937 lines
35 KiB
C
937 lines
35 KiB
C
/*
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Copyright (c) 1990-2007 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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flexos.c
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FlexOS-specific routines for use with Info-ZIP's UnZip 5.2 and later.
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Based upon the MSDOS version of this file (msdos/msdos.c)
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Contains: do_wild()
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mapattr()
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mapname()
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map2fat()
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checkdir()
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close_outfile()
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dateformat()
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version()
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_wildarg()
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---------------------------------------------------------------------------*/
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#define UNZIP_INTERNAL
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#include "unzip.h"
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#include <flexif.h>
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/* The following should really be a static declaration, but the compiler
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complains (crappy compiler can't cope with a static forward declaration).
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*/
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extern void map2fat OF((char *pathcomp, char *last_dot));
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static int created_dir; /* used by mapname(), checkdir() */
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static int renamed_fullpath; /* ditto */
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/*****************************/
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/* Strings used in flexos.c */
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/*****************************/
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#ifndef SFX
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static ZCONST char Far CantAllocateWildcard[] =
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"warning: cannot allocate wildcard buffers\n";
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#endif
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static ZCONST char Far WarnDirTraversSkip[] =
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"warning: skipped \"../\" path component(s) in %s\n";
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static ZCONST char Far Creating[] = " creating: %s\n";
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static ZCONST char Far ConversionFailed[] =
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"mapname: conversion of %s failed\n";
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static ZCONST char Far PathTooLong[] = "checkdir error: path too long: %s\n";
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static ZCONST char Far CantCreateDir[] = "checkdir error: cannot create %s\n\
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unable to process %s.\n";
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static ZCONST char Far DirIsntDirectory[] =
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"checkdir error: %s exists but is not directory\n\
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unable to process %s.\n";
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static ZCONST char Far PathTooLongTrunc[] =
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"checkdir warning: path too long; truncating\n %s\n\
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-> %s\n";
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#if (!defined(SFX) || defined(SFX_EXDIR))
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static ZCONST char Far CantCreateExtractDir[] =
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"checkdir: cannot create extraction directory: %s\n";
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#endif
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#include <dirent.h>
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#ifndef SFX
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/************************/
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/* Function do_wild() */ /* identical to OS/2 version */
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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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char *fnamestart;
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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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strncpy(matchname, wildspec, FILNAMSIZ);
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matchname[FILNAMSIZ-1] = '\0';
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have_dirname = FALSE;
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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 = strrchr(wildspec, '/')) == (ZCONST char *)NULL &&
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(wildname = strrchr(wildspec, ':')) == (ZCONST char *)NULL) {
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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 '/' or ':' */
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dirnamelen = (int)(wildname - wildspec);
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if ((dirname = (char *)malloc(dirnamelen+1)) == (char *)NULL) {
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Info(slide, 1, ((char *)slide,
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LoadFarString(CantAllocateWildcard)));
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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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/* GRR: cannot strip trailing char for opendir since might be "d:/" or "d:"
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* (would have to check for "./" at end--let opendir handle it instead) */
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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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Trace((stderr, "do_wild: dirname = [%s]\n", FnFilter1(dirname)));
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if ((wild_dir = opendir(dirname)) != (DIR *)NULL) {
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if (have_dirname) {
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strcpy(matchname, dirname);
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fnamestart = matchname + dirnamelen;
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} else
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fnamestart = matchname;
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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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strcpy(fnamestart, file->d_name);
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if (strrchr(fnamestart, '.') == (char *)NULL)
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strcat(fnamestart, ".");
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if (match(fnamestart, wildname, 1 WISEP) && /* 1=ignore case */
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/* skip "." and ".." directory entries */
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strcmp(fnamestart, ".") && strcmp(fnamestart, "..")) {
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Trace((stderr, "do_wild: match() succeeds\n"));
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/* remove trailing dot */
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fnamestart += strlen(fnamestart) - 1;
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if (*fnamestart == '.')
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*fnamestart = '\0';
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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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#ifdef DEBUG
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else {
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Trace((stderr, "do_wild: opendir(%s) returns NULL\n",
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FnFilter1(dirname)));
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}
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#endif /* DEBUG */
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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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if (have_dirname) {
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/* strcpy(matchname, dirname); */
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fnamestart = matchname + dirnamelen;
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} else
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fnamestart = matchname;
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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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strcpy(fnamestart, file->d_name);
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if (strrchr(fnamestart, '.') == (char *)NULL)
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strcat(fnamestart, ".");
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if (match(fnamestart, wildname, 1 WISEP)) { /* 1 == ignore case */
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Trace((stderr, "do_wild: match() succeeds\n"));
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/* remove trailing dot */
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fnamestart += strlen(fnamestart) - 1;
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if (*fnamestart == '.')
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*fnamestart = '\0';
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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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/* set archive bit (file is not backed up): */
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G.pInfo->file_attr = (unsigned)(G.crec.external_file_attributes & 7) | 32;
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return 0;
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}
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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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char *last_dot=(char *)NULL; /* last dot not converted to underscore */
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int dotname = FALSE; /* path component begins with dot? */
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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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if (G.pInfo->vollabel)
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return MPN_VOL_LABEL; /* Cannot set disk volume labels in FlexOS */
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/*---------------------------------------------------------------------------
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Initialize various pointers and counters and stuff.
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---------------------------------------------------------------------------*/
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/* can create path as long as not just freshening, or if user told us */
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G.create_dirs = (!uO.fflag || renamed);
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created_dir = FALSE; /* not yet */
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renamed_fullpath = FALSE;
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if (renamed) {
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cp = G.filename - 1; /* point to beginning of renamed name... */
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while (*++cp)
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if (*cp == '\\') /* convert backslashes to forward */
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*cp = '/';
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cp = G.filename;
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/* use temporary rootpath if user gave full pathname */
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if (G.filename[0] == '/') {
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renamed_fullpath = TRUE;
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pathcomp[0] = '/'; /* copy the '/' and terminate */
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pathcomp[1] = '\0';
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++cp;
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} else if (isalpha((uch)G.filename[0]) && G.filename[1] == ':') {
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renamed_fullpath = TRUE;
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pp = pathcomp;
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*pp++ = *cp++; /* copy the "d:" (+ '/', possibly) */
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*pp++ = *cp++;
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if (*cp == '/')
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*pp++ = *cp++; /* otherwise add "./"? */
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*pp = '\0';
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}
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}
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/* pathcomp is ignored unless renamed_fullpath is TRUE: */
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if ((error = checkdir(__G__ pathcomp, INIT)) != 0) /* initialize path buf */
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return error; /* ...unless no mem or vol label on hard disk */
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*pathcomp = '\0'; /* initialize translation buffer */
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pp = pathcomp; /* point to translation buffer */
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if (!renamed) { /* cp already set if renamed */
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if (uO.jflag) /* junking directories */
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cp = (char *)strrchr(G.filename, '/');
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if (cp == (char *)NULL) /* no '/' or not junking dirs */
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cp = G.filename; /* point to internal zipfile-member pathname */
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else
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++cp; /* point to start of last component of path */
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}
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/*---------------------------------------------------------------------------
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Begin main loop through characters in filename.
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---------------------------------------------------------------------------*/
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while ((workch = (uch)*cp++) != 0) {
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switch (workch) {
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case '/': /* can assume -j flag not given */
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*pp = '\0';
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map2fat(pathcomp, last_dot); /* 8.3 truncation (in place) */
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last_dot = (char *)NULL;
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if (strcmp(pathcomp, ".") == 0) {
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/* don't bother appending "./" to the path */
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*pathcomp = '\0';
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} else if (!uO.ddotflag && strcmp(pathcomp, "..") == 0) {
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/* "../" dir traversal detected, skip over it */
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*pathcomp = '\0';
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killed_ddot = TRUE; /* set "show message" flag */
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}
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/* when path component is not empty, append it now */
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if (*pathcomp != '\0' &&
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((error = checkdir(__G__ pathcomp, APPEND_DIR))
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& MPN_MASK) > MPN_INF_TRUNC)
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return error;
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pp = pathcomp; /* reset conversion buffer for next piece */
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lastsemi = (char *)NULL; /* leave direct. semi-colons alone */
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break;
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case '.':
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if (pp == pathcomp) { /* nothing appended yet... */
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if (*cp == '.' && cp[1] == '/') { /* "../" */
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*pp++ = '.'; /* add first dot, unchanged... */
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++cp; /* skip second dot, since it will */
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} else { /* be "added" at end of if-block */
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*pp++ = '_'; /* FAT doesn't allow null filename */
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dotname = TRUE; /* bodies, so map .exrc -> _.exrc */
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} /* (extra '_' now, "dot" below) */
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} else if (dotname) { /* found a second dot, but still */
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dotname = FALSE; /* have extra leading underscore: */
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*pp = '\0'; /* remove it by shifting chars */
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pp = pathcomp + 1; /* left one space (e.g., .p1.p2: */
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while (pp[1]) { /* __p1 -> _p1_p2 -> _p1.p2 when */
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*pp = pp[1]; /* finished) [opt.: since first */
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++pp; /* two chars are same, can start */
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} /* shifting at second position] */
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}
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last_dot = pp; /* point at last dot so far... */
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*pp++ = '_'; /* convert dot to underscore for now */
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break;
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/* drive names are not stored in zipfile, so no colons allowed;
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* no brackets or most other punctuation either (all of which
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* can appear in Unix-created archives; backslash is particularly
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* bad unless all necessary directories exist) */
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case '[': /* these punctuation characters forbidden */
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case ']': /* only on plain FAT file systems */
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case '+':
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case ',':
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case '=':
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case ':': /* special shell characters of command.com */
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case '\\': /* (device and directory limiters, wildcard */
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case '"': /* characters, stdin/stdout redirection and */
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case '<': /* pipe indicators and the quote sign) are */
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case '>': /* never allowed in filenames on (V)FAT */
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case '|':
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case '*':
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case '?':
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*pp++ = '_';
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break;
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case ';': /* start of VMS version? */
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lastsemi = pp;
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break;
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case ' ': /* change spaces to underscores */
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if (uO.sflag) /* only if requested */
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*pp++ = '_';
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else
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*pp++ = (char)workch;
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break;
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default:
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/* allow ASCII 255 and European characters in filenames: */
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if (isprint(workch) || workch >= 127)
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*pp++ = (char)workch;
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} /* end switch */
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} /* end while loop */
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/* Show warning when stripping insecure "parent dir" path components */
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if (killed_ddot && QCOND2) {
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Info(slide, 0, ((char *)slide, LoadFarString(WarnDirTraversSkip),
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FnFilter1(G.filename)));
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if (!(error & ~MPN_MASK))
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error = (error & MPN_MASK) | PK_WARN;
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}
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/*---------------------------------------------------------------------------
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Report if directory was created (and no file to create: filename ended
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in '/'), check name to be sure it exists, and combine path and name be-
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fore exiting.
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---------------------------------------------------------------------------*/
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if (G.filename[strlen(G.filename) - 1] == '/') {
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checkdir(__G__ G.filename, GETPATH);
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if (created_dir) {
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if (QCOND2) {
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Info(slide, 0, ((char *)slide, LoadFarString(Creating),
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FnFilter1(G.filename)));
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}
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/* set dir time (note trailing '/') */
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return (error & ~MPN_MASK) | MPN_CREATED_DIR;
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}
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/* dir existed already; don't look for data to extract */
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return (error & ~MPN_MASK) | MPN_INF_SKIP;
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}
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*pp = '\0'; /* done with pathcomp: terminate it */
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/* if not saving them, remove VMS version numbers (appended ";###") */
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if (!uO.V_flag && lastsemi) {
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pp = lastsemi; /* semi-colon was omitted: expect all #'s */
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while (isdigit((uch)(*pp)))
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++pp;
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if (*pp == '\0') /* only digits between ';' and end: nuke */
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*lastsemi = '\0';
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}
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map2fat(pathcomp, last_dot); /* 8.3 truncation (in place) */
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if (*pathcomp == '\0') {
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Info(slide, 1, ((char *)slide, LoadFarString(ConversionFailed),
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FnFilter1(G.filename)));
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return (error & ~MPN_MASK) | MPN_ERR_SKIP;
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}
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checkdir(__G__ pathcomp, APPEND_NAME); /* returns 1 if truncated: care? */
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checkdir(__G__ G.filename, GETPATH);
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return error;
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} /* end function mapname() */
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/**********************/
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/* Function map2fat() */
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/**********************/
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static void map2fat(pathcomp, last_dot)
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char *pathcomp, *last_dot;
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{
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char *pEnd = pathcomp + strlen(pathcomp);
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/*---------------------------------------------------------------------------
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Case 1: filename has no dot, so figure out if we should add one. Note
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that the algorithm does not try to get too fancy: if there are no dots
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already, the name either gets truncated at 8 characters or the last un-
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derscore is converted to a dot (only if more characters are saved that
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way). In no case is a dot inserted between existing characters.
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GRR: have problem if filename is volume label??
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---------------------------------------------------------------------------*/
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/* pEnd = pathcomp + strlen(pathcomp); */
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if (last_dot == (char *)NULL) { /* no dots: check for underscores... */
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char *plu = strrchr(pathcomp, '_'); /* pointer to last underscore */
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if (plu == (char *)NULL) { /* no dots, no underscores: truncate at */
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if (pEnd > pathcomp+8) /* 8 chars (could insert '.' and keep 11) */
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*(pEnd = pathcomp+8) = '\0';
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} else if (MIN(plu - pathcomp, 8) + MIN(pEnd - plu - 1, 3) > 8) {
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last_dot = plu; /* be lazy: drop through to next if-block */
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} else if ((pEnd - pathcomp) > 8) /* more fits into just basename */
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pathcomp[8] = '\0'; /* than if convert last underscore to dot */
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|
/* else whole thing fits into 8 chars or less: no change */
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
Case 2: filename has dot in it, so truncate first half at 8 chars (shift
|
|
extension if necessary) and second half at three.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
if (last_dot != (char *)NULL) { /* one dot (or two, in the case of */
|
|
*last_dot = '.'; /* "..") is OK: put it back in */
|
|
|
|
if ((last_dot - pathcomp) > 8) {
|
|
char *p=last_dot, *q=pathcomp+8;
|
|
int i;
|
|
|
|
for (i = 0; (i < 4) && *p; ++i) /* too many chars in basename: */
|
|
*q++ = *p++; /* shift extension left and */
|
|
*q = '\0'; /* truncate/terminate it */
|
|
} else if ((pEnd - last_dot) > 4)
|
|
last_dot[4] = '\0'; /* too many chars in extension */
|
|
/* else filename is fine as is: no change */
|
|
}
|
|
} /* end function map2fat() */
|
|
|
|
|
|
|
|
|
|
/***********************/
|
|
/* 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 *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;
|
|
|
|
Trace((stderr, "appending dir segment [%s]\n", FnFilter1(pathcomp)));
|
|
while ((*end = *pathcomp++) != '\0')
|
|
++end;
|
|
|
|
/* 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? */
|
|
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, LoadFarString(PathTooLong),
|
|
FnFilter1(buildpath)));
|
|
free(buildpath);
|
|
/* no room for filenames: fatal */
|
|
return MPN_ERR_TOOLONG;
|
|
}
|
|
if (mkdir(buildpath, 0777) == -1) { /* create the directory */
|
|
Info(slide, 1, ((char *)slide, LoadFarString(CantCreateDir),
|
|
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)) {
|
|
Info(slide, 1, ((char *)slide, LoadFarString(DirIsntDirectory),
|
|
FnFilter2(buildpath), FnFilter1(G.filename)));
|
|
free(buildpath);
|
|
/* path existed but wasn't dir */
|
|
return MPN_ERR_SKIP;
|
|
}
|
|
if (too_long) {
|
|
Info(slide, 1, ((char *)slide, LoadFarString(PathTooLong),
|
|
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) {
|
|
Trace((stderr, "appending filename [%s]\n", FnFilter1(pathcomp)));
|
|
while ((*end = *pathcomp++) != '\0') {
|
|
++end;
|
|
if ((end-buildpath) >= FILNAMSIZ) {
|
|
*--end = '\0';
|
|
Info(slide, 1, ((char *)slide, LoadFarString(PathTooLongTrunc),
|
|
FnFilter1(G.filename), FnFilter2(buildpath)));
|
|
return MPN_INF_TRUNC; /* filename truncated */
|
|
}
|
|
}
|
|
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.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
if (FUNCTION == INIT) {
|
|
Trace((stderr, "initializing buildpath to "));
|
|
/* allocate space for full filename, root path, and maybe "./" */
|
|
if ((buildpath = (char *)malloc(strlen(G.filename)+rootlen+3)) ==
|
|
(char *)NULL)
|
|
return MPN_NOMEM;
|
|
if (renamed_fullpath) { /* pathcomp = valid data */
|
|
end = buildpath;
|
|
while ((*end = *pathcomp++) != '\0')
|
|
++end;
|
|
} else if (rootlen > 0) {
|
|
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 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. Note that under FlexOS, if a candidate extract-to
|
|
directory specification includes a drive letter (leading "x:"), it is
|
|
treated just as if it had a trailing '/'--that is, one directory level
|
|
will be created if the path doesn't exist, unless this is otherwise pro-
|
|
hibited (e.g., freshening).
|
|
---------------------------------------------------------------------------*/
|
|
|
|
#if (!defined(SFX) || defined(SFX_EXDIR))
|
|
if (FUNCTION == ROOT) {
|
|
Trace((stderr, "initializing root path to [%s]\n",
|
|
FnFilter1(pathcomp)));
|
|
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 had_trailing_pathsep=FALSE, add_dot=FALSE;
|
|
char *tmproot;
|
|
|
|
if ((tmproot = (char *)malloc(rootlen+3)) == (char *)NULL) {
|
|
rootlen = 0;
|
|
return MPN_NOMEM;
|
|
}
|
|
strcpy(tmproot, pathcomp);
|
|
if (tmproot[rootlen-1] == '/' || tmproot[rootlen-1] == '\\') {
|
|
tmproot[--rootlen] = '\0';
|
|
had_trailing_pathsep = TRUE;
|
|
}
|
|
if (tmproot[rootlen-1] == ':') {
|
|
if (!had_trailing_pathsep) /* i.e., original wasn't "xxx:/" */
|
|
add_dot = TRUE; /* relative path: add '.' before '/' */
|
|
} else if (rootlen > 0) && /* need not check "xxx:." and "xxx:/" */
|
|
(SSTAT(tmproot, &G.statbuf) ||
|
|
!S_ISDIR(G.statbuf.st_mode))
|
|
{
|
|
/* path does not exist */
|
|
if (!G.create_dirs /* || iswild(tmproot) */ ) {
|
|
free(tmproot);
|
|
rootlen = 0;
|
|
/* treat as stored file */
|
|
return MPN_INF_SKIP;
|
|
}
|
|
/* GRR: scan for wildcard characters? OS-dependent...
|
|
* if find any, return MPN_INF_SKIP: treat as stored file(s) */
|
|
/* create directory (could add loop here scanning tmproot
|
|
* to create more than one level, but really necessary?) */
|
|
if (mkdir(tmproot, 0777) == -1) {
|
|
Info(slide, 1, ((char *)slide,
|
|
LoadFarString(CantCreateExtractDir),
|
|
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;
|
|
}
|
|
}
|
|
if (add_dot) /* had just "x:", make "x:." */
|
|
tmproot[rootlen++] = '.';
|
|
tmproot[rootlen++] = '/';
|
|
tmproot[rootlen] = '\0';
|
|
if ((rootpath = (char *)realloc(tmproot, rootlen+1)) == NULL) {
|
|
free(tmproot);
|
|
rootlen = 0;
|
|
return MPN_NOMEM;
|
|
}
|
|
Trace((stderr, "rootpath now = [%s]\n", FnFilter1(rootpath)));
|
|
}
|
|
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() */
|
|
|
|
|
|
|
|
|
|
/****************************/
|
|
/* Function close_outfile() */
|
|
/****************************/
|
|
|
|
void close_outfile(__G)
|
|
__GDEF
|
|
/*
|
|
* FlexOS VERSION
|
|
*
|
|
* Set the output file date/time stamp according to information from the
|
|
* zipfile directory record for this member, then close the file and set
|
|
* its permissions (archive, hidden, read-only, system). Aside from closing
|
|
* the file, this routine is optional (but most compilers support it).
|
|
*/
|
|
{
|
|
DISKFILE df;
|
|
LONG fnum;
|
|
|
|
struct { /* date and time words */
|
|
union { /* DOS file modification time word */
|
|
ush ztime;
|
|
struct {
|
|
unsigned zt_se : 5;
|
|
unsigned zt_mi : 6;
|
|
unsigned zt_hr : 5;
|
|
} _tf;
|
|
} _t;
|
|
union { /* DOS file modification date word */
|
|
ush zdate;
|
|
struct {
|
|
unsigned zd_dy : 5;
|
|
unsigned zd_mo : 4;
|
|
unsigned zd_yr : 7;
|
|
} _df;
|
|
} _d;
|
|
} zt;
|
|
|
|
#ifdef USE_EF_UT_TIME
|
|
iztimes z_utime;
|
|
struct tm *t;
|
|
#endif /* ?USE_EF_UT_TIME */
|
|
|
|
fclose(G.outfile);
|
|
|
|
if ((fnum = s_open(A_SET, G.filename)) < 0) {
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"warning: cannot open %s to set the time\n",
|
|
FnFilter1(G.filename)));
|
|
return;
|
|
}
|
|
|
|
if (s_get(T_FILE, fnum, &df, DSKFSIZE) < 0) {
|
|
s_close(0, fnum);
|
|
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"warning: cannot get info on %s\n", FnFilter1(G.filename)));
|
|
return;
|
|
}
|
|
|
|
/* skip restoring time stamps on user's request */
|
|
if (uO.D_flag <= 1) {
|
|
|
|
/*---------------------------------------------------------------------------
|
|
Copy and/or convert time and date variables, if necessary; then fill in
|
|
the file time/date.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
#ifdef USE_EF_UT_TIME
|
|
if (G.extra_field &&
|
|
#ifdef IZ_CHECK_TZ
|
|
G.tz_is_valid &&
|
|
#endif
|
|
(ef_scan_for_izux(G.extra_field, G.lrec.extra_field_length, 0,
|
|
G.lrec.last_mod_dos_datetime, &z_utime, NULL) & EB_UT_FL_MTIME))
|
|
{
|
|
TTrace((stderr, "close_outfile: Unix e.f. modif. time = %ld\n",
|
|
z_utime.mtime));
|
|
t = localtime(&(z_utime.mtime));
|
|
} else
|
|
t = (struct tm *)NULL;
|
|
if (t != (struct tm *)NULL) {
|
|
if (t->tm_year < 80) {
|
|
df.df_modyear = 1980;
|
|
df.df_modmonth = 1;
|
|
df.df_modday = 1;
|
|
df.df_modhr = 0;
|
|
df.df_modmin = 0;
|
|
df.df_modsec = 0;
|
|
} else {
|
|
df.df_modyear = t->tm_year + 1900;
|
|
df.df_modmonth = t->tm_mon + 1;
|
|
df.df_modday = t->tm_mday;
|
|
df.df_modhr = t->tm_hour;
|
|
df.df_modmin = t->tm_min;
|
|
df.df_modsec = t->tm_sec;
|
|
}
|
|
} else
|
|
#endif /* ?USE_EF_UX_TIME */
|
|
{
|
|
zt._t.ztime = (ush)(G.lrec.last_mod_dos_datetime) & 0xffff;
|
|
zt._d.zdate = (ush)(G.lrec.last_mod_dos_datetime >> 16);
|
|
|
|
df.df_modyear = 1980 + zt._d._df.zd_yr;
|
|
df.df_modmonth = zt._d._df.zd_mo;
|
|
df.df_modday = zt._d._df.zd_dy;
|
|
df.df_modhr = zt._t._tf.zt_hr;
|
|
df.df_modmin = zt._t._tf.zt_mi;
|
|
df.df_modsec = zt._t._tf.zt_se << 1;
|
|
}
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
Fill in the file attributes.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
df.df_attr1 = (UBYTE)G.pInfo->file_attr;
|
|
|
|
/*---------------------------------------------------------------------------
|
|
Now we try to set the attributes & date/time.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
if (s_set(T_FILE, fnum, &df, DSKFSIZE) < 0)
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"warning: cannot set info for %s\n", FnFilter1(G.filename)));
|
|
|
|
s_close(0, fnum);
|
|
} /* end function close_outfile() */
|
|
|
|
#ifndef SFX
|
|
|
|
/*************************/
|
|
/* Function dateformat() */
|
|
/*************************/
|
|
|
|
int dateformat()
|
|
{
|
|
return DF_DMY; /* default for systems without locale info */
|
|
}
|
|
|
|
/************************/
|
|
/* Function version() */
|
|
/************************/
|
|
|
|
void version(__G)
|
|
__GDEF
|
|
{
|
|
int len;
|
|
|
|
len = sprintf((char *)slide, LoadFarString(CompiledWith),
|
|
"MetaWare High C",
|
|
"",
|
|
"FlexOS",
|
|
" (16-bit, big)",
|
|
|
|
#ifdef __DATE__
|
|
" on ", __DATE__
|
|
#else
|
|
"", ""
|
|
#endif
|
|
);
|
|
|
|
(*G.message)((zvoid *)&G, slide, (ulg)len, 0);
|
|
}
|
|
|
|
#endif /* !SFX */
|
|
|
|
/************************/
|
|
/* Function _wildarg() */
|
|
/************************/
|
|
|
|
/* This prevents the PORTLIB startup code from preforming argument globbing */
|
|
|
|
_wildarg() {}
|