forked from KolibriOS/kolibrios
1207 lines
41 KiB
C
1207 lines
41 KiB
C
/*
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Copyright (c) 1990-2005 Info-ZIP. All rights reserved.
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See the accompanying file LICENSE, version 2000-Apr-09 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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/*---------------------------------------------------------------------------
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theos.c
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Theos-specific routines for use with Info-ZIP's UnZip 5.41 and later.
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Contains: do_wild() <-- generic enough to put in fileio.c?
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mapattr()
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mapname()
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checkdir()
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close_outfile()
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defer_dir_attribs()
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set_direc_attribs()
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stamp_file()
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version()
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---------------------------------------------------------------------------*/
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#define UNZIP_INTERNAL
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#include "unzip.h"
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#include <direct.h>
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#include <sc.h>
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#include <fdb.h>
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#include <nuc.h>
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#include <peek.h>
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/* standard function doesn't work with a trailing / */
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#define opendir(a) _opendir(a)
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extern DIR* _opendir(const char* dirpath);
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#ifdef SET_DIR_ATTRIB
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typedef struct uxdirattr { /* struct for holding unix style directory */
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struct uxdirattr *next; /* info until can be sorted and set at end */
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char *fn; /* filename of directory */
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union {
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iztimes t3; /* mtime, atime, ctime */
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ztimbuf t2; /* modtime, actime */
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} u;
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unsigned perms; /* same as min_info.file_attr */
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char fnbuf[1]; /* buffer stub for directory name */
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} uxdirattr;
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#define UxAtt(d) ((uxdirattr *)d) /* typecast shortcut */
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#endif /* SET_DIR_ATTRIB */
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#ifdef ACORN_FTYPE_NFS
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/* Acorn bits for NFS filetyping */
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typedef struct {
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uch ID[2];
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uch size[2];
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uch ID_2[4];
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uch loadaddr[4];
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uch execaddr[4];
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uch attr[4];
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} RO_extra_block;
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#endif /* ACORN_FTYPE_NFS */
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static int created_dir; /* used in mapname(), checkdir() */
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static int renamed_fullpath; /* ditto */
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#define _FDB_SHARED_EXECUTE_PROTECT _FDB_MODIFIED
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uch _um2tm_(ush mask);
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int chmodv2_3(const char *fname, short mask)
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{
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return _filechange(fname,'p',(size_t) _um2tm_(mask)|0x80);
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}
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int chlen(char *fname, unsigned short reclen, unsigned short keylen)
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{
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size_t a = reclen + ((size_t) keylen << 16);
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return _filechange(fname,'ma',(size_t) &a);
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}
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#define chgrow(a,b) ((int) _filechange(a,'g',(size_t)(b)))
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#define chorg(a,b) ((int) _filechange(a,'m',(size_t)(b)))
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#ifndef SFX
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/*************************/
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/* Function dateformat() */
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/*************************/
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int dateformat()
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{
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/*---------------------------------------------------------------------------
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For those operating systems that support it, this function returns a
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value that tells how national convention says that numeric dates are
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displayed. Return values are DF_YMD, DF_DMY and DF_MDY (the meanings
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should be fairly obvious).
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---------------------------------------------------------------------------*/
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switch (peeknuc(&NUC->dateopt) & (aform|eform|iform)) {
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case aform: return DF_MDY;
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case eform: return DF_DMY;
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}
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return DF_YMD;
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}
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/* usual THEOS match function for filenames */
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/* match from Phase One Systems */
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/* Returns non-zero if string matches the literal mask */
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int match(string, pattern, ignore_case __WDL)
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ZCONST char *string;
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ZCONST char *pattern;
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int ignore_case; /* unused in this variant of match()! */
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__WDLDEF
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{
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int matched, k;
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if (!(*pattern))
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return 1;
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for(;;) {
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if ( (!(*string)) && (!(*pattern)) )
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return(1);
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else if ( !(*pattern) )
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return(0);
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else if (*pattern == '*') {
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if (!*(pattern+1))
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return(1);
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k=0;
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do {
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matched = match(string+k, pattern+1, ignore_case __WDL);
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k++;
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} while ( (!matched) && *(string+k));
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return(matched);
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} else if (*pattern == '@') {
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if (!((*string >= 'a' && *string <= 'z')
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||(*string >= 'A' && *string <= 'Z')))
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return(0);
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} else if (*pattern == '#') {
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if (*string < '0' || *string > '9')
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return(0);
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} else if (*pattern != '?') {
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if (toupper(*string) != toupper(*pattern))
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return(0);
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}
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string++; pattern++;
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}
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} /* end function match() */
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/**********************/
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/* Function do_wild() */ /* for porting: dir separator; match(ignore_case) */
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/**********************/
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char *do_wild(__G__ wildspec)
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__GDEF
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ZCONST char *wildspec; /* only used first time on a given dir */
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{
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static DIR *wild_dir = (DIR *)NULL;
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static ZCONST char *wildname;
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static char *dirname, matchname[FILNAMSIZ];
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static int notfirstcall=FALSE, have_dirname, dirnamelen;
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struct dirent *file;
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/* Even when we're just returning wildspec, we *always* do so in
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* matchname[]--calling routine is allowed to append four characters
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* to the returned string, and wildspec may be a pointer to argv[].
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*/
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if (!notfirstcall) { /* first call: must initialize everything */
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notfirstcall = TRUE;
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if (!iswild(wildspec)) {
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strcpy(matchname, wildspec);
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have_dirname = FALSE;
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wild_dir = NULL;
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return matchname;
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}
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/* break the wildspec into a directory part and a wildcard filename */
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if ((wildname = (ZCONST char *)strrchr(wildspec, '/')) ==
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(ZCONST char *)NULL)
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{
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dirname = ".";
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dirnamelen = 1;
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have_dirname = FALSE;
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wildname = wildspec;
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} else {
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++wildname; /* point at character after '/' */
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dirnamelen = wildname - wildspec;
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if ((dirname = (char *)malloc(dirnamelen+1)) == (char *)NULL) {
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Info(slide, 0x201, ((char *)slide,
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"warning: cannot allocate wildcard buffers\n"));
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strncpy(matchname, wildspec, FILNAMSIZ);
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matchname[FILNAMSIZ-1] = '\0';
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return matchname; /* but maybe filespec was not a wildcard */
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}
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strncpy(dirname, wildspec, dirnamelen);
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dirname[dirnamelen] = '\0'; /* terminate for strcpy below */
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have_dirname = TRUE;
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}
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if ((wild_dir = opendir(dirname)) != (DIR *)NULL) {
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while ((file = readdir(wild_dir)) != (struct dirent *)NULL) {
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Trace((stderr, "do_wild: readdir returns %s\n",
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FnFilter1(file->d_name)));
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if (match(file->d_name, wildname, 1 WISEP)) { /*1=ignore case*/
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Trace((stderr, "do_wild: match() succeeds\n"));
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if (have_dirname) {
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strcpy(matchname, dirname);
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strcpy(matchname+dirnamelen, file->d_name);
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} else
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strcpy(matchname, file->d_name);
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return matchname;
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}
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}
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/* if we get to here directory is exhausted, so close it */
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closedir(wild_dir);
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wild_dir = (DIR *)NULL;
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}
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/* return the raw wildspec in case that works (e.g., directory not
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* searchable, but filespec was not wild and file is readable) */
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strncpy(matchname, wildspec, FILNAMSIZ);
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matchname[FILNAMSIZ-1] = '\0';
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return matchname;
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}
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/* last time through, might have failed opendir but returned raw wildspec */
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if (wild_dir == (DIR *)NULL) {
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notfirstcall = FALSE; /* nothing left to try--reset for new wildspec */
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if (have_dirname)
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free(dirname);
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return (char *)NULL;
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}
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/* If we've gotten this far, we've read and matched at least one entry
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* successfully (in a previous call), so dirname has been copied into
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* matchname already.
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*/
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while ((file = readdir(wild_dir)) != (struct dirent *)NULL) {
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Trace((stderr, "do_wild: readdir returns %s\n",
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FnFilter1(file->d_name)));
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if (file->d_name[0] == '.' && wildname[0] != '.')
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continue; /* Unix: '*' and '?' do not match leading dot */
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if (match(file->d_name, wildname, 1 WISEP)) { /* 1 == ignore case */
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Trace((stderr, "do_wild: match() succeeds\n"));
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if (have_dirname) {
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/* strcpy(matchname, dirname); */
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strcpy(matchname+dirnamelen, file->d_name);
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} else
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strcpy(matchname, file->d_name);
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return matchname;
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}
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}
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closedir(wild_dir); /* have read at least one entry; nothing left */
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wild_dir = (DIR *)NULL;
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notfirstcall = FALSE; /* reset for new wildspec */
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if (have_dirname)
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free(dirname);
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return (char *)NULL;
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} /* end function do_wild() */
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#endif /* !SFX */
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/**********************/
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/* Function mapattr() */
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/**********************/
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int mapattr(__G)
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__GDEF
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{
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ulg tmp = G.crec.external_file_attributes;
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G.pInfo->file_attr = 0;
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/* initialized to 0 for check in "default" branch below... */
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switch (G.pInfo->hostnum) {
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case AMIGA_:
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tmp = (unsigned)(tmp>>17 & 7); /* Amiga RWE bits */
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G.pInfo->file_attr = (unsigned)(tmp<<6 | tmp<<3 | tmp);
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break;
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case UNIX_:
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case VMS_:
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case ACORN_:
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case ATARI_:
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case ATHEOS_:
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case BEOS_:
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case QDOS_:
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case TANDEM_:
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case THEOS_:
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G.pInfo->file_attr = (unsigned)(tmp >> 16);
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if (G.pInfo->file_attr != 0 || !G.extra_field) {
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return 0;
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} else {
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/* Some (non-Info-ZIP) implementations of Zip for Unix and
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* VMS (and probably others ??) leave 0 in the upper 16-bit
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* part of the external_file_attributes field. Instead, they
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* store file permission attributes in some extra field.
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* As a work-around, we search for the presence of one of
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* these extra fields and fall back to the MSDOS compatible
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* part of external_file_attributes if one of the known
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* e.f. types has been detected.
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* Later, we might implement extraction of the permission
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* bits from the VMS extra field. But for now, the work-around
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* should be sufficient to provide "readable" extracted files.
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* (For ASI Unix e.f., an experimental remap from the e.f.
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* mode value IS already provided!)
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*/
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ush ebID;
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unsigned ebLen;
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uch *ef = G.extra_field;
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unsigned ef_len = G.crec.extra_field_length;
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int r = FALSE;
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while (!r && ef_len >= EB_HEADSIZE) {
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ebID = makeword(ef);
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ebLen = (unsigned)makeword(ef+EB_LEN);
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if (ebLen > (ef_len - EB_HEADSIZE))
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/* discoverd some e.f. inconsistency! */
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break;
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switch (ebID) {
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case EF_ASIUNIX:
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if (ebLen >= (EB_ASI_MODE+2)) {
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G.pInfo->file_attr =
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(unsigned)makeword(ef+(EB_HEADSIZE+EB_ASI_MODE));
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/* force stop of loop: */
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ef_len = (ebLen + EB_HEADSIZE);
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break;
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}
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/* else: fall through! */
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case EF_PKVMS:
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/* "found nondecypherable e.f. with perm. attr" */
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r = TRUE;
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default:
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break;
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}
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ef_len -= (ebLen + EB_HEADSIZE);
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ef += (ebLen + EB_HEADSIZE);
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}
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if (!r)
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return 0;
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}
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/* fall through! */
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/* all remaining cases: expand MSDOS read-only bit into write perms */
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case FS_FAT_:
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/* PKWARE's PKZip for Unix marks entries as FS_FAT_, but stores the
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* Unix attributes in the upper 16 bits of the external attributes
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* field, just like Info-ZIP's Zip for Unix. We try to use that
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* value, after a check for consistency with the MSDOS attribute
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* bits (see below).
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*/
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G.pInfo->file_attr = (unsigned)(tmp >> 16);
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/* fall through! */
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case FS_HPFS_:
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case FS_NTFS_:
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case MAC_:
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case TOPS20_:
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default:
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/* Ensure that DOS subdir bit is set when the entry's name ends
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* in a '/'. Some third-party Zip programs fail to set the subdir
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* bit for directory entries.
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*/
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if ((tmp & 0x10) == 0) {
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extent fnlen = strlen(G.filename);
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if (fnlen > 0 && G.filename[fnlen-1] == '/')
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tmp |= 0x10;
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}
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/* read-only bit --> write perms; subdir bit --> dir exec bit */
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tmp = !(tmp & 1) << 1 | (tmp & 0x10) >> 4;
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if ((G.pInfo->file_attr & 0700) == (unsigned)(0400 | tmp<<6))
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/* keep previous G.pInfo->file_attr setting, when its "owner"
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* part appears to be consistent with DOS attribute flags!
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*/
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return 0;
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G.pInfo->file_attr = (unsigned)(0444 | tmp<<6 | tmp<<3 | tmp);
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break;
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} /* end switch (host-OS-created-by) */
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/* for originating systems with no concept of "group," "other," "system": */
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G.pInfo->file_attr &= ~tmp;
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return 0;
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} /* end function mapattr() */
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/* portabilibity functions to ensure access to port 2.0 and new ports */
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int isv2_3()
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{
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return G.extra_field[0] == 'T' && G.extra_field[1] == 'h';
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}
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int isv2_3lib()
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{
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return isv2_3() && S_ISLIB((G.pInfo->file_attr >> 8) & 0xFF);
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}
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int isv2_3dir()
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{
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return isv2_3() && S_ISDIR((G.pInfo->file_attr >> 8) & 0xFF);
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}
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#ifdef OLD_THEOS_EXTRA
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#define S_IFMT_ 0xf800 /* type of file */
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#define S_IFLIB_ 0x8000 /* library */
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#define S_IFDIR_ 0x4000 /* directory */
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#define S_ISLIB_(a) (((a) & 0xff) == _FDB_STAT_LIBRARY)
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#define S_ISDIR_(a) (((a) & 0xff) == _FDB_STAT_DIRECTORY)
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struct extra_block
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{
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ush signature;
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ush size;
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ush flags;
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ulg filesize;
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ush reclen;
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ush keylen;
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uch filegrow;
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uch reserved[3];
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};
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struct extra_block *v2_0extra()
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{
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return (struct extra_block *) G.extra_field;
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}
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int isv2_0()
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{
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return ((struct extra_block *) G.extra_field)->signature == 0x4854;
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}
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int isv2_0lib()
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{
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return isv2_0() && S_ISLIB_(G.pInfo->file_attr);
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}
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int isv2_0dir()
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{
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return isv2_0() && S_ISDIR_(G.pInfo->file_attr);
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}
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#define islib() (isv2_0lib() || isv2_3lib())
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#define isdir() (isv2_0dir() || isv2_3dir())
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#define chmodv2_0(a,b) ((int) _sc_168(a,'p',(size_t)(b)|0x80))
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#undef chmod
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#define chmod(a,b) (isv2_0() && chmodv2_0(a,b))||(isv2_3() && chmodv2_3(a,b))
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#else
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#define islib() isv2_3lib()
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#define isdir() isv2_3dir()
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#undef chmod
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#define chmod(a,b) chmodv2_0(a,b)
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#endif
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/************************/
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/* Function mapname() */
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/************************/
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int mapname(__G__ renamed)
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__GDEF
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int renamed;
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/*
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* returns:
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* MPN_OK - no problem detected
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* MPN_INF_TRUNC - caution (truncated filename)
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* MPN_INF_SKIP - info "skip entry" (dir doesn't exist)
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* MPN_ERR_SKIP - error -> skip entry
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* MPN_ERR_TOOLONG - error -> path is too long
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* MPN_NOMEM - error (memory allocation failed) -> skip entry
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* [also MPN_VOL_LABEL, MPN_CREATED_DIR]
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*/
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{
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char pathcomp[FILNAMSIZ]; /* path-component buffer */
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char *pp, *cp=(char *)NULL; /* character pointers */
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|
char *lastsemi=(char *)NULL; /* pointer to last semi-colon in pathcomp */
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#ifdef ACORN_FTYPE_NFS
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char *lastcomma=(char *)NULL; /* pointer to last comma in pathcomp */
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RO_extra_block *ef_spark; /* pointer Acorn FTYPE ef block */
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#endif
|
|
int killed_ddot = FALSE; /* is set when skipping "../" pathcomp */
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|
int error = MPN_OK;
|
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register unsigned workch; /* hold the character being tested */
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|
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|
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/*---------------------------------------------------------------------------
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Initialize various pointers and counters and stuff.
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|
---------------------------------------------------------------------------*/
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|
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if (G.pInfo->vollabel)
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return MPN_VOL_LABEL; /* can't set disk volume labels in Unix */
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|
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/* can create path as long as not just freshening, or if user told us */
|
|
G.create_dirs = (!uO.fflag || renamed);
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|
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created_dir = FALSE; /* not yet */
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|
|
/* user gave full pathname: don't prepend rootpath */
|
|
renamed_fullpath = (renamed && (*G.filename == '/'));
|
|
|
|
if (checkdir(__G__ (char *)NULL, INIT) == MPN_NOMEM)
|
|
return MPN_NOMEM; /* initialize path buffer, unless no memory */
|
|
|
|
*pathcomp = '\0'; /* initialize translation buffer */
|
|
pp = pathcomp; /* point to translation buffer */
|
|
if (uO.jflag) /* junking directories */
|
|
cp = (char *)strrchr(G.filename, '/');
|
|
if (cp == (char *)NULL) /* no '/' or not junking dirs */
|
|
cp = G.filename; /* point to internal zipfile-member pathname */
|
|
else
|
|
++cp; /* point to start of last component of path */
|
|
|
|
/*---------------------------------------------------------------------------
|
|
Begin main loop through characters in filename.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
while ((workch = (uch)*cp++) != 0) {
|
|
|
|
switch (workch) {
|
|
case '/': /* can assume -j flag not given */
|
|
*pp = '\0';
|
|
if (strcmp(pathcomp, ".") == 0) {
|
|
/* don't bother appending "./" to the path */
|
|
*pathcomp = '\0';
|
|
} else if (!uO.ddotflag && strcmp(pathcomp, "..") == 0) {
|
|
/* "../" dir traversal detected, skip over it */
|
|
*pathcomp = '\0';
|
|
killed_ddot = TRUE; /* set "show message" flag */
|
|
}
|
|
/* when path component is not empty, append it now */
|
|
if (*pathcomp != '\0' &&
|
|
((error = checkdir(__G__ pathcomp, APPEND_DIR))
|
|
& MPN_MASK) > MPN_INF_TRUNC)
|
|
return error;
|
|
pp = pathcomp; /* reset conversion buffer for next piece */
|
|
lastsemi = (char *)NULL; /* leave direct. semi-colons alone */
|
|
break;
|
|
|
|
#ifdef ACORN_FTYPE_NFS
|
|
case ',': /* NFS filetype extension */
|
|
lastcomma = pp;
|
|
*pp++ = ','; /* keep for now; may need to remove */
|
|
break; /* later, if requested */
|
|
#endif
|
|
|
|
default:
|
|
if (isfnsym(workch) || workch == '.')
|
|
*pp++ = (char)workch;
|
|
else
|
|
*pp++ = '_';
|
|
} /* end switch */
|
|
|
|
} /* end while loop */
|
|
|
|
/* Show warning when stripping insecure "parent dir" path components */
|
|
if (killed_ddot && QCOND2) {
|
|
Info(slide, 0, ((char *)slide,
|
|
"warning: skipped \"../\" path component(s) in %s\n",
|
|
FnFilter1(G.filename)));
|
|
if (!(error & ~MPN_MASK))
|
|
error = (error & MPN_MASK) | PK_WARN;
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
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] == '/') {
|
|
checkdir(__G__ G.filename, GETPATH);
|
|
if (islib() && G.filename[strlen(G.filename) - 1] == '/')
|
|
G.filename[strlen(G.filename) - 1] = '\0';
|
|
|
|
if (created_dir) {
|
|
if (QCOND2) {
|
|
Info(slide, 0, ((char *)slide, " creating: %s\n",
|
|
FnFilter1(G.filename)));
|
|
}
|
|
/* set dir time (note trailing '/') */
|
|
return (error & ~MPN_MASK) | MPN_CREATED_DIR;
|
|
}
|
|
/* dir existed already; don't look for data to extract */
|
|
return (error & ~MPN_MASK) | MPN_INF_SKIP;
|
|
}
|
|
|
|
*pp = '\0'; /* done with pathcomp: terminate it */
|
|
|
|
#ifdef ACORN_FTYPE_NFS
|
|
/* translate Acorn filetype information if asked to do so */
|
|
if (uO.acorn_nfs_ext &&
|
|
(ef_spark = (RO_extra_block *)
|
|
getRISCOSexfield(G.extra_field, G.lrec.extra_field_length))
|
|
!= (RO_extra_block *)NULL)
|
|
{
|
|
/* file *must* have a RISC OS extra field */
|
|
long ft = (long)makelong(ef_spark->loadaddr);
|
|
/*32-bit*/
|
|
if (lastcomma) {
|
|
pp = lastcomma + 1;
|
|
while (isxdigit((uch)(*pp))) ++pp;
|
|
if (pp == lastcomma+4 && *pp == '\0') *lastcomma='\0'; /* nuke */
|
|
}
|
|
if ((ft & 1<<31)==0) ft=0x000FFD00;
|
|
sprintf(pathcomp+strlen(pathcomp), ",%03x", (int)(ft>>8) & 0xFFF);
|
|
}
|
|
#endif /* ACORN_FTYPE_NFS */
|
|
|
|
if (*pathcomp == '\0') {
|
|
Info(slide, 1, ((char *)slide, "mapname: conversion of %s failed\n",
|
|
FnFilter1(G.filename)));
|
|
return (error & ~MPN_MASK) | MPN_ERR_SKIP;
|
|
}
|
|
|
|
checkdir(__G__ pathcomp, APPEND_NAME); /* returns 1 if truncated: care? */
|
|
checkdir(__G__ G.filename, GETPATH);
|
|
|
|
return error;
|
|
|
|
} /* end function mapname() */
|
|
|
|
|
|
|
|
|
|
#if 0 /*========== NOTES ==========*/
|
|
|
|
extract-to dir: a:path/
|
|
buildpath: path1/path2/ ... (NULL-terminated)
|
|
pathcomp: filename
|
|
|
|
mapname():
|
|
loop over chars in zipfile member name
|
|
checkdir(path component, COMPONENT | CREATEDIR) --> map as required?
|
|
(d:/tmp/unzip/) (disk:[tmp.unzip.)
|
|
(d:/tmp/unzip/jj/) (disk:[tmp.unzip.jj.)
|
|
(d:/tmp/unzip/jj/temp/) (disk:[tmp.unzip.jj.temp.)
|
|
finally add filename itself and check for existence? (could use with rename)
|
|
(d:/tmp/unzip/jj/temp/msg.outdir) (disk:[tmp.unzip.jj.temp]msg.outdir)
|
|
checkdir(name, GETPATH) --> copy path to name and free space
|
|
|
|
#endif /* 0 */
|
|
|
|
|
|
|
|
|
|
/***********************/
|
|
/* Function checkdir() */
|
|
/***********************/
|
|
|
|
int checkdir(__G__ pathcomp, flag)
|
|
__GDEF
|
|
char *pathcomp;
|
|
int flag;
|
|
/*
|
|
* returns:
|
|
* MPN_OK - no problem detected
|
|
* MPN_INF_TRUNC - (on APPEND_NAME) truncated filename
|
|
* MPN_INF_SKIP - path doesn't exist, not allowed to create
|
|
* MPN_ERR_SKIP - path doesn't exist, tried to create and failed; or path
|
|
* exists and is not a directory, but is supposed to be
|
|
* MPN_ERR_TOOLONG - path is too long
|
|
* MPN_NOMEM - can't allocate memory for filename buffers
|
|
*/
|
|
{
|
|
static int rootlen = 0; /* length of rootpath */
|
|
static char *rootpath; /* user's "extract-to" directory */
|
|
static char rootdisk[3]; /* user's "extract-to" disk */
|
|
static char *buildpath; /* full path (so far) to extracted file */
|
|
static char *end; /* pointer to end of buildpath ('\0') */
|
|
|
|
# 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", FnFilter1(pathcomp)));
|
|
while ((*end = *pathcomp++) != '\0')
|
|
++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) = '\0';
|
|
#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, '\0' */
|
|
too_long = TRUE; /* check if extracting directory? */
|
|
Trace((stderr, "appending disk segment [%s]\n", FnFilter1(rootdisk)));
|
|
strcat(buildpath, rootdisk);
|
|
if (stat(buildpath, &G.statbuf)) { /* path doesn't exist */
|
|
if (!G.create_dirs) { /* told not to create (freshening) */
|
|
free(buildpath);
|
|
return MPN_INF_SKIP; /* path doesn't exist: nothing to do */
|
|
}
|
|
if (too_long) {
|
|
Info(slide, 1, ((char *)slide,
|
|
"checkdir error: path too long: %s\n",
|
|
FnFilter1(buildpath)));
|
|
free(buildpath);
|
|
/* no room for filenames: fatal */
|
|
return MPN_ERR_TOOLONG;
|
|
}
|
|
if (islib()) {
|
|
ulg size;
|
|
#ifdef OLD_THEOS_EXTRA
|
|
if (isv2_0lib())
|
|
size = v2_0extra()->filesize;
|
|
else
|
|
#endif
|
|
{
|
|
size = (ulg) G.extra_field[5] |
|
|
((ulg) G.extra_field[6] << 8) |
|
|
((ulg) G.extra_field[7] << 16) |
|
|
((ulg) G.extra_field[8] << 24);
|
|
}
|
|
if (makelib(buildpath, size / 64)) {
|
|
Info(slide, 1, ((char*)slide,
|
|
"checkdir error: can't create library %s\n\
|
|
unable to process %s.\n",
|
|
FnFilter2(buildpath), FnFilter1(G.filename));
|
|
free(buildpath);
|
|
/* path didn't exist, tried to create, failed */
|
|
return MPN_ERR_SKIP;
|
|
}
|
|
} else if (mkdir(buildpath) == -1) { /* create the directory */
|
|
Info(slide, 1, ((char *)slide,
|
|
"checkdir error: cannot create %s\n\
|
|
unable to process %s.\n",
|
|
FnFilter2(buildpath), FnFilter1(G.filename));
|
|
free(buildpath);
|
|
/* path didn't exist, tried to create, failed */
|
|
return MPN_ERR_SKIP;
|
|
}
|
|
created_dir = TRUE;
|
|
} else if (!S_ISDIR(G.statbuf.st_mode) && isdir()) {
|
|
Info(slide, 1, ((char *)slide,
|
|
"checkdir error: %s exists but is not directory\n\
|
|
unable to process %s.\n",
|
|
FnFilter2(buildpath), FnFilter1(G.filename));
|
|
free(buildpath);
|
|
/* path existed but wasn't dir */
|
|
return MPN_ERR_SKIP;
|
|
} else if (!S_ISLIB(G.statbuf.st_mode) && islib()) {
|
|
Info(slide, 1, ((char *)slide,
|
|
"checkdir error: %s exists but is not library\n\
|
|
unable to process %s.\n",
|
|
FnFilter2(buildpath), FnFilter1(G.filename));
|
|
free(buildpath);
|
|
/* path existed but wasn't lib */
|
|
return MPN_ERR_SKIP;
|
|
}
|
|
if (too_long) {
|
|
Info(slide, 1, ((char *)slide,
|
|
"checkdir error: path too long: %s\n", FnFilter1(buildpath)));
|
|
free(buildpath);
|
|
/* no room for filenames: fatal */
|
|
return MPN_ERR_TOOLONG;
|
|
}
|
|
*end++ = '/';
|
|
*end = '\0';
|
|
Trace((stderr, "buildpath now = [%s]\n", FnFilter1(buildpath)));
|
|
return MPN_OK;
|
|
|
|
} /* 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",
|
|
FnFilter1(pathcomp)));
|
|
free(buildpath);
|
|
buildpath = end = (char *)NULL;
|
|
return MPN_OK;
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
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", FnFilter1(pathcomp)));
|
|
while ((*end = *pathcomp++) != '\0') {
|
|
++end;
|
|
#ifdef SHORT_NAMES /* truncate name at 14 characters, typically */
|
|
if ((end-old_end) > FILENAME_MAX) /* GRR: proper constant? */
|
|
*(end = old_end + FILENAME_MAX) = '\0';
|
|
#endif
|
|
if ((end-buildpath) >= FILNAMSIZ) {
|
|
*--end = '\0';
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"checkdir warning: path too long; truncating\n\
|
|
%s\n -> %s\n",
|
|
FnFilter1(G.filename), FnFilter2(buildpath)));
|
|
return MPN_INF_TRUNC; /* filename truncated */
|
|
}
|
|
}
|
|
strcat(buildpath, rootdisk);
|
|
Trace((stderr, "buildpath now = [%s]\n", FnFilter1(buildpath)));
|
|
/* could check for existence here, prompt for new name... */
|
|
return MPN_OK;
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
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 "));
|
|
#ifdef ACORN_FTYPE_NFS
|
|
if ((buildpath = (char *)malloc(strlen(G.filename)+rootlen+
|
|
(uO.acorn_nfs_ext ? 5 : 1)))
|
|
#else
|
|
if ((buildpath = (char *)malloc(strlen(G.filename)+rootlen+1))
|
|
#endif
|
|
== (char *)NULL)
|
|
return MPN_NOMEM;
|
|
if ((rootlen > 0) && !renamed_fullpath) {
|
|
strcpy(buildpath, rootpath);
|
|
end = buildpath + rootlen;
|
|
} else {
|
|
*buildpath = '\0';
|
|
end = buildpath;
|
|
}
|
|
Trace((stderr, "[%s]\n", FnFilter1(buildpath)));
|
|
return MPN_OK;
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
ROOT: if appropriate, store the path in rootpath and create it if
|
|
necessary; 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) {
|
|
if (pathcomp == (char *)NULL) {
|
|
rootlen = 0;
|
|
return MPN_OK;
|
|
}
|
|
if (rootlen > 0) /* rootpath was already set, nothing to do */
|
|
return MPN_OK;
|
|
if ((rootlen = strlen(pathcomp)) > 0) {
|
|
int prepend_slash = 0;
|
|
char *tmproot, *p;
|
|
|
|
if (*pathcomp == ':') {
|
|
preprend_slash = 1;
|
|
rootlen++;
|
|
}
|
|
if ((tmproot = (char *)malloc(rootlen+2)) == (char *)NULL) {
|
|
rootlen = 0;
|
|
return MPN_NOMEM;
|
|
}
|
|
if (prepend_slash)
|
|
strcpy(tmproot, "/");
|
|
else
|
|
*tmproot = '\0';
|
|
strcat(tmproot, pathcomp);
|
|
Trace((stderr, "initializing root path to [%s]\n",
|
|
FnFilter1(tmproot)));
|
|
if (tmproot[rootlen-1] == '/') {
|
|
tmproot[--rootlen] = '\0';
|
|
}
|
|
if (rootlen > 0 && (SSTAT(tmproot, &G.statbuf) ||
|
|
!S_ISDIR(G.statbuf.st_mode)))
|
|
{ /* path does not exist */
|
|
if (!G.create_dirs /* || iswild(tmproot) */ ) {
|
|
free(tmproot);
|
|
rootlen = 0;
|
|
/* skip (or treat as stored file) */
|
|
return MPN_INF_SKIP;
|
|
}
|
|
/* create the directory (could add loop here scanning tmproot
|
|
* to create more than one level, but why really necessary?) */
|
|
if (mkdir(tmproot) == -1) {
|
|
Info(slide, 1, ((char *)slide,
|
|
"checkdir: cannot create extraction directory: %s\n",
|
|
FnFilter1(tmproot)));
|
|
free(tmproot);
|
|
rootlen = 0;
|
|
/* path didn't exist, tried to create, and failed: */
|
|
/* file exists, or 2+ subdir levels required */
|
|
return MPN_ERR_SKIP;
|
|
}
|
|
}
|
|
/* split rootpath in path and disk */
|
|
if ((p = strchr(tmproot, ':')) != NULL) {
|
|
strncpy(rootdisk, p, 2);
|
|
rootdisk[2] = '\0';
|
|
*p = '\0';
|
|
rootlen = p - tmproot;
|
|
} else
|
|
rootdisk[0] = '\0';
|
|
if (rootpath[rootlen - 1] != '/') {
|
|
rootpath[rootlen++] = '/';
|
|
rootpath[rootlen] = '\0';
|
|
}
|
|
if ((rootpath = (char *)realloc(tmproot, rootlen+1)) == NULL) {
|
|
free(tmproot);
|
|
rootlen = 0;
|
|
return MPN_NOMEM;
|
|
}
|
|
Trace((stderr, "rootpath now = [%s], rootdisk now = [%s]\n",
|
|
FnFilter1(rootpath), FnFilter2(rootdisk)));
|
|
}
|
|
return MPN_OK;
|
|
}
|
|
#endif /* !SFX || SFX_EXDIR */
|
|
|
|
/*---------------------------------------------------------------------------
|
|
END: free rootpath, immediately prior to program exit.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
if (FUNCTION == END) {
|
|
Trace((stderr, "freeing rootpath\n"));
|
|
if (rootlen > 0) {
|
|
free(rootpath);
|
|
rootlen = 0;
|
|
}
|
|
return MPN_OK;
|
|
}
|
|
|
|
return MPN_INVALID; /* should never reach */
|
|
|
|
} /* end function checkdir() */
|
|
|
|
|
|
|
|
|
|
#ifdef MORE
|
|
|
|
/**************************/
|
|
/* Function screenlines() */
|
|
/**************************/
|
|
|
|
int screenlines()
|
|
{
|
|
return getpl(27) + 1;
|
|
}
|
|
|
|
#endif /* MORE */
|
|
|
|
|
|
|
|
|
|
|
|
#if (!defined(MTS) || defined(SET_DIR_ATTRIB))
|
|
static void get_extattribs OF((__GPRO__ iztimes *pzt));
|
|
|
|
static int get_extattribs(__G__ pzt)
|
|
__GDEF
|
|
iztimes *pzt;
|
|
{
|
|
/*---------------------------------------------------------------------------
|
|
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.
|
|
---------------------------------------------------------------------------*/
|
|
#ifdef USE_EF_UT_TIME
|
|
unsigned eb_izux_flg;
|
|
|
|
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 ? pzt : NULL),
|
|
#else
|
|
pzt,
|
|
#endif
|
|
z_uidgid) : 0);
|
|
if (eb_izux_flg & EB_UT_FL_MTIME) {
|
|
TTrace((stderr, "\nget_extattribs: Unix e.f. modif. time = %ld\n",
|
|
pzt->mtime));
|
|
} else {
|
|
pzt->mtime = dos_to_unix_time(G.lrec.last_mod_dos_datetime);
|
|
}
|
|
if (eb_izux_flg & EB_UT_FL_ATIME) {
|
|
TTrace((stderr, "get_extattribs: Unix e.f. access time = %ld\n",
|
|
pzt->atime));
|
|
} else {
|
|
pzt->atime = pzt->mtime;
|
|
TTrace((stderr, "\nget_extattribs: modification/access times = %ld\n",
|
|
pzt->mtime));
|
|
}
|
|
#else
|
|
pzt->mtime = dos_to_unix_time(G.lrec.last_mod_dos_datetime);
|
|
pzt->atime = pzt->mtime;
|
|
#endif
|
|
}
|
|
#endif /* !MTS || SET_DIR_ATTRIB */
|
|
|
|
|
|
|
|
#ifndef MTS
|
|
|
|
/****************************/
|
|
/* Function close_outfile() */
|
|
/****************************/
|
|
|
|
void close_outfile(__G) /* GRR: change to return PK-style warning level */
|
|
__GDEF
|
|
{
|
|
union {
|
|
iztimes t3; /* mtime, atime, ctime */
|
|
ztimbuf t2; /* modtime, actime */
|
|
} zt;
|
|
|
|
/*---------------------------------------------------------------------------
|
|
If symbolic links are supported, allocate a storage area, put the uncom-
|
|
pressed "data" in it, and create the link. Since we know it's a symbolic
|
|
link to start with, we shouldn't have to worry about overflowing unsigned
|
|
ints with unsigned longs.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
fclose(G.outfile);
|
|
|
|
get_extattribs(__G__ &(zt.t3));
|
|
|
|
/* set the file's access and modification times */
|
|
if (utime(G.filename, &(zt.t2))) {
|
|
if (uO.qflag)
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"warning: cannot set times for %s\n", FnFilter1(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.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
if (chmod(G.filename, 0xffff & G.pInfo->file_attr))
|
|
perror("chmod (file attributes) error");
|
|
|
|
/*---------------------------------------------------------------------------
|
|
Change the file structure and set native .
|
|
---------------------------------------------------------------------------*/
|
|
|
|
if (isv2_3()) {
|
|
chorg(G.filename, G.extra_field[9]);
|
|
chlen(G.filename,
|
|
(ush) G.extra_field[10] | ((ush) G.extra_field[11] << 8),
|
|
(ush) G.extra_field[12] | ((ush) G.extra_field[13] << 8));
|
|
chgrow(G.filename, G.extra_field[14]);
|
|
}
|
|
#if OLD_THEOS_EXTRA
|
|
else if (isv2_0()) {
|
|
chorg(G.filename, G.pInfo->file_attr & 0xFF);
|
|
chlen(G.filename, v2_0extra()->reclen, v2_0extra()->keylen);
|
|
chgrow(G.filename, v2_0extra()->filegrow);
|
|
}
|
|
#endif
|
|
} /* end function close_outfile() */
|
|
|
|
#endif /* !MTS */
|
|
|
|
|
|
|
|
|
|
#ifdef SET_DIR_ATTRIB
|
|
/* messages of code for setting directory attributes */
|
|
static ZCONST char Far DirlistUidGidFailed[] =
|
|
"warning: cannot set UID %d and/or GID %d for %s\n";
|
|
static ZCONST char Far DirlistUtimeFailed[] =
|
|
"warning: cannot set modification, access times for %s\n";
|
|
# ifndef NO_CHMOD
|
|
static ZCONST char Far DirlistChmodFailed[] =
|
|
"warning: cannot set permissions for %s\n";
|
|
# endif
|
|
|
|
|
|
int defer_dir_attribs(__G__ pd)
|
|
__GDEF
|
|
direntry **pd;
|
|
{
|
|
uxdirattr *d_entry;
|
|
|
|
d_entry = (uxdirattr *)malloc(sizeof(uxdirattr) + strlen(G.filename));
|
|
*pd = (direntry *)d_entry;
|
|
if (d_entry == (uxdirattr *)NULL) {
|
|
return PK_MEM;
|
|
}
|
|
d_entry->fn = d_entry->fnbuf;
|
|
strcpy(d_entry->fn, G.filename);
|
|
|
|
d_entry->perms = G.pInfo->file_attr;
|
|
|
|
get_extattribs(__G__ &(d_entry->u.t3));
|
|
return PK_OK;
|
|
} /* end function defer_dir_attribs() */
|
|
|
|
|
|
int set_direc_attribs(__G__ d)
|
|
__GDEF
|
|
direntry *d;
|
|
{
|
|
int errval = PK_OK;
|
|
|
|
if (utime(d->fn, &UxAtt(d)->u.t2)) {
|
|
Info(slide, 0x201, ((char *)slide,
|
|
LoadFarString(DirlistUtimeFailed), FnFilter1(d->fn)));
|
|
if (!errval)
|
|
errval = PK_WARN;
|
|
}
|
|
if (chmod(d->fn, 0xffff & UxAtt(d)->perms)) {
|
|
Info(slide, 0x201, ((char *)slide,
|
|
LoadFarString(DirlistChmodFailed), FnFilter1(d->fn)));
|
|
/* perror("chmod (file attributes) error"); */
|
|
if (!errval)
|
|
errval = PK_WARN;
|
|
}
|
|
return errval;
|
|
} /* end function set_direc_attribs() */
|
|
|
|
#endif /* SET_DIR_ATTRIB */
|
|
|
|
|
|
|
|
|
|
#ifdef TIMESTAMP
|
|
|
|
/***************************/
|
|
/* Function stamp_file() */
|
|
/***************************/
|
|
|
|
int stamp_file(fname, modtime)
|
|
ZCONST char *fname;
|
|
time_t modtime;
|
|
{
|
|
ztimbuf tp;
|
|
|
|
tp.modtime = tp.actime = modtime;
|
|
return (utime(fname, &tp));
|
|
|
|
} /* end function stamp_file() */
|
|
|
|
#endif /* TIMESTAMP */
|
|
|
|
|
|
|
|
|
|
#ifndef SFX
|
|
|
|
/************************/
|
|
/* Function version() */
|
|
/************************/
|
|
|
|
void version(__G)
|
|
__GDEF
|
|
{
|
|
char buf1[40];
|
|
extern char Far CompiledWith[];
|
|
|
|
sprintf(slide, CompiledWith,
|
|
"THEOS C ","5.28", "THEOS ", "4.x", " on ", __DATE__);
|
|
(*G.message)((zvoid *)&G, slide, (ulg)strlen((char *)slide), 0);
|
|
|
|
} /* end function version() */
|
|
|
|
#endif /* !SFX */
|