen = 0;
- }
- return 0;
- }
- return 99; /* should never reach */
- } /* end function checkdir() */
- /********************/
- /* Function mkdir() */
- /********************/
- int mkdir(path, mode)
- const char *path; /* both */
- mode_t mode; /* ignored */
- /*
- * returns: 0 - successful
- * -1 - failed (errno not set, however)
- */
- {
- return 0;
- }
- /************************/
- /* Function version() */
- /************************/
- void version(__G)
- __GDEF
- {
- /* Pyramid, NeXT have problems with huge macro expansion, too: no Info() */
- sprintf((char *)slide, LoadFarString(CompiledWith),
- #ifdef __GNUC__
- "gcc ", __VERSION__,
- #else
- # ifdef __VERSION__
- "cc ", __VERSION__,
- # else
- "cc", "",
- # endif
- #endif
- "Unix",
- #ifdef TANDEM
- " (Tandem/NSK)",
- #else
- "",
- #endif /* TANDEM */
- #ifdef __DATE__
- " on ", __DATE__
- #else
- "", ""
- #endif
- );
- (*G.message)((zvoid *)&G, slide, (ulg)strlen((char *)slide), 0);
- } /* end function version() */
- /****************************/
- /* Function close_outfile() */
- /****************************/
- void close_outfile(__G) /* GRR: change to return PK-style warning level */
- __GDEF
- {
- iztimes zt;
- ush z_uidgid[2];
- unsigned eb_izux_flg;
- fclose(G.outfile);
- /*---------------------------------------------------------------------------
- Convert from MSDOS-format local time and date to Unix-format 32-bit GMT
- time: adjust base year from 1980 to 1970, do usual conversions from
- yy/mm/dd hh:mm:ss to elapsed seconds, and account for timezone and day-
- light savings time differences. If we have a Unix extra field, however,
- we're laughing: both mtime and atime are ours. On the other hand, we
- then have to check for restoration of UID/GID.
- ---------------------------------------------------------------------------*/
- eb_izux_flg = (G.extra_field ? ef_scan_for_izux(G.extra_field,
- G.lrec.extra_field_length, 0, G.lrec.last_mod_dos_datetime,
- #ifdef IZ_CHECK_TZ
- (G.tz_is_valid ? &zt : NULL),
- #else
- &zt,
- #endif
- z_uidgid) : 0);
- if (eb_izux_flg & EB_UT_FL_MTIME) {
- TTrace((stderr, "nclose_outfile: Unix e.f. modif. time = %ldn",
- zt.mtime));
- } else {
- zt.mtime = dos_to_unix_time(G.lrec.last_mod_dos_datetime);
- }
- if (eb_izux_flg & EB_UT_FL_ATIME) {
- TTrace((stderr, "close_outfile: Unix e.f. access time = %ldn",
- zt.atime));
- } else {
- zt.atime = zt.mtime;
- TTrace((stderr, "nclose_outfile: modification/access times = %ldn",
- zt.mtime));
- }
- /*---------------------------------------------------------------------------
- Change the file's last modified time to that stored in the zipfile.
- Not sure how (yet) or whether its a good idea to set the last open time
- ---------------------------------------------------------------------------*/
- if (utime(G.filename, (ztimbuf *)&zt))
- if (uO.qflag)
- Info(slide, 0x201, ((char *)slide,
- "warning: cannot set times for %sn", G.filename));
- else
- Info(slide, 0x201, ((char *)slide,
- " (warning) cannot set times"));
- /*---------------------------------------------------------------------------
- Change the file permissions from default ones to those stored in the
- zipfile.
- ---------------------------------------------------------------------------*/
- #ifndef NO_CHMOD
- if (chmod(G.filename, 0xffff & G.pInfo->file_attr))
- perror("chmod (file attributes) error");
- #endif
- /*---------------------------------------------------------------------------
- if -X option was specified and we have UID/GID info, restore it
- this must come after the file security and modtimes changes - since once
- we have secured the file to somebody else we cannot access it again.
- ---------------------------------------------------------------------------*/
- if (uO.X_flag && eb_izux_flg & EB_UX2_VALID) {
- TTrace((stderr, "close_outfile: restoring Unix UID/GID infon"));
- if (chown(G.filename, (uid_t)z_uidgid[0], (gid_t)z_uidgid[1]))
- {
- if (uO.qflag)
- Info(slide, 0x201, ((char *)slide,
- "warning: cannot set UID %d and/or GID %d for %sn",
- z_uidgid[0], z_uidgid[1], G.filename));
- else
- Info(slide, 0x201, ((char *)slide,
- " (warning) cannot set UID %d and/or GID %d",
- z_uidgid[0], z_uidgid[1]));
- }
- }
- } /* end function close_outfile() */
- /********************/ /* swiped from Zip: convert the zip file name to */
- /* Function in2ex() */ /* an external file name, returning the malloc'd */
- /********************/ /* string or NULL if not enough memory. */
- char *in2ex(n)
- char *n; /* internal file name */
- {
- char *x; /* external file name */
- char *t; /* pointer to internal */
- char *p; /* pointer to internal */
- char *e; /* pointer to internal */
- if ((x = malloc(strlen(n) + 4)) == NULL) /* + 4 for safety */
- return NULL;
- *x= ' ';
- /* Junk pathname as requested */
- if (uO.jflag && (t = strrchr(n, INTERNAL_DELIMITER)) != NULL)
- ++t;
- else
- t = n;
- while (*t != ' ') { /* File part could be sys, vol, subvol or file */
- if (*t == INTERNAL_DELIMITER) { /* System, Volume or Subvol Name */
- t++;
- if (*t == INTERNAL_DELIMITER) { /* System */
- strcat(x, TANDEM_NODE_STR);
- t++;
- } else
- strcat(x, TANDEM_DELIMITER_STR);
- }
- p = strchr(t, INTERNAL_DELIMITER);
- if (p == NULL)
- break;
- if ((e = strchr(t, DOS_EXTENSION)) == NULL)
- e = p;
- else
- e = (e < p ? e : p);
- #ifdef CLIP_MAXFNLEN_NSK
- strncat(x, t, _min(MAXFILEPARTLEN, (e - t)));
- #else
- strncat(x, t, (e - t));
- #endif
- t = p;
- }
- if ((e = strchr(t, DOS_EXTENSION)) == NULL)
- strcat(x, t);
- else {
- #ifdef CLIP_MAXFNLEN_NSK
- strncat(x, t, _min(MAXFILEPARTLEN, (e - t)));
- #else
- strncat(x, t, (e - t));
- #endif
- strcat(x, TANDEM_EXTENSION_STR);
- strcat(x, e+1);
- }
- return x;
- }